function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  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=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_showHideLayers() { //v9.0
  var i,p,v,obj,args=MM_showHideLayers.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; }
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}
function MM_jumpMenu_blank(selObj,restore){ //v3.0
  eval("window.open='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function setPng24(obj) {
	var useragent = navigator.userAgent;
	
	if ((useragent.indexOf('MSIE 6')>0) && (useragent.indexOf('MSIE 7')==-1)){
		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 '';
	}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

// gnb menu
function initNavigation(seq) {
	nav = document.getElementById("gnb");
	nav.menu = new Array();
	nav.current = null;
	nav.menuseq = 0;
	navLen = nav.childNodes.length;
	
	allA = nav.getElementsByTagName("a")
	for(k = 0; k < allA.length; k++) {
		allA.item(k).onmouseover = allA.item(k).onfocus = function () {
			nav.isOver = true;
		}
		allA.item(k).onmouseout = allA.item(k).onblur = function () {
			nav.isOver = false;
			setTimeout(function () {
				if (nav.isOver == false) {
					if (nav.menu[seq])
						nav.menu[seq].onmouseover();
					else if(nav.current) {
						menuImg = nav.current.childNodes.item(0);
						menuImg.src = menuImg.src.replace("_on.gif", ".gif");
						if (nav.current.submenu)
							nav.current.submenu.style.display = "none";
						nav.current = null;
					}
				}
			}, 500);
		}
	}

	for (i = 0; i < navLen; i++) {
		navItem = nav.childNodes.item(i);
		if (navItem.tagName != "LI")
			continue;

		navAnchor = navItem.getElementsByTagName("a").item(0);
		navAnchor.submenu = navItem.getElementsByTagName("ul").item(0);
		
		navAnchor.onmouseover = navAnchor.onfocus = function () {
			if (nav.current) {
				menuImg = nav.current.childNodes.item(0);
				menuImg.src = menuImg.src.replace("_on.gif", ".gif");
				if (nav.current.submenu)
					nav.current.submenu.style.display = "none";
				nav.current = null;
			}
			if (nav.current != this) {
				menuImg = this.childNodes.item(0);
				menuImg.src = menuImg.src.replace(".gif", "_on.gif");
				if (this.submenu)
					this.submenu.style.display = "block";
				nav.current = this;
			}
			nav.isOver = true;
		}
		nav.menuseq++;
		nav.menu[nav.menuseq] = navAnchor;
	}
	if (nav.menu[seq])
		nav.menu[seq].onmouseover();
}


// snb menu
function changeOverRowClassOver() {
	if (this.className == "") {
		this.className = this.className + " on";
	} else {
		this.className = "on";
	}
}

function changeOverRowClassOut() {
	if (this.className == "on") {
		this.className = "";
	} else {
		this.className = this.className.replace(" on", "");
	}
}

function InitSNB( index )
{
	var el = document.getElementById("snb").getElementsByTagName("a");

	for (i=0; i<el.length; i++) {
		if( i == index )
		{
			el[i].onmouseover = changeOverRowClassOver;
			el[i].onmouseout = changeOverRowClassOver;
		}
		else
		{
			el[i].onmouseover = changeOverRowClassOver;
			el[i].onmouseout = changeOverRowClassOut;
		}
		
		el[i].onmouseout();
	}
}	

// Tab Content
function tabMenu(tabContainerID) {
	var tabContainer = document.getElementById(tabContainerID);
	var tabAnchor = tabContainer.getElementsByTagName("a");
	var i = 0;

	for(i=0; i<tabAnchor.length; i++) {
		if (tabAnchor.item(i).className == "tab")
			thismenu = tabAnchor.item(i);
		else
			continue;

		thismenu.container = tabContainer;
		thismenu.targetEl = document.getElementById(tabAnchor.item(i).href.split("#")[1]);
		thismenu.targetEl.style.display = "none";
		thismenu.imgEl = thismenu.getElementsByTagName("img").item(0);
		thismenu.onclick = function tabMenuClick() {
			currentmenu = this.container.current;
			if (currentmenu == this)
				return false;

			if (currentmenu) {
				currentmenu.targetEl.style.display = "none";
				if (currentmenu.imgEl) {
					currentmenu.imgEl.src = currentmenu.imgEl.src.replace("_on.gif", ".gif");
				} else {
					currentmenu.className = currentmenu.className.replace(" on", "");
				}
			}
			this.targetEl.style.display = "";
			if (this.imgEl) {
				this.imgEl.src = this.imgEl.src.replace(".gif", "_on.gif");
			} else {
				this.className += " on";
			}
			this.container.current = this;

