From a74c0f0c35b5c6b68619c078c1eabb2f5757040b Mon Sep 17 00:00:00 2001
From: Darren <darren@darrenwhitlen.com>
Date: Mon, 17 Feb 2014 16:33:00 +0000
Subject: [PATCH] Reverting client engine.io upgrade

---
 client/assets/libs/engine.io.js | 3775 ++++++++++++++++---------------
 1 file changed, 2002 insertions(+), 1773 deletions(-)

diff --git a/client/assets/libs/engine.io.js b/client/assets/libs/engine.io.js
index ec5089f..f38b4df 100644
--- a/client/assets/libs/engine.io.js
+++ b/client/assets/libs/engine.io.js
@@ -1,1638 +1,1876 @@
-!function(e){"object"==typeof exports?module.exports=e():"function"==typeof define&&define.amd?define(e):"undefined"!=typeof window?window.eio=e():"undefined"!=typeof global?global.eio=e():"undefined"!=typeof self&&(self.eio=e())}(function(){var define,module,exports;
-return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
-
-module.exports =  require('./lib/');
-
-},{"./lib/":3}],2:[function(require,module,exports){
+;(function(){
 
 /**
- * Module dependencies.
+ * Require the given path.
+ *
+ * @param {String} path
+ * @return {Object} exports
+ * @api public
  */
 
-var Emitter = require('emitter');
+function require(path, parent, orig) {
+  var resolved = require.resolve(path);
 
-/**
- * Module exports.
- */
+  // lookup failed
+  if (null == resolved) {
+    orig = orig || path;
+    parent = parent || 'root';
+    var err = new Error('Failed to require "' + orig + '" from "' + parent + '"');
+    err.path = orig;
+    err.parent = parent;
+    err.require = true;
+    throw err;
+  }
 
-module.exports = Emitter;
+  var module = require.modules[resolved];
+
+  // perform real require()
+  // by invoking the module's
+  // registered function
+  if (!module.exports) {
+    module.exports = {};
+    module.client = module.component = true;
+    module.call(this, module.exports, require.relative(resolved), module);
+  }
+
+  return module.exports;
+}
 
 /**
- * Compatibility with `WebSocket#addEventListener`.
- *
- * @api public
+ * Registered modules.
  */
 
-Emitter.prototype.addEventListener = Emitter.prototype.on;
+require.modules = {};
 
 /**
- * Compatibility with `WebSocket#removeEventListener`.
- *
- * @api public
+ * Registered aliases.
  */
 
-Emitter.prototype.removeEventListener = Emitter.prototype.off;
+require.aliases = {};
 
 /**
- * Node-compatible `EventEmitter#removeListener`
+ * Resolve `path`.
  *
- * @api public
+ * Lookup:
+ *
+ *   - PATH/index.js
+ *   - PATH.js
+ *   - PATH
+ *
+ * @param {String} path
+ * @return {String} path or null
+ * @api private
  */
 
-Emitter.prototype.removeListener = Emitter.prototype.off;
+require.resolve = function(path) {
+  if (path.charAt(0) === '/') path = path.slice(1);
+  var index = path + '/index.js';
 
-},{"emitter":15}],3:[function(require,module,exports){
+  var paths = [
+    path,
+    path + '.js',
+    path + '.json',
+    path + '/index.js',
+    path + '/index.json'
+  ];
 
-module.exports = require('./socket');
+  for (var i = 0; i < paths.length; i++) {
+    var path = paths[i];
+    if (require.modules.hasOwnProperty(path)) return path;
+  }
+
+  if (require.aliases.hasOwnProperty(index)) {
+    return require.aliases[index];
+  }
+};
 
 /**
- * Exports parser
- *
- * @api public
+ * Normalize `path` relative to the current path.
  *
+ * @param {String} curr
+ * @param {String} path
+ * @return {String}
+ * @api private
  */
-module.exports.parser = require('engine.io-parser');
 
-},{"./socket":4,"engine.io-parser":16}],4:[function(require,module,exports){
-/**
- * Module dependencies.
- */
+require.normalize = function(curr, path) {
+  var segs = [];
 
-var util = require('./util');
-var transports = require('./transports');
-var Emitter = require('./emitter');
-var debug = require('debug')('engine.io-client:socket');
-var index = require('indexof');
-var parser = require('engine.io-parser');
+  if ('.' != path.charAt(0)) return path;
 
-/**
- * Module exports.
- */
+  curr = curr.split('/');
+  path = path.split('/');
 
-module.exports = Socket;
+  for (var i = 0; i < path.length; ++i) {
+    if ('..' == path[i]) {
+      curr.pop();
+    } else if ('.' != path[i] && '' != path[i]) {
+      segs.push(path[i]);
+    }
+  }
+
+  return curr.concat(segs).join('/');
+};
 
 /**
- * Global reference.
+ * Register module at `path` with callback `definition`.
+ *
+ * @param {String} path
+ * @param {Function} definition
+ * @api private
  */
 
-var global = require('global');
+require.register = function(path, definition) {
+  require.modules[path] = definition;
+};
 
 /**
- * Noop function.
+ * Alias a module definition.
  *
+ * @param {String} from
+ * @param {String} to
  * @api private
  */
 
-function noop(){}
+require.alias = function(from, to) {
+  if (!require.modules.hasOwnProperty(from)) {
+    throw new Error('Failed to alias "' + from + '", it does not exist');
+  }
+  require.aliases[to] = from;
+};
 
 /**
- * Socket constructor.
+ * Return a require function relative to the `parent` path.
  *
- * @param {String|Object} uri or options
- * @param {Object} options
- * @api public
+ * @param {String} parent
+ * @return {Function}
+ * @api private
  */
 
-function Socket(uri, opts){
-  if (!(this instanceof Socket)) return new Socket(uri, opts);
+require.relative = function(parent) {
+  var p = require.normalize(parent, '..');
 
-  opts = opts || {};
+  /**
+   * lastIndexOf helper.
+   */
 
-  if (uri && 'object' == typeof uri) {
-    opts = uri;
-    uri = null;
+  function lastIndexOf(arr, obj) {
+    var i = arr.length;
+    while (i--) {
+      if (arr[i] === obj) return i;
+    }
+    return -1;
   }
 
-  if (uri) {
-    uri = util.parseUri(uri);
-    opts.host = uri.host;
-    opts.secure = uri.protocol == 'https' || uri.protocol == 'wss';
-    opts.port = uri.port;
-    if (uri.query) opts.query = uri.query;
+  /**
+   * The relative require() itself.
+   */
+
+  function localRequire(path) {
+    var resolved = localRequire.resolve(path);
+    return require(resolved, parent, path);
   }
 
-  this.secure = null != opts.secure ? opts.secure :
-    (global.location && 'https:' == location.protocol);
+  /**
+   * Resolve relative to the parent.
+   */
 
-  if (opts.host) {
-    var pieces = opts.host.split(':');
-    opts.hostname = pieces.shift();
-    if (pieces.length) opts.port = pieces.pop();
-  }
+  localRequire.resolve = function(path) {
+    var c = path.charAt(0);
+    if ('/' == c) return path.slice(1);
+    if ('.' == c) return require.normalize(p, path);
 
-  this.agent = opts.agent || false;
-  this.hostname = opts.hostname ||
-    (global.location ? location.hostname : 'localhost');
-  this.port = opts.port || (global.location && location.port ?
-       location.port :
-       (this.secure ? 443 : 80));
-  this.query = opts.query || {};
-  if ('string' == typeof this.query) this.query = util.qsParse(this.query);
-  this.upgrade = false !== opts.upgrade;
-  this.path = (opts.path || '/engine.io').replace(/\/$/, '') + '/';
-  this.forceJSONP = !!opts.forceJSONP;
-  this.timestampParam = opts.timestampParam || 't';
-  this.timestampRequests = opts.timestampRequests;
-  this.flashPath = opts.flashPath || '';
-  this.transports = opts.transports || ['polling', 'websocket', 'flashsocket'];
-  this.readyState = '';
-  this.writeBuffer = [];
-  this.callbackBuffer = [];
-  this.policyPort = opts.policyPort || 843;
-  this.open();
-}
+    // resolve deps by returning
+    // the dep in the nearest "deps"
+    // directory
+    var segs = parent.split('/');
+    var i = lastIndexOf(segs, 'deps') + 1;
+    if (!i) i = 0;
+    path = segs.slice(0, i + 1).join('/') + '/deps/' + path;
+    return path;
+  };
 
-/**
- * Mix in `Emitter`.
- */
+  /**
+   * Check if module is defined at `path`.
+   */
 
-Emitter(Socket.prototype);
+  localRequire.exists = function(path) {
+    return require.modules.hasOwnProperty(localRequire.resolve(path));
+  };
+
+  return localRequire;
+};
+require.register("component-emitter/index.js", function(exports, require, module){
 
 /**
- * Protocol version.
- *
- * @api public
+ * Expose `Emitter`.
  */
 
-Socket.protocol = parser.protocol; // this is an int
+module.exports = Emitter;
 
 /**
- * Expose deps for legacy compatibility
- * and standalone browser access.
+ * Initialize a new `Emitter`.
+ *
+ * @api public
  */
 
-Socket.Socket = Socket;
-Socket.Transport = require('./transport');
-Socket.Emitter = require('./emitter');
-Socket.transports = require('./transports');
-Socket.util = require('./util');
-Socket.parser = require('engine.io-parser');
+function Emitter(obj) {
+  if (obj) return mixin(obj);
+};
 
 /**
- * Creates transport of the given type.
+ * Mixin the emitter properties.
  *
- * @param {String} transport name
- * @return {Transport}
+ * @param {Object} obj
+ * @return {Object}
  * @api private
  */
 
-Socket.prototype.createTransport = function (name) {
-  debug('creating transport "%s"', name);
-  var query = clone(this.query);
-
-  // append engine.io protocol identifier
-  query.EIO = parser.protocol;
-
-  // transport name
-  query.transport = name;
-
-  // session id if we already have one
-  if (this.id) query.sid = this.id;
-
-  var transport = new transports[name]({
-    agent: this.agent,
-    hostname: this.hostname,
-    port: this.port,
-    secure: this.secure,
-    path: this.path,
-    query: query,
-    forceJSONP: this.forceJSONP,
-    timestampRequests: this.timestampRequests,
-    timestampParam: this.timestampParam,
-    flashPath: this.flashPath,
-    policyPort: this.policyPort
-  });
-
-  return transport;
-};
-
-function clone (obj) {
-  var o = {};
-  for (var i in obj) {
-    if (obj.hasOwnProperty(i)) {
-      o[i] = obj[i];
-    }
+function mixin(obj) {
+  for (var key in Emitter.prototype) {
+    obj[key] = Emitter.prototype[key];
   }
-  return o;
+  return obj;
 }
 
 /**
- * Initializes transport to use and starts probe.
+ * Listen on the given `event` with `fn`.
  *
- * @api private
+ * @param {String} event
+ * @param {Function} fn
+ * @return {Emitter}
+ * @api public
  */
 
-Socket.prototype.open = function () {
-  var transport = this.transports[0];
-  this.readyState = 'opening';
-  var transport = this.createTransport(transport);
-  transport.open();
-  this.setTransport(transport);
+Emitter.prototype.on = function(event, fn){
+  this._callbacks = this._callbacks || {};
+  (this._callbacks[event] = this._callbacks[event] || [])
+    .push(fn);
+  return this;
 };
 
 /**
- * Sets the current transport. Disables the existing one (if any).
+ * Adds an `event` listener that will be invoked a single
+ * time then automatically removed.
  *
- * @api private
+ * @param {String} event
+ * @param {Function} fn
+ * @return {Emitter}
+ * @api public
  */
 
-Socket.prototype.setTransport = function(transport){
-  debug('setting transport %s', transport.name);
+Emitter.prototype.once = function(event, fn){
   var self = this;
+  this._callbacks = this._callbacks || {};
 
-  if (this.transport) {
-    debug('clearing existing transport %s', this.transport.name);
-    this.transport.removeAllListeners();
+  function on() {
+    self.off(event, on);
+    fn.apply(this, arguments);
   }
 
-  // set up transport
-  this.transport = transport;
-
-  // set up transport listeners
-  transport
-  .on('drain', function(){
-    self.onDrain();
-  })
-  .on('packet', function(packet){
-    self.onPacket(packet);
-  })
-  .on('error', function(e){
-    self.onError(e);
-  })
-  .on('close', function(){
-    self.onClose('transport close');
-  });
+  fn._off = on;
+  this.on(event, on);
+  return this;
 };
 
 /**
- * Probes a transport.
+ * Remove the given callback for `event` or all
+ * registered callbacks.
  *
- * @param {String} transport name
- * @api private
+ * @param {String} event
+ * @param {Function} fn
+ * @return {Emitter}
+ * @api public
  */
 
-Socket.prototype.probe = function (name) {
-  debug('probing transport "%s"', name);
-  var transport = this.createTransport(name, { probe: 1 })
-    , failed = false
-    , self = this;
-
-  transport.once('open', function () {
-    if (failed) return;
+Emitter.prototype.off =
+Emitter.prototype.removeListener =
+Emitter.prototype.removeAllListeners = function(event, fn){
+  this._callbacks = this._callbacks || {};
 
-    debug('probe transport "%s" opened', name);
-    transport.send([{ type: 'ping', data: 'probe' }]);
-    transport.once('packet', function (msg) {
-      if (failed) return;
-      if ('pong' == msg.type && 'probe' == msg.data) {
-        debug('probe transport "%s" pong', name);
-        self.upgrading = true;
-        self.emit('upgrading', transport);
+  // all
+  if (0 == arguments.length) {
+    this._callbacks = {};
+    return this;
+  }
 
-        debug('pausing current transport "%s"', self.transport.name);
-        self.transport.pause(function () {
-          if (failed) return;
-          if ('closed' == self.readyState || 'closing' == self.readyState) {
-            return;
-          }
-          debug('changing transport and sending upgrade packet');
-          transport.removeListener('error', onerror);
-          self.emit('upgrade', transport);
-          self.setTransport(transport);
-          transport.send([{ type: 'upgrade' }]);
-          transport = null;
-          self.upgrading = false;
-          self.flush();
-        });
-      } else {
-        debug('probe transport "%s" failed', name);
-        var err = new Error('probe error');
-        err.transport = transport.name;
-        self.emit('upgradeError', err);
-      }
-    });
-  });
-
-  transport.once('error', onerror);
-  function onerror(err) {
-    if (failed) return;
+  // specific event
+  var callbacks = this._callbacks[event];
+  if (!callbacks) return this;
 
-    // Any callback called by transport should be ignored since now
-    failed = true;
+  // remove all handlers
+  if (1 == arguments.length) {
+    delete this._callbacks[event];
+    return this;
+  }
 
-    var error = new Error('probe error: ' + err);
-    error.transport = transport.name;
+  // remove specific handler
+  var i = callbacks.indexOf(fn._off || fn);
+  if (~i) callbacks.splice(i, 1);
+  return this;
+};
 
-    transport.close();
-    transport = null;
+/**
+ * Emit `event` with the given args.
+ *
+ * @param {String} event
+ * @param {Mixed} ...
+ * @return {Emitter}
+ */
 
