$(document).ready(function() {

$("#contact_form").validate({
    rules: {
        txtFirstName: {
            required: true
        },
        txtSurname: {
            required: true
        },
        txtEmail: {
            required: true
        },
        txtPhone: {
            required: true
        },
        txtComments: {
            required: true
        }
    },
    messages: {
        txtFirstName: "",
        txtSurname: "",
        txtEmail: "",
        txtPhone: "",
        txtComments: ""
    }
});


});