Session ID (sid, from api_login.php) (required):

Response output mode (json or xml) (optional):

Submission ID (blank for new submission) (optional):

Replace File ID (to replace a file and/or thumbnail in an existing submission) (optional):

Notify watchers of upate (only used when replacing files) (optional):

Progress Key (to track upload progress) (optional, only use with AJAX):

File to upload (optional):

Thumbnail to upload (optional):

ZIP file to upload (optional):