// JavaScript Document

window.addEvent("load", function(){
								 
		var expandiveis = $$('#menu li.expandivel');
		
		for(var i=0; i<expandiveis.length; i++){
			var li = expandiveis[i];
			var a = li.getElementsByTagName("a")[0];
			a.onclick = expandir;
			a.href = "#";
			var slide = new Fx.Slide(li.getElement('ul'), {
					duration: 500,
					onComplete: mudarSeta
				});
			a.slideFx = slide;
			if(li.getElements('li.activo').length == 0)
				a.slideFx.hide();
			else
				mudarSeta(li);
		}
	}
);

function expandir(elem){
	this.slideFx.toggle();
	return false;
}

function mudarSeta(elem){
	var li = elem;
	while(li.nodeName.toLowerCase() != "li")
		li = li.parentNode;
	li.toggleClass("aberto");
	/*alert(elem.nodeName);
	alert(elem.className);*/
}