flex 27 MenuBar test

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" creationComplete="init();">
 <mx:Panel width="250" height="250" layout="absolute" horizontalCenter="0" verticalCenter="0">
  <mx:Label text="select a menu item." horizontalCenter="0" verticalCenter="-86"/>
  <mx:MenuBar labelField="@label" itemClick="menuHandler(event);" dataProvider="{menuBarCollection}" horizontalCenter="0" verticalCenter="-58"></mx:MenuBar>
  <mx:Text id="t" horizontalCenter="0" verticalCenter="25"/>
 </mx:Panel>
 <mx:Script>
  <![CDATA[
   import mx.events.MenuEvent;
   import mx.collections.XMLListCollection;
   [Bindable]
   public var menuBarCollection:XMLListCollection;
   
            private var menubarXML:XMLList =
                <>
                    <menuitem label="초급" data="top">
                        <menuitem label="2"/>
                        <menuitem label="3"/>
                        <menuitem label="4"/>
                        <menuitem label="5"/>
                    </menuitem>
                    <menuitem label="중급" data="top">
                        <menuitem label="6"/>
                        <menuitem label="7"/>
                        <menuitem label="고급">                       
                        <menuitem type="separator"/>
                         <menuitem label="8" type="radio"/>
                            <menuitem label="9" type="radio"/>
                        </menuitem>
                    </menuitem>
                </>;
   private function init():void{
    menuBarCollection = new XMLListCollection(menubarXML);
   }
   private function menuHandler(event:MenuEvent):void{
    if(event.item.@data != "top"){
     var str:String = "";
     for(var i:uint=1;i<=9;i++){
      str += event.item.@label + "x" + i + "=" + (event.item.@label*i) + "\n";
     }
     t.text = str;
    }
   }
  ]]>
 </mx:Script>
</mx:Application>