Hi Jerry, Down the line a lot apparently... You may well guess where the confusing suggestions came from. Be that as it may. I can't thank you enough for clearing that up. I don't think I've ever read the true story of the conception of the 17 or the 15. The recent article in SCA had some quotes from you that helped. However, this post is probably the best to print and save. Again, thanks. Go to my web site and read all about it in a few days. Thanks again, Bill www.Billamicasr.funtigo.com