diff --git a/inc/include.php b/inc/include.php
new file mode 100644
index 0000000..01d9a56
--- /dev/null
+++ b/inc/include.php
@@ -0,0 +1,33 @@
+<?php
+// Set up database and user system,
+// and include common files such as HTML includes or SimplSAMLphp.
+
+require_once __DIR__ . DIRECTORY_SEPARATOR . 'agenda.php';
+require_once __DIR__ . DIRECTORY_SEPARATOR . 'navbar.php';
+
+require_once dirname(__DIR__) . implode(DIRECTORY_SEPARATOR, ['', 'lib', 'OAuth2-Client', 'OAuth2Client.php']);
+require_once dirname(__DIR__) . implode(DIRECTORY_SEPARATOR, ['', 'dataporten_config.php']);
+
+require_once dirname(__DIR__) . implode(DIRECTORY_SEPARATOR, ['', 'sql_config.php']);
+
+require_once dirname(__DIR__) . implode(DIRECTORY_SEPARATOR, ['', 'src', '_autoload.php']);
+require_once dirname(__DIR__) . implode(DIRECTORY_SEPARATOR, ['', 'vendor', 'simplesamlphp', 'simplesamlphp', 'lib', '_autoload.php']);
+
+date_default_timezone_set('Europe/Oslo');
+setlocale(LC_ALL, 'nb_NO');
+
+$pdo = new \PDO($dbDsn, $dbUser, $dbPass);
+$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+$userManager = new \pvv\admin\UserManager($pdo);
+
+$sp = 'default-sp';
+$as = new SimpleSAML_Auth_Simple($sp);
+
+use \pvv\side\Agenda;
+$agenda = new \pvv\side\Agenda([
+		new \pvv\side\social\NerdepitsaActivity,
+		new \pvv\side\social\AnimekveldActivity,
+		new \pvv\side\DBActivity($pdo),
+	]);
+
+$months_translations = ['januar', 'februar', 'mars', 'april', 'mai', 'juni', 'juli', 'august', 'september', 'oktober', 'november', 'desember'];
diff --git a/www/admin/index.php b/www/admin/index.php
index 906631c..c3cfe4d 100644
--- a/www/admin/index.php
+++ b/www/admin/index.php
@@ -1,14 +1,6 @@
 <?php
-require __DIR__ . '/../../inc/navbar.php';
-require __DIR__ . '/../../src/_autoload.php';
-require_once __DIR__ . '/../../vendor/simplesamlphp/simplesamlphp/lib/_autoload.php';
-require __DIR__ . '/../../sql_config.php';
+require_once dirname(__DIR__, 2) . implode(DIRECTORY_SEPARATOR, ['', 'inc', 'include.php']);
 
-$pdo = new \PDO($dbDsn, $dbUser, $dbPass);
-$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
-$userManager = new \pvv\admin\UserManager($pdo);
-
-$as = new SimpleSAML_Auth_Simple('default-sp');
 $as->requireAuth();
 $attrs = $as->getAttributes();
 $uname = $attrs['uid'][0];
diff --git a/www/aktiviteter/index.php b/www/aktiviteter/index.php
index c9bca84..1c3f433 100644
--- a/www/aktiviteter/index.php
+++ b/www/aktiviteter/index.php
@@ -1,18 +1,5 @@
 <?php
-date_default_timezone_set('Europe/Oslo');
-setlocale(LC_ALL, 'nb_NO');
-require_once __DIR__ . '/../../inc/navbar.php';
-require_once __DIR__ . '/../../src/_autoload.php';
-require_once __DIR__ . '/../../sql_config.php';
-
-$pdo = new \PDO($dbDsn, $dbUser, $dbPass);
-$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
-use \pvv\side\Agenda;
-$agenda = new \pvv\side\Agenda([
-		new \pvv\side\social\NerdepitsaActivity,
-		new \pvv\side\social\AnimekveldActivity,
-		new \pvv\side\DBActivity($pdo),
-	]);
+require_once dirname(__DIR__, 2) . implode(DIRECTORY_SEPARATOR, ['', 'inc', 'include.php']);
 
 $year = (isset($_GET['year']))
 	? $_GET['year']
@@ -80,5 +67,5 @@ foreach($events as $event) {
 
 <nav>
 	<?= navbar(1, 'aktiviteter'); ?>
-	<?= loginbar(null, $pdo); ?>
+	<?= loginbar($sp, $pdo); ?>
 </nav>
diff --git a/www/index.php b/www/index.php
index 0fe4c80..d1eadaf 100644
--- a/www/index.php
+++ b/www/index.php
@@ -1,8 +1,5 @@
 <?php
-date_default_timezone_set('Europe/Oslo');
-setlocale(LC_ALL, 'nb_NO');
-require __DIR__ . '/../inc/navbar.php';
-require __DIR__ . '/../inc/agenda.php';
+require_once dirname(__DIR__, 1) . implode(DIRECTORY_SEPARATOR, ['', 'inc', 'include.php']);
 
 $translation = ['i dag', 'i morgen', 'denne uka', 'neste uke', 'denne måneden', 'neste måned'];
 ?>
@@ -91,5 +88,5 @@ For å bli med i våre prosjekter og komitéer må du søke.
 