-    debug('probe transport "%s" failed because of error: %s', name, err);
+Emitter.prototype.emit = function(event){
+  this._callbacks = this._callbacks || {};
+  var args = [].slice.call(arguments, 1)
+    , callbacks = this._callbacks[event];
 
-    self.emit('upgradeError', error);
+  if (callbacks) {
+    callbacks = callbacks.slice(0);
+    for (var i = 0, len = callbacks.length; i < len; ++i) {
+      callbacks[i].apply(this, args);
+    }
   }
 
-  transport.open();
+  return this;
+};
 
-  this.once('close', function () {
-    if (transport) {
-      debug('socket closed prematurely - aborting probe');
-      failed = true;
-      transport.close();
-      transport = null;
-    }
-  });
+/**
+ * Return array of callbacks for `event`.
+ *
+ * @param {String} event
+ * @return {Array}
+ * @api public
+ */
 
-  this.once('upgrading', function (to) {
-    if (transport && to.name != transport.name) {
-      debug('"%s" works - aborting "%s"', to.name, transport.name);
-      transport.close();
-      transport = null;
-    }
-  });
+Emitter.prototype.listeners = function(event){
+  this._callbacks = this._callbacks || {};
+  return this._callbacks[event] || [];
 };
 
 /**
- * Called when connection is deemed open.
+ * Check if this emitter has `event` handlers.
  *
+ * @param {String} event
+ * @return {Boolean}
  * @api public
  */
 
-Socket.prototype.onOpen = function () {
-  debug('socket open');
-  this.readyState = 'open';
-  this.emit('open');
-  this.onopen && this.onopen.call(this);
-  this.flush();
+Emitter.prototype.hasListeners = function(event){
+  return !! this.listeners(event).length;
+};
 
-  // we check for `readyState` in case an `open`
-  // listener already closed the socket
-  if ('open' == this.readyState && this.upgrade && this.transport.pause) {
-    debug('starting upgrade probes');
-    for (var i = 0, l = this.upgrades.length; i < l; i++) {
-      this.probe(this.upgrades[i]);
-    }
+});
+require.register("component-indexof/index.js", function(exports, require, module){
+
+var indexOf = [].indexOf;
+
+module.exports = function(arr, obj){
+  if (indexOf) return arr.indexOf(obj);
+  for (var i = 0; i < arr.length; ++i) {
+    if (arr[i] === obj) return i;
   }
+  return -1;
 };
-
+});
+require.register("LearnBoost-engine.io-protocol/lib/index.js", function(exports, require, module){
 /**
- * Handles a packet.
- *
- * @api private
+ * Module dependencies.
  */
 
-Socket.prototype.onPacket = function (packet) {
-  if ('opening' == this.readyState || 'open' == this.readyState) {
-    debug('socket receive: type "%s", data "%s"', packet.type, packet.data);
+var keys = require('./keys');
 
-    this.emit('packet', packet);
+/**
+ * Current protocol version.
+ */
+exports.protocol = 2;
 
-    // Socket is live - any packet counts
-    this.emit('heartbeat');
+/**
+ * Packet types.
+ */
 
-    switch (packet.type) {
-      case 'open':
-        this.onHandshake(util.parseJSON(packet.data));
-        break;
+var packets = exports.packets = {
+    open:     0    // non-ws
+  , close:    1    // non-ws
+  , ping:     2
+  , pong:     3
+  , message:  4
+  , upgrade:  5
+  , noop:     6
+};
 
-      case 'pong':
-        this.setPing();
-        break;
+var packetslist = keys(packets);
 
-      case 'error':
-        var err = new Error('server error');
-        err.code = packet.data;
-        this.emit('error', err);
-        break;
+/**
+ * Premade error packet.
+ */
 
-      case 'message':
-        this.emit('data', packet.data);
-        this.emit('message', packet.data);
-        var event = { data: packet.data };
-        event.toString = function () {
-          return packet.data;
-        };
-        this.onmessage && this.onmessage.call(this, event);
-        break;
-    }
-  } else {
-    debug('packet received with socket readyState "%s"', this.readyState);
-  }
-};
+var err = { type: 'error', data: 'parser error' };
 
 /**
- * Called upon handshake completion.
+ * Encodes a packet.
+ *
+ *     <packet type id> [ `:` <data> ]
+ *
+ * Example:
+ *
+ *     5:hello world
+ *     3
+ *     4
  *
- * @param {Object} handshake obj
  * @api private
  */
 
-Socket.prototype.onHandshake = function (data) {
-  this.emit('handshake', data);
-  this.id = data.sid;
-  this.transport.query.sid = data.sid;
-  this.upgrades = this.filterUpgrades(data.upgrades);
-  this.pingInterval = data.pingInterval;
-  this.pingTimeout = data.pingTimeout;
-  this.onOpen();
-  this.setPing();
+exports.encodePacket = function (packet) {
+  var encoded = packets[packet.type];
 
-  // Prolong liveness of socket on heartbeat
-  this.removeListener('heartbeat', this.onHeartbeat);
-  this.on('heartbeat', this.onHeartbeat);
+  // data fragment is optional
+  if (undefined !== packet.data) {
+    encoded += String(packet.data);
+  }
+
+  return '' + encoded;
 };
 
 /**
- * Resets ping timeout.
+ * Decodes a packet.
  *
+ * @return {Object} with `type` and `data` (if any)
  * @api private
  */
 
-Socket.prototype.onHeartbeat = function (timeout) {
-  clearTimeout(this.pingTimeoutTimer);
-  var self = this;
-  self.pingTimeoutTimer = setTimeout(function () {
-    if ('closed' == self.readyState) return;
-    self.onClose('ping timeout');
-  }, timeout || (self.pingInterval + self.pingTimeout));
+exports.decodePacket = function (data) {
+  var type = data.charAt(0);
+
+  if (Number(type) != type || !packetslist[type]) {
+    return err;
+  }
+
+  if (data.length > 1) {
+    return { type: packetslist[type], data: data.substring(1) };
+  } else {
+    return { type: packetslist[type] };
+  }
 };
 
 /**
- * Pings server every `this.pingInterval` and expects response
- * within `this.pingTimeout` or closes connection.
+ * Encodes multiple messages (payload).
+ *
+ *     <length>:data
  *
+ * Example:
+ *
+ *     11:hello world2:hi
+ *
+ * @param {Array} packets
  * @api private
  */
 
-Socket.prototype.setPing = function () {
-  var self = this;
-  clearTimeout(self.pingIntervalTimer);
-  self.pingIntervalTimer = setTimeout(function () {
-    debug('writing ping packet - expecting pong within %sms', self.pingTimeout);
-    self.ping();
-    self.onHeartbeat(self.pingTimeout);
-  }, self.pingInterval);
+exports.encodePayload = function (packets) {
+  if (!packets.length) {
+    return '0:';
+  }
+
+  var encoded = '';
+  var message;
+
+  for (var i = 0, l = packets.length; i < l; i++) {
+    message = exports.encodePacket(packets[i]);
+    encoded += message.length + ':' + message;
+  }
+
+  return encoded;
 };
 
-/**
-* Sends a ping packet.
-*
-* @api public
-*/
+/*
+ * Decodes data when a payload is maybe expected.
+ *
+ * @param {String} data, callback method
+ * @api public
+ */
+
+exports.decodePayload = function (data, callback) {
+  var packet;
+  if (data == '') {
+    // parser error - ignoring payload
+    return callback(err, 0, 1);
+  }
+
+  var length = ''
+    , n, msg;
+
+  for (var i = 0, l = data.length; i < l; i++) {
+    var chr = data.charAt(i);
+
+    if (':' != chr) {
+      length += chr;
+    } else {
+      if ('' == length || (length != (n = Number(length)))) {
+        // parser error - ignoring payload
+        return callback(err, 0, 1);
+      }
+
+      msg = data.substr(i + 1, n);
+
+      if (length != msg.length) {
+        // parser error - ignoring payload
+        return callback(err, 0, 1);
+      }
+
+      if (msg.length) {
+        packet = exports.decodePacket(msg);
+
+        if (err.type == packet.type && err.data == packet.data) {
+          // parser error in individual packet - ignoring payload
+          return callback(err, 0, 1);
+        }
+
+        var ret = callback(packet, i + n, l);
+        if (false === ret) return;
+      }
+
+      // advance cursor
+      i += n;
+      length = '';
+    }
+  }
+
+  if (length != '') {
+    // parser error - ignoring payload
+    return callback(err, 0, 1);
+  }
 
-Socket.prototype.ping = function () {
-  this.sendPacket('ping');
 };
 
+});
+require.register("LearnBoost-engine.io-protocol/lib/keys.js", function(exports, require, module){
+
 /**
- * Called on `drain` event
+ * Gets the keys for an object.
  *
+ * @return {Array} keys
  * @api private
  */
 
- Socket.prototype.onDrain = function() {
-  for (var i = 0; i < this.prevBufferLen; i++) {
-    if (this.callbackBuffer[i]) {
-      this.callbackBuffer[i]();
+module.exports = Object.keys || function keys (obj){
+  var arr = [];
+  var has = Object.prototype.hasOwnProperty;
+
+  for (var i in obj) {
+    if (has.call(obj, i)) {
+      arr.push(i);
     }
   }
+  return arr;
+};
 
-  this.writeBuffer.splice(0, this.prevBufferLen);
-  this.callbackBuffer.splice(0, this.prevBufferLen);
+});
+require.register("visionmedia-debug/index.js", function(exports, require, module){
+if ('undefined' == typeof window) {
+  module.exports = require('./lib/debug');
+} else {
+  module.exports = require('./debug');
+}
 
-  // setting prevBufferLen = 0 is very important
-  // for example, when upgrading, upgrade packet is sent over,
-  // and a nonzero prevBufferLen could cause problems on `drain`
-  this.prevBufferLen = 0;
+});
+require.register("visionmedia-debug/debug.js", function(exports, require, module){
 
-  if (this.writeBuffer.length == 0) {
-    this.emit('drain');
-  } else {
-    this.flush();
-  }
-};
+/**
+ * Expose `debug()` as the module.
+ */
+
+module.exports = debug;
 
 /**
- * Flush write buffers.
+ * Create a debugger with the given `name`.
  *
- * @api private
+ * @param {String} name
+ * @return {Type}
+ * @api public
  */
 
-Socket.prototype.flush = function () {
-  if ('closed' != this.readyState && this.transport.writable &&
-    !this.upgrading && this.writeBuffer.length) {
-    debug('flushing %d packets in socket', this.writeBuffer.length);
-    this.transport.send(this.writeBuffer);
-    // keep track of current length of writeBuffer
-    // splice writeBuffer and callbackBuffer on `drain`
-    this.prevBufferLen = this.writeBuffer.length;
-    this.emit('flush');
+function debug(name) {
+  if (!debug.enabled(name)) return function(){};
+
+  return function(fmt){
+    fmt = coerce(fmt);
+
+    var curr = new Date;
+    var ms = curr - (debug[name] || curr);
+    debug[name] = curr;
+
+    fmt = name
+      + ' '
+      + fmt
+      + ' +' + debug.humanize(ms);
+
+    // This hackery is required for IE8
+    // where `console.log` doesn't have 'apply'
+    window.console
+      && console.log
+      && Function.prototype.apply.call(console.log, console, arguments);
   }
-};
+}
 
 /**
- * Sends a message.
+ * The currently active debug mode names.
+ */
+
+debug.names = [];
+debug.skips = [];
+
+/**
+ * Enables a debug mode by name. This can include modes
+ * separated by a colon and wildcards.
  *
- * @param {String} message.
- * @param {Function} callback function.
- * @return {Socket} for chaining.
+ * @param {String} name
  * @api public
  */
 
-Socket.prototype.write =
-Socket.prototype.send = function (msg, fn) {
-  this.sendPacket('message', msg, fn);
-  return this;
+debug.enable = function(name) {
+  try {
+    localStorage.debug = name;
+  } catch(e){}
+
+  var split = (name || '').split(/[\s,]+/)
+    , len = split.length;
+
+  for (var i = 0; i < len; i++) {
+    name = split[i].replace('*', '.*?');
+    if (name[0] === '-') {
+      debug.skips.push(new RegExp('^' + name.substr(1) + '$'));
+    }
+    else {
+      debug.names.push(new RegExp('^' + name + '$'));
+    }
+  }
 };
 
 /**
- * Sends a packet.
+ * Disable debug output.
  *
- * @param {String} packet type.
- * @param {String} data.
- * @param {Function} callback function.
- * @api private
+ * @api public
  */
 
-Socket.prototype.sendPacket = function (type, data, fn) {
-  var packet = { type: type, data: data };
-  this.emit('packetCreate', packet);
-  this.writeBuffer.push(packet);
-  this.callbackBuffer.push(fn);
-  this.flush();
+debug.disable = function(){
+  debug.enable('');
 };
 
 /**
- * Closes the connection.
+ * Humanize the given `ms`.
  *
+ * @param {Number} m
+ * @return {String}
  * @api private
  */
 
-Socket.prototype.close = function () {
-  if ('opening' == this.readyState || 'open' == this.readyState) {
-    this.onClose('forced close');
-    debug('socket closing - telling transport to close');
-    this.transport.close();
-  }
+debug.humanize = function(ms) {
+  var sec = 1000
+    , min = 60 * 1000
+    , hour = 60 * min;
 
-  return this;
+  if (ms >= hour) return (ms / hour).toFixed(1) + 'h';
+  if (ms >= min) return (ms / min).toFixed(1) + 'm';
+  if (ms >= sec) return (ms / sec | 0) + 's';
+  return ms + 'ms';
 };
 
 /**
- * Called upon transport error
+ * Returns true if the given mode name is enabled, false otherwise.
  *
- * @api private
+ * @param {String} name
+ * @return {Boolean}
+ * @api public
  */
 
-Socket.prototype.onError = function (err) {
-  debug('socket error %j', err);
-  this.emit('error', err);
-  this.onerror && this.onerror.call(this, err);
-  this.onClose('transport error', err);
+debug.enabled = function(name) {
+  for (var i = 0, len = debug.skips.length; i < len; i++) {
+    if (debug.skips[i].test(name)) {
+      return false;
+    }
+  }
+  for (var i = 0, len = debug.names.length; i < len; i++) {
+    if (debug.names[i].test(name)) {
+      return true;
+    }
+  }
+  return false;
 };
 
 /**
- * Called upon transport close.
- *
- * @api private
+ * Coerce `val`.
  */
 
-Socket.prototype.onClose = function (reason, desc) {
-  if ('opening' == this.readyState || 'open' == this.readyState) {
-    debug('socket close with reason: "%s"', reason);
-    var self = this;
-
-    // clear timers
-    clearTimeout(this.pingIntervalTimer);
-    clearTimeout(this.pingTimeoutTimer);
-
-    // clean buffers in next tick, so developers can still
-    // grab the buffers on `close` event
-    setTimeout(function() {
-      self.writeBuffer = [];
-      self.callbackBuffer = [];
-      self.prevBufferLen = 0;
-    }, 0);
+function coerce(val) {
+  if (val instanceof Error) return val.stack || val.message;
+  return val;
+}
 
-    // ignore further transport communication
-    this.transport.removeAllListeners();
+// persist
 
