[Samba] Trying different domain

[moof48 at temple.edu]

I have a quick question.  We currently have our main domain 
setup and use ldap.  I have another department that would 
like to use samba but I dont want them to use the same SID 
that we use and dont want to add anything else to ldap.  
They will run their own server and I wasnt to allow them to 
use our ldap info and also want them to kind of have there 
own domain features without adding more stuff to ldap.

Anyone havve a good way to go about this??