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>
<tablewidth=100%style="border-collapse:collapse;table-layout:fixed"borderrules=cols>
<tr>
<tdwidth=20%>&nbsp;</td><td>&nbsp;</td>
</tr>
<tr>
<tdwidth=20%>&nbsp;</td><td>&nbsp;</td>
</tr>
<tr>
<tdwidth=20%>&nbsp;</td><td>&nbsp;</td>
</tr>
<tr>
<tdwidth=20%>&nbsp;</td><td>&nbsp;</td>
</tr>
<tr>
<tdwidth=20%>&nbsp;</td><td>&nbsp;</td>
</tr>
<tr>
<tdwidth=20%>&nbsp;</td><td>&nbsp;</td>
</tr>
</table>