public function addHidden($name, $value, $dataType = "", $elClass = "")
{
if ($dataType != "" and !$this->checkData->isType($dataType)) {
\w34u\ssp\SSP_error("Invalid data type {$dataType} for hidden field {$name}");
}
$this->hiddenFields[$name] = new Hidden($name, $value, $dataType, $elClass);
}
