Many thanks for the response!
You are welcome!
I am willing to implement this, but not before the first week of January - I will not be (99%) available starting tomorrow evening.
It's no rush, so whenever you find time that's fine. I'm going to have look at the files you suggested and try to understand the code.
ok, good luck :)
I still have some presents to buy, you know - lazy evaluation.
Merry Christmas too!