Loader swf 控制帧

var movieSwf:MovieClip=new MovieClip();
var movieCopy:MovieClip=new MovieClip();
private function initLoader():void
{
    loader = new Loader();
    loader.contentLoaderInfo.addEventListener(Event.COMPLETE,completeHandler);

request = new URLRequest(path);
         loader.load(request);
movieCopy.addChild(loader);

}
private function completeHandler(e:Event):void
{
movieSwf=e.target.content;
movieSwf.gotoAndStop(1);
this.addChild(movieCopy);

}