function SearchForm() {
      $searchText = isset($_REQUEST['Search']) ? $_REQUEST['Search'] : 'Search';
      $fields = new FieldSet(
       new TextField('Search', '', $searchText)
       );
      $actions = new FieldSet(
       new FormAction('results', 'Search')
       );

       return new SearchForm($this, 'SearchForm', $fields, $actions);
   }
   
   function results($data, $form){
      $data = array(
         'Results' => $form->getResults(),
         'Query' => $form->getSearchQuery(),
         'Title' => 'Search Results'
      );
      
      foreach($data["Results"] as $page) {
         if($page->Filename) {
         $data["Results"]->remove($page);
         }
      }
      
      return $this->customise($data)->renderWith(array('SearchResults', 'Page'));
   }