Msg#: 3901214 posted 3:47 am on Apr 27, 2009 (gmt 0)
Hello David, and welcome to the forums.
This sounds like a script or code conflict. Are you by any chance running the Adblock extension on Firefox3? There was a bug in the Adblock add-on that incorrectly blocked the SWFObject 1.5 code (Google Code reference [code.google.com]). It may be the same with SWFObject 2.1