			return false;
		};
		thismenu.onfocus = function tabMenuClick() {
			currentmenu = this.container.current;
			if (currentmenu == this)
				return false;

			if (currentmenu) {
				currentmenu.targetEl.style.display = "none";
				if (currentmenu.imgEl) {
					currentmenu.imgEl.src = currentmenu.imgEl.src.replace("_on.gif", ".gif");
				} else {
					currentmenu.className = currentmenu.className.replace(" on", "");
				}
			}
			this.targetEl.style.display = "";
			if (this.imgEl) {
				this.imgEl.src = this.imgEl.src.replace(".gif", "_on.gif");
			} else {
				this.className += " on";
			}
			this.container.current = this;

			return false;
		};

		if (!thismenu.container.first)
			thismenu.container.first = thismenu;
	}
	if (tabContainer.first)
		tabContainer.first.onclick();
}

// rollover
function initRollovers() {
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {		
		if (aImages[i].className == 'imgover') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_on'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_on'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}

window.onload = initRollovers;

// showhide layer 
function showLayer(divName){
	var div_style =document.getElementById(divName).style.display;
	if (div_style == "block")
	{
		document.getElementById(divName).style.display ="none";
	}else {
		document.getElementById(divName).style.display ="block";
	}
}


function photogallery(){
    var targeturl="/photogallery/index.html";  newwin=window.open("","","toolbar=no,location=no,status=yes,menber=no,scrollbar=no,fullscreen=no,directories=no,resizable=no")
    if (document.all){
        newwin.moveTo(0,0)
        newwin.resizeTo(screen.width,screen.height)
    }
    newwin.location=targeturl
}

function ebook(){
    var targeturl="/flashview/ebook.html";  newwin=window.open("","","toolbar=no,location=no,status=yes,menber=no,scrollbar=no,fullscreen=no,directories=no,resizable=no")
    if (document.all){
        newwin.moveTo(0,0)
        newwin.resizeTo(1068,800)
    }
    newwin.location=targeturl
}

function flash_view1(){
    var targeturl="/flashview/flash_view1.html";  newwin=window.open("","","toolbar=no,location=no,status=yes,menber=no,scrollbar=no,fullscreen=no,directories=no,resizable=no")
	 if (document.all){
        newwin.moveTo(100,100)
        newwin.resizeTo(900,700)
    }
    newwin.location=targeturl
}

//»çÀÌÆ®¸µÅ©
function Bookmark_OnChange(obj_name)
{
	obj = document.getElementById(obj_name)
	if(obj.selectedIndex != -1)
	{
		var sel = obj.options[obj.selectedIndex];

		if(sel.value != '')
		{
			var strKey = sel.getAttribute("key");
			window.open(sel.value, strKey);
		}
	}
}

//»õâ¶Ù¿ì±â
function na_open_window(name, url, left, top, width, height, toolbar, menubar, statusbar, scrollbar, resizable){
	toolbar_str = toolbar ? 'yes' : 'no';
	menubar_str = menubar ? 'yes' : 'no';
	statusbar_str = statusbar ? 'yes' : 'no';
	scrollbar_str = scrollbar ? 'yes' : 'no';
	resizable_str = resizable ? 'yes' : 'no';
	window.open(url, name, 'left='+left+',top='+top+',width='+width+',height='+height+',toolbar='+toolbar_str+',menubar='+menubar_str+',status='+statusbar_str+',scrollbars='+scrollbar_str+',resizable='+resizable_str);
}


function check_m() {
   var form = document.contactForm;
   
   if (!form.sender1.value) {
     alert("Please type your First Name!");
	 form.sender1.focus();
	 return;
   }

   if (!form.sender2.value) {
     alert("Please type your Last Name!");
	 form.sender2.focus();
	 return;
   }


   if (!form.sender_email.value) {
     alert("Please type your E-Mail");
	 form.sender_email.focus();
	 return;
   }

   if (!form.subject.value) {
     alert("Please type your Title");
	 form.subject.focus();
	 return;
   }

  if (!form.contents.value) {
      alert("Please type your Comments");
	  form.contents.focus();
	  return;
   }

   form.submit();
 }