diff --git a/_includes/header.html b/_includes/header.html
index fe388c0..f195f09 100644
--- a/_includes/header.html
+++ b/_includes/header.html
@@ -90,6 +90,8 @@
   {%- assign c_url  = "" -%}
   {%- assign d_name = "" -%}
   {%- assign d_url  = "" -%}
+  {%- assign e_name = "" -%}
+  {%- assign e_url  = "" -%}
 {% else %}
 {%- if col.parent -%}
   {%- assign searchurl = col.parent -%}
@@ -117,6 +119,8 @@
     {%- assign c_url  = "" -%}
     {%- assign d_name = "" -%}
     {%- assign d_url  = "" -%}
+    {%- assign e_name = "" -%}
+    {%- assign e_url  = "" -%}
     {%- assign a_name = n.name -%}
     {%- assign a_url  = n.pages[0].url -%}
     {%- if a_url == searchurl %}{% assign search = false %}{% endif -%}
@@ -127,6 +131,8 @@
           {%- assign c_url  = "" -%}
           {%- assign d_name = "" -%}
           {%- assign d_url  = "" -%}
+          {%- assign e_name = "" -%}
+          {%- assign e_url  = "" -%}
           {%- assign b_name = n1.name -%}
           {%- assign b_url  = n1.url -%}
           {%- if b_url == searchurl %}{% assign search = false %}{% endif -%}
@@ -135,15 +141,28 @@
               {%- if search == true -%}
                 {%- assign d_name = "" -%}
                 {%- assign d_url  = "" -%}
+                {%- assign e_name = "" -%}
+                {%- assign e_url  = "" -%}
                 {%- assign c_name = n2.name -%}
                 {%- assign c_url  = n2.url -%}
                 {%- if c_url == searchurl %}{% assign search = false %}{% endif -%}
                 {%- if search == true -%}
                   {%- for n3 in n2.pages -%}
                     {%- if search == true -%}
+                      {%- assign e_name = "" -%}
+                      {%- assign e_url  = "" -%}
                       {%- assign d_name = n3.name -%}
                       {%- assign d_url  = n3.url -%}
                       {%- if d_url == searchurl %}{% assign search = false %}{% endif -%}
+                      {%- if search == true -%}
+                        {%- for n4 in n3.pages -%}
+                          {%- if search == true -%}
+                            {%- assign e_url  = n4.url -%}
+                            {%- assign e_name = n4.name -%}
+                            {%- if e_url == searchurl %}{% assign search = false %}{% endif -%}
+                          {%- endif -%}
+                        {%- endfor -%}
+                      {%- endif -%}
                     {%- endif -%}
                   {%- endfor -%}
                 {%- endif -%}
@@ -170,6 +189,7 @@
     {%- unless b_name == "" -%}<li>{% if b_url == enpage.url%}{% include_cached link.html text=b_name to=b_url aria-current="page" lang=page.lang hidelangnotice=true %}{% else %}{% include_cached link.html text=b_name to=b_url lang=page.lang hidelangnotice=true %}{% endif %}</li>{%- endunless -%}
     {%- unless c_name == "" -%}<li>{% if c_url == enpage.url%}{% include_cached link.html text=c_name to=c_url aria-current="page" lang=page.lang hidelangnotice=true %}{% else %}{% include_cached link.html text=c_name to=c_url lang=page.lang hidelangnotice=true %}{% endif %}</li>{%- endunless -%}
     {%- unless d_name == "" -%}<li>{% if d_url == enpage.url%}{% include_cached link.html text=d_name to=d_url aria-current="page" lang=page.lang hidelangnotice=true %}{% else %}{% include_cached link.html text=d_name to=d_url lang=page.lang hidelangnotice=true %}{% endif %}</li>{%- endunless -%}
+    {%- unless e_name == "" -%}<li>{% if e_url == enpage.url%}{% include_cached link.html text=e_name to=e_url aria-current="page" lang=page.lang hidelangnotice=true %}{% else %}{% include_cached link.html text=e_name to=e_url lang=page.lang hidelangnotice=true %}{% endif %}</li>{%- endunless -%}
     {%- if col.parent == '/news/' -%}<li><a href="{{ '/news/' | relative_url }}">News</a></li>{%- endif -%}
     {%- if page.parent == "/"-%}<li><a href="{{ page.url | relative_url }}" aria-current="page">{{page.title | xml_escape}}</a></li>{%- endif -%}
     {%- if col.parent -%}