Thanks. It worked perfectly. On Oct 3, 10:09 pm, "Joel Birch" <[EMAIL PROTECTED]> wrote: > Hi Greg, > > It is 99.9% certain that it is what Karl said. Here is what has become > my set spiel on the subject: > > MacFirefoxhas two text rendering anti-aliasing modes, one of which > makes the text look much lighter or less bold in weight. The usual > mode is used when everything on the page has an opacity of 1, or fully > opaque. The moment anything drops to 0.9999 opacity, as it does on > fadeOut (although this is not a jQuery issue - it's any form of > opacity) all the text on the page shifts to the lighter text rendering > mode. The reverse also occurs on fadeIn and also between .0001 and 0, > that is, just as something becomes completely transparent. It's > annoying and the only two workarounds are (1) to set opacity: .999 on > the body element which forces all the text on the page to use the > light rendering mode 100% of the time and never switch to the bolder > mode. This sometimes looks quite good when the design has dark text on > a light background. It wouldn't do for light text on dark though, as > the text just becomes far too thin and begins to lose readability. The > other (2) workaround is to avoid using opacity in the animation > completely and using a simple slideDown instead. > > Joel Birch.