How to unload an external SWF after 15 seconds?

programming flash
1

Hi,

I am using the following code to load an external SWF. I want to unload it after 15 seconds. How can I unload it? Please help me in this regard.

var mySwf1:SWFLoader = new SWFLoader("Clock.swf", {width:200,  height:200, x:-300, y:-300, container:this,  onComplete:completeHandler1});

mySwf1.load();

function completeHandler1(event:LoaderEvent):void {
    TweenMax.fromTo(event.target.content, 3, {x:270, y:250, scaleX:.5,  scaleY:.5, alpha:0}, {x:270, y:250, scaleX:2, scaleY:2, alpha:1,  delay:3});
}