Event.observe(window, 'load', function() {
	$$('#nav li, #helpmenu, #adminmenu, #documentationmenu').each(function(el){
		el.onmouseover=function() {
			this.addClassName("sfhover");
		};
		el.onmouseout=function() {
			this.removeClassName("sfhover");
		};
	});
});