表格不同颜色的循环

http://www.corange.cn/archives/2008/02/263.html
<style>
tr{ yexj00:expression(this.style.background=(rowIndex%2==1)?'orange':'yellow')}
</style>
<table width=100% style="border-collapse:collapse; table-layout:fixed" border rules=cols>
<tr>
 <td width=20%>&nbsp;</td><td>&nbsp;</td>
</tr>
<tr>
 <td width=20%>&nbsp;</td><td>&nbsp;</td>
</tr>
<tr>
 <td width=20%>&nbsp;</td><td>&nbsp;</td>
</tr>
<tr>
 <td width=20%>&nbsp;</td><td>&nbsp;</td>
</tr>
<tr>
 <td width=20%>&nbsp;</td><td>&nbsp;</td>
</tr>
<tr>
 <td width=20%>&nbsp;</td><td>&nbsp;</td>
</tr>
</table>