-    // set ready state
-    this.readyState = 'closed';
+if (window.localStorage) debug.enable(localStorage.debug);
 
-    // clear session id
-    this.id = null;
+});
+require.register("engine.io/lib/index.js", function(exports, require, module){
 
-    // emit close event
-    this.emit('close', reason, desc);
-    this.onclose && this.onclose.call(this);
-  }
-};
+module.exports = require('./socket');
 
 /**
- * Filters upgrades, returning only those matching client transports.
+ * Exports parser
  *
- * @param {Array} server upgrades
- * @api private
+ * @api public
  *
  */
+module.exports.parser = require('engine.io-parser');
 
-Socket.prototype.filterUpgrades = function (upgrades) {
-  var filteredUpgrades = [];
-  for (var i = 0, j = upgrades.length; i<j; i++) {
-    if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);
-  }
-  return filteredUpgrades;
-};
-
-},{"./emitter":2,"./transport":5,"./transports":7,"./util":12,"debug":14,"engine.io-parser":16,"global":19,"indexof":21}],5:[function(require,module,exports){
-
+});
+require.register("engine.io/lib/socket.js", function(exports, require, module){
 /**
  * Module dependencies.
  */
 
-var util = require('./util');
-var parser = require('engine.io-parser');
-var Emitter = require('./emitter');
+var util = require('./util')
+  , transports = require('./transports')
+  , Emitter = require('./emitter')
+  , debug = require('debug')('engine-client:socket')
+  , index = require('indexof')
+  , parser = require('engine.io-parser');
 
 /**
  * Module exports.
  */
 
-module.exports = Transport;
+module.exports = Socket;
 
 /**
- * Transport abstract constructor.
- *
- * @param {Object} options.
- * @api private
+ * Global reference.
  */
 
-function Transport (opts) {
-  this.path = opts.path;
-  this.hostname = opts.hostname;
-  this.port = opts.port;
-  this.secure = opts.secure;
-  this.query = opts.query;
-  this.timestampParam = opts.timestampParam;
-  this.timestampRequests = opts.timestampRequests;
-  this.readyState = '';
-  this.agent = opts.agent || false;
-}
+var global = util.global();
 
 /**
- * Mix in `Emitter`.
+ * Noop function.
+ *
+ * @api private
  */
 
-Emitter(Transport.prototype);
+function noop () {};
 
 /**
- * Emits an error.
+ * Socket constructor.
  *
- * @param {String} str
- * @return {Transport} for chaining
+ * @param {String|Object} uri or options
+ * @param {Object} options
  * @api public
  */
 
-Transport.prototype.onError = function (msg, desc) {
-  var err = new Error(msg);
-  err.type = 'TransportError';
-  err.description = desc;
-  this.emit('error', err);
-  return this;
+function Socket(uri, opts){
+  if (!(this instanceof Socket)) return new Socket(uri, opts);
+
+  opts = opts || {};
+
+  if ('object' == typeof uri) {
+    opts = uri;
+    uri = null;
+  }
+
+  if (uri) {
+    uri = util.parseUri(uri);
+    opts.host = uri.host;
+    opts.secure = uri.protocol == 'https' || uri.protocol == 'wss';
+    opts.port = uri.port;
+    if (uri.query) opts.query = uri.query;
+  }
+
+  this.secure = null != opts.secure ? opts.secure :
+    (global.location && 'https:' == location.protocol);
+
+  if (opts.host) {
+    var pieces = opts.host.split(':');
+    opts.hostname = pieces.shift();
+    if (pieces.length) opts.port = pieces.pop();
+  }
+
+  this.hostname = opts.hostname ||
+    (global.location ? location.hostname : 'localhost');
+  this.port = opts.port || (global.location && location.port ?
+       location.port :
+       (this.secure ? 443 : 80));
+  this.query = opts.query || {};
+  if ('string' == typeof this.query) this.query = util.qsParse(this.query);
+  this.upgrade = false !== opts.upgrade;
+  this.path = (opts.path || '/engine.io').replace(/\/$/, '') + '/';
+  this.forceJSONP = !!opts.forceJSONP;
+  this.timestampParam = opts.timestampParam || 't';
+  this.timestampRequests = !!opts.timestampRequests;
+  this.flashPath = opts.flashPath || '';
+  this.transports = opts.transports || ['polling', 'websocket', 'flashsocket'];
+  this.readyState = '';
+  this.writeBuffer = [];
+  this.callbackBuffer = [];
+  this.policyPort = opts.policyPort || 843;
+  this.open();
+
+  Socket.sockets.push(this);
+  Socket.sockets.evs.emit('add', this);
 };
 
 /**
- * Opens the transport.
+ * Mix in `Emitter`.
+ */
+
+Emitter(Socket.prototype);
+
+/**
+ * Protocol version.
  *
  * @api public
  */
 
-Transport.prototype.open = function () {
-  if ('closed' == this.readyState || '' == this.readyState) {
-    this.readyState = 'opening';
-    this.doOpen();
-  }
-
-  return this;
-};
+Socket.protocol = parser.protocol; // this is an int
 
 /**
- * Closes the transport.
- *
- * @api private
+ * Static EventEmitter.
  */
 
-Transport.prototype.close = function () {
-  if ('opening' == this.readyState || 'open' == this.readyState) {
-    this.doClose();
-    this.onClose();
-  }
+Socket.sockets = [];
+Socket.sockets.evs = new Emitter;
 
-  return this;
-};
+/**
+ * Expose deps for legacy compatibility
+ * and standalone browser access.
+ */
+
+Socket.Socket = Socket;
+Socket.Transport = require('./transport');
+Socket.Emitter = require('./emitter');
+Socket.transports = require('./transports');
+Socket.util = require('./util');
+Socket.parser = require('engine.io-parser');
 
 /**
- * Sends multiple packets.
+ * Creates transport of the given type.
  *
- * @param {Array} packets
+ * @param {String} transport name
+ * @return {Transport}
  * @api private
  */
 
-Transport.prototype.send = function(packets){
-  if ('open' == this.readyState) {
-    this.write(packets);
-  } else {
-    throw new Error('Transport not open');
-  }
+Socket.prototype.createTransport = function (name) {
+  debug('creating transport "%s"', name);
+  var query = clone(this.query);
+
+  // append engine.io protocol identifier
+  query.EIO = parser.protocol;
+
+  // transport name
+  query.transport = name;
+
+  // session id if we already have one
+  if (this.id) query.sid = this.id;
+
+  var transport = new transports[name]({
+    hostname: this.hostname,
+    port: this.port,
+    secure: this.secure,
+    path: this.path,
+    query: query,
+    forceJSONP: this.forceJSONP,
+    timestampRequests: this.timestampRequests,
+    timestampParam: this.timestampParam,
+    flashPath: this.flashPath,
+    policyPort: this.policyPort
+  });
+
+  return transport;
 };
 
+function clone (obj) {
+  var o = {};
+  for (var i in obj) {
+    if (obj.hasOwnProperty(i)) {
+      o[i] = obj[i];
+    }
+  }
+  return o;
+}
+
 /**
- * Called upon open
+ * Initializes transport to use and starts probe.
  *
  * @api private
  */
 
-Transport.prototype.onOpen = function () {
-  this.readyState = 'open';
-  this.writable = true;
-  this.emit('open');
+Socket.prototype.open = function () {
+  this.readyState = 'opening';
+  var transport = this.createTransport(this.transports[0]);
+  transport.open();
+  this.setTransport(transport);
 };
 
 /**
- * Called with data.
+ * Sets the current transport. Disables the existing one (if any).
  *
- * @param {String} data
  * @api private
  */
 
-Transport.prototype.onData = function (data) {
-  this.onPacket(parser.decodePacket(data));
-};
+Socket.prototype.setTransport = function (transport) {
+  var self = this;
 
-/**
- * Called with a decoded packet.
- */
+  if (this.transport) {
+    debug('clearing existing transport');
+    this.transport.removeAllListeners();
+  }
 
-Transport.prototype.onPacket = function (packet) {
-  this.emit('packet', packet);
+  // set up transport
+  this.transport = transport;
+
+  // set up transport listeners
+  transport
+    .on('drain', function () {
+      self.onDrain();
+    })
+    .on('packet', function (packet) {
+      self.onPacket(packet);
+    })
+    .on('error', function (e) {
+      self.onError(e);
+    })
+    .on('close', function () {
+      self.onClose('transport close');
+    });
 };
 
 /**
- * Called upon close.
+ * Probes a transport.
  *
+ * @param {String} transport name
  * @api private
  */
 
-Transport.prototype.onClose = function () {
-  this.readyState = 'closed';
-  this.emit('close');
-};
-
-},{"./emitter":2,"./util":12,"engine.io-parser":16}],6:[function(require,module,exports){
+Socket.prototype.probe = function (name) {
+  debug('probing transport "%s"', name);
+  var transport = this.createTransport(name, { probe: 1 })
+    , failed = false
+    , self = this;
 
-/**
- * Module dependencies.
- */
+  transport.once('open', function () {
+    if (failed) return;
 
-var WS = require('./websocket');
-var util = require('../util');
-var debug = require('debug')('engine.io-client:flashsocket');
+    debug('probe transport "%s" opened', name);
+    transport.send([{ type: 'ping', data: 'probe' }]);
+    transport.once('packet', function (msg) {
+      if (failed) return;
+      if ('pong' == msg.type && 'probe' == msg.data) {
+        debug('probe transport "%s" pong', name);
+        self.upgrading = true;
+        self.emit('upgrading', transport);
 
-/**
- * Module exports.
- */
+        debug('pausing current transport "%s"', self.transport.name);
+        self.transport.pause(function () {
+          if (failed) return;
+          if ('closed' == self.readyState || 'closing' == self.readyState) {
+            return;
+          }
+          debug('changing transport and sending upgrade packet');
+          transport.removeListener('error', onerror);
+          self.emit('upgrade', transport);
+          self.setTransport(transport);
+          transport.send([{ type: 'upgrade' }]);
+          transport = null;
+          self.upgrading = false;
+          self.flush();
+        });
+      } else {
+        debug('probe transport "%s" failed', name);
+        var err = new Error('probe error');
+        err.transport = transport.name;
+        self.emit('error', err);
+      }
+    });
+  });
 
-module.exports = FlashWS;
+  transport.once('error', onerror);
+  function onerror(err) {
+    if (failed) return;
 
-/**
- * Global reference.
- */
+    // Any callback called by transport should be ignored since now
+    failed = true;
 
-var global = require('global');
+    var error = new Error('probe error: ' + err);
+    error.transport = transport.name;
 
-/**
- * Obfuscated key for Blue Coat.
- */
+    transport.close();
+    transport = null;
 
-var xobject = global[['Active'].concat('Object').join('X')];
+    debug('probe transport "%s" failed because of error: %s', name, err);
 
-/**
- * FlashWS constructor.
- *
- * @api public
- */
+    self.emit('error', error);
+  };
 
-function FlashWS(options){
-  WS.call(this, options);
-  this.flashPath = options.flashPath;
-  this.policyPort = options.policyPort;
-}
+  transport.open();
 
-/**
- * Inherits from WebSocket.
- */
+  this.once('close', function () {
+    if (transport) {
+      debug('socket closed prematurely - aborting probe');
+      failed = true;
+      transport.close();
+      transport = null;
+    }
+  });
 
-util.inherits(FlashWS, WS);
+  this.once('upgrading', function (to) {
+    if (transport && to.name != transport.name) {
+      debug('"%s" works - aborting "%s"', to.name, transport.name);
+      transport.close();
+      transport = null;
+    }
+  });
+};
 
 /**
- * Transport name.
+ * Called when connection is deemed open.
  *
  * @api public
  */
 
-FlashWS.prototype.name = 'flashsocket';
+Socket.prototype.onOpen = function () {
+  debug('socket open');
+  this.readyState = 'open';
+  this.emit('open');
+  this.onopen && this.onopen.call(this);
+  this.flush();
+
+  // we check for `readyState` in case an `open`
+  // listener alreay closed the socket
+  if ('open' == this.readyState && this.upgrade && this.transport.pause) {
+    debug('starting upgrade probes');
+    for (var i = 0, l = this.upgrades.length; i < l; i++) {
+      this.probe(this.upgrades[i]);
+    }
+  }
+};
 
 /**
- * Opens the transport.
+ * Handles a packet.
  *
- * @api public
+ * @api private
  */
 
-FlashWS.prototype.doOpen = function(){
-  if (!this.check()) {
-    // let the probe timeout
-    return;
-  }
-
-  // instrument websocketjs logging
-  function log(type){
-    return function(){
-      var str = Array.prototype.join.call(arguments, ' ');
-      debug('[websocketjs %s] %s', type, str);
-    };
-  }
+Socket.prototype.onPacket = function (packet) {
+  if ('opening' == this.readyState || 'open' == this.readyState) {
+    debug('socket receive: type "%s", data "%s"', packet.type, packet.data);
 
-  global.WEB_SOCKET_LOGGER = { log: log('debug'), error: log('error') };
-  global.WEB_SOCKET_SUPPRESS_CROSS_DOMAIN_SWF_ERROR = true;
-  global.WEB_SOCKET_DISABLE_AUTO_INITIALIZATION = true;
+    this.emit('packet', packet);
 
-  if (!global.WEB_SOCKET_SWF_LOCATION) {
-    global.WEB_SOCKET_SWF_LOCATION = this.flashPath + 'WebSocketMainInsecure.swf';
-  }
+    // Socket is live - any packet counts
+    this.emit('heartbeat');
 
-  // dependencies
-  var deps = [this.flashPath + 'web_socket.js'];
+    switch (packet.type) {
+      case 'open':
+        this.onHandshake(util.parseJSON(packet.data));
+        break;
 
-  if (!global.swfobject) {
-    deps.unshift(this.flashPath + 'swfobject.js');
-  }
+      case 'pong':
+        this.setPing();
+        break;
 
-  var self = this;
+      case 'error':
+        var err = new Error('server error');
+        err.code = packet.data;
+        this.emit('error', err);
+        break;
 
-  load(deps, function(){
-    self.ready(function(){
-      WebSocket.__addTask(function () {
-        self.socket = new WebSocket(self.uri());
-        self.addEventListeners();
-      });
-    });
-  });
+      case 'message':
+        this.emit('data', packet.data);
+        this.emit('message', packet.data);
+        var event = { data: packet.data };
+        event.toString = function () {
+          return packet.data;
+        };
+        this.onmessage && this.onmessage.call(this, event);
+        break;
+    }
+  } else {
+    debug('packet received with socket readyState "%s"', this.readyState);
+  }
 };
 
 /**
- * Override to prevent closing uninitialized flashsocket.
+ * Called upon handshake completion.
  *
+ * @param {Object} handshake obj
  * @api private
  */
 
-FlashWS.prototype.doClose = function(){
-  if (!this.socket) return;
-  var self = this;
-  WebSocket.__addTask(function(){
-    WS.prototype.doClose.call(self);
-  });
+Socket.prototype.onHandshake = function (data) {
+  this.emit('handshake', data);
+  this.id = data.sid;
+  this.transport.query.sid = data.sid;
+  this.upgrades = this.filterUpgrades(data.upgrades);
+  this.pingInterval = data.pingInterval;
+  this.pingTimeout = data.pingTimeout;
+  this.onOpen();
+  this.setPing();
+
+  // Prolong liveness of socket on heartbeat
+  this.removeListener('heartbeat', this.onHeartbeat);
+  this.on('heartbeat', this.onHeartbeat);
 };
 
