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];
}

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

	if (isDOM) {
		yMenuFrom   = parseInt (divMenu.style.top, 0);
		yMenuTo     = (isNS ? window.pageYOffset : document.body.scrollTop);
	}
	timeoutNextCheck = 500;

	if (yMenuFrom != yMenuTo) {

		if (yMenuTo > yMenuFrom ){
			yOffset = Math.ceil(Math.abs(yMenuTo - yMenuFrom-200) / 20);
		}
		else{
			yOffset = Math.ceil(Math.abs(yMenuTo - yMenuFrom) / 20);
		}

		if (yMenuTo < yMenuFrom){
			yOffset = -yOffset;
			bbb.innerHTML = "";
			}
		else
		{
			bbb.innerHTML = "<p style=margin-top:230>";
		}

		if(yMenuTo < 100) {
			bbb.innerHTML = "<p style=margin-top:230>";
		}
		else{
			bbb.innerHTML = "<p style=margin-top:230>";
		}

		if (isNS4)
			divMenu.top += yOffset;
		else if (isDOM)
			divMenu.style.top = parseInt (divMenu.style.top, 0) + yOffset;

		timeoutNextCheck = 10;

		var aaa;
		aaa = parseInt(yMenuTo)

		if (aaa<100){
			divMenu.style.top = 0;
		}
	}
	setTimeout ('moveRightEdge()', timeoutNextCheck);
}

function WindReset() {
	divMenu.style.left = topmenu.offsetLeft + 800;
}

document.write("<div id='divMenu' align=center style='width:90px; height:500px; position:absolute; left:"+(topmenu.offsetLeft+800)+"px; top:500px; z-index:20; visibility:visible;'>");
document.write("<span id=bbb>");
document.write("<font color=white>");
document.write("<p style=margin-top:230>");
document.write("</font>");
document.write("</span>");
//document.write("<p style=margin-top:8><a href=http://www.nature.com/ncpcardio/index.html target=_blank><img src='http://www.medisurf.com/images/main/ad_NCP.gif' border=0></a>");
//document.write("<p style=margin-top:8><a href=/Journal_Service/NCP.asp><img src='http://www.medisurf.com/images/main/ad_ncp_logo.gif' border=0></a>");
document.write("<p style=margin-top:8><a href=http://bbs.radiology.or.kr/radspace/ target=_blank><img src='http://www.medisurf.com/images/main/ad_radspace_logo.gif' border=0></a>");
//document.write("<p style=margin-top:8><a href=javascript:win_Calendar()><img src='http://www.medisurf.com/images/main/ad_calendar.gif' border=0></a>");
document.write("<p style=margin-top:8><a href=Category/category.asp?GENE_NO=G024><img src='http://www.medisurf.com/images/main/ad_humor.gif' border=0></a>");
document.write("</DIV>");

if (isDOM) {
	var divMenu = getRef('divMenu');
		divMenu.style.top = (isNS ? window.pageYOffset : document.body.scrollTop) + 0;
		divMenu.style.visibility = "visible";
		moveRightEdge();
		window.onresize = WindReset;
}