// 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=417,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 ;
}

// TEXTAREA 사이즈 변경
function textarea_size(fld, size)
{
	var rows = parseInt(fld.rows);

	rows += parseInt(size);
	if (rows > 0) {
		fld.rows = rows;
	}
}

// 쿠키 입력
function set_cookie(name, value, expirehours) 
{
	var today = new Date();
	today.setTime(today.getTime() + (60*60*1000*expirehours));
	document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + today.toGMTString() + ";";
}

// 쿠키 얻음
function get_cookie(name) 
{
    var find_sw = false;
    var start, end;
    var i = 0;

	for (i=0; i<= document.cookie.length; i++)
	{
		start = i;
		end = start + name.length;

		if(document.cookie.substring(start, end) == name) 
		{
			find_sw = true
			break
		}
	}

    if (find_sw == true) 
	{
        start = end + 1;
        end = document.cookie.indexOf(";", start);

        if(end < start)
            end = document.cookie.length;

        return document.cookie.substring(start, end);
    }
    return "";
}

// 쿠키 지움
function delete_cookie(name) 
{
	var today = new Date();

	today.setTime(today.getTime() - 1);
	var value = getCookie(name);
	if(value != "")
		document.cookie = name + "=" + value + "; path=/; expires=" + today.toGMTString();
}