function startList() {
	if ($$("ul.topMenu")) {
		$$("ul.topMenu li").each(
			function(s) {
				s.onmouseover=function() {
				this.addClassName('over');
			}
			s.onmouseout=function() {
				this.removeClassName('over');
			}
		}
	);
	}
}
Event.observe(window, 'load', startList);