public function isBookMarked($menu_id)
{
$usersNs = new Zend_Session_Namespace("members");
$user_id = $usersNs->userId;
$model = new Security_Model_SystemMapping();
$row = $model->fetchRow("map_code='fdUserBookmark' and map_id1='{$user_id}' and map_id2='{$menu_id}'");
if (false === $row) {
return false;
} else {
return true;
}
}