 /**
- * Writes to the Flash socket.
+ * Resets ping timeout.
  *
  * @api private
  */
 
-FlashWS.prototype.write = function(){
-  var self = this, args = arguments;
-  WebSocket.__addTask(function(){
-    WS.prototype.write.apply(self, args);
-  });
+Socket.prototype.onHeartbeat = function (timeout) {
+  clearTimeout(this.pingTimeoutTimer);
+  var self = this;
+  self.pingTimeoutTimer = setTimeout(function () {
+    if ('closed' == self.readyState) return;
+    self.onClose('ping timeout');
+  }, timeout || (self.pingInterval + self.pingTimeout));
 };
 
 /**
- * Called upon dependencies are loaded.
+ * Pings server every `this.pingInterval` and expects response
+ * within `this.pingTimeout` or closes connection.
  *
  * @api private
  */
 
-FlashWS.prototype.ready = function(fn){
-  if (typeof WebSocket == 'undefined' ||
-    !('__initialize' in WebSocket) || !global.swfobject) {
-    return;
-  }
-
-  if (global.swfobject.getFlashPlayerVersion().major < 10) {
-    return;
-  }
-
-  function init () {
-    // only start downloading the swf file when
-    // we checked that this browser actually supports it
-    if (!FlashWS.loaded) {
-      if (843 != self.policyPort) {
-        var policy = 'xmlsocket://' + self.hostname + ':' + self.policyPort;
-        WebSocket.loadFlashPolicyFile(policy);
-      }
-
-      WebSocket.__initialize();
-      FlashWS.loaded = true;
-    }
-
-    fn.call(self);
-  }
-
+Socket.prototype.setPing = function () {
   var self = this;
-  if (document.body) {
-    return init();
-  }
+  clearTimeout(self.pingIntervalTimer);
+  self.pingIntervalTimer = setTimeout(function () {
+    debug('writing ping packet - expecting pong within %sms', self.pingTimeout);
+    self.ping();
+    self.onHeartbeat(self.pingTimeout);
+  }, self.pingInterval);
+};
 
-  util.load(init);
+/**
+* Sends a ping packet.
+*
+* @api public
+*/
+
+Socket.prototype.ping = function () {
+  this.sendPacket('ping');
 };
 
 /**
- * Feature detection for flashsocket.
+ * Called on `drain` event
  *
- * @return {Boolean} whether this transport is available.
- * @api public
+ * @api private
  */
 
-FlashWS.prototype.check = function(){
-  if ('undefined' == typeof window) {
-    return false;
+ Socket.prototype.onDrain = function() {
+  for (var i = 0; i < this.prevBufferLen; i++) {
+    if (this.callbackBuffer[i]) {
+      this.callbackBuffer[i]();
+    }
   }
 
-  if (typeof WebSocket != 'undefined' && !('__initialize' in WebSocket)) {
-    return false;
-  }
+  this.writeBuffer.splice(0, this.prevBufferLen);
+  this.callbackBuffer.splice(0, this.prevBufferLen);
 
-  if (xobject) {
-    var control = null;
-    try {
-      control = new xobject('ShockwaveFlash.ShockwaveFlash');
-    } catch (e) { }
-    if (control) {
-      return true;
-    }
+  // setting prevBufferLen = 0 is very important
+  // for example, when upgrading, upgrade packet is sent over,
+  // and a nonzero prevBufferLen could cause problems on `drain`
+  this.prevBufferLen = 0;
+
+  if (this.writeBuffer.length == 0) {
+    this.emit('drain');
   } else {
-    for (var i = 0, l = navigator.plugins.length; i < l; i++) {
-      for (var j = 0, m = navigator.plugins[i].length; j < m; j++) {
-        if (navigator.plugins[i][j].description == 'Shockwave Flash') {
-          return true;
-        }
-      }
-    }
+    this.flush();
   }
-
-  return false;
 };
 
 /**
- * Lazy loading of scripts.
- * Based on $script by Dustin Diaz - MIT
- */
-
-var scripts = {};
-
-/**
- * Injects a script. Keeps tracked of injected ones.
+ * Flush write buffers.
  *
- * @param {String} path
- * @param {Function} callback
  * @api private
  */
 
-function create(path, fn){
-  if (scripts[path]) return fn();
-
-  var el = document.createElement('script');
-  var loaded = false;
-
-  debug('loading "%s"', path);
-  el.onload = el.onreadystatechange = function(){
-    if (loaded || scripts[path]) return;
-    var rs = el.readyState;
-    if (!rs || 'loaded' == rs || 'complete' == rs) {
-      debug('loaded "%s"', path);
-      el.onload = el.onreadystatechange = null;
-      loaded = true;
-      scripts[path] = true;
-      fn();
-    }
-  };
-
-  el.async = 1;
-  el.src = path;
-
-  var head = document.getElementsByTagName('head')[0];
-  head.insertBefore(el, head.firstChild);
-}
+Socket.prototype.flush = function () {
+  if ('closed' != this.readyState && this.transport.writable &&
+    !this.upgrading && this.writeBuffer.length) {
+    debug('flushing %d packets in socket', this.writeBuffer.length);
+    this.transport.send(this.writeBuffer);
+    // keep track of current length of writeBuffer
+    // splice writeBuffer and callbackBuffer on `drain`
+    this.prevBufferLen = this.writeBuffer.length;
+    this.emit('flush');
+  }
+};
 
 /**
- * Loads scripts and fires a callback.
+ * Sends a message.
  *
- * @param {Array} paths
- * @param {Function} callback
+ * @param {String} message.
+ * @param {Function} callback function.
+ * @return {Socket} for chaining.
+ * @api public
  */
 
-function load(arr, fn){
-  function process(i){
-    if (!arr[i]) return fn();
-    create(arr[i], function () {
-      process(++i);
-    });
-  }
-
-  process(0);
-}
-
-},{"../util":12,"./websocket":11,"debug":14,"global":19}],7:[function(require,module,exports){
+Socket.prototype.write =
+Socket.prototype.send = function (msg, fn) {
+  this.sendPacket('message', msg, fn);
+  return this;
+};
 
 /**
- * Module dependencies
+ * Sends a packet.
+ *
+ * @param {String} packet type.
+ * @param {String} data.
+ * @param {Function} callback function.
+ * @api private
  */
 
-var XMLHttpRequest = require('xmlhttprequest')
-  , XHR = require('./polling-xhr')
-  , JSONP = require('./polling-jsonp')
-  , websocket = require('./websocket')
-  , flashsocket = require('./flashsocket')
+Socket.prototype.sendPacket = function (type, data, fn) {
+  var packet = { type: type, data: data };
+  this.emit('packetCreate', packet);
+  this.writeBuffer.push(packet);
+  this.callbackBuffer.push(fn);
+  this.flush();
+};
 
 /**
- * Export transports.
+ * Closes the connection.
+ *
+ * @api private
  */
 
-exports.polling = polling;
-exports.websocket = websocket;
-exports.flashsocket = flashsocket;
+Socket.prototype.close = function () {
+  if ('opening' == this.readyState || 'open' == this.readyState) {
+    this.onClose('forced close');
+    debug('socket closing - telling transport to close');
+    this.transport.close();
+  }
+
+  return this;
+};
 
 /**
- * Global reference.
+ * Called upon transport error
+ *
+ * @api private
  */
 
-var global = require('global');
+Socket.prototype.onError = function (err) {
+  debug('socket error %j', err);
+  this.emit('error', err);
+  this.onerror && this.onerror.call(this, err);
+  this.onClose('transport error', err);
+};
 
 /**
- * Polling transport polymorphic constructor.
- * Decides on xhr vs jsonp based on feature detection.
+ * Called upon transport close.
  *
  * @api private
  */
 
-function polling (opts) {
-  var xhr
-    , xd = false;
+Socket.prototype.onClose = function (reason, desc) {
+  if ('opening' == this.readyState || 'open' == this.readyState) {
+    debug('socket close with reason: "%s"', reason);
+    var self = this;
 
-  if (global.location) {
-    var isSSL = 'https:' == location.protocol;
-    var port = location.port;
+    // clear timers
+    clearTimeout(this.pingIntervalTimer);
+    clearTimeout(this.pingTimeoutTimer);
 
-    // some user agents have empty `location.port`
-    if (!port) {
-      port = isSSL ? 443 : 80;
-    }
+    // clean buffers in next tick, so developers can still
+    // grab the buffers on `close` event
+    setTimeout(function() {
+      self.writeBuffer = [];
+      self.callbackBuffer = [];
+    }, 0);
+
+    // ignore further transport communication
+    this.transport.removeAllListeners();
 
-    xd = opts.hostname != location.hostname || port != opts.port;
-  }
+    // set ready state
+    var prev = this.readyState;
+    this.readyState = 'closed';
 
-  opts.xdomain = xd;
-  xhr = new XMLHttpRequest(opts);
+    // clear session id
+    this.id = null;
 
-  if (xhr && !opts.forceJSONP) {
-    return new XHR(opts);
-  } else {
-    return new JSONP(opts);
+    // emit events
+    if (prev == 'open') {
+      this.emit('close', reason, desc);
+      this.onclose && this.onclose.call(this);
+    }
   }
 };
 
-},{"./flashsocket":6,"./polling-jsonp":8,"./polling-xhr":9,"./websocket":11,"global":19,"xmlhttprequest":13}],8:[function(require,module,exports){
-
 /**
- * Module requirements.
+ * Filters upgrades, returning only those matching client transports.
+ *
+ * @param {Array} server upgrades
+ * @api private
+ *
  */
 
-var Polling = require('./polling');
-var util = require('../util');
-
-/**
- * Module exports.
- */
+Socket.prototype.filterUpgrades = function (upgrades) {
+  var filteredUpgrades = [];
+  for (var i = 0, j = upgrades.length; i<j; i++) {
+    if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);
+  }
+  return filteredUpgrades;
+};
 
-module.exports = JSONPPolling;
+});
+require.register("engine.io/lib/transport.js", function(exports, require, module){
 
 /**
- * Global reference.
+ * Module dependencies.
  */
 
-var global = require('global');
+var util = require('./util')
+  , parser = require('engine.io-parser')
+  , Emitter = require('./emitter');
 
 /**
- * Cached regular expressions.
+ * Module exports.
  */
 
-var rNewline = /\n/g;
+module.exports = Transport;
 
 /**
- * Global JSONP callbacks.
+ * Transport abstract constructor.
+ *
+ * @param {Object} options.
+ * @api private
  */
 
-var callbacks;
+function Transport (opts) {
+  this.path = opts.path;
+  this.hostname = opts.hostname;
+  this.port = opts.port;
+  this.secure = opts.secure;
+  this.query = opts.query;
+  this.timestampParam = opts.timestampParam;
+  this.timestampRequests = opts.timestampRequests;
+  this.readyState = '';
+};
 
 /**
- * Callbacks count.
+  * Mix in `Emitter`.
  */
 
-var index = 0;
+Emitter(Transport.prototype);
 
 /**
- * Noop.
+ * Emits an error.
+ *
+ * @param {String} str
+ * @return {Transport} for chaining
+ * @api public
  */
 
-function empty () { }
+Transport.prototype.onError = function (msg, desc) {
+  var err = new Error(msg);
+  err.type = 'TransportError';
+  err.description = desc;
+  this.emit('error', err);
+  return this;
+};
 
 /**
- * JSONP Polling constructor.
+ * Opens the transport.
  *
- * @param {Object} opts.
  * @api public
  */
 
-function JSONPPolling (opts) {
-  Polling.call(this, opts);
-
-  // define global callbacks array if not present
-  // we do this here (lazily) to avoid unneeded global pollution
-  if (!callbacks) {
-    // we need to consider multiple engines in the same page
-    if (!global.___eio) global.___eio = [];
-    callbacks = global.___eio;
+Transport.prototype.open = function () {
+  if ('closed' == this.readyState || '' == this.readyState) {
+    this.readyState = 'opening';
+    this.doOpen();
   }
 
-  // callback identifier
-  this.index = callbacks.length;
-
-  // add callback to jsonp global
-  var self = this;
-  callbacks.push(function (msg) {
-    self.onData(msg);
-  });
-
-  // append to query string
-  this.query.j = this.index;
-}
-
-/**
- * Inherits from Polling.
- */
-
-util.inherits(JSONPPolling, Polling);
+  return this;
+};
 
 /**
- * Closes the socket
+ * Closes the transport.
  *
  * @api private
  */
 
-JSONPPolling.prototype.doClose = function () {
-  if (this.script) {
-    this.script.parentNode.removeChild(this.script);
-    this.script = null;
-  }
-
-  if (this.form) {
-    this.form.parentNode.removeChild(this.form);
-    this.form = null;
+Transport.prototype.close = function () {
+  if ('opening' == this.readyState || 'open' == this.readyState) {
+    this.doClose();
+    this.onClose();
   }
 
-  Polling.prototype.doClose.call(this);
+  return this;
 };
 
 /**
- * Starts a poll cycle.
+ * Sends multiple packets.
  *
+ * @param {Array} packets
  * @api private
  */
 
-JSONPPolling.prototype.doPoll = function () {
-  var self = this;
-  var script = document.createElement('script');
-
-  if (this.script) {
-    this.script.parentNode.removeChild(this.script);
-    this.script = null;
-  }
-
-  script.async = true;
-  script.src = this.uri();
-  script.onerror = function(e){
-    self.onError('jsonp poll error',e);
-  };
-
-  var insertAt = document.getElementsByTagName('script')[0];
-  insertAt.parentNode.insertBefore(script, insertAt);
-  this.script = script;
-
-
-  if (util.ua.gecko) {
-    setTimeout(function () {
-      var iframe = document.createElement('iframe');
-      document.body.appendChild(iframe);
-      document.body.removeChild(iframe);
-    }, 100);
+Transport.prototype.send = function(packets){
+  if ('open' == this.readyState) {
+    this.write(packets);
+  } else {
+    throw new Error('Transport not open');
   }
 };
 
 /**
- * Writes with a hidden iframe.
+ * Called upon open
  *
- * @param {String} data to send
- * @param {Function} called upon flush.
  * @api private
  */
 
-JSONPPolling.prototype.doWrite = function (data, fn) {
-  var self = this;
-
-  if (!this.form) {
-    var form = document.createElement('form');
-    var area = document.createElement('textarea');
-    var id = this.iframeId = 'eio_iframe_' + this.index;
-    var iframe;
-
-    form.className = 'socketio';
-    form.style.position = 'absolute';
-    form.style.top = '-1000px';
-    form.style.left = '-1000px';
-    form.target = id;
-    form.method = 'POST';
-    form.setAttribute('accept-charset', 'utf-8');
-    area.name = 'd';
-    form.appendChild(area);
-    document.body.appendChild(form);
-
-    this.form = form;
-    this.area = area;
-  }
-
-  this.form.action = this.uri();
-
-  function complete () {
-    initIframe();
-    fn();
-  }
-
-  function initIframe () {
-    if (self.iframe) {
-      try {
-        self.form.removeChild(self.iframe);
-      } catch (e) {
-        self.onError('jsonp polling iframe removal error', e);
-      }
-    }
-
-    try {
-      // ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
-      var html = '<iframe src="javascript:0" name="'+ self.iframeId +'">';
-      iframe = document.createElement(html);
-    } catch (e) {
-      iframe = document.createElement('iframe');
-      iframe.name = self.iframeId;
-      iframe.src = 'javascript:0';
-    }
+Transport.prototype.onOpen = function () {
+  this.readyState = 'open';
+  this.writable = true;
+  this.emit('open');
+};
 
