how can I change the chmod to 777?

[Anonymous]

Does somebody can help me with that?

[David]

Yes, you need to download an ftp program such as SmartFTP, WSFtp or CuteFTP. I know SmartFTP is free, and I think the others offer trial versions. Then all you have to do is connect to the site, right click on the file you want to change, select chmod, and change to 777.
Good luck! :)