var z = 1;

function Abre(x)
{
z ++;
document.getElementById(x).style.display = "block";
document.getElementById(x).style.left = (screen.width - screen.width / 2) - 150 + "px";
document.getElementById(x).style.top = "40px";
document.getElementById(x).style.zIndex = z;
}

function Fecha(x)
{
document.getElementById(x).style.display = "none";
}

function Abre2(x)
{
document.getElementById(x).style.display = "block";
}

function Limpa()
{
document.getElementById('aparencia').style.display = "none";
document.getElementById('conteudo').style.display = "none";
document.getElementById('janela_noticias').style.display = "none";
}