# HG changeset patch
# User Thierry Florac <thierry.florac@onf.fr>
# Date 1519124187 -3600
# Node ID 9e3db98ce306c176b8275681c6e611c008aa4e65
# Parent  2dd8dcd46738ac513b1113788b7e51c9ad3cba68
Migrate to release 3.5.4 of Select2 plug-in

diff -r 2dd8dcd46738 -r 9e3db98ce306 src/pyams_skin/resources/js/ext/jquery-select2-3.5.2.js
--- a/src/pyams_skin/resources/js/ext/jquery-select2-3.5.2.js	Fri Feb 09 15:05:12 2018 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,3541 +0,0 @@
-/*
-Copyright 2012 Igor Vaynberg
-
-Version: 3.5.2 Timestamp: Sat Nov  1 14:43:36 EDT 2014
-
-This software is licensed under the Apache License, Version 2.0 (the "Apache License") or the GNU
-General Public License version 2 (the "GPL License"). You may choose either license to govern your
-use of this software only upon the condition that you accept all of the terms of either the Apache
-License or the GPL License.
-
-You may obtain a copy of the Apache License and the GPL License at:
-
-    http://www.apache.org/licenses/LICENSE-2.0
-    http://www.gnu.org/licenses/gpl-2.0.html
-
-Unless required by applicable law or agreed to in writing, software distributed under the
-Apache License or the GPL License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
-CONDITIONS OF ANY KIND, either express or implied. See the Apache License and the GPL License for
-the specific language governing permissions and limitations under the Apache License and the GPL License.
-*/
-(function ($) {
-    if(typeof $.fn.each2 == "undefined") {
-        $.extend($.fn, {
-            /*
-            * 4-10 times faster .each replacement
-            * use it carefully, as it overrides jQuery context of element on each iteration
-            */
-            each2 : function (c) {
-                var j = $([0]), i = -1, l = this.length;
-                while (
-                    ++i < l
-                    && (j.context = j[0] = this[i])
-                    && c.call(j[0], i, j) !== false //"this"=DOM, i=index, j=jQuery object
-                );
-                return this;
-            }
-        });
-    }
-})(jQuery);
-
-(function ($, undefined) {
-    "use strict";
-    /*global document, window, jQuery, console */
-
-    if (window.Select2 !== undefined) {
-        return;
-    }
-
-    var AbstractSelect2, SingleSelect2, MultiSelect2, nextUid, sizer,
-        lastMousePosition={x:0,y:0}, $document, scrollBarDimensions,
-
-    KEY = {
-        TAB: 9,
-        ENTER: 13,
-        ESC: 27,
-        SPACE: 32,
-        LEFT: 37,
-        UP: 38,
-        RIGHT: 39,
-        DOWN: 40,
-        SHIFT: 16,
-        CTRL: 17,
-        ALT: 18,
-        PAGE_UP: 33,
-        PAGE_DOWN: 34,
-        HOME: 36,
-        END: 35,
-        BACKSPACE: 8,
-        DELETE: 46,
-        isArrow: function (k) {
-            k = k.which ? k.which : k;
-            switch (k) {
-            case KEY.LEFT:
-            case KEY.RIGHT:
-            case KEY.UP:
-            case KEY.DOWN:
-                return true;
-            }
-            return false;
-        },
-        isControl: function (e) {
-            var k = e.which;
-            switch (k) {
-            case KEY.SHIFT:
-            case KEY.CTRL:
-            case KEY.ALT:
-                return true;
-            }
-
-            if (e.metaKey) return true;
-
-            return false;
-        },
-        isFunctionKey: function (k) {
-            k = k.which ? k.which : k;
-            return k >= 112 && k <= 123;
-        }
-    },
-    MEASURE_SCROLLBAR_TEMPLATE = "<div class='select2-measure-scrollbar'></div>",
-
-    DIACRITICS = 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-
-    $document = $(document);
-
-    nextUid=(function() { var counter=1; return function() { return counter++; }; }());
-
-
-    function reinsertElement(element) {
-        var placeholder = $(document.createTextNode(''));
-
-        element.before(placeholder);
-        placeholder.before(element);
-        placeholder.remove();
-    }
-
-    function stripDiacritics(str) {
-        // Used 'uni range + named function' from http://jsperf.com/diacritics/18
-        function match(a) {
-            return DIACRITICS[a] || a;
-        }
-
-        return str.replace(/[^\u0000-\u007E]/g, match);
-    }
-
-    function indexOf(value, array) {
-        var i = 0, l = array.length;
-        for (; i < l; i = i + 1) {
-            if (equal(value, array[i])) return i;
-        }
-        return -1;
-    }
-
-    function measureScrollbar () {
-        var $template = $( MEASURE_SCROLLBAR_TEMPLATE );
-        $template.appendTo(document.body);
-
-        var dim = {
-            width: $template.width() - $template[0].clientWidth,
-            height: $template.height() - $template[0].clientHeight
-        };
-        $template.remove();
-
-        return dim;
-    }
-
-    /**
-     * Compares equality of a and b
-     * @param a
-     * @param b
-     */
-    function equal(a, b) {
-        if (a === b) return true;
-        if (a === undefined || b === undefined) return false;
-        if (a === null || b === null) return false;
-        // Check whether 'a' or 'b' is a string (primitive or object).
-        // The concatenation of an empty string (+'') converts its argument to a string's primitive.
-        if (a.constructor === String) return a+'' === b+''; // a+'' - in case 'a' is a String object
-        if (b.constructor === String) return b+'' === a+''; // b+'' - in case 'b' is a String object
-        return false;
-    }
-
-    /**
-     * Splits the string into an array of values, transforming each value. An empty array is returned for nulls or empty
-     * strings
-     * @param string
-     * @param separator
-     */
-    function splitVal(string, separator, transform) {
-        var val, i, l;
-        if (string === null || string.length < 1) return [];
-        val = string.split(separator);
-        for (i = 0, l = val.length; i < l; i = i + 1) val[i] = transform(val[i]);
-        return val;
-    }
-
-    function getSideBorderPadding(element) {
-        return element.outerWidth(false) - element.width();
-    }
-
-    function installKeyUpChangeEvent(element) {
-        var key="keyup-change-value";
-        element.on("keydown", function () {
-            if ($.data(element, key) === undefined) {
-                $.data(element, key, element.val());
-            }
-        });
-        element.on("keyup", function () {
-            var val= $.data(element, key);
-            if (val !== undefined && element.val() !== val) {
-                $.removeData(element, key);
-                element.trigger("keyup-change");
-            }
-        });
-    }
-
-
-    /**
-     * filters mouse events so an event is fired only if the mouse moved.
-     *
-     * filters out mouse events that occur when mouse is stationary but
-     * the elements under the pointer are scrolled.
-     */
-    function installFilteredMouseMove(element) {
-        element.on("mousemove", function (e) {
-            var lastpos = lastMousePosition;
-            if (lastpos === undefined || lastpos.x !== e.pageX || lastpos.y !== e.pageY) {
-                $(e.target).trigger("mousemove-filtered", e);
-            }
-        });
-    }
-
-    /**
-     * Debounces a function. Returns a function that calls the original fn function only if no invocations have been made
-     * within the last quietMillis milliseconds.
-     *
-     * @param quietMillis number of milliseconds to wait before invoking fn
-     * @param fn function to be debounced
-     * @param ctx object to be used as this reference within fn
-     * @return debounced version of fn
-     */
-    function debounce(quietMillis, fn, ctx) {
-        ctx = ctx || undefined;
-        var timeout;
-        return function () {
-            var args = arguments;
-            window.clearTimeout(timeout);
-            timeout = window.setTimeout(function() {
-                fn.apply(ctx, args);
-            }, quietMillis);
-        };
-    }
-
-    function installDebouncedScroll(threshold, element) {
-        var notify = debounce(threshold, function (e) { element.trigger("scroll-debounced", e);});
-        element.on("scroll", function (e) {
-            if (indexOf(e.target, element.get()) >= 0) notify(e);
-        });
-    }
-
-    function focus($el) {
-        if ($el[0] === document.activeElement) return;
-
-        /* set the focus in a 0 timeout - that way the focus is set after the processing
-            of the current event has finished - which seems like the only reliable way
-            to set focus */
-        window.setTimeout(function() {
-            var el=$el[0], pos=$el.val().length, range;
-
-            $el.focus();
-
-            /* make sure el received focus so we do not error out when trying to manipulate the caret.
-                sometimes modals or others listeners may steal it after its set */
-            var isVisible = (el.offsetWidth > 0 || el.offsetHeight > 0);
-            if (isVisible && el === document.activeElement) {
-
-                /* after the focus is set move the caret to the end, necessary when we val()
-                    just before setting focus */
-                if(el.setSelectionRange)
-                {
-                    el.setSelectionRange(pos, pos);
-                }
-                else if (el.createTextRange) {
-                    range = el.createTextRange();
-                    range.collapse(false);
-                    range.select();
-                }
-            }
-        }, 0);
-    }
-
-    function getCursorInfo(el) {
-        el = $(el)[0];
-        var offset = 0;
-        var length = 0;
-        if ('selectionStart' in el) {
-            offset = el.selectionStart;
-            length = el.selectionEnd - offset;
-        } else if ('selection' in document) {
-            el.focus();
-            var sel = document.selection.createRange();
-            length = document.selection.createRange().text.length;
-            sel.moveStart('character', -el.value.length);
-            offset = sel.text.length - length;
-        }
-        return { offset: offset, length: length };
-    }
-
-    function killEvent(event) {
-        event.preventDefault();
-        event.stopPropagation();
-    }
-    function killEventImmediately(event) {
-        event.preventDefault();
-        event.stopImmediatePropagation();
-    }
-
-    function measureTextWidth(e) {
-        if (!sizer){
-            var style = e[0].currentStyle || window.getComputedStyle(e[0], null);
-            sizer = $(document.createElement("div")).css({
-                position: "absolute",
-                left: "-10000px",
-                top: "-10000px",
-                display: "none",
-                fontSize: style.fontSize,
-                fontFamily: style.fontFamily,
-                fontStyle: style.fontStyle,
-                fontWeight: style.fontWeight,
-                letterSpacing: style.letterSpacing,
-                textTransform: style.textTransform,
-                whiteSpace: "nowrap"
-            });
-            sizer.attr("class","select2-sizer");
-            $(document.body).append(sizer);
-        }
-        sizer.text(e.val());
-        return sizer.width();
-    }
-
-    function syncCssClasses(dest, src, adapter) {
-        var classes, replacements = [], adapted;
-
-        classes = $.trim(dest.attr("class"));
-
-        if (classes) {
-            classes = '' + classes; // for IE which returns object
-
-            $(classes.split(/\s+/)).each2(function() {
-                if (this.indexOf("select2-") === 0) {
-                    replacements.push(this);
-                }
-            });
-        }
-
-        classes = $.trim(src.attr("class"));
-
-        if (classes) {
-            classes = '' + classes; // for IE which returns object
-
-            $(classes.split(/\s+/)).each2(function() {
-                if (this.indexOf("select2-") !== 0) {
-                    adapted = adapter(this);
-
-                    if (adapted) {
-                        replacements.push(adapted);
-                    }
-                }
-            });
-        }
-
-        dest.attr("class", replacements.join(" "));
-    }
-
-
-    function markMatch(text, term, markup, escapeMarkup) {
-        var match=stripDiacritics(text.toUpperCase()).indexOf(stripDiacritics(term.toUpperCase())),
-            tl=term.length;
-
-        if (match<0) {
-            markup.push(escapeMarkup(text));
-            return;
-        }
-
-        markup.push(escapeMarkup(text.substring(0, match)));
-        markup.push("<span class='select2-match'>");
-        markup.push(escapeMarkup(text.substring(match, match + tl)));
-        markup.push("</span>");
-        markup.push(escapeMarkup(text.substring(match + tl, text.length)));
-    }
-
-    function defaultEscapeMarkup(markup) {
-        var replace_map = {
-            '\\': '&#92;',
-            '&': '&amp;',
-            '<': '&lt;',
-            '>': '&gt;',
-            '"': '&quot;',
-            "'": '&#39;',
-            "/": '&#47;'
-        };
-
-        return String(markup).replace(/[&<>"'\/\\]/g, function (match) {
-            return replace_map[match];
-        });
-    }
-
-    /**
-     * Produces an ajax-based query function
-     *
-     * @param options object containing configuration parameters
-     * @param options.params parameter map for the transport ajax call, can contain such options as cache, jsonpCallback, etc. see $.ajax
-     * @param options.transport function that will be used to execute the ajax request. must be compatible with parameters supported by $.ajax
-     * @param options.url url for the data
-     * @param options.data a function(searchTerm, pageNumber, context) that should return an object containing query string parameters for the above url.
-     * @param options.dataType request data type: ajax, jsonp, other datatypes supported by jQuery's $.ajax function or the transport function if specified
-     * @param options.quietMillis (optional) milliseconds to wait before making the ajaxRequest, helps debounce the ajax function if invoked too often
-     * @param options.results a function(remoteData, pageNumber, query) that converts data returned form the remote request to the format expected by Select2.
-     *      The expected format is an object containing the following keys:
-     *      results array of objects that will be used as choices
-     *      more (optional) boolean indicating whether there are more results available
-     *      Example: {results:[{id:1, text:'Red'},{id:2, text:'Blue'}], more:true}
-     */
-    function ajax(options) {
-        var timeout, // current scheduled but not yet executed request
-            handler = null,
-            quietMillis = options.quietMillis || 100,
-            ajaxUrl = options.url,
-            self = this;
-
-        return function (query) {
-            window.clearTimeout(timeout);
-            timeout = window.setTimeout(function () {
-                var data = options.data, // ajax data function
-                    url = ajaxUrl, // ajax url string or function
-                    transport = options.transport || $.fn.select2.ajaxDefaults.transport,
-                    // deprecated - to be removed in 4.0  - use params instead
-                    deprecated = {
-                        type: options.type || 'GET', // set type of request (GET or POST)
-                        cache: options.cache || false,
-                        jsonpCallback: options.jsonpCallback||undefined,
-                        dataType: options.dataType||"json"
-                    },
-                    params = $.extend({}, $.fn.select2.ajaxDefaults.params, deprecated);
-
-                data = data ? data.call(self, query.term, query.page, query.context) : null;
-                url = (typeof url === 'function') ? url.call(self, query.term, query.page, query.context) : url;
-
-                if (handler && typeof handler.abort === "function") { handler.abort(); }
-
-                if (options.params) {
-                    if ($.isFunction(options.params)) {
-                        $.extend(params, options.params.call(self));
-                    } else {
-                        $.extend(params, options.params);
-                    }
-                }
-
-                $.extend(params, {
-                    url: url,
-                    dataType: options.dataType,
-                    data: data,
-                    success: function (data) {
-                        // TODO - replace query.page with query so users have access to term, page, etc.
-                        // added query as third paramter to keep backwards compatibility
-                        var results = options.results(data, query.page, query);
-                        query.callback(results);
-                    },
-                    error: function(jqXHR, textStatus, errorThrown){
-                        var results = {
-                            hasError: true,
-                            jqXHR: jqXHR,
-                            textStatus: textStatus,
-                            errorThrown: errorThrown
-                        };
-
-                        query.callback(results);
-                    }
-                });
-                handler = transport.call(self, params);
-            }, quietMillis);
-        };
-    }
-
-    /**
-     * Produces a query function that works with a local array
-     *
-     * @param options object containing configuration parameters. The options parameter can either be an array or an
-     * object.
-     *
-     * If the array form is used it is assumed that it contains objects with 'id' and 'text' keys.
-     *
-     * If the object form is used it is assumed that it contains 'data' and 'text' keys. The 'data' key should contain
-     * an array of objects that will be used as choices. These objects must contain at least an 'id' key. The 'text'
-     * key can either be a String in which case it is expected that each element in the 'data' array has a key with the
-     * value of 'text' which will be used to match choices. Alternatively, text can be a function(item) that can extract
-     * the text.
-     */
-    function local(options) {
-        var data = options, // data elements
-            dataText,
-            tmp,
-            text = function (item) { return ""+item.text; }; // function used to retrieve the text portion of a data item that is matched against the search
-
-         if ($.isArray(data)) {
-            tmp = data;
-            data = { results: tmp };
-        }
-
-         if ($.isFunction(data) === false) {
-            tmp = data;
-            data = function() { return tmp; };
-        }
-
-        var dataItem = data();
-        if (dataItem.text) {
-            text = dataItem.text;
-            // if text is not a function we assume it to be a key name
-            if (!$.isFunction(text)) {
-                dataText = dataItem.text; // we need to store this in a separate variable because in the next step data gets reset and data.text is no longer available
-                text = function (item) { return item[dataText]; };
-            }
-        }
-
-        return function (query) {
-            var t = query.term, filtered = { results: [] }, process;
-            if (t === "") {
-                query.callback(data());
-                return;
-            }
-
-            process = function(datum, collection) {
-                var group, attr;
-                datum = datum[0];
-                if (datum.children) {
-                    group = {};
-                    for (attr in datum) {
-                        if (datum.hasOwnProperty(attr)) group[attr]=datum[attr];
-                    }
-                    group.children=[];
-                    $(datum.children).each2(function(i, childDatum) { process(childDatum, group.children); });
-                    if (group.children.length || query.matcher(t, text(group), datum)) {
-                        collection.push(group);
-                    }
-                } else {
-                    if (query.matcher(t, text(datum), datum)) {
-                        collection.push(datum);
-                    }
-                }
-            };
-
-            $(data().results).each2(function(i, datum) { process(datum, filtered.results); });
-            query.callback(filtered);
-        };
-    }
-
-    // TODO javadoc
-    function tags(data) {
-        var isFunc = $.isFunction(data);
-        return function (query) {
-            var t = query.term, filtered = {results: []};
-            var result = isFunc ? data(query) : data;
-            if ($.isArray(result)) {
-                $(result).each(function () {
-                    var isObject = this.text !== undefined,
-                        text = isObject ? this.text : this;
-                    if (t === "" || query.matcher(t, text)) {
-                        filtered.results.push(isObject ? this : {id: this, text: this});
-                    }
-                });
-                query.callback(filtered);
-            }
-        };
-    }
-
-    /**
-     * Checks if the formatter function should be used.
-     *
-     * Throws an error if it is not a function. Returns true if it should be used,
-     * false if no formatting should be performed.
-     *
-     * @param formatter
-     */
-    function checkFormatter(formatter, formatterName) {
-        if ($.isFunction(formatter)) return true;
-        if (!formatter) return false;
-        if (typeof(formatter) === 'string') return true;
-        throw new Error(formatterName +" must be a string, function, or falsy value");
-    }
-
-  /**
-   * Returns a given value
-   * If given a function, returns its output
-   *
-   * @param val string|function
-   * @param context value of "this" to be passed to function
-   * @returns {*}
-   */
-    function evaluate(val, context) {
-        if ($.isFunction(val)) {
-            var args = Array.prototype.slice.call(arguments, 2);
-            return val.apply(context, args);
-        }
-        return val;
-    }
-
-    function countResults(results) {
-        var count = 0;
-        $.each(results, function(i, item) {
-            if (item.children) {
-                count += countResults(item.children);
-            } else {
-                count++;
-            }
-        });
-        return count;
-    }
-
-    /**
-     * Default tokenizer. This function uses breaks the input on substring match of any string from the
-     * opts.tokenSeparators array and uses opts.createSearchChoice to create the choice object. Both of those
-     * two options have to be defined in order for the tokenizer to work.
-     *
-     * @param input text user has typed so far or pasted into the search field
-     * @param selection currently selected choices
-     * @param selectCallback function(choice) callback tho add the choice to selection
-     * @param opts select2's opts
-     * @return undefined/null to leave the current input unchanged, or a string to change the input to the returned value
-     */
-    function defaultTokenizer(input, selection, selectCallback, opts) {
-        var original = input, // store the original so we can compare and know if we need to tell the search to update its text
-            dupe = false, // check for whether a token we extracted represents a duplicate selected choice
-            token, // token
-            index, // position at which the separator was found
-            i, l, // looping variables
-            separator; // the matched separator
-
-        if (!opts.createSearchChoice || !opts.tokenSeparators || opts.tokenSeparators.length < 1) return undefined;
-
-        while (true) {
-            index = -1;
-
-            for (i = 0, l = opts.tokenSeparators.length; i < l; i++) {
-                separator = opts.tokenSeparators[i];
-                index = input.indexOf(separator);
-                if (index >= 0) break;
-            }
-
-            if (index < 0) break; // did not find any token separator in the input string, bail
-
-            token = input.substring(0, index);
-            input = input.substring(index + separator.length);
-
-            if (token.length > 0) {
-                token = opts.createSearchChoice.call(this, token, selection);
-                if (token !== undefined && token !== null && opts.id(token) !== undefined && opts.id(token) !== null) {
-                    dupe = false;
-                    for (i = 0, l = selection.length; i < l; i++) {
-                        if (equal(opts.id(token), opts.id(selection[i]))) {
-                            dupe = true; break;
-                        }
-                    }
-
-                    if (!dupe) selectCallback(token);
-                }
-            }
-        }
-
-        if (original!==input) return input;
-    }
-
-    function cleanupJQueryElements() {
-        var self = this;
-
-        $.each(arguments, function (i, element) {
-            self[element].remove();
-            self[element] = null;
-        });
-    }
-
-    /**
-     * Creates a new class
-     *
-     * @param superClass
-     * @param methods
-     */
-    function clazz(SuperClass, methods) {
-        var constructor = function () {};
-        constructor.prototype = new SuperClass;
-        constructor.prototype.constructor = constructor;
-        constructor.prototype.parent = SuperClass.prototype;
-        constructor.prototype = $.extend(constructor.prototype, methods);
-        return constructor;
-    }
-
-    AbstractSelect2 = clazz(Object, {
-
-        // abstract
-        bind: function (func) {
-            var self = this;
-            return function () {
-                func.apply(self, arguments);
-            };
-        },
-
-        // abstract
-        init: function (opts) {
-            var results, search, resultsSelector = ".select2-results";
-
-            // prepare options
-            this.opts = opts = this.prepareOpts(opts);
-
-            this.id=opts.id;
-
-            // destroy if called on an existing component
-            if (opts.element.data("select2") !== undefined &&
-                opts.element.data("select2") !== null) {
-                opts.element.data("select2").destroy();
-            }
-
-            this.container = this.createContainer();
-
-            this.liveRegion = $('.select2-hidden-accessible');
-            if (this.liveRegion.length == 0) {
-                this.liveRegion = $("<span>", {
-                        role: "status",
-                        "aria-live": "polite"
-                    })
-                    .addClass("select2-hidden-accessible")
-                    .appendTo(document.body);
-            }
-
-            this.containerId="s2id_"+(opts.element.attr("id") || "autogen"+nextUid());
-            this.containerEventName= this.containerId
-                .replace(/([.])/g, '_')
-                .replace(/([;&,\-\.\+\*\~':"\!\^#$%@\[\]\(\)=>\|])/g, '\\$1');
-            this.container.attr("id", this.containerId);
-
-            this.container.attr("title", opts.element.attr("title"));
-
-            this.body = $(document.body);
-
-            syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass);
-
-            this.container.attr("style", opts.element.attr("style"));
-            this.container.css(evaluate(opts.containerCss, this.opts.element));
-            this.container.addClass(evaluate(opts.containerCssClass, this.opts.element));
-
-            this.elementTabIndex = this.opts.element.attr("tabindex");
-
-            // swap container for the element
-            this.opts.element
-                .data("select2", this)
-                .attr("tabindex", "-1")
-                .before(this.container)
-                .on("click.select2", killEvent); // do not leak click events
-
-            this.container.data("select2", this);
-
-            this.dropdown = this.container.find(".select2-drop");
-
-            syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass);
-
-            this.dropdown.addClass(evaluate(opts.dropdownCssClass, this.opts.element));
-            this.dropdown.data("select2", this);
-            this.dropdown.on("click", killEvent);
-
-            this.results = results = this.container.find(resultsSelector);
-            this.search = search = this.container.find("input.select2-input");
-
-            this.queryCount = 0;
-            this.resultsPage = 0;
-            this.context = null;
-
-            // initialize the container
-            this.initContainer();
-
-            this.container.on("click", killEvent);
-
-            installFilteredMouseMove(this.results);
-
-            this.dropdown.on("mousemove-filtered", resultsSelector, this.bind(this.highlightUnderEvent));
-            this.dropdown.on("touchstart touchmove touchend", resultsSelector, this.bind(function (event) {
-                this._touchEvent = true;
-                this.highlightUnderEvent(event);
-            }));
-            this.dropdown.on("touchmove", resultsSelector, this.bind(this.touchMoved));
-            this.dropdown.on("touchstart touchend", resultsSelector, this.bind(this.clearTouchMoved));
-
-            // Waiting for a click event on touch devices to select option and hide dropdown
-            // otherwise click will be triggered on an underlying element
-            this.dropdown.on('click', this.bind(function (event) {
-                if (this._touchEvent) {
-                    this._touchEvent = false;
-                    this.selectHighlighted();
-                }
-            }));
-
-            installDebouncedScroll(80, this.results);
-            this.dropdown.on("scroll-debounced", resultsSelector, this.bind(this.loadMoreIfNeeded));
-
-            // do not propagate change event from the search field out of the component
-            $(this.container).on("change", ".select2-input", function(e) {e.stopPropagation();});
-            $(this.dropdown).on("change", ".select2-input", function(e) {e.stopPropagation();});
-
-            // if jquery.mousewheel plugin is installed we can prevent out-of-bounds scrolling of results via mousewheel
-            if ($.fn.mousewheel) {
-                results.mousewheel(function (e, delta, deltaX, deltaY) {
-                    var top = results.scrollTop();
-                    if (deltaY > 0 && top - deltaY <= 0) {
-                        results.scrollTop(0);
-                        killEvent(e);
-                    } else if (deltaY < 0 && results.get(0).scrollHeight - results.scrollTop() + deltaY <= results.height()) {
-                        results.scrollTop(results.get(0).scrollHeight - results.height());
-                        killEvent(e);
-                    }
-                });
-            }
-
-            installKeyUpChangeEvent(search);
-            search.on("keyup-change input paste", this.bind(this.updateResults));
-            search.on("focus", function () { search.addClass("select2-focused"); });
-            search.on("blur", function () { search.removeClass("select2-focused");});
-
-            this.dropdown.on("mouseup", resultsSelector, this.bind(function (e) {
-                if ($(e.target).closest(".select2-result-selectable").length > 0) {
-                    this.highlightUnderEvent(e);
-                    this.selectHighlighted(e);
-                }
-            }));
-
-            // trap all mouse events from leaving the dropdown. sometimes there may be a modal that is listening
-            // for mouse events outside of itself so it can close itself. since the dropdown is now outside the select2's
-            // dom it will trigger the popup close, which is not what we want
-            // focusin can cause focus wars between modals and select2 since the dropdown is outside the modal.
-            this.dropdown.on("click mouseup mousedown touchstart touchend focusin", function (e) { e.stopPropagation(); });
-
-            this.nextSearchTerm = undefined;
-
-            if ($.isFunction(this.opts.initSelection)) {
-                // initialize selection based on the current value of the source element
-                this.initSelection();
-
-                // if the user has provided a function that can set selection based on the value of the source element
-                // we monitor the change event on the element and trigger it, allowing for two way synchronization
-                this.monitorSource();
-            }
-
-            if (opts.maximumInputLength !== null) {
-                this.search.attr("maxlength", opts.maximumInputLength);
-            }
-
-            var disabled = opts.element.prop("disabled");
-            if (disabled === undefined) disabled = false;
-            this.enable(!disabled);
-
-            var readonly = opts.element.prop("readonly");
-            if (readonly === undefined) readonly = false;
-            this.readonly(readonly);
-
-            // Calculate size of scrollbar
-            scrollBarDimensions = scrollBarDimensions || measureScrollbar();
-
-            this.autofocus = opts.element.prop("autofocus");
-            opts.element.prop("autofocus", false);
-            if (this.autofocus) this.focus();
-
-            this.search.attr("placeholder", opts.searchInputPlaceholder);
-        },
-
-        // abstract
-        destroy: function () {
-            var element=this.opts.element, select2 = element.data("select2"), self = this;
-
-            this.close();
-
-            if (element.length && element[0].detachEvent && self._sync) {
-                element.each(function () {
-                    if (self._sync) {
-                        this.detachEvent("onpropertychange", self._sync);
-                    }
-                });
-            }
-            if (this.propertyObserver) {
-                this.propertyObserver.disconnect();
-                this.propertyObserver = null;
-            }
-            this._sync = null;
-
-            if (select2 !== undefined) {
-                select2.container.remove();
-                select2.liveRegion.remove();
-                select2.dropdown.remove();
-                element
-                    .show()
-                    .removeData("select2")
-                    .off(".select2")
-                    .prop("autofocus", this.autofocus || false);
-                if (this.elementTabIndex) {
-                    element.attr({tabindex: this.elementTabIndex});
-                } else {
-                    element.removeAttr("tabindex");
-                }
-                element.show();
-            }
-
-            cleanupJQueryElements.call(this,
-                "container",
-                "liveRegion",
-                "dropdown",
-                "results",
-                "search"
-            );
-        },
-
-        // abstract
-        optionToData: function(element) {
-            if (element.is("option")) {
-                return {
-                    id:element.prop("value"),
-                    text:element.text(),
-                    element: element.get(),
-                    css: element.attr("class"),
-                    disabled: element.prop("disabled"),
-                    locked: equal(element.attr("locked"), "locked") || equal(element.data("locked"), true)
-                };
-            } else if (element.is("optgroup")) {
-                return {
-                    text:element.attr("label"),
-                    children:[],
-                    element: element.get(),
-                    css: element.attr("class")
-                };
-            }
-        },
-
-        // abstract
-        prepareOpts: function (opts) {
-            var element, select, idKey, ajaxUrl, self = this;
-
-            element = opts.element;
-
-            if (element.get(0).tagName.toLowerCase() === "select") {
-                this.select = select = opts.element;
-            }
-
-            if (select) {
-                // these options are not allowed when attached to a select because they are picked up off the element itself
-                $.each(["id", "multiple", "ajax", "query", "createSearchChoice", "initSelection", "data", "tags"], function () {
-                    if (this in opts) {
-                        throw new Error("Option '" + this + "' is not allowed for Select2 when attached to a <select> element.");
-                    }
-                });
-            }
-
-            opts = $.extend({}, {
-                populateResults: function(container, results, query) {
-                    var populate, id=this.opts.id, liveRegion=this.liveRegion;
-
-                    populate=function(results, container, depth) {
-
-                        var i, l, result, selectable, disabled, compound, node, label, innerContainer, formatted;
-
-                        results = opts.sortResults(results, container, query);
-
-                        // collect the created nodes for bulk append
-                        var nodes = [];
-                        for (i = 0, l = results.length; i < l; i = i + 1) {
-
-                            result=results[i];
-
-                            disabled = (result.disabled === true);
-                            selectable = (!disabled) && (id(result) !== undefined);
-
-                            compound=result.children && result.children.length > 0;
-
-                            node=$("<li></li>");
-                            node.addClass("select2-results-dept-"+depth);
-                            node.addClass("select2-result");
-                            node.addClass(selectable ? "select2-result-selectable" : "select2-result-unselectable");
-                            if (disabled) { node.addClass("select2-disabled"); }
-                            if (compound) { node.addClass("select2-result-with-children"); }
-                            node.addClass(self.opts.formatResultCssClass(result));
-                            node.attr("role", "presentation");
-
-                            label=$(document.createElement("div"));
-                            label.addClass("select2-result-label");
-                            label.attr("id", "select2-result-label-" + nextUid());
-                            label.attr("role", "option");
-
-                            formatted=opts.formatResult(result, label, query, self.opts.escapeMarkup);
-                            if (formatted!==undefined) {
-                                label.html(formatted);
-                                node.append(label);
-                            }
-
-
-                            if (compound) {
-
-                                innerContainer=$("<ul></ul>");
-                                innerContainer.addClass("select2-result-sub");
-                                populate(result.children, innerContainer, depth+1);
-                                node.append(innerContainer);
-                            }
-
-                            node.data("select2-data", result);
-                            nodes.push(node[0]);
-                        }
-
-                        // bulk append the created nodes
-                        container.append(nodes);
-                        liveRegion.text(opts.formatMatches(results.length));
-                    };
-
-                    populate(results, container, 0);
-                }
-            }, $.fn.select2.defaults, opts);
-
-            if (typeof(opts.id) !== "function") {
-                idKey = opts.id;
-                opts.id = function (e) { return e[idKey]; };
-            }
-
-            if ($.isArray(opts.element.data("select2Tags"))) {
-                if ("tags" in opts) {
-                    throw "tags specified as both an attribute 'data-select2-tags' and in options of Select2 " + opts.element.attr("id");
-                }
-                opts.tags=opts.element.data("select2Tags");
-            }
-
-            if (select) {
-                opts.query = this.bind(function (query) {
-                    var data = { results: [], more: false },
-                        term = query.term,
-                        children, placeholderOption, process;
-
-                    process=function(element, collection) {
-                        var group;
-                        if (element.is("option")) {
-                            if (query.matcher(term, element.text(), element)) {
-                                collection.push(self.optionToData(element));
-                            }
-                        } else if (element.is("optgroup")) {
-                            group=self.optionToData(element);
-                            element.children().each2(function(i, elm) { process(elm, group.children); });
-                            if (group.children.length>0) {
-                                collection.push(group);
-                            }
-                        }
-                    };
-
-                    children=element.children();
-
-                    // ignore the placeholder option if there is one
-                    if (this.getPlaceholder() !== undefined && children.length > 0) {
-                        placeholderOption = this.getPlaceholderOption();
-                        if (placeholderOption) {
-                            children=children.not(placeholderOption);
-                        }
-                    }
-
-                    children.each2(function(i, elm) { process(elm, data.results); });
-
-                    query.callback(data);
-                });
-                // this is needed because inside val() we construct choices from options and their id is hardcoded
-                opts.id=function(e) { return e.id; };
-            } else {
-                if (!("query" in opts)) {
-
-                    if ("ajax" in opts) {
-                        ajaxUrl = opts.element.data("ajax-url");
-                        if (ajaxUrl && ajaxUrl.length > 0) {
-                            opts.ajax.url = ajaxUrl;
-                        }
-                        opts.query = ajax.call(opts.element, opts.ajax);
-                    } else if ("data" in opts) {
-                        opts.query = local(opts.data);
-                    } else if ("tags" in opts) {
-                        opts.query = tags(opts.tags);
-                        if (opts.createSearchChoice === undefined) {
-                            opts.createSearchChoice = function (term) { return {id: $.trim(term), text: $.trim(term)}; };
-                        }
-                        if (opts.initSelection === undefined) {
-                            opts.initSelection = function (element, callback) {
-                                var data = [];
-                                $(splitVal(element.val(), opts.separator, opts.transformVal)).each(function () {
-                                    var obj = { id: this, text: this },
-                                        tags = opts.tags;
-                                    if ($.isFunction(tags)) tags=tags();
-                                    $(tags).each(function() { if (equal(this.id, obj.id)) { obj = this; return false; } });
-                                    data.push(obj);
-                                });
-
-                                callback(data);
-                            };
-                        }
-                    }
-                }
-            }
-            if (typeof(opts.query) !== "function") {
-                throw "query function not defined for Select2 " + opts.element.attr("id");
-            }
-
-            if (opts.createSearchChoicePosition === 'top') {
-                opts.createSearchChoicePosition = function(list, item) { list.unshift(item); };
-            }
-            else if (opts.createSearchChoicePosition === 'bottom') {
-                opts.createSearchChoicePosition = function(list, item) { list.push(item); };
-            }
-            else if (typeof(opts.createSearchChoicePosition) !== "function")  {
-                throw "invalid createSearchChoicePosition option must be 'top', 'bottom' or a custom function";
-            }
-
-            return opts;
-        },
-
-        /**
-         * Monitor the original element for changes and update select2 accordingly
-         */
-        // abstract
-        monitorSource: function () {
-            var el = this.opts.element, observer, self = this;
-
-            el.on("change.select2", this.bind(function (e) {
-                if (this.opts.element.data("select2-change-triggered") !== true) {
-                    this.initSelection();
-                }
-            }));
-
-            this._sync = this.bind(function () {
-
-                // sync enabled state
-                var disabled = el.prop("disabled");
-                if (disabled === undefined) disabled = false;
-                this.enable(!disabled);
-
-                var readonly = el.prop("readonly");
-                if (readonly === undefined) readonly = false;
-                this.readonly(readonly);
-
-                if (this.container) {
-                    syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass);
-                    this.container.addClass(evaluate(this.opts.containerCssClass, this.opts.element));
-                }
-
-                if (this.dropdown) {
-                    syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass);
-                    this.dropdown.addClass(evaluate(this.opts.dropdownCssClass, this.opts.element));
-                }
-
-            });
-
-            // IE8-10 (IE9/10 won't fire propertyChange via attachEventListener)
-            if (el.length && el[0].attachEvent) {
-                el.each(function() {
-                    this.attachEvent("onpropertychange", self._sync);
-                });
-            }
-
-            // safari, chrome, firefox, IE11
-            observer = window.MutationObserver || window.WebKitMutationObserver|| window.MozMutationObserver;
-            if (observer !== undefined) {
-                if (this.propertyObserver) { delete this.propertyObserver; this.propertyObserver = null; }
-                this.propertyObserver = new observer(function (mutations) {
-                    $.each(mutations, self._sync);
-                });
-                this.propertyObserver.observe(el.get(0), { attributes:true, subtree:false });
-            }
-        },
-
-        // abstract
-        triggerSelect: function(data) {
-            var evt = $.Event("select2-selecting", { val: this.id(data), object: data, choice: data });
-            this.opts.element.trigger(evt);
-            return !evt.isDefaultPrevented();
-        },
-
-        /**
-         * Triggers the change event on the source element
-         */
-        // abstract
-        triggerChange: function (details) {
-
-            details = details || {};
-            details= $.extend({}, details, { type: "change", val: this.val() });
-            // prevents recursive triggering
-            this.opts.element.data("select2-change-triggered", true);
-            this.opts.element.trigger(details);
-            this.opts.element.data("select2-change-triggered", false);
-
-            // some validation frameworks ignore the change event and listen instead to keyup, click for selects
-            // so here we trigger the click event manually
-            this.opts.element.click();
-
-            // ValidationEngine ignores the change event and listens instead to blur
-            // so here we trigger the blur event manually if so desired
-            if (this.opts.blurOnChange)
-                this.opts.element.blur();
-        },
-
-        //abstract
-        isInterfaceEnabled: function()
-        {
-            return this.enabledInterface === true;
-        },
-
-        // abstract
-        enableInterface: function() {
-            var enabled = this._enabled && !this._readonly,
-                disabled = !enabled;
-
-            if (enabled === this.enabledInterface) return false;
-
-            this.container.toggleClass("select2-container-disabled", disabled);
-            this.close();
-            this.enabledInterface = enabled;
-
-            return true;
-        },
-
-        // abstract
-        enable: function(enabled) {
-            if (enabled === undefined) enabled = true;
-            if (this._enabled === enabled) return;
-            this._enabled = enabled;
-
-            this.opts.element.prop("disabled", !enabled);
-            this.enableInterface();
-        },
-
-        // abstract
-        disable: function() {
-            this.enable(false);
-        },
-
-        // abstract
-        readonly: function(enabled) {
-            if (enabled === undefined) enabled = false;
-            if (this._readonly === enabled) return;
-            this._readonly = enabled;
-
-            this.opts.element.prop("readonly", enabled);
-            this.enableInterface();
-        },
-
-        // abstract
-        opened: function () {
-            return (this.container) ? this.container.hasClass("select2-dropdown-open") : false;
-        },
-
-        // abstract
-        positionDropdown: function() {
-            var $dropdown = this.dropdown,
-                container = this.container,
-                offset = container.offset(),
-                height = container.outerHeight(false),
-                width = container.outerWidth(false),
-                dropHeight = $dropdown.outerHeight(false),
-                $window = $(window),
-                windowWidth = $window.width(),
-                windowHeight = $window.height(),
-                viewPortRight = $window.scrollLeft() + windowWidth,
-                viewportBottom = $window.scrollTop() + windowHeight,
-                dropTop = offset.top + height,
-                dropLeft = offset.left,
-                enoughRoomBelow = dropTop + dropHeight <= viewportBottom,
-                enoughRoomAbove = (offset.top - dropHeight) >= $window.scrollTop(),
-                dropWidth = $dropdown.outerWidth(false),
-                enoughRoomOnRight = function() {
-                    return dropLeft + dropWidth <= viewPortRight;
-                },
-                enoughRoomOnLeft = function() {
-                    return offset.left + viewPortRight + container.outerWidth(false)  > dropWidth;
-                },
-                aboveNow = $dropdown.hasClass("select2-drop-above"),
-                bodyOffset,
-                above,
-                changeDirection,
-                css,
-                resultsListNode;
-
-            // always prefer the current above/below alignment, unless there is not enough room
-            if (aboveNow) {
-                above = true;
-                if (!enoughRoomAbove && enoughRoomBelow) {
-                    changeDirection = true;
-                    above = false;
-                }
-            } else {
-                above = false;
-                if (!enoughRoomBelow && enoughRoomAbove) {
-                    changeDirection = true;
-                    above = true;
-                }
-            }
-
-            //if we are changing direction we need to get positions when dropdown is hidden;
-            if (changeDirection) {
-                $dropdown.hide();
-                offset = this.container.offset();
-                height = this.container.outerHeight(false);
-                width = this.container.outerWidth(false);
-                dropHeight = $dropdown.outerHeight(false);
-                viewPortRight = $window.scrollLeft() + windowWidth;
-                viewportBottom = $window.scrollTop() + windowHeight;
-                dropTop = offset.top + height;
-                dropLeft = offset.left;
-                dropWidth = $dropdown.outerWidth(false);
-                $dropdown.show();
-
-                // fix so the cursor does not move to the left within the search-textbox in IE
-                this.focusSearch();
-            }
-
-            if (this.opts.dropdownAutoWidth) {
-                resultsListNode = $('.select2-results', $dropdown)[0];
-                $dropdown.addClass('select2-drop-auto-width');
-                $dropdown.css('width', '');
-                // Add scrollbar width to dropdown if vertical scrollbar is present
-                dropWidth = $dropdown.outerWidth(false) + (resultsListNode.scrollHeight === resultsListNode.clientHeight ? 0 : scrollBarDimensions.width);
-                dropWidth > width ? width = dropWidth : dropWidth = width;
-                dropHeight = $dropdown.outerHeight(false);
-            }
-            else {
-                this.container.removeClass('select2-drop-auto-width');
-            }
-
-            //console.log("below/ droptop:", dropTop, "dropHeight", dropHeight, "sum", (dropTop+dropHeight)+" viewport bottom", viewportBottom, "enough?", enoughRoomBelow);
-            //console.log("above/ offset.top", offset.top, "dropHeight", dropHeight, "top", (offset.top-dropHeight), "scrollTop", this.body.scrollTop(), "enough?", enoughRoomAbove);
-
-            // fix positioning when body has an offset and is not position: static
-            if (this.body.css('position') !== 'static') {
-                bodyOffset = this.body.offset();
-                dropTop -= bodyOffset.top;
-                dropLeft -= bodyOffset.left;
-            }
-
-            if (!enoughRoomOnRight() && enoughRoomOnLeft()) {
-                dropLeft = offset.left + this.container.outerWidth(false) - dropWidth;
-            }
-
-            css =  {
-                left: dropLeft,
-                width: width
-            };
-
-            if (above) {
-                css.top = offset.top - dropHeight;
-                css.bottom = 'auto';
-                this.container.addClass("select2-drop-above");
-                $dropdown.addClass("select2-drop-above");
-            }
-            else {
-                css.top = dropTop;
-                css.bottom = 'auto';
-                this.container.removeClass("select2-drop-above");
-                $dropdown.removeClass("select2-drop-above");
-            }
-            css = $.extend(css, evaluate(this.opts.dropdownCss, this.opts.element));
-
-            $dropdown.css(css);
-        },
-
-        // abstract
-        shouldOpen: function() {
-            var event;
-
-            if (this.opened()) return false;
-
-            if (this._enabled === false || this._readonly === true) return false;
-
-            event = $.Event("select2-opening");
-            this.opts.element.trigger(event);
-            return !event.isDefaultPrevented();
-        },
-
-        // abstract
-        clearDropdownAlignmentPreference: function() {
-            // clear the classes used to figure out the preference of where the dropdown should be opened
-            this.container.removeClass("select2-drop-above");
-            this.dropdown.removeClass("select2-drop-above");
-        },
-
-        /**
-         * Opens the dropdown
-         *
-         * @return {Boolean} whether or not dropdown was opened. This method will return false if, for example,
-         * the dropdown is already open, or if the 'open' event listener on the element called preventDefault().
