$set=$db->query("select * from nodes where node_parent=19 and external_link='session://bookstyl' and node_creator='$user_id'");
if($set->getNumRows() == 0) {
$set=$db->query("select * from nodes where node_parent=19 and external_link='session://bookstyl' and node_creator='$user_id'");
if($set->getNumRows() == 0) {