startList = function() {
if (document.all && document.getElementById) {
	var navRoot = document.getElementById("nav");
	for (var i = 0; i < navRoot.childNodes.length; i++) {
		node = navRoot.childNodes[i];
			if (node.nodeName == "LI") {
				node.onmouseover = function() {
					this.className += " over";
				}
				node.onmouseout = function() {
					this.className = this.className.replace(" over", "");
				}
		}
}
}
};

//call the startList function
window.onload = startList;