Otra validacion q no sale.

[jpalbox]

<option value="25">25</option>
<option value="26">26</option>
<option value="27">27</option>
<option value="28">28</option>
<option value="29">29</option>
<option value="30">30</option>
<option value="31">31</option>
</select><select name="mesi" size="1">
<option selected="Mes">Mes</option>
<option value="01">01</option>
<option value="02">02</option>
<option value="03">03</option>
<option value="04">04</option>
<option value="05">05</option>
<option value="06">06</option>
<option value="07">07</option>
<option value="08">08</option>
<option value="09">09</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
</select><select name="anoi" size="1">
<option selected>Año</option>
<option value="98">1998</option>
<option value="99">1999</option>
<option value="00">2000</option>
</select></font></td>
<td height="40" width="125"><div align="right"><p><font face="Verdana" size="1">Nombre
Usuario: </font></td>
<td height="40" width="131"><font face="Verdana" size="1"><input type="text"
name="usuario" size="10" maxlength="10" tabindex="2"></font></td>
<td height="40" width="83"><div align="right"><p><font face="Verdana" size="1">Contraseña:
</font></td>
<td height="40" width="122"><font face="Verdana" size="1"><input type="password"
name="password" size="10" maxlength="10" tabindex="3"></font></td>
</tr>
</table>
</center></div><div align="center"><center><tabl e border="0" cellpadding="0" width="750">
</table>
</center></div></td>
</tr>
</table>
</center></div></div>