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    You answer your own questions pretty fast! Commented Jul 9, 2010 at 23:28
  • @John: Glad to be of any help :) Commented Jan 21, 2011 at 1:00
  • You should really look at Edwin's code. It's not very secure to use the above in case there's one or more bugs in it... Commented May 27, 2021 at 16:53