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 +1,49 @@
+/**
+ * @class TYPO3.Flashmessage
+ * Passive popup box (a toast) singleton
+ * @singleton
+ * 
+ * Example:
+ * TYPO3.Flashmessage.msg(1, 'TYPO3 Backend - Version 4.4', 'Ready for take off', 3);
+ */
+
+Ext.ns('TYPO3');
+
+TYPO3.Flashmessage = function() {
+	var msgContainer;
+	var sev = ['notice', 'ok', 'warning', 'error'];
+	
+	function createBox(severity, title, message){
+		return ['<div class="typo3-message message-', severity, '" style="min-width: 600px">',
+				'<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=ok, 2=warning, 3=error
+		 * @param {String} title
+		 * @param {String} message
+		 * @param {float} duration in sec (default 5)
+		 * @param {String} parentContainer (default document.body)
+		 */
+		msg : function(severity, title, message, duration, parentContainer){
+			duration = duration || 5;
+			parentContainer = parentContainer || document.body;
+			if(!msgContainer){
+				msgContainer = Ext.DomHelper.insertFirst(parentContainer, {id:'msg-div',style:'position:absolute;z-index:10000'}, true);
+			}
+			
+			var m = Ext.DomHelper.append(msgContainer, {html:createBox(sev[severity], title, message)}, true);
+			msgContainer.alignTo(document, 't-t');
+			m.slideIn('t').pause(duration).ghost("t", {remove:true});
+		}
+	}
+
+}();
+
Index: typo3/backend.php
===================================================================
--- typo3/backend.php	(revision 7093)
+++ 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'
 		);