[Pkg-javascript-commits] [sockjs-client] 90/350: Add bower and built files

tonnerre at ancient-solutions.com tonnerre at ancient-solutions.com
Fri Aug 5 01:03:46 UTC 2016


This is an automated email from the git hooks/post-receive script.

tonnerre-guest pushed a commit to branch upstream
in repository sockjs-client.

commit 3cbe21423e7f2c93f4b6853059f38ae1a7b2a2b2
Author: Bryce Kahle <bkahle at gmail.com>
Date:   Mon Oct 6 11:31:43 2014 -0400

    Add bower and built files
---
 .gitignore               |    5 +-
 bower.json               |   29 +
 dist/sockjs-0.3.4.js     | 2379 ++++++++++++++++++++++++++++++++++++++++++++++
 dist/sockjs-0.3.4.min.js |   27 +
 dist/sockjs.js           | 2379 ++++++++++++++++++++++++++++++++++++++++++++++
 dist/sockjs.min.js       |   27 +
 6 files changed, 4844 insertions(+), 2 deletions(-)

diff --git a/.gitignore b/.gitignore
index dfd18b3..84fca0f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,10 +1,11 @@
 .pidfile.pid
 node_modules
 npm-debug.log
-sockjs.js
-sockjs.min.js
+/sockjs.js
+/sockjs.min.js
 .testling_env.sh
 testling.js
 build/
 tests/html/lib/alltestsbundle.js
+tests/html/lib/sockjs.js
 tests/html/lib/sockjs.js.map
\ No newline at end of file
diff --git a/bower.json b/bower.json
new file mode 100644
index 0000000..5578753
--- /dev/null
+++ b/bower.json
@@ -0,0 +1,29 @@
+{
+  "name": "sockjs-client",
+  "version": "0.3.4",
+  "homepage": "http://sockjs.org",
+  "authors": [
+    "Bryce Kahle <bkahle at gmail.com>"
+  ],
+  "description": "Realtime library that provides a cross-browser, low latency, full duplex, cross-domain communication channel that behaves like a native WebSocket object.",
+  "main": "dist/sockjs.js",
+  "keywords": [
+    "realtime",
+    "websockets",
+    "sockjs"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/sockjs/sockjs-client.git"
+  },
+  "license": "MIT",
+  "ignore": [
+    "**/.*",
+    "bin",
+    "lib",
+    "node_modules",
+    "bower_components",
+    "test",
+    "tests"
+  ]
+}
diff --git a/dist/sockjs-0.3.4.js b/dist/sockjs-0.3.4.js
new file mode 100644
index 0000000..585215c
--- /dev/null
+++ b/dist/sockjs-0.3.4.js
@@ -0,0 +1,2379 @@
+/* SockJS client, version 0.3.4, http://sockjs.org, MIT License
+
+Copyright (c) 2011-2012 VMware, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+// JSON2 by Douglas Crockford (minified).
+var JSON;JSON||(JSON={}),function(){function str(a,b){var c,d,e,f,g=gap,h,i=b[a];i&&typeof i=="object"&&typeof i.toJSON=="function"&&(i=i.toJSON(a)),typeof rep=="function"&&(i=rep.call(b,a,i));switch(typeof i){case"string":return quote(i);case"number":return isFinite(i)?String(i):"null";case"boolean":case"null":return String(i);case"object":if(!i)return"null";gap+=indent,h=[];if(Object.prototype.toString.apply(i)==="[object Array]"){f=i.length;for(c=0;c<f;c+=1)h[c]=str(c,i)||"null";e=h.l [...]
+
+
+//     [*] Including lib/index.js
+// Public object
+SockJS = (function(){
+              var _document = document;
+              var _window = window;
+              var utils = {};
+
+
+//         [*] Including lib/reventtarget.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+/* Simplified implementation of DOM2 EventTarget.
+ *   http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-EventTarget
+ */
+var REventTarget = function() {};
+REventTarget.prototype.addEventListener = function (eventType, listener) {
+    if(!this._listeners) {
+         this._listeners = {};
+    }
