try{
	document.execCommand('BackgroundImageCache',false,true);
}
catch(e){}

//check browser
var isie=(/msie/i).test(navigator.userAgent); //ie
var isie6=(/msie 6/i).test(navigator.userAgent); //ie 6
var isie7=(/msie 7/i).test(navigator.userAgent); //ie 7
var isie8=(/msie 8/i).test(navigator.userAgent); //ie 8
var isfirefox=(/firefox/i).test(navigator.userAgent); //firefox
var isapple=(/applewebkit/i).test(navigator.userAgent); //safari,chrome
var isopera=(/opera/i).test(navigator.userAgent); //opera
if(isie7 || isie8) isie6=false;




//util
var util={

	//create element
	create : function(opts){
		var rv=(isie)? '' : document.createElement(opts.tagname);
		for(var i in opts){
			if(i!='tagname'){
				if(isie) rv+=' '+((i=='classname')? 'class' : i)+'="'+opts[i]+'"';
				else rv.setAttribute((i=='classname')? 'class' : i,opts[i]);
			}
		}
		return (isie)? document.createElement('<'+opts.tagname+rv+'>') : rv;
	},

	//add event
	addevent : function(tg,name,func){
		if(tg.attachEvent) tg.attachEvent('on'+name,func);
		else tg.addEventListener(name,func,false);
	},

	//popup
	pop : function(url,w,h,s){
		w=(s)? w+17 : w;
		s=(s)? 'yes' : 'no';
		var sw=screen.availWidth;
		var sh=screen.availHeight;
		var left=(sw/2)-(w/2);
		var top=(sh/2)-(h/2);
		var winname=url.substr(url.lastIndexOf('/')+1).split(/\.html|\.asp/)[0];
		window.open(url,winname,'left='+left+',top='+top+',width='+w+',height='+h+',scrollbars='+s+',resizeable=no,menubar=no,status=yes,location=no,toolbar=no');
	}
}



//event layer
var layer={

	tit : null,

	obj : null,
	iobj : null,

	tm : 0,
	bm : 150,

	sv1 : 0,
	sv2 : 0,

	sh :0,

	open : function(f){

		layer.close();
		
		
		if(!layer.obj){
			layer.tit=util.create({tagname:'h2'});
			document.body.appendChild(layer.tit);
			layer.obj=util.create({tagname:'div'});
			document.body.appendChild(layer.obj);
		}
		
		switch(f){

			//1.0 story_eng_init
			case 'storyEngInit' :
				layer.tm=200;
				layer.bm=100;
				layer.tit.className=layer.obj.className='layer_f';
				layer.tit.innerHTML='';
				layer.obj.innerHTML='<div class="layerdbg"><iframe src="about:blank" width="800" height="1100" frameborder="no" scrolling="no" allowTransparency="true"></iframe></div>';
				layer.iobj=layer.obj.getElementsByTagName('iframe')[0];
				layer.iobj.src='about/1_story_eng.asp';				
				break;
				
			//1.1 story_eng
			case 'storyEng' :
				layer.tm=200;
				layer.bm=100;
				layer.tit.className=layer.obj.className='layer_f';
				layer.tit.innerHTML='';
				layer.obj.innerHTML='<div class="layerdbg"><iframe src="about:blank" width="800" height="1100" frameborder="no" scrolling="no" allowTransparency="true"></iframe></div>';
				layer.iobj=layer.obj.getElementsByTagName('iframe')[0];
				layer.iobj.src='about/1_story_eng.asp';				
				resizeContain(1100);
				slideto('#about');
				break;
				
			//1.1 story_kor
			case 'storyKor' :
				layer.tm=200;
				layer.bm=100;
				layer.tit.className=layer.obj.className='layer_f';
				layer.tit.innerHTML='';
				layer.obj.innerHTML='<div class="layerdbg"><iframe src="about:blank" width="800" height="1100" frameborder="no" scrolling="no" allowTransparency="true"></iframe></div>';
				layer.iobj=layer.obj.getElementsByTagName('iframe')[0];
				layer.iobj.src='about/1_story_kor.asp';				
				resizeContain(1100);
				slideto('#about');
				break;

