diff -r fd8fb93e1b6a -r a361355b55c7 src/pyams_skin/resources/js/ext/tinymce/dev/classes/ui/DragHelper.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_skin/resources/js/ext/tinymce/dev/classes/ui/DragHelper.js	Wed Jun 17 10:00:10 2015 +0200
@@ -0,0 +1,135 @@
+/**
+ * DragHelper.js
+ *
+ * Copyright, Moxiecode Systems AB
+ * Released under LGPL License.
+ *
+ * License: http://www.tinymce.com/license
+ * Contributing: http://www.tinymce.com/contributing
+ */
+
+/**
+ * Drag/drop helper class.
+ *
+ * @example
+ * var dragHelper = new tinymce.ui.DragHelper('mydiv', {
+ *     start: function(evt) {
+ *     },
+ *
+ *     drag: function(evt) {
+ *     },
+ *
+ *     end: function(evt) {
+ *     }
+ * });
+ *
+ * @class tinymce.ui.DragHelper
+ */
+define("tinymce/ui/DragHelper", [
+	"tinymce/ui/DomUtils"
+], function(DomUtils) {
+	"use strict";
+
+	function getDocumentSize() {
+		var doc = document, documentElement, body, scrollWidth, clientWidth;
+		var offsetWidth, scrollHeight, clientHeight, offsetHeight, max = Math.max;
+
+		documentElement = doc.documentElement;
+		body = doc.body;
+
+		scrollWidth = max(documentElement.scrollWidth, body.scrollWidth);
+		clientWidth = max(documentElement.clientWidth, body.clientWidth);
+		offsetWidth = max(documentElement.offsetWidth, body.offsetWidth);
+
+		scrollHeight = max(documentElement.scrollHeight, body.scrollHeight);
+		clientHeight = max(documentElement.clientHeight, body.clientHeight);
+		offsetHeight = max(documentElement.offsetHeight, body.offsetHeight);
+
+		return {
+			width: scrollWidth < offsetWidth ? clientWidth : scrollWidth,
+			height: scrollHeight < offsetHeight ? clientHeight : scrollHeight
+		};
+	}
+
+	return function(id, settings) {
+		var eventOverlayElm, doc = document, downButton, start, stop, drag, startX, startY;
+
+		settings = settings || {};
+
+		function getHandleElm() {
+			return doc.getElementById(settings.handle || id);
+		}
+
+		start = function(e) {
+			var docSize = getDocumentSize(), handleElm, cursor;
+
+			e.preventDefault();
+			downButton = e.button;
+			handleElm = getHandleElm();
+			startX = e.screenX;
+			startY = e.screenY;
+
+			// Grab cursor from handle
+			if (window.getComputedStyle) {
+				cursor = window.getComputedStyle(handleElm, null).getPropertyValue("cursor");
+			} else {
+				cursor = handleElm.runtimeStyle.cursor;
+			}
+
+			// Create event overlay and add it to document
+			eventOverlayElm = doc.createElement('div');
+			DomUtils.css(eventOverlayElm, {
+				position: "absolute",
+				top: 0, left: 0,
+				width: docSize.width,
+				height: docSize.height,
+				zIndex: 0x7FFFFFFF,
+				opacity: 0.0001,
+				cursor: cursor
+			});
+
+			doc.body.appendChild(eventOverlayElm);
+
+			// Bind mouse events
+			DomUtils.on(doc, 'mousemove', drag);
+			DomUtils.on(doc, 'mouseup', stop);
+
+			// Begin drag
+			settings.start(e);
+		};
+
+		drag = function(e) {
+			if (e.button !== downButton) {
+				return stop(e);
+			}
+
+			e.deltaX = e.screenX - startX;
+			e.deltaY = e.screenY - startY;
+
+			e.preventDefault();
+			settings.drag(e);
+		};
+
+		stop = function(e) {
+			DomUtils.off(doc, 'mousemove', drag);
+			DomUtils.off(doc, 'mouseup', stop);
+
+			eventOverlayElm.parentNode.removeChild(eventOverlayElm);
+
+			if (settings.stop) {
+				settings.stop(e);
+			}
+		};
+
+		/**
+		 * Destroys the drag/drop helper instance.
+		 *
+		 * @method destroy
+		 */
+		this.destroy = function() {
+			DomUtils.off(getHandleElm());
+		};
+
+		DomUtils.on(getHandleElm(), 'mousedown', start);
+	};
+});
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