also es handelt sich hierbei um folgendes script:
http://dev.digitarald.de/uplooad.html


im script steht folgender info text:
* Flash FileReference is stupid, the request will have no cookies
* or additional post data. Only the file is send in $_FILES['Filedata'],
* with a wrong content-type (application/octet-stream).
* When u have sessions, append them as get-data to the the url.