To Format integer to Comma seperated integer

function CommaFormatted(amount)
{
    amount=amount.replace(/^0+/, ''); 
	amount += '';
	x = amount.split('.');
	x1 = x[0];
	x2 = x.length > 1 ? '.' + x[1] : '';
	var rgx = /(\d+)(\d{3})/;
	while (rgx.test(x1)) {
		x1 = x1.replace(rgx, '$1' + ',' + '$2');
	}
	return x1 + x2;
}

//To remove the comma for the variables
 function RemoveCommaFormatted(amount)
 {
  amount= amount.replace(/,/g,"");
  return amount;
 }