[imp] Folder Prefix Field on login

[Chuck Hagenbuch]

Quoting Kris Sanders <kris@solanix.org>:

> I just installed IMP 3.0 and it is working great with Horde and Turba.
> One thing that I wanted to find out is if the Folder Prefix on the login 
> screen could be greyed out or not even displayed. I am not very familiar 
> with php coding yet I looked in the code and disabled the box, but 
> received and error as in there it gets set to 'mail/' and is then passed 
> as an arg. I would prefer that my users not be able to toy with that 
> field at all.

Lock the 'folders' preference in imp/config/prefs.php.

-chuck

--
Charles Hagenbuch, <chuck@horde.org>
"A dream which helps you to live your reality with dignity
 and justice is a good dream." - Tariq Ramadan