자동 스크롤 메뉴 관련 입니다.

<script language="javascript">
<!--

var stmnLEFT = 10; // 스크롤메뉴의 좌측 위치
var stmnGAP1 = 10; // 페이지 헤더부분의 여백
var stmnGAP2 = 200; // 스크롤시 브라우저 상단과 약간 띄움. 필요없으면 0으로 세팅
var stmnBASE = 100; // 스크롤메뉴 초기 시작위치 (아무렇게나 해도 상관은 없지만 stmnGAP1과 약간 차이를 주는게 보기 좋음)
 var stmnActivateSpeed = 0; // 움직임을 감지하는 속도 (숫자가 클수록 늦게 알아차림)
var stmnScrollSpeed = 0; // 스크롤되는 속도 (클수록 늦게 움직임)

var stmnTimer;

function ReadCookie(name) {
var label = name + "=";
var labelLen = label.length;
var cLen = document.cookie.length;
var i = 0;

while (i < cLen) {
        var j = i + labelLen;

        if (document.cookie.substring(i, j) == label) {
                var cEnd = document.cookie.indexOf(";", j);
                if (cEnd == -1) cEnd = document.cookie.length;
                return unescape(document.cookie.substring(j, cEnd));
        }
                i++;
    }
  return "";
}

function SaveCookie(name, value, expire) {
var eDate = new Date();
eDate.setDate(eDate.getDate() + expire);
document.cookie = name + "=" + value + "; expires=" +  eDate.toGMTString()+ "; path=/";
 }

function RefreshStaticMenu()
        {
                var stmnStartPoint, stmnEndPoint, stmnRefreshTimer;

                stmnStartPoint = parseInt(STATICMENU.style.top, 10);

                                       
                                        stmnEndPoint = document.body.scrollTop + stmnGAP2;
 
                        stmnLimit = parseInt(window.document.body.scrollHeight) - parseInt(STATICMENU.offsetHeight);
                         if (stmnEndPoint > stmnLimit) stmnEndPoint = stmnLimit;
                                        
                                        if (stmnEndPoint < stmnGAP1) stmnEndPoint = stmnGAP1;
 
                stmnRefreshTimer = stmnActivateSpeed;

                if ( stmnStartPoint != stmnEndPoint ) {
                        stmnScrollAmount = Math.ceil( Math.abs( stmnEndPoint - stmnStartPoint ) / 15 );
                         STATICMENU.style.top = parseInt(STATICMENU.style.top, 10) + ( ( stmnEndPoint<stmnStartPoint ) ? -stmnScrollAmount : stmnScrollAmount );
                         stmnRefreshTimer = stmnScrollSpeed;
                }

                stmnTimer = setTimeout ("RefreshStaticMenu();", stmnRefreshTimer);
         }

function ToggleAnimate() {
        if (!ANIMATE.checked) {
                RefreshStaticMenu();
                SaveCookie("ANIMATE", "true", 300);
                } else {
                clearTimeout(stmnTimer);
                STATICMENU.style.top = stmnGAP1;
                SaveCookie("ANIMATE", "false", 300);
        }
}

function InitializeStaticMenu() {
STATICMENU.style.left = stmnLEFT;
        if (ReadCookie("ANIMATE") == "false") {
                ANIMATE.checked = true;
                STATICMENU.style.top = document.body.scrollTop + stmnGAP1;
                } else {
                ANIMATE.checked = false;
                STATICMENU.style.top = document.body.scrollTop + stmnBASE;
                RefreshStaticMenu();
        }
}
//-->
</script>