You're very welcome Ray. I'm glad it was helpful to you, as it was to me. -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Ray Sent: Saturday, November 08, 2008 09:40 To: [email protected] Subject: Re: [DONEGALEIRE] DNA Loretta thank you for sharing this great explanation with all of us. I expect that many others will have learned a lot from it, as I have done. And thanks to Ed for asking the question which prompted this reply. Regards to all. ray in oz.