function SearchForm() {
      $searchText = isset($this->Query) ? $this->Query : '';
      $fields = new FieldSet(
       new TextField("Search", "", $searchText)
       );
      $actions = new FieldSet(
       new FormAction('results', 'find product')
       );

       return new SearchForm($this, "SearchForm", $fields, $actions);
   }
   
   /**
    * Process and render search results
    */
   function results($data, $form){
   
      if($form->getSearchQuery() == NULL) {
         $data = array(
            'Results' => '',
            'Query' => '',
            'Title' => 'Your results'
         );         
      } else {
   
         $data = array(
            'Results' => $form->getResults(),
            'Query' => $form->getSearchQuery(),
            'Title' => 'Your results'
         );
      }

       return $this->customise($data)->renderWith(array('Results_Page', 'Page'));
   }