View older events upon request

content/events.php

 ?>
 
 <div class="page">
-    <h1>Eventoversigt</h1> <div class="newstitle pull_right"><a href="?page=events&older">Vis Tidligere Events</a></div>
+    <h1>Eventoversigt</h1> <div class="newstitle pull_right"><?php if (isset($_GET['older'])) { ?><a href="?page=events">Vis Fremtidige Events</a><?php } else { ?><a href="?page=events&older">Vis Tidligere Events</a><?php } ?></div>
     <div class="border"></div>
     <br />