/**
  * send activation mail
  */
 public function sendActivationMail()
 {
     $emailTPL = new Smarty();
     $emailTPL->assign("username", $this->username);
     $emailTPL->assign('homepage', APP_WEBSITE . APP_DIR);
     $emailTPL->assign("activation_url", APP_WEBSITE . APP_DIR . "site/register/activate/" . $this->activation_code);
     Framework::sendMail($this->username . ' <' . $this->email . '>', "Manager's Life: Aktivierung", $emailTPL->fetch("mail/signup_confirm.txt"));
 }
 /**
  * process cancelation
  */
 private function action_Storno()
 {
     Framework::sendMail('*****@*****.**', 'Storno - ' . $this->title, 'Title: ' . $this->title . "\n" . 'Amount: ' . $this->amount);
     self::ok();
 }