Header not to go anywhere

[macaela]

Hi is there a way that i can set header not go anywhere like the problem with this is that it still goes to the second header is there a way i can set if none do nothing exit? and else do the second header??

<?php
if ($_POST['agents']=="none")
{
 header("location:#");
 exit;
  // header("Location: {$_SERVER['PHP_SELF']}");

 }
 else
 {
 header("location:http://www.xxxxxx.co.uk/tv/".$_POST['agents']."/index.php");    
 }
?>