function addCommas(nStr)
{
nStr = ' '; x = nStr.split('.');
x1 = x[0]
x2 = x.length > 1 ? ';
var rgx = /(d )(d{3})/;
while (rgx.test(x1)) {
x1 = x1.replace(rgx, '$1' ',' '$2' );
return x1 x2;}
//숫자 형식은
var num = 123456.4231; num = num.toFixed(2 );
num =addCommas(num);
// num = 123456.42