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DATE: Dec. 10, 2013, 12:49 a.m.

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    private double getDouble(String str)
    {
       try
       {
          double d = Double.parseDouble(str);
          if(d <= 0 || d > 100) return 0;
          else return d;
       }
       catch(Exception e)
       {
          //silently catch it
       }
       return 0.0;
    }