sfHover = function() {
	var sfEls = document.getElementById("tbNav").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 afEls = document.getElementById("aboutNav").getElementsByTagName("LI");
	for (var i=0; i<afEls.length; i++) {
		afEls[i].onmouseover=function() {
			this.className+=" sfHover";
		}
		afEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfHover\\b"), "");
		}
	}
	var bfEls = document.getElementById("giveNav").getElementsByTagName("LI");
	for (var i=0; i<bfEls.length; i++) {
		bfEls[i].onmouseover=function() {
			this.className+=" sfHover";
		}
		bfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfHover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);