Merge pull request #96 from redaxo/sessalive

(Einfache) Lösung für Session Timeout Prob finden

redaxo/include/layout/bottom.php

@@ -25,5 +25,18 @@
   <div id="rex-redaxo-link"><p><a href="./" title="Wohin verlinke ich?">Wohin verlinke ich?</a></p></div>
 
   </div><!-- END #rex-website -->
+   <!-- keep session alive -->
+   <script type="text/javascript">
+        if (!jQuery(document.body).is('#rex-page-login')) {
+            var keepAliveInterval = setInterval(function(){
+                jQuery.ajax('index.php?page=credits', {
+                    cache: false,                
+                });
+            }, 5 * 60 * 1000 /*extended every 5 minutes*/ );
+            setTimeout(function() {
+               clearInterval(keepAliveInterval);
+            }, 6 * 60 * 60 * 1000 /*max. for 6 hours after last request*/);
+        }
+   </script>
    </body>
 </html>