+    if(!(eventType in this._listeners)) {
+        this._listeners[eventType] = [];
+    }
+    var arr = this._listeners[eventType];
+    if(utils.arrIndexOf(arr, listener) === -1) {
+        arr.push(listener);
+    }
+    return;
+};
+
+REventTarget.prototype.removeEventListener = function (eventType, listener) {
+    if(!(this._listeners && (eventType in this._listeners))) {
+        return;
+    }
+    var arr = this._listeners[eventType];
+    var idx = utils.arrIndexOf(arr, listener);
+    if (idx !== -1) {
+        if(arr.length > 1) {
+            this._listeners[eventType] = arr.slice(0, idx).concat( arr.slice(idx+1) );
+        } else {
+            delete this._listeners[eventType];
+        }
+        return;
+    }
+    return;
+};
+
+REventTarget.prototype.dispatchEvent = function (event) {
+    var t = event.type;
+    var args = Array.prototype.slice.call(arguments, 0);
+    if (this['on'+t]) {
+        this['on'+t].apply(this, args);
+    }
+    if (this._listeners && t in this._listeners) {
+        for(var i=0; i < this._listeners[t].length; i++) {
+            this._listeners[t][i].apply(this, args);
+        }
+    }
+};
+//         [*] End of lib/reventtarget.js
+
+
+//         [*] Including lib/simpleevent.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var SimpleEvent = function(type, obj) {
+    this.type = type;
+    if (typeof obj !== 'undefined') {
+        for(var k in obj) {
+            if (!obj.hasOwnProperty(k)) continue;
+            this[k] = obj[k];
+        }
+    }
+};
+
+SimpleEvent.prototype.toString = function() {
+    var r = [];
+    for(var k in this) {
+        if (!this.hasOwnProperty(k)) continue;
+        var v = this[k];
+        if (typeof v === 'function') v = '[function]';
+        r.push(k + '=' + v);
+    }
+    return 'SimpleEvent(' + r.join(', ') + ')';
+};
+//         [*] End of lib/simpleevent.js
+
+
+//         [*] Including lib/eventemitter.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var EventEmitter = function(events) {
+    var that = this;
+    that._events = events || [];
+    that._listeners = {};
+};
+EventEmitter.prototype.emit = function(type) {
+    var that = this;
+    that._verifyType(type);
+    if (that._nuked) return;
+
+    var args = Array.prototype.slice.call(arguments, 1);
+    if (that['on'+type]) {
+        that['on'+type].apply(that, args);
+    }
+    if (type in that._listeners) {
+        for(var i = 0; i < that._listeners[type].length; i++) {
+            that._listeners[type][i].apply(that, args);
+        }
+    }
+};
+
+EventEmitter.prototype.on = function(type, callback) {
+    var that = this;
+    that._verifyType(type);
+    if (that._nuked) return;
+
+    if (!(type in that._listeners)) {
+        that._listeners[type] = [];
+    }
+    that._listeners[type].push(callback);
+};
+
+EventEmitter.prototype._verifyType = function(type) {
+    var that = this;
+    if (utils.arrIndexOf(that._events, type) === -1) {
+        utils.log('Event ' + JSON.stringify(type) +
+                  ' not listed ' + JSON.stringify(that._events) +
+                  ' in ' + that);
+    }
+};
+
+EventEmitter.prototype.nuke = function() {
+    var that = this;
+    that._nuked = true;
+    for(var i=0; i<that._events.length; i++) {
+        delete that[that._events[i]];
+    }
+    that._listeners = {};
+};
+//         [*] End of lib/eventemitter.js
+
+
