//function showHideDiv(divname, btname) {
function showHideDiv(divname) {
  divinfo = document.getElementById(divname);
  //btshow  = document.getElementById(btname);

  if (divinfo.style.display == "none" || divinfo.style.display == "") {
    divinfo.style.display = "block";
    //btshow.src = "../imagens/seta_down.gif";
  }
  else {
    divinfo.style.display = "none";
    //btshow.src = "../imagens/seta_side.gif";
  }
}