if (typeof(COMMON_JS) == 'undefined')  // 한번만 실행
{  

var COMMON_JS = true;

var errmsg = ""; // 전역 변수
var errfld;

/*	quick_window_close()로 대체
function win_close(){ // main 화면 소리없이 죽이기 
   top.window.opener = top;
   top.window.open('','_parent', '');
   top.window.close();
}
*/ 

function check_field(fld, msg) // 필드 검사
{
    if ((fld.value = trim(fld.value)) == "") 			   
        error_field(fld, msg);
    else
        clear_field(fld);
    return;
}

function error_field(fld, msg) // 필드 오류 표시
{
    if (msg != "")
        errmsg += msg + "\n";
    if (!errfld) errfld = fld;
    fld.style.background = "#BDDEF7";
}

function clear_field(fld)    // 필드를 깨끗하게
{
    fld.style.background = "#FFFFFF";
}

function trim(s)
{
    var t = "";
    var from_pos = to_pos = 0;

    for (i=0; i<s.length; i++)
    {
        if (s.charAt(i) == ' ')
            continue;
        else 
        {
            from_pos = i;
            break;
        }
    }

    for (i=s.length; i>=0; i--)
    {
        if (s.charAt(i-1) == ' ')
            continue;
        else 
        {
            to_pos = i;
            break;
        }
    }	

    t = s.substring(from_pos, to_pos);
    //				alert(from_pos + ',' + to_pos + ',' + t+'.');
    return t;
}

function number_format(data) // 자바스크립트로 PHP의 number_format 흉내를 냄 // 숫자에 , 를 출력
{
    var tmp = '';
    var number = '';
    var cutlen = 3;
    var comma = ',';
    var i;
   
    len = data.length;
    mod = (len % cutlen);
    k = cutlen - mod;
    for (i=0; i<data.length; i++) 
    {
        number = number + data.charAt(i);
        
        if (i < data.length - 1) 
        {
            k++;
            if ((k % cutlen) == 0) 
            {
                number = number + comma;
                k = 0;
            }
        }
    }

    return number;
}

function popup_formmail(url) // 폼메일 창
{
    opt = 'scrollbars=yes,width=417,height=385,top=10,left=20';
    popup_window(url, "wformmail", opt);
}

function no_comma(data) // , 를 없앤다.
{
    var tmp = '';
    var comma = ',';
    var i;

    for (i=0; i<data.length; i++)
    {
        if (data.charAt(i) != comma)
            tmp += data.charAt(i);
    }
    return tmp;
}

function del(href)  // 삭제 검사 확인
{
    if(confirm("한번 삭제한 자료는 복구할 방법이 없습니다.\n\n정말 삭제하시겠습니까?")) 
        document.location.href = href;
}

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

function get_cookie(name) // 쿠키 얻음
{
    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 "";
}

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

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


function image_window(img) // 이미지의 크기에 따라 새창의 크기가 변경됩니다. // zzzz님께서 알려주셨습니다. 2005/04/12
{
    var w = img.tmp_width; 
    var h = img.tmp_height; 
    var winl = (screen.width-w)/2; 
    var wint = (screen.height-h)/3; 

    if (w >= screen.width) { 
        winl = 0; 
        h = (parseInt)(w * (h / w)); 
    } 

    if (h >= screen.height) { 
        wint = 0; 
        w = (parseInt)(h * (w / h)); 
    } 

