Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in C:\wamp\www\motcua\index.php on line 51

Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in C:\wamp\www\motcua\index.php on line 56

Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in C:\wamp\www\motcua\index.php on line 58

Warning: require_once(./classes/clsBlock.php) [function.require-once]: failed to open stream: No such file or directory in C:\wamp\www\motcua\index.php on line 79

Fatal error: require_once() [function.require]: Failed opening required './classes/clsBlock.php' (include_path='.;C:\php5\pear') in C:\wamp\www\motcua\index.php on line 79