Mine

function loadPicture() {
	currentPhoto = random(bgUrl.length);
	loader_mc.getReady();
	
	bgHolder.loadMovie(bgUrl[currentPhoto]);
	bgHolder._visible = false;
	
	_root.onEnterFrame = function(){
		infoLoaded = bgHolder.getBytesLoaded();
		infoTotal = bgHolder.getBytesTotal();
		percentage = Math.floor(infoLoaded/infoTotal*100);
		if(!isNaN(percentage)) { loader_mc.setPercent(percentage); }
		trace(percentage);
		if(percentage >= 100 && !isNaN(percentage)){ 
			delete _root.onEnterFrame;
			loader_mc.getDone();
			//bgHolder._alpha = 0;
			bgHolder._visible = true;
			trace(bgHolder); // _level0.bgHolder
			bgHolder.onEnterFrame = function() { //Dosent seem like this works?
				trace("LOL"); // nothing?
				bgHolder._alpha += 5;
				if(bgHolder._alpha >= 100) { delete bgHolder.onEnterFrame;; }
			}
			bgHolder.onResize = stageListener.onResize();
		}
	}
}