On Tue, 24 Oct 2006 20:37:41 -0700, "Tom Dacon"
wrote:

There's a really good book that describes how to do this. It's by John
Letcher and was published in the early 70's. Go to Barnes and Noble's used
and out of print books section (www.bn.com), search on John Letcher as
author, and see if you can find a copy.

http://tinyurl.com/ylgq3t

Been there, bought the book and done that. YMMV, but it didn't work
for me. Interesting book however.