diff -r fd8fb93e1b6a -r a361355b55c7 src/pyams_skin/resources/js/ext/tinymce/dev/classes/ui/Scrollable.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_skin/resources/js/ext/tinymce/dev/classes/ui/Scrollable.js	Wed Jun 17 10:00:10 2015 +0200
@@ -0,0 +1,149 @@
+/**
+ * Scrollable.js
+ *
+ * Copyright, Moxiecode Systems AB
+ * Released under LGPL License.
+ *
+ * License: http://www.tinymce.com/license
+ * Contributing: http://www.tinymce.com/contributing
+ */
+
+/**
+ * This mixin makes controls scrollable using custom scrollbars.
+ *
+ * @-x-less Scrollable.less
+ * @mixin tinymce.ui.Scrollable
+ */
+define("tinymce/ui/Scrollable", [
+	"tinymce/ui/DomUtils",
+	"tinymce/ui/DragHelper"
+], function(DomUtils, DragHelper) {
+	"use strict";
+
+	return {
+		init: function() {
+			var self = this;
+			self.on('repaint', self.renderScroll);
+		},
+
+		renderScroll: function() {
+			var self = this, margin = 2;
+
+			function repaintScroll() {
+				var hasScrollH, hasScrollV, bodyElm;
+
+				function repaintAxis(axisName, posName, sizeName, contentSizeName, hasScroll, ax) {
+					var containerElm, scrollBarElm, scrollThumbElm;
+					var containerSize, scrollSize, ratio, rect;
+					var posNameLower, sizeNameLower;
+
+					scrollBarElm = self.getEl('scroll' + axisName);
+					if (scrollBarElm) {
+						posNameLower = posName.toLowerCase();
+						sizeNameLower = sizeName.toLowerCase();
+
+						if (self.getEl('absend')) {
+							DomUtils.css(self.getEl('absend'), posNameLower, self.layoutRect()[contentSizeName] - 1);
+						}
+
+						if (!hasScroll) {
+							DomUtils.css(scrollBarElm, 'display', 'none');
+							return;
+						}
+
+						DomUtils.css(scrollBarElm, 'display', 'block');
+						containerElm = self.getEl('body');
+						scrollThumbElm = self.getEl('scroll' + axisName + "t");
+						containerSize = containerElm["client" + sizeName] - (margin * 2);
+						containerSize -= hasScrollH && hasScrollV ? scrollBarElm["client" + ax] : 0;
+						scrollSize = containerElm["scroll" + sizeName];
+						ratio = containerSize / scrollSize;
+
+						rect = {};
+						rect[posNameLower] = containerElm["offset" + posName] + margin;
+						rect[sizeNameLower] = containerSize;
+						DomUtils.css(scrollBarElm, rect);
+
+						rect = {};
+						rect[posNameLower] = containerElm["scroll" + posName] * ratio;
+						rect[sizeNameLower] = containerSize * ratio;
+						DomUtils.css(scrollThumbElm, rect);
+					}
+				}
+
+				bodyElm = self.getEl('body');
+				hasScrollH = bodyElm.scrollWidth > bodyElm.clientWidth;
+				hasScrollV = bodyElm.scrollHeight > bodyElm.clientHeight;
+
+				repaintAxis("h", "Left", "Width", "contentW", hasScrollH, "Height");
+				repaintAxis("v", "Top", "Height", "contentH", hasScrollV, "Width");
+			}
+
+			function addScroll() {
+				function addScrollAxis(axisName, posName, sizeName, deltaPosName, ax) {
+					var scrollStart, axisId = self._id + '-scroll' + axisName, prefix = self.classPrefix;
+
+					self.getEl().appendChild(DomUtils.createFragment(
+						'<div id="' + axisId + '" class="' + prefix + 'scrollbar ' + prefix + 'scrollbar-' + axisName + '">' +
+							'<div id="' + axisId + 't" class="' + prefix + 'scrollbar-thumb"></div>' +
+						'</div>'
+					));
+
+					self.draghelper = new DragHelper(axisId + 't', {
+						start: function() {
+							scrollStart = self.getEl('body')["scroll" + posName];
+							DomUtils.addClass(DomUtils.get(axisId), prefix + 'active');
+						},
+
+						drag: function(e) {
+							var ratio, hasScrollH, hasScrollV, containerSize, layoutRect = self.layoutRect();
+
+							hasScrollH = layoutRect.contentW > layoutRect.innerW;
+							hasScrollV = layoutRect.contentH > layoutRect.innerH;
+							containerSize = self.getEl('body')["client" + sizeName] - (margin * 2);
+							containerSize -= hasScrollH && hasScrollV ? self.getEl('scroll' + axisName)["client" + ax] : 0;
+
+							ratio = containerSize / self.getEl('body')["scroll" + sizeName];
+							self.getEl('body')["scroll" + posName] = scrollStart + (e["delta" + deltaPosName] / ratio);
+						},
+
+						stop: function() {
+							DomUtils.removeClass(DomUtils.get(axisId), prefix + 'active');
+						}
+					});
+/*
+					self.on('click', function(e) {
+						if (e.target.id == self._id + '-scrollv') {
+
+						}
+					});*/
+				}
+
+				self.addClass('scroll');
+
+				addScrollAxis("v", "Top", "Height", "Y", "Width");
+				addScrollAxis("h", "Left", "Width", "X", "Height");
+			}
+
+			if (self.settings.autoScroll) {
+				if (!self._hasScroll) {
+					self._hasScroll = true;
+					addScroll();
+
+					self.on('wheel', function(e) {
+						var bodyEl = self.getEl('body');
+
+						bodyEl.scrollLeft += (e.deltaX || 0) * 10;
+						bodyEl.scrollTop += e.deltaY * 10;
+
+						repaintScroll();
+					});
+
+					DomUtils.on(self.getEl('body'), "scroll", repaintScroll);
+				}
+
+				repaintScroll();
+			}
+		}
+	};
+});
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