-         */
-        // abstract
-        open: function () {
-
-            if (!this.shouldOpen()) return false;
-
-            this.opening();
-
-            // Only bind the document mousemove when the dropdown is visible
-            $document.on("mousemove.select2Event", function (e) {
-                lastMousePosition.x = e.pageX;
-                lastMousePosition.y = e.pageY;
-            });
-
-            return true;
-        },
-
-        /**
-         * Performs the opening of the dropdown
-         */
-        // abstract
-        opening: function() {
-            var cid = this.containerEventName,
-                scroll = "scroll." + cid,
-                resize = "resize."+cid,
-                orient = "orientationchange."+cid,
-                mask;
-
-            this.container.addClass("select2-dropdown-open").addClass("select2-container-active");
-
-            this.clearDropdownAlignmentPreference();
-
-            if(this.dropdown[0] !== this.body.children().last()[0]) {
-                this.dropdown.detach().appendTo(this.body);
-            }
-
-            // create the dropdown mask if doesn't already exist
-            mask = $("#select2-drop-mask");
-            if (mask.length === 0) {
-                mask = $(document.createElement("div"));
-                mask.attr("id","select2-drop-mask").attr("class","select2-drop-mask");
-                mask.hide();
-                mask.appendTo(this.body);
-                mask.on("mousedown touchstart click", function (e) {
-                    // Prevent IE from generating a click event on the body
-                    reinsertElement(mask);
-
-                    var dropdown = $("#select2-drop"), self;
-                    if (dropdown.length > 0) {
-                        self=dropdown.data("select2");
-                        if (self.opts.selectOnBlur) {
-                            self.selectHighlighted({noFocus: true});
-                        }
-                        self.close();
-                        e.preventDefault();
-                        e.stopPropagation();
-                    }
-                });
-            }
-
-            // ensure the mask is always right before the dropdown
-            if (this.dropdown.prev()[0] !== mask[0]) {
-                this.dropdown.before(mask);
-            }
-
-            // move the global id to the correct dropdown
-            $("#select2-drop").removeAttr("id");
-            this.dropdown.attr("id", "select2-drop");
-
-            // show the elements
-            mask.show();
-
-            this.positionDropdown();
-            this.dropdown.show();
-            this.positionDropdown();
-
-            this.dropdown.addClass("select2-drop-active");
-
-            // attach listeners to events that can change the position of the container and thus require
-            // the position of the dropdown to be updated as well so it does not come unglued from the container
-            var that = this;
-            this.container.parents().add(window).each(function () {
-                $(this).on(resize+" "+scroll+" "+orient, function (e) {
-                    if (that.opened()) that.positionDropdown();
-                });
-            });
-
-
-        },
-
-        // abstract
-        close: function () {
-            if (!this.opened()) return;
-
-            var cid = this.containerEventName,
-                scroll = "scroll." + cid,
-                resize = "resize."+cid,
-                orient = "orientationchange."+cid;
-
-            // unbind event listeners
-            this.container.parents().add(window).each(function () { $(this).off(scroll).off(resize).off(orient); });
-
-            this.clearDropdownAlignmentPreference();
-
-            $("#select2-drop-mask").hide();
-            this.dropdown.removeAttr("id"); // only the active dropdown has the select2-drop id
-            this.dropdown.hide();
-            this.container.removeClass("select2-dropdown-open").removeClass("select2-container-active");
-            this.results.empty();
-
-            // Now that the dropdown is closed, unbind the global document mousemove event
-            $document.off("mousemove.select2Event");
-
-            this.clearSearch();
-            this.search.removeClass("select2-active");
-            this.opts.element.trigger($.Event("select2-close"));
-        },
-
-        /**
-         * Opens control, sets input value, and updates results.
-         */
-        // abstract
-        externalSearch: function (term) {
-            this.open();
-            this.search.val(term);
-            this.updateResults(false);
-        },
-
-        // abstract
-        clearSearch: function () {
-
-        },
-
-        //abstract
-        getMaximumSelectionSize: function() {
-            return evaluate(this.opts.maximumSelectionSize, this.opts.element);
-        },
-
-        // abstract
-        ensureHighlightVisible: function () {
-            var results = this.results, children, index, child, hb, rb, y, more, topOffset;
-
-            index = this.highlight();
-
-            if (index < 0) return;
-
-            if (index == 0) {
-
-                // if the first element is highlighted scroll all the way to the top,
-                // that way any unselectable headers above it will also be scrolled
-                // into view
-
-                results.scrollTop(0);
-                return;
-            }
-
-            children = this.findHighlightableChoices().find('.select2-result-label');
-
-            child = $(children[index]);
-
-            topOffset = (child.offset() || {}).top || 0;
-
-            hb = topOffset + child.outerHeight(true);
-
-            // if this is the last child lets also make sure select2-more-results is visible
-            if (index === children.length - 1) {
-                more = results.find("li.select2-more-results");
-                if (more.length > 0) {
-                    hb = more.offset().top + more.outerHeight(true);
-                }
-            }
-
-            rb = results.offset().top + results.outerHeight(false);
-            if (hb > rb) {
-                results.scrollTop(results.scrollTop() + (hb - rb));
-            }
-            y = topOffset - results.offset().top;
-
-            // make sure the top of the element is visible
-            if (y < 0 && child.css('display') != 'none' ) {
-                results.scrollTop(results.scrollTop() + y); // y is negative
-            }
-        },
-
-        // abstract
-        findHighlightableChoices: function() {
-            return this.results.find(".select2-result-selectable:not(.select2-disabled):not(.select2-selected)");
-        },
-
-        // abstract
-        moveHighlight: function (delta) {
-            var choices = this.findHighlightableChoices(),
-                index = this.highlight();
-
-            while (index > -1 && index < choices.length) {
-                index += delta;
-                var choice = $(choices[index]);
-                if (choice.hasClass("select2-result-selectable") && !choice.hasClass("select2-disabled") && !choice.hasClass("select2-selected")) {
-                    this.highlight(index);
-                    break;
-                }
-            }
-        },
-
-        // abstract
-        highlight: function (index) {
-            var choices = this.findHighlightableChoices(),
-                choice,
-                data;
-
-            if (arguments.length === 0) {
-                return indexOf(choices.filter(".select2-highlighted")[0], choices.get());
-            }
-
-            if (index >= choices.length) index = choices.length - 1;
-            if (index < 0) index = 0;
-
-            this.removeHighlight();
-
-            choice = $(choices[index]);
-            choice.addClass("select2-highlighted");
-
-            // ensure assistive technology can determine the active choice
-            this.search.attr("aria-activedescendant", choice.find(".select2-result-label").attr("id"));
-
-            this.ensureHighlightVisible();
-
-            this.liveRegion.text(choice.text());
-
-            data = choice.data("select2-data");
-            if (data) {
-                this.opts.element.trigger({ type: "select2-highlight", val: this.id(data), choice: data });
-            }
-        },
-
-        removeHighlight: function() {
-            this.results.find(".select2-highlighted").removeClass("select2-highlighted");
-        },
-
-        touchMoved: function() {
-            this._touchMoved = true;
-        },
-
-        clearTouchMoved: function() {
-          this._touchMoved = false;
-        },
-
-        // abstract
-        countSelectableResults: function() {
-            return this.findHighlightableChoices().length;
-        },
-
-        // abstract
-        highlightUnderEvent: function (event) {
-            var el = $(event.target).closest(".select2-result-selectable");
-            if (el.length > 0 && !el.is(".select2-highlighted")) {
-                var choices = this.findHighlightableChoices();
-                this.highlight(choices.index(el));
-            } else if (el.length == 0) {
-                // if we are over an unselectable item remove all highlights
-                this.removeHighlight();
-            }
-        },
-
-        // abstract
-        loadMoreIfNeeded: function () {
-            var results = this.results,
-                more = results.find("li.select2-more-results"),
-                below, // pixels the element is below the scroll fold, below==0 is when the element is starting to be visible
-                page = this.resultsPage + 1,
-                self=this,
-                term=this.search.val(),
-                context=this.context;
-
-            if (more.length === 0) return;
-            below = more.offset().top - results.offset().top - results.height();
-
-            if (below <= this.opts.loadMorePadding) {
-                more.addClass("select2-active");
-                this.opts.query({
-                        element: this.opts.element,
-                        term: term,
-                        page: page,
-                        context: context,
-                        matcher: this.opts.matcher,
-                        callback: this.bind(function (data) {
-
-                    // ignore a response if the select2 has been closed before it was received
-                    if (!self.opened()) return;
-
-
-                    self.opts.populateResults.call(this, results, data.results, {term: term, page: page, context:context});
-                    self.postprocessResults(data, false, false);
-
-                    if (data.more===true) {
-                        more.detach().appendTo(results).html(self.opts.escapeMarkup(evaluate(self.opts.formatLoadMore, self.opts.element, page+1)));
-                        window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10);
-                    } else {
-                        more.remove();
-                    }
-                    self.positionDropdown();
-                    self.resultsPage = page;
-                    self.context = data.context;
-                    this.opts.element.trigger({ type: "select2-loaded", items: data });
-                })});
-            }
-        },
-
-        /**
-         * Default tokenizer function which does nothing
-         */
-        tokenize: function() {
-
-        },
-
-        /**
-         * @param initial whether or not this is the call to this method right after the dropdown has been opened
-         */
-        // abstract
-        updateResults: function (initial) {
-            var search = this.search,
-                results = this.results,
-                opts = this.opts,
-                data,
-                self = this,
-                input,
-                term = search.val(),
-                lastTerm = $.data(this.container, "select2-last-term"),
-                // sequence number used to drop out-of-order responses
-                queryNumber;
-
-            // prevent duplicate queries against the same term
-            if (initial !== true && lastTerm && equal(term, lastTerm)) return;
-
-            $.data(this.container, "select2-last-term", term);
-
-            // if the search is currently hidden we do not alter the results
-            if (initial !== true && (this.showSearchInput === false || !this.opened())) {
-                return;
-            }
-
-            function postRender() {
-                search.removeClass("select2-active");
-                self.positionDropdown();
-                if (results.find('.select2-no-results,.select2-selection-limit,.select2-searching').length) {
-                    self.liveRegion.text(results.text());
-                }
-                else {
-                    self.liveRegion.text(self.opts.formatMatches(results.find('.select2-result-selectable:not(".select2-selected")').length));
-                }
-            }
-
-            function render(html) {
-                results.html(html);
-                postRender();
-            }
-
-            queryNumber = ++this.queryCount;
-
-            var maxSelSize = this.getMaximumSelectionSize();
-            if (maxSelSize >=1) {
-                data = this.data();
-                if ($.isArray(data) && data.length >= maxSelSize && checkFormatter(opts.formatSelectionTooBig, "formatSelectionTooBig")) {
-                    render("<li class='select2-selection-limit'>" + evaluate(opts.formatSelectionTooBig, opts.element, maxSelSize) + "</li>");
-                    return;
-                }
-            }
-
-            if (search.val().length < opts.minimumInputLength) {
-                if (checkFormatter(opts.formatInputTooShort, "formatInputTooShort")) {
-                    render("<li class='select2-no-results'>" + evaluate(opts.formatInputTooShort, opts.element, search.val(), opts.minimumInputLength) + "</li>");
-                } else {
-                    render("");
-                }
-                if (initial && this.showSearch) this.showSearch(true);
-                return;
-            }
-
-            if (opts.maximumInputLength && search.val().length > opts.maximumInputLength) {
-                if (checkFormatter(opts.formatInputTooLong, "formatInputTooLong")) {
-                    render("<li class='select2-no-results'>" + evaluate(opts.formatInputTooLong, opts.element, search.val(), opts.maximumInputLength) + "</li>");
-                } else {
-                    render("");
-                }
-                return;
-            }
-
-            if (opts.formatSearching && this.findHighlightableChoices().length === 0) {
-                render("<li class='select2-searching'>" + evaluate(opts.formatSearching, opts.element) + "</li>");
-            }
-
-            search.addClass("select2-active");
-
-            this.removeHighlight();
-
-            // give the tokenizer a chance to pre-process the input
-            input = this.tokenize();
-            if (input != undefined && input != null) {
-                search.val(input);
-            }
-
-            this.resultsPage = 1;
-
-            opts.query({
-                element: opts.element,
-                    term: search.val(),
-                    page: this.resultsPage,
-                    context: null,
-                    matcher: opts.matcher,
-                    callback: this.bind(function (data) {
-                var def; // default choice
-
-                // ignore old responses
-                if (queryNumber != this.queryCount) {
-                  return;
-                }
-
-                // ignore a response if the select2 has been closed before it was received
-                if (!this.opened()) {
-                    this.search.removeClass("select2-active");
-                    return;
-                }
-
-                // handle ajax error
-                if(data.hasError !== undefined && checkFormatter(opts.formatAjaxError, "formatAjaxError")) {
-                    render("<li class='select2-ajax-error'>" + evaluate(opts.formatAjaxError, opts.element, data.jqXHR, data.textStatus, data.errorThrown) + "</li>");
-                    return;
-                }
-
-                // save context, if any
-                this.context = (data.context===undefined) ? null : data.context;
-                // create a default choice and prepend it to the list
-                if (this.opts.createSearchChoice && search.val() !== "") {
-                    def = this.opts.createSearchChoice.call(self, search.val(), data.results);
-                    if (def !== undefined && def !== null && self.id(def) !== undefined && self.id(def) !== null) {
-                        if ($(data.results).filter(
-                            function () {
-                                return equal(self.id(this), self.id(def));
-                            }).length === 0) {
-                            this.opts.createSearchChoicePosition(data.results, def);
-                        }
-                    }
-                }
-
-                if (data.results.length === 0 && checkFormatter(opts.formatNoMatches, "formatNoMatches")) {
-                    render("<li class='select2-no-results'>" + evaluate(opts.formatNoMatches, opts.element, search.val()) + "</li>");
-                    return;
-                }
-
-                results.empty();
-                self.opts.populateResults.call(this, results, data.results, {term: search.val(), page: this.resultsPage, context:null});
-
-                if (data.more === true && checkFormatter(opts.formatLoadMore, "formatLoadMore")) {
-                    results.append("<li class='select2-more-results'>" + opts.escapeMarkup(evaluate(opts.formatLoadMore, opts.element, this.resultsPage)) + "</li>");
-                    window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10);
-                }
-
-                this.postprocessResults(data, initial);
-
-                postRender();
-
-                this.opts.element.trigger({ type: "select2-loaded", items: data });
-            })});
-        },
-
-        // abstract
-        cancel: function () {
-            this.close();
-        },
-
-        // abstract
-        blur: function () {
-            // if selectOnBlur == true, select the currently highlighted option
-            if (this.opts.selectOnBlur)
-                this.selectHighlighted({noFocus: true});
-
-            this.close();
-            this.container.removeClass("select2-container-active");
-            // synonymous to .is(':focus'), which is available in jquery >= 1.6
-            if (this.search[0] === document.activeElement) { this.search.blur(); }
-            this.clearSearch();
-            this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus");
-        },
-
-        // abstract
-        focusSearch: function () {
-            focus(this.search);
-        },
-
-        // abstract
-        selectHighlighted: function (options) {
-            if (this._touchMoved) {
-              this.clearTouchMoved();
-              return;
-            }
-            var index=this.highlight(),
-                highlighted=this.results.find(".select2-highlighted"),
-                data = highlighted.closest('.select2-result').data("select2-data");
-
-            if (data) {
-                this.highlight(index);
-                this.onSelect(data, options);
-            } else if (options && options.noFocus) {
-                this.close();
-            }
-        },
-
-        // abstract
-        getPlaceholder: function () {
-            var placeholderOption;
-            return this.opts.element.attr("placeholder") ||
-                this.opts.element.attr("data-placeholder") || // jquery 1.4 compat
-                this.opts.element.data("placeholder") ||
-                this.opts.placeholder ||
-                ((placeholderOption = this.getPlaceholderOption()) !== undefined ? placeholderOption.text() : undefined);
-        },
-
-        // abstract
-        getPlaceholderOption: function() {
-            if (this.select) {
-                var firstOption = this.select.children('option').first();
-                if (this.opts.placeholderOption !== undefined ) {
-                    //Determine the placeholder option based on the specified placeholderOption setting
-                    return (this.opts.placeholderOption === "first" && firstOption) ||
-                           (typeof this.opts.placeholderOption === "function" && this.opts.placeholderOption(this.select));
-                } else if ($.trim(firstOption.text()) === "" && firstOption.val() === "") {
-                    //No explicit placeholder option specified, use the first if it's blank
-                    return firstOption;
-                }
-            }
-        },
-
-        /**
-         * Get the desired width for the container element.  This is
-         * derived first from option `width` passed to select2, then
-         * the inline 'style' on the original element, and finally
-         * falls back to the jQuery calculated element width.
-         */
-        // abstract
-        initContainerWidth: function () {
-            function resolveContainerWidth() {
-                var style, attrs, matches, i, l, attr;
-
-                if (this.opts.width === "off") {
-                    return null;
-                } else if (this.opts.width === "element"){
-                    return this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px';
-                } else if (this.opts.width === "copy" || this.opts.width === "resolve") {
-                    // check if there is inline style on the element that contains width
-                    style = this.opts.element.attr('style');
-                    if (style !== undefined) {
-                        attrs = style.split(';');
-                        for (i = 0, l = attrs.length; i < l; i = i + 1) {
-                            attr = attrs[i].replace(/\s/g, '');
-                            matches = attr.match(/^width:(([-+]?([0-9]*\.)?[0-9]+)(px|em|ex|%|in|cm|mm|pt|pc))/i);
-                            if (matches !== null && matches.length >= 1)
-                                return matches[1];
-                        }
-                    }
-
-                    if (this.opts.width === "resolve") {
-                        // next check if css('width') can resolve a width that is percent based, this is sometimes possible
-                        // when attached to input type=hidden or elements hidden via css
-                        style = this.opts.element.css('width');
-                        if (style.indexOf("%") > 0) return style;
-
-                        // finally, fallback on the calculated width of the element
-                        return (this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px');
-                    }
-
-                    return null;
-                } else if ($.isFunction(this.opts.width)) {
-                    return this.opts.width();
-                } else {
-                    return this.opts.width;
-               }
-            };
-
-            var width = resolveContainerWidth.call(this);
-            if (width !== null) {
-                this.container.css("width", width);
-            }
-        }
-    });
-
-    SingleSelect2 = clazz(AbstractSelect2, {
-
-        // single
-
-        createContainer: function () {
-            var container = $(document.createElement("div")).attr({
-                "class": "select2-container"
-            }).html([
-                "<a href='javascript:void(0)' class='select2-choice' tabindex='-1'>",
-                "   <span class='select2-chosen'>&#160;</span><abbr class='select2-search-choice-close'></abbr>",
-                "   <span class='select2-arrow' role='presentation'><b role='presentation'></b></span>",
-                "</a>",
-                "<label for='' class='select2-offscreen'></label>",
-                "<input class='select2-focusser select2-offscreen' type='text' aria-haspopup='true' role='button' />",
-                "<div class='select2-drop select2-display-none'>",
-                "   <div class='select2-search'>",
-                "       <label for='' class='select2-offscreen'></label>",
-                "       <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input' role='combobox' aria-expanded='true'",
-                "       aria-autocomplete='list' />",
-                "   </div>",
-                "   <ul class='select2-results' role='listbox'>",
-                "   </ul>",
-                "</div>"].join(""));
-            return container;
-        },
-
-        // single
-        enableInterface: function() {
-            if (this.parent.enableInterface.apply(this, arguments)) {
-                this.focusser.prop("disabled", !this.isInterfaceEnabled());
-            }
-        },
-
-        // single
-        opening: function () {
-            var el, range, len;
-
-            if (this.opts.minimumResultsForSearch >= 0) {
-                this.showSearch(true);
-            }
-
-            this.parent.opening.apply(this, arguments);
-
-            if (this.showSearchInput !== false) {
-                // IE appends focusser.val() at the end of field :/ so we manually insert it at the beginning using a range
-                // all other browsers handle this just fine
-
-                this.search.val(this.focusser.val());
-            }
-            if (this.opts.shouldFocusInput(this)) {
-                this.search.focus();
-                // move the cursor to the end after focussing, otherwise it will be at the beginning and
-                // new text will appear *before* focusser.val()
-                el = this.search.get(0);
-                if (el.createTextRange) {
-                    range = el.createTextRange();
-                    range.collapse(false);
-                    range.select();
-                } else if (el.setSelectionRange) {
-                    len = this.search.val().length;
-                    el.setSelectionRange(len, len);
-                }
-            }
-
-            // initializes search's value with nextSearchTerm (if defined by user)
-            // ignore nextSearchTerm if the dropdown is opened by the user pressing a letter
-            if(this.search.val() === "") {
-                if(this.nextSearchTerm != undefined){
-                    this.search.val(this.nextSearchTerm);
-                    this.search.select();
-                }
-            }
-
-            this.focusser.prop("disabled", true).val("");
-            this.updateResults(true);
-            this.opts.element.trigger($.Event("select2-open"));
-        },
-
-        // single
-        close: function () {
-            if (!this.opened()) return;
-            this.parent.close.apply(this, arguments);
-
-            this.focusser.prop("disabled", false);
-
-            if (this.opts.shouldFocusInput(this)) {
-                this.focusser.focus();
-            }
-        },
-
-        // single
-        focus: function () {
-            if (this.opened()) {
-                this.close();
-            } else {
-                this.focusser.prop("disabled", false);
-                if (this.opts.shouldFocusInput(this)) {
-                    this.focusser.focus();
-                }
-            }
-        },
-
-        // single
-        isFocused: function () {
-            return this.container.hasClass("select2-container-active");
-        },
-
-        // single
-        cancel: function () {
-            this.parent.cancel.apply(this, arguments);
-            this.focusser.prop("disabled", false);
-
-            if (this.opts.shouldFocusInput(this)) {
-                this.focusser.focus();
-            }
-        },
-
-        // single
-        destroy: function() {
-            $("label[for='" + this.focusser.attr('id') + "']")
-                .attr('for', this.opts.element.attr("id"));
-            this.parent.destroy.apply(this, arguments);
-
-            cleanupJQueryElements.call(this,
-                "selection",
-                "focusser"
-            );
-        },
-
-        // single
-        initContainer: function () {
-
-            var selection,
-                container = this.container,
-                dropdown = this.dropdown,
-                idSuffix = nextUid(),
-                elementLabel;
-
-            if (this.opts.minimumResultsForSearch < 0) {
-                this.showSearch(false);
-            } else {
-                this.showSearch(true);
-            }
-
-            this.selection = selection = container.find(".select2-choice");
-
-            this.focusser = container.find(".select2-focusser");
-
-            // add aria associations
-            selection.find(".select2-chosen").attr("id", "select2-chosen-"+idSuffix);
-            this.focusser.attr("aria-labelledby", "select2-chosen-"+idSuffix);
-            this.results.attr("id", "select2-results-"+idSuffix);
-            this.search.attr("aria-owns", "select2-results-"+idSuffix);
-
-            // rewrite labels from original element to focusser
-            this.focusser.attr("id", "s2id_autogen"+idSuffix);
-
-            elementLabel = $("label[for='" + this.opts.element.attr("id") + "']");
-            this.opts.element.focus(this.bind(function () { this.focus(); }));
-
-            this.focusser.prev()
-                .text(elementLabel.text())
-                .attr('for', this.focusser.attr('id'));
-
-            // Ensure the original element retains an accessible name
-            var originalTitle = this.opts.element.attr("title");
-            this.opts.element.attr("title", (originalTitle || elementLabel.text()));
-
-            this.focusser.attr("tabindex", this.elementTabIndex);
-
-            // write label for search field using the label from the focusser element
-            this.search.attr("id", this.focusser.attr('id') + '_search');
-
-            this.search.prev()
-                .text($("label[for='" + this.focusser.attr('id') + "']").text())
-                .attr('for', this.search.attr('id'));
-
-            this.search.on("keydown", this.bind(function (e) {
-                if (!this.isInterfaceEnabled()) return;
-
-                // filter 229 keyCodes (input method editor is processing key input)
-                if (229 == e.keyCode) return;
-
-                if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) {
-                    // prevent the page from scrolling
-                    killEvent(e);
-                    return;
-                }
-
-                switch (e.which) {
-                    case KEY.UP:
-                    case KEY.DOWN:
-                        this.moveHighlight((e.which === KEY.UP) ? -1 : 1);
-                        killEvent(e);
-                        return;
-                    case KEY.ENTER:
-                        this.selectHighlighted();
-                        killEvent(e);
-                        return;
-                    case KEY.TAB:
-                        this.selectHighlighted({noFocus: true});
-                        return;
-                    case KEY.ESC:
-                        this.cancel(e);
-                        killEvent(e);
-                        return;
-                }
-            }));
-
-            this.search.on("blur", this.bind(function(e) {
-                // a workaround for chrome to keep the search field focussed when the scroll bar is used to scroll the dropdown.
-                // without this the search field loses focus which is annoying
-                if (document.activeElement === this.body.get(0)) {
-                    window.setTimeout(this.bind(function() {
-                        if (this.opened()) {
-                            this.search.focus();
-                        }
-                    }), 0);
-                }
-            }));
-
-            this.focusser.on("keydown", this.bind(function (e) {
-                if (!this.isInterfaceEnabled()) return;
-
-                if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) || e.which === KEY.ESC) {
-                    return;
-                }
-
-                if (this.opts.openOnEnter === false && e.which === KEY.ENTER) {
-                    killEvent(e);
-                    return;
-                }
-
-                if (e.which == KEY.DOWN || e.which == KEY.UP
-                    || (e.which == KEY.ENTER && this.opts.openOnEnter)) {
-
-                    if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) return;
-
-                    this.open();
-                    killEvent(e);
-                    return;
-                }
-
-                if (e.which == KEY.DELETE || e.which == KEY.BACKSPACE) {
-                    if (this.opts.allowClear) {
-                        this.clear();
-                    }
-                    killEvent(e);
-                    return;
-                }
-            }));
-
-
-            installKeyUpChangeEvent(this.focusser);
-            this.focusser.on("keyup-change input", this.bind(function(e) {
-                if (this.opts.minimumResultsForSearch >= 0) {
-                    e.stopPropagation();
-                    if (this.opened()) return;
-                    this.open();
-                }
-            }));
-
-            selection.on("mousedown touchstart", "abbr", this.bind(function (e) {
-                if (!this.isInterfaceEnabled()) {
-                    return;
-                }
-
-                this.clear();
-                killEventImmediately(e);
-                this.close();
-
-                if (this.selection) {
-                    this.selection.focus();
-                }
-            }));
-
-            selection.on("mousedown touchstart", this.bind(function (e) {
-                // Prevent IE from generating a click event on the body
-                reinsertElement(selection);
-
-                if (!this.container.hasClass("select2-container-active")) {
-                    this.opts.element.trigger($.Event("select2-focus"));
-                }
-
-                if (this.opened()) {
-                    this.close();
-                } else if (this.isInterfaceEnabled()) {
-                    this.open();
-                }
-
-                killEvent(e);
-            }));
-
-            dropdown.on("mousedown touchstart", this.bind(function() {
-                if (this.opts.shouldFocusInput(this)) {
-                    this.search.focus();
-                }
-            }));
-
-            selection.on("focus", this.bind(function(e) {
-                killEvent(e);
-            }));
-
-            this.focusser.on("focus", this.bind(function(){
-                if (!this.container.hasClass("select2-container-active")) {
-                    this.opts.element.trigger($.Event("select2-focus"));
-                }
-                this.container.addClass("select2-container-active");
-            })).on("blur", this.bind(function() {
-                if (!this.opened()) {
-                    this.container.removeClass("select2-container-active");
-                    this.opts.element.trigger($.Event("select2-blur"));
-                }
-            }));
-            this.search.on("focus", this.bind(function(){
-                if (!this.container.hasClass("select2-container-active")) {
-                    this.opts.element.trigger($.Event("select2-focus"));
-                }
-                this.container.addClass("select2-container-active");
-            }));
-
-            this.initContainerWidth();
-            this.opts.element.hide();
-            this.setPlaceholder();
-
-        },
-
-        // single
-        clear: function(triggerChange) {
-            var data=this.selection.data("select2-data");
-            if (data) { // guard against queued quick consecutive clicks
-                var evt = $.Event("select2-clearing");
-                this.opts.element.trigger(evt);
-                if (evt.isDefaultPrevented()) {
-                    return;
-                }
-                var placeholderOption = this.getPlaceholderOption();
-                this.opts.element.val(placeholderOption ? placeholderOption.val() : "");
-                this.selection.find(".select2-chosen").empty();
-                this.selection.removeData("select2-data");
-                this.setPlaceholder();
-
-                if (triggerChange !== false){
-                    this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data });
-                    this.triggerChange({removed:data});
-                }
-            }
-        },
-
-        /**
-         * Sets selection based on source element's value
-         */
-        // single
-        initSelection: function () {
-            var selected;
-            if (this.isPlaceholderOptionSelected()) {
-                this.updateSelection(null);
-                this.close();
-                this.setPlaceholder();
-            } else {
-                var self = this;
-                this.opts.initSelection.call(null, this.opts.element, function(selected){
-                    if (selected !== undefined && selected !== null) {
-                        self.updateSelection(selected);
-                        self.close();
-                        self.setPlaceholder();
-                        self.nextSearchTerm = self.opts.nextSearchTerm(selected, self.search.val());
-                    }
-                });
-            }
-        },
-
-        isPlaceholderOptionSelected: function() {
-            var placeholderOption;
-            if (this.getPlaceholder() === undefined) return false; // no placeholder specified so no option should be considered
-            return ((placeholderOption = this.getPlaceholderOption()) !== undefined && placeholderOption.prop("selected"))
-                || (this.opts.element.val() === "")
-                || (this.opts.element.val() === undefined)
-                || (this.opts.element.val() === null);
-        },
-
-        // single
-        prepareOpts: function () {
-            var opts = this.parent.prepareOpts.apply(this, arguments),
-                self=this;
-
-            if (opts.element.get(0).tagName.toLowerCase() === "select") {
-                // install the selection initializer
-                opts.initSelection = function (element, callback) {
-                    var selected = element.find("option").filter(function() { return this.selected && !this.disabled });
-                    // a single select box always has a value, no need to null check 'selected'
-                    callback(self.optionToData(selected));
-                };
-            } else if ("data" in opts) {
-                // install default initSelection when applied to hidden input and data is local
-                opts.initSelection = opts.initSelection || function (element, callback) {
-                    var id = element.val();
-                    //search in data by id, storing the actual matching item
-                    var match = null;
-                    opts.query({
-                        matcher: function(term, text, el){
-                            var is_match = equal(id, opts.id(el));
-                            if (is_match) {
-                                match = el;
-                            }
-                            return is_match;
-                        },
-                        callback: !$.isFunction(callback) ? $.noop : function() {
-                            callback(match);
-                        }
-                    });
-                };
-            }
-
-            return opts;
-        },
-
-        // single
-        getPlaceholder: function() {
-            // if a placeholder is specified on a single select without a valid placeholder option ignore it
-            if (this.select) {
-                if (this.getPlaceholderOption() === undefined) {
-                    return undefined;
-                }
-            }
-
-            return this.parent.getPlaceholder.apply(this, arguments);
-        },
-
-        // single
-        setPlaceholder: function () {
-            var placeholder = this.getPlaceholder();
-
-            if (this.isPlaceholderOptionSelected() && placeholder !== undefined) {
-
-                // check for a placeholder option if attached to a select
-                if (this.select && this.getPlaceholderOption() === undefined) return;
-
-                this.selection.find(".select2-chosen").html(this.opts.escapeMarkup(placeholder));
-
-                this.selection.addClass("select2-default");
-
-                this.container.removeClass("select2-allowclear");
-            }
-        },
-
-        // single
-        postprocessResults: function (data, initial, noHighlightUpdate) {
-            var selected = 0, self = this, showSearchInput = true;
-
-            // find the selected element in the result list
-
-            this.findHighlightableChoices().each2(function (i, elm) {
-                if (equal(self.id(elm.data("select2-data")), self.opts.element.val())) {
-                    selected = i;
-                    return false;
-                }
-            });
-
-            // and highlight it
-            if (noHighlightUpdate !== false) {
-                if (initial === true && selected >= 0) {
-                    this.highlight(selected);
-                } else {
-                    this.highlight(0);
-                }
-            }
-
-            // hide the search box if this is the first we got the results and there are enough of them for search
-
-            if (initial === true) {
-                var min = this.opts.minimumResultsForSearch;
-                if (min >= 0) {
-                    this.showSearch(countResults(data.results) >= min);
-                }
-            }
-        },
-
-        // single
-        showSearch: function(showSearchInput) {
-            if (this.showSearchInput === showSearchInput) return;
-
-            this.showSearchInput = showSearchInput;
-
-            this.dropdown.find(".select2-search").toggleClass("select2-search-hidden", !showSearchInput);
-            this.dropdown.find(".select2-search").toggleClass("select2-offscreen", !showSearchInput);
-            //add "select2-with-searchbox" to the container if search box is shown
-            $(this.dropdown, this.container).toggleClass("select2-with-searchbox", showSearchInput);
-        },
-
-        // single
-        onSelect: function (data, options) {
-
-            if (!this.triggerSelect(data)) { return; }
-
-            var old = this.opts.element.val(),
-                oldData = this.data();
-
-            this.opts.element.val(this.id(data));
-            this.updateSelection(data);
-
-            this.opts.element.trigger({ type: "select2-selected", val: this.id(data), choice: data });
-
-            this.nextSearchTerm = this.opts.nextSearchTerm(data, this.search.val());
-            this.close();
-
-            if ((!options || !options.noFocus) && this.opts.shouldFocusInput(this)) {
-                this.focusser.focus();
-            }
-
-            if (!equal(old, this.id(data))) {
-                this.triggerChange({ added: data, removed: oldData });
-            }
-        },
-
-        // single
-        updateSelection: function (data) {
-
-            var container=this.selection.find(".select2-chosen"), formatted, cssClass;
-
-            this.selection.data("select2-data", data);
-
-            container.empty();
-            if (data !== null) {
-                formatted=this.opts.formatSelection(data, container, this.opts.escapeMarkup);
-            }
-            if (formatted !== undefined) {
-                container.append(formatted);
-            }
-            cssClass=this.opts.formatSelectionCssClass(data, container);
-            if (cssClass !== undefined) {
-                container.addClass(cssClass);
-            }
-
-            this.selection.removeClass("select2-default");
-
-            if (this.opts.allowClear && this.getPlaceholder() !== undefined) {
-                this.container.addClass("select2-allowclear");
