config.php

<?php
# Report all PHP errors (see changelog)
error_reporting(E_ALL ^ E_NOTICE);
#ini_set('display_errors','On'); 

session_start();

# The location of the configuration dialog
$_SESSION['loginConnName'] = '127.0.0.1:27017';
$_SESSION['loginDBName'] = 'slideatlas';

// initialize a session
if (!isset($_SESSION['book'])) 
	{
	// if no data, print the form
	header('location:index.php');
	}
else
	{
	# define some variables
	$database = $_SESSION['book'];
	$base_url = "tile.php";
	$server = $_SESSION['host'];
	}
?>