/**
* Pole: telefon
*
* @param boolean $acl
* @param string $fieldname
* @param string $label
* @return void
*/
public function phone($acl = false, $fieldname = 'phone', $label = 'Telefon:')
{
parent::phone($acl, $fieldname, $label);
$element = $this->getElement($fieldname);
$element->addFilters(array(new Logic_Filter_AlnumToNum()));
}