-            }
-        },
-
-        // single
-        val: function () {
-            var val,
-                triggerChange = false,
-                data = null,
-                self = this,
-                oldData = this.data();
-
-            if (arguments.length === 0) {
-                return this.opts.element.val();
-            }
-
-            val = arguments[0];
-
-            if (arguments.length > 1) {
-                triggerChange = arguments[1];
-            }
-
-            if (this.select) {
-                this.select
-                    .val(val)
-                    .find("option").filter(function() { return this.selected }).each2(function (i, elm) {
-                        data = self.optionToData(elm);
-                        return false;
-                    });
-                this.updateSelection(data);
-                this.setPlaceholder();
-                if (triggerChange) {
-                    this.triggerChange({added: data, removed:oldData});
-                }
-            } else {
-                // val is an id. !val is true for [undefined,null,'',0] - 0 is legal
-                if (!val && val !== 0) {
-                    this.clear(triggerChange);
-                    return;
-                }
-                if (this.opts.initSelection === undefined) {
-                    throw new Error("cannot call val() if initSelection() is not defined");
-                }
-                this.opts.element.val(val);
-                this.opts.initSelection(this.opts.element, function(data){
-                    self.opts.element.val(!data ? "" : self.id(data));
-                    self.updateSelection(data);
-                    self.setPlaceholder();
-                    if (triggerChange) {
-                        self.triggerChange({added: data, removed:oldData});
-                    }
-                });
-            }
-        },
-
-        // single
-        clearSearch: function () {
-            this.search.val("");
-            this.focusser.val("");
-        },
-
-        // single
-        data: function(value) {
-            var data,
-                triggerChange = false;
-
-            if (arguments.length === 0) {
-                data = this.selection.data("select2-data");
-                if (data == undefined) data = null;
-                return data;
-            } else {
-                if (arguments.length > 1) {
-                    triggerChange = arguments[1];
-                }
-                if (!value) {
-                    this.clear(triggerChange);
-                } else {
-                    data = this.data();
-                    this.opts.element.val(!value ? "" : this.id(value));
-                    this.updateSelection(value);
-                    if (triggerChange) {
-                        this.triggerChange({added: value, removed:data});
-                    }
-                }
-            }
-        }
-    });
-
-    MultiSelect2 = clazz(AbstractSelect2, {
-
-        // multi
-        createContainer: function () {
-            var container = $(document.createElement("div")).attr({
-                "class": "select2-container select2-container-multi"
-            }).html([
-                "<ul class='select2-choices'>",
-                "  <li class='select2-search-field'>",
-                "    <label for='' class='select2-offscreen'></label>",
-                "    <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input'>",
-                "  </li>",
-                "</ul>",
-                "<div class='select2-drop select2-drop-multi select2-display-none'>",
-                "   <ul class='select2-results'>",
-                "   </ul>",
-                "</div>"].join(""));
-            return container;
-        },
-
-        // multi
-        prepareOpts: function () {
-            var opts = this.parent.prepareOpts.apply(this, arguments),
-                self=this;
-
-            // TODO validate placeholder is a string if specified
-            if (opts.element.get(0).tagName.toLowerCase() === "select") {
-                // install the selection initializer
-                opts.initSelection = function (element, callback) {
-
-                    var data = [];
-
-                    element.find("option").filter(function() { return this.selected && !this.disabled }).each2(function (i, elm) {
-                        data.push(self.optionToData(elm));
-                    });
-                    callback(data);
-                };
-            } else if ("data" in opts) {
-                // install default initSelection when applied to hidden input and data is local
-                opts.initSelection = opts.initSelection || function (element, callback) {
-                    var ids = splitVal(element.val(), opts.separator, opts.transformVal);
-                    //search in data by array of ids, storing matching items in a list
-                    var matches = [];
-                    opts.query({
-                        matcher: function(term, text, el){
-                            var is_match = $.grep(ids, function(id) {
-                                return equal(id, opts.id(el));
-                            }).length;
-                            if (is_match) {
-                                matches.push(el);
-                            }
-                            return is_match;
-                        },
-                        callback: !$.isFunction(callback) ? $.noop : function() {
-                            // reorder matches based on the order they appear in the ids array because right now
-                            // they are in the order in which they appear in data array
-                            var ordered = [];
-                            for (var i = 0; i < ids.length; i++) {
-                                var id = ids[i];
-                                for (var j = 0; j < matches.length; j++) {
-                                    var match = matches[j];
-                                    if (equal(id, opts.id(match))) {
-                                        ordered.push(match);
-                                        matches.splice(j, 1);
-                                        break;
-                                    }
-                                }
-                            }
-                            callback(ordered);
-                        }
-                    });
-                };
-            }
-
-            return opts;
-        },
-
-        // multi
-        selectChoice: function (choice) {
-
-            var selected = this.container.find(".select2-search-choice-focus");
-            if (selected.length && choice && choice[0] == selected[0]) {
-
-            } else {
-                if (selected.length) {
-                    this.opts.element.trigger("choice-deselected", selected);
-                }
-                selected.removeClass("select2-search-choice-focus");
-                if (choice && choice.length) {
-                    this.close();
-                    choice.addClass("select2-search-choice-focus");
-                    this.opts.element.trigger("choice-selected", choice);
-                }
-            }
-        },
-
-        // multi
-        destroy: function() {
-            $("label[for='" + this.search.attr('id') + "']")
-                .attr('for', this.opts.element.attr("id"));
-            this.parent.destroy.apply(this, arguments);
-
-            cleanupJQueryElements.call(this,
-                "searchContainer",
-                "selection"
-            );
-        },
-
-        // multi
-        initContainer: function () {
-
-            var selector = ".select2-choices", selection;
-
-            this.searchContainer = this.container.find(".select2-search-field");
-            this.selection = selection = this.container.find(selector);
-
-            var _this = this;
-            this.selection.on("click", ".select2-container:not(.select2-container-disabled) .select2-search-choice:not(.select2-locked)", function (e) {
-                _this.search[0].focus();
-                _this.selectChoice($(this));
-            });
-
-            // rewrite labels from original element to focusser
-            this.search.attr("id", "s2id_autogen"+nextUid());
-
-            this.search.prev()
-                .text($("label[for='" + this.opts.element.attr("id") + "']").text())
-                .attr('for', this.search.attr('id'));
-            this.opts.element.focus(this.bind(function () { this.focus(); }));
-
-            this.search.on("input paste", this.bind(function() {
-                if (this.search.attr('placeholder') && this.search.val().length == 0) return;
-                if (!this.isInterfaceEnabled()) return;
-                if (!this.opened()) {
-                    this.open();
-                }
-            }));
-
-            this.search.attr("tabindex", this.elementTabIndex);
-
-            this.keydowns = 0;
-            this.search.on("keydown", this.bind(function (e) {
-                if (!this.isInterfaceEnabled()) return;
-
-                ++this.keydowns;
-                var selected = selection.find(".select2-search-choice-focus");
-                var prev = selected.prev(".select2-search-choice:not(.select2-locked)");
-                var next = selected.next(".select2-search-choice:not(.select2-locked)");
-                var pos = getCursorInfo(this.search);
-
-                if (selected.length &&
-                    (e.which == KEY.LEFT || e.which == KEY.RIGHT || e.which == KEY.BACKSPACE || e.which == KEY.DELETE || e.which == KEY.ENTER)) {
-                    var selectedChoice = selected;
-                    if (e.which == KEY.LEFT && prev.length) {
-                        selectedChoice = prev;
-                    }
-                    else if (e.which == KEY.RIGHT) {
-                        selectedChoice = next.length ? next : null;
-                    }
-                    else if (e.which === KEY.BACKSPACE) {
-                        if (this.unselect(selected.first())) {
-                            this.search.width(10);
-                            selectedChoice = prev.length ? prev : next;
-                        }
-                    } else if (e.which == KEY.DELETE) {
-                        if (this.unselect(selected.first())) {
-                            this.search.width(10);
-                            selectedChoice = next.length ? next : null;
-                        }
-                    } else if (e.which == KEY.ENTER) {
-                        selectedChoice = null;
-                    }
-
-                    this.selectChoice(selectedChoice);
-                    killEvent(e);
-                    if (!selectedChoice || !selectedChoice.length) {
-                        this.open();
-                    }
-                    return;
-                } else if (((e.which === KEY.BACKSPACE && this.keydowns == 1)
-                    || e.which == KEY.LEFT) && (pos.offset == 0 && !pos.length)) {
-
-                    this.selectChoice(selection.find(".select2-search-choice:not(.select2-locked)").last());
-                    killEvent(e);
-                    return;
-                } else {
-                    this.selectChoice(null);
-                }
-
-                if (this.opened()) {
-                    switch (e.which) {
-                    case KEY.UP:
-                    case KEY.DOWN:
-                        this.moveHighlight((e.which === KEY.UP) ? -1 : 1);
-                        killEvent(e);
-                        return;
-                    case KEY.ENTER:
-                        this.selectHighlighted();
-                        killEvent(e);
-                        return;
-                    case KEY.TAB:
-                        this.selectHighlighted({noFocus:true});
-                        this.close();
-                        return;
-                    case KEY.ESC:
-                        this.cancel(e);
-                        killEvent(e);
-                        return;
-                    }
-                }
-
-                if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e)
-                 || e.which === KEY.BACKSPACE || e.which === KEY.ESC) {
-                    return;
-                }
-
-                if (e.which === KEY.ENTER) {
-                    if (this.opts.openOnEnter === false) {
-                        return;
-                    } else if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) {
-                        return;
-                    }
-                }
-
-                this.open();
-
-                if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) {
-                    // prevent the page from scrolling
-                    killEvent(e);
-                }
-
-                if (e.which === KEY.ENTER) {
-                    // prevent form from being submitted
-                    killEvent(e);
-                }
-
-            }));
-
-            this.search.on("keyup", this.bind(function (e) {
-                this.keydowns = 0;
-                this.resizeSearch();
-            })
-            );
-
-            this.search.on("blur", this.bind(function(e) {
-                this.container.removeClass("select2-container-active");
-                this.search.removeClass("select2-focused");
-                this.selectChoice(null);
-                if (!this.opened()) this.clearSearch();
-                e.stopImmediatePropagation();
-                this.opts.element.trigger($.Event("select2-blur"));
-            }));
-
-            this.container.on("click", selector, this.bind(function (e) {
-                if (!this.isInterfaceEnabled()) return;
-                if ($(e.target).closest(".select2-search-choice").length > 0) {
-                    // clicked inside a select2 search choice, do not open
-                    return;
-                }
-                this.selectChoice(null);
-                this.clearPlaceholder();
-                if (!this.container.hasClass("select2-container-active")) {
-                    this.opts.element.trigger($.Event("select2-focus"));
-                }
-                this.open();
-                this.focusSearch();
-                e.preventDefault();
-            }));
-
-            this.container.on("focus", selector, this.bind(function () {
-                if (!this.isInterfaceEnabled()) return;
-                if (!this.container.hasClass("select2-container-active")) {
-                    this.opts.element.trigger($.Event("select2-focus"));
-                }
-                this.container.addClass("select2-container-active");
-                this.dropdown.addClass("select2-drop-active");
-                this.clearPlaceholder();
-            }));
-
-            this.initContainerWidth();
-            this.opts.element.hide();
-
-            // set the placeholder if necessary
-            this.clearSearch();
-        },
-
-        // multi
-        enableInterface: function() {
-            if (this.parent.enableInterface.apply(this, arguments)) {
-                this.search.prop("disabled", !this.isInterfaceEnabled());
-            }
-        },
-
-        // multi
-        initSelection: function () {
-            var data;
-            if (this.opts.element.val() === "" && this.opts.element.text() === "") {
-                this.updateSelection([]);
-                this.close();
-                // set the placeholder if necessary
-                this.clearSearch();
-            }
-            if (this.select || this.opts.element.val() !== "") {
-                var self = this;
-                this.opts.initSelection.call(null, this.opts.element, function(data){
-                    if (data !== undefined && data !== null) {
-                        self.updateSelection(data);
-                        self.close();
-                        // set the placeholder if necessary
-                        self.clearSearch();
-                    }
-                });
-            }
-        },
-
-        // multi
-        clearSearch: function () {
-            var placeholder = this.getPlaceholder(),
-                maxWidth = this.getMaxSearchWidth();
-
-            if (placeholder !== undefined  && this.getVal().length === 0 && this.search.hasClass("select2-focused") === false) {
-                this.search.val(placeholder).addClass("select2-default");
-                // stretch the search box to full width of the container so as much of the placeholder is visible as possible
-                // we could call this.resizeSearch(), but we do not because that requires a sizer and we do not want to create one so early because of a firefox bug, see #944
-                this.search.width(maxWidth > 0 ? maxWidth : this.container.css("width"));
-            } else {
-                this.search.val("").width(10);
-            }
-        },
-
-        // multi
-        clearPlaceholder: function () {
-            if (this.search.hasClass("select2-default")) {
-                this.search.val("").removeClass("select2-default");
-            }
-        },
-
-        // multi
-        opening: function () {
-            this.clearPlaceholder(); // should be done before super so placeholder is not used to search
-            this.resizeSearch();
-
-            this.parent.opening.apply(this, arguments);
-
-            this.focusSearch();
-
-            // initializes search's value with nextSearchTerm (if defined by user)
-            // ignore nextSearchTerm if the dropdown is opened by the user pressing a letter
-            if(this.search.val() === "") {
-                if(this.nextSearchTerm != undefined){
-                    this.search.val(this.nextSearchTerm);
-                    this.search.select();
-                }
-            }
-
-            this.updateResults(true);
-            if (this.opts.shouldFocusInput(this)) {
-                this.search.focus();
-            }
-            this.opts.element.trigger($.Event("select2-open"));
-        },
-
-        // multi
-        close: function () {
-            if (!this.opened()) return;
-            this.parent.close.apply(this, arguments);
-        },
-
-        // multi
-        focus: function () {
-            this.close();
-            this.search.focus();
-        },
-
-        // multi
-        isFocused: function () {
-            return this.search.hasClass("select2-focused");
-        },
-
-        // multi
-        updateSelection: function (data) {
-            var ids = [], filtered = [], self = this;
-
-            // filter out duplicates
-            $(data).each(function () {
-                if (indexOf(self.id(this), ids) < 0) {
-                    ids.push(self.id(this));
-                    filtered.push(this);
-                }
-            });
-            data = filtered;
-
-            this.selection.find(".select2-search-choice").remove();
-            $(data).each(function () {
-                self.addSelectedChoice(this);
-            });
-            self.postprocessResults();
-        },
-
-        // multi
-        tokenize: function() {
-            var input = this.search.val();
-            input = this.opts.tokenizer.call(this, input, this.data(), this.bind(this.onSelect), this.opts);
-            if (input != null && input != undefined) {
-                this.search.val(input);
-                if (input.length > 0) {
-                    this.open();
-                }
-            }
-
-        },
-
-        // multi
-        onSelect: function (data, options) {
-
-            if (!this.triggerSelect(data) || data.text === "") { return; }
-
-            this.addSelectedChoice(data);
-
-            this.opts.element.trigger({ type: "selected", val: this.id(data), choice: data });
-
-            // keep track of the search's value before it gets cleared
-            this.nextSearchTerm = this.opts.nextSearchTerm(data, this.search.val());
-
-            this.clearSearch();
-            this.updateResults();
-
-            if (this.select || !this.opts.closeOnSelect) this.postprocessResults(data, false, this.opts.closeOnSelect===true);
-
-            if (this.opts.closeOnSelect) {
-                this.close();
-                this.search.width(10);
-            } else {
-                if (this.countSelectableResults()>0) {
-                    this.search.width(10);
-                    this.resizeSearch();
-                    if (this.getMaximumSelectionSize() > 0 && this.val().length >= this.getMaximumSelectionSize()) {
-                        // if we reached max selection size repaint the results so choices
-                        // are replaced with the max selection reached message
-                        this.updateResults(true);
-                    } else {
-                        // initializes search's value with nextSearchTerm and update search result
-                        if(this.nextSearchTerm != undefined){
-                            this.search.val(this.nextSearchTerm);
-                            this.updateResults();
-                            this.search.select();
-                        }
-                    }
-                    this.positionDropdown();
-                } else {
-                    // if nothing left to select close
-                    this.close();
-                    this.search.width(10);
-                }
-            }
-
-            // since its not possible to select an element that has already been
-            // added we do not need to check if this is a new element before firing change
-            this.triggerChange({ added: data });
-
-            if (!options || !options.noFocus)
-                this.focusSearch();
-        },
-
-        // multi
-        cancel: function () {
-            this.close();
-            this.focusSearch();
-        },
-
-        addSelectedChoice: function (data) {
-            var enableChoice = !data.locked,
-                enabledItem = $(
-                    "<li class='select2-search-choice'>" +
-                    "    <div></div>" +
-                    "    <a href='#' class='select2-search-choice-close' tabindex='-1'></a>" +
-                    "</li>"),
-                disabledItem = $(
-                    "<li class='select2-search-choice select2-locked'>" +
-                    "<div></div>" +
-                    "</li>");
-            var choice = enableChoice ? enabledItem : disabledItem,
-                id = this.id(data),
-                val = this.getVal(),
-                formatted,
-                cssClass;
-
-            formatted=this.opts.formatSelection(data, choice.find("div"), this.opts.escapeMarkup);
-            if (formatted != undefined) {
-                choice.find("div").replaceWith($("<div></div>").html(formatted));
-            }
-            cssClass=this.opts.formatSelectionCssClass(data, choice.find("div"));
-            if (cssClass != undefined) {
-                choice.addClass(cssClass);
-            }
-
-            if(enableChoice){
-              choice.find(".select2-search-choice-close")
-                  .on("mousedown", killEvent)
-                  .on("click dblclick", this.bind(function (e) {
-                  if (!this.isInterfaceEnabled()) return;
-
-                  this.unselect($(e.target));
-                  this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus");
-                  killEvent(e);
-                  this.close();
-                  this.focusSearch();
-              })).on("focus", this.bind(function () {
-                  if (!this.isInterfaceEnabled()) return;
-                  this.container.addClass("select2-container-active");
-                  this.dropdown.addClass("select2-drop-active");
-              }));
-            }
-
-            choice.data("select2-data", data);
-            choice.insertBefore(this.searchContainer);
-
-            val.push(id);
-            this.setVal(val);
-        },
-
-        // multi
-        unselect: function (selected) {
-            var val = this.getVal(),
-                data,
-                index;
-            selected = selected.closest(".select2-search-choice");
-
-            if (selected.length === 0) {
-                throw "Invalid argument: " + selected + ". Must be .select2-search-choice";
-            }
-
-            data = selected.data("select2-data");
-
-            if (!data) {
-                // prevent a race condition when the 'x' is clicked really fast repeatedly the event can be queued
-                // and invoked on an element already removed
-                return;
-            }
-
-            var evt = $.Event("select2-removing");
-            evt.val = this.id(data);
-            evt.choice = data;
-            this.opts.element.trigger(evt);
-
-            if (evt.isDefaultPrevented()) {
-                return false;
-            }
-
-            while((index = indexOf(this.id(data), val)) >= 0) {
-                val.splice(index, 1);
-                this.setVal(val);
-                if (this.select) this.postprocessResults();
-            }
-
-            selected.remove();
-
-            this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data });
-            this.triggerChange({ removed: data });
-
-            return true;
-        },
-
-        // multi
-        postprocessResults: function (data, initial, noHighlightUpdate) {
-            var val = this.getVal(),
-                choices = this.results.find(".select2-result"),
-                compound = this.results.find(".select2-result-with-children"),
-                self = this;
-
-            choices.each2(function (i, choice) {
-                var id = self.id(choice.data("select2-data"));
-                if (indexOf(id, val) >= 0) {
-                    choice.addClass("select2-selected");
-                    // mark all children of the selected parent as selected
-                    choice.find(".select2-result-selectable").addClass("select2-selected");
-                }
-            });
-
-            compound.each2(function(i, choice) {
-                // hide an optgroup if it doesn't have any selectable children
-                if (!choice.is('.select2-result-selectable')
-                    && choice.find(".select2-result-selectable:not(.select2-selected)").length === 0) {
-                    choice.addClass("select2-selected");
-                }
-            });
-
-            if (this.highlight() == -1 && noHighlightUpdate !== false && this.opts.closeOnSelect === true){
-                self.highlight(0);
-            }
-
-            //If all results are chosen render formatNoMatches
-            if(!this.opts.createSearchChoice && !choices.filter('.select2-result:not(.select2-selected)').length > 0){
-                if(!data || data && !data.more && this.results.find(".select2-no-results").length === 0) {
-                    if (checkFormatter(self.opts.formatNoMatches, "formatNoMatches")) {
-                        this.results.append("<li class='select2-no-results'>" + evaluate(self.opts.formatNoMatches, self.opts.element, self.search.val()) + "</li>");
-                    }
-                }
-            }
-
-        },
-
-        // multi
-        getMaxSearchWidth: function() {
-            return this.selection.width() - getSideBorderPadding(this.search);
-        },
-
-        // multi
-        resizeSearch: function () {
-            var minimumWidth, left, maxWidth, containerLeft, searchWidth,
-                sideBorderPadding = getSideBorderPadding(this.search);
-
-            minimumWidth = measureTextWidth(this.search) + 10;
-
-            left = this.search.offset().left;
-
-            maxWidth = this.selection.width();
-            containerLeft = this.selection.offset().left;
-
-            searchWidth = maxWidth - (left - containerLeft) - sideBorderPadding;
-
-            if (searchWidth < minimumWidth) {
-                searchWidth = maxWidth - sideBorderPadding;
-            }
-
-            if (searchWidth < 40) {
-                searchWidth = maxWidth - sideBorderPadding;
-            }
-
-            if (searchWidth <= 0) {
-              searchWidth = minimumWidth;
-            }
-
-            this.search.width(Math.floor(searchWidth));
-        },
-
-        // multi
-        getVal: function () {
-            var val;
-            if (this.select) {
-                val = this.select.val();
-                return val === null ? [] : val;
-            } else {
-                val = this.opts.element.val();
-                return splitVal(val, this.opts.separator, this.opts.transformVal);
-            }
-        },
-
-        // multi
-        setVal: function (val) {
-            var unique;
-            if (this.select) {
-                this.select.val(val);
-            } else {
-                unique = [];
-                // filter out duplicates
-                $(val).each(function () {
-                    if (indexOf(this, unique) < 0) unique.push(this);
-                });
-                this.opts.element.val(unique.length === 0 ? "" : unique.join(this.opts.separator));
-            }
-        },
-
-        // multi
-        buildChangeDetails: function (old, current) {
-            var current = current.slice(0),
-                old = old.slice(0);
-
-            // remove intersection from each array
-            for (var i = 0; i < current.length; i++) {
-                for (var j = 0; j < old.length; j++) {
-                    if (equal(this.opts.id(current[i]), this.opts.id(old[j]))) {
-                        current.splice(i, 1);
-                        if(i>0){
-                            i--;
-                        }
-                        old.splice(j, 1);
-                        j--;
-                    }
-                }
-            }
-
-            return {added: current, removed: old};
-        },
-
-
-        // multi
-        val: function (val, triggerChange) {
-            var oldData, self=this;
-
-            if (arguments.length === 0) {
-                return this.getVal();
-            }
-
-            oldData=this.data();
-            if (!oldData.length) oldData=[];
-
-            // val is an id. !val is true for [undefined,null,'',0] - 0 is legal
-            if (!val && val !== 0) {
-                this.opts.element.val("");
-                this.updateSelection([]);
-                this.clearSearch();
-                if (triggerChange) {
-                    this.triggerChange({added: this.data(), removed: oldData});
-                }
-                return;
-            }
-
-            // val is a list of ids
-            this.setVal(val);
-
-            if (this.select) {
-                this.opts.initSelection(this.select, this.bind(this.updateSelection));
-                if (triggerChange) {
-                    this.triggerChange(this.buildChangeDetails(oldData, this.data()));
-                }
-            } else {
-                if (this.opts.initSelection === undefined) {
-                    throw new Error("val() cannot be called if initSelection() is not defined");
-                }
-
-                this.opts.initSelection(this.opts.element, function(data){
-                    var ids=$.map(data, self.id);
-                    self.setVal(ids);
-                    self.updateSelection(data);
-                    self.clearSearch();
-                    if (triggerChange) {
-                        self.triggerChange(self.buildChangeDetails(oldData, self.data()));
-                    }
-                });
-            }
-            this.clearSearch();
-        },
-
-        // multi
-        onSortStart: function() {
-            if (this.select) {
-                throw new Error("Sorting of elements is not supported when attached to <select>. Attach to <input type='hidden'/> instead.");
-            }
-
-            // collapse search field into 0 width so its container can be collapsed as well
-            this.search.width(0);
-            // hide the container
-            this.searchContainer.hide();
-        },
-
-        // multi
-        onSortEnd:function() {
-
-            var val=[], self=this;
-
-            // show search and move it to the end of the list
-            this.searchContainer.show();
-            // make sure the search container is the last item in the list
-            this.searchContainer.appendTo(this.searchContainer.parent());
-            // since we collapsed the width in dragStarted, we resize it here
-            this.resizeSearch();
-
-            // update selection
-            this.selection.find(".select2-search-choice").each(function() {
-                val.push(self.opts.id($(this).data("select2-data")));
-            });
-            this.setVal(val);
-            this.triggerChange();
-        },
-
-        // multi
-        data: function(values, triggerChange) {
-            var self=this, ids, old;
-            if (arguments.length === 0) {
-                 return this.selection
-                     .children(".select2-search-choice")
-                     .map(function() { return $(this).data("select2-data"); })
-                     .get();
-            } else {
-                old = this.data();
-                if (!values) { values = []; }
-                ids = $.map(values, function(e) { return self.opts.id(e); });
-                this.setVal(ids);
-                this.updateSelection(values);
-                this.clearSearch();
-                if (triggerChange) {
-                    this.triggerChange(this.buildChangeDetails(old, this.data()));
-                }
-            }
-        }
-    });
-
-    $.fn.select2 = function () {
-
-        var args = Array.prototype.slice.call(arguments, 0),
-            opts,
-            select2,
-            method, value, multiple,
-            allowedMethods = ["val", "destroy", "opened", "open", "close", "focus", "isFocused", "container", "dropdown", "onSortStart", "onSortEnd", "enable", "disable", "readonly", "positionDropdown", "data", "search"],
-            valueMethods = ["opened", "isFocused", "container", "dropdown"],
-            propertyMethods = ["val", "data"],
-            methodsMap = { search: "externalSearch" };
-
-        this.each(function () {
-            if (args.length === 0 || typeof(args[0]) === "object") {
-                opts = args.length === 0 ? {} : $.extend({}, args[0]);
-                opts.element = $(this);
-
-                if (opts.element.get(0).tagName.toLowerCase() === "select") {
-                    multiple = opts.element.prop("multiple");
-                } else {
-                    multiple = opts.multiple || false;
-                    if ("tags" in opts) {opts.multiple = multiple = true;}
-                }
-
-                select2 = multiple ? new window.Select2["class"].multi() : new window.Select2["class"].single();
-                select2.init(opts);
-            } else if (typeof(args[0]) === "string") {
-
-                if (indexOf(args[0], allowedMethods) < 0) {
-                    throw "Unknown method: " + args[0];
-                }
-
-                value = undefined;
-                select2 = $(this).data("select2");
-                if (select2 === undefined) return;
-
-                method=args[0];
-
-                if (method === "container") {
-                    value = select2.container;
-                } else if (method === "dropdown") {
-                    value = select2.dropdown;
-                } else {
-                    if (methodsMap[method]) method = methodsMap[method];
-
-                    value = select2[method].apply(select2, args.slice(1));
-                }
-                if (indexOf(args[0], valueMethods) >= 0
-                    || (indexOf(args[0], propertyMethods) >= 0 && args.length == 1)) {
-                    return false; // abort the iteration, ready to return first matched value
-                }
-            } else {
-                throw "Invalid arguments to select2 plugin: " + args;
-            }
-        });
-        return (value === undefined) ? this : value;
-    };
-
-    // plugin defaults, accessible to users
-    $.fn.select2.defaults = {
-        width: "copy",
-        loadMorePadding: 0,
-        closeOnSelect: true,
-        openOnEnter: true,
-        containerCss: {},
-        dropdownCss: {},
-        containerCssClass: "",
-        dropdownCssClass: "",
-        formatResult: function(result, container, query, escapeMarkup) {
-            var markup=[];
-            markMatch(this.text(result), query.term, markup, escapeMarkup);
-            return markup.join("");
-        },
-        transformVal: function(val) {
-            return $.trim(val);
-        },
-        formatSelection: function (data, container, escapeMarkup) {
-            return data ? escapeMarkup(this.text(data)) : undefined;
-        },
-        sortResults: function (results, container, query) {
-            return results;
-        },
-        formatResultCssClass: function(data) {return data.css;},
-        formatSelectionCssClass: function(data, container) {return undefined;},
-        minimumResultsForSearch: 0,
-        minimumInputLength: 0,
-        maximumInputLength: null,
-        maximumSelectionSize: 0,
-        id: function (e) { return e == undefined ? null : e.id; },
-        text: function (e) {
-          if (e && this.data && this.data.text) {
-            if ($.isFunction(this.data.text)) {
-              return this.data.text(e);
-            } else {
-              return e[this.data.text];
-            }
-          } else {
-            return e.text;
-          }
-        },
-        matcher: function(term, text) {
-            return stripDiacritics(''+text).toUpperCase().indexOf(stripDiacritics(''+term).toUpperCase()) >= 0;
-        },
-        separator: ",",
-        tokenSeparators: [],
-        tokenizer: defaultTokenizer,
-        escapeMarkup: defaultEscapeMarkup,
-        blurOnChange: false,
-        selectOnBlur: false,
-        adaptContainerCssClass: function(c) { return c; },
-        adaptDropdownCssClass: function(c) { return null; },
-        nextSearchTerm: function(selectedObject, currentSearchTerm) { return undefined; },
-        searchInputPlaceholder: '',
-        createSearchChoicePosition: 'top',
-        shouldFocusInput: function (instance) {
-            // Attempt to detect touch devices
-            var supportsTouchEvents = (('ontouchstart' in window) ||
-                                       (navigator.msMaxTouchPoints > 0));
-
-            // Only devices which support touch events should be special cased
-            if (!supportsTouchEvents) {
-                return true;
-            }
-
-            // Never focus the input if search is disabled
-            if (instance.opts.minimumResultsForSearch < 0) {
-                return false;
-            }
-
-            return true;
-        }
-    };
-
-    $.fn.select2.locales = [];
-
-    $.fn.select2.locales['en'] = {
-         formatMatches: function (matches) { if (matches === 1) { return "One result is available, press enter to select it."; } return matches + " results are available, use up and down arrow keys to navigate."; },
-         formatNoMatches: function () { return "No matches found"; },
-         formatAjaxError: function (jqXHR, textStatus, errorThrown) { return "Loading failed"; },
-         formatInputTooShort: function (input, min) { var n = min - input.length; return "Please enter " + n + " or more character" + (n == 1 ? "" : "s"); },
-         formatInputTooLong: function (input, max) { var n = input.length - max; return "Please delete " + n + " character" + (n == 1 ? "" : "s"); },
-         formatSelectionTooBig: function (limit) { return "You can only select " + limit + " item" + (limit == 1 ? "" : "s"); },
-         formatLoadMore: function (pageNumber) { return "Loading more results…"; },
-         formatSearching: function () { return "Searching…"; }
-    };
-
-    $.extend($.fn.select2.defaults, $.fn.select2.locales['en']);
-
-    $.fn.select2.ajaxDefaults = {
-        transport: $.ajax,
-        params: {
-            type: "GET",
-            cache: false,
-            dataType: "json"
-        }
-    };
-
-    // exports
-    window.Select2 = {
-        query: {
-            ajax: ajax,
-            local: local,
-            tags: tags
-        }, util: {
-            debounce: debounce,
-            markMatch: markMatch,
-            escapeMarkup: defaultEscapeMarkup,
-            stripDiacritics: stripDiacritics
-        }, "class": {
-            "abstract": AbstractSelect2,
-            "single": SingleSelect2,
-            "multi": MultiSelect2
-        }
-    };
-
-}(jQuery));
diff -r 2dd8dcd46738 -r 9e3db98ce306 src/pyams_skin/resources/js/ext/jquery-select2-3.5.2.min.js
--- a/src/pyams_skin/resources/js/ext/jquery-select2-3.5.2.min.js	Fri Feb 09 15:05:12 2018 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
