/**
  * Search all models.
  */
 public function actionSearch()
 {
     $model = new Traveler('search');
     $model->unsetAttributes();
     // clear any default values
     if (isset($_GET['Traveler'])) {
         $model->attributes = $_GET['Traveler'];
     }
     $this->render('search', array('model' => $model));
 }