Thanks for that Marco

I don't think I'll ever get my mind wrapped around mysql.... lol
How would I add the same clause to this???
PHP Code:
$DB_site->query("SELECT userid, lastactivity, options, username, user.usergroupid, displaygroupid,
groupa.opentag as opentaga, groupa.closetag as closetaga, groupb.opentag as opentagb, groupb.closetag as closetagb
FROM " . TABLE_PREFIX . "user as user
LEFT JOIN " . TABLE_PREFIX . "usergroup as groupa ON(user.usergroupid = groupa.usergroupid)
LEFT JOIN " . TABLE_PREFIX . "usergroup as groupb ON(user.displaygroupid = groupb.usergroupid)
WHERE lastactivity > " .$cutoff. " ORDER BY username" );
Anyone???