diff -r 000000000000 -r bca7a7e058a3 src/pyams_skin/resources/js/ext/fancybox-helpers/fancybox-buttons.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_skin/resources/js/ext/fancybox-helpers/fancybox-buttons.js	Thu Feb 13 11:43:31 2020 +0100
@@ -0,0 +1,122 @@
+ /*!
+ * Buttons helper for fancyBox
+ * version: 1.0.5 (Mon, 15 Oct 2012)
+ * @requires fancyBox v2.0 or later
+ *
+ * Usage:
+ *     $(".fancybox").fancybox({
+ *         helpers : {
+ *             buttons: {
+ *                 position : 'top'
+ *             }
+ *         }
+ *     });
+ *
+ */
+(function ($) {
+	//Shortcut for fancyBox object
+	var F = $.fancybox;
+
+	//Add helper object
+	F.helpers.buttons = {
+		defaults : {
+			skipSingle : false, // disables if gallery contains single image
+			position   : 'top', // 'top' or 'bottom'
+			tpl        : '<div id="fancybox-buttons"><ul><li><a class="btnPrev" title="Previous" href="javascript:;"></a></li><li><a class="btnPlay" title="Start slideshow" href="javascript:;"></a></li><li><a class="btnNext" title="Next" href="javascript:;"></a></li><li><a class="btnToggle" title="Toggle size" href="javascript:;"></a></li><li><a class="btnClose" title="Close" href="javascript:;"></a></li></ul></div>'
+		},
+
+		list : null,
+		buttons: null,
+
+		beforeLoad: function (opts, obj) {
+			//Remove self if gallery do not have at least two items
+
+			if (opts.skipSingle && obj.group.length < 2) {
+				obj.helpers.buttons = false;
+				obj.closeBtn = true;
+
+				return;
+			}
+
+			//Increase top margin to give space for buttons
+			obj.margin[ opts.position === 'bottom' ? 2 : 0 ] += 30;
+		},
+
+		onPlayStart: function () {
+			if (this.buttons) {
+				this.buttons.play.attr('title', 'Pause slideshow').addClass('btnPlayOn');
+			}
+		},
+
+		onPlayEnd: function () {
+			if (this.buttons) {
+				this.buttons.play.attr('title', 'Start slideshow').removeClass('btnPlayOn');
+			}
+		},
+
+		afterShow: function (opts, obj) {
+			var buttons = this.buttons;
+
+			if (!buttons) {
+				this.list = $(opts.tpl).addClass(opts.position).appendTo('body');
+
+				buttons = {
+					prev   : this.list.find('.btnPrev').click( F.prev ),
+					next   : this.list.find('.btnNext').click( F.next ),
+					play   : this.list.find('.btnPlay').click( F.play ),
+					toggle : this.list.find('.btnToggle').click( F.toggle ),
+					close  : this.list.find('.btnClose').click( F.close )
+				}
+			}
+
+			//Prev
+			if (obj.index > 0 || obj.loop) {
+				buttons.prev.removeClass('btnDisabled');
+			} else {
+				buttons.prev.addClass('btnDisabled');
+			}
+
+			//Next / Play
+			if (obj.loop || obj.index < obj.group.length - 1) {
+				buttons.next.removeClass('btnDisabled');
+				buttons.play.removeClass('btnDisabled');
+
+			} else {
+				buttons.next.addClass('btnDisabled');
+				buttons.play.addClass('btnDisabled');
+			}
+
+			this.buttons = buttons;
+
+			this.onUpdate(opts, obj);
+		},
+
+		onUpdate: function (opts, obj) {
+			var toggle;
+
+			if (!this.buttons) {
+				return;
+			}
+
+			toggle = this.buttons.toggle.removeClass('btnDisabled btnToggleOn');
+
+			//Size toggle button
+			if (obj.canShrink) {
+				toggle.addClass('btnToggleOn');
+
+			} else if (!obj.canExpand) {
+				toggle.addClass('btnDisabled');
+			}
+		},
+
+		beforeClose: function () {
+			if (this.list) {
+				this.list.remove();
+			}
+
+			this.list    = null;
+			this.buttons = null;
+		}
+	};
+
+}(jQuery));