Christian,

You are a genius! There was one minor bug; the variable "in" needed to be changed to something like "in_value" and it works perfectly.

Many thanks for that.

Regards,
Peter
--
*Peter Anderson*
There is nothing more difficult to take in hand, more perilous to conduct, or more uncertain in its success, than to take the lead in the introduction of a new order of things—Niccolo Machiavelli, /The Prince/, ch. 6
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