Notice: Undefined variable: str in /index.php on line 23

Notice: Undefined variable: str in /index.php on line 26

Notice: Undefined variable: str in /index.php on line 29

Notice: Undefined variable: str in /index.php on line 32

Notice: Undefined variable: str in /index.php on line 35

Warning: Cannot modify header information - headers already sent by (output started at /index.php:23) in /index.php on line 40