> 
> In a dictionary application, the user clicks on a word, thus 
> a variable called gLookup is populated with that word
> 
> The problem is when a definition isn't in the cast.  How do I 
> write the error checking to compensate?

Sharon,

Prior to setting the member of sprite(15) you should check to make sure
it exists. Try this instead:

on mouseUp me
  if the number of member glookup <> -1 then
    sprite(15).member = member glookup
  end if
end

<br />

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