Gets or sets settings of the dialog which appears when a user selects quite a lot of files.
$au.imageUploaderFlash({Get/Set Value at Runtime
//...other params...
addFilesProgressDialog: {},
//...other params...
})
$au.imageUploaderFlash('uploaderID').addFilesProgressDialog(value);
value = $au.imageUploaderFlash('uploaderID').addFilesProgressDialog();