Thanks Slim for all the good advice. Sorry it has taken so long but with holiday, retrieving my son from school and work I'm still out of breath. I've only had one short trip to the Shooters forum but plan to get back soon. Thanks again for the heads up.

Art
In life you will find that constants aren't and variables won't.
Life is like a sewer, what you get out of it depends on what you put into it.