package {

    import flash.display.*;
    import flash.events.*;

    public class FlashDen extends Sprite {

        public function FlashDen() {

	    trace(root); // traces null
	    addEventListener(Event.ADDED_TO_STAGE, added);

        }

	private function added(event:Event):void {

	    trace(root); // traces object main timeline

	}
    }
}