-    iframe.id = self.iframeId;
+/**
+ * Called with data.
+ *
+ * @param {String} data
+ * @api private
+ */
 
-    self.form.appendChild(iframe);
-    self.iframe = iframe;
-  }
+Transport.prototype.onData = function (data) {
+  this.onPacket(parser.decodePacket(data));
+};
 
-  initIframe();
+/**
+ * Called with a decoded packet.
+ */
 
-  // escape \n to prevent it from being converted into \r\n by some UAs
-  this.area.value = data.replace(rNewline, '\\n');
+Transport.prototype.onPacket = function (packet) {
+  this.emit('packet', packet);
+};
 
-  try {
-    this.form.submit();
-  } catch(e) {}
+/**
+ * Called upon close.
+ *
+ * @api private
+ */
 
-  if (this.iframe.attachEvent) {
-    this.iframe.onreadystatechange = function(){
-      if (self.iframe.readyState == 'complete') {
-        complete();
-      }
-    };
-  } else {
-    this.iframe.onload = complete;
-  }
+Transport.prototype.onClose = function () {
+  this.readyState = 'closed';
+  this.emit('close');
 };
 
-},{"../util":12,"./polling":10,"global":19}],9:[function(require,module,exports){
+});
+require.register("engine.io/lib/emitter.js", function(exports, require, module){
+
 /**
- * Module requirements.
+ * Module dependencies.
  */
 
-var XMLHttpRequest = require('xmlhttprequest');
-var Polling = require('./polling');
-var util = require('../util');
-var Emitter = require('../emitter');
-var debug = require('debug')('engine.io-client:polling-xhr');
+var Emitter = require('emitter');
 
 /**
  * Module exports.
  */
 
-module.exports = XHR;
-module.exports.Request = Request;
+module.exports = Emitter;
 
 /**
- * Global reference.
+ * Compatibility with `WebSocket#addEventListener`.
+ *
+ * @api public
  */
 
-var global = require('global');
+Emitter.prototype.addEventListener = Emitter.prototype.on;
 
 /**
- * Obfuscated key for Blue Coat.
+ * Compatibility with `WebSocket#removeEventListener`.
+ *
+ * @api public
  */
 
-var hasAttachEvent = global.document && global.document.attachEvent;
+Emitter.prototype.removeEventListener = Emitter.prototype.off;
 
 /**
- * Empty function
+ * Node-compatible `EventEmitter#removeListener`
+ *
+ * @api public
  */
 
-function empty(){}
+Emitter.prototype.removeListener = Emitter.prototype.off;
+
+});
+require.register("engine.io/lib/util.js", function(exports, require, module){
+/**
+ * Status of page load.
+ */
+
+var pageLoaded = false;
 
 /**
- * XHR Polling constructor.
+ * Returns the global object
  *
- * @param {Object} opts
- * @api public
+ * @api private
  */
 
-function XHR(opts){
-  Polling.call(this, opts);
+exports.global = function () {
+  return 'undefined' != typeof window ? window : global;
+};
 
-  if (global.location) {
-    var isSSL = 'https:' == location.protocol;
-    var port = location.port;
+/**
+ * Inheritance.
+ *
+ * @param {Function} ctor a
+ * @param {Function} ctor b
+ * @api private
+ */
 
-    // some user agents have empty `location.port`
-    if (!port) {
-      port = isSSL ? 443 : 80;
-    }
+exports.inherits = function inherits (a, b) {
+  function c () { }
+  c.prototype = b.prototype;
+  a.prototype = new c;
+};
 
-    this.xd = opts.hostname != global.location.hostname ||
-      port != opts.port;
+/**
+ * Object.keys
+ */
+
+exports.keys = Object.keys || function (obj) {
+  var ret = [];
+  var has = Object.prototype.hasOwnProperty;
+
+  for (var i in obj) {
+    if (has.call(obj, i)) {
+      ret.push(i);
+    }
   }
-}
+
+  return ret;
+};
 
 /**
- * Inherits from Polling.
+ * Adds an event.
+ *
+ * @api private
  */
 
-util.inherits(XHR, Polling);
+exports.on = function (element, event, fn, capture) {
+  if (element.attachEvent) {
+    element.attachEvent('on' + event, fn);
+  } else if (element.addEventListener) {
+    element.addEventListener(event, fn, capture);
+  }
+};
 
 /**
- * Creates a request.
+ * Load utility.
  *
- * @param {String} method
  * @api private
  */
 
-XHR.prototype.request = function(opts){
-  opts = opts || {};
-  opts.uri = this.uri();
-  opts.xd = this.xd;
-  opts.agent = this.agent || false;
-  return new Request(opts);
+exports.load = function (fn) {
+  var global = exports.global();
+  if (global.document && document.readyState === 'complete' || pageLoaded) {
+    return fn();
+  }
+
+  exports.on(global, 'load', fn, false);
 };
 
 /**
- * Sends data.
+ * Change the internal pageLoaded value.
+ */
+
+if ('undefined' != typeof window) {
+  exports.load(function () {
+    pageLoaded = true;
+  });
+}
+
+/**
+ * Defers a function to ensure a spinner is not displayed by the browser.
  *
- * @param {String} data to send.
- * @param {Function} called upon flush.
+ * @param {Function} fn
  * @api private
  */
 
-XHR.prototype.doWrite = function(data, fn){
-  var req = this.request({ method: 'POST', data: data });
-  var self = this;
-  req.on('success', fn);
-  req.on('error', function(err){
-    self.onError('xhr post error', err);
+exports.defer = function (fn) {
+  if (!exports.ua.webkit || 'undefined' != typeof importScripts) {
+    return fn();
+  }
+
+  exports.load(function () {
+    setTimeout(fn, 100);
   });
-  this.sendXhr = req;
 };
 
 /**
- * Starts a poll cycle.
+ * JSON parse.
  *
+ * @see Based on jQuery#parseJSON (MIT) and JSON2
  * @api private
  */
 
-XHR.prototype.doPoll = function(){
-  debug('xhr poll');
-  var req = this.request();
-  var self = this;
-  req.on('data', function(data){
-    self.onData(data);
-  });
-  req.on('error', function(err){
-    self.onError('xhr poll error', err);
-  });
-  this.pollXhr = req;
+var rvalidchars = /^[\],:{}\s]*$/;
+var rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;
+var rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;
+var rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g;
+var rtrimLeft = /^\s+/;
+var rtrimRight = /\s+$/;
+
+exports.parseJSON = function (data) {
+  var global = exports.global();
+
+  if ('string' != typeof data || !data) {
+    return null;
+  }
+
+  data = data.replace(rtrimLeft, '').replace(rtrimRight, '');
+
+  // Attempt to parse using the native JSON parser first
+  if (global.JSON && JSON.parse) {
+    return JSON.parse(data);
+  }
+
+  if (rvalidchars.test(data.replace(rvalidescape, '@')
+      .replace(rvalidtokens, ']')
+      .replace(rvalidbraces, ''))) {
+    return (new Function('return ' + data))();
+  }
 };
 
 /**
- * Request constructor
+ * UA / engines detection namespace.
  *
- * @param {Object} options
- * @api public
+ * @namespace
  */
 
-function Request(opts){
-  this.method = opts.method || 'GET';
-  this.uri = opts.uri;
-  this.xd = !!opts.xd;
-  this.async = false !== opts.async;
-  this.data = undefined != opts.data ? opts.data : null;
-  this.agent = opts.agent;
-  this.create();
-}
+exports.ua = {};
 
 /**
- * Mix in `Emitter`.
+ * Whether the UA supports CORS for XHR.
+ *
+ * @api private
  */
 
-Emitter(Request.prototype);
+exports.ua.hasCORS = 'undefined' != typeof XMLHttpRequest && (function () {
+  var a;
+  try {
+    a = new XMLHttpRequest();
+  } catch (e) {
+    return false;
+  }
+
+  return a.withCredentials != undefined;
+})();
 
 /**
- * Creates the XHR object and sends the request.
+ * Detect webkit.
  *
  * @api private
  */
 
-Request.prototype.create = function(){
-  var xhr = this.xhr = new XMLHttpRequest({ agent: this.agent, xdomain: this.xd });
-  var self = this;
+exports.ua.webkit = 'undefined' != typeof navigator &&
+  /webkit/i.test(navigator.userAgent);
 
-  try {
-    debug('xhr open %s: %s', this.method, this.uri);
-    xhr.open(this.method, this.uri, this.async);
+/**
+ * Detect gecko.
+ *
+ * @api private
+ */
 
-    if ('POST' == this.method) {
-      try {
-        xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');
-      } catch (e) {}
-    }
+exports.ua.gecko = 'undefined' != typeof navigator &&
+  /gecko/i.test(navigator.userAgent);
 
-    // ie6 check
-    if ('withCredentials' in xhr) {
-      xhr.withCredentials = true;
-    }
+/**
+ * Detect android;
+ */
 
-    xhr.onreadystatechange = function(){
-      var data;
+exports.ua.android = 'undefined' != typeof navigator &&
+  /android/i.test(navigator.userAgent);
 
-      try {
-        if (4 != xhr.readyState) return;
-        if (200 == xhr.status || 1223 == xhr.status) {
-          data = xhr.responseText;
-        } else {
-          // make sure the `error` event handler that's user-set
-          // does not throw in the same tick and gets caught here
-          setTimeout(function(){
-            self.onError(xhr.status);
-          }, 0);
-        }
-      } catch (e) {
-        self.onError(e);
-      }
+/**
+ * Detect iOS.
+ */
 
-      if (null != data) {
-        self.onData(data);
-      }
-    };
+exports.ua.ios = 'undefined' != typeof navigator &&
+  /^(iPad|iPhone|iPod)$/.test(navigator.platform);
+exports.ua.ios6 = exports.ua.ios && /OS 6_/.test(navigator.userAgent);
 
-    debug('xhr data %s', this.data);
-    xhr.send(this.data);
-  } catch (e) {
-    // Need to defer since .create() is called directly from the constructor
-    // and thus the 'error' event can only be only bound *after* this exception
-    // occurs.  Therefore, also, we cannot throw here at all.
-    setTimeout(function() {
-      self.onError(e);
-    }, 0);
-    return;
+/**
+ * XHR request helper.
+ *
+ * @param {Boolean} whether we need xdomain
+ * @api private
+ */
+
+exports.request = function request (xdomain) {
+  try {
+    var _XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest;
+    return new _XMLHttpRequest();
+  } catch (e) {}
+
+  if (xdomain && 'undefined' != typeof XDomainRequest && !exports.ua.hasCORS) {
+    return new XDomainRequest();
   }
 
-  if (hasAttachEvent) {
-    this.index = Request.requestsCount++;
-    Request.requests[this.index] = this;
+  // XMLHttpRequest can be disabled on IE
+  try {
+    if ('undefined' != typeof XMLHttpRequest && (!xdomain || exports.ua.hasCORS)) {
+      return new XMLHttpRequest();
+    }
+  } catch (e) { }
+
+  if (!xdomain) {
+    try {
+      return new ActiveXObject('Microsoft.XMLHTTP');
+    } catch(e) { }
   }
 };
 
 /**
- * Called upon successful response.
+ * Parses an URI
  *
+ * @author Steven Levithan <stevenlevithan.com> (MIT license)
  * @api private
  */
 
-Request.prototype.onSuccess = function(){
-  this.emit('success');
-  this.cleanup();
+var re = /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
+
+var parts = [
+    'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host'
+  , 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
+];
+
+exports.parseUri = function (str) {
+  var m = re.exec(str || '')
+    , uri = {}
+    , i = 14;
+
+  while (i--) {
+    uri[parts[i]] = m[i] || '';
+  }
+
+  return uri;
 };
 
 /**
- * Called if we have data.
+ * Compiles a querystring
  *
+ * @param {Object}
  * @api private
  */
 
-Request.prototype.onData = function(data){
-  this.emit('data', data);
-  this.onSuccess();
+exports.qs = function (obj) {
+  var str = '';
+
+  for (var i in obj) {
+    if (obj.hasOwnProperty(i)) {
+      if (str.length) str += '&';
+      str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);
+    }
+  }
+
+  return str;
 };
 
 /**
- * Called upon error.
+ * Parses a simple querystring.
  *
+ * @param {String} qs
  * @api private
  */
 
-Request.prototype.onError = function(err){
-  this.emit('error', err);
-  this.cleanup();
+exports.qsParse = function(qs){
+  var qry = {};
+  var pairs = qs.split('&');
+  for (var i = 0, l = pairs.length; i < l; i++) {
+    var pair = pairs[i].split('=');
+    qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
+  }
+  return qry;
 };
 
+});
+require.register("engine.io/lib/transports/index.js", function(exports, require, module){
+
 /**
- * Cleans up house.
- *
- * @api private
+ * Module dependencies
  */
 
-Request.prototype.cleanup = function(){
-  if ('undefined' == typeof this.xhr ) {
-    return;
-  }
-  // xmlhttprequest
-  this.xhr.onreadystatechange = empty;
-
-  try {
-    this.xhr.abort();
-  } catch(e) {}
+var XHR = require('./polling-xhr')
+  , JSONP = require('./polling-jsonp')
+  , websocket = require('./websocket')
+  , flashsocket = require('./flashsocket')
+  , util = require('../util');
 
-  if (hasAttachEvent) {
-    delete Request.requests[this.index];
-  }
+/**
+ * Export transports.
+ */
 
-  this.xhr = null;
-};
+exports.polling = polling;
+exports.websocket = websocket;
+exports.flashsocket = flashsocket;
 
 /**
- * Aborts the request.
- *
- * @api public
+ * Global reference.
  */
 
-Request.prototype.abort = function(){
-  this.cleanup();
-};
+var global = util.global()
 
 /**
- * Cleanup is needed for old versions of IE
- * that leak memory unless we abort request before unload.
+ * Polling transport polymorphic constructor.
+ * Decides on xhr vs jsonp based on feature detection.
+ *
+ * @api private
  */
 
-if (hasAttachEvent) {
-  Request.requestsCount = 0;
-  Request.requests = {};
+function polling (opts) {
+  var xhr
+    , xd = false
+    , isXProtocol = false;
 
-  global.attachEvent('onunload', function(){
-    for (var i in Request.requests) {
-      if (Request.requests.hasOwnProperty(i)) {
-        Request.requests[i].abort();
-      }
+  if (global.location) {
+    var isSSL = 'https:' == location.protocol;
+    var port = location.port;
+
+    // some user agents have empty `location.port`
+    if (Number(port) !== port) {
+      port = isSSL ? 443 : 80;
     }
-  });
-}
 
