Warning: require_once(./cart.php) [function.require-once]: failed to open stream: No such file or directory in /home/tomato/public_html/index.php on line 7

Fatal error: require_once() [function.require]: Failed opening required './cart.php' (include_path='.:/opt/alt/php52/usr/share/pear:/opt/alt/php52/usr/share/php') in /home/tomato/public_html/index.php on line 7