function startList(list_id) {
	if (list_id == null) list_id = 'articles';
	var d = document;

	if (d.all && d.getElementById) {
		navRoot = d.getElementById(list_id);
		if(navRoot){
			for (i = 0; i < navRoot.childNodes.length; i++) {
				node = navRoot.childNodes[i];
				if (node.nodeName == "LI") {
					node.onmouseover = function() {
						this.className += " over";
						this.style.zIndex = 450;
					}
					node.onmouseout = function() {
						this.className = this.className.replace(/ over/, "");
						this.style.zIndex = 0;
					}
				}
			}
		}
	}
}

window.onload = function () {
  startList();
  startList('side_nav_links');
}