diff --git a/config/config.ini.example b/config/config.ini.example
index cb345f9..04b2127 100644
--- a/config/config.ini.example
+++ b/config/config.ini.example
@@ -135,6 +135,12 @@ cache.timestamp = "false"
 ; The site.url depends on where you are visiting from. Same installation 
 multi.site = "false"
 
+; TOC label
+toc.label = "Table of Contents"
+
+; TOC inital state
+toc.state = "close"
+
 ; Set the theme here
 views.root = "themes/twentysixteen"
 
diff --git a/content/data/configList.json b/content/data/configList.json
index b3dc5c9..d06cd6e 100644
--- a/content/data/configList.json
+++ b/content/data/configList.json
@@ -1 +1 @@
-["site.url","timezone","date.format","language","blog.title","blog.tagline","blog.description","blog.copyright","permalink.type","static.frontpage","blog.enable","social.twitter","social.facebook","breadcrumb.home","comment.system","fb.appid","fb.num","fb.color","disqus.shortname","google.wmt.id","google.analytics.id","google.gtag.id","google.reCaptcha","google.reCaptcha.public","google.reCaptcha.private","posts.perpage","category.perpage","tag.perpage","archive.perpage","search.perpage","profile.perpage","type.perpage","json.count","category.info","related.count","recent.count","popular.count","tagcloud.count","teaser.type","read.more","teaser.char","description.char","rss.count","rss.char","views.counter","sitemap.priority.base","sitemap.priority.post","sitemap.priority.static","sitemap.priority.category","sitemap.priority.tag","sitemap.priority.archiveDay","sitemap.priority.archiveMonth","sitemap.priority.archiveYear","sitemap.priority.author","sitemap.priority.type","prerelease","cache.expiration","cache.off","generation.time","cache.timestamp","multi.site","views.root","views.layout"]
\ No newline at end of file
+["site.url","timezone","date.format","language","blog.title","blog.tagline","blog.description","blog.copyright","permalink.type","static.frontpage","blog.enable","social.twitter","social.facebook","breadcrumb.home","comment.system","fb.appid","fb.num","fb.color","disqus.shortname","google.wmt.id","google.analytics.id","google.gtag.id","google.reCaptcha","google.reCaptcha.public","google.reCaptcha.private","posts.perpage","category.perpage","tag.perpage","archive.perpage","search.perpage","profile.perpage","type.perpage","json.count","category.info","related.count","recent.count","popular.count","tagcloud.count","teaser.type","read.more","teaser.char","description.char","rss.count","rss.char","views.counter","sitemap.priority.base","sitemap.priority.post","sitemap.priority.static","sitemap.priority.category","sitemap.priority.tag","sitemap.priority.archiveDay","sitemap.priority.archiveMonth","sitemap.priority.archiveYear","sitemap.priority.author","sitemap.priority.type","prerelease","cache.expiration","cache.off","generation.time","cache.timestamp","multi.site","toc.label","toc.state","views.root","views.layout"]
\ No newline at end of file
diff --git a/system/admin/views/config-widget.html.php b/system/admin/views/config-widget.html.php
index eea38ab..ec5c5d6 100644
--- a/system/admin/views/config-widget.html.php
+++ b/system/admin/views/config-widget.html.php
@@ -58,6 +58,34 @@
     </div>
   </div>
   <br>
+  <h4>TOC (Table of Contents)</h4>
+  <hr>
+  <div class="form-group row">
+    <label for="toc.label" class="col-sm-2 col-form-label">TOC label</label>
+    <div class="col-sm-10">
+      <input type="text" name="-config-toc.label" class="form-control" id="toc.label" value="<?php echo valueMaker(config('toc.label'));?>" placeholder="Table of Contents">
+    </div>
+  </div>
+  <div class="form-group row">
+    <label class="col-sm-2 col-form-label">TOC initial state</label>
+    <div class="col-sm-10">
+      <div class="col-sm-10">
+        <div class="form-check">
+          <input class="form-check-input" type="radio" name="-config-toc.state" id="toc.state1" value="open" <?php if (config('toc.state') === 'open'):?>checked<?php endif;?>>
+          <label class="form-check-label" for="toc.state1">
+            Open
+          </label>
+        </div>
+        <div class="form-check">
+          <input class="form-check-input" type="radio" name="-config-toc.state" id="toc.state2" value="close" <?php if (config('toc.state') === 'close'):?>checked<?php endif;?>>
+          <label class="form-check-label" for="toc.state2">
+            Close
+          </label>
+        </div>
+      </div>
+    </div>
+  </div>
+  <br>
   <h4><?php echo i18n('Comments');?></h4>
   <hr>
   <p><?php echo i18n('To_using_Disqus_or_Facebook_comment_you_need_to_provide_Disqus_shortname_or_Facebook_App_ID');?></p>
diff --git a/system/includes/functions.php b/system/includes/functions.php
index 50cb0b1..24a2f57 100644
--- a/system/includes/functions.php
+++ b/system/includes/functions.php
@@ -519,7 +519,15 @@ function get_posts($posts, $page = 1, $perpage = 0)
         // Get the contents and convert it to HTML
         $post->body = MarkdownExtra::defaultTransform(remove_html_comments($content));
         $toc = explode('<!--toc-->', $post->body);
-        if (isset($toc['1'])) { 
+        if (isset($toc['1'])) {
+            $state = config('toc.state');
+            if ($state !== 'open') {
+                $state = 'close';
+            }
+            $label = config('toc.label');
+            if (empty($label)) {
+                $label = 'Table of Contents';
+            }
             $load = <<<EOF
             <script>
             document.addEventListener("DOMContentLoaded", function() {
@@ -533,7 +541,7 @@ function get_posts($posts, $page = 1, $perpage = 0)
             });
             </script>
             EOF;
-            $post->body = $toc['0'] . $load . '<div class="toc-wrapper" id="toc-wrapper.post-'.$post->date.'" style="display:none;" ><details><summary title="TOC"><span class="details">Table of Contents</span></summary><div class="inner"><div class="toc" id="toc.post-'.$post->date.'"></div></div></details></div><script src="'. site_url().'system/resources/js/toc.js"></script>' . $toc['1'];
+            $post->body = $toc['0'] . $load . '<div class="toc-wrapper" id="toc-wrapper.post-'.$post->date.'" style="display:none;" ><details '. $state .'><summary title="TOC"><span class="details">'. $label .'</span></summary><div class="inner"><div class="toc" id="toc.post-'.$post->date.'"></div></div></details></div><script src="'. site_url().'system/resources/js/toc.js"></script>' . $toc['1'];
         }
 
