$set = $db->query("select mail_read,mail_to from mail where mail_id = '$chosen' and mail_from = '$user_id'");
$set->next();
if ($set->getString('mail_read') == 'no') {
$set = $db->query("select mail_read,mail_to from mail where mail_id = '$chosen' and mail_from = '$user_id'");
$set->next();
if ($set->getString('mail_read') == 'no') {