Very strange Pre-loader problem (mind boggling)

i’ve been trying to figure this thing out for 2 days now…

i got a pre-loader code from a friend and it was working perfectly when placed at the 1st frame of the timeline followed by an image on the 3rd frame…

however, it doesnt seem to work when i tried using it on a real project that contains a motion tween; i dont even know if this is the reason for it not to work…

any explanation and help is greatly needed… and will be appreciated.

below is a link to the two files… one is titled “working” and the other “not_working”…

around 460KB
http://www.sendspace.com/file/ykqxcz

thanks in advance…:stunned: