// Top navigation navigation
sfHover = function() {
	if (document.getElementById("nav") !== null) {
		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);
// End: Top navigation navigation