[Sham]

var uploader = new qq.FileUploaderBasic({ button: '#button_id', action: 'upload.php' }); »

попробуйте по другому (не через параметры)

Код:

var uploader = new qq.FileUploaderBasic;
uploader._options.button = '#button_id';
uploader._options.action = 'upload.php';