protected function l($string, $class = 'AdminTab', $addslashes = FALSE, $htmlentities = TRUE)
 {
     if ($this->_adminCatalogInstance) {
         return $this->_adminCatalogInstance->exf_l($string, "AdminProducts", $addslashes, $htmlentities);
     }
     return parent::l($string, $class, $addslashes, $htmlentities);
 }