window.addEvent('domready', function(){
	$$('.tabs-nav li > span').each(function(i) {
		i.addEvent('click', function(event){
			event.stop();
			for (key in i.parentNode.parentNode.childNodes){
				i.parentNode.parentNode.childNodes[key].className = "";
			}
			i.parentNode.className = "active";
		});
	});
});