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);


/* Google Analytics */
function ga_track_event(category, action, label) {
	try {
		pageTracker._trackEvent(category, action, label);
	} catch(err) {}
	
	var ga_event = {
		category: category,
		action: action,
		label: label
	}
	//console.log(ga_event);
}