         // Convert image tags to figures
@@ -601,7 +609,15 @@ function get_pages($pages, $page = 1, $perpage = 0)
         $post->body = MarkdownExtra::defaultTransform(remove_html_comments($content));
 
         $toc = explode('<!--toc-->', $post->body);
-        if (isset($toc['1'])) { 
+        if (isset($toc['1'])) {
+            $state = config('toc.state');
+            if ($state !== 'open') {
+                $state = 'close';
+            }
+            $label = config('toc.label');
+            if (empty($label)) {
+                $label = 'Table of Contents';
+            }
             $load = <<<EOF
             <script>
             document.addEventListener("DOMContentLoaded", function() {
@@ -615,7 +631,7 @@ function get_pages($pages, $page = 1, $perpage = 0)
             });
             </script>
             EOF;
-            $post->body = $toc['0'] . $load . '<div class="toc-wrapper" id="toc-wrapper.page-'.$post->slug.'" style="display:none;" ><details><summary title="TOC"><span class="details">Table of Contents</span></summary><div class="inner"><div class="toc" id="toc.page-'.$post->slug.'"></div></div></details></div><script src="'. site_url().'system/resources/js/toc.js"></script>' . $toc['1'];
+            $post->body = $toc['0'] . $load . '<div class="toc-wrapper" id="toc-wrapper.page-'.$post->slug.'" style="display:none;" ><details '. $state .'><summary title="TOC"><span class="details">'. $label .'</span></summary><div class="inner"><div class="toc" id="toc.page-'.$post->slug.'"></div></div></details></div><script src="'. site_url().'system/resources/js/toc.js"></script>' . $toc['1'];
         }
 
         if (config('views.counter') == 'true') {
@@ -690,6 +706,14 @@ function get_subpages($sub_pages, $page = 1, $perpage = 0)
         
         $toc = explode('<!--toc-->', $post->body);
         if (isset($toc['1'])) { 
+            $state = config('toc.state');
+            if ($state !== 'open') {
+                $state = 'close';
+            }
+            $label = config('toc.label');
+            if (empty($label)) {
+                $label = 'Table of Contents';
+            }
             $load = <<<EOF
             <script>
             document.addEventListener("DOMContentLoaded", function() {
@@ -703,7 +727,7 @@ function get_subpages($sub_pages, $page = 1, $perpage = 0)
             });
             </script>
             EOF;
-            $post->body = $toc['0'] . $load . '<div class="toc-wrapper" id="toc-wrapper.subpage-'.$post->slug.'" style="display:none;" ><details><summary title="TOC"><span class="details">Table of Contents</span></summary><div class="inner"><div class="toc" id="toc.subpage-'.$post->slug.'"></div></div></details></div><script src="'. site_url().'system/resources/js/toc.js"></script>' . $toc['1'];
+            $post->body = $toc['0'] . $load . '<div class="toc-wrapper" id="toc-wrapper.subpage-'.$post->slug.'" style="display:none;" ><details '. $state .'><summary title="TOC"><span class="details">'. $label .'</span></summary><div class="inner"><div class="toc" id="toc.subpage-'.$post->slug.'"></div></div></details></div><script src="'. site_url().'system/resources/js/toc.js"></script>' . $toc['1'];
         }
         
         if (config('views.counter') == 'true') {
@@ -984,7 +1008,15 @@ function read_category_info($category)
                 $desc->body = MarkdownExtra::defaultTransform(remove_html_comments($content));
                 
