=(UNIX_TIMESTAMP()-300)", $handler);
$row = mysql_fetch_assoc($rez);
echo $row['count'].chr(10);
$rez = mysql_query("SELECT count(DISTINCT ip) as count FROM uo_chat WHERE utime>=(UNIX_TIMESTAMP()-300)", $handler);
$row = mysql_fetch_assoc($rez);
echo $row['count'].chr(10);
?>