my source code is .....
<?php
require_once dirname(__FILE__)."/src/phpfreechat.class.php";
$params = array();
$params["title"] = "Mororwor Chatroom";
$params["nick"] = "guest".rand(1,1000); // setup the intitial nickname
$params["theme"] = "msn";
$params["isadmin"] = true; // do not use it on production servers

$params["serverid"] = md5(__FILE__); // calculate a unique id for this chat
$params["language"] = "th_TH";
//$params["debug"] = true;
$chat = new phpFreeChat( $params );
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<title>phpFreeChat- Sources Index</title>
<?php $chat->printJavascript(); ?>
<?php $chat->printStyle(); ?>
<link rel="stylesheet" title="classic" type="text/css" href="style/generic.css" />
<link rel="stylesheet" title="classic" type="text/css" href="style/header.css" />
<link rel="stylesheet" title="classic" type="text/css" href="style/footer.css" />
<link rel="stylesheet" title="classic" type="text/css" href="style/menu.css" />
<link rel="stylesheet" title="classic" type="text/css" href="style/content.css" />
</head>
<body>
<div class="header">
<h1>phpFreeChat - Sources Index</h1>
<img alt="logo bulle" src="style/bulle.gif" class="logo2" />
</div>
<div class="menu">
<ul>
<li class="sub title">General</li>
<li>
<ul class="sub">
<li class="item">
<a href="demo/">Demos</a>
</li>
<?php if (file_exists(dirname(__FILE__)."/checkmd5.php")) { ?>
<li>
<a href="checkmd5.php">Check md5</a>
</li>
<?php } ?>
<!--
<li class="item">
<a href="admin/">Administration</a>
</li>
-->
</ul>
</li>
<li class="sub title">Documentation</li>
<li>
<ul>
<li class="item">
<a href="http://www.phpfreechat.net/overview">Overview [en]</a>
</li>
<li class="item">
<a href="http://www.phpfreechat.net/fr/overview">Overview [fr]</a>
</li>
<li class="item">
<a href="http://www.phpfreechat.net/es/overview">Overview [es]</a>
</li>
<li class="item">
<a href="http://www.phpfreechat.net/zh/overview">Overview [zh]</a>
</li>
<li class="item">
<a href="http://www.phpfreechat.net/ar/overview">Overview [ar]</a>
</li>
<li class="item">
<a href="http://www.phpfreechat.net/quickstart">Quickstart [en]</a>
</li>
<li class="item">
<a href="http://www.phpfreechat.net/fr/quickstart">En avant ! [fr]</a>
</li>
<li class="item">
<a href="http://www.phpfreechat.net/parameters">Parameters list [en]</a>
</li>
<li class="item">
<a href="http://www.phpfreechat.net/faq">FAQ [en]</a>
</li>
<li class="item">
<a href="http://www.phpfreechat.net/fr/faq">FAQ [fr]</a>
</li>
<li class="item">
<a href="http://www.phpfreechat.net/advanced-configuration">Advanced configuration [en]</a>
</li>
<li class="item">
<a href="http://www.phpfreechat.net/fr/advanced-configuration">Configuration avanc?e [fr]</a>
</li>
<li class="item">
<a href="http://www.phpfreechat.net/customize">Customize [en]</a>
</li>
</ul>
</li>
</ul>
<p class="partner">
<a href="http://www.phpfreechat.net"><img alt="phpfreechat.net" src="style/logo_88x31.gif" /></a><br/>
<a href="http://www.jeu-gratuit.net/">jeu-gratuit</a><br/>
<a href="http://jeux-flash.jeu-gratuit.net/">jeux-flash</a><br/>
<a href="http://www.pronofun.com/">pronofun</a><br/>
<a href="http://areno.jeu-gratuit.net/">areno</a><br/>
<a href="http://www.micropolia.com/">micropolia</a><br/>
<a href="http://www.zeitoun.net/">zeitoun</a><br/>
<a href="http://www.hotscripts.com/?RID=N452772">hotscripts</a><br/>
</p>
</div>
<div class="content">
<?php $chat->printChat(); ?>
<?php if (isset($params["isadmin"]) && $params["isadmin"]) { ?>
<p style="color:red;font-weight:bold;">Warning: because of "isadmin" parameter, everybody is admin. Please modify this script before using it on production servers !</p>
<?php } ?>
</div>
</body></html>