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R=this.opts.element,Q,P=this;R.on("change.select2",this.bind(function(S){if(this.opts.element.data("select2-change-triggered")!==true){this.initSelection()}}));this._sync=this.bind(function(){var T=R.prop("disabled");if(T===m){T=false}this.enable(!T);var S=R.prop("readonly");if(S===m){S=false}this.readonly(S);if(this.container){j(this.container,this.opts.element,this.opts.adaptContainerCssClass);this.container.addClass(C(this.opts.containerCssClass,this.opts.element))}if(this.dropdown){j(this.dropdown,this.opts.element,this.opts.adaptDropdownCssClass);this.dropdown.addClass(C(this.opts.dropdownCssClass,this.opts.element))}});if(R.length&&R[0].attachEvent){R.each(function(){this.attachEvent("onpropertychange",P._sync)})}Q=window.MutationObserver||window.WebKitMutationObserver||window.MozMutationObserver;if(Q!==m){if(this.propertyObserver){delete this.propertyObserver;this.propertyObserver=null}this.propertyObserver=new 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true},enable:function(P){if(P===m){P=true}if(this._enabled===P){return}this._enabled=P;this.opts.element.prop("disabled",!P);this.enableInterface()},disable:function(){this.enable(false)},readonly:function(P){if(P===m){P=false}if(this._readonly===P){return}this._readonly=P;this.opts.element.prop("readonly",P);this.enableInterface()},opened:function(){return(this.container)?this.container.hasClass("select2-dropdown-open"):false},positionDropdown:function(){var R=this.dropdown,aa=this.container,U=aa.offset(),ae=aa.outerHeight(false),af=aa.outerWidth(false),Z=R.outerHeight(false),ac=D(window),ak=ac.width(),X=ac.height(),Q=ac.scrollLeft()+ak,aj=ac.scrollTop()+X,S=U.top+ae,ah=U.left,P=S+Z<=aj,W=(U.top-Z)>=ac.scrollTop(),ab=R.outerWidth(false),am=function(){return ah+ab<=Q},ag=function(){return 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P;if(this.opened()){return false}if(this._enabled===false||this._readonly===true){return false}P=D.Event("select2-opening");this.opts.element.trigger(P);return !P.isDefaultPrevented()},clearDropdownAlignmentPreference:function(){this.container.removeClass("select2-drop-above");this.dropdown.removeClass("select2-drop-above")},open:function(){if(!this.shouldOpen()){return false}this.opening();v.on("mousemove.select2Event",function(P){o.x=P.pageX;o.y=P.pageY});return true},opening:function(){var U=this.containerEventName,P="scroll."+U,S="resize."+U,R="orientationchange."+U,Q;this.container.addClass("select2-dropdown-open").addClass("select2-container-active");this.clearDropdownAlignmentPreference();if(this.dropdown[0]!==this.body.children().last()[0]){this.dropdown.detach().appendTo(this.body)}Q=D("#select2-drop-mask");if(Q.length===0){Q=D(document.createElement("div"));Q.attr("id","select2-drop-mask").attr("class","select2-drop-mask");Q.hide();Q.appendTo(this.body);Q.on("mousedown 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S=this.containerEventName,P="scroll."+S,R="resize."+S,Q="orientationchange."+S;this.container.parents().add(window).each(function(){D(this).off(P).off(R).off(Q)});this.clearDropdownAlignmentPreference();D("#select2-drop-mask").hide();this.dropdown.removeAttr("id");this.dropdown.hide();this.container.removeClass("select2-dropdown-open").removeClass("select2-container-active");this.results.empty();v.off("mousemove.select2Event");this.clearSearch();this.search.removeClass("select2-active");this.opts.element.trigger(D.Event("select2-close"))},externalSearch:function(P){this.open();this.search.val(P);this.updateResults(false)},clearSearch:function(){},getMaximumSelectionSize:function(){return C(this.opts.maximumSelectionSize,this.opts.element)},ensureHighlightVisible:function(){var S=this.results,R,V,Q,U,P,X,W,T;V=this.highlight();if(V<0){return}if(V==0){S.scrollTop(0);return}R=this.findHighlightableChoices().find(".select2-result-label");Q=D(R[V]);T=(Q.offset()||{}).top||0;U=T+Q.outerHeight(true);if(V===R.length-1){W=S.find("li.select2-more-results");if(W.length>0){U=W.offset().top+W.outerHeight(true)}}P=S.offset().top+S.outerHeight(false);if(U>P){S.scrollTop(S.scrollTop()+(U-P))}X=T-S.offset().top;if(X<0&&Q.css("display")!="none"){S.scrollTop(S.scrollTop()+X)}},findHighlightableChoices:function(){return this.results.find(".select2-result-selectable:not(.select2-disabled):not(.select2-selected)")},moveHighlight:function(S){var R=this.findHighlightableChoices(),Q=this.highlight();while(Q>-1&&Q<R.length){Q+=S;var P=D(R[Q]);if(P.hasClass("select2-result-selectable")&&!P.hasClass("select2-disabled")&&!P.hasClass("select2-selected")){this.highlight(Q);break}}},highlight:function(Q){var S=this.findHighlightableChoices(),P,R;if(arguments.length===0){return r(S.filter(".select2-highlighted")[0],S.get())}if(Q>=S.length){Q=S.length-1}if(Q<0){Q=0}this.removeHighlight();P=D(S[Q]);P.addClass("select2-highlighted");this.search.attr("aria-activedescendant",P.find(".select2-result-label").attr("id"));this.ensureHighlightVisible();this.liveRegion.text(P.text());R=P.data("select2-data");if(R){this.opts.element.trigger({type:"select2-highlight",val:this.id(R),choice:R})}},removeHighlight:function(){this.results.find(".select2-highlighted").removeClass("select2-highlighted")},touchMoved:function(){this._touchMoved=true},clearTouchMoved:function(){this._touchMoved=false},countSelectableResults:function(){return this.findHighlightableChoices().length},highlightUnderEvent:function(Q){var P=D(Q.target).closest(".select2-result-selectable");if(P.length>0&&!P.is(".select2-highlighted")){var R=this.findHighlightableChoices();this.highlight(R.index(P))}else{if(P.length==0){this.removeHighlight()}}},loadMoreIfNeeded:function(){var T=this.results,S=T.find("li.select2-more-results"),V,U=this.resultsPage+1,P=this,R=this.search.val(),Q=this.context;if(S.length===0){return}V=S.offset().top-T.offset().top-T.height();if(V<=this.opts.loadMorePadding){S.addClass("select2-active");this.opts.query({element:this.opts.element,term:R,page:U,context:Q,matcher:this.opts.matcher,callback:this.bind(function(W){if(!P.opened()){return}P.opts.populateResults.call(this,T,W.results,{term:R,page:U,context:Q});P.postprocessResults(W,false,false);if(W.more===true){S.detach().appendTo(T).html(P.opts.escapeMarkup(C(P.opts.formatLoadMore,P.opts.element,U+1)));window.setTimeout(function(){P.loadMoreIfNeeded()},10)}else{S.remove()}P.positionDropdown();P.resultsPage=U;P.context=W.context;this.opts.element.trigger({type:"select2-loaded",items:W})})})}},tokenize:function(){},updateResults:function(X){var ab=this.search,V=this.results,P=this.opts,U,aa=this,Y,T=ab.val(),R=D.data(this.container,"select2-last-term"),Z;if(X!==true&&R&&t(T,R)){return}D.data(this.container,"select2-last-term",T);if(X!==true&&(this.showSearchInput===false||!this.opened())){return}function W(){ab.removeClass("select2-active");aa.positionDropdown();if(V.find(".select2-no-results,.select2-selection-limit,.select2-searching").length){aa.liveRegion.text(V.text())}else{aa.liveRegion.text(aa.opts.formatMatches(V.find('.select2-result-selectable:not(".select2-selected")').length))}}function Q(ac){V.html(ac);W()}Z=++this.queryCount;var S=this.getMaximumSelectionSize();if(S>=1){U=this.data();if(D.isArray(U)&&U.length>=S&&y(P.formatSelectionTooBig,"formatSelectionTooBig")){Q("<li class='select2-selection-limit'>"+C(P.formatSelectionTooBig,P.element,S)+"</li>");return}}if(ab.val().length<P.minimumInputLength){if(y(P.formatInputTooShort,"formatInputTooShort")){Q("<li class='select2-no-results'>"+C(P.formatInputTooShort,P.element,ab.val(),P.minimumInputLength)+"</li>")}else{Q("")}if(X&&this.showSearch){this.showSearch(true)}return}if(P.maximumInputLength&&ab.val().length>P.maximumInputLength){if(y(P.formatInputTooLong,"formatInputTooLong")){Q("<li class='select2-no-results'>"+C(P.formatInputTooLong,P.element,ab.val(),P.maximumInputLength)+"</li>")}else{Q("")}return}if(P.formatSearching&&this.findHighlightableChoices().length===0){Q("<li class='select2-searching'>"+C(P.formatSearching,P.element)+"</li>")}ab.addClass("select2-active");this.removeHighlight();Y=this.tokenize();if(Y!=m&&Y!=null){ab.val(Y)}this.resultsPage=1;P.query({element:P.element,term:ab.val(),page:this.resultsPage,context:null,matcher:P.matcher,callback:this.bind(function(ad){var ac;if(Z!=this.queryCount){return}if(!this.opened()){this.search.removeClass("select2-active");return}if(ad.hasError!==m&&y(P.formatAjaxError,"formatAjaxError")){Q("<li class='select2-ajax-error'>"+C(P.formatAjaxError,P.element,ad.jqXHR,ad.textStatus,ad.errorThrown)+"</li>");return}this.context=(ad.context===m)?null:ad.context;if(this.opts.createSearchChoice&&ab.val()!==""){ac=this.opts.createSearchChoice.call(aa,ab.val(),ad.results);if(ac!==m&&ac!==null&&aa.id(ac)!==m&&aa.id(ac)!==null){if(D(ad.results).filter(function(){return t(aa.id(this),aa.id(ac))}).length===0){this.opts.createSearchChoicePosition(ad.results,ac)}}}if(ad.results.length===0&&y(P.formatNoMatches,"formatNoMatches")){Q("<li class='select2-no-results'>"+C(P.formatNoMatches,P.element,ab.val())+"</li>");return}V.empty();aa.opts.populateResults.call(this,V,ad.results,{term:ab.val(),page:this.resultsPage,context:null});if(ad.more===true&&y(P.formatLoadMore,"formatLoadMore")){V.append("<li class='select2-more-results'>"+P.escapeMarkup(C(P.formatLoadMore,P.element,this.resultsPage))+"</li>");window.setTimeout(function(){aa.loadMoreIfNeeded()},10)}this.postprocessResults(ad,X);W();this.opts.element.trigger({type:"select2-loaded",items:ad})})})},cancel:function(){this.close()},blur:function(){if(this.opts.selectOnBlur){this.selectHighlighted({noFocus:true})}this.close();this.container.removeClass("select2-container-active");if(this.search[0]===document.activeElement){this.search.blur()}this.clearSearch();this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus")},focusSearch:function(){J(this.search)},selectHighlighted:function(Q){if(this._touchMoved){this.clearTouchMoved();return}var P=this.highlight(),R=this.results.find(".select2-highlighted"),S=R.closest(".select2-result").data("select2-data");if(S){this.highlight(P);this.onSelect(S,Q)}else{if(Q&&Q.noFocus){this.close()}}},getPlaceholder:function(){var P;return this.opts.element.attr("placeholder")||this.opts.element.attr("data-placeholder")||this.opts.element.data("placeholder")||this.opts.placeholder||((P=this.getPlaceholderOption())!==m?P.text():m)},getPlaceholderOption:function(){if(this.select){var P=this.select.children("option").first();if(this.opts.placeholderOption!==m){return(this.opts.placeholderOption==="first"&&P)||(typeof this.opts.placeholderOption==="function"&&this.opts.placeholderOption(this.select))}else{if(D.trim(P.text())===""&&P.val()===""){return P}}}},initContainerWidth:function(){function Q(){var V,T,W,U,S,R;if(this.opts.width==="off"){return null}else{if(this.opts.width==="element"){return this.opts.element.outerWidth(false)===0?"auto":this.opts.element.outerWidth(false)+"px"}else{if(this.opts.width==="copy"||this.opts.width==="resolve"){V=this.opts.element.attr("style");if(V!==m){T=V.split(";");for(U=0,S=T.length;U<S;U=U+1){R=T[U].replace(/\s/g,"");W=R.match(/^width:(([-+]?([0-9]*\.)?[0-9]+)(px|em|ex|%|in|cm|mm|pt|pc))/i);if(W!==null&&W.length>=1){return W[1]}}}if(this.opts.width==="resolve"){V=this.opts.element.css("width");if(V.indexOf("%")>0){return V}return(this.opts.element.outerWidth(false)===0?"auto":this.opts.element.outerWidth(false)+"px")}return null}else{if(D.isFunction(this.opts.width)){return this.opts.width()}else{return this.opts.width}}}}}var P=Q.call(this);if(P!==null){this.container.css("width",P)}}});x=M(O,{createContainer:function(){var P=D(document.createElement("div")).attr({"class":"select2-container"}).html(["<a href='javascript:void(0)' class='select2-choice' tabindex='-1'>","   <span class='select2-chosen'>&#160;</span><abbr class='select2-search-choice-close'></abbr>","   <span class='select2-arrow' role='presentation'><b role='presentation'></b></span>","</a>","<label for='' class='select2-offscreen'></label>","<input class='select2-focusser select2-offscreen' type='text' aria-haspopup='true' role='button' />","<div class='select2-drop select2-display-none'>","   <div class='select2-search'>","       <label for='' class='select2-offscreen'></label>","       <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input' role='combobox' aria-expanded='true'","       aria-autocomplete='list' />","   </div>","   <ul class='select2-results' role='listbox'>","   </ul>","</div>"].join(""));return P},enableInterface:function(){if(this.parent.enableInterface.apply(this,arguments)){this.focusser.prop("disabled",!this.isInterfaceEnabled())}},opening:function(){var R,Q,P;if(this.opts.minimumResultsForSearch>=0){this.showSearch(true)}this.parent.opening.apply(this,arguments);if(this.showSearchInput!==false){this.search.val(this.focusser.val())}if(this.opts.shouldFocusInput(this)){this.search.focus();R=this.search.get(0);if(R.createTextRange){Q=R.createTextRange();Q.collapse(false);Q.select()}else{if(R.setSelectionRange){P=this.search.val().length;R.setSelectionRange(P,P)}}}if(this.search.val()===""){if(this.nextSearchTerm!=m){this.search.val(this.nextSearchTerm);this.search.select()}}this.focusser.prop("disabled",true).val("");this.updateResults(true);this.opts.element.trigger(D.Event("select2-open"))},close:function(){if(!this.opened()){return}this.parent.close.apply(this,arguments);this.focusser.prop("disabled",false);if(this.opts.shouldFocusInput(this)){this.focusser.focus()}},focus:function(){if(this.opened()){this.close()}else{this.focusser.prop("disabled",false);if(this.opts.shouldFocusInput(this)){this.focusser.focus()}}},isFocused:function(){return this.container.hasClass("select2-container-active")},cancel:function(){this.parent.cancel.apply(this,arguments);this.focusser.prop("disabled",false);if(this.opts.shouldFocusInput(this)){this.focusser.focus()}},destroy:function(){D("label[for='"+this.focusser.attr("id")+"']").attr("for",this.opts.element.attr("id"));this.parent.destroy.apply(this,arguments);F.call(this,"selection","focusser")},initContainer:function(){var S,P=this.container,U=this.dropdown,T=a(),R;if(this.opts.minimumResultsForSearch<0){this.showSearch(false)}else{this.showSearch(true)}this.selection=S=P.find(".select2-choice");this.focusser=P.find(".select2-focusser");S.find(".select2-chosen").attr("id","select2-chosen-"+T);this.focusser.attr("aria-labelledby","select2-chosen-"+T);this.results.attr("id","select2-results-"+T);this.search.attr("aria-owns","select2-results-"+T);this.focusser.attr("id","s2id_autogen"+T);R=D("label[for='"+this.opts.element.attr("id")+"']");this.opts.element.focus(this.bind(function(){this.focus()}));this.focusser.prev().text(R.text()).attr("for",this.focusser.attr("id"));var Q=this.opts.element.attr("title");this.opts.element.attr("title",(Q||R.text()));this.focusser.attr("tabindex",this.elementTabIndex);this.search.attr("id",this.focusser.attr("id")+"_search");this.search.prev().text(D("label[for='"+this.focusser.attr("id")+"']").text()).attr("for",this.search.attr("id"));this.search.on("keydown",this.bind(function(V){if(!this.isInterfaceEnabled()){return}if(229==V.keyCode){return}if(V.which===L.PAGE_UP||V.which===L.PAGE_DOWN){A(V);return}switch(V.which){case L.UP:case L.DOWN:this.moveHighlight((V.which===L.UP)?-1:1);A(V);return;case L.ENTER:this.selectHighlighted();A(V);return;case L.TAB:this.selectHighlighted({noFocus:true});return;case L.ESC:this.cancel(V);A(V);return}}));this.search.on("blur",this.bind(function(V){if(document.activeElement===this.body.get(0)){window.setTimeout(this.bind(function(){if(this.opened()){this.search.focus()}}),0)}}));this.focusser.on("keydown",this.bind(function(V){if(!this.isInterfaceEnabled()){return}if(V.which===L.TAB||L.isControl(V)||L.isFunctionKey(V)||V.which===L.ESC){return}if(this.opts.openOnEnter===false&&V.which===L.ENTER){A(V);return}if(V.which==L.DOWN||V.which==L.UP||(V.which==L.ENTER&&this.opts.openOnEnter)){if(V.altKey||V.ctrlKey||V.shiftKey||V.metaKey){return}this.open();A(V);return}if(V.which==L.DELETE||V.which==L.BACKSPACE){if(this.opts.allowClear){this.clear()}A(V);return}}));G(this.focusser);this.focusser.on("keyup-change input",this.bind(function(V){if(this.opts.minimumResultsForSearch>=0){V.stopPropagation();if(this.opened()){return}this.open()}}));S.on("mousedown touchstart","abbr",this.bind(function(V){if(!this.isInterfaceEnabled()){return}this.clear();b(V);this.close();if(this.selection){this.selection.focus()}}));S.on("mousedown touchstart",this.bind(function(V){p(S);if(!this.container.hasClass("select2-container-active")){this.opts.element.trigger(D.Event("select2-focus"))}if(this.opened()){this.close()}else{if(this.isInterfaceEnabled()){this.open()}}A(V)}));U.on("mousedown touchstart",this.bind(function(){if(this.opts.shouldFocusInput(this)){this.search.focus()}}));S.on("focus",this.bind(function(V){A(V)}));this.focusser.on("focus",this.bind(function(){if(!this.container.hasClass("select2-container-active")){this.opts.element.trigger(D.Event("select2-focus"))}this.container.addClass("select2-container-active")})).on("blur",this.bind(function(){if(!this.opened()){this.container.removeClass("select2-container-active");this.opts.element.trigger(D.Event("select2-blur"))}}));this.search.on("focus",this.bind(function(){if(!this.container.hasClass("select2-container-active")){this.opts.element.trigger(D.Event("select2-focus"))}this.container.addClass("select2-container-active")}));this.initContainerWidth();this.opts.element.hide();this.setPlaceholder()},clear:function(R){var S=this.selection.data("select2-data");if(S){var Q=D.Event("select2-clearing");this.opts.element.trigger(Q);if(Q.isDefaultPrevented()){return}var P=this.getPlaceholderOption();this.opts.element.val(P?P.val():"");this.selection.find(".select2-chosen").empty();this.selection.removeData("select2-data");this.setPlaceholder();if(R!==false){this.opts.element.trigger({type:"select2-removed",val:this.id(S),choice:S});this.triggerChange({removed:S})}}},initSelection:function(){var Q;if(this.isPlaceholderOptionSelected()){this.updateSelection(null);this.close();this.setPlaceholder()}else{var P=this;this.opts.initSelection.call(null,this.opts.element,function(R){if(R!==m&&R!==null){P.updateSelection(R);P.close();P.setPlaceholder();P.nextSearchTerm=P.opts.nextSearchTerm(R,P.search.val())}})}},isPlaceholderOptionSelected:function(){var P;if(this.getPlaceholder()===m){return false}return((P=this.getPlaceholderOption())!==m&&P.prop("selected"))||(this.opts.element.val()==="")||(this.opts.element.val()===m)||(this.opts.element.val()===null)},prepareOpts:function(){var Q=this.parent.prepareOpts.apply(this,arguments),P=this;if(Q.element.get(0).tagName.toLowerCase()==="select"){Q.initSelection=function(R,T){var S=R.find("option").filter(function(){return this.selected&&!this.disabled});T(P.optionToData(S))}}else{if("data" in Q){Q.initSelection=Q.initSelection||function(S,U){var T=S.val();var R=null;Q.query({matcher:function(V,Y,W){var X=t(T,Q.id(W));if(X){R=W}return X},callback:!D.isFunction(U)?D.noop:function(){U(R)}})}}}return Q},getPlaceholder:function(){if(this.select){if(this.getPlaceholderOption()===m){return m}}return this.parent.getPlaceholder.apply(this,arguments)},setPlaceholder:function(){var P=this.getPlaceholder();if(this.isPlaceholderOptionSelected()&&P!==m){if(this.select&&this.getPlaceholderOption()===m){return}this.selection.find(".select2-chosen").html(this.opts.escapeMarkup(P));this.selection.addClass("select2-default");this.container.removeClass("select2-allowclear")}},postprocessResults:function(U,Q,T){var S=0,P=this,V=true;this.findHighlightableChoices().each2(function(W,X){if(t(P.id(X.data("select2-data")),P.opts.element.val())){S=W;return false}});if(T!==false){if(Q===true&&S>=0){this.highlight(S)}else{this.highlight(0)}}if(Q===true){var R=this.opts.minimumResultsForSearch;if(R>=0){this.showSearch(s(U.results)>=R)}}},showSearch:function(P){if(this.showSearchInput===P){return}this.showSearchInput=P;this.dropdown.find(".select2-search").toggleClass("select2-search-hidden",!P);this.dropdown.find(".select2-search").toggleClass("select2-offscreen",!P);D(this.dropdown,this.container).toggleClass("select2-with-searchbox",P)},onSelect:function(R,Q){if(!this.triggerSelect(R)){return}var P=this.opts.element.val(),S=this.data();this.opts.element.val(this.id(R));this.updateSelection(R);this.opts.element.trigger({type:"select2-selected",val:this.id(R),choice:R});this.nextSearchTerm=this.opts.nextSearchTerm(R,this.search.val());this.close();if((!Q||!Q.noFocus)&&this.opts.shouldFocusInput(this)){this.focusser.focus()}if(!t(P,this.id(R))){this.triggerChange({added:R,removed:S})}},updateSelection:function(S){var Q=this.selection.find(".select2-chosen"),R,P;this.selection.data("select2-data",S);Q.empty();if(S!==null){R=this.opts.formatSelection(S,Q,this.opts.escapeMarkup)}if(R!==m){Q.append(R)}P=this.opts.formatSelectionCssClass(S,Q);if(P!==m){Q.addClass(P)}this.selection.removeClass("select2-default");if(this.opts.allowClear&&this.getPlaceholder()!==m){this.container.addClass("select2-allowclear")}},val:function(){var T,Q=false,R=null,P=this,S=this.data();if(arguments.length===0){return this.opts.element.val()}T=arguments[0];if(arguments.length>1){Q=arguments[1]}if(this.select){this.select.val(T).find("option").filter(function(){return this.selected}).each2(function(U,V){R=P.optionToData(V);return false});this.updateSelection(R);this.setPlaceholder();if(Q){this.triggerChange({added:R,removed:S})}}else{if(!T&&T!==0){this.clear(Q);return}if(this.opts.initSelection===m){throw new Error("cannot call val() if initSelection() is not defined")}this.opts.element.val(T);this.opts.initSelection(this.opts.element,function(U){P.opts.element.val(!U?"":P.id(U));P.updateSelection(U);P.setPlaceholder();if(Q){P.triggerChange({added:U,removed:S})}})}},clearSearch:function(){this.search.val("");this.focusser.val("")},data:function(R){var Q,P=false;if(arguments.length===0){Q=this.selection.data("select2-data");if(Q==m){Q=null}return Q}else{if(arguments.length>1){P=arguments[1]}if(!R){this.clear(P)}else{Q=this.data();this.opts.element.val(!R?"":this.id(R));this.updateSelection(R);if(P){this.triggerChange({added:R,removed:Q})}}}}});c=M(O,{createContainer:function(){var P=D(document.createElement("div")).attr({"class":"select2-container select2-container-multi"}).html(["<ul class='select2-choices'>","  <li class='select2-search-field'>","    <label for='' class='select2-offscreen'></label>","    <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input'>","  </li>","</ul>","<div class='select2-drop select2-drop-multi select2-display-none'>","   <ul class='select2-results'>","   </ul>","</div>"].join(""));return P},prepareOpts:function(){var Q=this.parent.prepareOpts.apply(this,arguments),P=this;if(Q.element.get(0).tagName.toLowerCase()==="select"){Q.initSelection=function(R,T){var S=[];R.find("option").filter(function(){return this.selected&&!this.disabled}).each2(function(U,V){S.push(P.optionToData(V))});T(S)}}else{if("data" in Q){Q.initSelection=Q.initSelection||function(R,U){var S=i(R.val(),Q.separator,Q.transformVal);var T=[];Q.query({matcher:function(V,Y,W){var X=D.grep(S,function(Z){return t(Z,Q.id(W))}).length;if(X){T.push(W)}return X},callback:!D.isFunction(U)?D.noop:function(){var V=[];for(var Y=0;Y<S.length;Y++){var Z=S[Y];for(var X=0;X<T.length;X++){var W=T[X];if(t(Z,Q.id(W))){V.push(W);T.splice(X,1);break}}}U(V)}})}}}return Q},selectChoice:function(P){var Q=this.container.find(".select2-search-choice-focus");if(Q.length&&P&&P[0]==Q[0]){}else{if(Q.length){this.opts.element.trigger("choice-deselected",Q)}Q.removeClass("select2-search-choice-focus");if(P&&P.length){this.close();P.addClass("select2-search-choice-focus");this.opts.element.trigger("choice-selected",P)}}},destroy:function(){D("label[for='"+this.search.attr("id")+"']").attr("for",this.opts.element.attr("id"));this.parent.destroy.apply(this,arguments);F.call(this,"searchContainer","selection")},initContainer:function(){var P=".select2-choices",Q;this.searchContainer=this.container.find(".select2-search-field");this.selection=Q=this.container.find(P);var R=this;this.selection.on("click",".select2-container:not(.select2-container-disabled) .select2-search-choice:not(.select2-locked)",function(S){R.search[0].focus();R.selectChoice(D(this))});this.search.attr("id","s2id_autogen"+a());this.search.prev().text(D("label[for='"+this.opts.element.attr("id")+"']").text()).attr("for",this.search.attr("id"));this.opts.element.focus(this.bind(function(){this.focus()}));this.search.on("input paste",this.bind(function(){if(this.search.attr("placeholder")&&this.search.val().length==0){return}if(!this.isInterfaceEnabled()){return}if(!this.opened()){this.open()}}));this.search.attr("tabindex",this.elementTabIndex);this.keydowns=0;this.search.on("keydown",this.bind(function(W){if(!this.isInterfaceEnabled()){return}++this.keydowns;var U=Q.find(".select2-search-choice-focus");var V=U.prev(".select2-search-choice:not(.select2-locked)");var T=U.next(".select2-search-choice:not(.select2-locked)");var X=f(this.search);if(U.length&&(W.which==L.LEFT||W.which==L.RIGHT||W.which==L.BACKSPACE||W.which==L.DELETE||W.which==L.ENTER)){var S=U;if(W.which==L.LEFT&&V.length){S=V}else{if(W.which==L.RIGHT){S=T.length?T:null}else{if(W.which===L.BACKSPACE){if(this.unselect(U.first())){this.search.width(10);S=V.length?V:T}}else{if(W.which==L.DELETE){if(this.unselect(U.first())){this.search.width(10);S=T.length?T:null}}else{if(W.which==L.ENTER){S=null}}}}}this.selectChoice(S);A(W);if(!S||!S.length){this.open()}return}else{if(((W.which===L.BACKSPACE&&this.keydowns==1)||W.which==L.LEFT)&&(X.offset==0&&!X.length)){this.selectChoice(Q.find(".select2-search-choice:not(.select2-locked)").last());A(W);return}else{this.selectChoice(null)}}if(this.opened()){switch(W.which){case L.UP:case L.DOWN:this.moveHighlight((W.which===L.UP)?-1:1);A(W);return;case L.ENTER:this.selectHighlighted();A(W);return;case L.TAB:this.selectHighlighted({noFocus:true});this.close();return;case L.ESC:this.cancel(W);A(W);return}}if(W.which===L.TAB||L.isControl(W)||L.isFunctionKey(W)||W.which===L.BACKSPACE||W.which===L.ESC){return}if(W.which===L.ENTER){if(this.opts.openOnEnter===false){return}else{if(W.altKey||W.ctrlKey||W.shiftKey||W.metaKey){return}}}this.open();if(W.which===L.PAGE_UP||W.which===L.PAGE_DOWN){A(W)}if(W.which===L.ENTER){A(W)}}));this.search.on("keyup",this.bind(function(S){this.keydowns=0;this.resizeSearch()}));this.search.on("blur",this.bind(function(S){this.container.removeClass("select2-container-active");this.search.removeClass("select2-focused");this.selectChoice(null);if(!this.opened()){this.clearSearch()}S.stopImmediatePropagation();this.opts.element.trigger(D.Event("select2-blur"))}));this.container.on("click",P,this.bind(function(S){if(!this.isInterfaceEnabled()){return}if(D(S.target).closest(".select2-search-choice").length>0){return}this.selectChoice(null);this.clearPlaceholder();if(!this.container.hasClass("select2-container-active")){this.opts.element.trigger(D.Event("select2-focus"))}this.open();this.focusSearch();S.preventDefault()}));this.container.on("focus",P,this.bind(function(){if(!this.isInterfaceEnabled()){return}if(!this.container.hasClass("select2-container-active")){this.opts.element.trigger(D.Event("select2-focus"))}this.container.addClass("select2-container-active");this.dropdown.addClass("select2-drop-active");this.clearPlaceholder()}));this.initContainerWidth();this.opts.element.hide();this.clearSearch()},enableInterface:function(){if(this.parent.enableInterface.apply(this,arguments)){this.search.prop("disabled",!this.isInterfaceEnabled())}},initSelection:function(){var Q;if(this.opts.element.val()===""&&this.opts.element.text()===""){this.updateSelection([]);this.close();this.clearSearch()}if(this.select||this.opts.element.val()!==""){var P=this;this.opts.initSelection.call(null,this.opts.element,function(R){if(R!==m&&R!==null){P.updateSelection(R);P.close();P.clearSearch()}})}},clearSearch:function(){var Q=this.getPlaceholder(),P=this.getMaxSearchWidth();if(Q!==m&&this.getVal().length===0&&this.search.hasClass("select2-focused")===false){this.search.val(Q).addClass("select2-default");this.search.width(P>0?P:this.container.css("width"))}else{this.search.val("").width(10)}},clearPlaceholder:function(){if(this.search.hasClass("select2-default")){this.search.val("").removeClass("select2-default")}},opening:function(){this.clearPlaceholder();this.resizeSearch();this.parent.opening.apply(this,arguments);this.focusSearch();if(this.search.val()===""){if(this.nextSearchTerm!=m){this.search.val(this.nextSearchTerm);this.search.select()}}this.updateResults(true);if(this.opts.shouldFocusInput(this)){this.search.focus()}this.opts.element.trigger(D.Event("select2-open"))},close:function(){if(!this.opened()){return}this.parent.close.apply(this,arguments)},focus:function(){this.close();this.search.focus()},isFocused:function(){return this.search.hasClass("select2-focused")},updateSelection:function(S){var R=[],Q=[],P=this;D(S).each(function(){if(r(P.id(this),R)<0){R.push(P.id(this));Q.push(this)}});S=Q;this.selection.find(".select2-search-choice").remove();D(S).each(function(){P.addSelectedChoice(this)});P.postprocessResults()},tokenize:function(){var P=this.search.val();P=this.opts.tokenizer.call(this,P,this.data(),this.bind(this.onSelect),this.opts);if(P!=null&&P!=m){this.search.val(P);if(P.length>0){this.open()}}},onSelect:function(Q,P){if(!this.triggerSelect(Q)||Q.text===""){return}this.addSelectedChoice(Q);this.opts.element.trigger({type:"selected",val:this.id(Q),choice:Q});this.nextSearchTerm=this.opts.nextSearchTerm(Q,this.search.val());this.clearSearch();this.updateResults();if(this.select||!this.opts.closeOnSelect){this.postprocessResults(Q,false,this.opts.closeOnSelect===true)}if(this.opts.closeOnSelect){this.close();this.search.width(10)}else{if(this.countSelectableResults()>0){this.search.width(10);this.resizeSearch();if(this.getMaximumSelectionSize()>0&&this.val().length>=this.getMaximumSelectionSize()){this.updateResults(true)}else{if(this.nextSearchTerm!=m){this.search.val(this.nextSearchTerm);this.updateResults();this.search.select()}}this.positionDropdown()}else{this.close();this.search.width(10)}}this.triggerChange({added:Q});if(!P||!P.noFocus){this.focusSearch()}},cancel:function(){this.close();this.focusSearch()},addSelectedChoice:function(T){var V=!T.locked,R=D("<li class='select2-search-choice'>    <div></div>    <a href='#' class='select2-search-choice-close' tabindex='-1'></a></li>"),W=D("<li class='select2-search-choice select2-locked'><div></div></li>");var S=V?R:W,P=this.id(T),Q=this.getVal(),U,X;U=this.opts.formatSelection(T,S.find("div"),this.opts.escapeMarkup);if(U!=m){S.find("div").replaceWith(D("<div></div>").html(U))}X=this.opts.formatSelectionCssClass(T,S.find("div"));if(X!=m){S.addClass(X)}if(V){S.find(".select2-search-choice-close").on("mousedown",A).on("click dblclick",this.bind(function(Y){if(!this.isInterfaceEnabled()){return}this.unselect(D(Y.target));this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus");A(Y);this.close();this.focusSearch()})).on("focus",this.bind(function(){if(!this.isInterfaceEnabled()){return}this.container.addClass("select2-container-active");this.dropdown.addClass("select2-drop-active")}))}S.data("select2-data",T);S.insertBefore(this.searchContainer);Q.push(P);this.setVal(Q)},unselect:function(R){var T=this.getVal(),S,Q;R=R.closest(".select2-search-choice");if(R.length===0){throw"Invalid argument: "+R+". Must be .select2-search-choice"}S=R.data("select2-data");if(!S){return}var P=D.Event("select2-removing");P.val=this.id(S);P.choice=S;this.opts.element.trigger(P);if(P.isDefaultPrevented()){return false}while((Q=r(this.id(S),T))>=0){T.splice(Q,1);this.setVal(T);if(this.select){this.postprocessResults()}}R.remove();this.opts.element.trigger({type:"select2-removed",val:this.id(S),choice:S});this.triggerChange({removed:S});return true},postprocessResults:function(T,Q,S){var U=this.getVal(),V=this.results.find(".select2-result"),R=this.results.find(".select2-result-with-children"),P=this;V.each2(function(X,W){var Y=P.id(W.data("select2-data"));if(r(Y,U)>=0){W.addClass("select2-selected");W.find(".select2-result-selectable").addClass("select2-selected")}});R.each2(function(X,W){if(!W.is(".select2-result-selectable")&&W.find(".select2-result-selectable:not(.select2-selected)").length===0){W.addClass("select2-selected")}});if(this.highlight()==-1&&S!==false&&this.opts.closeOnSelect===true){P.highlight(0)}if(!this.opts.createSearchChoice&&!V.filter(".select2-result:not(.select2-selected)").length>0){if(!T||T&&!T.more&&this.results.find(".select2-no-results").length===0){if(y(P.opts.formatNoMatches,"formatNoMatches")){this.results.append("<li class='select2-no-results'>"+C(P.opts.formatNoMatches,P.opts.element,P.search.val())+"</li>")}}}},getMaxSearchWidth:function(){return this.selection.width()-h(this.search)},resizeSearch:function(){var U,S,R,P,Q,T=h(this.search);U=n(this.search)+10;S=this.search.offset().left;R=this.selection.width();P=this.selection.offset().left;Q=R-(S-P)-T;if(Q<U){Q=R-T}if(Q<40){Q=R-T}if(Q<=0){Q=U}this.search.width(Math.floor(Q))},getVal:function(){var P;if(this.select){P=this.select.val();return P===null?[]:P}else{P=this.opts.element.val();return i(P,this.opts.separator,this.opts.transformVal)}},setVal:function(Q){var P;if(this.select){this.select.val(Q)}else{P=[];D(Q).each(function(){if(r(this,P)<0){P.push(this)}});this.opts.element.val(P.length===0?"":P.join(this.opts.separator))}},buildChangeDetails:function(P,S){var S=S.slice(0),P=P.slice(0);for(var R=0;R<S.length;R++){for(var Q=0;Q<P.length;Q++){if(t(this.opts.id(S[R]),this.opts.id(P[Q]))){S.splice(R,1);if(R>0){R--}P.splice(Q,1);Q--}}}return{added:S,removed:P}},val:function(S,Q){var R,P=this;if(arguments.length===0){return this.getVal()}R=this.data();if(!R.length){R=[]}if(!S&&S!==0){this.opts.element.val("");this.updateSelection([]);this.clearSearch();if(Q){this.triggerChange({added:this.data(),removed:R})}return}this.setVal(S);if(this.select){this.opts.initSelection(this.select,this.bind(this.updateSelection));if(Q){this.triggerChange(this.buildChangeDetails(R,this.data()))}}else{if(this.opts.initSelection===m){throw new Error("val() cannot be called if initSelection() is not defined")}this.opts.initSelection(this.opts.element,function(U){var T=D.map(U,P.id);P.setVal(T);P.updateSelection(U);P.clearSearch();if(Q){P.triggerChange(P.buildChangeDetails(R,P.data()))}})}this.clearSearch()},onSortStart:function(){if(this.select){throw new Error("Sorting of elements is not supported when attached to <select>. Attach to <input type='hidden'/> instead.")}this.search.width(0);this.searchContainer.hide()},onSortEnd:function(){var Q=[],P=this;this.searchContainer.show();this.searchContainer.appendTo(this.searchContainer.parent());this.resizeSearch();this.selection.find(".select2-search-choice").each(function(){Q.push(P.opts.id(D(this).data("select2-data")))});this.setVal(Q);this.triggerChange()},data:function(R,S){var Q=this,T,P;if(arguments.length===0){return this.selection.children(".select2-search-choice").map(function(){return D(this).data("select2-data")}).get()}else{P=this.data();if(!R){R=[]}T=D.map(R,function(U){return Q.opts.id(U)});this.setVal(T);this.updateSelection(R);this.clearSearch();if(S){this.triggerChange(this.buildChangeDetails(P,this.data()))}}}});D.fn.select2=function(){var U=Array.prototype.slice.call(arguments,0),Q,T,P,W,Y,X=["val","destroy","opened","open","close","focus","isFocused","container","dropdown","onSortStart","onSortEnd","enable","disable","readonly","positionDropdown","data","search"],V=["opened","isFocused","container","dropdown"],R=["val","data"],S={search:"externalSearch"};this.each(function(){if(U.length===0||typeof(U[0])==="object"){Q=U.length===0?{}:D.extend({},U[0]);Q.element=D(this);if(Q.element.get(0).tagName.toLowerCase()==="select"){Y=Q.element.prop("multiple")}else{Y=Q.multiple||false;if("tags" in Q){Q.multiple=Y=true}}T=Y?new window.Select2["class"].multi():new window.Select2["class"].single();T.init(Q)}else{if(typeof(U[0])==="string"){if(r(U[0],X)<0){throw"Unknown method: "+U[0]}W=m;T=D(this).data("select2");if(T===m){return}P=U[0];if(P==="container"){W=T.container}else{if(P==="dropdown"){W=T.dropdown}else{if(S[P]){P=S[P]}W=T[P].apply(T,U.slice(1))}}if(r(U[0],V)>=0||(r(U[0],R)>=0&&U.length==1)){return false}}else{throw"Invalid arguments to select2 plugin: "+U}}});return(W===m)?this:W};D.fn.select2.defaults={width:"copy",loadMorePadding:0,closeOnSelect:true,openOnEnter:true,containerCss:{},dropdownCss:{},containerCssClass:"",dropdownCssClass:"",formatResult:function(Q,R,T,P){var S=[];u(this.text(Q),T.term,S,P);return S.join("")},transformVal:function(P){return D.trim(P)},formatSelection:function(R,Q,P){return R?P(this.text(R)):m},sortResults:function(Q,P,R){return Q},formatResultCssClass:function(P){return P.css},formatSelectionCssClass:function(Q,P){return m},minimumResultsForSearch:0,minimumInputLength:0,maximumInputLength:null,maximumSelectionSize:0,id:function(P){return P==m?null:P.id},text:function(P){if(P&&this.data&&this.data.text){if(D.isFunction(this.data.text)){return this.data.text(P)}else{return P[this.data.text]}}else{return P.text}},matcher:function(P,Q){return e(""+Q).toUpperCase().indexOf(e(""+P).toUpperCase())>=0},separator:",",tokenSeparators:[],tokenizer:g,escapeMarkup:H,blurOnChange:false,selectOnBlur:false,adaptContainerCssClass:function(P){return P},adaptDropdownCssClass:function(P){return null},nextSearchTerm:function(P,Q){return m},searchInputPlaceholder:"",createSearchChoicePosition:"top",shouldFocusInput:function(P){var Q=(("ontouchstart" in window)||(navigator.msMaxTouchPoints>0));if(!Q){return true}if(P.opts.minimumResultsForSearch<0){return false}return true}};D.fn.select2.locales=[];D.fn.select2.locales.en={formatMatches:function(P){if(P===1){return"One result is available, press enter to select it."}return P+" results are available, use up and down arrow keys to navigate."},formatNoMatches:function(){return"No matches found"},formatAjaxError:function(P,R,Q){return"Loading failed"},formatInputTooShort:function(P,Q){var R=Q-P.length;return"Please enter "+R+" or more character"+(R==1?"":"s")},formatInputTooLong:function(Q,P){var R=Q.length-P;return"Please delete "+R+" character"+(R==1?"":"s")},formatSelectionTooBig:function(P){return"You can only select "+P+" item"+(P==1?"":"s")},formatLoadMore:function(P){return"Loading more results…"},formatSearching:function(){return"Searching…"}};D.extend(D.fn.select2.defaults,D.fn.select2.locales.en);D.fn.select2.ajaxDefaults={transport:D.ajax,params:{type:"GET",cache:false,dataType:"json"}};window.Select2={query:{ajax:E,local:I,tags:z},util:{debounce:k,markMatch:u,escapeMarkup:H,stripDiacritics:e},"class":{"abstract":O,single:x,multi:c}}}(jQuery));
\ No newline at end of file
diff -r 2dd8dcd46738 -r 9e3db98ce306 src/pyams_skin/resources/js/ext/jquery-select2-3.5.4.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_skin/resources/js/ext/jquery-select2-3.5.4.js	Tue Feb 20 11:56:27 2018 +0100
@@ -0,0 +1,3729 @@
+/*
+Copyright 2012 Igor Vaynberg
+
+Version: 3.5.4 Timestamp: Sun Aug 30 13:30:32 EDT 2015
+
+This software is licensed under the Apache License, Version 2.0 (the "Apache License") or the GNU
+General Public License version 2 (the "GPL License"). You may choose either license to govern your
+use of this software only upon the condition that you accept all of the terms of either the Apache
+License or the GPL License.
+
+You may obtain a copy of the Apache License and the GPL License at:
+
+    http://www.apache.org/licenses/LICENSE-2.0
+    http://www.gnu.org/licenses/gpl-2.0.html
+
+Unless required by applicable law or agreed to in writing, software distributed under the
+Apache License or the GPL License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+CONDITIONS OF ANY KIND, either express or implied. See the Apache License and the GPL License for
+the specific language governing permissions and limitations under the Apache License and the GPL License.
+*/
+(function ($) {
+    if(typeof $.fn.each2 == "undefined") {
+        $.extend($.fn, {
+            /*
+            * 4-10 times faster .each replacement
+            * use it carefully, as it overrides jQuery context of element on each iteration
+            */
+            each2 : function (c) {
+                var j = $([0]), i = -1, l = this.length;
+                while (
+                    ++i < l
+                    && (j.context = j[0] = this[i])
+                    && c.call(j[0], i, j) !== false //"this"=DOM, i=index, j=jQuery object
+                );
+                return this;
+            }
+        });
+    }
+})(jQuery);
+
+(function ($, undefined) {
+    "use strict";
+    /*global document, window, jQuery, console */
+
+    if (window.Select2 !== undefined) {
+        return;
+    }
+
+    var AbstractSelect2, SingleSelect2, MultiSelect2, nextUid, sizer,
+        lastMousePosition={x:0,y:0}, $document, scrollBarDimensions,
+
+    KEY = {
+        TAB: 9,
+        ENTER: 13,
+        ESC: 27,
+        SPACE: 32,
+        LEFT: 37,
+        UP: 38,
+        RIGHT: 39,
+        DOWN: 40,
+        SHIFT: 16,
+        CTRL: 17,
+        ALT: 18,
+        PAGE_UP: 33,
+        PAGE_DOWN: 34,
+        HOME: 36,
+        END: 35,
+        BACKSPACE: 8,
+        DELETE: 46,
+        isArrow: function (k) {
+            k = k.which ? k.which : k;
+            switch (k) {
+            case KEY.LEFT:
+            case KEY.RIGHT:
+            case KEY.UP:
+            case KEY.DOWN:
+                return true;
+            }
+            return false;
+        },
+        isControl: function (e) {
+            var k = e.which;
+            switch (k) {
+            case KEY.SHIFT:
+            case KEY.CTRL:
+            case KEY.ALT:
+                return true;
+            }
+
+            if (e.metaKey) return true;
+
+            return false;
+        },
+        isFunctionKey: function (k) {
+            k = k.which ? k.which : k;
+            return k >= 112 && k <= 123;
+        }
+    },
+    MEASURE_SCROLLBAR_TEMPLATE = "<div class='select2-measure-scrollbar'></div>",
+
+    DIACRITICS = 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+
+    $document = $(document);
+
+    nextUid=(function() { var counter=1; return function() { return counter++; }; }());
+
+
+    function reinsertElement(element) {
+        var placeholder = $(document.createTextNode(''));
+
+        element.before(placeholder);
+        placeholder.before(element);
+        placeholder.remove();
+    }
+
+    function stripDiacritics(str) {
+        // Used 'uni range + named function' from http://jsperf.com/diacritics/18
+        function match(a) {
+            return DIACRITICS[a] || a;
+        }
+
+        return str.replace(/[^\u0000-\u007E]/g, match);
+    }
+
+    function indexOf(value, array) {
+        var i = 0, l = array.length;
+        for (; i < l; i = i + 1) {
+            if (equal(value, array[i])) return i;
+        }
+        return -1;
+    }
+
+    function measureScrollbar () {
+        var $template = $( MEASURE_SCROLLBAR_TEMPLATE );
+        $template.appendTo(document.body);
+
+        var dim = {
+            width: $template.width() - $template[0].clientWidth,
+            height: $template.height() - $template[0].clientHeight
+        };
+        $template.remove();
+
+        return dim;
+    }
+
+    /**
+     * Compares equality of a and b
+     * @param a
+     * @param b
+     */
+    function equal(a, b) {
+        if (a === b) return true;
+        if (a === undefined || b === undefined) return false;
+        if (a === null || b === null) return false;
+        // Check whether 'a' or 'b' is a string (primitive or object).
+        // The concatenation of an empty string (+'') converts its argument to a string's primitive.
+        if (a.constructor === String) return a+'' === b+''; // a+'' - in case 'a' is a String object
+        if (b.constructor === String) return b+'' === a+''; // b+'' - in case 'b' is a String object
+        return false;
+    }
+
+    /**
+     * Splits the string into an array of values, transforming each value. An empty array is returned for nulls or empty
+     * strings
+     * @param string
+     * @param separator
+     */
+    function splitVal(string, separator, transform) {
+        var val, i, l;
+        if (string === null || string.length < 1) return [];
+        val = string.split(separator);
+        for (i = 0, l = val.length; i < l; i = i + 1) val[i] = transform(val[i]);
+        return val;
+    }
+
+    function getSideBorderPadding(element) {
+        return element.outerWidth(false) - element.width();
+    }
+
+    function installKeyUpChangeEvent(element) {
+        var key="keyup-change-value";
+        element.on("keydown", function () {
+            if ($.data(element, key) === undefined) {
+                $.data(element, key, element.val());
+            }
+        });
+        element.on("keyup", function () {
+            var val= $.data(element, key);
+            if (val !== undefined && element.val() !== val) {
+                $.removeData(element, key);
+                element.trigger("keyup-change");
+            }
+        });
+    }
+
+
+    /**
+     * filters mouse events so an event is fired only if the mouse moved.
+     *
+     * filters out mouse events that occur when mouse is stationary but
+     * the elements under the pointer are scrolled.
+     */
+    function installFilteredMouseMove(element) {
+        element.on("mousemove", function (e) {
+            var lastpos = lastMousePosition;
+            if (lastpos === undefined || lastpos.x !== e.pageX || lastpos.y !== e.pageY) {
+                $(e.target).trigger("mousemove-filtered", e);
+            }
+        });
+    }
+
+    /**
+     * Debounces a function. Returns a function that calls the original fn function only if no invocations have been made
+     * within the last quietMillis milliseconds.
+     *
+     * @param quietMillis number of milliseconds to wait before invoking fn
+     * @param fn function to be debounced
+     * @param ctx object to be used as this reference within fn
+     * @return debounced version of fn
+     */
+    function debounce(quietMillis, fn, ctx) {
+        ctx = ctx || undefined;
+        var timeout;
+        return function () {
+            var args = arguments;
+            window.clearTimeout(timeout);
+            timeout = window.setTimeout(function() {
+                fn.apply(ctx, args);
+            }, quietMillis);
+        };
+    }
+
+    function installDebouncedScroll(threshold, element) {
+        var notify = debounce(threshold, function (e) { element.trigger("scroll-debounced", e);});
+        element.on("scroll", function (e) {
+            if (indexOf(e.target, element.get()) >= 0) notify(e);
+        });
+    }
+
+    function focus($el) {
+        if ($el[0] === document.activeElement) return;
+
+        /* set the focus in a 0 timeout - that way the focus is set after the processing
+            of the current event has finished - which seems like the only reliable way
+            to set focus */
+        window.setTimeout(function() {
+            var el=$el[0], pos=$el.val().length, range;
+
+            $el.focus();
+
+            /* make sure el received focus so we do not error out when trying to manipulate the caret.
