Can you provide a link to your .fla in a no higher format than CS3?
Since you don't have enough posts to attach it here, you can upload your .fla, to a file sharing site as
www.rapidshare.com, or to some web space of your's, and then provide here the link to download it from. But since you can't really post links either, omit the
http://www part when posting it...
If you can't back save to a CS3 format, upload an outputed .swf and I'll attempt to decompile it in a CS3 format .fla.