This is a problem that only appears in FF for Mac. And it's a browser
rendering bug that occurs whenever an element is absolutely positioned
over another element that has overflow set to auto or scroll.
Although the problem is well documented (
http://www.google.com/search?q=firefox+mac+scrollbar ), I haven't come across an elegant solution. If someone else has,
please let us all know. :)
The best that I've been able to do is change the underlying element's
overflow property to hidden when a dialog is positioned on top of it.
--Karl
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Karl Swedberg
www.englishrules.com
www.learningjquery.com