Help with the validation plugin!

Help with the validation plugin!

Hi, first of all i'm new at javascript and even newer at jquery, so sorry if i'm talking noobism

I've downloaded a jquery plugin called validation (found at http://bassistance.de/jquery-plugins/jq ... alidation/ ) to do teh validation in a register form, it works fine at IE8, Firefox, Chrome, Opera BUT at IE7 only it doesn't work...
I tried many things but it still doesn't work
these are the pages:
- http://www.economiaeenergia.com.br/cadastradocad.php
- http://www.economiaeenergia.com.br/assinantecad.php
(they are both in portuguese-br)
and this is my code for the assinantecad.php:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Economia e Energia</title>
<link rel="stylesheet" type="text/css" href="style.css"/>
<link rel="stylesheet" type="text/css" href="form.css" />

<script src="jquery-1.3.2.js" type="text/javascript"></script>
<script src="jquery.js" type="text/javascript"></script>
<script src="jquery.validate.js" type="text/javascript"></script>
<script src="jquery.maskedinput-1.2.2.js" type="text/javascript"></script>
<script src="cmxforms.js" type="text/javascript"></script>
<script type="text/javascript">
$.validator.setDefaults({
submitHandler: function() { window.location.href = "incluir.php"; }
});

$().ready(function() {

// validate signup form on keyup and submit
$("#formcadastro").validate({
rules: {
nome: "required",
sobrenome: "required",
login: {
required: true,
minlength: 5
},
senha: {
required: true,
minlength: 5
},
csenha: {
required: true,
minlength: 5,
equalTo: "#senha"
},
email: {
required: true,
email: true
},
cpf: {
required: true,
minlength:10
},
rg: "required",
cidade: {
required:true,
minlength:4
}
},
messages: {
nome: "<p style='color:#F00'>Por favor digite o seu nome</p>",
sobrenome: "<p style='color:#F00'>Por favor digite o seu sobrenome</p>",
login: {
required: "<p style='color:#F00'>Por favor digite seu login</p>",
minlength: "<p style='color:#F00'>Seu login deve ter no minimo cinco caracteres</p>"
},
senha: {
required: "<p style='color:#F00'>Por favor digite uma senha</p>",
minlength: "<p style='color:#F00'>Sua senha deve ter no minimo cinco caracteres</p>"
},
csenha: {
required: "<p style='color:#F00'>Por favor re-digite sua senha</p>",
minlength: "<p style='color:#F00'>Sua senha deve ter no minimo cinco caracteres</p>",
equalTo: "<p style='color:#F00'>Por favor verifique se esta inserida a mesma senha que no campo acima.</p>"
},
email: "<p style='color:#F00'>Por favor insira um e-mail valido</p>",
cpf: {
required: "<p style='color:#F00'>Por favor insira seu CPF</p>",
minlength: "<p style='color:#F00'>CPF inv&aacute;lido</p>"
},
rg: "<p style='color:#F00'>Por Favor insira seu RG</p>",
cidade: {
required: "<p style='color:#F00'> Por favor insira sua cidade</p>",
minlength: "<p style='color:#F00'>Por favor insira o nome de sua cidade com mais de quatro caracteres</p>"
}
}
});


//code to hide topic selection, disable for demo
var newsletter = $("#newsletter");
// newsletter topics are optional, hide at first
var inital = newsletter.is(":checked");
var topics = $("#newsletter_topics")[inital ? "removeClass" : "addClass"]("gray");
var topicInputs = topics.find("input").attr("disabled", !inital);
// show when newsletter is checked
newsletter.click(function() {
topics[this.checked ? "removeClass" : "addClass"]("gray");
topicInputs.attr("disabled", !this.checked);
});
});
</script>
<script type="text/javascript">
jQuery(function($){
$("#telefone").mask("9999-9999",{placeholder:" "}); //Aqui montamos a máscara que queremos
$("#cep").mask("99999-999",{placeholder:" "});
$("#cpf").mask("999.999.999-99",{placeholder:" "});
$("#cpfcnpj").mask("99.999.999/9999-99",{placeholder:" "});
$("#nascimento").mask("99/99/9999",{placeholder:" "});
});
</script>
</head>

