function showM(m)
{
	var box = getId('subMenuBox'+m);
	if(box) box.style.display = 'block';
}
function hideM(m)
{
	var box = getId('subMenuBox'+m);
	if(box) box.style.display = 'none';
}
function layoutLogCheck(f)
{
	if (f.id.value == '')
	{
		alert('아이디를 입력해 주세요.');
		f.id.value='';
		f.id.focus();
		return false;
	}
	if (f.pw.value == '')
	{
		alert('패스워드를 입력해 주세요.');
		f.pw.value='';
		f.pw.focus();
		return false;
	}
}
function layoutRMBpw(ths)
{
	if (ths.checked == true)
	{
		if (!confirm('\n\n패스워드정보를 저장할 경우 다음접속시 \n\n패스워드를 입력하지 않으셔도 됩니다.\n\n그러나, 개인PC가 아닐 경우 타인이 로그인할 수 있습니다.     \n\nPC를 여러사람이 사용하는 공공장소에서는 체크하지 마세요.\n\n정말로 패스워드를 기억시키겠습니까?\n\n'))
		{
			ths.checked = false;
		}
	}
}

function CenterWin(url,winname,features)
{

features = features.toLowerCase();
len = features.length;
sumchar= "";
for (i=1; i <= len; i++) 
{ 
onechar = features.substr(i-1, 1);
if (onechar != " ") sumchar += onechar;
}

features = sumchar; 
sp = new Array();
sp = features.split(',', 10);
splen = sp.length;
for (i=0; i < splen; i++) 
{ 
if (sp[i].indexOf("width=") == 0)
{ 
width = Number(sp[i].substring(6)); 
} else if (sp[i].indexOf("height=") == 0) 
{
height = Number(sp[i].substring(7)); 
}
}
sleft = (screen.width - width) / 2;
stop = (screen.height - height) / 2;
features = features + ",left=" + sleft + ",top=" + stop;
popwin = window.open(url,winname,features); 
}

function bluring(){ 
if(event.srcElement.tagName=="A"||event.srcElement.tagName=="IMG") document.body.focus(); 
} 
document.onfocusin=bluring; 

function goto_byselect(sel, targetstr)
{
  var index = sel.selectedIndex;
  if (sel.options[index].value != '') {
     if (targetstr == 'blank') {
       window.open(sel.options[index].value, 'win1');
     } else {
       var frameobj;
       if (targetstr == '') targetstr = 'self';
       if ((frameobj = eval(targetstr)) != null)
         frameobj.location = sel.options[index].value;
     }
  }
}

function na_restore_img_src(name, nsdoc)
{
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img && img.altsrc) {
    img.src    = img.altsrc;
    img.altsrc = null;
  } 
}

function na_preload_img()
{ 
  var img_list = na_preload_img.arguments;
  if (document.preloadlist == null) 
    document.preloadlist = new Array();
  var top = document.preloadlist.length;
  for (var i=0; i < img_list.length; i++) {
    document.preloadlist[top+i]     = new Image;
    document.preloadlist[top+i].src = img_list[i+1];
  } 
}

function na_change_img_src(name, nsdoc, rpath, preload)
{ 
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img) {
    img.altsrc = img.src;
    img.src    = rpath;
  } 
}

function na_hide_layer(lname)
{
  if (document.layers)
    document.layers[lname].visibility = 'hide'    
  if(document.all)
    document.all(lname).style.visibility = 'hidden' 
}

function na_show_layer(lname)
{
 if (lname == '') return;
 
 var layer  = document.all ? document.all(lname).style : document.layers[lname];
 var show  = document.all ? 'visible' : 'show';
 var hide  = document.all ? 'hidden' : 'hide';
 
 if (na_show_layer.arguments.length <= 1)
  layer.visibility = show;
 else
  layer.visibility = (na_show_layer.arguments[1] == 0 ? show : hide);
}

function na_init_layer_events()
{
  if (document.layers) {
    document.layers['select_link'].captureEvents(Event.MOUSEOVER|Event.MOUSEOUT|Event.MOUSEUP);
    document.layers['select_link'].onmouseout = new Function("na_hide_layer('select_link');");
    document.layers['select_link'].onmouseover = new Function("na_show_layer('select_link');");
  }
}

function na_restore_img_src(name, nsdoc)
{
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img && img.altsrc) {
    img.src    = img.altsrc;
    img.altsrc = null;
  } 
}

function na_preload_img()
{ 
  var img_list = na_preload_img.arguments;
  if (document.preloadlist == null) 
    document.preloadlist = new Array();
  var top = document.preloadlist.length;
  for (var i=0; i < img_list.length-1; i++) {
    document.preloadlist[top+i] = new Image;
    document.preloadlist[top+i].src = img_list[i+1];
  } 
}

function na_change_img_src(name, nsdoc, rpath, preload)
{ 
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img) {
    img.altsrc = img.src;
    img.src    = rpath;
  } 
}

function na_hide_layer(lname)
{
  if(document.getElementById) {
    document.getElementById(lname).style.visibility = 'hidden';
  } else if(document.layers) {
    document.layers[lname].visibility = 'hide'   
  } else if(document.all)
    document.all(lname).style.visibility = 'hidden' 
}

function na_show_layer(lname)
{
  if (na_show_layer.arguments.length <= 1) { // don't delete, backword compatibility
    if(document.getElementById) {
      document.getElementById(lname).style.visibility = 'visible';
    } else if(document.layers) {
      document.layers[lname].visibility = 'show'   
    } else if(document.all)
      document.all(lname).style.visibility = 'visible' 
  } else {
    if(document.getElementById) {
      document.getElementById(lname).style.visibility = 'hidden';
    } else if(document.layers) {
      document.layers[lname].visibility = 'hide'   
    } else if(document.all)
      document.all(lname).style.visibility = 'hidden' 
  }
}

function na_init_layer_events()
{
  if (document.layers) {
    document.layers['select_link'].captureEvents(Event.MOUSEOVER|Event.MOUSEOUT|Event.MOUSEUP);
    document.layers['select_link'].onmouseout = new Function("na_hide_layer('select_link');");
    document.layers['select_link'].onmouseover = new Function("na_show_layer('select_link');");
  }
}

function bookmarksite(title,url) { 
   if (window.sidebar) // firefox 
   window.sidebar.addPanel(title, url, ""); 
   else if(window.opera && window.print)

   { // opera 
      var elem = document.createElement('a'); 
      elem.setAttribute('href',url); 
      elem.setAttribute('title',title); 
      elem.setAttribute('rel','sidebar'); 
      elem.click(); 
   } 

   else if(document.all) // ie
   window.external.AddFavorite(url, title); 
}