    var js_url = "<script language='JavaScript1.2'> \n"; 
        js_url += "<!-- \n"; 
        js_url += "var ie=document.all; \n"; 
        js_url += "var nn6=document.getElementById&&!document.all; \n"; 
        js_url += "var isdrag=false; \n"; 
        js_url += "var x,y; \n"; 
        js_url += "var dobj; \n"; 
        js_url += "function movemouse(e) \n"; 
        js_url += "{ \n"; 
        js_url += "  if (isdrag) \n"; 
        js_url += "  { \n"; 
        js_url += "    dobj.style.left = nn6 ? tx + e.clientX - x : tx + event.clientX - x; \n"; 
        js_url += "    dobj.style.top  = nn6 ? ty + e.clientY - y : ty + event.clientY - y; \n"; 
        js_url += "    return false; \n"; 
        js_url += "  } \n"; 
        js_url += "} \n"; 
        js_url += "function selectmouse(e) \n"; 
        js_url += "{ \n"; 
        js_url += "  var fobj      = nn6 ? e.target : event.srcElement; \n"; 
        js_url += "  var topelement = nn6 ? 'HTML' : 'BODY'; \n"; 
        js_url += "  while (fobj.tagName != topelement && fobj.className != 'dragme') \n"; 
        js_url += "  { \n"; 
        js_url += "    fobj = nn6 ? fobj.parentNode : fobj.parentElement; \n"; 
        js_url += "  } \n"; 
        js_url += "  if (fobj.className=='dragme') \n"; 
        js_url += "  { \n"; 
        js_url += "    isdrag = true; \n"; 
        js_url += "    dobj = fobj; \n"; 
        js_url += "    tx = parseInt(dobj.style.left+0); \n"; 
        js_url += "    ty = parseInt(dobj.style.top+0); \n"; 
        js_url += "    x = nn6 ? e.clientX : event.clientX; \n"; 
        js_url += "    y = nn6 ? e.clientY : event.clientY; \n"; 
        js_url += "    document.onmousemove=movemouse; \n"; 
        js_url += "    return false; \n"; 
        js_url += "  } \n"; 
        js_url += "} \n"; 
        js_url += "document.onmousedown=selectmouse; \n"; 
        js_url += "document.onmouseup=new Function('isdrag=false'); \n"; 
        js_url += "//--> \n"; 
        js_url += "</"+"script> \n"; 

    var settings;

    if (g4_is_gecko) {
        settings  ='width='+(w+10)+','; 
        settings +='height='+(h+10)+','; 
    } else {
        settings  ='width='+w+','; 
        settings +='height='+h+','; 
    }
    settings +='top='+wint+','; 
    settings +='left='+winl+','; 
    settings +='scrollbars=no,'; 
    settings +='resizable=yes,'; 
    settings +='status=no'; 


    win=window.open("","image_window",settings); 
    win.document.open(); 
    win.document.write ("<html><head> \n<meta http-equiv='imagetoolbar' CONTENT='no'> \n<meta http-equiv='content-type' content='text/html; charset="+g4_charset+"'>\n"); 
    var size = "이미지 사이즈 : "+w+" x "+h;
    win.document.write ("<title>"+size+"</title> \n"); 
    if(w >= screen.width || h >= screen.height) { 
        win.document.write (js_url); 
        var click = "ondblclick='window.close();' style='cursor:move' title=' "+size+" \n\n 이미지 사이즈가 화면보다 큽니다. \n 왼쪽 버튼을 클릭한 후 마우스를 움직여서 보세요. \n\n 더블 클릭하면 닫혀요. '"; 
    } 
    else 
        var click = "onclick='window.close();' style='cursor:pointer' title=' "+size+" \n\n 클릭하면 닫혀요. '"; 
    win.document.write ("<style>.dragme{position:relative;}</style> \n"); 
    win.document.write ("</head> \n\n"); 
    win.document.write ("<body leftmargin=0 topmargin=0 bgcolor=#dddddd style='cursor:arrow;'> \n"); 
    win.document.write ("<table width=100% height=100% cellpadding=0 cellspacing=0><tr><td align=center valign=middle><img src='"+img.src+"' width='"+w+"' height='"+h+"' border=0 class='dragme' "+click+"></td></tr></table>");
    win.document.write ("</body></html>"); 
    win.document.close(); 

    if(parseInt(navigator.appVersion) >= 4){win.window.focus();} 
}

function popup_window(url, winname, opt) // 새 창
{
    window.open(url, winname, opt);
}

function win_open(url, name, option) // a 태그에서 onclick 이벤트를 사용하지 않기 위해
{
    var popup = window.open(url, name, option);
    popup.focus();
}

