I strongly agree with Gianluca, Paul. Just because I don't have a clue what you meant (yet) doesn't mean that I won't need to know that the technique exists, and can refer back to your article when that happens. 😉
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"stewsterl 80804 (10/16/2009)I guess when you stop and try to understand the solution provided you not only learn, but save yourself some headaches when you need to make any slight changes."