function addCommas(number){
	myNumberParts = number.toString().split('.');

	myWholeNumber = myNumberParts[0];
	myLength = myWholeNumber.length;
	myNewString = "";
	while(myLength > 3){
		myNewString = ',' + myWholeNumber.substr(myLength - 3) + myNewString;
		myWholeNumber = myWholeNumber.substr(0,myLength -3);
		myLength -= 3;
	}
	myNewString = myWholeNumber + myNewString;

	if(myNumberParts.length > 1){
		return myNewString + '.' + myNumberParts[1];
	}else{
		return myNewString;
	}

}