/* 독립된 창으로는 힘들다
function win_orh(od_idx){ // 주문내역을 보여주는 창
    url = g4_path + "/shop/orhview.php?od_idx="+od_idx;
    win_open(url, "winOrh", "left=50,top=50,width=800,height=600,scrollbars=1");
}
*/

function win_zip(frm_name, frm_zip, frm_addr1, frm_addr2){ // 우편번호 창
    url  = g4_path + "/" + g4_bbs + "/zip.php";
    url += "?frm_name=" + frm_name + "&frm_zip=" + frm_zip + "&frm_addr1=" + frm_addr1 + "&frm_addr2=" + frm_addr2;
    win_open(url, "winZip", "left=50,top=50,width=616,height=460,scrollbars=1");
}
                                        
function win_rcv(frm_name, frm_rcv_idx, frm_rcv_name, frm_rcv_tel, frm_rcv_hp, frm_rcv_zip, frm_rcv_addr1, frm_rcv_addr2) { // 이전 받은이 선택창
    url = g4_path + "/" 
		+g4_bbs+"/rcv.php?frm_name="+frm_name
		+"&frm_rcv_idx="      +frm_rcv_idx
		+"&frm_rcv_name="     +frm_rcv_name
		+"&frm_rcv_tel="      +frm_rcv_tel
		+"&frm_rcv_hp="       +frm_rcv_hp
		+"&frm_rcv_zip="      +frm_rcv_zip
		+"&frm_rcv_addr1="    +frm_rcv_addr1
		+"&frm_rcv_addr2="    +frm_rcv_addr2;
    win_open(url, "winRcv", "left=50,top=50,width=616,height=460,scrollbars=1");
}

function win_soc(frm_name, sc_idx, sc_name, mb_tel) {// By JJ. 동아리번호찾기창
	url = g4_path + "/" + g4_bbs + "/soc.php?frm_name="+frm_name+"&frm_sc_idx="+sc_idx+"&frm_sc_name="+sc_name+"&frm_mb_tel="+mb_tel;
    win_open(url, "winSoc", "left=50,top=50,width=616,height=460,scrollbars=1");
}

// 쪽지 창
function win_memo(url)
{
    if (!url)
        url = g4_path + "/" + g4_bbs + "/memo.php";
    win_open(url, "winMemo", "left=50,top=50,width=616,height=460,scrollbars=1");
}

// 물품상담쪽지 창
function win_memo_cslt(memo_cslt_id, mb_nick, od_name, dlvdate, it_name)
{
    var url
	url  = g4_path + "/" + g4_bbs + "/memo_cslt.php";
	url += "?memo_cslt_id=" + memo_cslt_id;
	url += "&mb_nick="      + mb_nick;
	url += "&od_name="      + od_name;
	url += "&dlvdate="      + dlvdate;
	url += "&it_name="      + it_name;
	win_open(url, "winMemoCslt", "left=50,top=50,width=616,height=460,scrollbars=1");
}

// 포인트 창
function win_point(url)
{
    win_open(g4_path + "/" + g4_bbs + "/point.php", "winPoint", "left=20, top=20, width=616, height=635, scrollbars=1");
}

// 스크랩 창
function win_scrap(url)
{
    if (!url)
        url = g4_path + "/" + g4_bbs + "/scrap.php";
    win_open(url, "scrap", "left=20, top=20, width=616, height=500, scrollbars=1");
}

// 패스워드 분실 창
function win_password_forget()
{
    win_open(g4_path + "/" + g4_bbs + "/password_forget.php", 'winPasswordForget', 'left=50, top=50, width=616, height=500, scrollbars=1');
}

// 코멘트 창
function win_comment(url)
{
    win_open(url, "winComment", "left=50, top=50, width=800, height=600, scrollbars=1");
}

// 폼메일 창
function win_formmail(mb_id, name, email)
{
	if (g4_charset.toLowerCase() == 'euc-kr')
        win_open(g4_path+"/" + g4_bbs + "/formmail.php?mb_id="+mb_id+"&name="+name+"&email="+email, "winFormmail", "left=50, top=50, width=600, height=480, scrollbars=0");
	else
        win_open(g4_path+"/" + g4_bbs + "/formmail.php?mb_id="+mb_id+"&name="+encodeURIComponent(name)+"&email="+email, "winFormmail", "left=50, top=50, width=600, height=480, scrollbars=0");
}

