public static function getInstance()
 {
     if (is_null(self::$_instance)) {
         self::$_instance = new self();
     }
     return self::$_instance;
 }
 public function indexAction()
 {
     $products_list = Core_Model_DbTable_Products::getInstance()->getAllProducts($this->_params);
     die;
     $this->_main_menu->addPage(array('params' => array('id_store' => $this->_id_store, 'id_page' => $this->_id_page), 'action' => 'index', 'controller' => 'produts', 'module' => 'stores', 'label' => substr($this->_store_row->name, 0, 100), 'active' => true));
 }