diff -r 000000000000 -r c78d206bf01c tinymce/3rdparty/utils/mctabs.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tinymce/3rdparty/utils/mctabs.js	Thu Jun 02 06:24:03 2011 -0400
@@ -0,0 +1,76 @@
+/**
+ * $Id: mctabs.js 758 2008-03-30 13:53:29Z spocke $
+ *
+ * Moxiecode DHTML Tabs script.
+ *
+ * @author Moxiecode
+ * @copyright Copyright © 2004-2008, Moxiecode Systems AB, All rights reserved.
+ */
+
+function MCTabs() {
+	this.settings = [];
+};
+
+MCTabs.prototype.init = function(settings) {
+	this.settings = settings;
+};
+
+MCTabs.prototype.getParam = function(name, default_value) {
+	var value = null;
+
+	value = (typeof(this.settings[name]) == "undefined") ? default_value : this.settings[name];
+
+	// Fix bool values
+	if (value == "true" || value == "false")
+		return (value == "true");
+
+	return value;
+};
+
+MCTabs.prototype.displayTab = function(tab_id, panel_id) {
+	var panelElm, panelContainerElm, tabElm, tabContainerElm, selectionClass, nodes, i;
+
+	panelElm= document.getElementById(panel_id);
+	panelContainerElm = panelElm ? panelElm.parentNode : null;
+	tabElm = document.getElementById(tab_id);
+	tabContainerElm = tabElm ? tabElm.parentNode : null;
+	selectionClass = this.getParam('selection_class', 'current');
+
+	if (tabElm && tabContainerElm) {
+		nodes = tabContainerElm.childNodes;
+
+		// Hide all other tabs
+		for (i = 0; i < nodes.length; i++) {
+			if (nodes[i].nodeName == "LI")
+				nodes[i].className = '';
+		}
+
+		// Show selected tab
+		tabElm.className = 'current';
+	}
+
+	if (panelElm && panelContainerElm) {
+		nodes = panelContainerElm.childNodes;
+
+		// Hide all other panels
+		for (i = 0; i < nodes.length; i++) {
+			if (nodes[i].nodeName == "DIV")
+				nodes[i].className = 'panel';
+		}
+
+		// Show selected panel
+		panelElm.className = 'current';
+	}
+};
+
+MCTabs.prototype.getAnchor = function() {
+	var pos, url = document.location.href;
+
+	if ((pos = url.lastIndexOf('#')) != -1)
+		return url.substring(pos + 1);
+
+	return "";
+};
+
+// Global instance
+var mcTabs = new MCTabs();