It's a FF2/Mac opacity bug. This will solve it:
($.browser.mozilla && parseFloat($.browser.version) < 1.9 && navigator.appVersion.indexOf('Mac') !== -1) && $('body').css('-moz- opacity',.999); On Jul 17, 6:45 am, iain duncan <[EMAIL PROTECTED]> wrote: > Hey folks, I am getting weird flashing/opacity pumping happening on > mac firefox when I use the fadeIn or fadeOut effects. The flash is > happening on the whole page while the fades are only happening on the > elements I've attached them too. > > Anyone know what causes this and how to fix it? > > Thanks > Iain