Notes

1. 
   graph_view.php
   
   /* since we'll have additional headers, tell php when to flush them */
   ob_start();
   
   $guest_account = true;
   
   include("./include/auth.php");
   include_once("./lib/rrd.php");
   
   
   graph_image.php:$guest_account = true;
   graph.php:$guest_account = true;
   graph_settings.php:$guest_account = true;
   graph_view.php:$guest_account = true;
   graph_xport.php:$guest_account = true;