Subversion-Projekte lars-tiefland.cienc

// JavaScript Document

// Verwendung: number_format ('200873,48', 2, '.', '´')
    function number_format (number, decimals, dec_point, thousands_sep)
    {
      var exponent = "";
      var numberstr = number.toString ();
      var eindex = numberstr.indexOf ("e");
      if (eindex > -1)
      {
        exponent = numberstr.substring (eindex);
        number = parseFloat (numberstr.substring (0, eindex));
      }
      
      if (decimals != null)
      {
        var temp = Math.pow (10, decimals);
        number = Math.round (number * temp) / temp;
      }
      var sign = number < 0 ? "-" : "";
      var integer = (number > 0 ? 
          Math.floor (number) : Math.abs (Math.ceil (number))).toString ();
      
      var fractional = number.toString ().substring (integer.length + sign.length);
      dec_point = dec_point != null ? dec_point : ".";
      fractional = decimals != null && decimals > 0 || fractional.length > 1 ? 
                   (dec_point + fractional.substring (1)) : "";
      if (decimals != null && decimals > 0)
      {
        for (i = fractional.length - 1, z = decimals; i < z; ++i)
          fractional += "0";
      }
      
      thousands_sep = (thousands_sep != dec_point || fractional.length == 0) ? 
                      thousands_sep : null;
      if (thousands_sep != null && thousands_sep != "")
      {
        for (i = integer.length - 3; i > 0; i -= 3)
          integer = integer.substring (0 , i) + thousands_sep + integer.substring (i);
      }
      
      return sign + integer + fractional + exponent;
    }