Noel Paton wrote:

I'm glad you asked that, Mike - I was trying desperately to make out
what the OP was asking, and getting nowhere (so I just put it down
to my own stupidity)

And good also for me to read that it wasn't just lack of coffee at this
end (had three cups of tea instead) that made the OPs post quite
unintelligible for me. :-)
--
Mike