<table> <tr>
<td height="28" align="right" class="tleft">回收舊料：

</td>
<td colspan="2" class="tright">&nbsp;
<input name="choose" type="checkbox" id="choose"

onclick="showO()" value="checkbox" />
*勾選顯示隱藏的table。 </td>
</tr>
<tr>
<td colspan="3" align="right"><table width="100%"

height="26" border="0" cellpadding="0" cellspacing="0" id="jiuliao"

style="display:none">
<tr>
<td width="27%" height="28" align="right"

class="tleft">回收類型：</td>
<td width="73%" colspan="2" class="tright">&nbsp;
。。。。。。。。。。。。。。。。
</td>
</tr>
</table></td>
</tr>
</table>
<script type="text/javascript">
function showO(){
document.getElementById("jiuliao").style.display=
document.getElementById("choose").checked?"":"none";
}
</script>