Grails remote jQuery form validation

<script type="text/javascript"> $(function (){     $("#form").validate({         rules: {             'address.postalCode': {                 required: true             },         },         messages: {             'address.postalCode': {                 required: "Please enter a postal code."             }         }     }); }); </script> <g:form method="post" action="register" name="form">     <input type="text" name="address.postalCode" id="postalCode" />     <input type="submit" value="Proceed" /> </g:form>