diff --git a/jekyll-assets/_includes/head.html b/jekyll-assets/_includes/head.html
index d604f5bc0..4f4896390 100644
--- a/jekyll-assets/_includes/head.html
+++ b/jekyll-assets/_includes/head.html
@@ -21,7 +21,6 @@
 <link rel="stylesheet" href="{{ site.baseurl }}/css/asciidoctor-tabs.css?ver={{ site.time | date: '%s' }}">
 <link rel="stylesheet" href="{{ site.baseurl }}/css/syntax-highlighting.css?ver={{ site.time | date: '%s' }}">
 <link rel="stylesheet" href="{{ site.baseurl }}/css/tocbot.css?ver={{ site.time | date: '%s' }}">
-<script type="text/javascript" src="{{ site.baseurl }}/scripts/theme.js?ver={{ site.time | date: '%s' }}"></script>
 <script type="text/javascript" src="{{ site.baseurl }}/scripts/tocbot.js?ver={{ site.time | date: '%s' }}"></script>
 <script type="text/javascript" src="{{ site.baseurl }}/scripts/toc.js?ver={{ site.time | date: '%s' }}"></script>
 <script async src="https://www.googletagmanager.com/gtag/js?id=G-V8TFXM3BKJ"></script>
diff --git a/jekyll-assets/_layouts/docs.html b/jekyll-assets/_layouts/docs.html
index 7ea9e79af..9fb8bbb53 100644
--- a/jekyll-assets/_layouts/docs.html
+++ b/jekyll-assets/_layouts/docs.html
@@ -25,25 +25,14 @@ <h1 id="docs-header-title">
           </div>
           <div class="toc">
           {% for subdir in site.data.nav %}
-          {% if subdir.toc[0] %}
             <ul class="sectlevel1">
-              <input class="toc-toggle-box" type="checkbox" id="{{ subdir.path }}"
-                {% if page.url contains subdir.path %}
-                checked=true
-                {% endif %}
-              />
+              <input class="toc-toggle-box" type="checkbox" id="{{ subdir.path }}" {% if page.url contains subdir.path %}checked{% endif %} />
               <li>
                 <span>
                   <label class="toc-toggle" for="{{ subdir.path }}" onclick="event.stopPropagation()">
                     <div class="toc-toggle-container">
                       <a class="level1" href="{{ site.baseurl }}{{ subdir.path }}">
-                        <a title="expand {{ item.title | markdownify }}"
-                          {% if page.url contains subdir.path %}
-                          class="bold toc-item"
-                          {% else %}
-                          class="toc-item"
-                          {% endif %}
-                        >
+                        <a title="expand {{ item.title | markdownify }}" class="{% if page.url contains subdir.path %}bold {% endif %}toc-item">
                           {{ subdir.title | markdownify }}
                         </a>
                       </a>
@@ -52,126 +41,55 @@ <h1 id="docs-header-title">
                 </span>
               </li>
               {% for item in subdir.toc %}
-              <div class="itemcontents">
-                <ul class="sectlevel1">
-                  <input class="toc-toggle-box" type="checkbox" id="{{ item.path }}"
-                    {% if page.url contains item.path %}
-                    checked=true
-                    {% endif %}
-                  />
-                  <li>
-                    <span>
-                      <label class="toc-toggle" for="{{ item.path }}">
-                        <div class="toc-toggle-container">
-                          <a class="level2" href="{{ site.baseurl }}{{ item.path }}">
-                            <a title="expand {{ item.title | strip_html }}"
-                              {% if page.url contains item.path %}
-                              class="bold toc-item"
-                              {% else %}
-                              class="toc-item" 
-                              {% endif %}
-                            >
-                            {{ item.title | markdownify }}
-                            </a>
-                          </a>
-                        </div>
-                      </label>
-                    </span>
-                  </li>
-                  {% if item.sections[0] %}
-                  {% for entry in item.sections %}
-                  <div class="itemcontents">
-                    <ul class="sectlevel1">
-                      <input class="toc-toggle-box" type="checkbox" id="{{ item.path }}#{{ entry.anchor }}"
-                        {% if endcapture contains entry.anchor %}
-                        checked=true
-                        {% endif %}
-                      />
-                      <li>
-                        <span>
-                          <label class="toc-toggle"
-                            {% if entry.subsections[0] %}
-                            for="{{ item.path }}#{{ entry.anchor }}"
-                            {% else %}
-                            {% endif %}>
-                            <div class="toc-toggle-container">
-                              {% if entry.subsections[0] %}
-                              <a class="level3">
-                                <a
-                                  id="{{ item.path }}#{{entry.anchor}}-toc"
