new Event.observe(window,"load", function(ev) {
	$$(".category").invoke("observe","click",function(ev) {
		$$(".category").each(function(el) { el.removeClassName("selected"); });
		el = ev.element();
		el.addClassName("selected");
		new Ajax.Updater("results","http://www.russellmackenna.com/modules/faqs/get-category.php?category=" + el.readAttribute("name"));
	});
});