Disregard... again

Hi again all,
Sorry to keep doing this to you all, but I just figured it out. My
loop checked to see if a[idx] was null before checking that idx was
still valid. It is like typing it out helps me see it from a new
perspective; I should just start emailing myself what I am thinking of
a program, and see if I can get it there first! Sorry again, and
thanks for your patience!

-- 
Have a great day,
Alex
My email is now: mehgcap@xxxxxxxxx
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