function MostraTratamentoImagem(whichpic) {
  if (document.getElementById) {
    document.getElementById('mostraimagemgrande').src = whichpic.href;
    return false;
  } else {
  return true;
  }
}

var previousToggle=null;
function toggleMe(a){
  var e=document.getElementById(a);
  if(!e)return true;
  if(e.style.display=="none"){
    e.style.display="block";
    if(previousToggle)previousToggle.style.display="none";
    previousToggle=e;
  }
  return true;
}