function expandDiv(tahw) {
  what  = tahw + "_menu"
  if (document.getElementById(what).style.display == "none") {
    document.getElementById(what).style.display = "";
    document.getElementById("objectdesktop_tr").style.display = "none";
  } else {
    document.getElementById(what).style.display = "none";
    document.getElementById("objectdesktop_tr").style.display = "";
  }
}