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  • At first look the same thing that I wrote. But it work - thanks. Could you explain me more details please. Commented Dec 22, 2011 at 12:13
  • @Oleg I already added a few lines trying to explain that - is it still unclear? Commented Dec 22, 2011 at 12:15
  • @Oleg expanded with a lot more detail Commented Dec 22, 2011 at 12:21