var browser = navigator.appName;
if (browser == "Netscape") { browser = "nn"; }
else if (browser == "Microsoft Internet Explorer") { browser = "ie"; }

function lon(obj) { if (browser == "ie") obj.style.backgroundColor = "#00FF00"; }
function loff(obj) { if (browser == "ie") obj.style.backgroundColor = "#FFFFFF"; }

function toggleMenu() {
	menu = document.getElementById("dropDownMenu");
	if (menu && menu.style.visibility && menu.style.visibility == "visible") {
		menu.style.visibility = "hidden";
	} else {
		menu.style.visibility = "visible";
	}
}

function hideMenu() {
	menu = document.getElementById("popUpMenuContainer");
	if (menu && menu.style.visibility) {
		menu.style.visibility = "hidden";
	}
}

function showMenu() {
	menu = document.getElementById("popUpMenuContainer");
	if (menu && menu.style.visibility) {
		menu.style.visibility = "visible";
	}
}

function linkto(dest) {
	document.location.href = dest;
}

function hideElementById(elementId) {
	menu = document.getElementById(elementId);
	menu.style.visibility = "hidden";
}

function rollover(img, url) {
	img.src = url;	
}