function menuHover(who) {
	if (document.all&&document.getElementById&&document.getElementsByTagName&&document.getElementById(who)) {
		navRoot=document.getElementById(who);
		for (i=0;i<navRoot.childNodes.length;i++) {
			node=navRoot.childNodes[i];
			if (node.nodeName=="LI") {
				node.onmouseover=function() {this.className+=" over";}
				node.onmouseout=function() {this.className=this.className.replace(" over", "");}
			}
		}
	}
	menuFocus(who);
}

function menuFocus(who) {
	var navLnk=document.getElementById(who).getElementsByTagName("A");
	var navItm=document.getElementById(who).getElementsByTagName("LI");
	for (var n=0;n<navItm.length;n++) {
		if (navItm[n].className!="on") navItm[n].className="y";
	}
	for (var i=0;i<navLnk.length;i++) {
		navLnk[i].onfocus=function() {
			if (this.parentNode.parentNode.id==who) {
				this.parentNode.className+=" over";
			} else {
				this.parentNode.parentNode.parentNode.className+=" over";
			}
		}
		navLnk[i].onblur=function() {
			if (this.parentNode.parentNode.id==who) {
				this.parentNode.className=this.parentNode.className.replace(" over", "");
			} else {
				this.parentNode.parentNode.parentNode.className=this.parentNode.parentNode.parentNode.className.replace(" over", "");
			}
		}
	}
}

sfHover = function() {
	var sfEls = document.getElementById("nav").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);