Thanks guys! Works on 4.1.10
in Fast_Lane_Checkout/home_main.tpl
HTML Code:
<td><a href="{$back_url}"><img src="{$ImagesDir}/img/continueshopping.png" alt="continue shpopping" /></a>
and in cart.php
PHP Code:
#back URL when cont. shoping:
x_session_register("back_url");
if (strpos($_SERVER['HTTP_REFERER'], "cart.php") == false)
{
$back_url = $_SERVER['HTTP_REFERER'];
}
$smarty->assign("back_url", $back_url);
Well done!