Warning: require_once(DB.php) [function.require-once]: failed to open stream: No such file or directory in /home/thetools/public_html/overall_header.php on line 5

Fatal error: require_once() [function.require]: Failed opening required 'DB.php' (include_path='.:/usr/local/lib/php') in /home/thetools/public_html/overall_header.php on line 5