    connect  : send_message,
            callback : function(message) {
                output.innerHTML = output.count++ + ': ' +
                    message + '<br>' + output.innerHTML;
            }
        });

        function send_message() {
            secure_pubnub.publish({
                channel : channel,
                message : message.value
            });
        }

        send_message();
        setInterval( send_message, 1000);

        PUBNUB.attr(
            start_button,
           