-                                  href="{{ site.baseurl }}{{ item.path }}#{{ entry.anchor }}"
-                                  class="toc-item"
-                                  onclick="document.getElementById('mobile-toggle').checked = false; updateCurrentToc('{{ item.path }}#{{ entry.anchor }}-toc', '{{ item.path }}#{{ entry.anchor }}');"
-                                  title="expand {{ entry.heading | strip_html }}"
-                                >
-                                <script type="text/javascript">if (window.location.hash == '#{{ entry.anchor }}' && window.location.href.includes('{{ item.path }}')) initialiseCurrentToc('{{ item.path }}#{{entry.anchor}}-toc', '{{ item.path }}#{{ entry.anchor }}');
-                                </script>
-                                  {{ entry.heading | markdownify }}
-                                </a>
+                <div class="itemcontents">
+                  <ul class="sectlevel1">
+                    <input class="toc-toggle-box" type="checkbox" id="{{ item.path }}" {% if page.url contains item.path %}checked{% endif %} />
+                    <li>
+                      <span>
+                        <label class="toc-toggle" for="{{ item.path }}">
+                          <div class="toc-toggle-container">
+                            <a class="level2" href="{{ site.baseurl }}{{ item.path }}">
+                              <a title="expand {{ item.title | strip_html }}" class="{% if page.url contains item.path %}bold {% endif %}toc-item">
+                                {{ item.title | markdownify }}
                               </a>
-                              {% else %}
-                              <a class="level3">
-                                <a id="{{ item.path }}#{{entry.anchor}}-toc"
-                                  title="expand {{ entry.heading | strip_html }}"
-                                  href="{{ site.baseurl }}{{ item.path }}#{{ entry.anchor }}"
-                                  onclick="document.getElementById('mobile-toggle').checked = false; updateCurrentToc('{{ item.path }}#{{ entry.anchor }}-toc');"
-                                  class="toc-item no-dropdown"
-                                  >
-                                  <script type="text/javascript">if (window.location.hash == '#{{ entry.anchor }}' && window.location.href.includes('{{ item.path }}'))
-                                    initialiseCurrentToc('{{ item.path }}#{{entry.anchor}}-toc');
-                                  </script>
-                                  {{ entry.heading | markdownify }}
+                            </a>
+                          </div>
+                        </label>
+                      </span>
+                    </li>
+                    {% for entry in item.sections %}
+                    <div class="itemcontents">
+                      <ul class="sectlevel1">
+                        <li>
+                          <span>
+                            <label class="toc-toggle">
+                              <div class="toc-toggle-container">
+                                <a class="level3">
+                                  <a
+                                    href="{{ site.baseurl }}{{ item.path }}#{{ entry.anchor }}"
+                                    onclick="document.getElementById('mobile-toggle').checked = false"
+                                    class="toc-item no-dropdown"
+                                    >
+                                    {{ entry.heading | markdownify }}
+                                  </a>
                                 </a>
-                              </a>
-                              {% endif %}
-                            </div>
-                          </label>
-                        </span>
-                      </li>
-                      {% if entry.subsections[0] %}
-                      {% for subentry in entry.subsections %}
-                      <div class="itemcontents">
-                        <ul class="sectlevel1">
-                          <li>
-                            <span>
-                              <label class="toc-toggle">
-                                <div class="toc-toggle-container">
-                                    <a class="level4">
-                                      <a class="toc-item no-dropdown"
-                                        href="{{ site.baseurl }}{{ item.path }}#{{ subentry.anchor }}"
-                                        onclick="document.getElementById('mobile-toggle').checked = false; updateCurrentToc('{{ item.path }}#{{ entry.anchor }}-toc', '{{ item.path }}#{{ entry.anchor }}', '{{ item.path }}#{{ subentry.anchor }}-toc');"
-                                        id="{{ item.path }}#{{subentry.anchor}}-toc"
-                                      >
