<table>
<tr onmouseover="this.parentElement.rows[1].style.display='block'">
<td>11111</td>
</tr>
<tr style="display:none">
<td><a href="myUrl.jsp">233333</a></td>
</tr>
</table>
<tr onmouseover="this.parentElement.rows[1].style.display='block'">
<td>11111</td>
</tr>
<tr style="display:none">
<td><a href="myUrl.jsp">233333</a></td>
</tr>
</table>
<table>
<tr onmouseover="this.parentElement.rows[1].style.display='block'" onmouseout="this.parentElement.rows[1].style.display='none'">
<td>11111</td>
</tr>
<tr style="display:none">
<td><a href="myUrl.jsp">233333</a></td>
</tr>
</table>