                 $toc = explode('<!--toc-->', $desc->body);
-                if (isset($toc['1'])) { 
+                if (isset($toc['1'])) {
+                    $state = config('toc.state');
+                    if ($state !== 'open') {
+                        $state = 'close';
+                    }
+                    $label = config('toc.label');
+                    if (empty($label)) {
+                        $label = 'Table of Contents';
+                    }
                     $load = <<<EOF
                     <script>
                     document.addEventListener("DOMContentLoaded", function() {
@@ -998,7 +1030,7 @@ function read_category_info($category)
                     });
                     </script>
                     EOF;
-                    $desc->body = $toc['0'] . $load . '<div class="toc-wrapper" id="toc-wrapper.taxonomy-'.$desc->slug.'" style="display:none;" ><details><summary title="TOC"><span class="details">Table of Contents</span></summary><div class="inner"><div class="toc" id="toc.taxonomy-'.$desc->slug.'"></div></div></details></div><script src="'. site_url().'system/resources/js/toc.js"></script>' . $toc['1'];
+                    $desc->body = $toc['0'] . $load . '<div class="toc-wrapper" id="toc-wrapper.taxonomy-'.$desc->slug.'" style="display:none;" ><details '. $state .'><summary title="TOC"><span class="details">'. $label .'</span></summary><div class="inner"><div class="toc" id="toc.taxonomy-'.$desc->slug.'"></div></div></details></div><script src="'. site_url().'system/resources/js/toc.js"></script>' . $toc['1'];
                 }
 
                 $desc->description = get_content_tag("d", $content, get_description($desc->body));
@@ -1230,6 +1262,14 @@ function get_author($name)
                 
                 $toc = explode('<!--toc-->', $author->about);
                 if (isset($toc['1'])) { 
+                    $state = config('toc.state');
+                    if ($state !== 'open') {
+                        $state = 'close';
+                    }
+                    $label = config('toc.label');
+                    if (empty($label)) {
+                        $label = 'Table of Contents';
+                    }
                     $load = <<<EOF
                     <script>
                     document.addEventListener("DOMContentLoaded", function() {
@@ -1243,7 +1283,7 @@ function get_author($name)
                     });
                     </script>
                     EOF;
-                    $author->about = $toc['0'] . $load . '<div class="toc-wrapper" id="toc-wrapper.profile-'.$author->slug.'" style="display:none;" ><details><summary title="TOC"><span class="details">Table of Contents</span></summary><div class="inner"><div class="toc" id="toc.profile-'.$author->slug.'"></div></div></details></div><script src="'. site_url().'system/resources/js/toc.js"></script>' . $toc['1'];
+                    $author->about = $toc['0'] . $load . '<div class="toc-wrapper" id="toc-wrapper.profile-'.$author->slug.'" style="display:none;" ><details '. $state .'><summary title="TOC"><span class="details">'. $label .'</span></summary><div class="inner"><div class="toc" id="toc.profile-'.$author->slug.'"></div></div></details></div><script src="'. site_url().'system/resources/js/toc.js"></script>' . $toc['1'];
                 }
                 
                 $author->body = $author->about;
@@ -1296,7 +1336,15 @@ function get_frontpage()
         // Get the contents and convert it to HTML
         $front->body = MarkdownExtra::defaultTransform(remove_html_comments($content));
         $toc = explode('<!--toc-->', $front->body);
-        if (isset($toc['1'])) { 
+        if (isset($toc['1'])) {
+            $state = config('toc.state');
+            if ($state !== 'open') {
+                $state = 'close';
+            }
+            $label = config('toc.label');
+            if (empty($label)) {
+                $label = 'Table of Contents';
+            }
             $load = <<<EOF
             <script>
             document.addEventListener("DOMContentLoaded", function() {
@@ -1310,7 +1358,7 @@ function get_frontpage()
             });
             </script>
             EOF;
-            $front->body = $toc['0'] . $load . '<div class="toc-wrapper" id="toc-wrapper.page-front" style="display:none;" ><details><summary title="TOC"><span class="details">Table of Contents</span></summary><div class="inner"><div class="toc" id="toc.page-front"></div></div></details></div><script src="'. site_url().'system/resources/js/toc.js"></script>' . $toc['1'];
+            $front->body = $toc['0'] . $load . '<div class="toc-wrapper" id="toc-wrapper.page-front" style="display:none;" ><details '. $state .'><summary title="TOC"><span class="details">'. $label .'</span></summary><div class="inner"><div class="toc" id="toc.page-front"></div></div></details></div><script src="'. site_url().'system/resources/js/toc.js"></script>' . $toc['1'];
         }
     } else {
         $front->title = 'Welcome';