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  • what i want is a simple comparison when the user do a new registry. Commented Mar 15, 2011 at 19:45
  • @Fel: What is a "new registry"? How do you know that your required solution is "simple" when you don't know what it is? Please read up on sessions as advised above, and decide whether you need that in your code. Also, please see my edit. Commented Mar 15, 2011 at 19:50