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        if (el.innerHTML.toLowerCase().indexOf('warning') !== -1) {
          addClass(el, 'warning');
          el.innerHTML = el.innerHTML.replace('Warning', '<strong>Warning</strong>')
        } else if (el.innerHTML.toLowerCase().indexOf('new as of') !== -1) {
          addClass(el, 'new-as-of');
        } else if (el.innerHTML.toLowerCase().indexOf('not yet released') !== -1) {
          addClass(el, 'not-yet-released');
        }
      });
      Array.prototype.forEach.call(classNames, function (className, i) {
        Array.prototype.forEach.call(tables, function (el, i) {
          addClass(el, className);
        });
      });

      var addLanguageLabel = function (el, language) {
        var labelWrapper = document.createElement('div'),
            label = document.createElement('div');

        labelWrapper.setAttribute('class', 'highlight-show-language');
        label.setAttribute('class', 'highlight-show-language-label');
        label.appendChild(document.createTextNode(language));
        labelWrapper.appendChild(label);
        el.insertBefore(labelWrapper, el.firstChild);
      };

      var highlightElements = document.querySelectorAll('pre');
      Array.prototype.forEach.call(highlightElements, function(el, i) {
        var language = languageClass(el.parentElement);
        if (typeof (language) === 'undefined') {
          return;
        }

        addLanguageLabel(el.parentElement, language);

        var nextEl = el.parentElement.nextElementSibling;
        if (nextEl !== null && nextEl.nodeName.toLowerCase() === 'pre') {
          var wrapper = document.createElement('div');
          wrapper.setAttribute('class', 'highlight-output');
          wrapper.wrap(nextEl);
          addLanguageLabel(wrapper, 'output');
          addClass(el, 'highlight-has-output');
        }
      });

      addListener(currentVersionEl, 'click', function() {
        if (hasClass(versionContainer, 'shift-up')) {
          removeClass(versionContainer, 'shift-up');
        } else {
          addClass(versionContainer, 'shift-up');
        }
      });

      var range = function(start, count) {
        return Array.apply(0, Array(count))
                    .map(function (element, index) {
                             return index + start;
                         });
      }

      var parseVersions = function(version, versions) {
        var pieces = version.split('.'),
            prefix = pieces.slice(0, 2).join('.') + '.',
            maxPatchVersion = parseInt(pieces.slice(2, 3)[0], 10),
            versionRange = range(0, maxPatchVersion + 1);

        for (var i in versionRange) {
          versions.push(prefix.concat(versionRange[i]));
        }
        return versions;
      }

      var addVersionLink = function(version) {
        var a = document.createElement('a'),
                dd = document.createElement('dd'),
                ref = 'dokku~v' + version,
                versionName = 'v' + version;
        if (version == 'master') {
          ref = 'dokku';
          versionName = 'master';
        }

        a.setAttribute('href', '/' + ref + '/' + localPath);
        a.appendChild(document.createTextNode(versionName));
        if (versionName == currentVersion) {
          var strong = document.createElement('strong');
          strong.appendChild(a);
          dd.appendChild(strong);
        } else {
          dd.appendChild(a);
        }
        versionList.appendChild(dd);
      };

      var processVersions = function(data) {
        var versions = [];
        for (var key in data['max-versions']) {
          if (!data['max-versions'].hasOwnProperty(key)) {
            continue;
          }

          versions = parseVersions(data['max-versions'][key], versions);
        }

        addVersionLink('master');
        versions.reverse();
        Array.prototype.forEach.call(versions, function (version, i) {
          addVersionLink(version);
        });
      };

      if (currentVersion === 'master') {
        document.querySelectorAll('.dev-warning')[0].style.position = 'relative';
        Array.prototype.forEach.call(document.querySelectorAll('.dev-warning'), function (el, i) {
          el.style.display = '';
        });
      }

      data = ls2.load('max-versions');
      if (!data) {
        var request = new XMLHttpRequest();
        request.open('GET', '/dokku/assets/versions.json', true);
        request.setRequestHeader('Cache-Control', 'no-cache, no-store');

        request.onload = function() {
          if (request.status >= 200 && request.status < 400) {
            var data = JSON.parse(request.responseText);
            // store for 1 day
            ls2.save('max-versions', data, 86400);
            processVersions(data);
          }
        };

        request.onerror = function() {
          // There was a connection error of some sort
        };

        request.send();
      } else {
        processVersions(data);
      }
    });
    </script>
  </body>
</html>
