WRForm = Class.create();
WRForm = Object.extend(Form, {
  serialize: function(form) {
    var elements = Form.getElements($(form));
    var queryComponents = new Array();

    for (var i = 0; i < elements.length; i++) {
      if (elements[i].type != 'submit' && elements[i].type != 'file') {
      var queryComponent = Form.Element.serialize(elements[i]);
      if (queryComponent)
        queryComponents.push(queryComponent);
      }
      
    }

    return queryComponents.join('&');
  }
}
);