+                sometimes modals or others listeners may steal it after its set */
+            var isVisible = (el.offsetWidth > 0 || el.offsetHeight > 0);
+            if (isVisible && el === document.activeElement) {
+
+                /* after the focus is set move the caret to the end, necessary when we val()
+                    just before setting focus */
+                if(el.setSelectionRange)
+                {
+                    el.setSelectionRange(pos, pos);
+                }
+                else if (el.createTextRange) {
+                    range = el.createTextRange();
+                    range.collapse(false);
+                    range.select();
+                }
+            }
+        }, 0);
+    }
+
+    function getCursorInfo(el) {
+        el = $(el)[0];
+        var offset = 0;
+        var length = 0;
+        if ('selectionStart' in el) {
+            offset = el.selectionStart;
+            length = el.selectionEnd - offset;
+        } else if ('selection' in document) {
+            el.focus();
+            var sel = document.selection.createRange();
+            length = document.selection.createRange().text.length;
+            sel.moveStart('character', -el.value.length);
+            offset = sel.text.length - length;
+        }
+        return { offset: offset, length: length };
+    }
+
+    function killEvent(event) {
+        event.preventDefault();
+        event.stopPropagation();
+    }
+    function killEventImmediately(event) {
+        event.preventDefault();
+        event.stopImmediatePropagation();
+    }
+
+    function measureTextWidth(e) {
+        if (!sizer){
+            var style = e[0].currentStyle || window.getComputedStyle(e[0], null);
+            sizer = $(document.createElement("div")).css({
+                position: "absolute",
+                left: "-10000px",
+                top: "-10000px",
+                display: "none",
+                fontSize: style.fontSize,
+                fontFamily: style.fontFamily,
+                fontStyle: style.fontStyle,
+                fontWeight: style.fontWeight,
+                letterSpacing: style.letterSpacing,
+                textTransform: style.textTransform,
+                whiteSpace: "nowrap"
+            });
+            sizer.attr("class","select2-sizer");
+            $(document.body).append(sizer);
+        }
+        sizer.text(e.val());
+        return sizer.width();
+    }
+
+    function syncCssClasses(dest, src, adapter) {
+        var classes, replacements = [], adapted;
+
+        classes = $.trim(dest.attr("class"));
+
+        if (classes) {
+            classes = '' + classes; // for IE which returns object
+
+            $(classes.split(/\s+/)).each2(function() {
+                if (this.indexOf("select2-") === 0) {
+                    replacements.push(this);
+                }
+            });
+        }
+
+        classes = $.trim(src.attr("class"));
+
+        if (classes) {
+            classes = '' + classes; // for IE which returns object
+
+            $(classes.split(/\s+/)).each2(function() {
+                if (this.indexOf("select2-") !== 0) {
+                    adapted = adapter(this);
+
+                    if (adapted) {
+                        replacements.push(adapted);
+                    }
+                }
+            });
+        }
+
+        dest.attr("class", replacements.join(" "));
+    }
+
+
+    function markMatch(text, term, markup, escapeMarkup) {
+        var match=stripDiacritics(text.toUpperCase()).indexOf(stripDiacritics(term.toUpperCase())),
+            tl=term.length;
+
+        if (match<0) {
+            markup.push(escapeMarkup(text));
+            return;
+        }
+
+        markup.push(escapeMarkup(text.substring(0, match)));
+        markup.push("<span class='select2-match'>");
+        markup.push(escapeMarkup(text.substring(match, match + tl)));
+        markup.push("</span>");
+        markup.push(escapeMarkup(text.substring(match + tl, text.length)));
+    }
+
+    function defaultEscapeMarkup(markup) {
+        var replace_map = {
+            '\\': '&#92;',
+            '&': '&amp;',
+            '<': '&lt;',
+            '>': '&gt;',
+            '"': '&quot;',
+            "'": '&#39;',
+            "/": '&#47;'
+        };
+
+        return String(markup).replace(/[&<>"'\/\\]/g, function (match) {
+            return replace_map[match];
+        });
+    }
+
+    /**
+     * Produces an ajax-based query function
+     *
+     * @param options object containing configuration parameters
+     * @param options.params parameter map for the transport ajax call, can contain such options as cache, jsonpCallback, etc. see $.ajax
+     * @param options.transport function that will be used to execute the ajax request. must be compatible with parameters supported by $.ajax
+     * @param options.url url for the data
+     * @param options.data a function(searchTerm, pageNumber, context) that should return an object containing query string parameters for the above url.
+     * @param options.dataType request data type: ajax, jsonp, other datatypes supported by jQuery's $.ajax function or the transport function if specified
+     * @param options.quietMillis (optional) milliseconds to wait before making the ajaxRequest, helps debounce the ajax function if invoked too often
+     * @param options.results a function(remoteData, pageNumber, query) that converts data returned form the remote request to the format expected by Select2.
+     *      The expected format is an object containing the following keys:
+     *      results array of objects that will be used as choices
+     *      more (optional) boolean indicating whether there are more results available
+     *      Example: {results:[{id:1, text:'Red'},{id:2, text:'Blue'}], more:true}
+     */
+    function ajax(options) {
+        var timeout, // current scheduled but not yet executed request
+            handler = null,
+            quietMillis = options.quietMillis || 100,
+            ajaxUrl = options.url,
+            self = this;
+
+        return function (query) {
+            window.clearTimeout(timeout);
+            timeout = window.setTimeout(function () {
+                var data = options.data, // ajax data function
+                    url = ajaxUrl, // ajax url string or function
+                    transport = options.transport || $.fn.select2.ajaxDefaults.transport,
+                    // deprecated - to be removed in 4.0  - use params instead
+                    deprecated = {
+                        type: options.type || 'GET', // set type of request (GET or POST)
+                        cache: options.cache || false,
+                        jsonpCallback: options.jsonpCallback||undefined,
+                        dataType: options.dataType||"json"
+                    },
+                    params = $.extend({}, $.fn.select2.ajaxDefaults.params, deprecated);
+
+                data = data ? data.call(self, query.term, query.page, query.context) : null;
+                url = (typeof url === 'function') ? url.call(self, query.term, query.page, query.context) : url;
+
+                if (handler && typeof handler.abort === "function") { handler.abort(); }
+
+                if (options.params) {
+                    if ($.isFunction(options.params)) {
+                        $.extend(params, options.params.call(self));
+                    } else {
+                        $.extend(params, options.params);
+                    }
+                }
+
+                $.extend(params, {
+                    url: url,
+                    dataType: options.dataType,
+                    data: data,
+                    success: function (data) {
+                        // TODO - replace query.page with query so users have access to term, page, etc.
+                        // added query as third paramter to keep backwards compatibility
+                        var results = options.results(data, query.page, query);
+                        query.callback(results);
+                    },
+                    error: function(jqXHR, textStatus, errorThrown){
+                        var results = {
+                            hasError: true,
+                            jqXHR: jqXHR,
+                            textStatus: textStatus,
+                            errorThrown: errorThrown
+                        };
+
+                        query.callback(results);
+                    }
+                });
+                handler = transport.call(self, params);
+            }, quietMillis);
+        };
+    }
+
+    /**
+     * Produces a query function that works with a local array
+     *
+     * @param options object containing configuration parameters. The options parameter can either be an array or an
+     * object.
+     *
+     * If the array form is used it is assumed that it contains objects with 'id' and 'text' keys.
+     *
+     * If the object form is used it is assumed that it contains 'data' and 'text' keys. The 'data' key should contain
+     * an array of objects that will be used as choices. These objects must contain at least an 'id' key. The 'text'
+     * key can either be a String in which case it is expected that each element in the 'data' array has a key with the
+     * value of 'text' which will be used to match choices. Alternatively, text can be a function(item) that can extract
+     * the text.
+     */
+    function local(options) {
+        var data = options, // data elements
+            dataText,
+            tmp,
+            text = function (item) { return ""+item.text; }; // function used to retrieve the text portion of a data item that is matched against the search
+
+         if ($.isArray(data)) {
+            tmp = data;
+            data = { results: tmp };
+        }
+
+         if ($.isFunction(data) === false) {
+            tmp = data;
+            data = function() { return tmp; };
+        }
+
+        var dataItem = data();
+        if (dataItem.text) {
+            text = dataItem.text;
+            // if text is not a function we assume it to be a key name
+            if (!$.isFunction(text)) {
+                dataText = dataItem.text; // we need to store this in a separate variable because in the next step data gets reset and data.text is no longer available
+                text = function (item) { return item[dataText]; };
+            }
+        }
+
+        return function (query) {
+            var t = query.term, filtered = { results: [] }, process;
+            if (t === "") {
+                query.callback(data());
+                return;
+            }
+
+            process = function(datum, collection) {
+                var group, attr;
+                datum = datum[0];
+                if (datum.children) {
+                    group = {};
+                    for (attr in datum) {
+                        if (datum.hasOwnProperty(attr)) group[attr]=datum[attr];
+                    }
+                    group.children=[];
+                    $(datum.children).each2(function(i, childDatum) { process(childDatum, group.children); });
+                    if (group.children.length || query.matcher(t, text(group), datum)) {
+                        collection.push(group);
+                    }
+                } else {
+                    if (query.matcher(t, text(datum), datum)) {
+                        collection.push(datum);
+                    }
+                }
+            };
+
+            $(data().results).each2(function(i, datum) { process(datum, filtered.results); });
+            query.callback(filtered);
+        };
+    }
+
+    // TODO javadoc
+    function tags(data) {
+        var isFunc = $.isFunction(data);
+        return function (query) {
+            var t = query.term, filtered = {results: []};
+            var result = isFunc ? data(query) : data;
+            if ($.isArray(result)) {
+                $(result).each(function () {
+                    var isObject = this.text !== undefined,
+                        text = isObject ? this.text : this;
+                    if (t === "" || query.matcher(t, text)) {
+                        filtered.results.push(isObject ? this : {id: this, text: this});
+                    }
+                });
+                query.callback(filtered);
+            }
+        };
+    }
+
+    /**
+     * Checks if the formatter function should be used.
+     *
+     * Throws an error if it is not a function. Returns true if it should be used,
+     * false if no formatting should be performed.
+     *
+     * @param formatter
+     */
+    function checkFormatter(formatter, formatterName) {
+        if ($.isFunction(formatter)) return true;
+        if (!formatter) return false;
+        if (typeof(formatter) === 'string') return true;
+        throw new Error(formatterName +" must be a string, function, or falsy value");
+    }
+
+  /**
+   * Returns a given value
+   * If given a function, returns its output
+   *
+   * @param val string|function
+   * @param context value of "this" to be passed to function
+   * @returns {*}
+   */
+    function evaluate(val, context) {
+        if ($.isFunction(val)) {
+            var args = Array.prototype.slice.call(arguments, 2);
+            return val.apply(context, args);
+        }
+        return val;
+    }
+
+    function countResults(results) {
+        var count = 0;
+        $.each(results, function(i, item) {
+            if (item.children) {
+                count += countResults(item.children);
+            } else {
+                count++;
+            }
+        });
+        return count;
+    }
+
+    /**
+     * Default tokenizer. This function uses breaks the input on substring match of any string from the
+     * opts.tokenSeparators array and uses opts.createSearchChoice to create the choice object. Both of those
+     * two options have to be defined in order for the tokenizer to work.
+     *
+     * @param input text user has typed so far or pasted into the search field
+     * @param selection currently selected choices
+     * @param selectCallback function(choice) callback tho add the choice to selection
+     * @param opts select2's opts
+     * @return undefined/null to leave the current input unchanged, or a string to change the input to the returned value
+     */
+    function defaultTokenizer(input, selection, selectCallback, opts) {
+        var original = input, // store the original so we can compare and know if we need to tell the search to update its text
+            dupe = false, // check for whether a token we extracted represents a duplicate selected choice
+            token, // token
+            index, // position at which the separator was found
+            i, l, // looping variables
+            separator; // the matched separator
+
+        if (!opts.createSearchChoice || !opts.tokenSeparators || opts.tokenSeparators.length < 1) return undefined;
+
+        while (true) {
+            index = -1;
+
+            for (i = 0, l = opts.tokenSeparators.length; i < l; i++) {
+                separator = opts.tokenSeparators[i];
+                index = input.indexOf(separator);
+                if (index >= 0) break;
+            }
+
+            if (index < 0) break; // did not find any token separator in the input string, bail
+
+            token = input.substring(0, index);
+            input = input.substring(index + separator.length);
+
+            if (token.length > 0) {
+                token = opts.createSearchChoice.call(this, token, selection);
+                if (token !== undefined && token !== null && opts.id(token) !== undefined && opts.id(token) !== null) {
+                    dupe = false;
+                    for (i = 0, l = selection.length; i < l; i++) {
+                        if (equal(opts.id(token), opts.id(selection[i]))) {
+                            dupe = true; break;
+                        }
+                    }
+
+                    if (!dupe) selectCallback(token);
+                }
+            }
+        }
+
+        if (original!==input) return input;
+    }
+
+    function cleanupJQueryElements() {
+        var self = this;
+
+        $.each(arguments, function (i, element) {
+            self[element].remove();
+            self[element] = null;
+        });
+    }
+
+    /**
+     * Creates a new class
+     *
+     * @param superClass
+     * @param methods
+     */
+    function clazz(SuperClass, methods) {
+        var constructor = function () {};
+        constructor.prototype = new SuperClass;
+        constructor.prototype.constructor = constructor;
+        constructor.prototype.parent = SuperClass.prototype;
+        constructor.prototype = $.extend(constructor.prototype, methods);
+        return constructor;
+    }
+
+    AbstractSelect2 = clazz(Object, {
+
+        // abstract
+        bind: function (func) {
+            var self = this;
+            return function () {
+                func.apply(self, arguments);
+            };
+        },
+
+        // abstract
+        init: function (opts) {
+            var results, search, resultsSelector = ".select2-results";
+
+            // prepare options
+            this.opts = opts = this.prepareOpts(opts);
+
+            this.id=opts.id;
+
+            // destroy if called on an existing component
+            if (opts.element.data("select2") !== undefined &&
+                opts.element.data("select2") !== null) {
+                opts.element.data("select2").destroy();
+            }
+
+            this.container = this.createContainer();
+
+            this.liveRegion = $('.select2-hidden-accessible');
+            if (this.liveRegion.length == 0) {
+                this.liveRegion = $("<span>", {
+                        role: "status",
+                        "aria-live": "polite"
+                    })
+                    .addClass("select2-hidden-accessible")
+                    .appendTo(document.body);
+            }
+
+            this.containerId="s2id_"+(opts.element.attr("id") || "autogen"+nextUid());
+            this.containerEventName= this.containerId
+                .replace(/([.])/g, '_')
+                .replace(/([;&,\-\.\+\*\~':"\!\^#$%@\[\]\(\)=>\|])/g, '\\$1');
+            this.container.attr("id", this.containerId);
+
+            this.container.attr("title", opts.element.attr("title"));
+
+            this.body = $(document.body);
+
+            syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass);
+
+            this.container.attr("style", opts.element.attr("style"));
+            this.container.css(evaluate(opts.containerCss, this.opts.element));
+            this.container.addClass(evaluate(opts.containerCssClass, this.opts.element));
+
+            this.elementTabIndex = this.opts.element.attr("tabindex");
+
+            // swap container for the element
+            this.opts.element
+                .data("select2", this)
+                .attr("tabindex", "-1")
+                .before(this.container)
+                .on("click.select2", killEvent); // do not leak click events
+
+            this.container.data("select2", this);
+
+            this.dropdown = this.container.find(".select2-drop");
+
+            syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass);
+
+            this.dropdown.addClass(evaluate(opts.dropdownCssClass, this.opts.element));
+            this.dropdown.data("select2", this);
+            this.dropdown.on("click", killEvent);
+
+            this.results = results = this.container.find(resultsSelector);
+            this.search = search = this.container.find("input.select2-input");
+
+            this.queryCount = 0;
+            this.resultsPage = 0;
+            this.context = null;
+
+            // initialize the container
+            this.initContainer();
+
+            this.container.on("click", killEvent);
+
+            installFilteredMouseMove(this.results);
+
+            this.dropdown.on("mousemove-filtered", resultsSelector, this.bind(this.highlightUnderEvent));
+            this.dropdown.on("touchstart touchmove touchend", resultsSelector, this.bind(function (event) {
+                this._touchEvent = true;
+                this.highlightUnderEvent(event);
+            }));
+            this.dropdown.on("touchmove", resultsSelector, this.bind(this.touchMoved));
+            this.dropdown.on("touchstart touchend", resultsSelector, this.bind(this.clearTouchMoved));
+
+            // Waiting for a click event on touch devices to select option and hide dropdown
+            // otherwise click will be triggered on an underlying element
+            this.dropdown.on('click', this.bind(function (event) {
+                if (this._touchEvent) {
+                    this._touchEvent = false;
+                    this.selectHighlighted();
+                }
+            }));
+
+            installDebouncedScroll(80, this.results);
+            this.dropdown.on("scroll-debounced", resultsSelector, this.bind(this.loadMoreIfNeeded));
+
+            // do not propagate change event from the search field out of the component
+            $(this.container).on("change", ".select2-input", function(e) {e.stopPropagation();});
+            $(this.dropdown).on("change", ".select2-input", function(e) {e.stopPropagation();});
+
+            // if jquery.mousewheel plugin is installed we can prevent out-of-bounds scrolling of results via mousewheel
+            if ($.fn.mousewheel) {
+                results.mousewheel(function (e, delta, deltaX, deltaY) {
+                    var top = results.scrollTop();
+                    if (deltaY > 0 && top - deltaY <= 0) {
+                        results.scrollTop(0);
+                        killEvent(e);
+                    } else if (deltaY < 0 && results.get(0).scrollHeight - results.scrollTop() + deltaY <= results.height()) {
+                        results.scrollTop(results.get(0).scrollHeight - results.height());
+                        killEvent(e);
+                    }
+                });
+            }
+
+            installKeyUpChangeEvent(search);
+            search.on("keyup-change input paste", this.bind(this.updateResults));
+            search.on("focus", function () { search.addClass("select2-focused"); });
+            search.on("blur", function () { search.removeClass("select2-focused");});
+
+            this.dropdown.on("mouseup", resultsSelector, this.bind(function (e) {
+                if ($(e.target).closest(".select2-result-selectable").length > 0) {
+                    this.highlightUnderEvent(e);
+                    this.selectHighlighted(e);
+                }
+            }));
+
+            // trap all mouse events from leaving the dropdown. sometimes there may be a modal that is listening
+            // for mouse events outside of itself so it can close itself. since the dropdown is now outside the select2's
+            // dom it will trigger the popup close, which is not what we want
+            // focusin can cause focus wars between modals and select2 since the dropdown is outside the modal.
+            this.dropdown.on("click mouseup mousedown touchstart touchend focusin", function (e) { e.stopPropagation(); });
+
+            this.lastSearchTerm = undefined;
+
+            if ($.isFunction(this.opts.initSelection)) {
+                // initialize selection based on the current value of the source element
+                this.initSelection();
+
+                // if the user has provided a function that can set selection based on the value of the source element
+                // we monitor the change event on the element and trigger it, allowing for two way synchronization
+                this.monitorSource();
+            }
+
+            if (opts.maximumInputLength !== null) {
+                this.search.attr("maxlength", opts.maximumInputLength);
+            }
+
+            var disabled = opts.element.prop("disabled");
+            if (disabled === undefined) disabled = false;
+            this.enable(!disabled);
+
+            var readonly = opts.element.prop("readonly");
+            if (readonly === undefined) readonly = false;
+            this.readonly(readonly);
+
+            // Calculate size of scrollbar
+            scrollBarDimensions = scrollBarDimensions || measureScrollbar();
+
+            this.autofocus = opts.element.prop("autofocus");
+            opts.element.prop("autofocus", false);
+            if (this.autofocus) this.focus();
+
+            this.search.attr("placeholder", opts.searchInputPlaceholder);
+        },
+
+        // abstract
+        destroy: function () {
+            var element=this.opts.element, select2 = element.data("select2"), self = this;
+
+            this.close();
+
+            if (element.length && element[0].detachEvent && self._sync) {
+                element.each(function () {
+                    if (self._sync) {
+                        this.detachEvent("onpropertychange", self._sync);
+                    }
+                });
+            }
+            if (this.propertyObserver) {
+                this.propertyObserver.disconnect();
+                this.propertyObserver = null;
+            }
+            this._sync = null;
+
+            if (select2 !== undefined) {
+                select2.container.remove();
+                select2.liveRegion.remove();
+                select2.dropdown.remove();
+                element.removeData("select2")
+                    .off(".select2");
+                if (!element.is("input[type='hidden']")) {
+                    element
+                        .show()
+                        .prop("autofocus", this.autofocus || false);
+                    if (this.elementTabIndex) {
+                        element.attr({tabindex: this.elementTabIndex});
+                    } else {
+                        element.removeAttr("tabindex");
+                    }
+                    element.show();
+                } else {
+                    element.css("display", "");
+                }
+            }
+
+            cleanupJQueryElements.call(this,
+                "container",
+                "liveRegion",
+                "dropdown",
+                "results",
+                "search"
+            );
+        },
+
+        // abstract
+        optionToData: function(element) {
+            if (element.is("option")) {
+                return {
+                    id:element.prop("value"),
+                    text:element.text(),
+                    element: element.get(),
+                    css: element.attr("class"),
+                    disabled: element.prop("disabled"),
+                    locked: equal(element.attr("locked"), "locked") || equal(element.data("locked"), true)
+                };
+            } else if (element.is("optgroup")) {
+                return {
+                    text:element.attr("label"),
+                    children:[],
+                    element: element.get(),
+                    css: element.attr("class")
+                };
+            }
+        },
+
+        // abstract
+        prepareOpts: function (opts) {
+            var element, select, idKey, ajaxUrl, self = this;
+
+            element = opts.element;
+
+            if (element.get(0).tagName.toLowerCase() === "select") {
+                this.select = select = opts.element;
+            }
+
+            if (select) {
+                // these options are not allowed when attached to a select because they are picked up off the element itself
+                $.each(["id", "multiple", "ajax", "query", "createSearchChoice", "initSelection", "data", "tags"], function () {
+                    if (this in opts) {
+                        throw new Error("Option '" + this + "' is not allowed for Select2 when attached to a <select> element.");
+                    }
+                });
+            }
+
+            opts.debug = opts.debug || $.fn.select2.defaults.debug;
+
+            // Warnings for options renamed/removed in Select2 4.0.0
+            // Only when it's enabled through debug mode
+            if (opts.debug && console && console.warn) {
+                // id was removed
+                if (opts.id != null) {
+                    console.warn(
+                        'Select2: The `id` option has been removed in Select2 4.0.0, ' +
+                        'consider renaming your `id` property or mapping the property before your data makes it to Select2. ' +
+                        'You can read more at https://select2.github.io/announcements-4.0.html#changed-id'
+                    );
+                }
+
+                // text was removed
+                if (opts.text != null) {
+                    console.warn(
+                        'Select2: The `text` option has been removed in Select2 4.0.0, ' +
+                        'consider renaming your `text` property or mapping the property before your data makes it to Select2. ' +
+                        'You can read more at https://select2.github.io/announcements-4.0.html#changed-id'
+                    );
+                }
+
+                // sortResults was renamed to results
+                if (opts.sortResults != null) {
+                    console.warn(
+                        'Select2: the `sortResults` option has been renamed to `sorter` in Select2 4.0.0. '
+                    );
+                }
+
+                // selectOnBlur was renamed to selectOnClose
+                if (opts.selectOnBlur != null) {
+                    console.warn(
+                        'Select2: The `selectOnBlur` option has been renamed to `selectOnClose` in Select2 4.0.0.'
+                    );
+                }
+
+                // ajax.results was renamed to ajax.processResults
+                if (opts.ajax != null && opts.ajax.results != null) {
+                    console.warn(
+                        'Select2: The `ajax.results` option has been renamed to `ajax.processResults` in Select2 4.0.0.'
+                    );
+                }
+
+                // format* options were renamed to language.*
+                if (opts.formatNoResults != null) {
+                    console.warn(
+                        'Select2: The `formatNoResults` option has been renamed to `language.noResults` in Select2 4.0.0.'
+                    );
+                }
+                if (opts.formatSearching != null) {
+                    console.warn(
+                        'Select2: The `formatSearching` option has been renamed to `language.searching` in Select2 4.0.0.'
+                    );
+                }
+                if (opts.formatInputTooShort != null) {
+                    console.warn(
+                        'Select2: The `formatInputTooShort` option has been renamed to `language.inputTooShort` in Select2 4.0.0.'
+                    );
+                }
+                if (opts.formatInputTooLong != null) {
+                    console.warn(
+                        'Select2: The `formatInputTooLong` option has been renamed to `language.inputTooLong` in Select2 4.0.0.'
+                    );
+                }
+                if (opts.formatLoading != null) {
+                    console.warn(
+                        'Select2: The `formatLoading` option has been renamed to `language.loadingMore` in Select2 4.0.0.'
+                    );
+                }
+                if (opts.formatSelectionTooBig != null) {
+                    console.warn(
+                        'Select2: The `formatSelectionTooBig` option has been renamed to `language.maximumSelected` in Select2 4.0.0.'
+                    );
+                }
+
+                if (opts.element.data('select2Tags')) {
+                    console.warn(
+                        'Select2: The `data-select2-tags` attribute has been renamed to `data-tags` in Select2 4.0.0.'
+                    );
+                }
+            }
+
+            // Aliasing options renamed in Select2 4.0.0
+
+            // data-select2-tags -> data-tags
+            if (opts.element.data('tags') != null) {
+                var elemTags = opts.element.data('tags');
+
+                // data-tags should actually be a boolean
+                if (!$.isArray(elemTags)) {
+                    elemTags = [];
+                }
+
+                opts.element.data('select2Tags', elemTags);
+            }
+
+            // sortResults -> sorter
+            if (opts.sorter != null) {
+                opts.sortResults = opts.sorter;
+            }
+
+            // selectOnBlur -> selectOnClose
+            if (opts.selectOnClose != null) {
+                opts.selectOnBlur = opts.selectOnClose;
+            }
+
+            // ajax.results -> ajax.processResults
+            if (opts.ajax != null) {
+                if ($.isFunction(opts.ajax.processResults)) {
+                    opts.ajax.results = opts.ajax.processResults;
+                }
+            }
+
+            // Formatters/language options
+            if (opts.language != null) {
+                var lang = opts.language;
+
+                // formatNoMatches -> language.noMatches
+                if ($.isFunction(lang.noMatches)) {
+                    opts.formatNoMatches = lang.noMatches;
+                }
+
+                // formatSearching -> language.searching
+                if ($.isFunction(lang.searching)) {
+                    opts.formatSearching = lang.searching;
+                }
+
+                // formatInputTooShort -> language.inputTooShort
+                if ($.isFunction(lang.inputTooShort)) {
+                    opts.formatInputTooShort = lang.inputTooShort;
+                }
+
+                // formatInputTooLong -> language.inputTooLong
+                if ($.isFunction(lang.inputTooLong)) {
+                    opts.formatInputTooLong = lang.inputTooLong;
+                }
+
+                // formatLoading -> language.loadingMore
+                if ($.isFunction(lang.loadingMore)) {
+                    opts.formatLoading = lang.loadingMore;
+                }
+
+                // formatSelectionTooBig -> language.maximumSelected
+                if ($.isFunction(lang.maximumSelected)) {
+                    opts.formatSelectionTooBig = lang.maximumSelected;
+                }
+            }
+
+            opts = $.extend({}, {
+                populateResults: function(container, results, query) {
+                    var populate, id=this.opts.id, liveRegion=this.liveRegion;
+
+                    populate=function(results, container, depth) {
+
+                        var i, l, result, selectable, disabled, compound, node, label, innerContainer, formatted;
+
+                        results = opts.sortResults(results, container, query);
+
+                        // collect the created nodes for bulk append
+                        var nodes = [];
+                        for (i = 0, l = results.length; i < l; i = i + 1) {
+
+                            result=results[i];
+
+                            disabled = (result.disabled === true);
+                            selectable = (!disabled) && (id(result) !== undefined);
+
+                            compound=result.children && result.children.length > 0;
+
+                            node=$("<li></li>");
+                            node.addClass("select2-results-dept-"+depth);
+                            node.addClass("select2-result");
+                            node.addClass(selectable ? "select2-result-selectable" : "select2-result-unselectable");
+                            if (disabled) { node.addClass("select2-disabled"); }
+                            if (compound) { node.addClass("select2-result-with-children"); }
+                            node.addClass(self.opts.formatResultCssClass(result));
+                            node.attr("role", "presentation");
+
+                            label=$(document.createElement("div"));
+                            label.addClass("select2-result-label");
+                            label.attr("id", "select2-result-label-" + nextUid());
+                            label.attr("role", "option");
+
+                            formatted=opts.formatResult(result, label, query, self.opts.escapeMarkup);
+                            if (formatted!==undefined) {
+                                label.html(formatted);
+                                node.append(label);
+                            }
+
+
+                            if (compound) {
+                                innerContainer=$("<ul></ul>");
+                                innerContainer.addClass("select2-result-sub");
+                                populate(result.children, innerContainer, depth+1);
+                                node.append(innerContainer);
+                            }
+
+                            node.data("select2-data", result);
+                            nodes.push(node[0]);
+                        }
+
+                        // bulk append the created nodes
+                        container.append(nodes);
+                        liveRegion.text(opts.formatMatches(results.length));
+                    };
+
+                    populate(results, container, 0);
+                }
+            }, $.fn.select2.defaults, opts);
+
+            if (typeof(opts.id) !== "function") {
+                idKey = opts.id;
+                opts.id = function (e) { return e[idKey]; };
+            }
+
+            if ($.isArray(opts.element.data("select2Tags"))) {
+                if ("tags" in opts) {
+                    throw "tags specified as both an attribute 'data-select2-tags' and in options of Select2 " + opts.element.attr("id");
+                }
+                opts.tags=opts.element.data("select2Tags");
+            }
+
+            if (select) {
+                opts.query = this.bind(function (query) {
+                    var data = { results: [], more: false },
+                        term = query.term,
+                        children, placeholderOption, process;
+
+                    process=function(element, collection) {
+                        var group;
+                        if (element.is("option")) {
+                            if (query.matcher(term, element.text(), element)) {
+                                collection.push(self.optionToData(element));
+                            }
+                        } else if (element.is("optgroup")) {
+                            group=self.optionToData(element);
+                            element.children().each2(function(i, elm) { process(elm, group.children); });
+                            if (group.children.length>0) {
+                                collection.push(group);
+                            }
+                        }
+                    };
+
+                    children=element.children();
+
+                    // ignore the placeholder option if there is one
+                    if (this.getPlaceholder() !== undefined && children.length > 0) {
+                        placeholderOption = this.getPlaceholderOption();
+                        if (placeholderOption) {
+                            children=children.not(placeholderOption);
+                        }
+                    }
+
+                    children.each2(function(i, elm) { process(elm, data.results); });
+
+                    query.callback(data);
+                });
+                // this is needed because inside val() we construct choices from options and their id is hardcoded
+                opts.id=function(e) { return e.id; };
+            } else {
+                if (!("query" in opts)) {
+                    if ("ajax" in opts) {
+                        ajaxUrl = opts.element.data("ajax-url");
+                        if (ajaxUrl && ajaxUrl.length > 0) {
+                            opts.ajax.url = ajaxUrl;
+                        }
+                        opts.query = ajax.call(opts.element, opts.ajax);
+                    } else if ("data" in opts) {
+                        opts.query = local(opts.data);
+                    } else if ("tags" in opts) {
+                        opts.query = tags(opts.tags);
+                        if (opts.createSearchChoice === undefined) {
+                            opts.createSearchChoice = function (term) { return {id: $.trim(term), text: $.trim(term)}; };
+                        }
+                        if (opts.initSelection === undefined) {
+                            opts.initSelection = function (element, callback) {
+                                var data = [];
+                                $(splitVal(element.val(), opts.separator, opts.transformVal)).each(function () {
+                                    var obj = { id: this, text: this },
+                                        tags = opts.tags;
+                                    if ($.isFunction(tags)) tags=tags();
+                                    $(tags).each(function() { if (equal(this.id, obj.id)) { obj = this; return false; } });
+                                    data.push(obj);
+                                });
+
+                                callback(data);
+                            };
+                        }
+                    }
+                }
+            }
+            if (typeof(opts.query) !== "function") {
+                throw "query function not defined for Select2 " + opts.element.attr("id");
+            }
+
+            if (opts.createSearchChoicePosition === 'top') {
+                opts.createSearchChoicePosition = function(list, item) { list.unshift(item); };
+            }
+            else if (opts.createSearchChoicePosition === 'bottom') {
+                opts.createSearchChoicePosition = function(list, item) { list.push(item); };
+            }
+            else if (typeof(opts.createSearchChoicePosition) !== "function")  {
+                throw "invalid createSearchChoicePosition option must be 'top', 'bottom' or a custom function";
+            }
+
+            return opts;
+        },
+
+        /**
+         * Monitor the original element for changes and update select2 accordingly
+         */
+        // abstract
+        monitorSource: function () {
+            var el = this.opts.element, observer, self = this;
+
+            el.on("change.select2", this.bind(function (e) {
+                if (this.opts.element.data("select2-change-triggered") !== true) {
+                    this.initSelection();
+                }
+            }));
+
+            this._sync = this.bind(function () {
+
+                // sync enabled state
+                var disabled = el.prop("disabled");
+                if (disabled === undefined) disabled = false;
+                this.enable(!disabled);
+
+                var readonly = el.prop("readonly");
+                if (readonly === undefined) readonly = false;
+                this.readonly(readonly);
+
+                if (this.container) {
+                    syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass);
+                    this.container.addClass(evaluate(this.opts.containerCssClass, this.opts.element));
+                }
+
+                if (this.dropdown) {
+                    syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass);
+                    this.dropdown.addClass(evaluate(this.opts.dropdownCssClass, this.opts.element));
+                }
+
+            });
+
+            // IE8-10 (IE9/10 won't fire propertyChange via attachEventListener)
+            if (el.length && el[0].attachEvent) {
+                el.each(function() {
+                    this.attachEvent("onpropertychange", self._sync);
+                });
+            }
+
+            // safari, chrome, firefox, IE11
+            observer = window.MutationObserver || window.WebKitMutationObserver|| window.MozMutationObserver;
+            if (observer !== undefined) {
+                if (this.propertyObserver) { delete this.propertyObserver; this.propertyObserver = null; }
+                this.propertyObserver = new observer(function (mutations) {
+                    $.each(mutations, self._sync);
+                });
+                this.propertyObserver.observe(el.get(0), { attributes:true, subtree:false });
+            }
+        },
+
+        // abstract
+        triggerSelect: function(data) {
+            var evt = $.Event("select2-selecting", { val: this.id(data), object: data, choice: data });
+            this.opts.element.trigger(evt);
+            return !evt.isDefaultPrevented();
+        },
+
+        /**
+         * Triggers the change event on the source element
+         */
+        // abstract
+        triggerChange: function (details) {
+
+            details = details || {};
+            details= $.extend({}, details, { type: "change", val: this.val() });
+            // prevents recursive triggering
+            this.opts.element.data("select2-change-triggered", true);
+            this.opts.element.trigger(details);
+            this.opts.element.data("select2-change-triggered", false);
+
+            // some validation frameworks ignore the change event and listen instead to keyup, click for selects
+            // so here we trigger the click event manually
+            this.opts.element.click();
+
+            // ValidationEngine ignores the change event and listens instead to blur
+            // so here we trigger the blur event manually if so desired
+            if (this.opts.blurOnChange)
+                this.opts.element.blur();
+        },
+
+        //abstract
+        isInterfaceEnabled: function()
+        {
+            return this.enabledInterface === true;
+        },
+
+        // abstract
+        enableInterface: function() {
+            var enabled = this._enabled && !this._readonly,
+                disabled = !enabled;
+
+            if (enabled === this.enabledInterface) return false;
+
+            this.container.toggleClass("select2-container-disabled", disabled);
+            this.close();
+            this.enabledInterface = enabled;
+
+            return true;
+        },
+
+        // abstract
+        enable: function(enabled) {
+            if (enabled === undefined) enabled = true;
+            if (this._enabled === enabled) return;
+            this._enabled = enabled;
+
+            this.opts.element.prop("disabled", !enabled);
+            this.enableInterface();
+        },
+
+        // abstract
+        disable: function() {
+            this.enable(false);
+        },
+
+        // abstract
+        readonly: function(enabled) {
+            if (enabled === undefined) enabled = false;
+            if (this._readonly === enabled) return;
+            this._readonly = enabled;
+
+            this.opts.element.prop("readonly", enabled);
+            this.enableInterface();
+        },
+
+        // abstract
+        opened: function () {
+            return (this.container) ? this.container.hasClass("select2-dropdown-open") : false;
+        },
+
+        // abstract
+        positionDropdown: function() {
+            var $dropdown = this.dropdown,
+                container = this.container,
+                offset = container.offset(),
+                height = container.outerHeight(false),
+                width = container.outerWidth(false),
+                dropHeight = $dropdown.outerHeight(false),
+                $window = $(window),
+                windowWidth = $window.width(),
+                windowHeight = $window.height(),
+                viewPortRight = $window.scrollLeft() + windowWidth,
+                viewportBottom = $window.scrollTop() + windowHeight,
+                dropTop = offset.top + height,
+                dropLeft = offset.left,
+                enoughRoomBelow = dropTop + dropHeight <= viewportBottom,
+                enoughRoomAbove = (offset.top - dropHeight) >= $window.scrollTop(),
+                dropWidth = $dropdown.outerWidth(false),
+                enoughRoomOnRight = function() {
+                    return dropLeft + dropWidth <= viewPortRight;
+                },
+                enoughRoomOnLeft = function() {
+                    return offset.left + viewPortRight + container.outerWidth(false)  > dropWidth;
+                },
+                aboveNow = $dropdown.hasClass("select2-drop-above"),
+                bodyOffset,
+                above,
+                changeDirection,
+                css,
+                resultsListNode;
+
+            // always prefer the current above/below alignment, unless there is not enough room
+            if (aboveNow) {
+                above = true;
+                if (!enoughRoomAbove && enoughRoomBelow) {
+                    changeDirection = true;
+                    above = false;
+                }
+            } else {
+                above = false;
+                if (!enoughRoomBelow && enoughRoomAbove) {
+                    changeDirection = true;
+                    above = true;
+                }
+            }
+
+            //if we are changing direction we need to get positions when dropdown is hidden;
+            if (changeDirection) {
+                $dropdown.hide();
+                offset = this.container.offset();
+                height = this.container.outerHeight(false);
+                width = this.container.outerWidth(false);
+                dropHeight = $dropdown.outerHeight(false);
+                viewPortRight = $window.scrollLeft() + windowWidth;
+                viewportBottom = $window.scrollTop() + windowHeight;
+                dropTop = offset.top + height;
+                dropLeft = offset.left;
+                dropWidth = $dropdown.outerWidth(false);
+                $dropdown.show();
+
+                // fix so the cursor does not move to the left within the search-textbox in IE
+                this.focusSearch();
+            }
+
+            if (this.opts.dropdownAutoWidth) {
+                resultsListNode = $('.select2-results', $dropdown)[0];
+                $dropdown.addClass('select2-drop-auto-width');
+                $dropdown.css('width', '');
+                // Add scrollbar width to dropdown if vertical scrollbar is present
+                dropWidth = $dropdown.outerWidth(false) + (resultsListNode.scrollHeight === resultsListNode.clientHeight ? 0 : scrollBarDimensions.width);
+                dropWidth > width ? width = dropWidth : dropWidth = width;
+                dropHeight = $dropdown.outerHeight(false);
+            }
+            else {
+                this.container.removeClass('select2-drop-auto-width');
+            }
+
+            //console.log("below/ droptop:", dropTop, "dropHeight", dropHeight, "sum", (dropTop+dropHeight)+" viewport bottom", viewportBottom, "enough?", enoughRoomBelow);
+            //console.log("above/ offset.top", offset.top, "dropHeight", dropHeight, "top", (offset.top-dropHeight), "scrollTop", this.body.scrollTop(), "enough?", enoughRoomAbove);
+
+            // fix positioning when body has an offset and is not position: static
+            if (this.body.css('position') !== 'static') {
+                bodyOffset = this.body.offset();
+                dropTop -= bodyOffset.top;
+                dropLeft -= bodyOffset.left;
+            }
+
+            if (!enoughRoomOnRight() && enoughRoomOnLeft()) {
+                dropLeft = offset.left + this.container.outerWidth(false) - dropWidth;
+            }
+
+            css =  {
+                left: dropLeft,
+                width: width
+            };
+
+            if (above) {
+                this.container.addClass("select2-drop-above");
+                $dropdown.addClass("select2-drop-above");
+                dropHeight = $dropdown.outerHeight(false);
+                css.top = offset.top - dropHeight;
+                css.bottom = 'auto';
+            }
+            else {
+                css.top = dropTop;
+                css.bottom = 'auto';
+                this.container.removeClass("select2-drop-above");
+                $dropdown.removeClass("select2-drop-above");
+            }
+            css = $.extend(css, evaluate(this.opts.dropdownCss, this.opts.element));
+
+            $dropdown.css(css);
+        },
+
+        // abstract
+        shouldOpen: function() {
+            var event;
+
+            if (this.opened()) return false;
+
+            if (this._enabled === false || this._readonly === true) return false;
+
+            event = $.Event("select2-opening");
+            this.opts.element.trigger(event);
+            return !event.isDefaultPrevented();
+        },
+
+        // abstract
+        clearDropdownAlignmentPreference: function() {
+            // clear the classes used to figure out the preference of where the dropdown should be opened
+            this.container.removeClass("select2-drop-above");
+            this.dropdown.removeClass("select2-drop-above");
+        },
+
+        /**
+         * Opens the dropdown
+         *
+         * @return {Boolean} whether or not dropdown was opened. This method will return false if, for example,
+         * the dropdown is already open, or if the 'open' event listener on the element called preventDefault().
