public function get_calculator($parameters)
 {
     $p = array('exclude' => $parameters, 'request' => $this->get_request(), 'submit' => wfMessage('fm-calculate')->text(), 'introduction' => wfMessage('fm-intro-mortgage')->text());
     $c = parent::get_calculator($p);
     $c['values']['instalment'] = NULL;
     return $c;
 }
 /**
  * Get string to render delete buttons
  *
  * @return string
  *
  * @access public
  */
 public function get_delete_buttons()
 {
     return parent::get_delete_buttons('view_spotrates');
 }
 /**
  * Get delete buttons (forms which contain as hidden fields the undeleted cashflows)
  *
  * @return string
  *
  * @access public
  */
 public function get_delete_buttons()
 {
     return parent::get_delete_buttons('view_cashflows');
 }
 public function get_calculator($parameters)
 {
     $p = array('exclude' => $parameters, 'request' => $this->get_request(), 'submit' => wfMessage('fm-calculate'), 'introduction' => wfMessage('fm-intro-interest'));
     return parent::get_calculator($p);
 }