Index: trunk/admin/head.php
===================================================================
diff -u -r3846 -r3907
--- trunk/admin/head.php	(.../head.php)	(revision 3846)
+++ trunk/admin/head.php	(.../head.php)	(revision 3907)
@@ -128,7 +128,7 @@
 			http_request.open('GET', '<?php echo $xmlhttp_url; ?>', true);
         	http_request.send(null);
 
-        	setTimeout('checkServer()', 60000);
+        	setTimeout('checkServer()', 5 * 60000);	// one time in 5 minutes
         }
 
         checkServer();