			//1.2 prmovie
			case 'prmovie' :
				layer.tm=200;
				layer.bm=100;
				layer.tit.className=layer.obj.className='layer_f';
				layer.tit.innerHTML='';
				layer.obj.innerHTML='<div class="layerdbg"><iframe src="about:blank" width="800" height="600" frameborder="no" scrolling="no" allowTransparency="true"></iframe></div>';
				layer.iobj=layer.obj.getElementsByTagName('iframe')[0];
				layer.iobj.src='about/1_prmovie.asp';
				resizeContain(600);
				slideto('#about');
				break;

			//2.1 financial info
			case 'financialinfo' :
				layer.tm=200;
				layer.bm=100;
				layer.tit.className=layer.obj.className='layer_f';
				layer.tit.innerHTML='';
				layer.obj.innerHTML='<div class="layerdbg"><iframe src="about:blank" width="700" height="850" frameborder="no" scrolling="no" allowTransparency="true"></iframe></div>';
				layer.iobj=layer.obj.getElementsByTagName('iframe')[0];
				layer.iobj.src='about/2_financial.asp';
				resizeContain(850);
				slideto('#about');
				break;

			//2.2 stock
			case 'stock' :
				layer.tm=200;
				layer.bm=100;
				layer.tit.className=layer.obj.className='layer_s';
				layer.tit.innerHTML='';
				layer.obj.innerHTML='<div class="layerdbg"><iframe src="about:blank" width="700" height="750" frameborder="no" scrolling="no" allowTransparency="true"></iframe></div>';
				layer.iobj=layer.obj.getElementsByTagName('iframe')[0];
				layer.iobj.src='about/2_stock.asp';
				resizeContain(750);
				slideto('#about');
				break;
				
			//2.3 disclosure
			case 'disclosure' :
				layer.tm=200;
				layer.bm=100;
				layer.tit.className=layer.obj.className='layer_d';
				layer.tit.innerHTML='';
				layer.obj.innerHTML='<div class="layerdbg"><iframe src="about:blank" width="700" height="750" frameborder="no" scrolling="no" allowtransparency="true"></iframe></div>';
				layer.iobj=layer.obj.getElementsByTagName('iframe')[0];
				layer.iobj.src='about/2_disclosure.asp';
				resizeContain(750);
				slideto('#about');
				break;

			//2.4 sustainability
			case 'sustainability' :
				layer.tm=200;
				layer.bm=100;
				layer.tit.className=layer.obj.className='layer_f';
				layer.tit.innerHTML='';
				layer.obj.innerHTML='<div class="layerdbg"><iframe src="about:blank" width="800" height="750" frameborder="no" scrolling="no" allowTransparency="true"></iframe></div>';
				layer.iobj=layer.obj.getElementsByTagName('iframe')[0];
				layer.iobj.src='about/2_sustainability_eng.asp';
				resizeContain(750);
				slideto('#about');
				break;

			//2.4 sustainability_kor
			case 'sustainabilityKor' :
				layer.tm=200;
				layer.bm=100;
				layer.tit.className=layer.obj.className='layer_f';
				layer.tit.innerHTML='';
				layer.obj.innerHTML='<div class="layerdbg"><iframe src="about:blank" width="800" height="750" frameborder="no" scrolling="no" allowTransparency="true"></iframe></div>';
				layer.iobj=layer.obj.getElementsByTagName('iframe')[0];
				layer.iobj.src='about/2_sustainability_kor.asp';
				resizeContain(750);
				slideto('#about');
				break;

			//2.4 sustainability_eng
			case 'sustainabilityEng' :
				layer.tm=200;
				layer.bm=100;
				layer.tit.className=layer.obj.className='layer_f';
				layer.tit.innerHTML='';
				layer.obj.innerHTML='<div class="layerdbg"><iframe src="about:blank" width="800" height="750" frameborder="no" scrolling="no" allowTransparency="true"></iframe></div>';
				layer.iobj=layer.obj.getElementsByTagName('iframe')[0];
				layer.iobj.src='about/2_sustainability_eng.asp';
				resizeContain(750);
				slideto('#about');
				break;

