$colornick = mysql_fetch_assoc(mysql_query("select `colornick` from `users` where `name`='" . $login . "';"));

$onltime = $realtime - 300;
$req_users = mysql_query("SELECT `id`, `name` FROM `users` WHERE `lastdate` >= $onltime");
$users_online = '';
while ($res_users = mysql_fetch_assoc($req_users)) {
$users_online .= (!empty($users_online) ? ', ' : ''). (!$user_id || $user_id == $res_users['id'] ? $res_users['name'] : '<a href="' . $home . '/str/anketa.php?id=' . $res_users['id']. '"><b><span style="color:#' . $colornick['colornick'] . '">' . $res_users['name']. '</span></b></a>');
}
echo '<fieldset><legend><h3>• Здесь и сейчас:</h3></legend><p>';
echo'<b><span style="color:#' . $colornick['colornick'] . '">' . (!empty($users_online) ? $users_online : '<span style="color: #AAAAAA">Нет авторизовыных пользователей!</span>'). '</span></b><br/>' . usersonline() . '</p></fieldset>';