Hover via CSS

HTML

<table border=1 style="width:50%">
    <tr>
        <td> 1 </td><td> 2 </td><td> 3 </td>
    </tr>
    <tr>
        <td> A </td><td> B </td><td> C </td>
    </tr>
    <tr>
        <td> X </td><td> Y </td><td> Z </td>
    </tr>
</table>
<font size=+2 color=red></font>

CSS

tr:hover{
    background-color:yellow;
}
tr{
    background-color:white;
}

JavaScript

$(document).ready(function(){
    if($.broswer.msie){
        $("font").text("IE 不支援 CSS :hover ");
    }
});