flash movie not 100% in firefox

[monkeyboy]

Can anyone tell me why my intro plays full sceen in IE and Safari but not in Firefox?

http://www.chuffingmarvellous.com/files/intro.htm

[Xiong Chiamiov]

I was going to say that it had something to do with toolbars, but then tested in IEtab, so... I don't know.