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    Rather than simply saying "you're doing it wrong" -- why not provide the ... solution? Commented Mar 4, 2012 at 2:37
  • @debracey: that was the plan all along. I often post an initial answer and then add more to it, in order not to work on questions that get deleted. I hate it when that happens. I also don't like posting code without testing it first. Commented Mar 4, 2012 at 2:47