<!--
function jumin_numeo(a, b) { if(a.length==6)b.focus();}
function num_chk(v){
  for (var i=0; i<v.length; i++) {
    var ch = v.charAt(i);
    if ( !(ch >= '0' && ch <= '9') ) 
      return false;
  }
  return true;
}
function MF(msg,JM){alert(msg);JM.focus();}
function JMCK(JM1, JM2) 
{
  var msg="잘못된 주민등록번호입니다. 확인해 주세요.";
  var v1 = JM1.value;
  var v2 = JM2.value;
  if(v1==""){alert("주민등록 번호 앞자리를 입력해 주세요");JM1.focus();return false;}
  if(v2==""){alert("주민등록 번호 뒷자리를 입력해 주세요");JM2.focus();return false;}
  if(v1.length!=6){alert("주민등록 번호 앞 6자리를 모두 입력해 주세요.");JM1.focus();return false;}
  if(v2.length!=7){alert("주민등록 번호 뒷 7자리를 모두 입력해 주세요.");JM2.focus();return false;}
  if(!num_chk(v1)){alert("주민등록 번호 앞자리는 '숫자'만 가능합니다");JM1.focus();return false;}
  if(!num_chk(v2)){alert("주민등록 번호 뒷자리는 '숫자'만 가능합니다");JM2.focus();return false;}
	

	var dfdf = v1.split(".");
	var fdfd = v2.split(".");
	if (dfdf[1] || dfdf[1]){MF(msg,JM1);return false;}

	var array1 = v1.split("");
	var array2 = v2.split("");
	var y = array1[0]+array1[1];
	if (Number(array1[2]) == 0) var m = array1[3];
	else if (Number(array1[2])==1) var m = array1[2]+array1[3];
	else return false;
	if (Number(m)>12 || Number(m)<1){MF(msg,JM1);return false;}
	if (Number(array1[4])==0) var d=array1[5];
	else var d=array1[4]+array1[5];
	var f = 0;
	if (Number(y)%4 == 0 && Number(y)%1000 != 0) f = 1;
	


	if (f == 0) var ererr = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
	else if (f == 1) var ererr = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
	else{MF(msg,JM1);return false;}
	if (ererr[m-1] < Number(d)){MF(msg,JM1);return false;}
	var now = new Date();
	var ny = now.getFullYear();
	var nm = now.getMonth()+1;
	var nd = now.getDate();
	nc = Math.floor(ny/100)+1-20;
	if (Number(array2[0]) != s_minus(nc, 2) && Number(array2[0]) != s_minus(nc, 1) && Number(array2[0]) != nc && Number(array2[0]) != s_plus(nc, 1) && Number(array2[0]) != s_plus(nc, 2) && Number(array2[0]) != s_plus(nc, 3)){MF(msg,JM1);return false;}
	nc += 20;
	y = changeC(nc, Number(array2[0]))+y;

	
	if (ny < Number(y)){MF(msg,JM1);return false;}

	if (ny == Number(y) && nm < Number(m)){MF(msg,JM1);return false;}
	if (ny == Number(y) && nm == Number(m) && nd < Number(d)){MF(msg,JM1);return false;}
	var num=(Number(array1[0])*2)+(Number(array1[1])*3)+(Number(array1[2])*4)+(Number(array1[3])*5)+(Number(array1[4])*6)+(Number(array1[5])*7)+(Number(array2[0])*8)+(Number(array2[1])*9)+(Number(array2[2])*2)+(Number(array2[3])*3)+(Number(array2[4])*4)+(Number(array2[5])*5);
	num=11-(num%11);
	var check=num%10;
	if (check != Number(array2[6])){MF(msg,JM1);return false;}
	  return true;
}

function s_minus(a, b) {
  var r = a-b;
  while(1) {
    if (r<0) r+=10;
    else if (r>=10) r-=10;
    else break;
  } 
  return r;
}
function s_plus(a, b) {
  var r = a+b;
  while(1) {
    if (r<0) r+=10;
    else if (r>=10) r-=10;
    else break;
  } 
  return r;
}
function changeC(nc, s) {
  while(1) {
    if ((nc%5) != 4) nc--;
    else break;
  }
  var ret = nc+s/2-1;
  ret = ""+ret;
  return ret;
}
-->