Hi Mike, In my first post, I may have overstated the pitfalls... but all too often you only get one shot at it, and there is where disaster lurks!!...

... I'm glad you mentioned the fragile nature of their construction, it's amazing they hold up as well as they do! Sooo, no need to bow to me, I'll help you anyway or anytime you need it! ...

... Being an expert just means you can fix yours, and everyone elses screwup! Lot'sa guys like that on this forum... Keep us in the loop when you do more! Best to you Mike, til...lat'r...GT