this video will teach you how to make a loading bar for all your macromedia movies
here are the actions that you will need
LOADED = Math.round(getBytesLoaded());
TOTAL = Math.round(getBytesTotal());
PERCENT = LOADED/TOTAL;
BAR._width = PERCENT*150;
TEXT = Math.round(PERCENT*100)+"%";
if (LOADED == TOTAL) {
gotoAndPlay(3);
}