-                                      <script type="text/javascript">if (window.location.hash == '#{{ subentry.anchor }}' && window.location.href.includes('{{ item.path }}')) initialiseCurrentToc('{{ item.path }}#{{ entry.anchor }}-toc', '{{ item.path }}#{{ entry.anchor }}', '{{ item.path }}#{{ subentry.anchor }}-toc');
-                                      </script>
-                                        {{ subentry.heading | markdownify }}
-                                      </a>
-                                    </a>
-                                  </div>
-                              </label>
-                            </span>
-                          </li>
-                        </ul>
-                      </div>
-                      {% endfor %}
-                      {% endif %}
-                    </ul>
-                  </div>
+                              </div>
+                            </label>
+                          </span>
+                        </li>
+                      </ul>
+                    </div>
                   {% endfor %}
-                  {% endif %}
                 </ul>
               </div>
               {% endfor %}
             </ul>
-            {% endif %}
-            {% endfor %}
-          
+          {% endfor %}
+
             <ul class="sectlevel1">
-              <input class="toc-toggle-box" type="checkbox" id="datasheets"
-              />
               <li>
                 <span>
-                  <label class="toc-toggle" for="{{ subdir.path }}">
+                  <label class="toc-toggle">
                     <div class="toc-toggle-container">
                       <a class="level1">
                         <a title="PDF documentation" class="toc-item no-dropdown" href="https://datasheets.raspberrypi.com/" target="_blank">
@@ -185,11 +103,9 @@ <h1 id="docs-header-title">
             </ul>
 
             <ul class="sectlevel1">
-              <input class="toc-toggle-box" type="checkbox" id="pip"
-              />
               <li>
                 <span>
-                  <label class="toc-toggle" for="{{ subdir.path }}">
+                  <label class="toc-toggle">
                     <div class="toc-toggle-container">
                       <a class="level1">
                         <a title="Raspberry Pi compliance documents" class="toc-item no-dropdown" href="https://pip.raspberrypi.com/" target="_blank">
@@ -203,11 +119,9 @@ <h1 id="docs-header-title">
             </ul>
 
             <ul class="sectlevel1">
-              <input class="toc-toggle-box" type="checkbox" id="tutorials"
-              />
               <li>
                 <span>
-                  <label class="toc-toggle" for="{{ subdir.path }}">
+                  <label class="toc-toggle">
                     <div class="toc-toggle-container">
                       <a class="level1">
                         <a title="Hands-on hardware and software tutorials" class="toc-item no-dropdown" href="https://www.raspberrypi.com/tutorials/" target="_blank">
@@ -221,11 +135,9 @@ <h1 id="docs-header-title">
             </ul>
 
             <ul class="sectlevel1">
-              <input class="toc-toggle-box" type="checkbox" id="forums"
-              />
               <li>
                 <span>
-                  <label class="toc-toggle" for="{{ subdir.path }}">
+                  <label class="toc-toggle">
                     <div class="toc-toggle-container">
                       <a class="level1">
                         <a title="User and product support forums" class="toc-item no-dropdown" href="https://forums.raspberrypi.com" target="_blank">
diff --git a/jekyll-assets/scripts/toc.js b/jekyll-assets/scripts/toc.js
index b0afa2017..562cd53e2 100644
--- a/jekyll-assets/scripts/toc.js
+++ b/jekyll-assets/scripts/toc.js
@@ -34,65 +34,3 @@ function makeToc() {
         handleTocOnResize();
     }
 }
-
-var currentParentID;
-var currentParentInputID;
-var currentChildID;
-
-function initialiseCurrentToc(parentID, parentInputID = null, childID = null) {
-    // highlight the new parent
-    var newParent = document.getElementById(parentID);
-    newParent.setAttribute('style', 'font-weight:bold');
-    currentParentID = parentID;
-
-    // if a parent input id is specified, expand the parent element
-    if (parentInputID) {
-        var newParentInput = document.getElementById(parentInputID);
-        newParentInput.click();
-        currentParentInputID = parentInputID;
-    }
-
-    // if a child is specified, highlight the child
-    if (childID) {
-        var newChild = document.getElementById(childID);
-        newChild.setAttribute('style', 'font-weight:bold');
-        currentChildID = childID;
-    }
-}
-
-function updateCurrentToc(parentID, parentInputID = null, childID = null) {
-    if (currentParentID == null && currentChildID == null) {
-        initialiseCurrentToc(parentID, parentInputID, childID)
-    } else {
-        // if a parent input id is specified, but no child, expand the parent element
-        // why no child? because if someone clicks the child within a parent, they don't want the parent section to collapse!
