>Hi Sergey
>
>(sheepish grin)
>
>You're right - I've been bitten by the comments after problem again. I excised the comments for the post for brevity.
>
>Man, you're good! even finding errors when the example's not complete! :-)
>
>Thanks again
>
>Terry

That's a definition of the detective genius < g > To look straight into the root of every problem and analyze every bit of information and complete uncompleted pciture by using deduction method.