<?php
// Initialize the session
session_start();
 
// Check if the user is logged in, if not then redirect him to login page
if(!isset($_SESSION["loggedin"]) || $_SESSION["loggedin"] !== true){
   // header("location: login.php");
   // exit;
}
	$id=$_GET["id"];
	$username=$_GET["username"];
	$guser=$_GET["guser"];
	$company=$_GET["company"];
	$_SESSION["loggedin"] = true;
    $_SESSION["id"] = $id;
 $_SESSION["root"] = "root";
	$_SESSION["uid"] = $id;
    $_SESSION["username"] = $username;
    $_SESSION["company"] = $company;
    $_SESSION["guser"] = $guser;   							
	$id=$_SESSION["uid"] ;
	$username=$_SESSION["username"];
	$company=$_SESSION["company"];
    $guser=$_SESSION["guser"];
?>
 <!--
<div class="page-header">
        Hi, <b><?php echo htmlspecialchars($_SESSION["username"]).":".$id.":".$guser; ?></b>.<A href=chat3.php>CHAT</a> <a href=userlistp.php.php>Userlist</a>.<a href=fixalist3.php>PROGRAM list</a><a href=index.php>home</a>||<a href=user_list.php>user list</a>||<a href=reset-password.php>Reset Password</a>
    </div>
--!>	
<script>
  window.history.back();
</script>

Edit file:superuser.php1456