//***************************************************
//***** CODE COPYRIGHT PRACTICAL DATA, INC 2004 *****
//***** - USE WITHOUT PERMISSION IS PROHIBITED ******
//***************************************************

//*************************************************************************
//******* FORMAT A NUMBER AS CURRENCY WITH OPTIONAL COMMA FORMATTING ******
//*************************************************************************
function formatCurrency(num, includeDollarSign) {
	num = num.toString().replace(/\$|\,/g,'');
	if(isNaN(num))
	num = "0";
	sign = (num == (num = Math.abs(num)));
	num = Math.floor(num*100+0.50000000001);
	cents = num%100;
	num = Math.floor(num/100).toString();
	if(cents<10)
	cents = "0" + cents;
	for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
	num = num.substring(0,num.length-(4*i+3))+','+
	num.substring(num.length-(4*i+3));
	
	var returnValue = (((sign)?'':'-') + num + '.' + cents);
	if(includeDollarSign == true) returnValue = "$" + returnValue;	
	return returnValue;
}