var ultmarcado;

function marca(id){
	var div = document.getElementById("div_"+id);
	var lnk = document.getElementById("lnk_"+id);

	if(ultmarcado == id){
			lnk.className="on";
			div.style.display = "block";
	   }
	   else{
			if(ultmarcado != undefined){
				document.getElementById("div_" + ultmarcado).style.display = "none";
				document.getElementById("lnk_" + ultmarcado).className="";
			}
			lnk.className="on";
			div.style.display = "block";
			ultmarcado = id;
	   }
}


var ultDica;

function abrefechaDica(id){
var div = document.getElementById("div"+id);
var li = document.getElementById("li"+id);

if(ultDica == id){
	if(div.style.display == "none"){
		li.className="on";
		div.style.display = "block";
	}
	else{
		li.className="";
		div.style.display = "none";
	}
}
else{
	if(ultDica != undefined){
		document.getElementById("div" + ultDica).style.display = "none";
		document.getElementById("li" + ultDica).className="";
	}
	li.className="on";
	div.style.display = "block";
	ultDica = id;
}
}