<table>
<tr><td width="25%" align="top"></td>
<td width="50%"  align="top"></td>
<td width="25%"  align="top"></td>
</tr>
</table>

<style type='text/css'>
.cols{overflow:hidden;_zoom:1;}
.cols .col1,.cols .col2,.cols .col3{margin-bottom:-10000px;padding-bottom:10000px;}
.cols .col1{width:25%;float:left;}
.cols .col2{width:50%;float:left;}
.cols .col3{width:25%;float:left;}
</style>
<div class='cols'>
<div class='col1'>
</div>
<div class='col2'>
</div>
<div class='col3'>
</div>
</div>