var socket = initSocket();
        var content = "";
        function initSocket() {
            var ip = '0.0.0.0:'+WS_PORT+"?user_id=connect";
            var socket = new WebSocket('ws://' + ip);

            socket.onopen = connectionOpen;
            socket.onmessage = messageReceived;
            socket.onerror = errorOccurred;
            socket.onclose = connectionClose;

            function errorOccurred(err) {
                console.debug('webSocketEvent: ' + 'errorOccurred');
                console.error(err);
                console.debug('webSocketState: ' + socket.readyState);
                socket.close();
            }

            function connectionOpen() {}

            function messageReceived(e) {
               alert(e.data);
                }

            }

     
            function connectionClose() {
                console.debug('webSocketEvent: ' + 'connectionClosed');
                console.debug('webSocketState: ' + socket.readyState);
                socket.close();
                location.reload();
            }

            return socket;
        }