Thanks Jason. That works, although it does show up as:
http://www.safariawards.com/africa/handprintsafarilodge1/?GSG_URL=handprintsafarilodge1
In the browser.
I had managed to get it working by adding a session:
<?php
@session_start();
if (!isset($_SESSION["GSG_URL"])) {
$_SESSION["GSG_URL"] = "".$row_rs_Lodge['GSG_URL'] ."";
}
?>
and
"successRedirect" => "../africa/".$_SESSION["GSG_URL"]."/",
I guess either or will be OK - that extra bit on the URL isn't that big a deal.