1 кадр.
total = this.getBytesTotal();
loaded = this.getBytesLoaded();
bar._width = Math.round((loaded / total) * 100);
label = "loading... " + Math.round((loaded / total) * 100) + "%" + " : " + total + " / " + loaded;
3 кадр.
if(loaded < total) gotoAndPlay(2);
else label = "loading complete";
5 кадр.
nextScene();
всё по-простому, по рабоче-крестьянски
