navHover = function() {
							var lis = document.getElementById("navbar").getElementsByTagName("LI");
							for (var i=0; i<lis.length; i++) {
								lis[i].onmouseover=function() {
									this.className+=" sfhover";
								}
								lis[i].onmouseout=function() {
									this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
								}
							}
						}
						if (window.attachEvent) window.attachEvent("onload", navHover);