+         */
+        // abstract
+        open: function () {
+
+            if (!this.shouldOpen()) return false;
+
+            this.opening();
+
+            // Only bind the document mousemove when the dropdown is visible
+            $document.on("mousemove.select2Event", function (e) {
+                lastMousePosition.x = e.pageX;
+                lastMousePosition.y = e.pageY;
+            });
+
+            return true;
+        },
+
+        /**
+         * Performs the opening of the dropdown
+         */
+        // abstract
+        opening: function() {
+            var cid = this.containerEventName,
+                scroll = "scroll." + cid,
+                resize = "resize."+cid,
+                orient = "orientationchange."+cid,
+                mask;
+
+            this.container.addClass("select2-dropdown-open").addClass("select2-container-active");
+
+            this.clearDropdownAlignmentPreference();
+
+            if(this.dropdown[0] !== this.body.children().last()[0]) {
+                this.dropdown.detach().appendTo(this.body);
+            }
+
+            // create the dropdown mask if doesn't already exist
+            mask = $("#select2-drop-mask");
+            if (mask.length === 0) {
+                mask = $(document.createElement("div"));
+                mask.attr("id","select2-drop-mask").attr("class","select2-drop-mask");
+                mask.hide();
+                mask.appendTo(this.body);
+                mask.on("mousedown touchstart click", function (e) {
+                    // Prevent IE from generating a click event on the body
+                    reinsertElement(mask);
+
+                    var dropdown = $("#select2-drop"), self;
+                    if (dropdown.length > 0) {
+                        self=dropdown.data("select2");
+                        if (self.opts.selectOnBlur) {
+                            self.selectHighlighted({noFocus: true});
+                        }
+                        self.close();
+                        e.preventDefault();
+                        e.stopPropagation();
+                    }
+                });
+            }
+
+            // ensure the mask is always right before the dropdown
+            if (this.dropdown.prev()[0] !== mask[0]) {
+                this.dropdown.before(mask);
+            }
+
+            // move the global id to the correct dropdown
+            $("#select2-drop").removeAttr("id");
+            this.dropdown.attr("id", "select2-drop");
+
+            // show the elements
+            mask.show();
+
+            this.positionDropdown();
+            this.dropdown.show();
+            this.positionDropdown();
+
+            this.dropdown.addClass("select2-drop-active");
+
+            // attach listeners to events that can change the position of the container and thus require
+            // the position of the dropdown to be updated as well so it does not come unglued from the container
+            var that = this;
+            this.container.parents().add(window).each(function () {
+                $(this).on(resize+" "+scroll+" "+orient, function (e) {
+                    if (that.opened()) that.positionDropdown();
+                });
+            });
+
+
+        },
+
+        // abstract
+        close: function () {
+            if (!this.opened()) return;
+
+            var cid = this.containerEventName,
+                scroll = "scroll." + cid,
+                resize = "resize."+cid,
+                orient = "orientationchange."+cid;
+
+            // unbind event listeners
+            this.container.parents().add(window).each(function () { $(this).off(scroll).off(resize).off(orient); });
+
+            this.clearDropdownAlignmentPreference();
+
+            $("#select2-drop-mask").hide();
+            this.dropdown.removeAttr("id"); // only the active dropdown has the select2-drop id
+            this.dropdown.hide();
+            this.container.removeClass("select2-dropdown-open").removeClass("select2-container-active");
+            this.results.empty();
+
+            // Now that the dropdown is closed, unbind the global document mousemove event
+            $document.off("mousemove.select2Event");
+
+            this.clearSearch();
+            this.search.removeClass("select2-active");
+
+            // Remove the aria active descendant for highlighted element
+            this.search.removeAttr("aria-activedescendant");
+            this.opts.element.trigger($.Event("select2-close"));
+        },
+
+        /**
+         * Opens control, sets input value, and updates results.
+         */
+        // abstract
+        externalSearch: function (term) {
+            this.open();
+            this.search.val(term);
+            this.updateResults(false);
+        },
+
+        // abstract
+        clearSearch: function () {
+
+        },
+
+        /**
+         * @return {Boolean} Whether or not search value was changed.
+         * @private
+         */
+        prefillNextSearchTerm: function () {
+            // initializes search's value with nextSearchTerm (if defined by user)
+            // ignore nextSearchTerm if the dropdown is opened by the user pressing a letter
+            if(this.search.val() !== "") {
+                return false;
+            }
+
+            var nextSearchTerm = this.opts.nextSearchTerm(this.data(), this.lastSearchTerm);
+            if(nextSearchTerm !== undefined){
+                this.search.val(nextSearchTerm);
+                this.search.select();
+                return true;
+            }
+
+            return false;
+        },
+
+        //abstract
+        getMaximumSelectionSize: function() {
+            return evaluate(this.opts.maximumSelectionSize, this.opts.element);
+        },
+
+        // abstract
+        ensureHighlightVisible: function () {
+            var results = this.results, children, index, child, hb, rb, y, more, topOffset;
+
+            index = this.highlight();
+
+            if (index < 0) return;
+
+            if (index == 0) {
+
+                // if the first element is highlighted scroll all the way to the top,
+                // that way any unselectable headers above it will also be scrolled
+                // into view
+
+                results.scrollTop(0);
+                return;
+            }
+
+            children = this.findHighlightableChoices().find('.select2-result-label');
+
+            child = $(children[index]);
+
+            topOffset = (child.offset() || {}).top || 0;
+
+            hb = topOffset + child.outerHeight(true);
+
+            // if this is the last child lets also make sure select2-more-results is visible
+            if (index === children.length - 1) {
+                more = results.find("li.select2-more-results");
+                if (more.length > 0) {
+                    hb = more.offset().top + more.outerHeight(true);
+                }
+            }
+
+            rb = results.offset().top + results.outerHeight(false);
+            if (hb > rb) {
+                results.scrollTop(results.scrollTop() + (hb - rb));
+            }
+            y = topOffset - results.offset().top;
+
+            // make sure the top of the element is visible
+            if (y < 0 && child.css('display') != 'none' ) {
+                results.scrollTop(results.scrollTop() + y); // y is negative
+            }
+        },
+
+        // abstract
+        findHighlightableChoices: function() {
+            return this.results.find(".select2-result-selectable:not(.select2-disabled):not(.select2-selected)");
+        },
+
+        // abstract
+        moveHighlight: function (delta) {
+            var choices = this.findHighlightableChoices(),
+                index = this.highlight();
+
+            while (index > -1 && index < choices.length) {
+                index += delta;
+                var choice = $(choices[index]);
+                if (choice.hasClass("select2-result-selectable") && !choice.hasClass("select2-disabled") && !choice.hasClass("select2-selected")) {
+                    this.highlight(index);
+                    break;
+                }
+            }
+        },
+
+        // abstract
+        highlight: function (index) {
+            var choices = this.findHighlightableChoices(),
+                choice,
+                data;
+
+            if (arguments.length === 0) {
+                return indexOf(choices.filter(".select2-highlighted")[0], choices.get());
+            }
+
+            if (index >= choices.length) index = choices.length - 1;
+            if (index < 0) index = 0;
+
+            this.removeHighlight();
+
+            choice = $(choices[index]);
+            choice.addClass("select2-highlighted");
+
+            // ensure assistive technology can determine the active choice
+            this.search.attr("aria-activedescendant", choice.find(".select2-result-label").attr("id"));
+
+            this.ensureHighlightVisible();
+
+            this.liveRegion.text(choice.text());
+
+            data = choice.data("select2-data");
+            if (data) {
+                this.opts.element.trigger({ type: "select2-highlight", val: this.id(data), choice: data });
+            }
+        },
+
+        removeHighlight: function() {
+            this.results.find(".select2-highlighted").removeClass("select2-highlighted");
+        },
+
+        touchMoved: function() {
+            this._touchMoved = true;
+        },
+
+        clearTouchMoved: function() {
+          this._touchMoved = false;
+        },
+
+        // abstract
+        countSelectableResults: function() {
+            return this.findHighlightableChoices().length;
+        },
+
+        // abstract
+        highlightUnderEvent: function (event) {
+            var el = $(event.target).closest(".select2-result-selectable");
+            if (el.length > 0 && !el.is(".select2-highlighted")) {
+                var choices = this.findHighlightableChoices();
+                this.highlight(choices.index(el));
+            } else if (el.length == 0) {
+                // if we are over an unselectable item remove all highlights
+                this.removeHighlight();
+            }
+        },
+
+        // abstract
+        loadMoreIfNeeded: function () {
+            var results = this.results,
+                more = results.find("li.select2-more-results"),
+                below, // pixels the element is below the scroll fold, below==0 is when the element is starting to be visible
+                page = this.resultsPage + 1,
+                self=this,
+                term=this.search.val(),
+                context=this.context;
+
+            if (more.length === 0) return;
+            below = more.offset().top - results.offset().top - results.height();
+
+            if (below <= this.opts.loadMorePadding) {
+                more.addClass("select2-active");
+                this.opts.query({
+                        element: this.opts.element,
+                        term: term,
+                        page: page,
+                        context: context,
+                        matcher: this.opts.matcher,
+                        callback: this.bind(function (data) {
+
+                    // ignore a response if the select2 has been closed before it was received
+                    if (!self.opened()) return;
+
+
+                    self.opts.populateResults.call(this, results, data.results, {term: term, page: page, context:context});
+                    self.postprocessResults(data, false, false);
+
+                    if (data.more===true) {
+                        more.detach().appendTo(results).html(self.opts.escapeMarkup(evaluate(self.opts.formatLoadMore, self.opts.element, page+1)));
+                        window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10);
+                    } else {
+                        more.remove();
+                    }
+                    self.positionDropdown();
+                    self.resultsPage = page;
+                    self.context = data.context;
+                    this.opts.element.trigger({ type: "select2-loaded", items: data });
+                })});
+            }
+        },
+
+        /**
+         * Default tokenizer function which does nothing
+         */
+        tokenize: function() {
+
+        },
+
+        /**
+         * @param initial whether or not this is the call to this method right after the dropdown has been opened
+         */
+        // abstract
+        updateResults: function (initial) {
+            var search = this.search,
+                results = this.results,
+                opts = this.opts,
+                data,
+                self = this,
+                input,
+                term = search.val(),
+                lastTerm = $.data(this.container, "select2-last-term"),
+                // sequence number used to drop out-of-order responses
+                queryNumber;
+
+            // prevent duplicate queries against the same term
+            if (initial !== true && lastTerm && equal(term, lastTerm)) return;
+
+            $.data(this.container, "select2-last-term", term);
+
+            // if the search is currently hidden we do not alter the results
+            if (initial !== true && (this.showSearchInput === false || !this.opened())) {
+                return;
+            }
+
+            function postRender() {
+                search.removeClass("select2-active");
+                self.positionDropdown();
+                if (results.find('.select2-no-results,.select2-selection-limit,.select2-searching').length) {
+                    self.liveRegion.text(results.text());
+                }
+                else {
+                    self.liveRegion.text(self.opts.formatMatches(results.find('.select2-result-selectable:not(".select2-selected")').length));
+                }
+            }
+
+            function render(html) {
+                results.html(html);
+                postRender();
+            }
+
+            queryNumber = ++this.queryCount;
+
+            var maxSelSize = this.getMaximumSelectionSize();
+            if (maxSelSize >=1) {
+                data = this.data();
+                if ($.isArray(data) && data.length >= maxSelSize && checkFormatter(opts.formatSelectionTooBig, "formatSelectionTooBig")) {
+                    render("<li class='select2-selection-limit'>" + evaluate(opts.formatSelectionTooBig, opts.element, maxSelSize) + "</li>");
+                    return;
+                }
+            }
+
+            if (search.val().length < opts.minimumInputLength) {
+                if (checkFormatter(opts.formatInputTooShort, "formatInputTooShort")) {
+                    render("<li class='select2-no-results'>" + evaluate(opts.formatInputTooShort, opts.element, search.val(), opts.minimumInputLength) + "</li>");
+                } else {
+                    render("");
+                }
+                if (initial && this.showSearch) this.showSearch(true);
+                return;
+            }
+
+            if (opts.maximumInputLength && search.val().length > opts.maximumInputLength) {
+                if (checkFormatter(opts.formatInputTooLong, "formatInputTooLong")) {
+                    render("<li class='select2-no-results'>" + evaluate(opts.formatInputTooLong, opts.element, search.val(), opts.maximumInputLength) + "</li>");
+                } else {
+                    render("");
+                }
+                return;
+            }
+
+            if (opts.formatSearching && this.findHighlightableChoices().length === 0) {
+                render("<li class='select2-searching'>" + evaluate(opts.formatSearching, opts.element) + "</li>");
+            }
+
+            search.addClass("select2-active");
+
+            this.removeHighlight();
+
+            // give the tokenizer a chance to pre-process the input
+            input = this.tokenize();
+            if (input != undefined && input != null) {
+                search.val(input);
+            }
+
+            this.resultsPage = 1;
+
+            opts.query({
+                element: opts.element,
+                    term: search.val(),
+                    page: this.resultsPage,
+                    context: null,
+                    matcher: opts.matcher,
+                    callback: this.bind(function (data) {
+                var def; // default choice
+
+                // ignore old responses
+                if (queryNumber != this.queryCount) {
+                  return;
+                }
+
+                // ignore a response if the select2 has been closed before it was received
+                if (!this.opened()) {
+                    this.search.removeClass("select2-active");
+                    return;
+                }
+
+                // handle ajax error
+                if(data.hasError !== undefined && checkFormatter(opts.formatAjaxError, "formatAjaxError")) {
+                    render("<li class='select2-ajax-error'>" + evaluate(opts.formatAjaxError, opts.element, data.jqXHR, data.textStatus, data.errorThrown) + "</li>");
+                    return;
+                }
+
+                // save context, if any
+                this.context = (data.context===undefined) ? null : data.context;
+                // create a default choice and prepend it to the list
+                if (this.opts.createSearchChoice && search.val() !== "") {
+                    def = this.opts.createSearchChoice.call(self, search.val(), data.results);
+                    if (def !== undefined && def !== null && self.id(def) !== undefined && self.id(def) !== null) {
+                        if ($(data.results).filter(
+                            function () {
+                                return equal(self.id(this), self.id(def));
+                            }).length === 0) {
+                            this.opts.createSearchChoicePosition(data.results, def);
+                        }
+                    }
+                }
+
+                if (data.results.length === 0 && checkFormatter(opts.formatNoMatches, "formatNoMatches")) {
+                    render("<li class='select2-no-results'>" + evaluate(opts.formatNoMatches, opts.element, search.val()) + "</li>");
+                    if(this.showSearch){
+                        this.showSearch(search.val());
+                    }
+                    return;
+                }
+
+                results.empty();
+                self.opts.populateResults.call(this, results, data.results, {term: search.val(), page: this.resultsPage, context:null});
+
+                if (data.more === true && checkFormatter(opts.formatLoadMore, "formatLoadMore")) {
+                    results.append("<li class='select2-more-results'>" + opts.escapeMarkup(evaluate(opts.formatLoadMore, opts.element, this.resultsPage)) + "</li>");
+                    window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10);
+                }
+
+                this.postprocessResults(data, initial);
+
+                postRender();
+
+                this.opts.element.trigger({ type: "select2-loaded", items: data });
+            })});
+        },
+
+        // abstract
+        cancel: function () {
+            this.close();
+        },
+
+        // abstract
+        blur: function () {
+            // if selectOnBlur == true, select the currently highlighted option
+            if (this.opts.selectOnBlur)
+                this.selectHighlighted({noFocus: true});
+
+            this.close();
+            this.container.removeClass("select2-container-active");
+            // synonymous to .is(':focus'), which is available in jquery >= 1.6
+            if (this.search[0] === document.activeElement) { this.search.blur(); }
+            this.clearSearch();
+            this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus");
+        },
+
+        // abstract
+        focusSearch: function () {
+            focus(this.search);
+        },
+
+        // abstract
+        selectHighlighted: function (options) {
+            if (this._touchMoved) {
+              this.clearTouchMoved();
+              return;
+            }
+            var index=this.highlight(),
+                highlighted=this.results.find(".select2-highlighted"),
+                data = highlighted.closest('.select2-result').data("select2-data");
+
+            if (data) {
+                this.highlight(index);
+                this.onSelect(data, options);
+            } else if (options && options.noFocus) {
+                this.close();
+            }
+        },
+
+        // abstract
+        getPlaceholder: function () {
+            var placeholderOption;
+            return this.opts.element.attr("placeholder") ||
+                this.opts.element.attr("data-placeholder") || // jquery 1.4 compat
+                this.opts.element.data("placeholder") ||
+                this.opts.placeholder ||
+                ((placeholderOption = this.getPlaceholderOption()) !== undefined ? placeholderOption.text() : undefined);
+        },
+
+        // abstract
+        getPlaceholderOption: function() {
+            if (this.select) {
+                var firstOption = this.select.children('option').first();
+                if (this.opts.placeholderOption !== undefined ) {
+                    //Determine the placeholder option based on the specified placeholderOption setting
+                    return (this.opts.placeholderOption === "first" && firstOption) ||
+                           (typeof this.opts.placeholderOption === "function" && this.opts.placeholderOption(this.select));
+                } else if ($.trim(firstOption.text()) === "" && firstOption.val() === "") {
+                    //No explicit placeholder option specified, use the first if it's blank
+                    return firstOption;
+                }
+            }
+        },
+
+        /**
+         * Get the desired width for the container element.  This is
+         * derived first from option `width` passed to select2, then
+         * the inline 'style' on the original element, and finally
+         * falls back to the jQuery calculated element width.
+         */
+        // abstract
+        initContainerWidth: function () {
+            function resolveContainerWidth() {
+                var style, attrs, matches, i, l, attr;
+
+                if (this.opts.width === "off") {
+                    return null;
+                } else if (this.opts.width === "element"){
+                    return this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px';
+                } else if (this.opts.width === "copy" || this.opts.width === "resolve") {
+                    // check if there is inline style on the element that contains width
+                    style = this.opts.element.attr('style');
+                    if (typeof(style) === "string") {
+                        attrs = style.split(';');
+                        for (i = 0, l = attrs.length; i < l; i = i + 1) {
+                            attr = attrs[i].replace(/\s/g, '');
+                            matches = attr.match(/^width:(([-+]?([0-9]*\.)?[0-9]+)(px|em|ex|%|in|cm|mm|pt|pc))/i);
+                            if (matches !== null && matches.length >= 1)
+                                return matches[1];
+                        }
+                    }
+
+                    if (this.opts.width === "resolve") {
+                        // next check if css('width') can resolve a width that is percent based, this is sometimes possible
+                        // when attached to input type=hidden or elements hidden via css
+                        style = this.opts.element.css('width');
+                        if (style.indexOf("%") > 0) return style;
+
+                        // finally, fallback on the calculated width of the element
+                        return (this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px');
+                    }
+
+                    return null;
+                } else if ($.isFunction(this.opts.width)) {
+                    return this.opts.width();
+                } else {
+                    return this.opts.width;
+               }
+            };
+
+            var width = resolveContainerWidth.call(this);
+            if (width !== null) {
+                this.container.css("width", width);
+            }
+        }
+    });
+
+    SingleSelect2 = clazz(AbstractSelect2, {
+
+        // single
+
+        createContainer: function () {
+            var container = $(document.createElement("div")).attr({
+                "class": "select2-container"
+            }).html([
+                "<a href='javascript:void(0)' class='select2-choice' tabindex='-1'>",
+                "   <span class='select2-chosen'>&#160;</span><abbr class='select2-search-choice-close'></abbr>",
+                "   <span class='select2-arrow' role='presentation'><b role='presentation'></b></span>",
+                "</a>",
+                "<label for='' class='select2-offscreen'></label>",
+                "<input class='select2-focusser select2-offscreen' type='text' aria-haspopup='true' role='button' />",
+                "<div class='select2-drop select2-display-none'>",
+                "   <div class='select2-search'>",
+                "       <label for='' class='select2-offscreen'></label>",
+                "       <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input' role='combobox' aria-expanded='true'",
+                "       aria-autocomplete='list' />",
+                "   </div>",
+                "   <ul class='select2-results' role='listbox'>",
+                "   </ul>",
+                "</div>"].join(""));
+            return container;
+        },
+
+        // single
+        enableInterface: function() {
+            if (this.parent.enableInterface.apply(this, arguments)) {
+                this.focusser.prop("disabled", !this.isInterfaceEnabled());
+            }
+        },
+
+        // single
+        opening: function () {
+            var el, range, len;
+
+            if (this.opts.minimumResultsForSearch >= 0) {
+                this.showSearch(true);
+            }
+
+            this.parent.opening.apply(this, arguments);
+
+            if (this.showSearchInput !== false) {
+                // IE appends focusser.val() at the end of field :/ so we manually insert it at the beginning using a range
+                // all other browsers handle this just fine
+
+                this.search.val(this.focusser.val());
+            }
+            if (this.opts.shouldFocusInput(this)) {
+                this.search.focus();
+                // move the cursor to the end after focussing, otherwise it will be at the beginning and
+                // new text will appear *before* focusser.val()
+                el = this.search.get(0);
+                if (el.createTextRange) {
+                    range = el.createTextRange();
+                    range.collapse(false);
+                    range.select();
+                } else if (el.setSelectionRange) {
+                    len = this.search.val().length;
+                    el.setSelectionRange(len, len);
+                }
+            }
+
+            this.prefillNextSearchTerm();
+
+            this.focusser.prop("disabled", true).val("");
+            this.updateResults(true);
+            this.opts.element.trigger($.Event("select2-open"));
+        },
+
+        // single
+        close: function () {
+            if (!this.opened()) return;
+            this.parent.close.apply(this, arguments);
+
+            this.focusser.prop("disabled", false);
+
+            if (this.opts.shouldFocusInput(this)) {
+                this.focusser.focus();
+            }
+        },
+
+        // single
+        focus: function () {
+            if (this.opened()) {
+                this.close();
+            } else {
+                this.focusser.prop("disabled", false);
+                if (this.opts.shouldFocusInput(this)) {
+                    this.focusser.focus();
+                }
+            }
+        },
+
+        // single
+        isFocused: function () {
+            return this.container.hasClass("select2-container-active");
+        },
+
+        // single
+        cancel: function () {
+            this.parent.cancel.apply(this, arguments);
+            this.focusser.prop("disabled", false);
+
+            if (this.opts.shouldFocusInput(this)) {
+                this.focusser.focus();
+            }
+        },
+
+        // single
+        destroy: function() {
+            $("label[for='" + this.focusser.attr('id') + "']")
+                .attr('for', this.opts.element.attr("id"));
+            this.parent.destroy.apply(this, arguments);
+
+            cleanupJQueryElements.call(this,
+                "selection",
+                "focusser"
+            );
+        },
+
+        // single
+        initContainer: function () {
+
+            var selection,
+                container = this.container,
+                dropdown = this.dropdown,
+                idSuffix = nextUid(),
+                elementLabel;
+
+            if (this.opts.minimumResultsForSearch < 0) {
+                this.showSearch(false);
+            } else {
+                this.showSearch(true);
+            }
+
+            this.selection = selection = container.find(".select2-choice");
+
+            this.focusser = container.find(".select2-focusser");
+
+            // add aria associations
+            selection.find(".select2-chosen").attr("id", "select2-chosen-"+idSuffix);
+            this.focusser.attr("aria-labelledby", "select2-chosen-"+idSuffix);
+            this.results.attr("id", "select2-results-"+idSuffix);
+            this.search.attr("aria-owns", "select2-results-"+idSuffix);
+
+            // rewrite labels from original element to focusser
+            this.focusser.attr("id", "s2id_autogen"+idSuffix);
+
+            elementLabel = $("label[for='" + this.opts.element.attr("id") + "']");
+            this.opts.element.on('focus.select2', this.bind(function () { this.focus(); }));
+
+            this.focusser.prev()
+                .text(elementLabel.text())
+                .attr('for', this.focusser.attr('id'));
+
+            // Ensure the original element retains an accessible name
+            var originalTitle = this.opts.element.attr("title");
+            this.opts.element.attr("title", (originalTitle || elementLabel.text()));
+
+            this.focusser.attr("tabindex", this.elementTabIndex);
+
+            // write label for search field using the label from the focusser element
+            this.search.attr("id", this.focusser.attr('id') + '_search');
+
+            this.search.prev()
+                .text($("label[for='" + this.focusser.attr('id') + "']").text())
+                .attr('for', this.search.attr('id'));
+
+            this.search.on("keydown", this.bind(function (e) {
+                if (!this.isInterfaceEnabled()) return;
+
+                // filter 229 keyCodes (input method editor is processing key input)
+                if (229 == e.keyCode) return;
+
+                if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) {
+                    // prevent the page from scrolling
+                    killEvent(e);
+                    return;
+                }
+
+                switch (e.which) {
+                    case KEY.UP:
+                    case KEY.DOWN:
+                        this.moveHighlight((e.which === KEY.UP) ? -1 : 1);
+                        killEvent(e);
+                        return;
+                    case KEY.ENTER:
+                        this.selectHighlighted();
+                        killEvent(e);
+                        return;
+                    case KEY.TAB:
+                        this.selectHighlighted({noFocus: true});
+                        return;
+                    case KEY.ESC:
+                        this.cancel(e);
+                        killEvent(e);
+                        return;
+                }
+            }));
+
+            this.search.on("blur", this.bind(function(e) {
+                // a workaround for chrome to keep the search field focussed when the scroll bar is used to scroll the dropdown.
+                // without this the search field loses focus which is annoying
+                if (document.activeElement === this.body.get(0)) {
+                    window.setTimeout(this.bind(function() {
+                        if (this.opened() && this.results && this.results.length > 1) {
+                            this.search.focus();
+                        }
+                    }), 0);
+                }
+            }));
+
+            this.focusser.on("keydown", this.bind(function (e) {
+                if (!this.isInterfaceEnabled()) return;
+
+                if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) || e.which === KEY.ESC) {
+                    return;
+                }
+
+                if (this.opts.openOnEnter === false && e.which === KEY.ENTER) {
+                    killEvent(e);
+                    return;
+                }
+
+                if (e.which == KEY.DOWN || e.which == KEY.UP
+                    || (e.which == KEY.ENTER && this.opts.openOnEnter)) {
+
+                    if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) return;
+
+                    this.open();
+                    killEvent(e);
+                    return;
+                }
+
+                if (e.which == KEY.DELETE || e.which == KEY.BACKSPACE) {
+                    if (this.opts.allowClear) {
+                        this.clear();
+                    }
+                    killEvent(e);
+                    return;
+                }
+            }));
+
+
+            installKeyUpChangeEvent(this.focusser);
+            this.focusser.on("keyup-change input", this.bind(function(e) {
+                if (this.opts.minimumResultsForSearch >= 0) {
+                    e.stopPropagation();
+                    if (this.opened()) return;
+                    this.open();
+                }
+            }));
+
+            selection.on("mousedown touchstart", "abbr", this.bind(function (e) {
+                if (!this.isInterfaceEnabled()) {
+                    return;
+                }
+
+                this.clear();
+                killEventImmediately(e);
+                this.close();
+
+                if (this.selection) {
+                    this.selection.focus();
+                }
+            }));
+
+            selection.on("mousedown touchstart", this.bind(function (e) {
+                // Prevent IE from generating a click event on the body
+                reinsertElement(selection);
+
+                if (!this.container.hasClass("select2-container-active")) {
+                    this.opts.element.trigger($.Event("select2-focus"));
+                }
+
+                if (this.opened()) {
+                    this.close();
+                } else if (this.isInterfaceEnabled()) {
+                    this.open();
+                }
+
+                killEvent(e);
+            }));
+
+            dropdown.on("mousedown touchstart", this.bind(function() {
+                if (this.opts.shouldFocusInput(this)) {
+                    this.search.focus();
+                }
+            }));
+
+            selection.on("focus", this.bind(function(e) {
+                killEvent(e);
+            }));
+
+            this.focusser.on("focus", this.bind(function(){
+                if (!this.container.hasClass("select2-container-active")) {
+                    this.opts.element.trigger($.Event("select2-focus"));
+                }
+                this.container.addClass("select2-container-active");
+            })).on("blur", this.bind(function() {
+                if (!this.opened()) {
+                    this.container.removeClass("select2-container-active");
+                    this.opts.element.trigger($.Event("select2-blur"));
+                }
+            }));
+            this.search.on("focus", this.bind(function(){
+                if (!this.container.hasClass("select2-container-active")) {
+                    this.opts.element.trigger($.Event("select2-focus"));
+                }
+                this.container.addClass("select2-container-active");
+            }));
+
+            this.initContainerWidth();
+            this.opts.element.hide();
+            this.setPlaceholder();
+
+        },
+
+        // single
+        clear: function(triggerChange) {
+            var data=this.selection.data("select2-data");
+            if (data) { // guard against queued quick consecutive clicks
+                var evt = $.Event("select2-clearing");
+                this.opts.element.trigger(evt);
+                if (evt.isDefaultPrevented()) {
+                    return;
+                }
+                var placeholderOption = this.getPlaceholderOption();
+                this.opts.element.val(placeholderOption ? placeholderOption.val() : "");
+                this.selection.find(".select2-chosen").empty();
+                this.selection.removeData("select2-data");
+                this.setPlaceholder();
+
+                if (triggerChange !== false){
+                    this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data });
+                    this.triggerChange({removed:data});
+                }
+            }
+        },
+
+        /**
+         * Sets selection based on source element's value
+         */
+        // single
+        initSelection: function () {
+            var selected;
+            if (this.isPlaceholderOptionSelected()) {
+                this.updateSelection(null);
+                this.close();
+                this.setPlaceholder();
+            } else {
+                var self = this;
+                this.opts.initSelection.call(null, this.opts.element, function(selected){
+                    if (selected !== undefined && selected !== null) {
+                        self.updateSelection(selected);
+                        self.close();
+                        self.setPlaceholder();
+                        self.lastSearchTerm = self.search.val();
+                    }
+                });
+            }
+        },
+
+        isPlaceholderOptionSelected: function() {
+            var placeholderOption;
+            if (this.getPlaceholder() === undefined) return false; // no placeholder specified so no option should be considered
+            return ((placeholderOption = this.getPlaceholderOption()) !== undefined && placeholderOption.prop("selected"))
+                || (this.opts.element.val() === "")
+                || (this.opts.element.val() === undefined)
+                || (this.opts.element.val() === null);
+        },
+
+        // single
+        prepareOpts: function () {
+            var opts = this.parent.prepareOpts.apply(this, arguments),
+                self=this;
+
+            if (opts.element.get(0).tagName.toLowerCase() === "select") {
+                // install the selection initializer
+                opts.initSelection = function (element, callback) {
+                    var selected = element.find("option").filter(function() { return this.selected && !this.disabled });
+                    // a single select box always has a value, no need to null check 'selected'
+                    callback(self.optionToData(selected));
+                };
+            } else if ("data" in opts) {
+                // install default initSelection when applied to hidden input and data is local
+                opts.initSelection = opts.initSelection || function (element, callback) {
+                    var id = element.val();
+                    //search in data by id, storing the actual matching item
+                    var match = null;
+                    opts.query({
+                        matcher: function(term, text, el){
+                            var is_match = equal(id, opts.id(el));
+                            if (is_match) {
+                                match = el;
+                            }
+                            return is_match;
+                        },
+                        callback: !$.isFunction(callback) ? $.noop : function() {
+                            callback(match);
+                        }
+                    });
+                };
+            }
+
+            return opts;
+        },
+
+        // single
+        getPlaceholder: function() {
+            // if a placeholder is specified on a single select without a valid placeholder option ignore it
+            if (this.select) {
+                if (this.getPlaceholderOption() === undefined) {
+                    return undefined;
+                }
+            }
+
+            return this.parent.getPlaceholder.apply(this, arguments);
+        },
+
+        // single
+        setPlaceholder: function () {
+            var placeholder = this.getPlaceholder();
+
+            if (this.isPlaceholderOptionSelected() && placeholder !== undefined) {
+
+                // check for a placeholder option if attached to a select
+                if (this.select && this.getPlaceholderOption() === undefined) return;
+
+                this.selection.find(".select2-chosen").html(this.opts.escapeMarkup(placeholder));
+
+                this.selection.addClass("select2-default");
+
+                this.container.removeClass("select2-allowclear");
+            }
+        },
+
+        // single
+        postprocessResults: function (data, initial, noHighlightUpdate) {
+            var selected = 0, self = this, showSearchInput = true;
+
+            // find the selected element in the result list
+
+            this.findHighlightableChoices().each2(function (i, elm) {
+                if (equal(self.id(elm.data("select2-data")), self.opts.element.val())) {
+                    selected = i;
+                    return false;
+                }
+            });
+
+            // and highlight it
+            if (noHighlightUpdate !== false) {
+                if (initial === true && selected >= 0) {
+                    this.highlight(selected);
+                } else {
+                    this.highlight(0);
+                }
+            }
+
+            // hide the search box if this is the first we got the results and there are enough of them for search
+
+            if (initial === true) {
+                var min = this.opts.minimumResultsForSearch;
+                if (min >= 0) {
+                    this.showSearch(countResults(data.results) >= min);
+                }
+            }
+        },
+
+        // single
+        showSearch: function(showSearchInput) {
+            if (this.showSearchInput === showSearchInput) return;
+
+            this.showSearchInput = showSearchInput;
+
+            this.dropdown.find(".select2-search").toggleClass("select2-search-hidden", !showSearchInput);
+            this.dropdown.find(".select2-search").toggleClass("select2-offscreen", !showSearchInput);
+            //add "select2-with-searchbox" to the container if search box is shown
+            $(this.dropdown, this.container).toggleClass("select2-with-searchbox", showSearchInput);
+        },
+
+        // single
+        onSelect: function (data, options) {
+
+            if (!this.triggerSelect(data)) { return; }
+
+            var old = this.opts.element.val(),
+                oldData = this.data();
+
+            this.opts.element.val(this.id(data));
+            this.updateSelection(data);
+
+            this.opts.element.trigger({ type: "select2-selected", val: this.id(data), choice: data });
+
+            this.lastSearchTerm = this.search.val();
+            this.close();
+
+            if ((!options || !options.noFocus) && this.opts.shouldFocusInput(this)) {
+                this.focusser.focus();
+            }
+
+            if (!equal(old, this.id(data))) {
+                this.triggerChange({ added: data, removed: oldData });
+            }
+        },
+
+        // single
+        updateSelection: function (data) {
+
+            var container=this.selection.find(".select2-chosen"), formatted, cssClass;
+
+            this.selection.data("select2-data", data);
+
+            container.empty();
+            if (data !== null) {
+                formatted=this.opts.formatSelection(data, container, this.opts.escapeMarkup);
+            }
+            if (formatted !== undefined) {
+                container.append(formatted);
+            }
+            cssClass=this.opts.formatSelectionCssClass(data, container);
+            if (cssClass !== undefined) {
+                container.addClass(cssClass);
+            }
+
+            this.selection.removeClass("select2-default");
+
+            if (this.opts.allowClear && this.getPlaceholder() !== undefined) {
+                this.container.addClass("select2-allowclear");
+            }
+        },
+
+        // single
+        val: function () {
+            var val,
+                triggerChange = false,
+                data = null,
+                self = this,
+                oldData = this.data();
+
+            if (arguments.length === 0) {
+                return this.opts.element.val();
+            }
+
+            val = arguments[0];
+
+            if (arguments.length > 1) {
+                triggerChange = arguments[1];
+
+                if (this.opts.debug && console && console.warn) {
+                    console.warn(
+                        'Select2: The second option to `select2("val")` is not supported in Select2 4.0.0. ' +
+                        'The `change` event will always be triggered in 4.0.0.'
+                    );
+                }
+            }
+
+            if (this.select) {
+                if (this.opts.debug && console && console.warn) {
+                    console.warn(
+                        'Select2: Setting the value on a <select> using `select2("val")` is no longer supported in 4.0.0. ' +
+                        'You can use the `.val(newValue).trigger("change")` method provided by jQuery instead.'
+                    );
+                }
+
+                this.select
+                    .val(val)
+                    .find("option").filter(function() { return this.selected }).each2(function (i, elm) {
+                        data = self.optionToData(elm);
+                        return false;
+                    });
+                this.updateSelection(data);
+                this.setPlaceholder();
+                if (triggerChange) {
+                    this.triggerChange({added: data, removed:oldData});
+                }
+            } else {
+                // val is an id. !val is true for [undefined,null,'',0] - 0 is legal
+                if (!val && val !== 0) {
+                    this.clear(triggerChange);
+                    return;
+                }
+                if (this.opts.initSelection === undefined) {
+                    throw new Error("cannot call val() if initSelection() is not defined");
+                }
+                this.opts.element.val(val);
+                this.opts.initSelection(this.opts.element, function(data){
+                    self.opts.element.val(!data ? "" : self.id(data));
+                    self.updateSelection(data);
+                    self.setPlaceholder();
+                    if (triggerChange) {
+                        self.triggerChange({added: data, removed:oldData});
+                    }
+                });
+            }
+        },
+
+        // single
+        clearSearch: function () {
+            this.search.val("");
+            this.focusser.val("");
+        },
+
+        // single
+        data: function(value) {
+            var data,
+                triggerChange = false;
+
+            if (arguments.length === 0) {
+                data = this.selection.data("select2-data");
+                if (data == undefined) data = null;
+                return data;
+            } else {
+                if (this.opts.debug && console && console.warn) {
+                    console.warn(
+                        'Select2: The `select2("data")` method can no longer set selected values in 4.0.0, ' +
+                        'consider using the `.val()` method instead.'
