function initializeMenu(menuName) {
	if (document.all && document.getElementById) {
		var node = document.getElementById(menuName);
		setHoverEvents(node);
	}
}

function setHoverEvents(e) {
	if (e) {
		for (var i = 0; i < e.childNodes.length; i ++) {
			var node = e.childNodes[i];

			if (node.nodeName == "LI") {
				node.onmouseover = function() {
					this.className += " over";
				}
				
				node.onmouseout = function() {
					this.className = this.className.replace(" over", "");
				}						
			} 
			
			if (node.childNodes.length > 0) {
				setHoverEvents(node);
			}
		}
	}
}