new function(){
	var s = 0;
	ge("barra").onclick = function(){
		this.className = "ocultar" + (s + 1 & 1 ? " mostrar" : "");
		ge("sitemap").style.display = (++s & 1 ? "none" : "");
		ge("think4").className = "" + (s + 1 & 1 ? "" : "think4");
	}
}