checklogin

<?php

mysql_connect("localhost", "root", "mypassword")or die("cannot connect");
mysql_select_db("lunch_punch")or die("cannot select DB");

$myname=$_POST['myname'];


session_register("myname");
header("location:login_success.php");
}
else {
echo "Wrong Username or Password";
}

<?php
session_start();
if(!session_is_registered(myname)){
header("location:home.html");
}
?>

<html>
<body>
Login Successful
</body>
</html>