protected static function dataRemoveNode($node, $documentID)
{
// search are return if alredy exists
foreach (self::$documents[$documentID]->dataNodes as $k => $dataNode) {
if ($node->isSameNode($dataNode)) {
unset(self::$documents[$documentID]->dataNodes[$k]);
unset(self::$documents[$documentID]->data[$dataNode->dataID]);
}
}
}