FLEX播放gif

<?xml version="1.0" encoding="utf-8"?> 
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" creationComplete="init()"> 
<mx:Script> 
<![CDATA[ 
import org.gif.player.GIFPlayer; 
import org.gif.decoder.GIFDecoder; 
import org.gif.events.GIFPlayerEvent; 
import org.gif.events.FileTypeEvent; 
import org.gif.events.FrameEvent; 
import org.gif.events.TimeoutEvent; 

var myGIFPlayer:GIFPlayer = new GIFPlayer(true); 

public function init():void { 
var request:URLRequest = new URLRequest("diego.gif"); 
myGIFPlayer.load(request); 
myGIFPlayer.visible = true; 
img.addChild(myGIFPlayer); 
} 
]]> 
</mx:Script> 
<mx:Image x="160" y="148" id="img"/> 
</mx:Application>