function gn_toggle_fold(attribute_id)
{
  fold_element = $('gn-attribute-' + attribute_id);
  link_element = $('gn-link-' + attribute_id);
  ellipsis = $('gn-ellipsis-' + attribute_id);
  
  if (fold_element.visible())
  {
    Effect.SlideUp(fold_element, { duration: 0.8 });
    link_element.innerHTML = 'show more';
    ellipsis.show();
  }
  else
  {
    Effect.SlideDown(fold_element, { duration: 0.8 });
    link_element.innerHTML = 'show less';
    ellipsis.hide();
  }
}