<body>
<div id="tudo" align="center">
<?php include "topo.php" ?>
<div id="conteudo"><div id="enchespaco"></div>
<div id="cadastropg">
<form id='formcadastro' name='formcadastro' method='post' action='' ><h1>Cadastro de novo usu&aacute;rio</h1><p>Os campos indicados com um * s&atilde;o obrigat&oacute;rios</p>
<fieldset class='tituloh4'><h4>Dados Pessoais</h4></fieldset>
<fieldset class='cadastron'><label for='Nome'>Nome:*</label> </fieldset>
<fieldset class='cadastroi'><input name='nome' id='nome'type='text' size='20' maxlength='15' /></fieldset>
<fieldset class='cadastron'><label for='Sobrenome'>Sobrenome:*</label></fieldset>
<fieldset class='cadastroi'><input name='sobrenome' id='sobrenome' type='text' size='20' maxlength='30' /></fieldset>
<fieldset class='cadastron'><label for='sexo'>Sexo:</label></fieldset>
<fieldset class='cadastroi'><select name='sexoopt'>
<option value='M'>Masculino</option>
<option value='F'>Feminino</option>
</select></fieldset>
<fieldset class='cadastron'><label for'datanasc'>Data de Nasc.:</label></fieldset>
<fieldset class='cadastroi'><input type='text' name='nascimento' id='nascimento' alt='data' maxlength='10' size='10'/></fieldset>
<fieldset class='cadastron'><label for='rg'>R.G.:*(Somente n&uacute;meros)</label></fieldset>
<fieldset class='cadastroi'><input type='text' size='14' name='rg' id='rg' /></fieldset>

<fieldset class='cadastron'><label for='cpf' alt='cpf'>CPF:*(Somente n&uacute;meros)</label></fieldset>
<fieldset class='cadastroi'><input type='text' size='14' name='cpf' id='cpf' /> </fieldset>
<fieldset class='cadastron'><label for='cargo'>Cargo:</label></fieldset>
<fieldset class='cadastroi'><input type='text' maxlength='20' size='15' name='cargo' /><label for='empresa'>Empresa:</label>
<input type='text' maxlength='30' size='15' name='empresa'/></fieldset>

<fieldset class='tituloh4'><h4>Dados para contato</h4></fieldset>
<fieldset class='cadastron'><label for='endereco'>Endere&ccedil;o:</label></fieldset>
<fieldset class='cadastroi'><input type='text' name='endereco' size='20' maxlength='100' /><label for'numero'>N&ordm;:</label><input type='text' size='5' maxlength='5' name='numero'/><label for='complemento'>Compl.:</label><input type='text' maxlength='5' size='5' name='complemento'/></fieldset>

<fieldset class='cadastron'><label for='bairro'>Bairro:</label></fieldset>
<fieldset class='cadastroi'><input type='text' maxlength='15' size='15' name='bairro' />
<label for='cep'>CEP:</label><input type='text' maxlength='9' size='9' name='cep' id='cep' /></fieldset>

<fieldset class='cadastron'><label for='estado'>Estado:*</label></fieldset>
<fieldset class='cadastroi'>
<select name='listauf' id='listauf'>
<option value='Acre'>AC</option>
<option value='Alagoas'>AL</option>
<option value='Amapa'>AP</option>
<option value='Amazonas'>AM</option>
<option value='Bahia'>BA</option>
<option value='Ceara'>CE</option>
<option value='Espirito Santo'>ES</option>
<option value='Goias'>GO</option>
<option value='Maranhao'>MA</option>
<option value='Mato Grosso'>MT</option>
<option value='Mato Grosso do Sul'>MS</option>
<option value='Minas Gerais'>MG</option>
<option value='Para'>PA</option>
<option value='Paraiba'>PB</option>
<option value='Parana'>PR</option>
<option value='Pernambuco'>PE</option>
<option value='Piaui'>PI</option>
<option selected='selected' value='Rio de Janeiro'>RJ</option>
<option value='Rio Grande do Norte'>RN</option>
<option value='Rio Grande do Sul'>RS</option>
<option value='Rondonia'>RO</option>
<option value='Roraima'>RR</option>
<option value='Santa Catarina'>SC</option>
<option value='Sao Paulo'>SP</option>
<option value='Sergipe'>SE</option>
<option value='Tocantins'>TO</option>
<option value='Distrito Federal'>DF</option>
</select>
<label for='cidade'>Cidade:*</label><input type='text' maxlength='20' size='10' name='cidade' id='cidade' /></fieldset>

