addChild to a loader progress target

programming flash
1

I want to display a loader when the progress is happening
so i have


var la:LA = new LA();

mLoader.contentLoaderInfo.addEventListener(Event.COMPLETE, fademein);
mLoader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS, showProgress);

	function showProgress(e:Event):void {
		e.target.parent.addChild(la); // error.. i also tried e.target.addChild(la)
		
		trace("loadeing"); // traces fine
	}

I know this is something thats done all the time… i just cant figure it out