Failure to redirect to thank you page upon submission

[Mservices]

Hi Joe,

Thanks, that would be great! wasn't that i'm not familiar enough with php to understand how to implement it, So if you could help me out a bit more i would be utterly thankful ;-)
I guess index.php could also be the url of the form page for registering?
Where should i put the code?

The code at the top of my thank you page was:

<?php
require_once("../formtools/global/api/api.php");
$fields = ft_api_init_form_page();
ft_api_clear_form_sessions();
?>

I added it into:

<?php
require_once("../formtools/global/api/api.php");
$fields = ft_api_init_form_page();
$params = array("no_sessions_url" => "/formulier-infomap.php");ft_api_clear_form_sessions();
?>

But that doesn't do the trick, i'm not redirected to the form page....
any ideas?
Thanks again for your time,
Peter