Warning: include(subheader.php): failed to open stream: No such file or directory in /index.php on line 2

Warning: include(subheader.php): failed to open stream: No such file or directory in /index.php on line 2

Warning: include(): Failed opening 'subheader.php' for inclusion (include_path='.:/:/usr/local/php/pear5') in /index.php on line 2

Fatal error: Call to undefined function db_query() in /index.php on line 6