Chat Script Similar to Facebook using Ajax and PHP

THE ONLY SETTING YOU NEED TO DO TO USE THE CHAT SCRIPT

<?php
// Database Connection Details
define("HOST", 'localhost');    // The host you want to connect to.
define("USER", 'root');    		// The database username. 
define("PASSWORD", '');    		// The database password. 
define("DATABASE", 'demo');    // The database name.

// Change this to suit your users table name
define('USERS_TABLE_NAME', 'vchatusers'); 

//Replace $SESSION_USER_ID with your logged in users session username
// Make sure that username exist in the users table in the database
define("SESSION_USER_ID", $SESSION_USER_ID);

//Set the full URL to the chat script folder
define('FULL_URL_TO_VCHAT_FOLDER', 'http://localhost/demos/chat/');

 //Set the full URL to your profile photos folder
define('FULL_URL_TO_PHOTOS_FOLDER', 'http://localhost/demos/chat/photos/'); 
?>