eClick(event) {
            event.preventDefault();
            event.stopPropagation();
            return false;
        }

        $(document).keydown(keydown);
        $(document).keyup(keyup);

        paper = Raphael("tiles", W, H);

        $("#error").hide();

        $("#go").click(
            function () {
                if (driver.isRunning()) {
                    driver.stop();
                } else {
                    driver.start();
                }
            }
        );

        $("