$(function() {
                // validate contact form on keyup and submit
$("#identification_espace_doc").validate({
                    //set the rules for the field names
                    rules: {
                        email:       {required: true,email: true},
                        pass:       {required: true}
                    },

                    //set messages to appear inline
                    messages: {
                        email:      "Login non conforme",
                        pass:      "Mot de passe requis"
                    }                

                });
            });