function toggleList(sId)
{
  if (document.getElementById)
  {
    var oList = document.getElementById(sId);
    if (oList.style.display == 'inline')
      oList.style.display = 'none';
    else
      oList.style.display = 'inline';
  }
  else
    alert('Please, download a more recent browser.\nThis will improve your online experience tremendously.');
}