The File You Selected (images/news/P1010207.JPG) Isnt A Valid Type

It must be a gif, png or jpg.

Php Error:

Warning: Cannot modify header information - headers already sent by (output started at /home/lazisn72/public_html/thumbnail.php:42) in /home/lazisn72/public_html/thumbnail.php on line 70
Error!
Fatal error: Cannot break/continue 1 level in /home/lazisn72/public_html/thumbnail.php on line 107