function toggle_wait()
{
  return false;
}

function toggle_visibility(id)
{
  var e = _ge(id);

  if (e)
  {
    e.style.visibility = e.style.visibility != 'visible' ? 'visible' : 'hidden';
  }
}

/* popup */

function ad_popup(uri)
{
  window.open(uri,'','width=700,height=400,left=200,top=200');
}

function ad_popunder(uri)
{
  window.open(uri,'','width=700,height=400,left=200,top=200').blur();
  window.focus();
}