<!--
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_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_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_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_showHideLayers() { //v3.0 
  var i,p,v,obj,args=MM_showHideLayers.arguments; 
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2]; 
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; } 
    obj.visibility=v; } 
}


// 퀵메뉴 -----------------------------------------------------

    self.onError=null; 
    currentX = currentY = 0;  
    whichIt = null;          
    lastScrollX = 0; lastScrollY = -10; 
    NS = (document.layers) ? 1 : 0; 
    IE = (document.all) ? 1: 0; 
    <!-- STALKER CODE --> 
    function heartBeat() { 
    	try{
	        if(IE) { 
	              diffY = document.body.scrollTop; 
	              diffX = 0; 
	              } 
	
	        if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; } 
	
	        if(diffY != lastScrollY) { 
	                    percent = .1 * (diffY - lastScrollY); 
	                    if(percent > 0) percent = Math.ceil(percent); 
	                    else percent = Math.floor(percent); 
	            if(IE) document.all.quick.style.pixelTop += percent; 
	            if(NS) document.quick.top += percent; 
	                    lastScrollY = lastScrollY + percent; 
	        } 
	        if(diffX != lastScrollX) { 
	            percent = .1 * (diffX - lastScrollX); 
	            if(percent > 0) percent = Math.ceil(percent); 
	            else percent = Math.floor(percent); 
	            if(IE) document.all.quick.style.pixelLeft += percent; 
	            if(NS) document.quick.top += percent; 
	            lastScrollY = lastScrollY + percent; 
	        }   
        }
        catch (e){
        }         
    }    
    if(NS || IE) action = window.setInterval("heartBeat()",1); 

//---------------------------------------------------------------------


function h4tab(n) {
    for(var i = 1; i < 5; i++) {
        obj = document.getElementById('h4tab'+i);
        img = document.getElementById('h4tab_button'+i);
        if ( n == i ) {
            obj.style.display = "block";
			img.height = 38;
            img.src = "../../images/sale/tab_on0"+i+".gif";    
        } else {
            obj.style.display = "none";
			img.height = 38;
            img.src = "../../images/sale/tab_off0"+i+".gif";
        }
    }
}

function h42tab(n) {
    for(var i = 1; i < 5; i++) {
        obj = document.getElementById('h42tab'+i);
        img = document.getElementById('h42tab_button'+i);
        if ( n == i ) {
            obj.style.display = "block";
			img.height = 38;
            img.src = "../../images/sale/tab_on0"+i+".gif";    
        } else {
            obj.style.display = "none";
			img.height = 38;
            img.src = "../../images/sale/tab_off0"+i+".gif";
        }
    }
}



// Hide Layer View

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}


// 기본 4개  개수 메뉴에 따라 조정(추가)하세요..

function f_controlTab(x) {
	for (i = 1; i <= 4; i++) {
		z = "tab" + i ;
		document.all[z].background = "../images/common/tab_off.gif" ;
		document.all[z].className = "taboff" ;
	}
	document.all["tab"+x].background = "../images/common/tab_on.gif";
	document.all["tab"+x].className = "tabon";
}

function f_controlTab3(x) {
	for (i = 1; i <= 3; i++) {
		z = "tab3" + i ;
		document.all[z].background = "../images/common/tab_off.gif" ;
		document.all[z].className = "taboff" ;
	}
	document.all["tab3"+x].background = "../images/common/tab_on.gif";
	document.all["tab3"+x].className = "tabon";
}


function f_controlTab2(x) {
	for (i = 1; i <= 2; i++) {
		z = "tab2" + i ;
		document.all[z].background = "../images/common/tab_250off.gif" ;
		document.all[z].className = "taboff2" ;
	}
	document.all["tab2"+x].background = "../images/common/tab_250on.gif";
	document.all["tab2"+x].className = "tabon2";
}


// FAQ Tab 메뉴

function faqtab(n) {
    for(var i = 1; i < 4; i++) {
        obj = document.getElementById('faqtab'+i);
        if ( n == i ) {
            obj.style.display = "block";
        } else {
            obj.style.display = "none";
        }
    }
}



function calla(){
             document.location.href="http://www.nate.com";
}


// Menu START -------------------------------------------------


	function moveUrl1(){
		moveUrl('01',seq);		// 사업소개  
	}

	function moveUrl2(){
		moveUrl('02',seq);		// 강좌/수강신청
	}

	function moveUrl3(){
		moveUrl('03',seq);		// 나의강의실
	}
	
	function moveUrl4(){
		moveUrl('04',seq);		// 학습도우미
	}
	
	function moveUrl5(){
		moveUrl('05',seq);		// 교육비지원안내
	}
	function moveUrl6(){
		moveUrl('06',seq);		// 교객센터
	}

	function moveUrl7(){
		moveUrl('07',seq);		// 학습관리
	}



// Menu END -------------------------------------------------



// 메인 탭메뉴 -------------------------------------------------------

	function besttab(n) {
    for(var i = 1; i < 4; i++) {
        obj = document.getElementById('besttab'+i);
        img = document.getElementById('besttab_button'+i);
        if ( n == i ) {
            obj.style.display = "block";
			img.height = 34;
            img.src = "../images/main/tab0"+i+"_on.gif";    
        } else {
            obj.style.display = "none";
			img.height = 34;
            img.src = "../images/main/tab0"+i+"_off.gif";
        }
    }
}