window.addEvent('domready', function() {	
var collapse = $$('div.categories li.less');	
	collapse.each(function(e) {
		var sub = e.childNodes[2];
		var toggle = new Fx.Slide(sub);
		e.addEvent('click', function(ef) {
			ef = new Event(ef);
			toggle.toggle();
			if(e.className=="more")
			{
				e.className = "less";
			}
			else
			{
				e.className = "more";
			}
			ef.stop();
		});
	});
});