[Иван Старков]

for example create dynamic text field named "loading"
then next action script

1 frame
intLoading=Math.floor(getBytesLoaded()/getBytesTotal()*100);
loading="LOADING "+intLoading+"%";

2 frame:
if(Math.floor(getBytesLoaded()/getBytesTotal()*100)==100)
{
gotoAndPlay(3);
}
}else
{
gotoAndPlay(1);
}

3 frame:
your all movie