terminar chat forgot.php

<?php
require_once('config.php');
 if(!isset($_GET['go'])) {
$type = $_GET['type'];
   if($type == 1){
?>
<form method="GET">
<input type="hidden" name="go" value="Go" /><br />
E-Mail: <input type="text" name="email"/><br />
</form>
<?php
   };
 } else {
      if(filter_var($_GET["email"],FILTER_VALIDATE_EMAIL)) {
   if(mysql_num_rows(mysql_query("SELECT * FROM `chat` WHERE email = '".$_GET['email']."'")) > 0){
       $dados = mysql_fetch_array(mysql_query("SELECT * FROM `chat` WHERE email = '".$_GET['email']."'"));
      $nome = $dados['nome'];
      exit("Se você realmente for dono da conta ".$nome." clique <a href='javascript:forgot()'>aqui</a>");
   };
      };
 };
   ?>