// var movieContainer:Sprite = new Sprite ();
// this.addChild(movieContainer);
// var loaderObj:Loader = new Loader();
// movieContainer.addChild(loaderObj);

var loaderObj:Loader = new Loader();
var url:URLRequest = new URLRequest("k1.swf");

loaderObj.contentLoaderInfo.addEventListener(Event.COMPLETE, onLoadedSWF);
loaderObj.load(url);

var swf:MovieClip;

function onLoadedSWF(e:Event):void
{
	loaderObj.contentLoaderInfo.removeEventListener(Event.COMPLETE, onLoadedSWF);
	trace(e.target);			// [object LoaderInfo]
	trace(e.target.content);	// [object MovieClip]
	// e.target.content.stop();
	swf = e.target.content;
	addChild(swf);
	swf.stop();
	start_btn.addEventListener(MouseEvent.CLICK,start_swf);
}

function start_swf(e:MouseEvent):void
{
	swf.play();
}