click 特效
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute">
<mx:Script>
<![CDATA[
private function onClick(event:Event):void {
be.target = event.currentTarget;
be.play( );
}
]]>
</mx:Script>

<mx:Blur id="be" blurXTo="50" blurYTo="50" duration="1000" />

<mx:Panel id="p" width="200" height="180" click="onClick(event)" />
</mx:Application>