// JavaScript Document

function mostrar(id){ 
document.getElementById('overHome').style.visibility="hidden";
document.getElementById('overPerfil').style.visibility="hidden";
document.getElementById('overAtuacao').style.visibility="hidden";
document.getElementById('overWeb').style.visibility="hidden";
document.getElementById('overBranding').style.visibility="hidden";
document.getElementById('overContato').style.visibility="hidden";
document.getElementById(id).style.visibility="visible";

} 
function ocultar(id){ 
document.getElementById(id).style.visibility="hidden";
}