MP loop problem!

I’ve got a problem with a sound made with swift-mp3. When the sound finish the 1st time, is not looping it starts the whole site at the beginning. I don’t understand what’s wrong.
I send the fla if someone could help. I’m lost, i try everything and now i can’t see nothing.
Thank’s for your help.

I can’t upload here cause the file’s too big so here’s the link :