Index: t3lib/js/extjs/ux/flashmessages.js
===================================================================
--- t3lib/js/extjs/ux/flashmessages.js	(revision 0)
+++ t3lib/js/extjs/ux/flashmessages.js	(revision 0)
@@ -0,0 +1,82 @@
+/***************************************************************
+ *  Copyright notice
+ *
+ *  (c) 2010 Steffen Kamper <info@sk-typo3.de>
+ *  All rights reserved
+ *
+ *  This script is part of the TYPO3 project. The TYPO3 project is
+ *  free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  The GNU General Public License can be found at
+ *  http://www.gnu.org/copyleft/gpl.html.
+ *
+ *  This script is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  This copyright notice MUST APPEAR in all copies of the script!
+ ***************************************************************/
+
+/**
+ * Flashmessage rendered by ExtJS
+ *
+ *
+ * @author Steffen Kamper <info@sk-typo3.de>
+ * @package TYPO3
+ * @subpackage t3lib
+ * @version $Id: $
+ */
+Ext.ns('TYPO3');
+
+/**
+ * @class TYPO3.Flashmessage
+ * Passive popup box singleton
+ * @singleton
+ *
+ * Example (Information message):
+ * TYPO3.Flashmessage.display(1, 'TYPO3 Backend - Version 4.4', 'Ready for take off', 3);
+ */
+TYPO3.Flashmessage = function() {
+	var messageContainer;
+	var severities = ['notice', 'information', 'ok', 'warning', 'error'];
+
+	function createBox(severity, title, message){
+		return ['<div class="typo3-message message-', severity, '" style="width: 400px">',
+				'<div class="header-container">',
+				'<div class="message-header">', title, '</div>',
+				'</div>',
+				'<div class="message-body">', message, '</div>',
+				'</div>'].join('');
+	}
+
+	return {
+		/**
+		 * Shows popup
+		 * @member TYPO3.Flashmessage
+		 * @param int severity (0=notice, 1=information, 2=ok, 3=warning, 4=error)
+		 * @param string title
+		 * @param string message
+		 * @param float duration in sec (default 5)
+
+		 */
+		display : function(severity, title, message, duration){
+			duration = duration || 5;
+			if(!messageContainer){
+				messageContainer = Ext.DomHelper.insertFirst(document.body, {
+					id   : 'msg-div',
+					style: 'position:absolute;z-index:10000'
+				}, true);
+			}
+
+			var box = Ext.DomHelper.append(messageContainer, {
+				html: createBox(severities[severity], title, message)
+			}, true);
+			messageContainer.alignTo(document, 't-t');
+			box.slideIn('t').pause(duration).ghost('t', {remove:true});
+		}
+	}
+}();
Index: typo3/backend.php
===================================================================
--- typo3/backend.php	(revision 7251)
+++ typo3/backend.php	(working copy)
@@ -103,6 +103,7 @@
 			'js/iecompatibility.js',
 			'js/flashupload.js',
 			'../t3lib/jsfunc.evalfield.js',
+			'../t3lib/js/extjs/ux/flashmessages.js',
 			'ajax.php?ajaxID=ExtDirect::getAPI&namespace=TYPO3.Backend'
 		);