Give IE the :hover pseudo selector
<!--[if IE]>
<style type="text/css" media="screen">
body { behavior:url("csshover3.htc"); }
</style>
<![endif]-->
Now you can do something like this:
/* IE will properly render this */
li:hover{
background:#eee;
}
Original Source : http://www.xs4all.nl/~peterned/csshover.html