public static $allowed_actions = array (
      'UploadForm'      
   );
   
   public function UploadForm(){
      $thumbField = new UploadField('ProfilePicture', 'Profile picture');
    $thumbField->getValidator()->setAllowedExtensions(array('jpg', 'jpeg', 'png', 'gif'));
    $thumbField->setConfig('allowedMaxFileNumber', 10);
      $form = new Form (
         $this,
         "ApplyForm",
         new FieldList (
            //$thumbField
         ),
         new FieldList (
            new FormAction('doApply', _t('Angebot.APPLYNOW','Angebot senden'))
         )

      );
      return $form;      
   }