No reply from initial reporter since 2005. And the simple theme is not available anymore in Edgy . So I'll now close this bug report.
** Changed in: firefox (Ubuntu) Status: Needs Info => Rejected -- When using "simple" gnome scheme, selected main menu items become white boxes https://launchpad.net/bugs/17643 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs