document.write("<div id='divMenu' style='LEFT: 910px;TOP: 0px; z-index:1;POSITION: absolute;VISIBILITY: visible;'>");
document.write("<a href='#'><img src='/images/common/btn_top.jpg' width='24' height='80' border=0></a>");
document.write("</div>");

var isDOM = (document.getElementById ? true : false);
var isIE4 = ((document.all && !isDOM) ? true : false);
var isNS4 = (document.layers ? true : false);
var isNS = navigator.appName == 'Netscape';

function getRef(id) {
	if (isDOM) return document.getElementById(id);
	if (isIE4) return document.all[id];
	if (isNS4) return document.layers[id];
}

var scrollerHeight = 10;
var puaseBetweenImages = 10;
var imageIdx = 0;

function moveRightEdge() {
	var yMenuFrom, yMenuTo, yOffset, timeoutNextCheck;

	if (isDOM) {
		yMenuFrom  = parseInt (divMenu.style.top, 10);
		yMenuTo    = (isNS ? window.pageYOffset : document.body.scrollTop) + 280; // 위쪽 위치
	}
	timeoutNextCheck = 500;

	if (yMenuFrom != yMenuTo) {
		yOffset = Math.ceil(Math.abs(yMenuTo - yMenuFrom) / 20);
		if (yMenuTo < yMenuFrom)
			yOffset = -yOffset;
		if (isNS4) divMenu.top += yOffset;
		else if (isDOM) divMenu.style.top = parseInt (divMenu.style.top, 10) + yOffset;
		timeoutNextCheck = 10;
	}
	setTimeout ('moveRightEdge()', timeoutNextCheck);
}
if (isDOM) {
	var divMenu = getRef('divMenu');
	divMenu.style.top = (isNS ? window.pageYOffset : document.body.scrollTop) + 280;
	divMenu.style.visibility = 'visible';
	moveRightEdge();
}