private function _getDefautValue($aFieldset)
{
$_aSubFields = $this->getIntegerKeyElements($aFieldset);
if (count($_aSubFields) == 0) {
return $this->getElement($aFieldset, 'value', $this->getElement($aFieldset, 'default', null));
}
$_aDefault = array();
array_unshift($_aSubFields, $aFieldset);
foreach ($_aSubFields as $_iIndex => $_aField) {
$_aDefault[$_iIndex] = $this->getElement($_aField, 'value', $this->getElement($_aField, 'default', null));
}
return $_aDefault;
}