<fieldset class='cadastron'><label for='ddd'>DDD:*</label></fieldset>
<fieldset class='cadastroi'><input type='text' size='4' maxlength='2' name='ddd' id='ddd'/>
<label for='telefone'>Telefone:*</label><input type='text' size='9' maxlength='9' name='telefone' id='telefone' /></fieldset>

<fieldset class='cadastron'><label for='ddd2'>DDD:</label></fieldset>
<fieldset class='cadastroi'><input type='text' size='4' maxlength='2' name='ddd2' />
<label for='celular'>Celular:</label><input type='text' size='9' maxlength='9' name='celular' /></fieldset>

<fieldset class='cadastron'><label for='email'>E-mail:*</label></fieldset>
<fieldset class='cadastroi'><input type='text' size='40' maxlength='40' name='email' id='email'/></fieldset>

<fieldset class='tituloh4'><h4>Dados para acesso</h4></fieldset>
<fieldset class='cadastron'><label for='login'>Login:*</label></fieldset>
<fieldset class='cadastroi'><input name='login' id='login' type='text' size='20' maxlength='10' /></fieldset>
<fieldset class='cadastron'><label for='senha'>Senha:*</label></fieldset>
<fieldset class='cadastroi'><input name='senha' id='senha' type='password' size='20' maxlength='8' /></fieldset>
<fieldset class='cadastron'> <label for='csenha'>Confirme sua senha:*</label></fieldset>
<fieldset class='cadastroi'><input name='csenha' id='csenha' type='password' size='20' maxlength='8' />
</fieldset><p>&nbsp;</p>
<fieldset class='cadastrobutton'>
<input type='submit' id='confirmar' value='Confirmar'/><input type='reset' id='limpar' value='Limpar' />
</fieldset>
</form><p>&nbsp;</p>
</div><br class="clearfloat" /></div>

<?php include "foot.php" ?></div></body>
</html>

-------
This is the code for the cadastradocad.php:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Economia e Energia</title>
<link rel="stylesheet" type="text/css" href="style.css"/>
<link rel="stylesheet" type="text/css" href="form.css" />

<script src="jquery-1.3.2.js" type="text/javascript"></script>
<script src="jquery.js" type="text/javascript"></script>
<script src="jquery.validate.js" type="text/javascript"></script>
<script src="jquery.maskedinput-1.2.2.js" type="text/javascript"></script>
<script src="cmxforms.js" type="text/javascript"></script>
<script type="text/javascript">
$.validator.setDefaults({
submitHandler: function() { window.location.href = "incluir.php"; }
});

$().ready(function() {

// validate signup form on keyup and submit
$("#formcadastro").validate({
rules: {
nome: "required",
sobrenome: "required",
login: {
required: true,
minlength: 5
},
senha: {
required: true,
minlength: 5
},
csenha: {
required: true,
minlength: 5,
equalTo: "#senha"
},
email: {
required: true,
email: true
}
},
messages: {
nome: "<p style='color:#F00'>Por favor digite o seu nome</p>",
sobrenome: "<p style='color:#F00'>Por favor digite o seu sobrenome</p>",
login: {
required: "<p style='color:#F00'>Por favor digite seu login</p>",
minlength: "<p style='color:#F00'>Seu login deve ter no minimo cinco caracteres</p>"
},
senha: {
required: "<p style='color:#F00'>Por favor digite uma senha</p>",
minlength: "<p style='color:#F00'>Sua senha deve ter no minimo cinco caracteres</p>"
},
csenha: {
required: "<p style='color:#F00'>Por favor re-digite sua senha</p>",
minlength: "<p style='color:#F00'>Sua senha deve ter no minimo cinco caracteres</p>",
equalTo: "<p style='color:#F00'>Por favor verifique se esta inserida a mesma senha que no campo acima.</p>"
},
email: "<p style='color:#F00'>Por favor insira um e-mail valido</p>"
}
});