-},{"../emitter":2,"../util":12,"./polling":10,"debug":14,"global":19,"xmlhttprequest":13}],10:[function(require,module,exports){
+    xd = opts.hostname != location.hostname || port != opts.port;
+    isXProtocol = opts.secure != isSSL;
+  }
+
+  xhr = util.request(xd);
+  /* See #7 at http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx */
+  if (isXProtocol && global.XDomainRequest && xhr instanceof global.XDomainRequest) {
+    return new JSONP(opts);
+  }
+
+  if (xhr && !opts.forceJSONP) {
+    return new XHR(opts);
+  } else {
+    return new JSONP(opts);
+  }
+};
+
+});
+require.register("engine.io/lib/transports/polling.js", function(exports, require, module){
 /**
  * Module dependencies.
  */
 
-var Transport = require('../transport');
-var util = require('../util');
-var parser = require('engine.io-parser');
-var debug = require('debug')('engine.io-client:polling');
+var Transport = require('../transport')
+  , util = require('../util')
+  , parser = require('engine.io-parser')
+  , debug = require('debug')('engine.io-client:polling');
 
 /**
  * Module exports.
@@ -1644,7 +1882,7 @@ module.exports = Polling;
  * Global reference.
  */
 
-var global = require('global');
+var global = util.global();
 
 /**
  * Polling interface.
@@ -1792,13 +2030,13 @@ Polling.prototype.doClose = function(){
     self.write([{ type: 'close' }]);
   }
 
-  if ('open' == this.readyState) {
+  if (this.open) {
     debug('transport open - closing');
     close();
   } else {
     // in case we're trying to close while
     // handshaking is in progress (GH-164)
-    debug('transport not open - deferring close');
+    debug('transport not open - defering close');
     this.once('open', close);
   }
 };
@@ -1832,14 +2070,9 @@ Polling.prototype.uri = function(){
   var port = '';
 
   // cache busting is forced for IE / android / iOS6 ಠ_ಠ
-  if ('ActiveXObject' in global
-    || util.ua.chromeframe
-    || util.ua.android
-    || util.ua.ios6
-    || this.timestampRequests) {
-    if (false !== this.timestampRequests) {
-      query[this.timestampParam] = +new Date;
-    }
+  if (global.ActiveXObject || util.ua.android || util.ua.ios6 ||
+      this.timestampRequests) {
+    query[this.timestampParam] = +new Date;
   }
 
   query = util.qs(query);
@@ -1858,1043 +2091,1039 @@ Polling.prototype.uri = function(){
   return schema + '://' + this.hostname + port + this.path + query;
 };
 
-},{"../transport":5,"../util":12,"debug":14,"engine.io-parser":16,"global":19}],11:[function(require,module,exports){
-/**
- * Module dependencies.
- */
-
-var Transport = require('../transport');
-var parser = require('engine.io-parser');
-var util = require('../util');
-var debug = require('debug')('engine.io-client:websocket');
-
+});
+require.register("engine.io/lib/transports/polling-xhr.js", function(exports, require, module){
 /**
- * `ws` exposes a WebSocket-compatible interface in
- * Node, or the `WebSocket` or `MozWebSocket` globals
- * in the browser.
+ * Module requirements.
  */
 
-var WebSocket = require('ws');
+var Polling = require('./polling')
+  , util = require('../util')
+  , Emitter = require('../emitter')
+  , debug = require('debug')('engine.io-client:polling-xhr');
 
 /**
  * Module exports.
  */
 
-module.exports = WS;
+module.exports = XHR;
+module.exports.Request = Request;
 
 /**
  * Global reference.
  */
 
-var global = require('global');
+var global = util.global();
+
 
 /**
- * WebSocket transport constructor.
- *
- * @api {Object} connection options
- * @api public
+ * Obfuscated key for Blue Coat.
  */
 
-function WS(opts){
-  Transport.call(this, opts);
-}
+var xobject = global[['Active'].concat('Object').join('X')];
 
 /**
- * Inherits from Transport.
+ * Empty function
  */
 
-util.inherits(WS, Transport);
+function empty(){}
 
 /**
- * Transport name.
+ * XHR Polling constructor.
  *
+ * @param {Object} opts
  * @api public
  */
 
-WS.prototype.name = 'websocket';
+function XHR(opts){
+  Polling.call(this, opts);
+
+  if (global.location) {
+    var isSSL = 'https:' == location.protocol;
+    var port = location.port;
+
+    // some user agents have empty `location.port`
+    if (Number(port) !== port) {
+      port = isSSL ? 443 : 80;
+    }
+
+    this.xd = opts.hostname != global.location.hostname ||
+      port != opts.port;
+  }
+};
 
 /**
- * Opens socket.
+ * Inherits from Polling.
+ */
+
+util.inherits(XHR, Polling);
+
+/**
+ * Opens the socket
  *
  * @api private
  */
 
-WS.prototype.doOpen = function(){
-  if (!this.check()) {
-    // let probe timeout
-    return;
-  }
-
+XHR.prototype.doOpen = function(){
   var self = this;
-  var uri = this.uri();
-  var protocols = void(0);
-  var opts = { agent: this.agent };
-
-  this.socket = new WebSocket(uri, protocols, opts);
-  this.addEventListeners();
+  util.defer(function(){
+    Polling.prototype.doOpen.call(self);
+  });
 };
 
 /**
- * Adds event listeners to the socket
+ * Creates a request.
  *
+ * @param {String} method
  * @api private
  */
 
-WS.prototype.addEventListeners = function(){
-  var self = this;
-
-  this.socket.onopen = function(){
-    self.onOpen();
-  };
-  this.socket.onclose = function(){
-    self.onClose();
-  };
-  this.socket.onmessage = function(ev){
-    self.onData(ev.data);
-  };
-  this.socket.onerror = function(e){
-    self.onError('websocket error', e);
-  };
+XHR.prototype.request = function(opts){
+  opts = opts || {};
+  opts.uri = this.uri();
+  opts.xd = this.xd;
+  return new Request(opts);
 };
 
 /**
- * Override `onData` to use a timer on iOS.
- * See: https://gist.github.com/mloughran/2052006
+ * Sends data.
  *
+ * @param {String} data to send.
+ * @param {Function} called upon flush.
  * @api private
  */
 
-if ('undefined' != typeof navigator
-  && /iPad|iPhone|iPod/i.test(navigator.userAgent)) {
-  WS.prototype.onData = function(data){
-    var self = this;
-    setTimeout(function(){
-      Transport.prototype.onData.call(self, data);
-    }, 0);
-  };
-}
+XHR.prototype.doWrite = function(data, fn){
+  var req = this.request({ method: 'POST', data: data });
+  var self = this;
+  req.on('success', fn);
+  req.on('error', function(err){
+    self.onError('xhr post error', err);
+  });
+  this.sendXhr = req;
+};
 
 /**
- * Writes data to socket.
+ * Starts a poll cycle.
  *
- * @param {Array} array of packets.
  * @api private
  */
 
-WS.prototype.write = function(packets){
+XHR.prototype.doPoll = function(){
+  debug('xhr poll');
+  var req = this.request();
   var self = this;
-  this.writable = false;
-  // encodePacket efficient as it uses WS framing
-  // no need for encodePayload
-  for (var i = 0, l = packets.length; i < l; i++) {
-    this.socket.send(parser.encodePacket(packets[i]));
-  }
-  function ondrain() {
-    self.writable = true;
-    self.emit('drain');
-  }
-  // fake drain
-  // defer to next tick to allow Socket to clear writeBuffer
-  setTimeout(ondrain, 0);
+  req.on('data', function(data){
+    self.onData(data);
+  });
+  req.on('error', function(err){
+    self.onError('xhr poll error', err);
+  });
+  this.pollXhr = req;
 };
 
 /**
- * Called upon close
+ * Request constructor
  *
- * @api private
+ * @param {Object} options
+ * @api public
  */
 
-WS.prototype.onClose = function(){
-  Transport.prototype.onClose.call(this);
-};
+function Request(opts){
+  this.method = opts.method || 'GET';
+  this.uri = opts.uri;
+  this.xd = !!opts.xd;
+  this.async = false !== opts.async;
+  this.data = undefined != opts.data ? opts.data : null;
+  this.create();
+}
 
 /**
- * Closes socket.
- *
- * @api private
+ * Mix in `Emitter`.
  */
 
-WS.prototype.doClose = function(){
-  if (typeof this.socket !== 'undefined') {
-    this.socket.close();
-  }
-};
+Emitter(Request.prototype);
 
 /**
- * Generates uri for connection.
+ * Creates the XHR object and sends the request.
  *
  * @api private
  */
 
-WS.prototype.uri = function(){
-  var query = this.query || {};
-  var schema = this.secure ? 'wss' : 'ws';
-  var port = '';
+Request.prototype.create = function(){
+  var xhr = this.xhr = util.request(this.xd);
+  var self = this;
 
-  // avoid port if default for schema
-  if (this.port && (('wss' == schema && this.port != 443)
-    || ('ws' == schema && this.port != 80))) {
-    port = ':' + this.port;
-  }
+  xhr.open(this.method, this.uri, this.async);
 
-  // append timestamp to URI
-  if (this.timestampRequests) {
-    query[this.timestampParam] = +new Date;
+  if ('POST' == this.method) {
+    try {
+      if (xhr.setRequestHeader) {
+        // xmlhttprequest
+        xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');
+      } else {
+        // xdomainrequest
+        xhr.contentType = 'text/plain';
+      }
+    } catch (e) {}
   }
 
-  query = util.qs(query);
+  if (this.xd && global.XDomainRequest && xhr instanceof XDomainRequest) {
+    xhr.onerror = function(e){
+      self.onError(e);
+    };
+    xhr.onload = function(){
+      self.onData(xhr.responseText);
+    };
+    xhr.onprogress = empty;
+  } else {
+    // ie6 check
+    if ('withCredentials' in xhr) {
+      xhr.withCredentials = true;
+    }
 
-  // prepend ? to query
-  if (query.length) {
-    query = '?' + query;
+    xhr.onreadystatechange = function(){
+      var data;
+
+      try {
+        if (4 != xhr.readyState) return;
+        if (200 == xhr.status || 1223 == xhr.status) {
+          data = xhr.responseText;
+        } else {
+          self.onError(xhr.status);
+        }
+      } catch (e) {
+        self.onError(e);
+      }
+
+      if (undefined !== data) {
+        self.onData(data);
+      }
+    };
   }
 
-  return schema + '://' + this.hostname + port + this.path + query;
+  debug('sending xhr with url %s | data %s', this.uri, this.data);
+  xhr.send(this.data);
+
+  if (xobject) {
+    this.index = Request.requestsCount++;
+    Request.requests[this.index] = this;
+  }
 };
 
 /**
- * Feature detection for WebSocket.
+ * Called upon successful response.
  *
- * @return {Boolean} whether this transport is available.
- * @api public
+ * @api private
  */
 
-WS.prototype.check = function(){
-  return !!WebSocket && !('__initialize' in WebSocket && this.name === WS.prototype.name);
+Request.prototype.onSuccess = function(){
+  this.emit('success');
+  this.cleanup();
 };
 
-},{"../transport":5,"../util":12,"debug":14,"engine.io-parser":16,"global":19,"ws":22}],12:[function(require,module,exports){
-
-var global = require('global');
-
 /**
- * Status of page load.
+ * Called if we have data.
+ *
+ * @api private
  */
 
-var pageLoaded = false;
+Request.prototype.onData = function(data){
+  this.emit('data', data);
+  this.onSuccess();
+};
 
 /**
- * Inheritance.
+ * Called upon error.
  *
- * @param {Function} ctor a
- * @param {Function} ctor b
  * @api private
  */
 
-exports.inherits = function inherits (a, b) {
-  function c () { }
-  c.prototype = b.prototype;
-  a.prototype = new c;
+Request.prototype.onError = function(err){
+  this.emit('error', err);
+  this.cleanup();
 };
 
 /**
- * Object.keys
+ * Cleans up house.
+ *
+ * @api private
  */
 
-exports.keys = Object.keys || function (obj) {
-  var ret = [];
-  var has = Object.prototype.hasOwnProperty;
-
-  for (var i in obj) {
-    if (has.call(obj, i)) {
-      ret.push(i);
-    }
+Request.prototype.cleanup = function(){
+  if ('undefined' == typeof this.xhr ) {
+    return;
   }
+  // xmlhttprequest
+  this.xhr.onreadystatechange = empty;
 
-  return ret;
-};
+  // xdomainrequest
+  this.xhr.onload = this.xhr.onerror = empty;
 
-/**
- * Adds an event.
- *
- * @api private
- */
+  try {
+    this.xhr.abort();
+  } catch(e) {}
 
-exports.on = function (element, event, fn, capture) {
-  if (element.attachEvent) {
-    element.attachEvent('on' + event, fn);
-  } else if (element.addEventListener) {
-    element.addEventListener(event, fn, capture);
+  if (xobject) {
+    delete Request.requests[this.index];
   }
+
+  this.xhr = null;
 };
 
 /**
- * Load utility.
+ * Aborts the request.
  *
- * @api private
+ * @api public
  */
 
-exports.load = function (fn) {
-  if (global.document && document.readyState === 'complete' || pageLoaded) {
-    return fn();
-  }
-
-  exports.on(global, 'load', fn, false);
+Request.prototype.abort = function(){
+  this.cleanup();
 };
 
-/**
- * Change the internal pageLoaded value.
- */
+if (xobject) {
+  Request.requestsCount = 0;
+  Request.requests = {};
 
-if ('undefined' != typeof window) {
-  exports.load(function () {
-    pageLoaded = true;
+  global.attachEvent('onunload', function(){
+    for (var i in Request.requests) {
+      if (Request.requests.hasOwnProperty(i)) {
+        Request.requests[i].abort();
+      }
+    }
   });
 }
 
+});
+require.register("engine.io/lib/transports/polling-jsonp.js", function(exports, require, module){
+
 /**
- * JSON parse.
- *
- * @see Based on jQuery#parseJSON (MIT) and JSON2
- * @api private
+ * Module requirements.
  */
 
-var rvalidchars = /^[\],:{}\s]*$/;
-var rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;
-var rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;
-var rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g;
-var rtrimLeft = /^\s+/;
-var rtrimRight = /\s+$/;
+var Polling = require('./polling')
+  , util = require('../util');
 
-exports.parseJSON = function (data) {
-  if ('string' != typeof data || !data) {
-    return null;
-  }
+/**
+ * Module exports.
+ */
 
-  data = data.replace(rtrimLeft, '').replace(rtrimRight, '');
+module.exports = JSONPPolling;
 
-  // Attempt to parse using the native JSON parser first
-  if (global.JSON && JSON.parse) {
-    return JSON.parse(data);
-  }
+/**
+ * Global reference.
+ */
 
-  if (rvalidchars.test(data.replace(rvalidescape, '@')
-      .replace(rvalidtokens, ']')
-      .replace(rvalidbraces, ''))) {
-    return (new Function('return ' + data))();
-  }
-};
+var global = util.global();
 
 /**
- * UA / engines detection namespace.
- *
- * @namespace
+ * Cached regular expressions.
  */
 
-exports.ua = {};
+var rNewline = /\n/g;
 
