Tracking Clicks on a Flash Ad

package
{
    import flash.display.MovieClip;
    import flash.display.SimpleButton;
    import flash.events.MouseEvent;

    public class ImportMe extends MovieClip
    {
    	public function ImportMe()
    	{
    		myButton.addEventListener(MouseEvent.CLICK, button_OnClick);
    	}

    	private function button_OnClick(event:MouseEvent):void
    	{
    		// shifts the button right 10 pixels to prove the event fired
    		myButton.x += 10;
    	}
    }
}

package
{
    import flash.display.MovieClip;
    import flash.display.Loader;
    import flash.net.URLRequest;
    import flash.events.*;

    public class Tester extends MovieClip
    {
    	public function Tester()
    	{
    		var request:URLRequest = new URLRequest("importme.swf");
    		var loader:Loader = new Loader();
    		loader.addEventListener(Event.COMPLETE, loader_OnComplete);
    		loader.addEventListener(MouseEvent.CLICK, loader_OnClick);
    		loader.load(request);
    		addChild(loader);
    	}

    	private function loader_OnComplete(event:Event):void
    	{
    		trace("loaded");
    	}

    	private function loader_OnClick(event:MouseEvent):void
    	{
    		trace("clicked");
    	}
    }
}