James Spratt wrote on Wed, Nov 22, 2006 12:21 AM EST:
You're welcome. I invented this method by trial and error and long,
frustrating effort, then came to find out, much later, that the basic
principle of the process has been known and used for about ten thousand
years. If you want to try it and get stuck at some point, feel free to
ask me; I've already made most of the mistakes.:-) Good luck.