 /**
- * Detect webkit.
- *
- * @api private
+ * Global JSONP callbacks.
  */
 
-exports.ua.webkit = 'undefined' != typeof navigator &&
-  /webkit/i.test(navigator.userAgent);
+var callbacks;
 
 /**
- * Detect gecko.
- *
- * @api private
+ * Callbacks count.
  */
 
-exports.ua.gecko = 'undefined' != typeof navigator &&
-  /gecko/i.test(navigator.userAgent);
+var index = 0;
 
 /**
- * Detect android;
+ * Noop.
  */
 
-exports.ua.android = 'undefined' != typeof navigator &&
-  /android/i.test(navigator.userAgent);
+function empty () { }
 
 /**
- * Detect iOS.
+ * JSONP Polling constructor.
+ *
+ * @param {Object} opts.
+ * @api public
  */
 
-exports.ua.ios = 'undefined' != typeof navigator &&
-  /^(iPad|iPhone|iPod)$/.test(navigator.platform);
-exports.ua.ios6 = exports.ua.ios && /OS 6_/.test(navigator.userAgent);
+function JSONPPolling (opts) {
+  Polling.call(this, opts);
+
+  // define global callbacks array if not present
+  // we do this here (lazily) to avoid unneeded global pollution
+  if (!callbacks) {
+    // we need to consider multiple engines in the same page
+    if (!global.___eio) global.___eio = [];
+    callbacks = global.___eio;
+  }
+
+  // callback identifier
+  this.index = callbacks.length;
+
+  // add callback to jsonp global
+  var self = this;
+  callbacks.push(function (msg) {
+    self.onData(msg);
+  });
+
+  // append to query string
+  this.query.j = this.index;
+};
 
 /**
- * Detect Chrome Frame.
+ * Inherits from Polling.
  */
 
-exports.ua.chromeframe = Boolean(global.externalHost);
+util.inherits(JSONPPolling, Polling);
 
 /**
- * Parses an URI
+ * Opens the socket.
  *
- * @author Steven Levithan <stevenlevithan.com> (MIT license)
  * @api private
  */
 
-var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
-
-var parts = [
-    'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host'
-  , 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
-];
-
-exports.parseUri = function (str) {
-  var m = re.exec(str || '')
-    , uri = {}
-    , i = 14;
-
-  while (i--) {
-    uri[parts[i]] = m[i] || '';
-  }
-
-  return uri;
+JSONPPolling.prototype.doOpen = function () {
+  var self = this;
+  util.defer(function () {
+    Polling.prototype.doOpen.call(self);
+  });
 };
 
 /**
- * Compiles a querystring
+ * Closes the socket
  *
- * @param {Object}
  * @api private
  */
 
-exports.qs = function (obj) {
-  var str = '';
+JSONPPolling.prototype.doClose = function () {
+  if (this.script) {
+    this.script.parentNode.removeChild(this.script);
+    this.script = null;
+  }
 
-  for (var i in obj) {
-    if (obj.hasOwnProperty(i)) {
-      if (str.length) str += '&';
-      str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);
-    }
+  if (this.form) {
+    this.form.parentNode.removeChild(this.form);
+    this.form = null;
   }
 
-  return str;
+  Polling.prototype.doClose.call(this);
 };
 
 /**
- * Parses a simple querystring.
+ * Starts a poll cycle.
  *
- * @param {String} qs
  * @api private
  */
 
-exports.qsParse = function(qs){
-  var qry = {};
-  var pairs = qs.split('&');
-  for (var i = 0, l = pairs.length; i < l; i++) {
-    var pair = pairs[i].split('=');
-    qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
+JSONPPolling.prototype.doPoll = function () {
+	var self = this;
+  var script = document.createElement('script');
+
+  if (this.script) {
+    this.script.parentNode.removeChild(this.script);
+    this.script = null;
   }
-  return qry;
-};
 
-},{"global":19}],13:[function(require,module,exports){
-// browser shim for xmlhttprequest module
-var hasCORS = require('has-cors');
+  script.async = true;
+  script.src = this.uri();
+	script.onerror = function(e){
+		self.onError('jsonp poll error',e);
+	}
 
-module.exports = function(opts) {
-  var xdomain = opts.xdomain;
+  var insertAt = document.getElementsByTagName('script')[0];
+  insertAt.parentNode.insertBefore(script, insertAt);
+  this.script = script;
 
-  // XMLHttpRequest can be disabled on IE
-  try {
-    if ('undefined' != typeof XMLHttpRequest && (!xdomain || hasCORS)) {
-      return new XMLHttpRequest();
-    }
-  } catch (e) { }
 
-  if (!xdomain) {
-    try {
-      return new ActiveXObject('Microsoft.XMLHTTP');
-    } catch(e) { }
+  if (util.ua.gecko) {
+    setTimeout(function () {
+      var iframe = document.createElement('iframe');
+      document.body.appendChild(iframe);
+      document.body.removeChild(iframe);
+    }, 100);
   }
-}
-
-},{"has-cors":20}],14:[function(require,module,exports){
-
-/**
- * Expose `debug()` as the module.
- */
-
-module.exports = debug;
+};
 
 /**
- * Create a debugger with the given `name`.
+ * Writes with a hidden iframe.
  *
- * @param {String} name
- * @return {Type}
- * @api public
+ * @param {String} data to send
+ * @param {Function} called upon flush.
+ * @api private
  */
 
-function debug(name) {
-  if (!debug.enabled(name)) return function(){};
-
-  return function(fmt){
-    fmt = coerce(fmt);
+JSONPPolling.prototype.doWrite = function (data, fn) {
+  var self = this;
 
-    var curr = new Date;
-    var ms = curr - (debug[name] || curr);
-    debug[name] = curr;
+  if (!this.form) {
+    var form = document.createElement('form');
+    var area = document.createElement('textarea');
+    var id = this.iframeId = 'eio_iframe_' + this.index;
+    var iframe;
 
-    fmt = name
-      + ' '
-      + fmt
-      + ' +' + debug.humanize(ms);
+    form.className = 'socketio';
+    form.style.position = 'absolute';
+    form.style.top = '-1000px';
+    form.style.left = '-1000px';
+    form.target = id;
+    form.method = 'POST';
+    form.setAttribute('accept-charset', 'utf-8');
+    area.name = 'd';
+    form.appendChild(area);
+    document.body.appendChild(form);
 
-    // This hackery is required for IE8
-    // where `console.log` doesn't have 'apply'
-    window.console
-      && console.log
-      && Function.prototype.apply.call(console.log, console, arguments);
+    this.form = form;
+    this.area = area;
   }
-}
-
-/**
- * The currently active debug mode names.
- */
-
-debug.names = [];
-debug.skips = [];
-
-/**
- * Enables a debug mode by name. This can include modes
- * separated by a colon and wildcards.
- *
- * @param {String} name
- * @api public
- */
 
-debug.enable = function(name) {
-  try {
-    localStorage.debug = name;
-  } catch(e){}
+  this.form.action = this.uri();
 
-  var split = (name || '').split(/[\s,]+/)
-    , len = split.length;
+  function complete () {
+    initIframe();
+    fn();
+  };
 
-  for (var i = 0; i < len; i++) {
-    name = split[i].replace('*', '.*?');
-    if (name[0] === '-') {
-      debug.skips.push(new RegExp('^' + name.substr(1) + '$'));
-    }
-    else {
-      debug.names.push(new RegExp('^' + name + '$'));
+  function initIframe () {
+    if (self.iframe) {
+      try {
+        self.form.removeChild(self.iframe);
+      } catch (e) {
+        self.onError('jsonp polling iframe removal error', e);
+      }
     }
-  }
-};
 
-/**
- * Disable debug output.
- *
- * @api public
- */
+    try {
+      // ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
+      var html = '<iframe src="javascript:0" name="'+ self.iframeId +'">';
+      iframe = document.createElement(html);
+    } catch (e) {
+      iframe = document.createElement('iframe');
+      iframe.name = self.iframeId;
+      iframe.src = 'javascript:0';
+    }
 
-debug.disable = function(){
-  debug.enable('');
-};
+    iframe.id = self.iframeId;
 
-/**
- * Humanize the given `ms`.
- *
- * @param {Number} m
- * @return {String}
- * @api private
- */
+    self.form.appendChild(iframe);
+    self.iframe = iframe;
+  };
 
-debug.humanize = function(ms) {
-  var sec = 1000
-    , min = 60 * 1000
-    , hour = 60 * min;
+  initIframe();
 
-  if (ms >= hour) return (ms / hour).toFixed(1) + 'h';
-  if (ms >= min) return (ms / min).toFixed(1) + 'm';
-  if (ms >= sec) return (ms / sec | 0) + 's';
-  return ms + 'ms';
-};
+  // escape \n to prevent it from being converted into \r\n by some UAs
+  this.area.value = data.replace(rNewline, '\\n');
 
-/**
- * Returns true if the given mode name is enabled, false otherwise.
- *
- * @param {String} name
- * @return {Boolean}
- * @api public
- */
+  try {
+    this.form.submit();
+  } catch(e) {}
 
-debug.enabled = function(name) {
-  for (var i = 0, len = debug.skips.length; i < len; i++) {
-    if (debug.skips[i].test(name)) {
-      return false;
-    }
-  }
-  for (var i = 0, len = debug.names.length; i < len; i++) {
-    if (debug.names[i].test(name)) {
-      return true;
-    }
+  if (this.iframe.attachEvent) {
+    this.iframe.onreadystatechange = function(){
+      if (self.iframe.readyState == 'complete') {
+        complete();
+      }
+    };
+  } else {
+    this.iframe.onload = complete;
   }
-  return false;
 };
 
+});
+require.register("engine.io/lib/transports/websocket.js", function(exports, require, module){
 /**
- * Coerce `val`.
+ * Module dependencies.
  */
 
-function coerce(val) {
-  if (val instanceof Error) return val.stack || val.message;
-  return val;
-}
+var Transport = require('../transport')
+  , parser = require('engine.io-parser')
+  , util = require('../util')
+  , debug = require('debug')('engine.io-client:websocket');
 
-// persist
+/**
+ * Module exports.
+ */
 
-try {
-  if (window.localStorage) debug.enable(localStorage.debug);
-} catch(e){}
+module.exports = WS;
+
+/**
+ * Global reference.
+ */
 
-},{}],15:[function(require,module,exports){
+var global = util.global();
 
 /**
- * Module dependencies.
+ * WebSocket transport constructor.
+ *
+ * @api {Object} connection options
+ * @api public
  */
 
-var index = require('indexof');
+function WS(opts){
+  Transport.call(this, opts);
+};
 
 /**
- * Expose `Emitter`.
+ * Inherits from Transport.
  */
 
-module.exports = Emitter;
+util.inherits(WS, Transport);
 
 /**
- * Initialize a new `Emitter`.
+ * Transport name.
  *
  * @api public
  */
 
-function Emitter(obj) {
-  if (obj) return mixin(obj);
-};
+WS.prototype.name = 'websocket';
 
 /**
- * Mixin the emitter properties.
+ * Opens socket.
  *
- * @param {Object} obj
- * @return {Object}
  * @api private
  */
 
-function mixin(obj) {
-  for (var key in Emitter.prototype) {
-    obj[key] = Emitter.prototype[key];
+WS.prototype.doOpen = function(){
+  if (!this.check()) {
+    // let probe timeout
+    return;
   }
-  return obj;
-}
+
+  var self = this;
+
+  this.socket = new (ws())(this.uri());
+  this.socket.onopen = function(){
+    self.onOpen();
+  };
+  this.socket.onclose = function(){
+    self.onClose();
+  };
+  this.socket.onmessage = function(ev){
+    self.onData(ev.data);
+  };
+  this.socket.onerror = function(e){
+    self.onError('websocket error', e);
+  };
+};
 
 /**
- * Listen on the given `event` with `fn`.
+ * Override `onData` to use a timer on iOS.
+ * See: https://gist.github.com/mloughran/2052006
  *
- * @param {String} event
- * @param {Function} fn
- * @return {Emitter}
- * @api public
+ * @api private
  */
 
-Emitter.prototype.on = function(event, fn){
-  this._callbacks = this._callbacks || {};
-  (this._callbacks[event] = this._callbacks[event] || [])
-    .push(fn);
-  return this;
-};
+if ('undefined' != typeof navigator
+  && /iPad|iPhone|iPod/i.test(navigator.userAgent)) {
+  WS.prototype.onData = function(data){
+    var self = this;
+    setTimeout(function(){
+      Transport.prototype.onData.call(self, data);
+    }, 0);
+  };
+}
 
 /**
- * Adds an `event` listener that will be invoked a single
- * time then automatically removed.
+ * Writes data to socket.
  *
- * @param {String} event
- * @param {Function} fn
- * @return {Emitter}
- * @api public
+ * @param {Array} array of packets.
+ * @api private
  */
 
-Emitter.prototype.once = function(event, fn){
+WS.prototype.write = function(packets){
   var self = this;
-  this._callbacks = this._callbacks || {};
-
-  function on() {
-    self.off(event, on);
-    fn.apply(this, arguments);
+  this.writable = false;
+  // encodePacket efficient as it uses WS framing
+  // no need for encodePayload
+  for (var i = 0, l = packets.length; i < l; i++) {
+    this.socket.send(parser.encodePacket(packets[i]));
+  }
+  function ondrain() {
+    self.writable = true;
+    self.emit('drain');
+  }
+  // check periodically if we're done sending
+  if ('bufferedAmount' in this.socket) {
+    this.bufferedAmountId = setInterval(function() {
+      if (self.socket.bufferedAmount == 0) {
+        clearInterval(self.bufferedAmountId);
+        ondrain();
+      }
+    }, 50);
+  } else {
+    // fake drain
+    // defer to next tick to allow Socket to clear writeBuffer
+    setTimeout(ondrain, 0);
   }
-
-  fn._off = on;
-  this.on(event, on);
-  return this;
 };
 
 /**
- * Remove the given callback for `event` or all
- * registered callbacks.
+ * Called upon close
  *
- * @param {String} event
- * @param {Function} fn
- * @return {Emitter}
- * @api public
+ * @api private
  */
 
-Emitter.prototype.off =
-Emitter.prototype.removeListener =
-Emitter.prototype.removeAllListeners = function(event, fn){
-  this._callbacks = this._callbacks || {};
-
-  // all
-  if (0 == arguments.length) {
-    this._callbacks = {};
-    return this;
-  }
+WS.prototype.onClose = function(){
+  // stop checking to see if websocket is done sending buffer
+  clearInterval(this.bufferedAmountId);
+  Transport.prototype.onClose.call(this);
+};
 
-  // specific event
-  var callbacks = this._callbacks[event];
-  if (!callbacks) return this;
+/**
+ * Closes socket.
+ *
+ * @api private
+ */
 
-  // remove all handlers
-  if (1 == arguments.length) {
-    delete this._callbacks[event];
-    return this;
+WS.prototype.doClose = function(){
+  if (typeof this.socket !== 'undefined') {
+    this.socket.close();
   }
-
-  // remove specific handler
-  var i = index(callbacks, fn._off || fn);
-  if (~i) callbacks.splice(i, 1);
-  return this;
 };
 
 /**
- * Emit `event` with the given args.
+ * Generates uri for connection.
  *
- * @param {String} event
- * @param {Mixed} ...
- * @return {Emitter}
+ * @api private
  */
 
