Dave, and anybody else who wants to play.
I have always been puzzled by the question of how one distinguishes an object in object programming from a utility in DOS or a tool in Matlab. Or any mathematical function, for that matter. You give it what it needs, and it gives you what it's supposed to, and you don't give a damn how it works. Please don't yell at me. Nick Nicholas S. Thompson Emeritus Professor of Psychology and Biology Clark University http://home.earthlink.net/~nickthompson/naturaldesigns/
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