function GetDecimalDelimiter(currencyID)
{
 
  switch (currencyID)
  {
    case 3:   
           return '#';
    case 2:   
           return ',';
    default:
           return '.';
  }
}

function GetCommaDelimiter(currencyID)
{
 
  switch (currencyID)
  { 
    case 3:          
           return '*';
    case 2:   
           return ',';
    default:
           return ',';
  }
 
}

function FormatClean(num)
{
     var sVal='';
     var nVal = num.length;
     var sChar='';
     
   try
   {
      for(c=0;c<nVal;c++)
      {
         sChar = num.charAt(c);
         nChar = sChar.charCodeAt(0);
         if ((nChar >=48) && (nChar <=57))  { sVal += num.charAt(c);   }
      }
   }
    catch (exception) { AlertError("Format Clean",exception); }
    return sVal;
}
  

function FormatNumber(num,currencyID,decimalPlaces)
{       

  var minus='';
  var comma='';
  var dec='';
  var preDecimal='';
  var postDecimal='';
  
  try 
  {
   
    decimalPlaces = parseInt(decimalPlaces);
    comma = GetCommaDelimiter(currencyID);
    dec = GetDecimalDelimiter(currencyID);
    
    if (decimalPlaces < 1) { dec = ''; }
    if (num.lastIndexOf("-") == 0) { minus='-'; }
   
    preDecimal = FormatClean(num);
    
    // preDecimal doesn't contain a number at all.
    // Return formatted zero representation.
    
    if (preDecimal.length < 1)
    {
       return minus + FormatEmptyNumber(dec,decimalPlaces);
    }
    
    // preDecimal is 0 or a series of 0's.
    // Return formatted zero representation.
    
    if (parseInt(preDecimal) < 1)
    {
       return minus + FormatEmptyNumber(dec,decimalPlaces);
    }
    
    // predecimal has no numbers to the left.
    // Return formatted zero representation.
    
    if (preDecimal.length == decimalPlaces)
    {
      return minus + '0' + dec + preDecimal;
    }
    
    // predecimal has fewer characters than the
    // specified number of decimal places.
    // Return formatted leading zero representation.
    
    if (preDecimal.length < decimalPlaces)
    {
       if (decimalPlaces == 2)
       {
        return minus + FormatEmptyNumber(dec,decimalPlaces - 1) + preDecimal;
       }
       return minus + FormatEmptyNumber(dec,decimalPlaces - 2) + preDecimal;
    }
    
    // predecimal contains enough characters to
    // qualify to need decimal points rendered.
    // Parse out the pre and post decimal values
    // for future formatting.
    
    if (preDecimal.length > decimalPlaces)
    {
      postDecimal = dec + preDecimal.substring(preDecimal.length - decimalPlaces,
                                               preDecimal.length);
      preDecimal = preDecimal.substring(0,preDecimal.length - decimalPlaces);
    }

    // Place comma oriented delimiter every 3 characters
    // against the numeric represenation of the "left" side
    // of the decimal representation.  When finished, return
    // both the left side comma formatted value together with
    // the right side decimal formatted value.
    
    var regex  = new RegExp('(-?[0-9]+)([0-9]{3})');
 
    while(regex.test(preDecimal))
    {
       preDecimal = preDecimal.replace(regex, '$1' + comma + '$2');
    }
       
  }
  catch (exception) { AlertError("Format Number",exception); }
  return minus + preDecimal + postDecimal;
}

function FormatEmptyNumber(decimalDelimiter,decimalPlaces)
{
    var preDecimal = '0';
    var postDecimal = '';
 
    for(i=0;i<decimalPlaces;i++)
    {
      if (i==0) { postDecimal += decimalDelimiter; }
      postDecimal += '0';
    }
   return preDecimal + postDecimal;
}
 

function SafeDivide(over, under)
{
	var ret = new Number(0);
	if (under > 0)
	{
		ret = over / under;
	}
	return ret;
}