// Courtesy of SimplytheBest.net (http://simplythebest.net/info/dhtml_scripts.html)
<!--
window.onerror = null;
var bName = navigator.appName;
var bVer = parseInt(navigator.appVersion);
var NS4 = (bName == "Netscape" && bVer >= 4);
var IE4 = (bName == "Microsoft Internet Explorer" && bVer >= 4);
var NS3 = (bName == "Netscape" && bVer < 4);
var IE3 = (bName == "Microsoft Internet Explorer" && bVer < 4);
var menuActive = 0
var menuOn = 0
var onLayer
var timeOn = null// LAYER SWITCHING CODE
if (NS4 || IE4) {
if (navigator.appName == "Netscape") {
layerStyleRef="layer.";
layerRef="document.layers";
styleSwitch="";
}else{
layerStyleRef="layer.style.";
layerRef="document.all"; 
styleSwitch=".style";
}
}

// SHOW MENU
function showLayer(layerName){
if (NS4 || IE4) {
if (timeOn != null) {
clearTimeout(timeOn)
hideLayer(onLayer)
}
if (NS4 || IE4) {
eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="visible"');
} 
onLayer = layerName
}
}// HIDE MENU
function hideLayer(layerName){
if (menuActive == 0) {
if (NS4 || IE4) {
eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="hidden"');
}
}
}// TIMER FOR BUTTON MOUSE OUT
function btnTimer() {
timeOn = setTimeout("btnOut()",1000)
}// BUTTON MOUSE OUT
function btnOut(layerName) {
if (menuActive == 0) {
hideLayer(onLayer)
}
}// MENU MOUSE OVER 
function menuOver(itemName) {
clearTimeout(timeOn)
menuActive = 1
}// MENU MOUSE OUT 
function menuOut(itemName) {
menuActive = 0 
timeOn = setTimeout("hideLayer(onLayer)", 400)
}
// -->