+                    );
+                }
+
+                if (arguments.length > 1) {
+                    triggerChange = arguments[1];
+                }
+                if (!value) {
+                    this.clear(triggerChange);
+                } else {
+                    data = this.data();
+                    this.opts.element.val(!value ? "" : this.id(value));
+                    this.updateSelection(value);
+                    if (triggerChange) {
+                        this.triggerChange({added: value, removed:data});
+                    }
+                }
+            }
+        }
+    });
+
+    MultiSelect2 = clazz(AbstractSelect2, {
+
+        // multi
+        createContainer: function () {
+            var container = $(document.createElement("div")).attr({
+                "class": "select2-container select2-container-multi"
+            }).html([
+                "<ul class='select2-choices'>",
+                "  <li class='select2-search-field'>",
+                "    <label for='' class='select2-offscreen'></label>",
+                "    <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input'>",
+                "  </li>",
+                "</ul>",
+                "<div class='select2-drop select2-drop-multi select2-display-none'>",
+                "   <ul class='select2-results'>",
+                "   </ul>",
+                "</div>"].join(""));
+            return container;
+        },
+
+        // multi
+        prepareOpts: function () {
+            var opts = this.parent.prepareOpts.apply(this, arguments),
+                self=this;
+
+            // TODO validate placeholder is a string if specified
+            if (opts.element.get(0).tagName.toLowerCase() === "select") {
+                // install the selection initializer
+                opts.initSelection = function (element, callback) {
+
+                    var data = [];
+
+                    element.find("option").filter(function() { return this.selected && !this.disabled }).each2(function (i, elm) {
+                        data.push(self.optionToData(elm));
+                    });
+                    callback(data);
+                };
+            } else if ("data" in opts) {
+                // install default initSelection when applied to hidden input and data is local
+                opts.initSelection = opts.initSelection || function (element, callback) {
+                    var ids = splitVal(element.val(), opts.separator, opts.transformVal);
+                    //search in data by array of ids, storing matching items in a list
+                    var matches = [];
+                    opts.query({
+                        matcher: function(term, text, el){
+                            var is_match = $.grep(ids, function(id) {
+                                return equal(id, opts.id(el));
+                            }).length;
+                            if (is_match) {
+                                matches.push(el);
+                            }
+                            return is_match;
+                        },
+                        callback: !$.isFunction(callback) ? $.noop : function() {
+                            // reorder matches based on the order they appear in the ids array because right now
+                            // they are in the order in which they appear in data array
+                            var ordered = [];
+                            for (var i = 0; i < ids.length; i++) {
+                                var id = ids[i];
+                                for (var j = 0; j < matches.length; j++) {
+                                    var match = matches[j];
+                                    if (equal(id, opts.id(match))) {
+                                        ordered.push(match);
+                                        matches.splice(j, 1);
+                                        break;
+                                    }
+                                }
+                            }
+                            callback(ordered);
+                        }
+                    });
+                };
+            }
+
+            return opts;
+        },
+
+        // multi
+        selectChoice: function (choice) {
+
+            var selected = this.container.find(".select2-search-choice-focus");
+            if (selected.length && choice && choice[0] == selected[0]) {
+
+            } else {
+                if (selected.length) {
+                    this.opts.element.trigger("choice-deselected", selected);
+                }
+                selected.removeClass("select2-search-choice-focus");
+                if (choice && choice.length) {
+                    this.close();
+                    choice.addClass("select2-search-choice-focus");
+                    this.opts.element.trigger("choice-selected", choice);
+                }
+            }
+        },
+
+        // multi
+        destroy: function() {
+            $("label[for='" + this.search.attr('id') + "']")
+                .attr('for', this.opts.element.attr("id"));
+            this.parent.destroy.apply(this, arguments);
+
+            cleanupJQueryElements.call(this,
+                "searchContainer",
+                "selection"
+            );
+        },
+
+        // multi
+        initContainer: function () {
+
+            var selector = ".select2-choices", selection;
+
+            this.searchContainer = this.container.find(".select2-search-field");
+            this.selection = selection = this.container.find(selector);
+
+            var _this = this;
+            this.selection.on("click", ".select2-container:not(.select2-container-disabled) .select2-search-choice:not(.select2-locked)", function (e) {
+                _this.search[0].focus();
+                _this.selectChoice($(this));
+            });
+
+            // rewrite labels from original element to focusser
+            this.search.attr("id", "s2id_autogen"+nextUid());
+
+            this.search.prev()
+                .text($("label[for='" + this.opts.element.attr("id") + "']").text())
+                .attr('for', this.search.attr('id'));
+            this.opts.element.on('focus.select2', this.bind(function () { this.focus(); }));
+
+            this.search.on("input paste", this.bind(function() {
+                if (this.search.attr('placeholder') && this.search.val().length == 0) return;
+                if (!this.isInterfaceEnabled()) return;
+                if (!this.opened()) {
+                    this.open();
+                }
+            }));
+
+            this.search.attr("tabindex", this.elementTabIndex);
+
+            this.keydowns = 0;
+            this.search.on("keydown", this.bind(function (e) {
+                if (!this.isInterfaceEnabled()) return;
+
+                ++this.keydowns;
+                var selected = selection.find(".select2-search-choice-focus");
+                var prev = selected.prev(".select2-search-choice:not(.select2-locked)");
+                var next = selected.next(".select2-search-choice:not(.select2-locked)");
+                var pos = getCursorInfo(this.search);
+
+                if (selected.length &&
+                    (e.which == KEY.LEFT || e.which == KEY.RIGHT || e.which == KEY.BACKSPACE || e.which == KEY.DELETE || e.which == KEY.ENTER)) {
+                    var selectedChoice = selected;
+                    if (e.which == KEY.LEFT && prev.length) {
+                        selectedChoice = prev;
+                    }
+                    else if (e.which == KEY.RIGHT) {
+                        selectedChoice = next.length ? next : null;
+                    }
+                    else if (e.which === KEY.BACKSPACE) {
+                        if (this.unselect(selected.first())) {
+                            this.search.width(10);
+                            selectedChoice = prev.length ? prev : next;
+                        }
+                    } else if (e.which == KEY.DELETE) {
+                        if (this.unselect(selected.first())) {
+                            this.search.width(10);
+                            selectedChoice = next.length ? next : null;
+                        }
+                    } else if (e.which == KEY.ENTER) {
+                        selectedChoice = null;
+                    }
+
+                    this.selectChoice(selectedChoice);
+                    killEvent(e);
+                    if (!selectedChoice || !selectedChoice.length) {
+                        this.open();
+                    }
+                    return;
+                } else if (((e.which === KEY.BACKSPACE && this.keydowns == 1)
+                    || e.which == KEY.LEFT) && (pos.offset == 0 && !pos.length)) {
+
+                    this.selectChoice(selection.find(".select2-search-choice:not(.select2-locked)").last());
+                    killEvent(e);
+                    return;
+                } else {
+                    this.selectChoice(null);
+                }
+
+                if (this.opened()) {
+                    switch (e.which) {
+                    case KEY.UP:
+                    case KEY.DOWN:
+                        this.moveHighlight((e.which === KEY.UP) ? -1 : 1);
+                        killEvent(e);
+                        return;
+                    case KEY.ENTER:
+                        this.selectHighlighted();
+                        killEvent(e);
+                        return;
+                    case KEY.TAB:
+                        this.selectHighlighted({noFocus:true});
+                        this.close();
+                        return;
+                    case KEY.ESC:
+                        this.cancel(e);
+                        killEvent(e);
+                        return;
+                    }
+                }
+
+                if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e)
+                 || e.which === KEY.BACKSPACE || e.which === KEY.ESC) {
+                    return;
+                }
+
+                if (e.which === KEY.ENTER) {
+                    if (this.opts.openOnEnter === false) {
+                        return;
+                    } else if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) {
+                        return;
+                    }
+                }
+
+                this.open();
+
+                if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) {
+                    // prevent the page from scrolling
+                    killEvent(e);
+                }
+
+                if (e.which === KEY.ENTER) {
+                    // prevent form from being submitted
+                    killEvent(e);
+                }
+
+            }));
+
+            this.search.on("keyup", this.bind(function (e) {
+                this.keydowns = 0;
+                this.resizeSearch();
+            })
+            );
+
+            this.search.on("blur", this.bind(function(e) {
+                this.container.removeClass("select2-container-active");
+                this.search.removeClass("select2-focused");
+                this.selectChoice(null);
+                if (!this.opened()) this.clearSearch();
+                e.stopImmediatePropagation();
+                this.opts.element.trigger($.Event("select2-blur"));
+            }));
+
+            this.container.on("click", selector, this.bind(function (e) {
+                if (!this.isInterfaceEnabled()) return;
+                if ($(e.target).closest(".select2-search-choice").length > 0) {
+                    // clicked inside a select2 search choice, do not open
+                    return;
+                }
+                this.selectChoice(null);
+                this.clearPlaceholder();
+                if (!this.container.hasClass("select2-container-active")) {
+                    this.opts.element.trigger($.Event("select2-focus"));
+                }
+                this.open();
+                this.focusSearch();
+                e.preventDefault();
+            }));
+
+            this.container.on("focus", selector, this.bind(function () {
+                if (!this.isInterfaceEnabled()) return;
+                if (!this.container.hasClass("select2-container-active")) {
+                    this.opts.element.trigger($.Event("select2-focus"));
+                }
+                this.container.addClass("select2-container-active");
+                this.dropdown.addClass("select2-drop-active");
+                this.clearPlaceholder();
+            }));
+
+            this.initContainerWidth();
+            this.opts.element.hide();
+
+            // set the placeholder if necessary
+            this.clearSearch();
+        },
+
+        // multi
+        enableInterface: function() {
+            if (this.parent.enableInterface.apply(this, arguments)) {
+                this.search.prop("disabled", !this.isInterfaceEnabled());
+            }
+        },
+
+        // multi
+        initSelection: function () {
+            var data;
+            if (this.opts.element.val() === "" && this.opts.element.text() === "") {
+                this.updateSelection([]);
+                this.close();
+                // set the placeholder if necessary
+                this.clearSearch();
+            }
+            if (this.select || this.opts.element.val() !== "") {
+                var self = this;
+                this.opts.initSelection.call(null, this.opts.element, function(data){
+                    if (data !== undefined && data !== null) {
+                        self.updateSelection(data);
+                        self.close();
+                        // set the placeholder if necessary
+                        self.clearSearch();
+                    }
+                });
+            }
+        },
+
+        // multi
+        clearSearch: function () {
+            var placeholder = this.getPlaceholder(),
+                maxWidth = this.getMaxSearchWidth();
+
+            if (placeholder !== undefined  && this.getVal().length === 0 && this.search.hasClass("select2-focused") === false) {
+                this.search.val(placeholder).addClass("select2-default");
+                // stretch the search box to full width of the container so as much of the placeholder is visible as possible
+                // we could call this.resizeSearch(), but we do not because that requires a sizer and we do not want to create one so early because of a firefox bug, see #944
+                this.search.width(maxWidth > 0 ? maxWidth : this.container.css("width"));
+            } else {
+                this.search.val("").width(10);
+            }
+        },
+
+        // multi
+        clearPlaceholder: function () {
+            if (this.search.hasClass("select2-default")) {
+                this.search.val("").removeClass("select2-default");
+            }
+        },
+
+        // multi
+        opening: function () {
+            this.clearPlaceholder(); // should be done before super so placeholder is not used to search
+            this.resizeSearch();
+
+            this.parent.opening.apply(this, arguments);
+
+            this.focusSearch();
+
+            this.prefillNextSearchTerm();
+            this.updateResults(true);
+
+            if (this.opts.shouldFocusInput(this)) {
+                this.search.focus();
+            }
+            this.opts.element.trigger($.Event("select2-open"));
+        },
+
+        // multi
+        close: function () {
+            if (!this.opened()) return;
+            this.parent.close.apply(this, arguments);
+        },
+
+        // multi
+        focus: function () {
+            this.close();
+            this.search.focus();
+        },
+
+        // multi
+        isFocused: function () {
+            return this.search.hasClass("select2-focused");
+        },
+
+        // multi
+        updateSelection: function (data) {
+            var ids = {}, filtered = [], self = this;
+
+            // filter out duplicates
+            $(data).each(function () {
+                if (!(self.id(this) in ids)) {
+                    ids[self.id(this)] = 0;
+                    filtered.push(this);
+                }
+            });
+
+            this.selection.find(".select2-search-choice").remove();
+            this.addSelectedChoice(filtered);
+            self.postprocessResults();
+        },
+
+        // multi
+        tokenize: function() {
+            var input = this.search.val();
+            input = this.opts.tokenizer.call(this, input, this.data(), this.bind(this.onSelect), this.opts);
+            if (input != null && input != undefined) {
+                this.search.val(input);
+                if (input.length > 0) {
+                    this.open();
+                }
+            }
+
+        },
+
+        // multi
+        onSelect: function (data, options) {
+
+            if (!this.triggerSelect(data) || data.text === "") { return; }
+
+            this.addSelectedChoice(data);
+
+            this.opts.element.trigger({ type: "selected", val: this.id(data), choice: data });
+
+            // keep track of the search's value before it gets cleared
+            this.lastSearchTerm = this.search.val();
+
+            this.clearSearch();
+            this.updateResults();
+
+            if (this.select || !this.opts.closeOnSelect) this.postprocessResults(data, false, this.opts.closeOnSelect===true);
+
+            if (this.opts.closeOnSelect) {
+                this.close();
+                this.search.width(10);
+            } else {
+                if (this.countSelectableResults()>0) {
+                    this.search.width(10);
+                    this.resizeSearch();
+                    if (this.getMaximumSelectionSize() > 0 && this.val().length >= this.getMaximumSelectionSize()) {
+                        // if we reached max selection size repaint the results so choices
+                        // are replaced with the max selection reached message
+                        this.updateResults(true);
+                    } else {
+                        // initializes search's value with nextSearchTerm and update search result
+                        if (this.prefillNextSearchTerm()) {
+                            this.updateResults();
+                        }
+                    }
+                    this.positionDropdown();
+                } else {
+                    // if nothing left to select close
+                    this.close();
+                    this.search.width(10);
+                }
+            }
+
+            // since its not possible to select an element that has already been
+            // added we do not need to check if this is a new element before firing change
+            this.triggerChange({ added: data });
+
+            if (!options || !options.noFocus)
+                this.focusSearch();
+        },
+
+        // multi
+        cancel: function () {
+            this.close();
+            this.focusSearch();
+        },
+
+        addSelectedChoice: function (data) {
+            var val = this.getVal(), self = this;
+            $(data).each(function () {
+                val.push(self.createChoice(this));
+            });
+            this.setVal(val);
+        },
+
+        createChoice: function (data) {
+            var enableChoice = !data.locked,
+                enabledItem = $(
+                    "<li class='select2-search-choice'>" +
+                    "    <div></div>" +
+                    "    <a href='#' class='select2-search-choice-close' tabindex='-1'></a>" +
+                    "</li>"),
+                disabledItem = $(
+                    "<li class='select2-search-choice select2-locked'>" +
+                    "<div></div>" +
+                    "</li>");
+            var choice = enableChoice ? enabledItem : disabledItem,
+                id = this.id(data),
+                formatted,
+                cssClass;
+
+            formatted=this.opts.formatSelection(data, choice.find("div"), this.opts.escapeMarkup);
+            if (formatted != undefined) {
+                choice.find("div").replaceWith($("<div></div>").html(formatted));
+            }
+            cssClass=this.opts.formatSelectionCssClass(data, choice.find("div"));
+            if (cssClass != undefined) {
+                choice.addClass(cssClass);
+            }
+
+            if(enableChoice){
+              choice.find(".select2-search-choice-close")
+                  .on("mousedown", killEvent)
+                  .on("click dblclick", this.bind(function (e) {
+                  if (!this.isInterfaceEnabled()) return;
+
+                  this.unselect($(e.target));
+                  this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus");
+                  killEvent(e);
+                  this.close();
+                  this.focusSearch();
+              })).on("focus", this.bind(function () {
+                  if (!this.isInterfaceEnabled()) return;
+                  this.container.addClass("select2-container-active");
+                  this.dropdown.addClass("select2-drop-active");
+              }));
+            }
+
+            choice.data("select2-data", data);
+            choice.insertBefore(this.searchContainer);
+
+            return id;
+        },
+
+        // multi
+        unselect: function (selected) {
+            var val = this.getVal(),
+                data,
+                index;
+            selected = selected.closest(".select2-search-choice");
+
+            if (selected.length === 0) {
+                throw "Invalid argument: " + selected + ". Must be .select2-search-choice";
+            }
+
+            data = selected.data("select2-data");
+
+            if (!data) {
+                // prevent a race condition when the 'x' is clicked really fast repeatedly the event can be queued
+                // and invoked on an element already removed
+                return;
+            }
+
+            var evt = $.Event("select2-removing");
+            evt.val = this.id(data);
+            evt.choice = data;
+            this.opts.element.trigger(evt);
+
+            if (evt.isDefaultPrevented()) {
+                return false;
+            }
+
+            while((index = indexOf(this.id(data), val)) >= 0) {
+                val.splice(index, 1);
+                this.setVal(val);
+                if (this.select) this.postprocessResults();
+            }
+
+            selected.remove();
+
+            this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data });
+            this.triggerChange({ removed: data });
+
+            return true;
+        },
+
+        // multi
+        postprocessResults: function (data, initial, noHighlightUpdate) {
+            var val = this.getVal(),
+                choices = this.results.find(".select2-result"),
+                compound = this.results.find(".select2-result-with-children"),
+                self = this;
+
+            choices.each2(function (i, choice) {
+                var id = self.id(choice.data("select2-data"));
+                if (indexOf(id, val) >= 0) {
+                    choice.addClass("select2-selected");
+                    // mark all children of the selected parent as selected
+                    choice.find(".select2-result-selectable").addClass("select2-selected");
+                }
+            });
+
+            compound.each2(function(i, choice) {
+                // hide an optgroup if it doesn't have any selectable children
+                if (!choice.is('.select2-result-selectable')
+                    && choice.find(".select2-result-selectable:not(.select2-selected)").length === 0) {
+                    choice.addClass("select2-selected");
+                }
+            });
+
+            if (this.highlight() == -1 && noHighlightUpdate !== false && this.opts.closeOnSelect === true){
+                self.highlight(0);
+            }
+
+            //If all results are chosen render formatNoMatches
+            if(!this.opts.createSearchChoice && !choices.filter('.select2-result:not(.select2-selected)').length > 0){
+                if(!data || data && !data.more && this.results.find(".select2-no-results").length === 0) {
+                    if (checkFormatter(self.opts.formatNoMatches, "formatNoMatches")) {
+                        this.results.append("<li class='select2-no-results'>" + evaluate(self.opts.formatNoMatches, self.opts.element, self.search.val()) + "</li>");
+                    }
+                }
+            }
+
+        },
+
+        // multi
+        getMaxSearchWidth: function() {
+            return this.selection.width() - getSideBorderPadding(this.search);
+        },
+
+        // multi
+        resizeSearch: function () {
+            var minimumWidth, left, maxWidth, containerLeft, searchWidth,
+                sideBorderPadding = getSideBorderPadding(this.search);
+
+            minimumWidth = measureTextWidth(this.search) + 10;
+
+            left = this.search.offset().left;
+
+            maxWidth = this.selection.width();
+            containerLeft = this.selection.offset().left;
+
+            searchWidth = maxWidth - (left - containerLeft) - sideBorderPadding;
+
+            if (searchWidth < minimumWidth) {
+                searchWidth = maxWidth - sideBorderPadding;
+            }
+
+            if (searchWidth < 40) {
+                searchWidth = maxWidth - sideBorderPadding;
+            }
+
+            if (searchWidth <= 0) {
+              searchWidth = minimumWidth;
+            }
+
+            this.search.width(Math.floor(searchWidth));
+        },
+
+        // multi
+        getVal: function () {
+            var val;
+            if (this.select) {
+                val = this.select.val();
+                return val === null ? [] : val;
+            } else {
+                val = this.opts.element.val();
+                return splitVal(val, this.opts.separator, this.opts.transformVal);
+            }
+        },
+
+        // multi
+        setVal: function (val) {
+            if (this.select) {
+                this.select.val(val);
+            } else {
+                var unique = [], valMap = {};
+                // filter out duplicates
+                $(val).each(function () {
+                    if (!(this in valMap)) {
+                        unique.push(this);
+                        valMap[this] = 0;
+                    }
+                });
+                this.opts.element.val(unique.length === 0 ? "" : unique.join(this.opts.separator));
+            }
+        },
+
+        // multi
+        buildChangeDetails: function (old, current) {
+            var current = current.slice(0),
+                old = old.slice(0);
+
+            // remove intersection from each array
+            for (var i = 0; i < current.length; i++) {
+                for (var j = 0; j < old.length; j++) {
+                    if (equal(this.opts.id(current[i]), this.opts.id(old[j]))) {
+                        current.splice(i, 1);
+                        i--;
+                        old.splice(j, 1);
+                        break;
+                    }
+                }
+            }
+
+            return {added: current, removed: old};
+        },
+
+
+        // multi
+        val: function (val, triggerChange) {
+            var oldData, self=this;
+
+            if (arguments.length === 0) {
+                return this.getVal();
+            }
+
+            oldData=this.data();
+            if (!oldData.length) oldData=[];
+
+            // val is an id. !val is true for [undefined,null,'',0] - 0 is legal
+            if (!val && val !== 0) {
+                this.opts.element.val("");
+                this.updateSelection([]);
+                this.clearSearch();
+                if (triggerChange) {
+                    this.triggerChange({added: this.data(), removed: oldData});
+                }
+                return;
+            }
+
+            // val is a list of ids
+            this.setVal(val);
+
+            if (this.select) {
+                this.opts.initSelection(this.select, this.bind(this.updateSelection));
+                if (triggerChange) {
+                    this.triggerChange(this.buildChangeDetails(oldData, this.data()));
+                }
+            } else {
+                if (this.opts.initSelection === undefined) {
+                    throw new Error("val() cannot be called if initSelection() is not defined");
+                }
+
+                this.opts.initSelection(this.opts.element, function(data){
+                    var ids=$.map(data, self.id);
+                    self.setVal(ids);
+                    self.updateSelection(data);
+                    self.clearSearch();
+                    if (triggerChange) {
+                        self.triggerChange(self.buildChangeDetails(oldData, self.data()));
+                    }
+                });
+            }
+            this.clearSearch();
+        },
+
+        // multi
+        onSortStart: function() {
+            if (this.select) {
+                throw new Error("Sorting of elements is not supported when attached to <select>. Attach to <input type='hidden'/> instead.");
+            }
+
+            // collapse search field into 0 width so its container can be collapsed as well
+            this.search.width(0);
+            // hide the container
+            this.searchContainer.hide();
+        },
+
+        // multi
+        onSortEnd:function() {
+
+            var val=[], self=this;
+
+            // show search and move it to the end of the list
+            this.searchContainer.show();
+            // make sure the search container is the last item in the list
+            this.searchContainer.appendTo(this.searchContainer.parent());
+            // since we collapsed the width in dragStarted, we resize it here
+            this.resizeSearch();
+
+            // update selection
+            this.selection.find(".select2-search-choice").each(function() {
+                val.push(self.opts.id($(this).data("select2-data")));
+            });
+            this.setVal(val);
+            this.triggerChange();
+        },
+
+        // multi
+        data: function(values, triggerChange) {
+            var self=this, ids, old;
+            if (arguments.length === 0) {
+                 return this.selection
+                     .children(".select2-search-choice")
+                     .map(function() { return $(this).data("select2-data"); })
+                     .get();
+            } else {
+                old = this.data();
+                if (!values) { values = []; }
+                ids = $.map(values, function(e) { return self.opts.id(e); });
+                this.setVal(ids);
+                this.updateSelection(values);
+                this.clearSearch();
+                if (triggerChange) {
+                    this.triggerChange(this.buildChangeDetails(old, this.data()));
+                }
+            }
+        }
+    });
+
+    $.fn.select2 = function () {
+
+        var args = Array.prototype.slice.call(arguments, 0),
+            opts,
+            select2,
+            method, value, multiple,
+            allowedMethods = ["val", "destroy", "opened", "open", "close", "focus", "isFocused", "container", "dropdown", "onSortStart", "onSortEnd", "enable", "disable", "readonly", "positionDropdown", "data", "search"],
+            valueMethods = ["opened", "isFocused", "container", "dropdown"],
+            propertyMethods = ["val", "data"],
+            methodsMap = { search: "externalSearch" };
+
+        this.each(function () {
+            if (args.length === 0 || typeof(args[0]) === "object") {
+                opts = args.length === 0 ? {} : $.extend({}, args[0]);
+                opts.element = $(this);
+
+                if (opts.element.get(0).tagName.toLowerCase() === "select") {
+                    multiple = opts.element.prop("multiple");
+                } else {
+                    multiple = opts.multiple || false;
+                    if ("tags" in opts) {opts.multiple = multiple = true;}
+                }
+
+                select2 = multiple ? new window.Select2["class"].multi() : new window.Select2["class"].single();
+                select2.init(opts);
+            } else if (typeof(args[0]) === "string") {
+
+                if (indexOf(args[0], allowedMethods) < 0) {
+                    throw "Unknown method: " + args[0];
+                }
+
+                value = undefined;
+                select2 = $(this).data("select2");
+                if (select2 === undefined) return;
+
+                method=args[0];
+
+                if (method === "container") {
+                    value = select2.container;
+                } else if (method === "dropdown") {
+                    value = select2.dropdown;
+                } else {
+                    if (methodsMap[method]) method = methodsMap[method];
+
+                    value = select2[method].apply(select2, args.slice(1));
+                }
+                if (indexOf(args[0], valueMethods) >= 0
+                    || (indexOf(args[0], propertyMethods) >= 0 && args.length == 1)) {
+                    return false; // abort the iteration, ready to return first matched value
+                }
+            } else {
+                throw "Invalid arguments to select2 plugin: " + args;
+            }
+        });
+        return (value === undefined) ? this : value;
+    };
+
+    // plugin defaults, accessible to users
+    $.fn.select2.defaults = {
+        debug: false,
+        width: "copy",
+        loadMorePadding: 0,
+        closeOnSelect: true,
+        openOnEnter: true,
+        containerCss: {},
+        dropdownCss: {},
+        containerCssClass: "",
+        dropdownCssClass: "",
+        formatResult: function(result, container, query, escapeMarkup) {
+            var markup=[];
+            markMatch(this.text(result), query.term, markup, escapeMarkup);
+            return markup.join("");
+        },
+        transformVal: function(val) {
+            return $.trim(val);
+        },
+        formatSelection: function (data, container, escapeMarkup) {
+            return data ? escapeMarkup(this.text(data)) : undefined;
+        },
+        sortResults: function (results, container, query) {
+            return results;
+        },
+        formatResultCssClass: function(data) {return data.css;},
+        formatSelectionCssClass: function(data, container) {return undefined;},
+        minimumResultsForSearch: 0,
+        minimumInputLength: 0,
+        maximumInputLength: null,
+        maximumSelectionSize: 0,
+        id: function (e) { return e == undefined ? null : e.id; },
+        text: function (e) {
+          if (e && this.data && this.data.text) {
+            if ($.isFunction(this.data.text)) {
+              return this.data.text(e);
+            } else {
+              return e[this.data.text];
+            }
+          } else {
+            return e.text;
+          }
+        },
+        matcher: function(term, text) {
+            return stripDiacritics(''+text).toUpperCase().indexOf(stripDiacritics(''+term).toUpperCase()) >= 0;
+        },
+        separator: ",",
+        tokenSeparators: [],
+        tokenizer: defaultTokenizer,
+        escapeMarkup: defaultEscapeMarkup,
+        blurOnChange: false,
+        selectOnBlur: false,
+        adaptContainerCssClass: function(c) { return c; },
+        adaptDropdownCssClass: function(c) { return null; },
+        nextSearchTerm: function(selectedObject, currentSearchTerm) { return undefined; },
+        searchInputPlaceholder: '',
+        createSearchChoicePosition: 'top',
+        shouldFocusInput: function (instance) {
+            // Attempt to detect touch devices
+            var supportsTouchEvents = (('ontouchstart' in window) ||
+                                       (navigator.msMaxTouchPoints > 0));
+
+            // Only devices which support touch events should be special cased
+            if (!supportsTouchEvents) {
+                return true;
+            }
+
+            // Never focus the input if search is disabled
+            if (instance.opts.minimumResultsForSearch < 0) {
+                return false;
+            }
+
+            return true;
+        }
+    };
+
+    $.fn.select2.locales = [];
+
+    $.fn.select2.locales['en'] = {
+         formatMatches: function (matches) { if (matches === 1) { return "One result is available, press enter to select it."; } return matches + " results are available, use up and down arrow keys to navigate."; },
+         formatNoMatches: function () { return "No matches found"; },
+         formatAjaxError: function (jqXHR, textStatus, errorThrown) { return "Loading failed"; },
+         formatInputTooShort: function (input, min) { var n = min - input.length; return "Please enter " + n + " or more character" + (n == 1 ? "" : "s"); },
+         formatInputTooLong: function (input, max) { var n = input.length - max; return "Please delete " + n + " character" + (n == 1 ? "" : "s"); },
+         formatSelectionTooBig: function (limit) { return "You can only select " + limit + " item" + (limit == 1 ? "" : "s"); },
+         formatLoadMore: function (pageNumber) { return "Loading more results…"; },
+         formatSearching: function () { return "Searching…"; }
+    };
+
+    $.extend($.fn.select2.defaults, $.fn.select2.locales['en']);
+
+    $.fn.select2.ajaxDefaults = {
+        transport: $.ajax,
+        params: {
+            type: "GET",
+            cache: false,
+            dataType: "json"
+        }
+    };
+
+    // exports
+    window.Select2 = {
+        query: {
+            ajax: ajax,
+            local: local,
+            tags: tags
+        }, util: {
+            debounce: debounce,
+            markMatch: markMatch,
+            escapeMarkup: defaultEscapeMarkup,
+            stripDiacritics: stripDiacritics
+        }, "class": {
+            "abstract": AbstractSelect2,
+            "single": SingleSelect2,
+            "multi": MultiSelect2
+        }
+    };
+
+}(jQuery));
diff -r 2dd8dcd46738 -r 9e3db98ce306 src/pyams_skin/resources/js/ext/jquery-select2-3.5.4.min.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_skin/resources/js/ext/jquery-select2-3.5.4.min.js	Tue Feb 20 11:56:27 2018 +0100
@@ -0,0 +1,1 @@
