$(function() {
    /* Jquery Form Validation */
    $("#contact_form").validate({
        rules: {
            email: {
                required: true,
                email: true
            },    
            name: "required",
            telephone: "required",
            comments: "required"
        },
        messages: {
            email: " Required",
            name: " Required",
            telephone: " Required",
            comments: " Required"
        }
    });
});