[Admin]

In adminfunctions.php replace

PHP Code:

  $result=$DB_site->query("SELECT title,forumid FROM forum WHERE forumid<>-1 ORDER BY title");
  while ($currow=$DB_site->fetch_array($result)) {

    if ($selvalue==$currow[$tableid]) {
      echo "<option value=\"$currow[forumid]\" SELECTED>$currow[title]</option>\n";
    } else {
      echo "<option value=\"$currow[forumid]\">$currow[title]</option>\n";
    }
  } // for 


with

PHP Code:

  $result=$DB_site->query("SELECT title,forumid,parentid FROM forum WHERE forumid<>-1 ORDER BY title");
  while ($currow=$DB_site->fetch_array($result)) {

    if ($selvalue==$currow[$tableid]) {
      if ($currow[parentid] == "-1") {
        echo "<option value=\"$currow[forumid]\" SELECTED>$currow[title]</option>\n";
      } else {
        echo "<option value=\"$currow[forumid]\" SELECTED>- $currow[title]</option>\n";
      }
    } else {
      if ($currow[parentid] == "-1") {
        echo "<option value=\"$currow[forumid]\">$currow[title]</option>\n";
      } else {
        echo "<option value=\"$currow[forumid]\">- $currow[title]</option>\n";
      }
    }
  } // for 


Currently it's just for one level forums, more than that will take a lot more hacking.