diff --git a/README.md b/README.md
index 0e79ef6..7506ea1 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ By popular demand, I'm building a better anonkun. It doesn't do much right now t
 
 ## Requirements  
 Python 3.6+  
-PostgreSQL 10.4+
+PostgreSQL 10.4+  
 Python packages: `django psycopg2 channels jinja2`  
 
 ## Install  
diff --git a/jinja2/base.html b/jinja2/base.html
index d64c4f1..8f3f5a3 100644
--- a/jinja2/base.html
+++ b/jinja2/base.html
@@ -1,36 +1,39 @@
 <!DOCTYPE html>
 <html>
 <head>
+	
 	<title>{% block title %}{% endblock %} - Titivillus</title>
 	<link rel="stylesheet" type="text/css" href="{{ static('base.css') }}">
 	<script>
 		function toggleHeaderCookie(state) {
 			let xhr = new XMLHttpRequest();
-			xhr.open('GET', '{# url_for(".set_session", hide_header="on") #}', true);
-			xhr.send();
+			xhr.open('POST', '{{ url("set_session:index") }}', true);
+			xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
+			xhr.setRequestHeader('X-CSRFToken', '{{ csrf_token }}');
+			xhr.send('hide_header=' + state);
 			}
 		function toggleHeader() {
 			if (document.getElementById('header').style.display == 'initial') {
 				document.getElementById('header').style.display = 'none';
 				document.getElementById('headerHidden').style.display = 'initial';
-				//toggleHeaderCookie('on');
+				toggleHeaderCookie('on');
 			}
 			else {
 				document.getElementById('header').style.display = 'initial';
 				document.getElementById('headerHidden').style.display = 'none';
-				//toggleHeaderCookie('off');
+				toggleHeaderCookie('off');
 			}
 		}
 	</script>
 	{% block head %}{% endblock %}
 </head>
 <body>
-	<ul id="header" class="header" style="{# if session.get("hide_header") == True %}display:none;{% else %}display:initial;{% endif #}">
+	<ul id="header" class="header" style="{% if request.session.get("hide_header") == True %}display:none;{% else %}display:initial;{% endif %}">
 		<li><a onclick="toggleHeader();" href="javascript:void(0);">⤒</a></li>
 		<li><a href="{{ url('homepage:index') }}">Home</a></li>
 		{% block header %}{% endblock %}
 	</ul>
-	<ul id="headerHidden" class="header" style="{# if session.get("hide_header") == True %}display:initial;{% else #}display:none;{# endif #}">
+	<ul id="headerHidden" class="header" style="{% if request.session.get("hide_header") == True %}display:initial;{% else %}display:none;{% endif %}">
 		<li><a onclick="toggleHeader();" href="javascript:void(0);">⤓</a></li>
 	</ul>
 	<div id="content">{% block content %}{% endblock %}	</div>
diff --git a/set_session/__init__.py b/set_session/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/set_session/admin.py b/set_session/admin.py
new file mode 100644
index 0000000..8c38f3f
--- /dev/null
+++ b/set_session/admin.py
@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.
diff --git a/set_session/apps.py b/set_session/apps.py
new file mode 100644
index 0000000..6b37c76
--- /dev/null
+++ b/set_session/apps.py
@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class SetSessionConfig(AppConfig):
+    name = 'set_session'
diff --git a/set_session/migrations/__init__.py b/set_session/migrations/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/set_session/models.py b/set_session/models.py
new file mode 100644
index 0000000..71a8362
--- /dev/null
+++ b/set_session/models.py
@@ -0,0 +1,3 @@
+from django.db import models
+
+# Create your models here.
diff --git a/set_session/tests.py b/set_session/tests.py
new file mode 100644
index 0000000..7ce503c
--- /dev/null
+++ b/set_session/tests.py
@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.
diff --git a/set_session/urls.py b/set_session/urls.py
new file mode 100644
index 0000000..e8e5107
--- /dev/null
+++ b/set_session/urls.py
@@ -0,0 +1,12 @@
+#!/usr/bin/env python3
+"""
+set_session app URL configuration.
+"""
+from django.urls import path
+
+from . import views
+
+app_name = 'set_session'
+urlpatterns = [
+	path('', views.index, name='index'),
+]
diff --git a/set_session/views.py b/set_session/views.py
new file mode 100644
index 0000000..5c9456f
--- /dev/null
+++ b/set_session/views.py
@@ -0,0 +1,15 @@
+#!/usr/bin/env python3
+"""
+/set_session app views.
+"""
+from django.http import HttpResponse
+
+def index(request):
+	"""
+	A simple API endpoint for setting certain values in the users session.
+	"""
+	if request.POST.get('hide_header') == 'on':
+		request.session['hide_header'] = True
+	elif request.POST.get('hide_header') == 'off':
+		request.session['hide_header'] = False
+	return HttpResponse('true')
diff --git a/titivillus/urls.py b/titivillus/urls.py
index b005513..23c7746 100644
--- a/titivillus/urls.py
+++ b/titivillus/urls.py
@@ -7,7 +7,8 @@ from django.urls import include, path
 
 urlpatterns = [
 	path('', include('homepage.urls')),
-    path('admin/', admin.site.urls),
+	path('admin/', admin.site.urls),
 	path('quest/', include('quest.urls')),
 	path('create_quest/', include('create_quest.urls')),
+	path('set_session/', include('set_session.urls')),
 ]
