/**
* Prepares Fileupload form and returns it.
* @return ilPropertyFormGUI
*/
public function getFileUploadForm()
{
/**
* @var $lng ilLanguage
*/
global $lng;
$form = new ilPropertyFormGUI();
$file_input = new ilFileInputGUI();
$file_input->setPostVar('file_to_upload');
$file_input->setTitle($lng->txt('upload'));
$form->addItem($file_input);
$form->addCommandButton('UploadFile-uploadFile', $lng->txt('submit'));
$form->setTarget('_blank');
return $form;
}