static function fscf_admin_footer()
{
// add placeholder javascript in form preview page only if needed
if (isset(FSCF_Display::$placeholder) && FSCF_Display::$placeholder) {
// makes placeholder work on old browsers
wp_enqueue_script('fscf_placeholders', plugins_url('si-contact-form/includes/fscf-placeholders.min.js'), false, FSCF_BUILD);
}
if (isset(FSCF_Display::$add_date_js) && FSCF_Display::$add_date_js != '') {
// add js for forms with date fields
FSCF_Util::add_date_js();
}
}