public function actionProduct()
 {
     $search = $_GET['search'];
     $type_id = $_GET['type'];
     $product = new Product();
     if ($type_id != "") {
         $w1 = " type_id = '{$type_id}' ";
     } else {
         $w1 = " 1=1 ";
     }
     if ($search != "") {
         $w3 = " AND product_name LIKE '%{$search}%' ";
     } else {
         $w3 = " AND 1=1 ";
     }
     $data['product'] = $product->_get_search_product($w1, $w3);
     $this->render('//search/product', $data);
 }