$res_dop = $this->dbObj->sqlGet
("select count(etchat_user_id) FROM {
$this->_prefix}etchat_user where etchat_username = '
".htmlentities($_POST['user'], ENT_QUOTES, "UTF-8")."' and etchat_userprivilegien <> 'gast' and etchat_user_id<>".(int)$_POST['id']);