<?php 

$lang = ((isset($_GET['lang']) && !empty($_GET['lang'])) ? trim($_GET['lang']):'');



setcookie("slang", $lang, time()+31536000, "/", $_SERVER['HTTP_HOST']); 
if(isset($_REQUEST['r']) && ($_REQUEST['r']!=""))
{
	$r = $_REQUEST['r'];
	header('Location:'.$r);
} else {
?>
<script>
window.history.back();
</script>
<?php } ?>