// 달력 창
function win_calendar(fld, cur_date, delimiter, opt)
{
    if (!opt)
        opt = "left=50, top=50, width=240, height=230, scrollbars=0,status=0,resizable=0";
    win_open(g4_path+"/" + g4_bbs + "/calendar.php?fld="+fld+"&cur_date="+cur_date+"&delimiter="+delimiter, "winCalendar", opt);
}

// 설문조사 창
function win_poll(url)
{
    if (!url)
        url = "";
    win_open(url, "winPoll", "left=50, top=50, width=616, height=500, scrollbars=1");
}

// 자기소개 창
function win_profile(mb_id)
{
    win_open(g4_path+"/" + g4_bbs + "/profile.php?mb_id="+mb_id, 'winProfile', 'left=50,top=50,width=616,height=500,scrollbars=1');
}

var last_id = null;

function menu(id){
    if (id != last_id){
        if (last_id != null)
           document.getElementById(last_id).style.display = "none";
        document.getElementById(id).style.display = "block";
        last_id = id;
    }else{
        document.getElementById(id).style.display = "none";
        last_id = null;
    }
}

function textarea_decrease(id, row)
{
    if (document.getElementById(id).rows - row > 0)
        document.getElementById(id).rows -= row;
}

function textarea_original(id, row)
{
    document.getElementById(id).rows = row;
}

function textarea_increase(id, row)
{
    document.getElementById(id).rows += row;
}

// 글숫자 검사
function check_byte(content, target)
{
    var i = 0;
    var cnt = 0;
    var ch = '';
    var cont = document.getElementById(content).value;

    for (i=0; i<cont.length; i++) {
        ch = cont.charAt(i);
        if (escape(ch).length > 4) {
            cnt += 2;
        } else {
            cnt += 1;
        }
    }
    // 숫자를 출력
    document.getElementById(target).innerHTML = cnt;

    return cnt;
}

// 브라우저에서 오브젝트의 왼쪽 좌표
function get_left_pos(obj)
{
    var parentObj = null;
    var clientObj = obj;
    //var left = obj.offsetLeft + document.body.clientLeft;
    var left = obj.offsetLeft;

    while((parentObj=clientObj.offsetParent) != null)
    {
        left = left + parentObj.offsetLeft;
        clientObj = parentObj;
    }

    return left;
}

// 브라우저에서 오브젝트의 상단 좌표
function get_top_pos(obj)
{
    var parentObj = null;
    var clientObj = obj;
    //var top = obj.offsetTop + document.body.clientTop;
    var top = obj.offsetTop;

    while((parentObj=clientObj.offsetParent) != null)
    {
        top = top + parentObj.offsetTop;
        clientObj = parentObj;
    }

    return top;
}

function flash_movie(src, ids, width, height, wmode)
{
    var wh = "";
    if (parseInt(width) && parseInt(height)) 
        wh = " width='"+width+"' height='"+height+"' ";
    return "<object classid='clsid:d27cdb6e-ae6d-11cf-96b8-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0' "+wh+" id="+ids+"><param name=wmode value="+wmode+"><param name=movie value="+src+"><param name=quality value=high><embed src="+src+" quality=high wmode="+wmode+" type='application/x-shockwave-flash' pluginspage='http://www.macromedia.com/shockwave/download/index.cgi?p1_prod_version=shockwaveflash' "+wh+"></embed></object>";
}

function obj_movie(src, ids, width, height, autostart)
{
    var wh = "";
    if (parseInt(width) && parseInt(height)) 
        wh = " width='"+width+"' height='"+height+"' ";
    if (!autostart) autostart = false;
    return "<embed src='"+src+"' "+wh+" autostart='"+autostart+"'></embed>";
}

function doc_write(cont)
{
    document.write(cont);
}


} // 한번만 실행 Block