function FormatNumber(Number,Decimals,Separator)
{
  // **********************************************************
  // Placed in the public domain by Affordable Production Tools
  // March 21, 1998
  // Web site: http://www.aptools.com/
  //
  // November 24, 1998 -- Error which allowed a null value
  // to remain null fixed. Now forces value to 0.
  //
  // October 28, 2001 -- Modified to provide leading 0 for fractional number
  // less than 1.
  //
  // This function accepts a number to format and number
  // specifying the number of decimal places to format to. May
  // optionally use a separator other than '.' if specified.
  //
  // If no decimals are specified, the function defaults to
  // two decimal places. If no number is passed, the function
  // defaults to 0. Decimal separator defaults to '.' .
  //
  // If the number passed is too large to format as a decimal
  // number (e.g.: 1.23e+25), or if the conversion process
  // results in such a number, the original number is returned
  // unchanged.
  // **********************************************************
  Number += ""          // Force argument to string.
  Decimals += ""        // Force argument to string.
  Separator += ""       // Force argument to string.
  if((Separator == "") || (Separator.length > 1))
    Separator = "."
  if(Number.length == 0)
    Number = "0"
  var OriginalNumber = Number  // Save for number too large.
  var Sign = 1
  var Pad = ""
  var Count = 0
  // If no number passed, force number to 0.
  if(parseFloat(Number)){
    Number = parseFloat(Number)} else {
    Number = 0}
  // If no decimals passed, default decimals to 2.
  if((parseInt(Decimals,10)) || (parseInt(Decimals,10) == 0)){
    Decimals = parseInt(Decimals,10)} else {
    Decimals = 2}
  if(Number < 0)
  {
    Sign = -1         // Remember sign of Number.
    Number *= Sign    // Force absolute value of Number.
  }
  if(Decimals < 0)
    Decimals *= -1    // Force absolute value of Decimals.
  // Next, convert number to rounded integer and force to string value.
  // (Number contains 1 extra digit used to force rounding)
    
  Number = "" + Math.floor(Number * Math.pow(10,Decimals + 1) + 5)
  if((Number.substring(1,2) == '.')||((Number + '')=='NaN'))
    return(OriginalNumber) // Number too large to format as specified.
  // If length of Number is less than number of decimals requested +1,
  // pad with zeros to requested length.
  if(Number.length < Decimals +1) // Construct pad string.
  {
    for(Count = Number.length; Count <= Decimals; Count++)
    Pad += "0"
  }
  Number = Pad + Number // Pad number as needed.
  if(Decimals == 0){
    // Drop extra digit -- Decimal portion is formatted.
    Number = Number.substring(0, Number.length -1)} else {
    // Or, format number with decimal point and drop extra decimal digit.
  Number = Number.substring(0,Number.length - Decimals -1) +
            Separator +
            Number.substring(Number.length - Decimals -1,
            Number.length -1)}
  if((Number == "") || (parseFloat(Number) < 1))
    Number="0"+Number // Force leading 0 for |Number| less than 1.
  if(Sign == -1)
    Number = "-" + Number  // Set sign of number.
  return(Number)
}