I don't have time to code it, but I can help you by saying something like:
DO NOT USE THIS CODE IN YOUR FILES - IT IS AN EXAMPLE
In newreply.php:
Code:
if ($thread[forumid]=="x") {
$DB_site->query("UPDATE user SET replyforum=replyforum+1, threadid='$thread[threadid]' WHERE userid='$bbuserinfo[userid]' AND forumid='$thread[forumid]'");
}
Something
like that would work
Satan