ID number_javascript 기술을 통해 생년월일과 성별을 가져오는 js 코드

< script 언어="javascript">
function showBirthday(val)
{
var birthdayValue
if(15==val.length)
{ //15자리 ID number
birthdayValue = val.charAt(6) val.charAt(7);
if(parseInt(birthdayValue)<10)
{
birthdayValue = '20' birthdayValue
}
else
{
birthdayValue = '19' birthdayValue
}
birthdayValue=birthdayValue '-' val.charAt(8) val.charAt(9) '-' val.charAt( 10) val.charAt(11);
if(parseInt(val.charAt(14)/2)*2!=val.charAt(14))
document.all.sex.value='남성' ;
else
document.all.sex.value='female';
document.all.birthday.value=birthdayValue;
if(18==val.length)
{ //18자리 아이디
birthdayValue=val.charAt(6) val.charAt(7) val.charAt(8) val.charAt(9) '-' val.charAt(10) val. charAt( 11) '-' val.charAt(12) val.charAt(13)
if(parseInt(val.charAt(16)/2)*2!=val.charAt(16))
document.all.sex.value='male';
else
document.all.sex.value='female'
if(val.charAt(17)!=IDCard(val))
{
document.all.idCard.style.BackgroundColor='#ffc8c8';
}
else
{
document.all.idCard.style.BackgroundColor='white';
}
document.all.birthday.value=birthdayValue
}
}