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paste",this.bind(this.updateResults)),n.on("focus",function(){n.addClass("select2-focused")}),n.on("blur",function(){n.removeClass("select2-focused")}),this.dropdown.on("mouseup",".select2-results",this.bind(function(t){e(t.target).closest(".select2-result-selectable").length>0&&(this.highlightUnderEvent(t),this.selectHighlighted(t))})),this.dropdown.on("click mouseup mousedown touchstart touchend focusin",function(e){e.stopPropagation()}),this.lastSearchTerm=t,e.isFunction(this.opts.initSelection)&&(this.initSelection(),this.monitorSource()),null!==s.maximumInputLength&&this.search.attr("maxlength",s.maximumInputLength);var a=s.element.prop("disabled");a===t&&(a=!1),this.enable(!a);var l=s.element.prop("readonly");l===t&&(l=!1),this.readonly(l),H=H||o(),this.autofocus=s.element.prop("autofocus"),s.element.prop("autofocus",!1),this.autofocus&&this.focus(),this.search.attr("placeholder",s.searchInputPlaceholder)},destroy:function(){var e=this.opts.element,s=e.data("select2"),i=this;this.close(),e.length&&e[0].detachEvent&&i._sync&&e.each(function(){i._sync&&this.detachEvent("onpropertychange",i._sync)}),this.propertyObserver&&(this.propertyObserver.disconnect(),this.propertyObserver=null),this._sync=null,s!==t&&(s.container.remove(),s.liveRegion.remove(),s.dropdown.remove(),e.removeData("select2").off(".select2"),e.is("input[type='hidden']")?e.css("display",""):(e.show().prop("autofocus",this.autofocus||!1),this.elementTabIndex?e.attr({tabindex:this.elementTabIndex}):e.removeAttr("tabindex"),e.show())),I.call(this,"container","liveRegion","dropdown","results","search")},optionToData:function(e){return e.is("option")?{id:e.prop("value"),text:e.text(),element:e.get(),css:e.attr("class"),disabled:e.prop("disabled"),locked:a(e.attr("locked"),"locked")||a(e.data("locked"),!0)}:e.is("optgroup")?{text:e.attr("label"),children:[],element:e.get(),css:e.attr("class")}:void 0},prepareOpts:function(s){var i,n,o,r,c=this;if("select"===(i=s.element).get(0).tagName.toLowerCase()&&(this.select=n=s.element),n&&e.each(["id","multiple","ajax","query","createSearchChoice","initSelection","data","tags"],function(){if(this in s)throw new Error("Option '"+this+"' is not allowed for Select2 when attached to a <select> element.")}),s.debug=s.debug||e.fn.select2.defaults.debug,s.debug&&console&&console.warn&&(null!=s.id&&console.warn("Select2: The `id` option has been removed in Select2 4.0.0, consider renaming your `id` property or mapping the property before your data makes it to Select2. You can read more at https://select2.github.io/announcements-4.0.html#changed-id"),null!=s.text&&console.warn("Select2: The `text` option has been removed in Select2 4.0.0, consider renaming your `text` property or mapping the property before your data makes it to Select2. You can read more at https://select2.github.io/announcements-4.0.html#changed-id"),null!=s.sortResults&&console.warn("Select2: the `sortResults` option has been renamed to `sorter` in Select2 4.0.0. "),null!=s.selectOnBlur&&console.warn("Select2: The `selectOnBlur` option has been renamed to `selectOnClose` in Select2 4.0.0."),null!=s.ajax&&null!=s.ajax.results&&console.warn("Select2: The `ajax.results` option has been renamed to `ajax.processResults` in Select2 4.0.0."),null!=s.formatNoResults&&console.warn("Select2: The `formatNoResults` option has been renamed to `language.noResults` in Select2 4.0.0."),null!=s.formatSearching&&console.warn("Select2: The `formatSearching` option has been renamed to `language.searching` in Select2 4.0.0."),null!=s.formatInputTooShort&&console.warn("Select2: The `formatInputTooShort` option has been renamed to `language.inputTooShort` in Select2 4.0.0."),null!=s.formatInputTooLong&&console.warn("Select2: The `formatInputTooLong` option has been renamed to `language.inputTooLong` in Select2 4.0.0."),null!=s.formatLoading&&console.warn("Select2: The `formatLoading` option has been renamed to `language.loadingMore` in Select2 4.0.0."),null!=s.formatSelectionTooBig&&console.warn("Select2: The `formatSelectionTooBig` option has been renamed to `language.maximumSelected` in Select2 4.0.0."),s.element.data("select2Tags")&&console.warn("Select2: The `data-select2-tags` attribute has been renamed to `data-tags` in Select2 4.0.0.")),null!=s.element.data("tags")){var h=s.element.data("tags");e.isArray(h)||(h=[]),s.element.data("select2Tags",h)}if(null!=s.sorter&&(s.sortResults=s.sorter),null!=s.selectOnClose&&(s.selectOnBlur=s.selectOnClose),null!=s.ajax&&e.isFunction(s.ajax.processResults)&&(s.ajax.results=s.ajax.processResults),null!=s.language){var u=s.language;e.isFunction(u.noMatches)&&(s.formatNoMatches=u.noMatches),e.isFunction(u.searching)&&(s.formatSearching=u.searching),e.isFunction(u.inputTooShort)&&(s.formatInputTooShort=u.inputTooShort),e.isFunction(u.inputTooLong)&&(s.formatInputTooLong=u.inputTooLong),e.isFunction(u.loadingMore)&&(s.formatLoading=u.loadingMore),e.isFunction(u.maximumSelected)&&(s.formatSelectionTooBig=u.maximumSelected)}if("function"!=typeof(s=e.extend({},{populateResults:function(i,n,o){var a,l=this.opts.id,r=this.liveRegion;(a=function(i,n,h){var u,d,p,f,g,m,v,b,w,S,C=[];for(u=0,d=(i=s.sortResults(i,n,o)).length;u<d;u+=1)f=!(g=!0===(p=i[u]).disabled)&&l(p)!==t,m=p.children&&p.children.length>0,(v=e("<li></li>")).addClass("select2-results-dept-"+h),v.addClass("select2-result"),v.addClass(f?"select2-result-selectable":"select2-result-unselectable"),g&&v.addClass("select2-disabled"),m&&v.addClass("select2-result-with-children"),v.addClass(c.opts.formatResultCssClass(p)),v.attr("role","presentation"),(b=e(document.createElement("div"))).addClass("select2-result-label"),b.attr("id","select2-result-label-"+D()),b.attr("role","option"),(S=s.formatResult(p,b,o,c.opts.escapeMarkup))!==t&&(b.html(S),v.append(b)),m&&((w=e("<ul></ul>")).addClass("select2-result-sub"),a(p.children,w,h+1),v.append(w)),v.data("select2-data",p),C.push(v[0]);n.append(C),r.text(s.formatMatches(i.length))})(n,i,0)}},e.fn.select2.defaults,s)).id&&(o=s.id,s.id=function(e){return e[o]}),e.isArray(s.element.data("select2Tags"))){if("tags"in s)throw"tags specified as both an attribute 'data-select2-tags' and in options of Select2 "+s.element.attr("id");s.tags=s.element.data("select2Tags")}if(n?(s.query=this.bind(function(e){var s,n,o,a={results:[],more:!1},l=e.term;o=function(t,s){var i;t.is("option")?e.matcher(l,t.text(),t)&&s.push(c.optionToData(t)):t.is("optgroup")&&(i=c.optionToData(t),t.children().each2(function(e,t){o(t,i.children)}),i.children.length>0&&s.push(i))},s=i.children(),this.getPlaceholder()!==t&&s.length>0&&(n=this.getPlaceholderOption())&&(s=s.not(n)),s.each2(function(e,t){o(t,a.results)}),e.callback(a)}),s.id=function(e){return e.id}):"query"in s||("ajax"in s?((r=s.element.data("ajax-url"))&&r.length>0&&(s.ajax.url=r),s.query=C.call(s.element,s.ajax)):"data"in s?s.query=y(s.data):"tags"in s&&(s.query=x(s.tags),s.createSearchChoice===t&&(s.createSearchChoice=function(t){return{id:e.trim(t),text:e.trim(t)}}),s.initSelection===t&&(s.initSelection=function(t,i){var n=[];e(l(t.val(),s.separator,s.transformVal)).each(function(){var t={id:this,text:this},i=s.tags;e.isFunction(i)&&(i=i()),e(i).each(function(){if(a(this.id,t.id))return t=this,!1}),n.push(t)}),i(n)}))),"function"!=typeof s.query)throw"query function not defined for Select2 "+s.element.attr("id");if("top"===s.createSearchChoicePosition)s.createSearchChoicePosition=function(e,t){e.unshift(t)};else if("bottom"===s.createSearchChoicePosition)s.createSearchChoicePosition=function(e,t){e.push(t)};else if("function"!=typeof s.createSearchChoicePosition)throw"invalid createSearchChoicePosition option must be 'top', 'bottom' or a custom function";return s},monitorSource:function(){var s,i=this.opts.element,n=this;i.on("change.select2",this.bind(function(e){!0!==this.opts.element.data("select2-change-triggered")&&this.initSelection()})),this._sync=this.bind(function(){var e=i.prop("disabled");e===t&&(e=!1),this.enable(!e);var s=i.prop("readonly");s===t&&(s=!1),this.readonly(s),this.container&&(b(this.container,this.opts.element,this.opts.adaptContainerCssClass),this.container.addClass(E(this.opts.containerCssClass,this.opts.element))),this.dropdown&&(b(this.dropdown,this.opts.element,this.opts.adaptDropdownCssClass),this.dropdown.addClass(E(this.opts.dropdownCssClass,this.opts.element)))}),i.length&&i[0].attachEvent&&i.each(function(){this.attachEvent("onpropertychange",n._sync)}),(s=window.MutationObserver||window.WebKitMutationObserver||window.MozMutationObserver)!==t&&(this.propertyObserver&&(delete this.propertyObserver,this.propertyObserver=null),this.propertyObserver=new s(function(t){e.each(t,n._sync)}),this.propertyObserver.observe(i.get(0),{attributes:!0,subtree:!1}))},triggerSelect:function(t){var s=e.Event("select2-selecting",{val:this.id(t),object:t,choice:t});return this.opts.element.trigger(s),!s.isDefaultPrevented()},triggerChange:function(t){t=t||{},t=e.extend({},t,{type:"change",val:this.val()}),this.opts.element.data("select2-change-triggered",!0),this.opts.element.trigger(t),this.opts.element.data("select2-change-triggered",!1),this.opts.element.click(),this.opts.blurOnChange&&this.opts.element.blur()},isInterfaceEnabled:function(){return!0===this.enabledInterface},enableInterface:function(){var e=this._enabled&&!this._readonly,t=!e;return e!==this.enabledInterface&&(this.container.toggleClass("select2-container-disabled",t),this.close(),this.enabledInterface=e,!0)},enable:function(e){e===t&&(e=!0),this._enabled!==e&&(this._enabled=e,this.opts.element.prop("disabled",!e),this.enableInterface())},disable:function(){this.enable(!1)},readonly:function(e){e===t&&(e=!1),this._readonly!==e&&(this._readonly=e,this.opts.element.prop("readonly",e),this.enableInterface())},opened:function(){return!!this.container&&this.container.hasClass("select2-dropdown-open")},positionDropdown:function(){var t,s,i,n,o,a=this.dropdown,l=this.container,r=l.offset(),c=l.outerHeight(!1),h=l.outerWidth(!1),u=a.outerHeight(!1),d=e(window),p=d.width(),f=d.height(),g=d.scrollLeft()+p,m=d.scrollTop()+f,v=r.top+c,b=r.left,w=v+u<=m,S=r.top-u>=d.scrollTop(),C=a.outerWidth(!1);a.hasClass("select2-drop-above")?(s=!0,!S&&w&&(i=!0,s=!1)):(s=!1,!w&&S&&(i=!0,s=!0)),i&&(a.hide(),r=this.container.offset(),c=this.container.outerHeight(!1),h=this.container.outerWidth(!1),u=a.outerHeight(!1),g=d.scrollLeft()+p,m=d.scrollTop()+f,v=r.top+c,b=r.left,C=a.outerWidth(!1),a.show(),this.focusSearch()),this.opts.dropdownAutoWidth?(o=e(".select2-results",a)[0],a.addClass("select2-drop-auto-width"),a.css("width",""),(C=a.outerWidth(!1)+(o.scrollHeight===o.clientHeight?0:H.width))>h?h=C:C=h,u=a.outerHeight(!1)):this.container.removeClass("select2-drop-auto-width"),"static"!==this.body.css("position")&&(v-=(t=this.body.offset()).top,b-=t.left),!(b+C<=g)&&r.left+g+l.outerWidth(!1)>C&&(b=r.left+this.container.outerWidth(!1)-C),n={left:b,width:h},s?(this.container.addClass("select2-drop-above"),a.addClass("select2-drop-above"),u=a.outerHeight(!1),n.top=r.top-u,n.bottom="auto"):(n.top=v,n.bottom="auto",this.container.removeClass("select2-drop-above"),a.removeClass("select2-drop-above")),n=e.extend(n,E(this.opts.dropdownCss,this.opts.element)),a.css(n)},shouldOpen:function(){var t;return!this.opened()&&(!1!==this._enabled&&!0!==this._readonly&&(t=e.Event("select2-opening"),this.opts.element.trigger(t),!t.isDefaultPrevented()))},clearDropdownAlignmentPreference:function(){this.container.removeClass("select2-drop-above"),this.dropdown.removeClass("select2-drop-above")},open:function(){return!!this.shouldOpen()&&(this.opening(),M.on("mousemove.select2Event",function(e){N.x=e.pageX,N.y=e.pageY}),!0)},opening:function(){var t,i=this.containerEventName,n="scroll."+i,o="resize."+i,a="orientationchange."+i;this.container.addClass("select2-dropdown-open").addClass("select2-container-active"),this.clearDropdownAlignmentPreference(),this.dropdown[0]!==this.body.children().last()[0]&&this.dropdown.detach().appendTo(this.body),0===(t=e("#select2-drop-mask")).length&&((t=e(document.createElement("div"))).attr("id","select2-drop-mask").attr("class","select2-drop-mask"),t.hide(),t.appendTo(this.body),t.on("mousedown touchstart click",function(i){s(t);var n,o=e("#select2-drop");o.length>0&&((n=o.data("select2")).opts.selectOnBlur&&n.selectHighlighted({noFocus:!0}),n.close(),i.preventDefault(),i.stopPropagation())})),this.dropdown.prev()[0]!==t[0]&&this.dropdown.before(t),e("#select2-drop").removeAttr("id"),this.dropdown.attr("id","select2-drop"),t.show(),this.positionDropdown(),this.dropdown.show(),this.positionDropdown(),this.dropdown.addClass("select2-drop-active");var l=this;this.container.parents().add(window).each(function(){e(this).on(o+" "+n+" "+a,function(e){l.opened()&&l.positionDropdown()})})},close:function(){if(this.opened()){var t=this.containerEventName,s="scroll."+t,i="resize."+t,n="orientationchange."+t;this.container.parents().add(window).each(function(){e(this).off(s).off(i).off(n)}),this.clearDropdownAlignmentPreference(),e("#select2-drop-mask").hide(),this.dropdown.removeAttr("id"),this.dropdown.hide(),this.container.removeClass("select2-dropdown-open").removeClass("select2-container-active"),this.results.empty(),M.off("mousemove.select2Event"),this.clearSearch(),this.search.removeClass("select2-active"),this.search.removeAttr("aria-activedescendant"),this.opts.element.trigger(e.Event("select2-close"))}},externalSearch:function(e){this.open(),this.search.val(e),this.updateResults(!1)},clearSearch:function(){},prefillNextSearchTerm:function(){if(""!==this.search.val())return!1;var e=this.opts.nextSearchTerm(this.data(),this.lastSearchTerm);return e!==t&&(this.search.val(e),this.search.select(),!0)},getMaximumSelectionSize:function(){return E(this.opts.maximumSelectionSize,this.opts.element)},ensureHighlightVisible:function(){var t,s,i,n,o,a,l,r,c=this.results;(s=this.highlight())<0||(0!=s?(t=this.findHighlightableChoices().find(".select2-result-label"),n=(r=((i=e(t[s])).offset()||{}).top||0)+i.outerHeight(!0),s===t.length-1&&(l=c.find("li.select2-more-results")).length>0&&(n=l.offset().top+l.outerHeight(!0)),n>(o=c.offset().top+c.outerHeight(!1))&&c.scrollTop(c.scrollTop()+(n-o)),(a=r-c.offset().top)<0&&"none"!=i.css("display")&&c.scrollTop(c.scrollTop()+a)):c.scrollTop(0))},findHighlightableChoices:function(){return this.results.find(".select2-result-selectable:not(.select2-disabled):not(.select2-selected)")},moveHighlight:function(t){for(var s=this.findHighlightableChoices(),i=this.highlight();i>-1&&i<s.length;){var n=e(s[i+=t]);if(n.hasClass("select2-result-selectable")&&!n.hasClass("select2-disabled")&&!n.hasClass("select2-selected")){this.highlight(i);break}}},highlight:function(t){var s,i,o=this.findHighlightableChoices();if(0===arguments.length)return n(o.filter(".select2-highlighted")[0],o.get());t>=o.length&&(t=o.length-1),t<0&&(t=0),this.removeHighlight(),(s=e(o[t])).addClass("select2-highlighted"),this.search.attr("aria-activedescendant",s.find(".select2-result-label").attr("id")),this.ensureHighlightVisible(),this.liveRegion.text(s.text()),(i=s.data("select2-data"))&&this.opts.element.trigger({type:"select2-highlight",val:this.id(i),choice:i})},removeHighlight:function(){this.results.find(".select2-highlighted").removeClass("select2-highlighted")},touchMoved:function(){this._touchMoved=!0},clearTouchMoved:function(){this._touchMoved=!1},countSelectableResults:function(){return this.findHighlightableChoices().length},highlightUnderEvent:function(t){var s=e(t.target).closest(".select2-result-selectable");if(s.length>0&&!s.is(".select2-highlighted")){var i=this.findHighlightableChoices();this.highlight(i.index(s))}else 0==s.length&&this.removeHighlight()},loadMoreIfNeeded:function(){var e=this.results,t=e.find("li.select2-more-results"),s=this.resultsPage+1,i=this,n=this.search.val(),o=this.context;0!==t.length&&t.offset().top-e.offset().top-e.height()<=this.opts.loadMorePadding&&(t.addClass("select2-active"),this.opts.query({element:this.opts.element,term:n,page:s,context:o,matcher:this.opts.matcher,callback:this.bind(function(a){i.opened()&&(i.opts.populateResults.call(this,e,a.results,{term:n,page:s,context:o}),i.postprocessResults(a,!1,!1),!0===a.more?(t.detach().appendTo(e).html(i.opts.escapeMarkup(E(i.opts.formatLoadMore,i.opts.element,s+1))),window.setTimeout(function(){i.loadMoreIfNeeded()},10)):t.remove(),i.positionDropdown(),i.resultsPage=s,i.context=a.context,this.opts.element.trigger({type:"select2-loaded",items:a}))})}))},tokenize:function(){},updateResults:function(s){function i(){c.removeClass("select2-active"),d.positionDropdown(),h.find(".select2-no-results,.select2-selection-limit,.select2-searching").length?d.liveRegion.text(h.text()):d.liveRegion.text(d.opts.formatMatches(h.find('.select2-result-selectable:not(".select2-selected")').length))}function n(e){h.html(e),i()}var o,l,r,c=this.search,h=this.results,u=this.opts,d=this,p=c.val(),f=e.data(this.container,"select2-last-term");if((!0===s||!f||!a(p,f))&&(e.data(this.container,"select2-last-term",p),!0===s||!1!==this.showSearchInput&&this.opened())){r=++this.queryCount;var g=this.getMaximumSelectionSize();if(!(g>=1&&(o=this.data(),e.isArray(o)&&o.length>=g&&T(u.formatSelectionTooBig,"formatSelectionTooBig"))))return c.val().length<u.minimumInputLength?(n(T(u.formatInputTooShort,"formatInputTooShort")?"<li class='select2-no-results'>"+E(u.formatInputTooShort,u.element,c.val(),u.minimumInputLength)+"</li>":""),void(s&&this.showSearch&&this.showSearch(!0))):void(u.maximumInputLength&&c.val().length>u.maximumInputLength?n(T(u.formatInputTooLong,"formatInputTooLong")?"<li class='select2-no-results'>"+E(u.formatInputTooLong,u.element,c.val(),u.maximumInputLength)+"</li>":""):(u.formatSearching&&0===this.findHighlightableChoices().length&&n("<li class='select2-searching'>"+E(u.formatSearching,u.element)+"</li>"),c.addClass("select2-active"),this.removeHighlight(),(l=this.tokenize())!=t&&null!=l&&c.val(l),this.resultsPage=1,u.query({element:u.element,term:c.val(),page:this.resultsPage,context:null,matcher:u.matcher,callback:this.bind(function(o){var l;if(r==this.queryCount)if(this.opened())if(o.hasError!==t&&T(u.formatAjaxError,"formatAjaxError"))n("<li class='select2-ajax-error'>"+E(u.formatAjaxError,u.element,o.jqXHR,o.textStatus,o.errorThrown)+"</li>");else{if(this.context=o.context===t?null:o.context,this.opts.createSearchChoice&&""!==c.val()&&(l=this.opts.createSearchChoice.call(d,c.val(),o.results))!==t&&null!==l&&d.id(l)!==t&&null!==d.id(l)&&0===e(o.results).filter(function(){return a(d.id(this),d.id(l))}).length&&this.opts.createSearchChoicePosition(o.results,l),0===o.results.length&&T(u.formatNoMatches,"formatNoMatches"))return n("<li class='select2-no-results'>"+E(u.formatNoMatches,u.element,c.val())+"</li>"),void(this.showSearch&&this.showSearch(c.val()));h.empty(),d.opts.populateResults.call(this,h,o.results,{term:c.val(),page:this.resultsPage,context:null}),!0===o.more&&T(u.formatLoadMore,"formatLoadMore")&&(h.append("<li class='select2-more-results'>"+u.escapeMarkup(E(u.formatLoadMore,u.element,this.resultsPage))+"</li>"),window.setTimeout(function(){d.loadMoreIfNeeded()},10)),this.postprocessResults(o,s),i(),this.opts.element.trigger({type:"select2-loaded",items:o})}else this.search.removeClass("select2-active")})})));n("<li class='select2-selection-limit'>"+E(u.formatSelectionTooBig,u.element,g)+"</li>")}},cancel:function(){this.close()},blur:function(){this.opts.selectOnBlur&&this.selectHighlighted({noFocus:!0}),this.close(),this.container.removeClass("select2-container-active"),this.search[0]===document.activeElement&&this.search.blur(),this.clearSearch(),this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus")},focusSearch:function(){p(this.search)},selectHighlighted:function(e){if(this._touchMoved)this.clearTouchMoved();else{var t=this.highlight(),s=this.results.find(".select2-highlighted").closest(".select2-result").data("select2-data");s?(this.highlight(t),this.onSelect(s,e)):e&&e.noFocus&&this.close()}},getPlaceholder:function(){var e;return this.opts.element.attr("placeholder")||this.opts.element.attr("data-placeholder")||this.opts.element.data("placeholder")||this.opts.placeholder||((e=this.getPlaceholderOption())!==t?e.text():t)},getPlaceholderOption:function(){if(this.select){var s=this.select.children("option").first();if(this.opts.placeholderOption!==t)return"first"===this.opts.placeholderOption&&s||"function"==typeof this.opts.placeholderOption&&this.opts.placeholderOption(this.select);if(""===e.trim(s.text())&&""===s.val())return s}},initContainerWidth:function(){var t=function(){var t,s,i,n,o,a;if("off"===this.opts.width)return null;if("element"===this.opts.width)return 0===this.opts.element.outerWidth(!1)?"auto":this.opts.element.outerWidth(!1)+"px";if("copy"===this.opts.width||"resolve"===this.opts.width){if("string"==typeof(t=this.opts.element.attr("style")))for(n=0,o=(s=t.split(";")).length;n<o;n+=1)if(a=s[n].replace(/\s/g,""),null!==(i=a.match(/^width:(([-+]?([0-9]*\.)?[0-9]+)(px|em|ex|%|in|cm|mm|pt|pc))/i))&&i.length>=1)return i[1];return"resolve"===this.opts.width?(t=this.opts.element.css("width")).indexOf("%")>0?t:0===this.opts.element.outerWidth(!1)?"auto":this.opts.element.outerWidth(!1)+"px":null}return e.isFunction(this.opts.width)?this.opts.width():this.opts.width}.call(this);null!==t&&this.container.css("width",t)}}),{createContainer:function(){return e(document.createElement("div")).attr({class:"select2-container"}).html(["<a href='javascript:void(0)' class='select2-choice' tabindex='-1'>","   <span class='select2-chosen'>&#160;</span><abbr class='select2-search-choice-close'></abbr>","   <span class='select2-arrow' role='presentation'><b role='presentation'></b></span>","</a>","<label for='' class='select2-offscreen'></label>","<input class='select2-focusser select2-offscreen' type='text' aria-haspopup='true' role='button' />","<div class='select2-drop select2-display-none'>","   <div class='select2-search'>","       <label for='' class='select2-offscreen'></label>","       <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input' role='combobox' aria-expanded='true'","       aria-autocomplete='list' />","   </div>","   <ul class='select2-results' role='listbox'>","   </ul>","</div>"].join(""))},enableInterface:function(){this.parent.enableInterface.apply(this,arguments)&&this.focusser.prop("disabled",!this.isInterfaceEnabled())},opening:function(){var t,s,i;this.opts.minimumResultsForSearch>=0&&this.showSearch(!0),this.parent.opening.apply(this,arguments),!1!==this.showSearchInput&&this.search.val(this.focusser.val()),this.opts.shouldFocusInput(this)&&(this.search.focus(),(t=this.search.get(0)).createTextRange?((s=t.createTextRange()).collapse(!1),s.select()):t.setSelectionRange&&(i=this.search.val().length,t.setSelectionRange(i,i))),this.prefillNextSearchTerm(),this.focusser.prop("disabled",!0).val(""),this.updateResults(!0),this.opts.element.trigger(e.Event("select2-open"))},close:function(){this.opened()&&(this.parent.close.apply(this,arguments),this.focusser.prop("disabled",!1),this.opts.shouldFocusInput(this)&&this.focusser.focus())},focus:function(){this.opened()?this.close():(this.focusser.prop("disabled",!1),this.opts.shouldFocusInput(this)&&this.focusser.focus())},isFocused:function(){return this.container.hasClass("select2-container-active")},cancel:function(){this.parent.cancel.apply(this,arguments),this.focusser.prop("disabled",!1),this.opts.shouldFocusInput(this)&&this.focusser.focus()},destroy:function(){e("label[for='"+this.focusser.attr("id")+"']").attr("for",this.opts.element.attr("id")),this.parent.destroy.apply(this,arguments),I.call(this,"selection","focusser")},initContainer:function(){var t,i,n=this.container,o=this.dropdown,a=D();this.opts.minimumResultsForSearch<0?this.showSearch(!1):this.showSearch(!0),this.selection=t=n.find(".select2-choice"),this.focusser=n.find(".select2-focusser"),t.find(".select2-chosen").attr("id","select2-chosen-"+a),this.focusser.attr("aria-labelledby","select2-chosen-"+a),this.results.attr("id","select2-results-"+a),this.search.attr("aria-owns","select2-results-"+a),this.focusser.attr("id","s2id_autogen"+a),i=e("label[for='"+this.opts.element.attr("id")+"']"),this.opts.element.on("focus.select2",this.bind(function(){this.focus()})),this.focusser.prev().text(i.text()).attr("for",this.focusser.attr("id"));var l=this.opts.element.attr("title");this.opts.element.attr("title",l||i.text()),this.focusser.attr("tabindex",this.elementTabIndex),this.search.attr("id",this.focusser.attr("id")+"_search"),this.search.prev().text(e("label[for='"+this.focusser.attr("id")+"']").text()).attr("for",this.search.attr("id")),this.search.on("keydown",this.bind(function(e){if(this.isInterfaceEnabled()&&229!=e.keyCode)if(e.which!==F.PAGE_UP&&e.which!==F.PAGE_DOWN)switch(e.which){case F.UP:case F.DOWN:return this.moveHighlight(e.which===F.UP?-1:1),void g(e);case F.ENTER:return this.selectHighlighted(),void g(e);case F.TAB:return void this.selectHighlighted({noFocus:!0});case F.ESC:return this.cancel(e),void g(e)}else g(e)})),this.search.on("blur",this.bind(function(e){document.activeElement===this.body.get(0)&&window.setTimeout(this.bind(function(){this.opened()&&this.results&&this.results.length>1&&this.search.focus()}),0)})),this.focusser.on("keydown",this.bind(function(e){if(this.isInterfaceEnabled()&&e.which!==F.TAB&&!F.isControl(e)&&!F.isFunctionKey(e)&&e.which!==F.ESC){if(!1!==this.opts.openOnEnter||e.which!==F.ENTER){if(e.which==F.DOWN||e.which==F.UP||e.which==F.ENTER&&this.opts.openOnEnter){if(e.altKey||e.ctrlKey||e.shiftKey||e.metaKey)return;return this.open(),void g(e)}return e.which==F.DELETE||e.which==F.BACKSPACE?(this.opts.allowClear&&this.clear(),void g(e)):void 0}g(e)}})),c(this.focusser),this.focusser.on("keyup-change input",this.bind(function(e){if(this.opts.minimumResultsForSearch>=0){if(e.stopPropagation(),this.opened())return;this.open()}})),t.on("mousedown touchstart","abbr",this.bind(function(e){this.isInterfaceEnabled()&&(this.clear(),m(e),this.close(),this.selection&&this.selection.focus())})),t.on("mousedown touchstart",this.bind(function(i){s(t),this.container.hasClass("select2-container-active")||this.opts.element.trigger(e.Event("select2-focus")),this.opened()?this.close():this.isInterfaceEnabled()&&this.open(),g(i)})),o.on("mousedown touchstart",this.bind(function(){this.opts.shouldFocusInput(this)&&this.search.focus()})),t.on("focus",this.bind(function(e){g(e)})),this.focusser.on("focus",this.bind(function(){this.container.hasClass("select2-container-active")||this.opts.element.trigger(e.Event("select2-focus")),this.container.addClass("select2-container-active")})).on("blur",this.bind(function(){this.opened()||(this.container.removeClass("select2-container-active"),this.opts.element.trigger(e.Event("select2-blur")))})),this.search.on("focus",this.bind(function(){this.container.hasClass("select2-container-active")||this.opts.element.trigger(e.Event("select2-focus")),this.container.addClass("select2-container-active")})),this.initContainerWidth(),this.opts.element.hide(),this.setPlaceholder()},clear:function(t){var s=this.selection.data("select2-data");if(s){var i=e.Event("select2-clearing");if(this.opts.element.trigger(i),i.isDefaultPrevented())return;var n=this.getPlaceholderOption();this.opts.element.val(n?n.val():""),this.selection.find(".select2-chosen").empty(),this.selection.removeData("select2-data"),this.setPlaceholder(),!1!==t&&(this.opts.element.trigger({type:"select2-removed",val:this.id(s),choice:s}),this.triggerChange({removed:s}))}},initSelection:function(){if(this.isPlaceholderOptionSelected())this.updateSelection(null),this.close(),this.setPlaceholder();else{var e=this;this.opts.initSelection.call(null,this.opts.element,function(s){s!==t&&null!==s&&(e.updateSelection(s),e.close(),e.setPlaceholder(),e.lastSearchTerm=e.search.val())})}},isPlaceholderOptionSelected:function(){var e;return this.getPlaceholder()!==t&&((e=this.getPlaceholderOption())!==t&&e.prop("selected")||""===this.opts.element.val()||this.opts.element.val()===t||null===this.opts.element.val())},prepareOpts:function(){var t=this.parent.prepareOpts.apply(this,arguments),s=this;return"select"===t.element.get(0).tagName.toLowerCase()?t.initSelection=function(e,t){var i=e.find("option").filter(function(){return this.selected&&!this.disabled});t(s.optionToData(i))}:"data"in t&&(t.initSelection=t.initSelection||function(s,i){var n=s.val(),o=null;t.query({matcher:function(e,s,i){var l=a(n,t.id(i));return l&&(o=i),l},callback:e.isFunction(i)?function(){i(o)}:e.noop})}),t},getPlaceholder:function(){return this.select&&this.getPlaceholderOption()===t?t:this.parent.getPlaceholder.apply(this,arguments)},setPlaceholder:function(){var e=this.getPlaceholder();if(this.isPlaceholderOptionSelected()&&e!==t){if(this.select&&this.getPlaceholderOption()===t)return;this.selection.find(".select2-chosen").html(this.opts.escapeMarkup(e)),this.selection.addClass("select2-default"),this.container.removeClass("select2-allowclear")}},postprocessResults:function(e,t,s){var i=0,n=this;if(this.findHighlightableChoices().each2(function(e,t){if(a(n.id(t.data("select2-data")),n.opts.element.val()))return i=e,!1}),!1!==s&&(!0===t&&i>=0?this.highlight(i):this.highlight(0)),!0===t){var o=this.opts.minimumResultsForSearch;o>=0&&this.showSearch(O(e.results)>=o)}},showSearch:function(t){this.showSearchInput!==t&&(this.showSearchInput=t,this.dropdown.find(".select2-search").toggleClass("select2-search-hidden",!t),this.dropdown.find(".select2-search").toggleClass("select2-offscreen",!t),e(this.dropdown,this.container).toggleClass("select2-with-searchbox",t))},onSelect:function(e,t){if(this.triggerSelect(e)){var s=this.opts.element.val(),i=this.data();this.opts.element.val(this.id(e)),this.updateSelection(e),this.opts.element.trigger({type:"select2-selected",val:this.id(e),choice:e}),this.lastSearchTerm=this.search.val(),this.close(),t&&t.noFocus||!this.opts.shouldFocusInput(this)||this.focusser.focus(),a(s,this.id(e))||this.triggerChange({added:e,removed:i})}},updateSelection:function(e){var s,i,n=this.selection.find(".select2-chosen");this.selection.data("select2-data",e),n.empty(),null!==e&&(s=this.opts.formatSelection(e,n,this.opts.escapeMarkup)),s!==t&&n.append(s),(i=this.opts.formatSelectionCssClass(e,n))!==t&&n.addClass(i),this.selection.removeClass("select2-default"),this.opts.allowClear&&this.getPlaceholder()!==t&&this.container.addClass("select2-allowclear")},val:function(){var e,s=!1,i=null,n=this,o=this.data();if(0===arguments.length)return this.opts.element.val();if(e=arguments[0],arguments.length>1&&(s=arguments[1],this.opts.debug&&console&&console.warn&&console.warn('Select2: The second option to `select2("val")` is not supported in Select2 4.0.0. The `change` event will always be triggered in 4.0.0.')),this.select)this.opts.debug&&console&&console.warn&&console.warn('Select2: Setting the value on a <select> using `select2("val")` is no longer supported in 4.0.0. You can use the `.val(newValue).trigger("change")` method provided by jQuery instead.'),this.select.val(e).find("option").filter(function(){return this.selected}).each2(function(e,t){return i=n.optionToData(t),!1}),this.updateSelection(i),this.setPlaceholder(),s&&this.triggerChange({added:i,removed:o});else{if(!e&&0!==e)return void this.clear(s);if(this.opts.initSelection===t)throw new Error("cannot call val() if initSelection() is not defined");this.opts.element.val(e),this.opts.initSelection(this.opts.element,function(e){n.opts.element.val(e?n.id(e):""),n.updateSelection(e),n.setPlaceholder(),s&&n.triggerChange({added:e,removed:o})})}},clearSearch:function(){this.search.val(""),this.focusser.val("")},data:function(e){var s,i=!1;if(0===arguments.length)return(s=this.selection.data("select2-data"))==t&&(s=null),s;this.opts.debug&&console&&console.warn&&console.warn('Select2: The `select2("data")` method can no longer set selected values in 4.0.0, consider using the `.val()` method instead.'),arguments.length>1&&(i=arguments[1]),e?(s=this.data(),this.opts.element.val(e?this.id(e):""),this.updateSelection(e),i&&this.triggerChange({added:e,removed:s})):this.clear(i)}}),A=P(k,{createContainer:function(){return e(document.createElement("div")).attr({class:"select2-container select2-container-multi"}).html(["<ul class='select2-choices'>","  <li class='select2-search-field'>","    <label for='' class='select2-offscreen'></label>","    <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input'>","  </li>","</ul>","<div class='select2-drop select2-drop-multi select2-display-none'>","   <ul class='select2-results'>","   </ul>","</div>"].join(""))},prepareOpts:function(){var t=this.parent.prepareOpts.apply(this,arguments),s=this;return"select"===t.element.get(0).tagName.toLowerCase()?t.initSelection=function(e,t){var i=[];e.find("option").filter(function(){return this.selected&&!this.disabled}).each2(function(e,t){i.push(s.optionToData(t))}),t(i)}:"data"in t&&(t.initSelection=t.initSelection||function(s,i){var n=l(s.val(),t.separator,t.transformVal),o=[];t.query({matcher:function(s,i,l){var r=e.grep(n,function(e){return a(e,t.id(l))}).length;return r&&o.push(l),r},callback:e.isFunction(i)?function(){for(var e=[],s=0;s<n.length;s++)for(var l=n[s],r=0;r<o.length;r++){var c=o[r];if(a(l,t.id(c))){e.push(c),o.splice(r,1);break}}i(e)}:e.noop})}),t},selectChoice:function(e){var t=this.container.find(".select2-search-choice-focus");t.length&&e&&e[0]==t[0]||(t.length&&this.opts.element.trigger("choice-deselected",t),t.removeClass("select2-search-choice-focus"),e&&e.length&&(this.close(),e.addClass("select2-search-choice-focus"),this.opts.element.trigger("choice-selected",e)))},destroy:function(){e("label[for='"+this.search.attr("id")+"']").attr("for",this.opts.element.attr("id")),this.parent.destroy.apply(this,arguments),I.call(this,"searchContainer","selection")},initContainer:function(){var t,s=".select2-choices";this.searchContainer=this.container.find(".select2-search-field"),this.selection=t=this.container.find(s);var i=this;this.selection.on("click",".select2-container:not(.select2-container-disabled) .select2-search-choice:not(.select2-locked)",function(t){i.search[0].focus(),i.selectChoice(e(this))}),this.search.attr("id","s2id_autogen"+D()),this.search.prev().text(e("label[for='"+this.opts.element.attr("id")+"']").text()).attr("for",this.search.attr("id")),this.opts.element.on("focus.select2",this.bind(function(){this.focus()})),this.search.on("input paste",this.bind(function(){this.search.attr("placeholder")&&0==this.search.val().length||this.isInterfaceEnabled()&&(this.opened()||this.open())})),this.search.attr("tabindex",this.elementTabIndex),this.keydowns=0,this.search.on("keydown",this.bind(function(e){if(this.isInterfaceEnabled()){++this.keydowns;var s=t.find(".select2-search-choice-focus"),i=s.prev(".select2-search-choice:not(.select2-locked)"),n=s.next(".select2-search-choice:not(.select2-locked)"),o=f(this.search);if(s.length&&(e.which==F.LEFT||e.which==F.RIGHT||e.which==F.BACKSPACE||e.which==F.DELETE||e.which==F.ENTER)){var a=s;return e.which==F.LEFT&&i.length?a=i:e.which==F.RIGHT?a=n.length?n:null:e.which===F.BACKSPACE?this.unselect(s.first())&&(this.search.width(10),a=i.length?i:n):e.which==F.DELETE?this.unselect(s.first())&&(this.search.width(10),a=n.length?n:null):e.which==F.ENTER&&(a=null),this.selectChoice(a),g(e),void(a&&a.length||this.open())}if((e.which===F.BACKSPACE&&1==this.keydowns||e.which==F.LEFT)&&0==o.offset&&!o.length)return this.selectChoice(t.find(".select2-search-choice:not(.select2-locked)").last()),void g(e);if(this.selectChoice(null),this.opened())switch(e.which){case F.UP:case F.DOWN:return this.moveHighlight(e.which===F.UP?-1:1),void g(e);case F.ENTER:return this.selectHighlighted(),void g(e);case F.TAB:return this.selectHighlighted({noFocus:!0}),void this.close();case F.ESC:return this.cancel(e),void g(e)}if(e.which!==F.TAB&&!F.isControl(e)&&!F.isFunctionKey(e)&&e.which!==F.BACKSPACE&&e.which!==F.ESC){if(e.which===F.ENTER){if(!1===this.opts.openOnEnter)return;if(e.altKey||e.ctrlKey||e.shiftKey||e.metaKey)return}this.open(),e.which!==F.PAGE_UP&&e.which!==F.PAGE_DOWN||g(e),e.which===F.ENTER&&g(e)}}})),this.search.on("keyup",this.bind(function(e){this.keydowns=0,this.resizeSearch()})),this.search.on("blur",this.bind(function(t){this.container.removeClass("select2-container-active"),this.search.removeClass("select2-focused"),this.selectChoice(null),this.opened()||this.clearSearch(),t.stopImmediatePropagation(),this.opts.element.trigger(e.Event("select2-blur"))})),this.container.on("click",s,this.bind(function(t){this.isInterfaceEnabled()&&(e(t.target).closest(".select2-search-choice").length>0||(this.selectChoice(null),this.clearPlaceholder(),this.container.hasClass("select2-container-active")||this.opts.element.trigger(e.Event("select2-focus")),this.open(),this.focusSearch(),t.preventDefault()))})),this.container.on("focus",s,this.bind(function(){this.isInterfaceEnabled()&&(this.container.hasClass("select2-container-active")||this.opts.element.trigger(e.Event("select2-focus")),this.container.addClass("select2-container-active"),this.dropdown.addClass("select2-drop-active"),this.clearPlaceholder())})),this.initContainerWidth(),this.opts.element.hide(),this.clearSearch()},enableInterface:function(){this.parent.enableInterface.apply(this,arguments)&&this.search.prop("disabled",!this.isInterfaceEnabled())},initSelection:function(){if(""===this.opts.element.val()&&""===this.opts.element.text()&&(this.updateSelection([]),this.close(),this.clearSearch()),this.select||""!==this.opts.element.val()){var e=this;this.opts.initSelection.call(null,this.opts.element,function(s){s!==t&&null!==s&&(e.updateSelection(s),e.close(),e.clearSearch())})}},clearSearch:function(){var e=this.getPlaceholder(),s=this.getMaxSearchWidth();e!==t&&0===this.getVal().length&&!1===this.search.hasClass("select2-focused")?(this.search.val(e).addClass("select2-default"),this.search.width(s>0?s:this.container.css("width"))):this.search.val("").width(10)},clearPlaceholder:function(){this.search.hasClass("select2-default")&&this.search.val("").removeClass("select2-default")},opening:function(){this.clearPlaceholder(),this.resizeSearch(),this.parent.opening.apply(this,arguments),this.focusSearch(),this.prefillNextSearchTerm(),this.updateResults(!0),this.opts.shouldFocusInput(this)&&this.search.focus(),this.opts.element.trigger(e.Event("select2-open"))},close:function(){this.opened()&&this.parent.close.apply(this,arguments)},focus:function(){this.close(),this.search.focus()},isFocused:function(){return this.search.hasClass("select2-focused")},updateSelection:function(t){var s={},i=[],n=this;e(t).each(function(){n.id(this)in s||(s[n.id(this)]=0,i.push(this))}),this.selection.find(".select2-search-choice").remove(),this.addSelectedChoice(i),n.postprocessResults()},tokenize:function(){var e=this.search.val();null!=(e=this.opts.tokenizer.call(this,e,this.data(),this.bind(this.onSelect),this.opts))&&e!=t&&(this.search.val(e),e.length>0&&this.open())},onSelect:function(e,t){this.triggerSelect(e)&&""!==e.text&&(this.addSelectedChoice(e),this.opts.element.trigger({type:"selected",val:this.id(e),choice:e}),this.lastSearchTerm=this.search.val(),this.clearSearch(),this.updateResults(),!this.select&&this.opts.closeOnSelect||this.postprocessResults(e,!1,!0===this.opts.closeOnSelect),this.opts.closeOnSelect?(this.close(),this.search.width(10)):this.countSelectableResults()>0?(this.search.width(10),this.resizeSearch(),this.getMaximumSelectionSize()>0&&this.val().length>=this.getMaximumSelectionSize()?this.updateResults(!0):this.prefillNextSearchTerm()&&this.updateResults(),this.positionDropdown()):(this.close(),this.search.width(10)),this.triggerChange({added:e}),t&&t.noFocus||this.focusSearch())},cancel:function(){this.close(),this.focusSearch()},addSelectedChoice:function(t){var s=this.getVal(),i=this;e(t).each(function(){s.push(i.createChoice(this))}),this.setVal(s)},createChoice:function(s){var i,n,o=!s.locked,a=e("<li class='select2-search-choice'>    <div></div>    <a href='#' class='select2-search-choice-close' tabindex='-1'></a></li>"),l=e("<li class='select2-search-choice select2-locked'><div></div></li>"),r=o?a:l,c=this.id(s);return(i=this.opts.formatSelection(s,r.find("div"),this.opts.escapeMarkup))!=t&&r.find("div").replaceWith(e("<div></div>").html(i)),(n=this.opts.formatSelectionCssClass(s,r.find("div")))!=t&&r.addClass(n),o&&r.find(".select2-search-choice-close").on("mousedown",g).on("click dblclick",this.bind(function(t){this.isInterfaceEnabled()&&(this.unselect(e(t.target)),this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus"),g(t),this.close(),this.focusSearch())})).on("focus",this.bind(function(){this.isInterfaceEnabled()&&(this.container.addClass("select2-container-active"),this.dropdown.addClass("select2-drop-active"))})),r.data("select2-data",s),r.insertBefore(this.searchContainer),c},unselect:function(t){var s,i,o=this.getVal();if(0===(t=t.closest(".select2-search-choice")).length)throw"Invalid argument: "+t+". Must be .select2-search-choice";if(s=t.data("select2-data")){var a=e.Event("select2-removing");if(a.val=this.id(s),a.choice=s,this.opts.element.trigger(a),a.isDefaultPrevented())return!1;for(;(i=n(this.id(s),o))>=0;)o.splice(i,1),this.setVal(o),this.select&&this.postprocessResults();return t.remove(),this.opts.element.trigger({type:"select2-removed",val:this.id(s),choice:s}),this.triggerChange({removed:s}),!0}},postprocessResults:function(e,t,s){var i=this.getVal(),o=this.results.find(".select2-result"),a=this.results.find(".select2-result-with-children"),l=this;o.each2(function(e,t){n(l.id(t.data("select2-data")),i)>=0&&(t.addClass("select2-selected"),t.find(".select2-result-selectable").addClass("select2-selected"))}),a.each2(function(e,t){t.is(".select2-result-selectable")||0!==t.find(".select2-result-selectable:not(.select2-selected)").length||t.addClass("select2-selected")}),-1==this.highlight()&&!1!==s&&!0===this.opts.closeOnSelect&&l.highlight(0),!this.opts.createSearchChoice&&!o.filter(".select2-result:not(.select2-selected)").length>0&&(!e||e&&!e.more&&0===this.results.find(".select2-no-results").length)&&T(l.opts.formatNoMatches,"formatNoMatches")&&this.results.append("<li class='select2-no-results'>"+E(l.opts.formatNoMatches,l.opts.element,l.search.val())+"</li>")},getMaxSearchWidth:function(){return this.selection.width()-r(this.search)},resizeSearch:function(){var e,t,s,i,n=r(this.search);e=v(this.search)+10,t=this.search.offset().left,(i=(s=this.selection.width())-(t-this.selection.offset().left)-n)<e&&(i=s-n),i<40&&(i=s-n),i<=0&&(i=e),this.search.width(Math.floor(i))},getVal:function(){var e;return this.select?null===(e=this.select.val())?[]:e:(e=this.opts.element.val(),l(e,this.opts.separator,this.opts.transformVal))},setVal:function(t){if(this.select)this.select.val(t);else{var s=[],i={};e(t).each(function(){this in i||(s.push(this),i[this]=0)}),this.opts.element.val(0===s.length?"":s.join(this.opts.separator))}},buildChangeDetails:function(e,t){for(var t=t.slice(0),e=e.slice(0),s=0;s<t.length;s++)for(var i=0;i<e.length;i++)if(a(this.opts.id(t[s]),this.opts.id(e[i]))){t.splice(s,1),s--,e.splice(i,1);break}return{added:t,removed:e}},val:function(s,i){var n,o=this;if(0===arguments.length)return this.getVal();if((n=this.data()).length||(n=[]),!s&&0!==s)return this.opts.element.val(""),this.updateSelection([]),this.clearSearch(),void(i&&this.triggerChange({added:this.data(),removed:n}));if(this.setVal(s),this.select)this.opts.initSelection(this.select,this.bind(this.updateSelection)),i&&this.triggerChange(this.buildChangeDetails(n,this.data()));else{if(this.opts.initSelection===t)throw new Error("val() cannot be called if initSelection() is not defined");this.opts.initSelection(this.opts.element,function(t){var s=e.map(t,o.id);o.setVal(s),o.updateSelection(t),o.clearSearch(),i&&o.triggerChange(o.buildChangeDetails(n,o.data()))})}this.clearSearch()},onSortStart:function(){if(this.select)throw new Error("Sorting of elements is not supported when attached to <select>. Attach to <input type='hidden'/> instead.");this.search.width(0),this.searchContainer.hide()},onSortEnd:function(){var t=[],s=this;this.searchContainer.show(),this.searchContainer.appendTo(this.searchContainer.parent()),this.resizeSearch(),this.selection.find(".select2-search-choice").each(function(){t.push(s.opts.id(e(this).data("select2-data")))}),this.setVal(t),this.triggerChange()},data:function(t,s){var i,n,o=this;if(0===arguments.length)return this.selection.children(".select2-search-choice").map(function(){return e(this).data("select2-data")}).get();n=this.data(),t||(t=[]),i=e.map(t,function(e){return o.opts.id(e)}),this.setVal(i),this.updateSelection(t),this.clearSearch(),s&&this.triggerChange(this.buildChangeDetails(n,this.data()))}}),e.fn.select2=function(){var s,i,o,a,l,r=Array.prototype.slice.call(arguments,0),c=["val","destroy","opened","open","close","focus","isFocused","container","dropdown","onSortStart","onSortEnd","enable","disable","readonly","positionDropdown","data","search"],h=["opened","isFocused","container","dropdown"],u=["val","data"],d={search:"externalSearch"};return this.each(function(){if(0===r.length||"object"==typeof r[0])(s=0===r.length?{}:e.extend({},r[0])).element=e(this),"select"===s.element.get(0).tagName.toLowerCase()?l=s.element.prop("multiple"):(l=s.multiple||!1,"tags"in s&&(s.multiple=l=!0)),(i=l?new window.Select2.class.multi:new window.Select2.class.single).init(s);else{if("string"!=typeof r[0])throw"Invalid arguments to select2 plugin: "+r;if(n(r[0],c)<0)throw"Unknown method: "+r[0];if(a=t,(i=e(this).data("select2"))===t)return;if("container"===(o=r[0])?a=i.container:"dropdown"===o?a=i.dropdown:(d[o]&&(o=d[o]),a=i[o].apply(i,r.slice(1))),n(r[0],h)>=0||n(r[0],u)>=0&&1==r.length)return!1}}),a===t?this:a},e.fn.select2.defaults={debug:!1,width:"copy",loadMorePadding:0,closeOnSelect:!0,openOnEnter:!0,containerCss:{},dropdownCss:{},containerCssClass:"",dropdownCssClass:"",formatResult:function(e,t,s,i){var n=[];return w(this.text(e),s.term,n,i),n.join("")},transformVal:function(t){return e.trim(t)},formatSelection:function(e,s,i){return e?i(this.text(e)):t},sortResults:function(e,t,s){return e},formatResultCssClass:function(e){return e.css},formatSelectionCssClass:function(e,s){return t},minimumResultsForSearch:0,minimumInputLength:0,maximumInputLength:null,maximumSelectionSize:0,id:function(e){return e==t?null:e.id},text:function(t){return t&&this.data&&this.data.text?e.isFunction(this.data.text)?this.data.text(t):t[this.data.text]:t.text},matcher:function(e,t){return i(""+t).toUpperCase().indexOf(i(""+e).toUpperCase())>=0},separator:",",tokenSeparators:[],tokenizer:function(e,s,i,n){var o,l,r,c,h,u=e,d=!1;if(!n.createSearchChoice||!n.tokenSeparators||n.tokenSeparators.length<1)return t;for(;;){for(l=-1,r=0,c=n.tokenSeparators.length;r<c&&(h=n.tokenSeparators[r],!((l=e.indexOf(h))>=0));r++);if(l<0)break;if(o=e.substring(0,l),e=e.substring(l+h.length),o.length>0&&(o=n.createSearchChoice.call(this,o,s))!==t&&null!==o&&n.id(o)!==t&&null!==n.id(o)){for(d=!1,r=0,c=s.length;r<c;r++)if(a(n.id(o),n.id(s[r]))){d=!0;break}d||i(o)}}return u!==e?e:void 0},escapeMarkup:S,blurOnChange:!1,selectOnBlur:!1,adaptContainerCssClass:function(e){return e},adaptDropdownCssClass:function(e){return null},nextSearchTerm:function(e,s){return t},searchInputPlaceholder:"",createSearchChoicePosition:"top",shouldFocusInput:function(e){return!("ontouchstart"in window||navigator.msMaxTouchPoints>0)||!(e.opts.minimumResultsForSearch<0)}},e.fn.select2.locales=[],e.fn.select2.locales.en={formatMatches:function(e){return 1===e?"One result is available, press enter to select it.":e+" results are available, use up and down arrow keys to navigate."},formatNoMatches:function(){return"No matches found"},formatAjaxError:function(e,t,s){return"Loading failed"},formatInputTooShort:function(e,t){var s=t-e.length;return"Please enter "+s+" or more character"+(1==s?"":"s")},formatInputTooLong:function(e,t){var s=e.length-t;return"Please delete "+s+" character"+(1==s?"":"s")},formatSelectionTooBig:function(e){return"You can only select "+e+" item"+(1==e?"":"s")},formatLoadMore:function(e){return"Loading more results…"},formatSearching:function(){return"Searching…"}},e.extend(e.fn.select2.defaults,e.fn.select2.locales.en),e.fn.select2.ajaxDefaults={transport:e.ajax,params:{type:"GET",cache:!1,dataType:"json"}},window.Select2={query:{ajax:C,local:y,tags:x},util:{debounce:u,markMatch:w,escapeMarkup:S,stripDiacritics:i},class:{abstract:k,single:R,multi:A}}}}(jQuery);