<?php

function authenticate($username, $password)
{
    $SETusername="todd";
    $SETpassword="1234";

    if ($username==$SETusername && $password==$SETpassword) {
            return true;
        } else {
            return false;
            }

    //write code that checks the arguments to make sure they match and returns true or false
    //if we're going to return true, store the username in the user's session
}//end authenticate

function getUsername()
{

}
function loggedIn()
{
    if (isset ($_SESSION['name'])) {
        echo ('<a href="logout.php">Logout</a><br />');
        } else {
    echo ('<a href="login.php">Login</a>');
        }
}

?>