			//3.1 join
			case 'join' :
				layer.tm=200;
				layer.bm=100;
				layer.tit.className=layer.obj.className='layer_f';
				layer.tit.innerHTML='';
				layer.obj.innerHTML='<div class="layerdbg"><iframe src="about:blank" width="800" height="900" frameborder="no" scrolling="no" allowtransparency="true"></iframe></div>';
				layer.iobj=layer.obj.getElementsByTagName('iframe')[0];
				layer.iobj.src='about/3_join.asp';
				resizeContain(900);
				slideto('#about');
				break;

			//3.2 contact
			case 'contact' :
				layer.tm=200;
				layer.bm=100;
				layer.tit.className=layer.obj.className='layer_f';
				layer.tit.innerHTML='';
				layer.obj.innerHTML='<div class="layerdbg"><iframe src="about:blank" width="800" height="1500" frameborder="no" scrolling="no" allowtransparency="true"></iframe></div>';
				layer.iobj=layer.obj.getElementsByTagName('iframe')[0];
				layer.iobj.src='about/3_contact.asp';
				resizeContain(1500);
				slideto('#about');
				break;

			//4 news
			case 'news' :
				layer.tm=230;
				layer.bm=100;
				layer.tit.className=layer.obj.className='layer_f';
				layer.tit.innerHTML='';
				layer.obj.innerHTML='<div class="layerdbg"><iframe src="about:blank" width="733" height="1500" frameborder="no" scrolling="auto" allowtransparency="true"></iframe></div>';
				layer.iobj=layer.obj.getElementsByTagName('iframe')[0];
				layer.iobj.src='about/news_list.asp';
				resizeContain(1500);
				slideto('#about');
				break;

		}

		layer.tit.style.display='block';
		layer.obj.style.display='block';

	},

	movepage : function(url){

		layer.iobj.location.href=url;

	},

	totop : function(){

		document.body.scrollTop=0;
		document.documentElement.scrollTop=0;

	},

	close : function(){

		if(layer.tit){
			layer.tit.style.display='none';
			layer.obj.style.display='none';
			layer.obj.innerHTML='';
			layer.sv1=0;
			layer.sv2=0;
			layer.sh=(isapple)? document.body.scrollHeight : document.documentElement.scrollHeight;
		}
	}

}

var layer_close=layer.close;

//ie6 min-width
if(isie6){
	util.addevent(window,'load',function(){
	});
}else{
	util.addevent(window,'resize',function(){
	});
}

function close_layer(){
	layer.close();
}

// Ç÷¡½Ã¿¡¼­ ¾ÆÀÌÇÁ·¹ÀÓÈ£Ãâ

function gotoStoryInit(){
	layer.open('storyEngInit');
}
function gotoStory(){
	layer.open('storyEng');
}
function gotoStoryKor(){
	layer.open('storyKor');
}
function gotoStoryEng(){
	layer.open('storyEng');
}
function gotoPRMovie(){
	layer.open('prmovie');
}
function gotoStock(){
	layer.open('stock');
}
function gotoFinancial(){
	layer.open('financialinfo');
}
function gotoDisclosure(){
	layer.open('disclosure');
}
function gotoSustainability(){
	layer.open('sustainability');
}
function gotoSusKor(){
	layer.open('sustainabilityKor');
}
function gotoSusEng(){
	layer.open('sustainabilityEng');
}
function gotoJoin(){
	layer.open('join');
}
function gotoContact(){
	layer.open('contact');
}
function gotoNews(){
	layer.open('news');
}


// Ç÷¡½Ã DIV »çÀÌÁî Á¶Àý
function resizeContain($pixel){
	var obj = document.getElementById("contmain");
	obj.style.height = $pixel+"px";
}

function resizeElement( $id, $prop, $pixel ){
	var obj = document.getElementById( $id );
	obj.style[$prop] = $pixel + "px";	
}
function resetElement( $id, $prop ){
	var obj = document.getElementById( $id );
	if(isie6){
		obj.style[$prop] = "800px";
	} else {
		obj.style[$prop] = "100%";
	}
	layer.close();
}


function maingotoNews(){
	gotoNews();
	slideto('#about');
}

function maintoproduct($pnum){
	document.location.href = "/nano.asp?pnum="+$pnum;
	slideto('#product');
}

// png Åõ¸íÇÏ°Ôó¸®
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');" 
    return null; 
}