100 frames preloader

Download file here.

In the second, third or fourth frame add this script and give a name to one of the previous frames to get a loop.

loadedBytes = _root.getBytesLoaded();
totalBytes = _root.getBytesTotal();
if (loadedBytes < totalBytes){
		    frame = int(loadedBytes/(totalBytes/100));
		    _root.loaderBar.gotoAndStop (_root.frame);
		    gotoAndPlay ("preload_loop");
}else{
		     gotoAndPlay("begin_movie");
}