static function init(){
		global $databaseConfig;

		if (!isset($databaseConfig)) {
			$databaseConfig = array (
				'server'    => SS_DATABASE_SERVER,
				'username'  => SS_DATABASE_USERNAME,
				'password'  => SS_DATABASE_PASSWORD,
				'database'  => SS_DATABASE_NAME,
			);
		}

		self::$conn = new mysqli($databaseConfig['server'], $databaseConfig['username'], $databaseConfig['password'], $databaseConfig['database']);
		self::$conn->query("set sql_mode='ansi'");
	}