[jQuery] Problems with VALIDATE PLUGIN

I had a problem with a validation plugin in a form with some ul li fomatation
couze i´m using display: table and cia to emulate a table formation
Can anyone help me?

<div class="table">
<ul class="tr">
        <li class="td">
        <label for="razao">
Raz&atilde;o Social: </label> </li>
<li class="td">
<input name="razao" id="razao" type="text" value="da empresa"
size="50" maxlength="100" class="{required:true}" /></li>
</ul>
<br />
<ul class="tr">
<li class="td">
        <label for="respons">
Respons&aacute;vel: </label> </li>
<li class="td">
<input name="respons" id="respons" type="text" value="pelas respostas"
size="50" maxlength="80" class="{required:true}" />
</li>
</ul>
<br />
<ul class="tr">
<li class="td">
        <label for="mail">
Email: </label></li>
<li class="td">
<input name="mail" id="mail" type="text" value="de contato" size="50"
maxlength="50" class="{required:true,email:true}" /></li>
</ul>
</div>

-- 

[]´s Jean
www.suissa.info

   Ethereal Agency
www.etherealagency.com