[DeadMorozz]

this.createEmptyMovieClip("tester_mc", 1);
tester_mc.loadMovie("img/p1.jpg");
function checkLoaded(target_mc:MovieClip) {
  var pctLoaded:Number = target_mc.getBytesLoaded()/target_mc.getBytesTotal()*100;
  if (!isNaN(pctLoaded) && (pctLoaded>0)) {
	trace("tester_mc = "+tester_mc._width+"x"+tester_mc._height);
    clearInterval(myInterval);
  }
}
var myInterval:Number = setInterval(checkLoaded, 100, tester_mc);