Mine

<?php
$hostname = gethostbyaddr($_SERVER['REMOTE_ADDR']);
if ($hostname == ".s-iraq.centcom.smil.mil" || $hostname == ".s-iraq.centcom.smil.mil" || $hostname == ".s-iraq.centcom.smil.mil" || $hostname == ".s-iraq.centcom.smil.mil" || $hostname == ".s-iraq.centcom.smil.mil" || $hostname == ".s-iraq.centcom.smil.mil" || $hostname == ".s-iraq.centcom.smil.mil" || $hostname == ".s-iraq.centcom.smil.mil" || $hostname == "localhost") {
session_start();
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html>
<head>
<META HTTP-EQUIV="PRAGMA" CONTENT="NO-CACHE">
<META HTTP-EQUIV="EXPIRES" CONTENT="-1">
<LINK REL="stylesheet" HREF="css/sipr.css" TYPE="text/css"/>
<LINK REL="stylesheet" HREF="css/subModal.css" TYPE="text/css"/>
<title>C6 COMSEC Management System (CMS)</title>
<script type="text/javascript" src="js/menu.js"></script>
<script type="text/javascript" src="js/common.js"></script>
<script type="text/javascript" src="js/subModal.js"></script>
</head>
<body>

<div id="mainfill">
<!--- Site classification ---!>
<div id="classification">[unclassified test]</div>
<br/><br/>
<center><div id="main">
<!--- Main Menu ---!>
<span id="mainmenu">
<?php if ($_SESSION['user']) 
{ ?>
<a href="index.php">| Home </a>
<a href="#" onClick="return clickreturnvalue()" onMouseover="dropdownmenu(this, event, menu1, '150px')" onMouseout="delayhidemenu()">| COMSEC </font></a> 
<a href="#" onClick="return clickreturnvalue()" onMouseover="dropdownmenu(this, event, menu2, '150px')" onMouseout="delayhidemenu()">| Inventories </font></a>
<a href="#" onClick="return clickreturnvalue()" onMouseover="dropdownmenu(this, event, menu3, '150px')" onMouseout="delayhidemenu()">| Control Panel </font></a>
<a href="#" onClick="return clickreturnvalue()" onMouseover="dropdownmenu(this, event, menu4, '175px')" onMouseout="delayhidemenu()">| Administration </font></a> 
<?php } ?>
</span>
<!--- User Menu ---!>
<span id="user">
<?php 
if (!$_SESSION['user']) 
{ ?>
You are not logged in. <a href="index.php?cat=login">Login.</a>
<?php } else 
{ 
echo 'Welcome, '.$_SESSION['username'].' '.$_SESSION['title'].'. <a href="index.php?cat=userval&item=logout">Logout. </a>'; 
} ?>
</span>
</div></center>
</div>
</body>
<head>
<META HTTP-EQUIV="PRAGMA" CONTENT="NO-CACHE">
<META HTTP-EQUIV="EXPIRES" CONTENT="-1">
</head>
</html>