Код AS3:

private function clickListener(event:Event):void {
//......
var internal_container = obj.parent as Sprite;
//......
obj.x = p.x;
obj.y = p.y;
if (obj.hitTestPoint(stage.mouseX, stage.mouseY)) {				
	internal_container.dispatchEvent(new MouseEvent(MouseEvent.ROLL_OUT));
}