[tamarian]

No, I take that back, it should be o.k. Mods don't have a choice, but admins can do it for them.

There's still one problem with doing it in phpinclude_start

Admins and mods on busy forums frequently disable their own PM's, sicne they get bombarded by regular questions through PM by newbies who don't want to post.

If you want to allow admins and moderators to have a choice, it won't work with the phpinclude method, even if you edit their profile for them in the admin panel. Meaning they can't disable it, and even you can't disable it for them.

If you still want to allow the choice for some usergroups like admins and mods, then hidden fields should do. You're not likely to find members going through the effort to change hidden fields, even if they knew how.