Thanks for the comments, Bob. Think the options given would enable the OP to
figure out the conditional checks required, and how to add/remove conditions
as may be required.

BTW, brought a smile to my face seeing you use cjoint :-))
Ay, it was only the other day that I shared with Roger G the steps on using
cjoint <g. But I guess savefile.com still remains my primary choice, due to
its other features (project/folder feature for instance).
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Rgds
Max
xl 97
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Singapore, GMT+8
xdemechanik
http://savefile.com/projects/236895
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