alguém pode me disser como eu valido estes campos para que só va para outra pg depois que a pessoa clicar no botão e os campos estiverem preenchido... casó não esteja preenchido aparesa um alert.!!! ai vai o codigo <form method="POST" action="envia.asp">
<table width="484">
<tr>
<td width="52">Nome:</td>
<td width="424"> <input type="text" size="59" maxlength="256" name="nome" style="font-size: 11 px; font-family: Tahoma; border-style: solid; border-width: 1">
</td>
</tr>
<tr>
<td width="52">Endereço:</td>
<td width="424"> <input type="text" size="59" maxlength="256" name="endereco" style="font-size: 11 px; font-family: Tahoma; border-style: solid; border-width: 1">
</td>
</tr>
<tr>
<td width="52">Cep.:</td>
<td width="424"> <input type="text" size="22" maxlength="256" name="cep" style="font-size: 11 px; font-family: Tahoma; border-style: solid; border-width: 1">
</td>
</tr>
<tr>
<td width="52">Cidade:</td>
<td width="424"> <input type="text" size="40" maxlength="256" name="cidade" style="font-size: 11 px; font-family: Tahoma; border-style: solid; border-width: 1">
</td>
</tr>
<tr>
<td width="52">Estado:</td>
<td width="424"> <select name="estado" style="font-size: 11 px; font-family: Tahoma; border-style: solid; border-width: 1">
<option value="AM">AM</option>
<option value="AP">AP</option>
<option value="AL">AL</option>
<option value="BA">BA</option>
<option value="CE">CE</option>
<option value="DF">DF</option>
<option value="ES">ES</option>
<option value="GO">GO</option>
<option value="MA">MA</option>
<option value="MT">MT</option>
<option value="MS">MS</option>
<option value="MG">MG</option>
<option value="PA">PA</option>
<option value="PB">PB</option>
<option value="PR">PR</option>
<option value="PE">PE</option>
<option value="PI">PI</option>
<option value="RJ">RJ</option>
<option value="RN">RN</option>
<option value="RO">RO</option>
<option value="RR">RR</option>
<option value="RS">RS</option>
<option value="SC">SC</option>
<option value="SP">SP</option>
<option value="SE">SE</option>
<option value="TO">TO</option>
</select> </td>
</tr>
<tr>
<td width="52">Email:</td>
<td width="424"> <input type="text" size="59" maxlength="256" name="email" style="font-size: 11 px; font-family: Tahoma; border-style: solid; border-width: 1">
</td>
</tr>
<tr>
<td width="52">DDD:</td>
<td width="424"> <input type="text" size="9" maxlength="256" name="ddd" style="font-size: 11 px; font-family: Tahoma; border-style: solid; border-width: 1">
</td>
</tr>
<tr>
<td width="52">Telefone:</td>
<td width="424"> <input type="text" size="25" maxlength="256" name="telefone" style="font-size: 11 px; font-family: Tahoma; border-style: solid; border-width: 1">
</td>
</tr>
<tr>
<td width="52">Fax:</td>
<td width="424"> <input type="text" size="25" maxlength="256" name="fax" style="font-size: 11 px; font-family: Tahoma; border-style: solid; border-width: 1">
</td>
</tr>
<tr>
<td colspan="2"><div align="center">Mensagem: </div></td>
</tr>
<tr>
<td colspan="2"><div align="center"><textarea name="mensagem" rows="15" cols="62" style="font-size: 11 px; font-family: Tahoma; border-style: solid; border-width: 1"></textarea></td>
</tr>
</table>
</dd>
<dd> </dd>
<dd>
<input type="submit" value="ENVIAR" style="font-size: 11 px; font-family: Tahoma; border-style: solid; border-width: 1">
<input type="reset" value="Limpar dados" style="font-size: 11 px; font-family: Tahoma; border-style: solid; border-width: 1">
</dd>
</dl>
</form> Bom é isso !!! Muito obrigado