Copie o código abaixo e cole-o em suas páginas, nessa mesma ordem.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Untitled Document
</title>
<style type="text/css">
.tdl {
font-family: Arial, Helvetica, sans-serif;
font-size:9pt;
text-decoration: none;
color: #FF9900
}
.tdl:hover {
font-family: Arial, Helvetica, sans-serif;
font-size: 9pt;
text-decoration: none;
color: #FF0033
}
.tdl:visited {
font-family: Arial, Helvetica, sans-serif;
font-size: 9pt;
text-decoration: none;
color: #FF9900
}
</style>
</head>
<body>
<div id="menum" style="position:absolute; display:none; left:0px; top:10px; z-index:2;">
<table width="130" cellpadding="0" border="1" bgcolor="#009900" cellspacing="0" bordercolor="#666666">
<tr><td onmouseover="mudacor(this,tdOverColor)" onmouseout="mudacor(this,tdOutColor)"><b> <a href="http://www.link1.com.br" class=tdl>Opção 1
</a></b></td></tr>
<tr><td onmouseover="mudacor(this,tdOverColor)" onmouseout="mudacor(this,tdOutColor)"><b> <a href="http://www.link2.com.br" class=tdl>Opção 2
</a></b></td></tr>
<tr><td onmouseover="mudacor(this,tdOverColor)" onmouseout="mudacor(this,tdOutColor)"><b> <a href="http://www.link3.com.br" class=tdl>Opção 3
</a></b></td></tr>
<tr><td onmouseover="mudacor(this,tdOverColor)" onmouseout="mudacor(this,tdOutColor)"><b> <a href="http://www.link4.com.br" class=tdl>Opção 4
</a></b></td></tr>
<tr><td onmouseover="mudacor(this,tdOverColor)" onmouseout="mudacor(this,tdOutColor)"><b> <a href="http://www.link5.com.br" class=tdl>Opção 5
</a></b></td></tr>
</table>
</div>
<script>
menu = "off";
var tdOutColor = "#009900";
var tdOverColor = "#33CC00";
var x, y, b, xx, yy;
adjX = 165;
adjY = 285;
if (document.layers){
adjX += 10;
adjY += 10
}
frameAdjust = (-130);
sW = (screen.width - adjX);
if (document.all) {
sW += frameAdjust;
}
sH = (screen.height - adjY);
var isNav = (navigator.appName.indexOf("Netscape") !=-1);
if (isNav) {
document.captureEvents(Event.MOUSEMOVE | Event.MOUSEUP);
}
document.onmousemove = handlerMM;
document.onmouseup = handlerMU;
checabrowser();
function checabrowser(){
var x = navigator.appVersion;
y = x.substring(0,4);
if (y >= 4) {
setVariables();
}
}
function setVariables(){
if (navigator.appName == "Netscape" || navigator.appName == "Microsoft Internet Explorer") {
h = ".left=";
v = ".top=";
dS = "document.";
sD = "";
iW = "window.iWidth";
iH = "window.iHeight";
osX = "window.pageXOffset";
osY = "window.pageYOffset";
document.getElementById('menum').style.display = "none";
} else{
h = ".pixelLeft=";
v = ".pixelTop=";
dS = "";
sD = ".style";
iW = "document.body.clientWidth";
iH = "document.body.clientHeight";
osX = "document.body.scrollLeft";
osY = "document.body.scrollTop";
}
}
function popLayer(){
if (b==1){
if (menu == "off") {
menu = "on";
yy = (eval(osY) + y);
xx = (eval(osX) + x);
if (document.all) {
if (xx > (sW + eval(osX))) {
xx -= 155;
}
if (yy > (sH + eval(osY))) {
yy -= 100;
}
}
}
if (document.layers) {
if (x > (sW + eval(osX))) {
xx -= 155;
}
if (y > (sH + eval(osY))) {
yy -= 100;
}
}
aX = "x: " + x + ", xx: " + xx + ", sW: " + sW + ", iW: " + eval(iW);
aY = "y: " + y + ", yy: " + yy + ", sH: " + sH + ", osY: " + eval(osY);
if (isNav) {
document.getElementById('menum').left = (xx - eval(osX));
document.getElementById('menum').top = (yy - eval(osY));
document.getElementById('menum').style.display = "block";
} else {
if ((x > eval(iW)) || (y > eval(iH))) {
menu = "off";
} else{
menum.style.pixelLeft = xx;
menum.style.pixelTop = yy;
menum.style.display = "block";
}
}
} else {
if (document.layers) {
hideMenu()
}
if (document.all) {
if ((x > eval(iW)) || (y > eval(iH))) {
menu = "on";
} else {
hideMenu();
}
}
}
}
function hideMenu() {
menu = "off";
if (isNav) {
document.getElementById('menum').style.display = "none";
} else {
menum.style.display = "hidden";
}
}
function handlerMM(e) {
x = (isNav) ? e.pageX : event.clientX;
y = (isNav) ? e.pageY : event.clientY;
}
function handlerMU(e){
xx = (isNav) ? e.pageX : event.clientX;
yy = (isNav) ? e.pageY : event.clientY;
b = (isNav) ? e.which : event.button;
popLayer();
}
function mudacor(prmThis, prmColor) {
if ((window.document.all) || (window.document.getElementById)) {
prmThis.style.backgroundColor = prmColor;
} else if (window.document.layers) {
prmThis.bgColor = prmColor;
}
}
</script>
</body>
</html>