I'm too lazy to explain the working properly of the pre-loader, but If you wanna put the movie to a stop just put in an actionscript action called "stop" in tghe movie control section!
And this is for all u Newbees: TAKE SOME TIME FOR YOURSELF DOWNLOAD A FEW TUTORIALS AND GO EXPIRIMENT!!! THAT WAY WE EXPIRIENCED FLASH ARTISTS DON'T HAVE TO AWNSER YOUR DUMBASS QUESTIONS AND YOU'LL LEARN ALL BY YOURSELF, SO THAT YOU HAVE USEFULL QESTIONS NEXT TIME YOU POST A MESSAGE HERE!!!