var fCount: int = 0;
function CalcChildsCountOf(aObject: DisplayObjectContainer): void
{
  if(aObject)
  {
   fCount++;
   for(var i:int = 0; i < aObject.numChildren; i++)
    CalcChildsCountOf(aObject.getChildAt(i) as DisplayObjectContainer);
  }
}

fCount = 0;
CalcChildsCountOf(fMyMovieClip)
trace(fCount);

public function unityInitComplete():void
   {
    somePreloaderBar.startFadeOut();
        
     
    var success:Boolean = unityContentLoader.unityContent.sendMessage("world","SetResponder",{responder:this});
    if(success){
     trace(root + " connect UNITY");
      }
    
   loadme ("wndw_as3.swf");
   }