<?php



function login_page($errorMessage)
{
	//Generate login page
	include 'db.php';
	include 'error.php';

	include 'header.php';
	echo "\n<span class=\"head0\">Admin Login</span><br>";
	if (isset($errorMessage))
		echo "\n<span class=\"head2\">$errorMessage</span>";
	?>
	<form method="post" action="admin_auth.php">
	<table border="0" width="100%" cellpadding="0" cellspacing="0">
		<tr><td width="170">Enter your username:</td><td><input type="text" size=20 maxlength=10 name="formUsername"></td></tr>     
		<tr><td>Enter your password:</td><td><input type="password" size=20 maxlength=10 name="formPassword"></td></tr>
		<tr><td>&nbsp;</td></tr>
		<tr><td colspan="2" align="center"><input type="submit" value="Log in"></td></tr>
    </table>

    </form>

	<?php

	include 'footer.php';
}

function logged_on_page($currentLoginName)
{
	//User logged in and authenticated
	include 'db.php';
	include 'error.php';
	include 'header.php';
	echo "\n<span class=\"head0\">Admin Login</span><br>";
	echo "\n<span class=\"head2\">You are currently logged in as $currentLoginName</span>";
	include 'footer.php';

}

//Main
session_start();
if(isset($_SESSION["authenticatedUser"]))
{
	//User logged on
	logged_on_page($_SESSION["authenticatedUser"]);
}else{
	//No session, display login and errormessage
	login_page($_SESSION["loginMessage"]);
	session_destroy();
}





?>