$(document).ready(function(){
         // validate form rules and error messages
         $("#propose").validate({
             rules: {
                 zpurl: {
                     required: true,
                     url: true
                 },
                 zptitle: {
                     required: true
                 },
                 zpname: {
                     required: true
                 },
                 zpemail: {
                     required: true,
                     email: true
                 }
             },
             messages: {
                 zpurl: "N&atilde;o te esque&ccedil;as do endereço da página",
                 zpemail: "N&atilde;o te esque&ccedil;as do endere&ccedil;o email",
                 zptitle: "N&atilde;o te esque&ccedil;as do t&iacute;tulo da p&aacute;gina",
                 zpname: "N&atilde;o te esque&ccedil;as do teu nome"
             }
           });
});