first off try this.. look at my changes
<?
// Database Conenction String ------Start------
$connect = mysql_connect('localhost', 'XXXXXX', 'XXXXXX') or
die ("<b><center>".mysql_errno().": ".mysql_error()."</b></center>\n");
$db = mysql_select_db('DB_nac1362', $connect) or
die ("<b><center>".mysql_errno().": ".mysql_error()."</b></center>\n");
// Database Conenction String ------End------
if($username=="" || $fname=="" || $lname=="" || $email=="" || $city=="" || $state=="" || $age=="" || $password=="" || $eula=="no"){
include('emptyfield.php');
} elseif ($password!=$password2) {
include('nomatchpasswords.php');
} else {
// Start first SQL Statement
$sql = "SELECT * FROM users WHERE username='$username'";
$sql_result = mysql_query($sql, $connect) or
die ("<b><center>".mysql_errno().": ".mysql_error()."</b></center>\n");
$rows = mysql_num_rows($sql_result);
if($rows > "0"){
include('nametaken.php');
} else {
// Start Second SQL Statement
mysql_query("INSERT INTO users (username, password, fname, lname, age, email, city, state)
VALUES ('$username', '$password', '$fname', '$lname', '$age', '$email', '$city', '$state')");
include('accountsuccess.php');
touch($username.".php");
}
}
mysql_close($connect);
?>
second: you will need to make a script that will create a directory with the users name touch(); only creates a file