The early days...

Index.php

<?php
error_reporting(0);

//$serverStatus = 'fucked';

if($serverStatus == 'fucked' && $_SERVER['REMOTE_ADDR'] != getAdminIP()){
header('HTTP/1.1 503 Service Unavailable');
@header("Status: 503 Service Temporarily Unavailable");
echo 'We are temporarily down for maintenance. Sorry!';

echo '<br><br><iframe scrolling="no" height="600" width="800" src="http://games.gamepilot.com/f5.swf" frameborder="0" id="gameIFrame"></iframe>';
exit;
}