class.upload.php is a powerful and mature PHP class to manage uploaded files, and manipulate images in many ways. The script is available under a GPL license.
more info about the class
Here is the log and the error: http://www.conf.ro/test/log.html
Test: http://www.conf.ro/test/
If is a hosting error and have ideea to resolve it please tell beacause I talk with hosting administration to resolve.
Thanks