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function FormatNumber(Number,Decimals,Separator)
{
  // The following function will accept three arguments: a number,
  // another number indicating the desired number of decimal places,
  // and an optional character to use as a decimal separator.
  // Either numeric arguments may be in the form of a string or a number.
  // If no decimal places are entered, a default of two decimal places
  // is used. If no decimal separator is used, the default separator '.'
  // is used. The value returned from the function is always in the
  // form of a string. 
  //
  // Note: If the number passed and the decimals requested result in
  // a number too large to format with decimal notation ( e.g.: 1.02e+25 ),
  // the number passed will be returned unchanged. 

 // **********************************************************
 // Placed in the public domain by Affordable Production Tools
 // March 21, 1998
 // Web site: http://www.apt.simplenet.com
 //
 // November 24, 1998 -- Error which allowed a null value
 // to remain null fixed. Now forces value to 0.
 //
 // 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 -- Number 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(Sign == -1)
  Number = "-" + Number  // Set sign of number.
 if(Number.length == 0)
  Number="0"
  
 // new code:
 if(Number == ".00")
  Number="0.00";
 // end of new code
 
 return(Number)
}

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