$(function(){
    new FormValidator('zipcode-form', [{name: 'zipcode',display: 'Zip Code',rules: 'trim|alpha_numeric|min_length[4]|max_length[6]'}], function(errors) {
        if (errors.length > 0) {
            var form = $('form[name="zipcode-form"]');
            form.find('.form-group.error').removeClass('error');
                        // Show the errors
            $.each(errors, function(index, value) {
                var obj = $('[name=' + value.name + ']');
                obj.closest('.form-group').addClass('error');
                                alert(value.message);
                            });
        }
    });
});