function toggle(object) {
  if (document.getElementById) {
    if (document.getElementById(object).style.display == 'block')
      document.getElementById(object).style.display = 'none';
    else
      document.getElementById(object).style.display = 'block';
  }

  else if (document.layers && document.layers[object] != null) {
    if (document.layers[object].display == 'block' ||
        document.layers[object].display == 'show' )
      document.layers[object].display = 'none';
    else
      document.layers[object].display = 'block';
  }

  else if (document.all) {
    if (document.all[object].style.display == 'block')
      document.all[object].style.display = 'none';
    else
      document.all[object].style.display = 'block';
  }

  return false;
}

function hide(object) {
  if (document.getElementById) {
      document.getElementById(object).style.display = 'none';
  }
  else if (document.layers && document.layers[object] != null) {
      document.layers[object].display = 'none';
  }
  else if (document.all) {
      document.all[object].style.display = 'none';
  }
  return false;
}


function show(object) {
  if (document.getElementById) {
      document.getElementById(object).style.display = 'block';
  }
  else if (document.layers && document.layers[object] != null) {
      document.layers[object].display = 'block';
  }
  else if (document.all) {
      document.all[object].style.display = 'block';
  }
  return false;
}