[ChuwY]

 mc.addEventListener(Event.ENTER_FRAME, enterFrameHandler);
function enterFrameHandler(event : Event):void{
  var targetmc : MovieClip = event.currentTarget as MovieClip;
  if(targetmc.currentFrame == targetmc.totalFrames){
    callback();
  }
}
 
function callback():void{
  trace("bingo!");
}