function togglevisibility(mon_element)
{
 if (document.getElementById)
  {
    visi = (document.getElementById(mon_element).style.visibility == 'visible') ? 'hidden' : 'visible';
    document.getElementById(mon_element).style.visibility = visi;
  }
}

function toggledisplay(mon_element)
{
 if (document.getElementById)
  {
    disp = (document.getElementById(mon_element).style.display == 'block') ? 'none' : 'block';
    document.getElementById(mon_element).style.display = disp;
  }
}

function bookmarksite(){
  if (document.all)
  window.external.AddFavorite(location.href, document.title);
  else if (window.sidebar)
  window.sidebar.addPanel(document.title, location.href, "")
}