function route()
 {
     $action = TouAppHelper::get_param('action');
     if ($action == 'process-form') {
         return $this->process_form();
     } else {
         return $this->display_form();
     }
 }
 function route()
 {
     $action = TouAppHelper::get_param('tou_page');
     if ($action == 'tou') {
         return $this->welcome_message();
     } else {
         return $this->get_terms(array('admin' => true, 'echo' => true));
     }
 }