[Javascript] 금액을 한글로 변환하기

function viewKorean(num) {	
    var hanA = new Array("","일","이","삼","사","오","육","칠","팔","구","십");
    var danA = new Array("","십","백","천","","십","백","천","","십","백","천","","십","백","천");
    var result = "";
	for(i=0; i<num.length; i++) {		
		str = "";
		han = hanA[num.charAt(num.length-(i+1))];
		if(han != "")
			str += han+danA[i];
		if(i == 4) str += "만";
		if(i == 8) str += "억";
		if(i == 12) str += "조";
		result = str + result;
	}
	if(num != 0)
		result = result + "원";
    return result ;
}

ex) 111302000 -> 일억일천일백삼십만이천원

잘 나옵니다.