Ma dove c'è -root devo mettere _this

onClipEvent (load)
{
total = _root .getBytesTotal();
}
onClipEvent (enterFrame)
{
loaded = _root .getBytesLoaded();
percent = int(loaded / total * 100);
text = percent + "%";
gotoAndStop(percent);
if (loaded == total)
{
_root .gotoAndPlay(2);
} // end if
}