Nice modification.
I don't know about you guys but i got a SQL error when running this script i had to change
$it = $db->query("SELECT userid,
username FROM users u LEFT JOIN userstats us ON
u.userid=us.userid WHERE u.userid=".$_GET['ID']."");
to
$it = $db->query("SELECT u.userid,
u.username FROM users u LEFT JOIN userstats us ON
u.userid=us.userid WHERE u.userid=".$_GET['ID']."");