[CODE]<script language="javascript">
function showHidden(obj)
{
if(obj.style.display=='')obj.style.display='none';
else obj.style.display='';
}
</script>
<table width="197" height="101" border="1" cellpadding="0" cellspacing="0">
<tr>
<td><a href="#" onClick="showHidden(table1)">菜单一</a></td>
</tr>
<tr id="table1">
<td align="center"><table width="170" height="65" border="1" cellpadding="0" cellspacing="0">
<tr>
<td>菜单一(1)</td>
</tr>
<tr>
<td>菜单一(2)</td>
</tr>
<tr>
<td>菜单一(3)</td>
</tr>
</table></td>
</tr>
<tr>
<td><a href="#" onClick="showHidden(table2)">菜单二</a></td>
</tr>
<tr id="table2">
<td align="center"><table width="170" border="1" cellpadding="0" cellspacing="0">
<tr>
<td>菜单二(1)</td>
</tr>
<tr>
<td>菜单二(2)</td>
</tr>
<tr>
<td>菜单二(3)</td>
</tr>
</table></td>
</tr>
<tr>
<td><a href="#" onClick="showHidden(table3)">菜单三</a></td>
</tr>
<tr id="table3">
<td align="center"><table width="170" border="1" cellpadding="0" cellspacing="0">
<tr>
<td>菜单三(1)</td>
</tr>
<tr>
<td>菜单三(2)</td>
</tr>
<tr>
<td>菜单三(3)</td>
</tr>
</table></td>
</tr>
</table>
[/CODE]