Cross-browser <Marquee>
From Bclary is xbMarquee, a cross-browser implementation of IE’s proprietary <marquee> tag. To see it in action, there’re a couple examples there, and Blary’s xbMarquees can even scroll vertically as well.
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Guess what, they’re actually going to be checking this (or something similar) into the mozilla tree and turning it on by default! Bleech. One step forward, two steps back.
http://bugzilla.mozilla.org/show_bug.cgi?id=156979