<script language="javascript">
<!--
function jumin()
{
if (document.regForm.jumin1.value.length != 6)
{
alert("올바른 주민등록번호를 입력해주세요.");
document.regForm.jumin1.value = "";
document.regForm.jumin_check.value = "false";
document.regForm.jumin1.focus();
}
else if (document.regForm.jumin2.value.length != 7)
{
alert("올바른 주민등록번호를 입력해주세요.");
document.regForm.jumin2.value = "";
document.regForm.jumin_check.value = "false";
document.regForm.jumin2.focus();
}
else
{
var str_jumin1 = document.regForm.jumin1.value;
var str_jumin2 = document.regForm.jumin2.value;
var digit=0
for (var i=0;i<str_jumin1.length;i++)
{
var str_dig=str_jumin1.substring(i,i+1);
if (str_dig<'0' || str_dig>'9')
{
digit=digit+1
}
}
if ((str_jumin1 == '') || ( digit != 0 ))
{
alert('잘못된 주민등록번호입니다.\n\n다시 확인하시고 입력해 주세요.');
document.regForm.jumin1.value = "";
document.regForm.jumin2.value = "";
document.regForm.jumin_check.value = "false";
document.regForm.jumin1.focus();
return false;
}
var digit1=0
for (var i=0;i<str_jumin2.length;i++)
{
var str_dig1=str_jumin2.substring(i,i+1);
if (str_dig1<'0' || str_dig1>'9')
{
digit1=digit1+1
}
}
if ((str_jumin2 == '') || ( digit1 != 0 ))
{
alert('잘못된 주민등록번호입니다.\n\n다시 확인하시고 입력해 주세요.');
document.regForm.jumin1.value = "";
document.regForm.jumin2.value = "";
document.regForm.jumin_check.value = "false";
document.regForm.jumin1.focus();
return false;
}
if (str_jumin1.substring(2,3) > 1)
{
alert('잘못된 주민등록번호입니다.\n\n다시 확인하시고 입력해 주세요.');
document.regForm.jumin1.value = "";
document.regForm.jumin2.value = "";
document.regForm.jumin_check.value = "false";
document.regForm.jumin1.focus();
return false;
}
if (str_jumin1.substring(4,5) > 3)
{
alert('잘못된 주민등록번호입니다.\n\n다시 확인하시고 입력해 주세요.');
document.regForm.jumin1.value = "";
document.regForm.jumin2.value = "";
document.regForm.jumin_check.value = "false";
document.regForm.jumin1.focus();
return false;
}
if (str_jumin2.substring(0,1) > 4 || str_jumin2.substring(0,1) == 0)
{
alert('잘못된 주민등록번호입니다.\n\n다시 확인하시고 입력해 주세요.');
document.regForm.jumin1.value = "";
document.regForm.jumin2.value = "";
document.regForm.jumin1.focus();
document.regForm.jumin_check.value = "false";
return false;
}
var a1=str_jumin1.substring(0,1)
var a2=str_jumin1.substring(1,2)
var a3=str_jumin1.substring(2,3)
var a4=str_jumin1.substring(3,4)
var a5=str_jumin1.substring(4,5)
var a6=str_jumin1.substring(5,6)
var check_digit=a1*2+a2*3+a3*4+a4*5+a5*6+a6*7
var b1=str_jumin2.substring(0,1)
var b2=str_jumin2.substring(1,2)
var b3=str_jumin2.substring(2,3)
var b4=str_jumin2.substring(3,4)
var b5=str_jumin2.substring(4,5)
var b6=str_jumin2.substring(5,6)
var b7=str_jumin2.substring(6,7)
var check_digit=check_digit+b1*8+b2*9+b3*2+b4*3+b5*4+b6*5
check_digit = check_digit%11
check_digit = 11 - check_digit
check_digit = check_digit%10
if (check_digit != b7)
{
alert('잘못된 주민등록번호입니다.\n\n다시 확인하시고 입력해 주세요.');
document.regForm.jumin1.value = "";
document.regForm.jumin2.value = "";
document.regForm.jumin_check.value = "false";
document.regForm.jumin1.focus();
return false;
}
else
{
document.regForm.jumin_check.value = "true"
alert('올바른 주민번호입니다');
}
}
}
//-->
</script>