// ÁÖ¹Î µî·Ï ¹øÈ£ Ã¼Å©
function check_ResidentNO(ssn1, ssn2)
{  

	var str_f_num = ssn1;
	var str_l_num = ssn2;

	var i3=0
	for (var i=0;i<str_f_num.length;i++)
	{
		var ch1 = str_f_num.substring(i,i+1);
		if (ch1<'0' || ch1>'9') { i3=i3+1 }
	}
	if ((str_f_num == '') || ( i3 != 0 ))
	{
		return (false);
	}

	var i4=0
	for (var i=0;i<str_l_num.length;i++)
	{
		var ch1 = str_l_num.substring(i,i+1);
		if (ch1<'0' || ch1>'9') { i4=i4+1 }
	}
	if ((str_l_num == '') || ( i4 != 0 ))
	{
		return (false);
	}
	
	if(str_f_num.substring(0,1) < 0)
	{
		return (false);
	}
	
	if(str_l_num.substring(0,1) > 2)
	{
		return (false);
	}
	
	if((str_f_num.length > 7) || (str_l_num.length > 8))
	{
		return (false);
	}
	
	if ((str_f_num == '72') || ( str_l_num == '18'))
	{
		return (false);
	}
	
	var f1=str_f_num.substring(0,1)
	var f2=str_f_num.substring(1,2)
	var f3=str_f_num.substring(2,3)
	var f4=str_f_num.substring(3,4)
	var f5=str_f_num.substring(4,5)
	var f6=str_f_num.substring(5,6)
	var hap=f1*2+f2*3+f3*4+f4*5+f5*6+f6*7
	var l1=str_l_num.substring(0,1)
	var l2=str_l_num.substring(1,2)
	var l3=str_l_num.substring(2,3)
	var l4=str_l_num.substring(3,4)
	var l5=str_l_num.substring(4,5)
	var l6=str_l_num.substring(5,6)
	var l7=str_l_num.substring(6,7)
	hap=hap+l1*8+l2*9+l3*2+l4*3+l5*4+l6*5
	hap=hap%11
	hap=11-hap
	hap=hap%10
	if (hap != l7) 
	{
		return (false);
	}
	
	return true; 
}

