Warning: include(cal.inc) [function.include]: failed to open stream: No such file or directory in /var/www/ais/passing.php on line 9

Warning: include() [function.include]: Failed opening 'cal.inc' for inclusion (include_path='.:/usr/share/php:/usr/share/pear') in /var/www/ais/passing.php on line 9

Fatal error: Class 'Calendar' not found in /var/www/ais/passing.php on line 23