startList = function() {
	var elements = $('navigation-list').childNodes;
	for(i=0; i<elements.length; i++) {
		if(elements[i].nodeName == "LI") {
			elements[i].onmouseover = function() {
				this.className = "over";
			}
			elements[i].onmouseout = function() {
				this.className = "";
			}
		}
	}
}

window.onload = startList;