(function() {
	
	function dropDown (el) {
		var ul = el.down('ul')
		
		el.observe("mouseover", function() {
			ul.show();
		});
		
		el.observe("mouseout", function() {
			ul.hide();
		});
	}
	
	function showSection (el) {
		var hidden = el.next('ul');
		
		el.observe("click", function(event) {
			Effect.toggle(hidden, 'appear', {duration: 0.7});
			event.preventDefault();
		});
	}
	
	function init () {
		$$("ul.subnav").invoke('hide');
		$$("li.subnav_container").each(dropDown);
		$$("ul.buttons_list li > ul").invoke("hide");
		$$("ul.buttons_list li > ul").first().show();
		$$("ul.buttons_list li a").each(showSection);
		$$("ul.links li:nth-child(odd)").invoke("addClassName", "alt");
	}
	
	document.observe("dom:loaded", init);
	
})();