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"), "");
	}
	}
	
	
	var sfEls2 = document.getElementById("nav2").getElementsByTagName("LI");
	for (var i=0; i<sfEls2.length; i++) {
	sfEls2[i].onmouseover=function() {
	this.className+=" sfhover";
	}

	sfEls2[i].onmouseout=function() {
	this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
	}
	}
}

if (document.all) { //MS IE
	if (window.attachEvent) window.attachEvent("onload", sfHover);
	else { //IE 5.2 Mac does not support attachEvent
		var old = window.onload;
		window.onload = function() { if (old) old(); sfHover(); }
	}
}