function print_file_element($params)
{
    $element = new form_element_file($params);
    echo $element->get_html();
}
function print_file_element($name, $label, $required = false, $info_text = null)
{
    $element = new form_element_file($name, $label, $required, $info_text);
    echo $element->get_html();
}