How to get a parent folder

From: Andrew Diabo (aadiabo_at_ix.netcom.com)
Date: 07/10/04 

Date: Sat, 10 Jul 2004 00:47:50 -0400

Is there a reliable function to get a sub parent folder out of a path? For
example,
C:\Test1\Test2\Test3\Test4, I would like to get C:\Test1\Test2\Test3. It
would
be nice if there are functions to do this kind of thing for paths. I would
appreciate
any help.

Thanks
Andrew