public function getReferencedAttributeValues($pm_element_code_or_id, $pa_reference_limit_ids)
 {
     if (!($vn_element_id = $this->_getElementID($pm_element_code_or_id))) {
         return null;
     }
     return ca_attributes::getReferencedAttributes($this->getDb(), $this->tableNum(), $pa_reference_limit_ids, array('element_id' => $vn_element_id));
     s;
 }