// 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;
	}