//code to hide topic selection, disable for demo
var newsletter = $("#newsletter");
// newsletter topics are optional, hide at first
var inital = newsletter.is(":checked");
var topics = $("#newsletter_topics")[inital ? "removeClass" : "addClass"]("gray");
var topicInputs = topics.find("input").attr("disabled", !inital);
// show when newsletter is checked
newsletter.click(function() {
topics[this.checked ? "removeClass" : "addClass"]("gray");
topicInputs.attr("disabled", !this.checked);
});
});
</script>
<script type="text/javascript">
jQuery(function($){
$("#telefone").mask("9999-9999",{placeholder:" "}); //Aqui montamos a máscara que queremos

});
</script>

</head>

<body>
<div id="tudo" align="center">
<?php include "topo.php" ?>
<div id="conteudo"><div id="enchespaco"></div>
<div id="cadastropg">
<form id='formcadastro' method='post' action='incluir.php' ><h1>Cadastro de novo usu&aacute;rio</h1><p>Os campos indicados com um * s&atilde;o obrigat&oacute;rios</p>
<fieldset class='tituloh4'><h4>Dados Pessoais</h4></fieldset>
<fieldset class='cadastron'><label for='Nome'>Nome:*</label> </fieldset>
<fieldset class='cadastroi'><input name='nome' id='nome' class="required nome" type='text' size='20' maxlength='15' /></fieldset>
<fieldset class='cadastron'><label for='Sobrenome'>Sobrenome:*</label></fieldset>
<fieldset class='cadastroi'><input name='sobrenome' id='sobrenome' class="required sobrenome" type='text' size='20' maxlength='30' /></fieldset>
<fieldset class='cadastron'><label for='cargo'>Cargo:</label></fieldset>
<fieldset class='cadastroi'><input type='text' maxlength='20' size='15' name='cargo' /><label for='empresa'>Empresa:</label>
<input type='text' maxlength='30' size='15' name='empresa'/></fieldset>

<fieldset class='tituloh4'><h4>Dados para contato</h4></fieldset>
<fieldset class='cadastron'><label for='ddd'>DDD:*</label></fieldset>
<fieldset class='cadastroi'><input type='text' size='4' maxlength='2' name='ddd'/>
<label for='telefone'>Telefone:*</label><input type='text' size='9' maxlength='9' name='telefone' id='telefone' /></fieldset>

<fieldset class='cadastron'><label for='ddd2'>DDD:</label></fieldset>
<fieldset class='cadastroi'><input type='text' size='4' maxlength='2' name='ddd2' />
<label for='celular'>Celular:</label><input type='text' size='9' maxlength='9' name='celular' /></fieldset>

<fieldset class='cadastron'><label for='email'>E-mail:*</label></fieldset>
<fieldset class='cadastroi'><input type='text' id='email' class="required email" size='40' maxlength='40' name='email'/></fieldset>
<fieldset class='tituloh4'><h4>Dados para acesso</h4></fieldset>
<fieldset class='cadastron'><label for='login'>Login:*</label></fieldset>
<fieldset class='cadastroi'><input name='login' id='login' class="required login" type='text' size='20' maxlength='10' /></fieldset>
<fieldset class='cadastron'><label for='senha'>Senha:*</label></fieldset>
<fieldset class='cadastroi'><input name='senha' id='senha' class="required senha" type='password' size='20' maxlength='8' /></fieldset>
<fieldset class='cadastron'> <label for='csenha'>Confirme sua senha:*</label></fieldset>
<fieldset class='cadastroi'><input name='csenha' id='csenha' class="required csenha" type='password' size='20' maxlength='8' />
</fieldset><p>&nbsp;</p>
<fieldset class='cadastrobutton'>
<input type='submit' id='confirmar' value='Confirmar' /><input type='reset' id='limpar' value='Limpar' />
</fieldset>
</form><p>&nbsp;</p>
</div><br class="clearfloat" /></div>

<?php include "foot.php" ?></div></body>
</html>

------

as I said earlier i'm new at this and i can't see any errors, anyone can?

thanks