Connection to the MtGox websocket using node.js Websocket library: https://github.com/Worlize/WebSocket-Node

test.js

var websocket = require('websocket');

var client = new websocket.client();

client.on('connectFailed', function() { console.log(arguments); });

client.on('connect', function(conn) {
  console.log('connected!');
  conn.on('message', function(message) {
    console.log(message);
  });
});

client.connect('wss://websocket.mtgox.com:443/mtgox', [], 'test.com:80');