-Emitter.prototype.emit = function(event){
-  this._callbacks = this._callbacks || {};
-  var args = [].slice.call(arguments, 1)
-    , callbacks = this._callbacks[event];
+WS.prototype.uri = function(){
+  var query = this.query || {};
+  var schema = this.secure ? 'wss' : 'ws';
+  var port = '';
 
-  if (callbacks) {
-    callbacks = callbacks.slice(0);
-    for (var i = 0, len = callbacks.length; i < len; ++i) {
-      callbacks[i].apply(this, args);
-    }
+  // avoid port if default for schema
+  if (this.port && (('wss' == schema && this.port != 443)
+    || ('ws' == schema && this.port != 80))) {
+    port = ':' + this.port;
   }
 
-  return this;
+  // append timestamp to URI
+  if (this.timestampRequests) {
+    query[this.timestampParam] = +new Date;
+  }
+
+  query = util.qs(query);
+
+  // prepend ? to query
+  if (query.length) {
+    query = '?' + query;
+  }
+
+  return schema + '://' + this.hostname + port + this.path + query;
 };
 
 /**
- * Return array of callbacks for `event`.
+ * Feature detection for WebSocket.
  *
- * @param {String} event
- * @return {Array}
+ * @return {Boolean} whether this transport is available.
  * @api public
  */
 
-Emitter.prototype.listeners = function(event){
-  this._callbacks = this._callbacks || {};
-  return this._callbacks[event] || [];
+WS.prototype.check = function(){
+  var websocket = ws();
+  return !!websocket && !('__initialize' in websocket && this.name === WS.prototype.name);
 };
 
 /**
- * Check if this emitter has `event` handlers.
+ * Getter for WS constructor.
  *
- * @param {String} event
- * @return {Boolean}
- * @api public
+ * @api private
  */
 
-Emitter.prototype.hasListeners = function(event){
-  return !! this.listeners(event).length;
-};
-
-},{"indexof":21}],16:[function(require,module,exports){
+function ws(){
+  if ('undefined' == typeof window) {
+    return require('ws');
+  }
 
-module.exports = require('./lib/');
+  return global.WebSocket || global.MozWebSocket;
+}
 
-},{"./lib/":17}],17:[function(require,module,exports){
+});
+require.register("engine.io/lib/transports/flashsocket.js", function(exports, require, module){
 /**
  * Module dependencies.
  */
 
-var keys = require('./keys');
-
-/**
- * Current protocol version.
- */
-exports.protocol = 2;
+var WS = require('./websocket')
+  , util = require('../util')
+  , debug = require('debug')('engine.io-client:flashsocket');
 
 /**
- * Packet types.
+ * Module exports.
  */
 
-var packets = exports.packets = {
-    open:     0    // non-ws
-  , close:    1    // non-ws
-  , ping:     2
-  , pong:     3
-  , message:  4
-  , upgrade:  5
-  , noop:     6
-};
-
-var packetslist = keys(packets);
+module.exports = FlashWS;
 
 /**
- * Premade error packet.
+ * Global reference.
  */
 
-var err = { type: 'error', data: 'parser error' };
+var global = util.global()
 
 /**
- * Encodes a packet.
- *
- *     <packet type id> [ `:` <data> ]
- *
- * Example:
- *
- *     5:hello world
- *     3
- *     4
- *
- * @api private
+ * Obfuscated key for Blue Coat.
  */
 
-exports.encodePacket = function (packet) {
-  var encoded = packets[packet.type];
-
-  // data fragment is optional
-  if (undefined !== packet.data) {
-    encoded += String(packet.data);
-  }
-
-  return '' + encoded;
-};
+var xobject = global[['Active'].concat('Object').join('X')];
 
 /**
- * Decodes a packet.
+ * FlashWS constructor.
  *
- * @return {Object} with `type` and `data` (if any)
- * @api private
+ * @api public
  */
 
-exports.decodePacket = function (data) {
-  var type = data.charAt(0);
-
-  if (Number(type) != type || !packetslist[type]) {
-    return err;
-  }
-
-  if (data.length > 1) {
-    return { type: packetslist[type], data: data.substring(1) };
-  } else {
-    return { type: packetslist[type] };
-  }
+function FlashWS (options) {
+  WS.call(this, options);
+  this.flashPath = options.flashPath;
+  this.policyPort = options.policyPort;
 };
 
 /**
- * Encodes multiple messages (payload).
- *
- *     <length>:data
- *
- * Example:
- *
- *     11:hello world2:hi
- *
- * @param {Array} packets
- * @api private
+ * Inherits from WebSocket.
  */
 
-exports.encodePayload = function (packets) {
-  if (!packets.length) {
-    return '0:';
-  }
-
-  var encoded = '';
-  var message;
+util.inherits(FlashWS, WS);
 
-  for (var i = 0, l = packets.length; i < l; i++) {
-    message = exports.encodePacket(packets[i]);
-    encoded += message.length + ':' + message;
-  }
+/**
+ * Transport name.
+ *
+ * @api public
+ */
 
-  return encoded;
-};
+FlashWS.prototype.name = 'flashsocket';
 
-/*
- * Decodes data when a payload is maybe expected.
+/**
+ * Opens the transport.
  *
- * @param {String} data, callback method
  * @api public
  */
 
-exports.decodePayload = function (data, callback) {
-  var packet;
-  if (data == '') {
-    // parser error - ignoring payload
-    return callback(err, 0, 1);
+FlashWS.prototype.doOpen = function () {
+  if (!this.check()) {
+    // let the probe timeout
+    return;
   }
 
-  var length = ''
-    , n, msg;
+  // instrument websocketjs logging
+  function log (type) {
+    return function(){
+      var str = Array.prototype.join.call(arguments, ' ');
+      debug('[websocketjs %s] %s', type, str);
+    };
+  };
 
-  for (var i = 0, l = data.length; i < l; i++) {
-    var chr = data.charAt(i);
+  WEB_SOCKET_LOGGER = { log: log('debug'), error: log('error') };
+  WEB_SOCKET_SUPPRESS_CROSS_DOMAIN_SWF_ERROR = true;
+  WEB_SOCKET_DISABLE_AUTO_INITIALIZATION = true;
 
-    if (':' != chr) {
-      length += chr;
-    } else {
-      if ('' == length || (length != (n = Number(length)))) {
-        // parser error - ignoring payload
-        return callback(err, 0, 1);
-      }
+  if ('undefined' == typeof WEB_SOCKET_SWF_LOCATION) {
+    WEB_SOCKET_SWF_LOCATION = this.flashPath + 'WebSocketMainInsecure.swf';
+  }
 
-      msg = data.substr(i + 1, n);
+  // dependencies
+  var deps = [this.flashPath + 'web_socket.js'];
 
-      if (length != msg.length) {
-        // parser error - ignoring payload
-        return callback(err, 0, 1);
-      }
+  if ('undefined' == typeof swfobject) {
+    deps.unshift(this.flashPath + 'swfobject.js');
+  }
 
-      if (msg.length) {
-        packet = exports.decodePacket(msg);
+  var self = this;
 
-        if (err.type == packet.type && err.data == packet.data) {
-          // parser error in individual packet - ignoring payload
-          return callback(err, 0, 1);
-        }
+  load(deps, function () {
+    self.ready(function () {
+      WebSocket.__addTask(function () {
+        WS.prototype.doOpen.call(self);
+      });
+    });
+  });
+};
 
-        var ret = callback(packet, i + n, l);
-        if (false === ret) return;
-      }
+/**
+ * Override to prevent closing uninitialized flashsocket.
+ *
+ * @api private
+ */
 
-      // advance cursor
-      i += n;
-      length = '';
-    }
-  }
+FlashWS.prototype.doClose = function () {
+  if (!this.socket) return;
+  var self = this;
+  WebSocket.__addTask(function() {
+    WS.prototype.doClose.call(self);
+  });
+};
 
-  if (length != '') {
-    // parser error - ignoring payload
-    return callback(err, 0, 1);
-  }
+/**
+ * Writes to the Flash socket.
+ *
+ * @api private
+ */
 
+FlashWS.prototype.write = function() {
+  var self = this, args = arguments;
+  WebSocket.__addTask(function () {
+    WS.prototype.write.apply(self, args);
+  });
 };
 
-},{"./keys":18}],18:[function(require,module,exports){
-
 /**
- * Gets the keys for an object.
+ * Called upon dependencies are loaded.
  *
- * @return {Array} keys
  * @api private
  */
 
-module.exports = Object.keys || function keys (obj){
-  var arr = [];
-  var has = Object.prototype.hasOwnProperty;
-
-  for (var i in obj) {
-    if (has.call(obj, i)) {
-      arr.push(i);
-    }
+FlashWS.prototype.ready = function (fn) {
+  if (typeof WebSocket == 'undefined' ||
+    !('__initialize' in WebSocket) || !swfobject) {
+    return;
   }
-  return arr;
-};
 
-},{}],19:[function(require,module,exports){
+  if (swfobject.getFlashPlayerVersion().major < 10) {
+    return;
+  }
 
-/**
- * Returns `this`. Execute this without a "context" (i.e. without it being
- * attached to an object of the left-hand side), and `this` points to the
- * "global" scope of the current JS execution.
- */
+  function init () {
+    // Only start downloading the swf file when the checked that this browser
+    // actually supports it
+    if (!FlashWS.loaded) {
+      if (843 != self.policyPort) {
+        WebSocket.loadFlashPolicyFile('xmlsocket://' + self.host + ':' + self.policyPort);
+      }
 
-module.exports = (function () { return this; })();
+      WebSocket.__initialize();
+      FlashWS.loaded = true;
+    }
 
-},{}],20:[function(require,module,exports){
+    fn.call(self);
+  }
 
-/**
- * Module dependencies.
- */
+  var self = this;
+  if (document.body) {
+    return init();
+  }
 
-var global = require('global');
+  util.load(init);
+};
 
 /**
- * Module exports.
- *
- * Logic borrowed from Modernizr:
+ * Feature detection for flashsocket.
  *
- *   - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js
+ * @return {Boolean} whether this transport is available.
+ * @api public
  */
 
-try {
-  module.exports = 'XMLHttpRequest' in global &&
-    'withCredentials' in new global.XMLHttpRequest();
-} catch (err) {
-  // if XMLHttp support is disabled in IE then it will throw
-  // when trying to create
-  module.exports = false;
-}
-
-},{"global":19}],21:[function(require,module,exports){
+FlashWS.prototype.check = function () {
+  if ('undefined' == typeof window) {
+    return false;
+  }
 
-var indexOf = [].indexOf;
+  if (typeof WebSocket != 'undefined' && !('__initialize' in WebSocket)) {
+    return false;
+  }
 
-module.exports = function(arr, obj){
-  if (indexOf) return arr.indexOf(obj);
-  for (var i = 0; i < arr.length; ++i) {
-    if (arr[i] === obj) return i;
+  if (xobject) {
+    var control = null;
+    try {
+      control = new xobject('ShockwaveFlash.ShockwaveFlash');
+    } catch (e) { }
+    if (control) {
+      return true;
+    }
+  } else {
+    for (var i = 0, l = navigator.plugins.length; i < l; i++) {
+      for (var j = 0, m = navigator.plugins[i].length; j < m; j++) {
+        if (navigator.plugins[i][j].description == 'Shockwave Flash') {
+          return true;
+        }
+      }
+    }
   }
-  return -1;
+
+  return false;
 };
-},{}],22:[function(require,module,exports){
 
 /**
- * Module dependencies.
+ * Lazy loading of scripts.
+ * Based on $script by Dustin Diaz - MIT
  */
 
-var global = (function() { return this; })();
+var scripts = {};
 
 /**
- * WebSocket constructor.
+ * Injects a script. Keeps tracked of injected ones.
+ *
+ * @param {String} path
+ * @param {Function} callback
+ * @api private
  */
 
-var WebSocket = global.WebSocket || global.MozWebSocket;
+function create (path, fn) {
+  if (scripts[path]) return fn();
 
-/**
- * Module exports.
- */
+  var el = document.createElement('script');
+  var loaded = false;
+
+  debug('loading "%s"', path);
+  el.onload = el.onreadystatechange = function () {
+    if (loaded || scripts[path]) return;
+    var rs = el.readyState;
+    if (!rs || 'loaded' == rs || 'complete' == rs) {
+      debug('loaded "%s"', path);
+      el.onload = el.onreadystatechange = null;
+      loaded = true;
+      scripts[path] = true;
+      fn();
+    }
+  };
+
+  el.async = 1;
+  el.src = path;
 
-module.exports = WebSocket ? ws : null;
+  var head = document.getElementsByTagName('head')[0];
+  head.insertBefore(el, head.firstChild);
+};
 
 /**
- * WebSocket constructor.
- *
- * The third `opts` options object gets ignored in web browsers, since it's
- * non-standard, and throws a TypeError if passed to the constructor.
- * See: https://github.com/einaros/ws/issues/227
+ * Loads scripts and fires a callback.
  *
- * @param {String} uri
- * @param {Array} protocols (optional)
- * @param {Object) opts (optional)
- * @api public
+ * @param {Array} paths
+ * @param {Function} callback
  */
 
-function ws(uri, protocols, opts) {
-  var instance;
-  if (protocols) {
-    instance = new WebSocket(uri, protocols);
-  } else {
-    instance = new WebSocket(uri);
-  }
-  return instance;
-}
+function load (arr, fn) {
+  function process (i) {
+    if (!arr[i]) return fn();
+    create(arr[i], function () {
+      process(++i);
+    });
+  };
 
-if (WebSocket) ws.prototype = WebSocket.prototype;
+  process(0);
+};
 
-},{}]},{},[1])
-(1)
 });
-;
+require.alias("component-emitter/index.js", "engine.io/deps/emitter/index.js");
+require.alias("component-emitter/index.js", "emitter/index.js");
+
+require.alias("component-indexof/index.js", "engine.io/deps/indexof/index.js");
+require.alias("component-indexof/index.js", "indexof/index.js");
+
+require.alias("LearnBoost-engine.io-protocol/lib/index.js", "engine.io/deps/engine.io-parser/lib/index.js");
+require.alias("LearnBoost-engine.io-protocol/lib/keys.js", "engine.io/deps/engine.io-parser/lib/keys.js");
+require.alias("LearnBoost-engine.io-protocol/lib/index.js", "engine.io/deps/engine.io-parser/index.js");
+require.alias("LearnBoost-engine.io-protocol/lib/index.js", "engine.io-parser/index.js");
+require.alias("LearnBoost-engine.io-protocol/lib/index.js", "LearnBoost-engine.io-protocol/index.js");
+
+require.alias("visionmedia-debug/index.js", "engine.io/deps/debug/index.js");
+require.alias("visionmedia-debug/debug.js", "engine.io/deps/debug/debug.js");
+require.alias("visionmedia-debug/index.js", "debug/index.js");
+
+require.alias("engine.io/lib/index.js", "engine.io/index.js");
+
+if (typeof exports == "object") {
+  module.exports = require("engine.io");
+} else if (typeof define == "function" && define.amd) {
+  define(function(){ return require("engine.io"); });
+} else {
+  this["eio"] = require("engine.io");
+}})();
\ No newline at end of file
-- 
2.25.1