index.php chat

<?php
require_once "headers/config.php";
?>
<html>
<head>
<!--
   JSChat v6
   Por edi472
   09/06/2012
    (c) 2012
-->
<title>JSChat</title>
<link href="css/jquery/jquery-ui.css" rel="stylesheet" type="text/css"/>
<link href="css/css.css" rel="stylesheet" type="text/css"/>
<script src="js/jquery/jquery.min.js"></script>
<script src="js/jquery/jquery-ui.min.js"></script>
<script src='js/chat.js'></script>
<script type="text/javascript">
user_hash = '<?php echo md5($_COOKIE['__chat_session']); ?>';
</script>
<?php if(!isset($_COOKIE['chat_sid'])){ ?>
<script type="text/javascript">
$(function(){
c = false;
chat.startonwindow(0, window);
});
</script>
<?php } else { ?>
<script type='text/javascript'>
  $(function(){
  c = true;
   chat.startonwindow(1, window);
  });
 <?php
   $check_rank = mysql_fetch_array(mysql_query("SELECT * FROM `chat` WHERE nome='".config('nome')."'"));
    if($check_rank['rank'] == 3) {
 ?>
 admin = 1;
 <?php } else { ?>
 admin = !1;
<?php }; ?>
</script>
<?php }; ?>
</head>
<body>
<center>
<div style='text-align:center;display:none' name="chat-go"></div>
<div name='chat' class="ui-corner-all ui-widget ui-widget-content" style="display:none;padding:5px;height:400px;width:550px;position:fixed;bottom:0;right:0">
<div class="ui-corner-all ui-widget ui-widget-header" style="padding:5px;width:530px">
<span>Chat</span><a style="float:right" title="Fechar"><span class="ui-icon ui-icon-close"></span></a></div><br><br>
<div name="chat-box" style="overflow:auto;height:250px"><br><br><b>Mensagens</b></div>
<div style="padding:30px" name="chat-tools">Mensagem: <input size='50' name="chat-msg"type="text"><br>
<button name='chat-send'>Enviar</button> <button name='chat-viewcommands'>Comandos</button> <button name='chat-whoisonline'>Usuários Online</button> <button name='chat-logout'>Sair</button>
</div>
</div>
</div>
</center>
</body>
</html>