From Bugzilla Helper: User-Agent: Mozilla/4.75 [en] (Win98; U) BuildID: 2001010420 In the page http://www.ualberta.ca/~cohlmann/, the buttons on the navigation bar don't rollover as expected. If it is the first time vistiting the page or the page is refreshed the images will disappear and get replaced by their alt tag. This bug affects all other sites with image rollovers that I have seen. Reproducible: Always Steps to Reproduce: 1. load http://www.ualberta.ca/~cohlmann/test.html (simple test case) 2. move the mouse over the buttons several times and watch buttons disappear 3. refresh and repeat step 2 if buttons do not dissapear Actual Results: The rollover images are replaced by their Alt Tags... Expected Results: The rollover images should be displayed OnMouseOver and should be returned to the original image OnMouseOut. The page http://www.ualberta.ca/~cohlmann/test.html was prepared as a simple test case for this bug. It can be used to reproduce the bug.

I think it's duplicate of bug 20110.

Seems like it to me. *** This bug has been marked as a duplicate of 20110 ***