if (detailsText.style.display === 'block') {
        detailsText.style.display = 'none';
      } else {
        detailsText.style.display = 'block';
      }
    }
  }

  function handleKey(e) {
    if (e.keyCode != 13) return;
    setHrefParams(window.location, function (params) {
      params.set('f', search.value);
    });
    e.preventDefault();
  }

  function handleSearch() {