// 전역 변수
var errmsg = "";
var errfld;

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

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

// 필드를 깨끗하게
function clear_field(fld) 
{
    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;
}

// 자바스크립트로 PHP의 number_format 흉내를 냄
// 숫자에 , 를 출력
function number_format(data) 
{
	
    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;
}

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


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

// 큰이미지 창
function popup_large_image(it_id, img, width, height, cart_dir)
{
	var top = 10;
	var left = 10;
	url = "./?doc="+cart_dir+"/largeimage.php&it_id=" + it_id + "&img=" + img;
	width = width + 50;
	height = height + 70;
	opt = 'scrollbars=yes,width='+width+',height='+height+',top='+top+',left='+left;
	popup_window(url, "largeimage", opt);
}

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

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

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

// 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();
}

// 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);
}

// 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;
	}
}

var old='';
function menu(name){

	submenu=eval(name+".style");

	if (old!=submenu)
	{
		if(old!='')
		{
			old.display='none';
		}
		submenu.display='block';
		old=submenu;
	}
	else
	{
		submenu.display='none';
		old='';
	}
}

// 필터 적용 함수
function trans(id,after) 
{ 
eval(id+'.filters.blendTrans.stop();'); 
eval(id+'.filters.blendTrans.Apply();'); 
eval(id+'.src="'+after+'";'); 
eval(id+'.filters.blendTrans.Play();'); 
} 
function Find_Obj(n, d) { 
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=Find_Obj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}
// 부메뉴 레이어 숨김/보이기 함수
function Show_Hide() { 
  var i,p,v,obj,args=Show_Hide.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=Find_Obj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

function flash_movie(src, ids, width, height, wmode)
{
    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' width="+width+" height="+height+" 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' width="+width+" height="+height+"></embed></object>";
}

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