function msgbox_ok(obj) {
  hidemessagebox();
}

function showmessagebox(text) {
  //document.getElementById("waiting").style.visibility = "hidden";
  var vwis = document.getElementById("messagebox").style.visibility;
  document.getElementById("messagebox").style.visibility = "visible";
  document.getElementById("messagebox").style.display = "block";
  document.getElementById("messagebox").style.zIndex = "200";
  if (text != null) {
    document.getElementById("msgbox_insert").innerHTML = text;
  }  else {
  }
  if (vwis != "visible") center_win("body","messagebox");
  
}

function hidemessagebox() {

  document.getElementById("messagebox").style.visibility = "hidden";
  document.getElementById("messagebox").style.display = "none";
}