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