Hide threads by usergroup

[Martin64]

I've been working on making the secretely banned users hack even more secret :laugh: but I'm stuck at the moment so I thought I'd ask for help.

What I'm wanting to do is to prevent all threads started by users from my secretely banned users group to show up in forumdisplay (visible to the banned users, admins and mods though). I figured out a way of doing this based on userids, but not usergroups. Here's what I did in forumdisplay.php:

if (($bbuserinfo['usergroupid']!=16 && $bbuserinfo['usergroupid']!=6 && $bbuserinfo['usergroupid']!=5 &&
$bbuserinfo['usergroupid']!=7) && ($thread[postuserid]==X or $thread[postuserid]==XX or
$thread[postuserid]==XXX)) { continue; }

Also, I did this in showthread.php, which gives an error message if members try to view a thread started by those members:

if (($bbuserinfo['usergroupid']!=16 && $bbuserinfo['usergroupid']!=6 && $bbuserinfo['usergroupid']!=5 &&
$bbuserinfo['usergroupid']!=7) && ($thread[postuserid]==X or
$thread[postuserid]==XX or $thread[postuserid]==XXX)) {
      $idname="thread";
      eval("standarderror(\"".gettemplate("error_invalidid")."\");");
    }

Once again, giving this error message based on usergroup rather than having to edit the files whenever a new member is put in the secretely banned users group would be splendid.

I hope someone can help with some tips. :classic: