Untitled

login.js

$(document).ready(function()
{
	$.post("session.php", function(result) {
	if (result == "true") {
		document.getElementById('login').style.visibility = "hidden";
		alert("valid session");
	} else {
		alert("No session found");
	}});
});

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session.php

<?php
// make the query to session server here, for now we will simply return false
echo 'true';
?>

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index.php

<?php
require_once("session.php");

// initial settings for variables
$username = "";
$password = "";

// check for a session already established, if not we need to display the login form
?>
<!DOCTYPE html>
	<head>
		<title>
			Mooseman Studios D&D Character Sheets
		</title>
		<script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script>
		<script src='js/login.js'></script>

		<link type='text/css' rel='css/dnd.css'></link>
	</head>
	<body>
		<a href="D&D_4e_playerbook_starter.pdf">D&D 4th Edition Starter Kit Player Handbook</a><br/>
		<a href="4e_character_sheet_starter.pdf">D&D 4th Edition Starter Kit Character Sheet</a><br/>
		<form name="login" action="login.php" method="post">
			<label>Character Sheet Login</label><br/>
			<label>Username: </label><input type="text" name="username" value="<?php echo $username; ?>"><br/>
			<label>Password: </label><input type="password" name="password" value="<?php echo $password; ?>"><br/>
			<a href="register.php">Register</a> <a href="forgot.php">Forgot Password?</a>
		</form>
	</body>
</html>