// 주민등록번호 검사
function jumin_check(j1, j2) 
{
    if (j1.value.length < 6 || j2.value.length < 7)
        return false;

    var sum_1 = 0;
    var sum_2 = 0;
    var at=0;
    var juminno= j1.value + j2.value;
    sum_1 = (juminno.charAt(0)*2)+
            (juminno.charAt(1)*3)+
            (juminno.charAt(2)*4)+
            (juminno.charAt(3)*5)+
            (juminno.charAt(4)*6)+
            (juminno.charAt(5)*7)+
            (juminno.charAt(6)*8)+
            (juminno.charAt(7)*9)+
            (juminno.charAt(8)*2)+
            (juminno.charAt(9)*3)+
            (juminno.charAt(10)*4)+
            (juminno.charAt(11)*5);
    sum_2=sum_1 % 11;

    if (sum_2 == 0) {
        at = 10;
    } else {
        if (sum_2 == 1) 
            at = 11;
        else 
            at = sum_2;
    }
    att = 11 - at;
    if (juminno.charAt(12) != att) {
        return false;
    }

    return true
}

// 우편번호 창
function popup_zip(frm_name, frm_zip1, frm_zip2, frm_addr1, frm_addr2, dir, top, left)
{
    url = './?doc='+dir+'/mbzip.php&frm_name='+frm_name+'&frm_zip1='+frm_zip1+'&frm_zip2='+frm_zip2+'&frm_addr1='+frm_addr1+'&frm_addr2='+frm_addr2;
    opt = 'scrollbars=yes,width=500,height=250,top='+top+',left='+left;
    window.open(url, "mbzip", opt);
}

// 삭제 검사 확인
function del(href) 
{
    if (confirm("정말 삭제하시겠습니까?\n\n삭제후에는 자료를 복구할 수 없습니다.")) {
        document.location.href = href;
    }
}

// a 태그에서 onclick 이벤트를 사용하지 않기 위해
function winopen(url, name, option)
{
    window.open(url, name, option);
    return ;
}