/*
	add window.onload : addLoadEvent( func );
*/
function addLoadEvent(func) {
	var oldOnload = window.onload;

	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function () {
			oldOnload();
			func();
		}
	}
}

/*
	ie6 png change
	- css  : .png24{ tmp:expression( setPng24(this) ); }
	- html : <element class="png24" />
*/
function setPng24(obj) {
	obj.width        = obj.height = 1;
	obj.className    = obj.className.replace(/\bpng24\b/i,'');
	obj.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+ obj.src +"',sizingMethod='image');"
	obj.src          = '';

	return '';
}

/*
	ie6 background image cache : bgImgCache();
*/
function bgImgCache() {
	try {
		document.execCommand("BackgroundImageCache", false, true);
	} catch( e ) {}
}

/*
	insertAfter : insertAfter( newElement, targetElement );
*/
function insertAfter(newElement, targetElement) {
	var parent = targetElement.parentNode;

	if (parent.lastChild == targetElement) {
		parent.appendChild(newElement);
	} else {
		parent.insertBefore(newElement, targetElement.nextSibling);
	}
}

/*
	open popup : openPopup('url', { width:400, height:500, scroll:0, top:100, left:100, name:'name_popup' });
*/
function openPopup(url, option) {
	var obj_option = option == null ? {} : option;

	if (url               == null) url               = "";
	if (obj_option.width  == null) obj_option.width  = window.screen.availWidth;
	if (obj_option.height == null) obj_option.height = window.screen.availHeight;
	if (obj_option.scroll == null) obj_option.scroll = 0;
	if (obj_option.top    == null) obj_option.top    = (window.screen.availHeight - obj_option.height) / 4;
	if (obj_option.left   == null) obj_option.left   = (window.screen.availWidth  - obj_option.width) / 4;
	if (obj_option.name   == null) obj_option.name   = "";
	if (obj_option.errMsg == null) obj_option.errMsg = "Please disable popup blocking!";

	var newWindow = window.open(url, obj_option.name, "width=" + obj_option.width + ",height=" + obj_option.height + ",scrollbars=" + obj_option.scroll + ",toolbar=0,menubars=0,locationbar=0,historybar=0,statusbar=0,resizable=0,left=" + obj_option.left + ",top=" + obj_option.top + ",channelmode=no,titlebar=no", false);

	if (!newWindow) {
		alert(obj_option.errMsg);
		return false;
	}
	newWindow.focus();

	return newWindow;
}
// imgover
	function imgOver() {
	  var aImages = document.getElementsByTagName('img');
	  for(var i=0; i<aImages.length; i++) {
		if (aImages[i].className == 'imgover') {
		  aImages[i].onmouseover = function() {
			var img_src =  this.getAttribute('src');
			img_src = img_src.replace("_off", "_on");
			this.setAttribute('src', img_src);
			}
		   aImages[i].onmouseout = function() {
			  var img_src =  this.getAttribute('src');
			  img_src = img_src.replace("_on", "_off");
			  this.setAttribute('src', img_src);
		   }
		}
	}
	return false;
	}
addLoadEvent(imgOver);
{
}

// layer
function MM_allmenu() { //v9.0
  var i,p,v,obj,args=MM_allmenu.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}


/*gnb*/
// IMAGE SWAP total
function SwapImg(obj, imgnm)
{
	var path = "./images/main/";
	var imgobj = eval("document." + obj);
	imgobj.src = path + imgnm;
}
//  DIV Display total
function openDiv(id)
{
	var obj = document.getElementById(id);
	obj.style.visibility = "visible";
}
function closeDiv(id)
{
	var obj = document.getElementById(id);
	obj.style.visibility = "hidden";
}
// sub
function displaySub(id)
{
	var len = 6;
	for (i=0; i < len; i++)
	{
		var obj = document.getElementById("subnav_list"+(i+1));
		obj.style.visibility = "hidden";	
	}

	
	var obj = document.getElementById("subnav_list"+id);
	obj.style.visibility = "visible";	
}

//°ü¸®ÀÚ
function displaySubAdmin(id)
{
	var len = 3;
	for (i=0; i < len; i++)
	{
		var obj = document.getElementById("subnav_list"+(i+1));
		obj.style.visibility = "hidden";	
	}

	
	var obj = document.getElementById("subnav_list"+id);
	obj.style.visibility = "visible";	
}
function CloseSub(id)
{
	var obj = document.getElementById("subnav_list"+id);
	obj.style.visibility = "hidden";
}
// imgOverContent gnb
function imgOvergnb(num) {
	for (var i = 1; i <= 7; i++ ) {
		var content_tab = document.getElementById("gnb"+i+"_tab");
		var img_src =  content_tab.getAttribute('src');
		img_src = img_src.replace("_on", "_off");
		content_tab.setAttribute('src', img_src);
	}

	var content_tab = document.getElementById("gnb"+num+"_tab");
	var img_src =  content_tab.getAttribute('src');
	img_src = img_src.replace("_off", "_on");
	content_tab.setAttribute('src', img_src);
}


//Áú¹® ´Ý±â

function opendata(n){
	if(!n){
		return;
	}else{
		var i=1;
		for(i=1;i<=10;i++){
			var frm = document.getElementById("g"+i);
			if(i == n){
				if(frm.style.display == "none"){
					frm.style.display = "";
				}else{
					frm.style.display = "none";
				}
			}else{
				frm.style.display = "none";
			}
		}
	}
}