public function actionIndex()
 {
     $ordersModel = new Orders('search');
     $ordersModel->unsetAttributes();
     // clear any default values
     if (isset($_GET['Orders'])) {
         $ordersModel->attributes = $_GET['Orders'];
     }
     $ordersModel->user_id = Yii::app()->user->id;
     $carsModel = new Cars('search');
     $carsModel->unsetAttributes();
     // clear any default values
     if (isset($_GET['Cars'])) {
         $carsModel->attributes = $_GET['Cars'];
     }
     $carsModel->ower_id = Yii::app()->user->id;
     $this->render('index', array('user' => $this->loadModel(Yii::app()->user->id), 'userid' => Yii::app()->user->id, 'orders' => $ordersModel, 'cars' => $carsModel));
 }