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);

sfHover = function() {
	var sfEls = document.getElementById("topnav").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);
	
	function display(id) {
		if (document.getElementById(id).style.display == 'block') {
			document.getElementById(id).style.display = 'none';
		} else {
			document.getElementById(id).style.display = 'block';
		}
			return false;
	}

	function display(id) {
		if (document.getElementById(id).style.display == 'block') {
			document.getElementById(id).style.display = 'none';
		} else {
			document.getElementById(id).style.display = 'block';
		}
			return false;
	}