..
제목에 질문이 다 있네요 ^^;;
저두 보긴 했는데 스킨 자료실에서 찾으려니 안보이네요..
아래 소스 적용하려고 하는데요.. 기존 스킨에서는 어떻게 처리했는지 한번 보려구요..^^
..

<script>
function getStyleObject(objectId) {
  if(document.getElementById && document.getElementById(objectId)) {
    return document.getElementById(objectId).style;
   }
   else if (document.all && document.all(objectId)) {  
    return document.all(objectId).style;
   }
   else if (document.layers && document.layers[objectId]) {
    return document.layers[objectId];
   } else {
    return false;
   }
}

function getObject(objectId) {
  if(document.getElementById && document.getElementById(objectId)) {
    return document.getElementById(objectId);
   }
   else if (document.all && document.all(objectId)) {  
    return document.all(objectId);
   }
   else if (document.layers && document.layers[objectId]) {
    return document.layers[objectId];
   } else {
    return false;
   }
}
function getIframDocument(iframeObject) {
    if(navigator.appName.indexOf("Internet Explorer") == -1) {
        return iframeObject.contentDocument
   }  else {
        return iframeObject.Document
   }
}
function getCookieVal (offset) {
    var endstr = document.cookie.indexOf (";", offset);
    if (endstr == -1)
        endstr = document.cookie.length;
    return (document.cookie.substring(offset, endstr));
}

function FixCookieDate (date) {
    var base = new Date(0);
    var skew = base.getTime(); // dawn of (Unix) time - should be 0
    if (skew > 0) // Except on the Mac - ahead of its time
        date.setTime (date.getTime() - skew);
}

function GetCookie (name) {
    var arg = name + "=";
    var alen = arg.length;
    var clen = document.cookie.length;
    var i = 0;
    while (i < clen) {
        var j = i + alen;
        if (document.cookie.substring(i, j) == arg)
            return getCookieVal (j);
        i = document.cookie.indexOf(" ", i) + 1;
        if (i == 0) break;
    }
    return null;
}

function SetCookie (name,value,expires,path,domain,secure) {
    document.cookie = name + "=" +  (value) + ((expires) ? "; expires=" + expires.toGMTString() : "") + ((path) ? "; path=" + path : "") + ((domain) ? "; domain=" + domain : "") + ((secure) ? "; secure" : "");
}

function DeleteCookie (name,path,domain) {
    path = "/";
    if (GetCookie(name)) {
        document.cookie = name + "=" + ((path) ? "; path=" + path : "") + ((domain) ? "; domain=" + domain : "") + "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}


    document.onkeypress = getKey;
    
    function getKey(keyStroke) {
        isNetscape=(document.layers);
        eventChooser = (isNetscape) ? keyStroke.which : event.keyCode;
        which = String.fromCharCode(eventChooser).toLowerCase();
        which2 = eventChooser;

        var el=event.srcElement;

        if ((el.tagName != "INPUT") && (el.tagName != "TEXTAREA"))
        {            
            if(which == "+" )
                zoomInOut('zoom', 'in');
            else if(which == "-" )
                zoomInOut('zoom', 'out');
        }  
        
    }

    var zoomRate = 10;
    var maxRate = 300;
    var minRate = 100;
    var divMenu_left;
    
    function zoomInOut(contentid, how) {

        if(GetCookie("zoomVal") != null && GetCookie("zoomVal") != ""){
            document.all[contentid].style.zoom = GetCookie("zoomVal");
            STATICMENU.style.zoom = GetCookie("zoomVal");
            currZoom=GetCookie("zoomVal");
        }
        else{            
            document.all[contentid].style.zoom = '100%';             
            STATICMENU.style.zoom = '100%';            
            currZoom = '100%';
        }
        
        if (((how == "in") && (parseInt(currZoom) >= maxRate)) || ((how == "out") && (parseInt(currZoom) <= minRate)) ) {
            return;
        }
        
        if (how == "in") {
            document.all[contentid].style.zoom = parseInt(document.all[contentid].style.zoom)+zoomRate+'%';
            STATICMENU.style.zoom = parseInt(STATICMENU.style.zoom)+zoomRate+'%';
            
        }
        else {
            document.all[contentid].style.zoom = parseInt(document.all[contentid].style.zoom)-zoomRate+'%';
            STATICMENU.style.zoom = parseInt(STATICMENU.style.zoom)-zoomRate+'%';
        }

        expires = new Date();
        expires.setTime(expires.getTime() + 24 * 60 * 60 * 365 * 5);
        SetCookie("zoomVal",document.all[contentid].style.zoom,expires,"/","","");
        //SetCookie("SeatLeft",STATICMENU.style.left,expires,"/","","");

        GoZoomLeft();    
    }

    function GoZoom(contentid){
        var rate = parseInt(GetCookie("zoomVal")) - 100;

        if(GetCookie("zoomVal") != null && GetCookie("zoomVal") != ""){
            document.all[contentid].style.zoom = GetCookie("zoomVal");
            STATICMENU.style.zoom = GetCookie("zoomVal");
            currZoom=GetCookie("zoomVal");
        }
        else{
            document.all[contentid].style.zoom = '100%';
            STATICMENU.style.zoom = '100%';
            currZoom = '100%';
        }
        GoZoomLeft();        
    }

    function GoZoomMain(contentid){
        if(GetCookie("zoomVal") != null && GetCookie("zoomVal") != ""){
            document.all[contentid].style.zoom = GetCookie("zoomVal");
            currZoom=GetCookie("zoomVal");
        }
        else{
            document.all[contentid].style.zoom = '100%';
            currZoom = '100%';
        }
    }

    function GoZoomLeft(){
        var rate = 0 ;

        if(GetCookie("zoomVal") != null && GetCookie("zoomVal") != ""){
            rate = parseInt(GetCookie("zoomVal")) - 100;
        }
        document.all['STATICMENU'].style.top = 3*rate ;
        document.all['STATICMENU'].style.left = 1.3*rate;
    }
</script>


</head>
<body  onload="javascript:GoZoomMain('zoom');">


<DIV ID="zoom">
<a href="javascript:zoomInOut('zoom','in');">확대</a> | <a href="javascript:zoomInOut('zoom','out');">축소</a><p>

<img src=http://www.blueb.co.kr/SRC/javascript/image/010.gif><img src=http://www.blueb.co.kr/SRC/javascript/image/020.gif><br>

버튼을 클릭하면 지정된 영역 모든 오브젝트가 확대/축소 됩니다.
쿠키를 적용하여 페이지를 새로고침하더라도 확대/축소된크기를 계속 유지합니다.
</div>

<div id="STATICMENU"></DIV>