log-in script problem

Original - php Code <? session_start(); include("../connect.php"); /** * Returns true if the username has been taken * by another user, false otherwise. */ function usernameTaken($username){ global $conn; if(!get_magic_quotes_gpc()){ $username = addslashes($username); } $q = "select username from users where username = '$username'"; $result = mysql_query($q,$conn); return (mysql_numrows($result) > 0); } /** * Inserts the given (username, password) pair * into the database. Returns true on success, * false otherwise. */ function addNewUser($username, $password, $email){ global $conn; $q = "INSERT INTO users VALUES ('$username', '$password', '$email')"; return mysql_query($q,$conn); } /** * Displays the appropriate message to the user * after the registration attempt. It displays a * success or failure status depending on a * session variable set during registration. */ function displayStatus(){ $uname = $_SESSION['reguname']; if($_SESSION['regresult']){ ?> Thank you <b><? echo $uname; ?></b>, your information has been added to the database, you may now <a href="index.php" title="Login"><b>log in</b></a>. <? } else{ ?> We're sorry, but an error has occurred and your registration for the username <b><? echo $uname; ?></b>, could not be completed.<br> Please try again at a later time. <? } unset($_SESSION['reguname']); unset($_SESSION['registered']); unset($_SESSION['regresult']); } if(isset($_SESSION['registered'])){ /** * This is the page that will be displayed after the * registration has been attempted. */ ?>

<?
session_start(); 
include("../connect.php");
 
/**
 * Returns true if the username has been taken
 * by another user, false otherwise.
 */
function usernameTaken($username){
   global $conn;
   if(!get_magic_quotes_gpc()){
      $username = addslashes($username);
   }
   $q = "select username from users where username = '$username'";
   $result = mysql_query($q,$conn);
   return (mysql_numrows($result) > 0);
}
 
/**
 * Inserts the given (username, password) pair
 * into the database. Returns true on success,
 * false otherwise.
 */
function addNewUser($username, $password, $email){
   global $conn;
   $q = "INSERT INTO users VALUES ('$username', '$password', '$email')";
   return mysql_query($q,$conn);
}
 
/**
 * Displays the appropriate message to the user
 * after the registration attempt. It displays a 
 * success or failure status depending on a
 * session variable set during registration.
 */
function displayStatus(){
   $uname = $_SESSION['reguname'];
   if($_SESSION['regresult']){
?>
 
 
Thank you <b><? echo $uname; ?></b>, your information has been added to the database, you may now <a href="index.php" title="Login"><b>log in</b></a>.
 
<?
   }
   else{
?>
 
We're sorry, but an error has occurred and your registration for the username <b><? echo $uname; ?></b>, could not be completed.<br>
Please try again at a later time.
<?
   }
   unset($_SESSION['reguname']);
   unset($_SESSION['registered']);
   unset($_SESSION['regresult']);
}
if(isset($_SESSION['registered'])){
/**
 * This is the page that will be displayed after the
 * registration has been attempted.
 */
?>