 <nav>
 	<?php echo navbar(0, ''); ?>
-	<?php echo loginbar(); ?>
+	<?php echo loginbar($sp, $pdo); ?>
 </nav>
diff --git a/www/kalender/index.php b/www/kalender/index.php
index a77ea10..ac2882e 100644
--- a/www/kalender/index.php
+++ b/www/kalender/index.php
@@ -1,10 +1,5 @@
 <?php
-date_default_timezone_set('Europe/Oslo');
-setlocale(LC_ALL, 'nb_NO');
-require __DIR__ . '/../../inc/navbar.php';
-require __DIR__ . '/../../inc/agenda.php';
-
-$months_translations = ['januar', 'februar', 'mars', 'april', 'mai', 'juni', 'juli', 'august', 'september', 'oktober', 'november', 'desember'];
+require_once dirname(__DIR__, 2) . implode(DIRECTORY_SEPARATOR, ['', 'inc', 'include.php']);
 
 $year = (isset($_GET['year']))
 	? $_GET['year']
@@ -93,5 +88,5 @@ $days_in_month = date('t', mktime(0, 0, 0, $month, 1, $year));
 
 <nav>
 	<?= navbar(1, 'kalender'); ?>
-	<?= loginbar(); ?>
+	<?= loginbar($sp, $pdo); ?>
 </nav>
diff --git a/www/kontakt/index.php b/www/kontakt/index.php
index 053683b..5703b04 100755
--- a/www/kontakt/index.php
+++ b/www/kontakt/index.php
@@ -1,11 +1,6 @@
-<!DOCTYPE html>
 <?php
-date_default_timezone_set('Europe/Oslo');
-setlocale(LC_ALL, 'nb_NO');
-require __DIR__ . '/../../inc/navbar.php';
-require __DIR__ . '/../../src/_autoload.php';
-require __DIR__ . '/../../sql_config.php';
-?>
+require_once dirname(__DIR__, 2) . implode(DIRECTORY_SEPARATOR, ['', 'inc', 'include.php']);
+?><!DOCTYPE html>
 <html lang="no">
 <title>Kommunikasjonsverkstedet</title>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
@@ -39,5 +34,5 @@ Det er også mulig å ta i bruk analog kontakt ved å møte opp <a href="https:/
 
 <nav>
 	<?= navbar(1, 'kontakt'); ?>
-	<?= loginbar(null, $pdo); ?>
+	<?= loginbar($sp, $pdo); ?>
 </nav>
diff --git a/www/om/index.php b/www/om/index.php
index 38a35c3..f9aa003 100644
--- a/www/om/index.php
+++ b/www/om/index.php
@@ -1,5 +1,5 @@
 <?php 
-require_once __DIR__ . '/../../inc/navbar.php';
+require_once dirname(__DIR__, 2) . implode(DIRECTORY_SEPARATOR, ['', 'inc', 'include.php']);
 ?>
 <!DOCTYPE html>
 <html lang=no>
@@ -59,5 +59,5 @@ p {hyphens: auto;}
 
 <nav>
 	<?= navbar(1); ?>
-	<?= loginbar(); ?>
+	<?= loginbar($sp, $pdo); ?>
 </nav>
diff --git a/www/paamelding/index.php b/www/paamelding/index.php
index 9b023be..e5422e2 100644
--- a/www/paamelding/index.php
+++ b/www/paamelding/index.php
@@ -1,11 +1,8 @@
 <?php
-require_once __DIR__ . '/../../inc/navbar.php';
-require_once __DIR__ . '/../../lib/OAuth2-Client/OAuth2Client.php';
-require_once __DIR__ . '/../../dataporten_config.php';
-require_once __DIR__ . '/../../vendor/simplesamlphp/simplesamlphp/lib/_autoload.php';
+require_once dirname(__DIR__, 2) . implode(DIRECTORY_SEPARATOR, ['', 'inc', 'include.php']);
+
 session_start();
 
-$as = new SimpleSAML_Auth_Simple('default-sp');
 $attrs = $as->getAttributes();
 
 $oauth2 = new Kasperrt\Oauth2($dataportenConfig);
diff --git a/www/prosjekt/index.php b/www/prosjekt/index.php
index 7d8bd98..af6b78d 100644
--- a/www/prosjekt/index.php
+++ b/www/prosjekt/index.php
@@ -1,13 +1,7 @@
 <?php
-error_reporting(E_ALL);
-date_default_timezone_set('Europe/Oslo');
-require __DIR__ . '/../../inc/navbar.php';
-require __DIR__ . '/../../src/_autoload.php';
-require __DIR__ . '/../../sql_config.php';
+require_once dirname(__DIR__, 2) . implode(DIRECTORY_SEPARATOR, ['', 'inc', 'include.php']);
 
 $translation = ['i dag', 'i morgen', 'denne uka', 'neste uke', 'denne måneden', 'neste måned'];
-$pdo = new \PDO($dbDsn, $dbUser, $dbPass);
-$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
 $projectManager = new \pvv\side\ProjectManager($pdo);
 $projects = $projectManager->getAll();
 ?>
@@ -69,5 +63,5 @@ $projects = $projectManager->getAll();
 
 <nav>
 	<?= navbar(1, 'prosjekt'); ?>
-	<?= loginbar(null, $pdo); ?>
+	<?= loginbar($sp, $pdo); ?>
 </nav>