-        if (parentInputID && childID == null) {
-            var newParentInput = document.getElementById(parentInputID);
-            newParentInput.click();
-            currentParentInputID = parentInputID;
-        }
-
-        // if this is a new parent id, de-highlight the old parent and highlight the new one
-        if (currentParentID != parentID) {
-            var oldParent = document.getElementById(currentParentID);
-            oldParent.style.removeProperty('font-weight');
-            var newParent = document.getElementById(parentID);
-            newParent.setAttribute('style', 'font-weight:bold');
-            currentParentID = parentID;
-        }
-
-        // if there is an old child highlighted, un-highlight it
-        if (currentChildID) {
-            var oldChild = document.getElementById(currentChildID);
-            oldChild.style.removeProperty('font-weight');
-        }
-
-        // if there is a new child, highlight it
-        if (childID != null) {
-            var newChild = document.getElementById(childID);
-
-            newChild.setAttribute('style', 'font-weight:bold');
-        }
-        currentChildID = childID;
-    }
-}
\ No newline at end of file
diff --git a/scripts/create_nav.py b/scripts/create_nav.py
index df0d9a580..6e3f0bec9 100755
--- a/scripts/create_nav.py
+++ b/scripts/create_nav.py
@@ -122,33 +122,37 @@ def read_file_with_includes(filepath, filelevel, mainfile, output_dir=None):
                             if m:
                                 header_id = m.group(1)
                             else:
-                                m = re.match(r'^\[(.*)\]\s*$', line)
+                                m = re.match(r'^\[#(.+?)(?:,.*?)\]\s*$', line)
                                 if m:
-                                    attrs = m.group(1).split(',')
-                                    last_line_was_discrete = 'discrete' in attrs
-                                    header_id = None
+                                    header_id = m.group(1)
                                 else:
-                                    m = re.match(r'^(=+)\s+(.+?)\s*$', line)
+                                    m = re.match(r'^\[(.*)\]\s*$', line)
                                     if m:
-                                        newlevel = len(m.group(1))
-                                        # Need to compute anchors for *every* header (updates file_headings)
-                                        heading = strip_adoc(m.group(2))
-                                        heading = re.sub(r"(\[\.contexttag )(\S+)(\]\*\S+\*)", "<strong class=\"contexttag \\2\">\\2</strong>", heading)
-                                        anchor = heading_to_anchor(top_level_file, heading, header_id)
-                                        if anchor in available_anchors[fullpath]:
-                                            raise Exception("Anchor {} appears twice in {}".format(anchor, fullpath))
-                                        available_anchors[fullpath].add(anchor)
-                                        if min_level <= newlevel <= max_level and not last_line_was_discrete:
-                                            entry = {'heading': heading, 'anchor': anchor}
-                                            if newlevel > level:
-                                                nav[-1]['sections'][-1]['subsections'] = []
-                                            level = newlevel
-                                            if level == 2:
-                                                nav[-1]['sections'].append(entry)
-                                            elif level == 3:
-                                                nav[-1]['sections'][-1]['subsections'].append(entry)
-                                    last_line_was_discrete = False
-                                    header_id = None
+                                        attrs = m.group(1).split(',')
+                                        last_line_was_discrete = 'discrete' in attrs
+                                        header_id = None
+                                    else:
+                                        m = re.match(r'^(=+)\s+(.+?)\s*$', line)
+                                        if m:
+                                            newlevel = len(m.group(1))
+                                            # Need to compute anchors for *every* header (updates file_headings)
+                                            heading = strip_adoc(m.group(2))
+                                            heading = re.sub(r"(\[\.contexttag )(\S+)(\]\*\S+\*)", "<strong class=\"contexttag \\2\">\\2</strong>", heading)
+                                            anchor = heading_to_anchor(top_level_file, heading, header_id)
+                                            if anchor in available_anchors[fullpath]:
+                                                raise Exception("Anchor {} appears twice in {}".format(anchor, fullpath))
+                                            available_anchors[fullpath].add(anchor)
+                                            if min_level <= newlevel <= max_level and not last_line_was_discrete:
+                                                entry = {'heading': heading, 'anchor': anchor}
+                                                if newlevel > level:
+                                                    nav[-1]['sections'][-1]['subsections'] = []
+                                                level = newlevel
+                                                if level == 2:
+                                                    nav[-1]['sections'].append(entry)
+                                                elif level == 3:
+                                                    nav[-1]['sections'][-1]['subsections'].append(entry)
+                                        last_line_was_discrete = False
+                                        header_id = None
             elif 'from_json' in tab:
                 tab_dir = os.path.join(adoc_dir, tab['directory'])
                 if os.path.exists(tab_dir):