David,
This sounds very promising.

But:
How would I implement the variable substitution?

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The cost will be: <<TRANSFORM(lnCost)>>
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>Bill,
>
>>Yea, too much work.
>>I finally decided just to do an OKL to toggle it on and off.
>
>Why not just take an easy way out, put your javascript code into a .js file. Your gen code could then just textmerge out a filetostr("x.js"). You could even use a Java aware editor to edit the script code.