/**
  * Convenience function to set variables based on form data.
  * Assumes that variables containing "password" in the name are (potentially
  * fake) passwords.
  * @param $varNames Array
  * @return array
  */
 public function setVarsFromRequest($varNames)
 {
     return $this->parent->setVarsFromRequest($varNames, $this->getName() . '_');
 }