menuList = function() {
	if (document.all && document.getElementById) {
		navRoot = document.getElementById("nav");
		for (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", "");
				}
				
				subItems = node.getElementsByTagName("LI");
					
                for(j=0; j<subItems.length; j++){
                    subNode = subItems[j];
                    subNode.onmouseover = function(){
                        this.className += " over";
                    }
                    subNode.onmouseout = function() {
					    this.className = this.className.replace(" over", "");
				    }
                }
			}
		}
	}
}
window.onload = menuList;