Еще так пытаюсь: (более полный код)

Код:
createEmptyMovieClip("Team",1);
Team.width=300;
Team.height=170;
Team._x=699.3;
Team._y=119;
AttachMovie("mask","mask1",Team.GetNextHighestDepth(),{_x:699, _y:130});
mask1._visible=0;
Team.loadMovie("Ranking.swf");
this.onEnterFrame=function(){
var l=Team.getBytesLoaded();
var t=Team.getBytesLoaded();
if(t>0 && l==t){
Team.setMask(mask1);
delete onEnterFrame;
}
}