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;
}

//png 
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 ''; 
} 

function applyScriptCss(linkCss) {
	document.write("\<link rel=\"stylesheet\" type=\"text/css\" href=\"" + linkCss + "\">");
}

//메뉴 롤오버 처리
function imgRollover(imgBoxID){
	var MenuCounts = document.getElementById(imgBoxID).getElementsByTagName("img");
	for (i=0;i<MenuCounts.length;i++) {

		var numImg=MenuCounts.item(i);
		var ImgCheck = numImg.src.substring(numImg.src.length-7,numImg.src.length);
		if (ImgCheck!="_on.gif") {
			numImg.onmouseover = function () {
				this.src = this.src.replace(".gif", "_on.gif");
			}
			numImg.onmouseout = function () {
				this.src = this.src.replace("_on.gif", ".gif");
			}
		}
	}
}

/* 바로가기 서비스 보이기 처리 */
function goPoint(point){
	if(document.getElementById(point).className != "listNone"){
		document.getElementById(point).className = "listNone";
	} else {
		document.getElementById(point).className = "listBlock";
	}
}

//Zoom In & Zoom Out
var zoomRate = 10; 
var maxRate = 300; 
var minRate = 100;

function GetCookie(name){
    if (document.cookie != "") {
        zoomc = document.cookie.split("; ");
        for (var i=0; i < zoomc.length; i++) {
            zoomv = zoomc[i].split("="); 
            if (zoomv[0] == name) {
                return  unescape(zoomv[1]);
            }
        }
    }else{
        return "";
    }
}
function SetCookie(name,value){
    document.cookie = name + "=" + escape (value)+";";
}
function zoom_body(contentid, how) {
    if(GetCookie("zoomVal") != null && GetCookie("zoomVal") != "" && GetCookie("zoomVal") != "undefined"){
        //document.all[contentid].style.zoom = GetCookie("zoomVal");
		document.body.style.zoom = GetCookie("zoomVal");
        currZoom=GetCookie("zoomVal");
    }
    else{
        //document.all[contentid].style.zoom = '100%'; 
		document.body.style.zoom = '100%'; 
        currZoom = '100%';
    }
    if (((how == "in") && (parseInt(currZoom) >= maxRate)) || ((how == "out") && (parseInt(currZoom) <= minRate)) ) {
        return; 
    }
    if (how == "in") {
		//alert(document.body.style.zoom);
        //document.all[contentid].style.zoom = parseInt(document.all[contentid].style.zoom)+zoomRate+'%'
		document.body.style.zoom = parseInt(document.body.style.zoom)+zoomRate+'%';
    }
	else if (how == "default") {
		document.body.style.zoom = 100+'%';
    }
    else {
        //document.all[contentid].style.zoom = parseInt(document.all[contentid].style.zoom)-zoomRate+'%'
		document.body.style.zoom = parseInt(document.body.style.zoom)-zoomRate+'%';
    }
    SetCookie("zoomVal",document.body.style.zoom);
}

//퀵메뉴 스크립트
function initMoving(target, position, topLimit, btmLimit) {
	if (!target)
		return false;

	var obj = target;
	obj.initTop = position;
	obj.topLimit = topLimit;
	obj.bottomLimit = document.documentElement.scrollHeight - btmLimit;

	obj.style.position = "absolute";
	obj.top = obj.initTop;
	obj.left = obj.initLeft;

	if (typeof(window.pageYOffset) == "number") {
		obj.getTop = function() {
			return window.pageYOffset;
		}
	} else if (typeof(document.documentElement.scrollTop) == "number") {
		obj.getTop = function() {
			return document.documentElement.scrollTop;
		}
	} else {
		obj.getTop = function() {
			return 0;
		}
	}

	if (self.innerHeight) {
		obj.getHeight = function() {
			return self.innerHeight;
		}
	} else if(document.documentElement.clientHeight) {
		obj.getHeight = function() {
			return document.documentElement.clientHeight;
		}
	} else {
		obj.getHeight = function() {
			return 500;
		}
	}

	obj.move = setInterval(function() {
		if (obj.initTop > 0) {
			pos = obj.getTop() + obj.initTop;
		} else {
			pos = obj.getTop() + obj.getHeight() + obj.initTop;
			//pos = obj.getTop() + obj.getHeight() / 2 - 15;
		}

		if (pos > obj.bottomLimit)
			pos = obj.bottomLimit;
		if (pos < obj.topLimit)
			pos = obj.topLimit;

		interval = obj.top - pos;
		obj.top = obj.top - interval / 3;
		obj.style.top = obj.top + "px";
	}, 30)
}


//sub3
<script>
	$(function(){
	    $('.divA').on("click",function(){
	       $(this).css("background-image","url('./images/btn2.jpg')").css("color","#fff");
	       $('.divA').not($(this)).css("background-image","url('./images/btn1.jpg')").css("color","#696978");
	    });
	 });
</script>