function tag_details()
{
  if ($('#extended_tags').css('display') == 'none')
  {
    $('#basic_tags').hide();
    $('#extended_tags').slideDown('slow');
    $('#tag_details_link').attr('innerHTML', 'show less detail');
  }
  else
  {
    $('#extended_tags').hide();
    $('#basic_tags').show();
    $('#tag_details_link').attr('innerHTML', 'show more detail');
  }
}