+//         [*] Including lib/utils.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var random_string_chars = 'abcdefghijklmnopqrstuvwxyz0123456789_';
+utils.random_string = function(length, max) {
+    max = max || random_string_chars.length;
+    var i, ret = [];
+    for(i=0; i < length; i++) {
+        ret.push( random_string_chars.substr(Math.floor(Math.random() * max),1) );
+    }
+    return ret.join('');
+};
+utils.random_number = function(max) {
+    return Math.floor(Math.random() * max);
+};
+utils.random_number_string = function(max) {
+    var t = (''+(max - 1)).length;
+    var p = Array(t+1).join('0');
+    return (p + utils.random_number(max)).slice(-t);
+};
+
+// Assuming that url looks like: http://asdasd:111/asd
+utils.getOrigin = function(url) {
+    url += '/';
+    var parts = url.split('/').slice(0, 3);
+    return parts.join('/');
+};
+
+utils.isSameOriginUrl = function(url_a, url_b) {
+    // location.origin would do, but it's not always available.
+    if (!url_b) url_b = _window.location.href;
+
+    return (url_a.split('/').slice(0,3).join('/')
+                ===
+            url_b.split('/').slice(0,3).join('/'));
+};
+
+utils.getParentDomain = function(url) {
+    // ipv4 ip address
+    if (/^[0-9.]*$/.test(url)) return url;
+    // ipv6 ip address
+    if (/^\[/.test(url)) return url;
+    // no dots
+    if (!(/[.]/.test(url))) return url;
+
+    var parts = url.split('.').slice(1);
+    return parts.join('.');
+};
+
+utils.objectExtend = function(dst, src) {
+    for(var k in src) {
+        if (src.hasOwnProperty(k)) {
+            dst[k] = src[k];
+        }
+    }
+    return dst;
+};
+
+var WPrefix = '_jp';
+
+utils.polluteGlobalNamespace = function() {
+    if (!(WPrefix in _window)) {
+        _window[WPrefix] = {};
+    }
+};
+
+utils.closeFrame = function (code, reason) {
+    return 'c'+JSON.stringify([code, reason]);
+};
+
+utils.userSetCode = function (code) {
+    return code === 1000 || (code >= 3000 && code <= 4999);
+};
+
+// See: http://www.erg.abdn.ac.uk/~gerrit/dccp/notes/ccid2/rto_estimator/
+// and RFC 2988.
+utils.countRTO = function (rtt) {
+    var rto;
+    if (rtt > 100) {
+        rto = 3 * rtt; // rto > 300msec
+    } else {
+        rto = rtt + 200; // 200msec < rto <= 300msec
+    }
+    return rto;
+}
+
+utils.log = function() {
+    if (_window.console && console.log && console.log.apply) {
+        console.log.apply(console, arguments);
+    }
+};
+
+utils.bind = function(fun, that) {
+    if (fun.bind) {
+        return fun.bind(that);
+    } else {
+        return function() {
+            return fun.apply(that, arguments);
+        };
+    }
+};
+
+utils.flatUrl = function(url) {
+    return url.indexOf('?') === -1 && url.indexOf('#') === -1;
+};
+
+utils.amendUrl = function(url) {
+    var dl = _document.location;
+    if (!url) {
+        throw new Error('Wrong url for SockJS');
+    }
+    if (!utils.flatUrl(url)) {
+        throw new Error('Only basic urls are supported in SockJS');
+    }
+
+    //  '//abc' --> 'http://abc'
+    if (url.indexOf('//') === 0) {
+        url = dl.protocol + url;
+    }
+    // '/abc' --> 'http://localhost:80/abc'
+    if (url.indexOf('/') === 0) {
+        url = dl.protocol + '//' + dl.host + url;
+    }
+    // strip trailing slashes
+    url = url.replace(/[/]+$/,'');
+    return url;
+};
+
+// IE doesn't support [].indexOf.
+utils.arrIndexOf = function(arr, obj){
+    for(var i=0; i < arr.length; i++){
+        if(arr[i] === obj){
+            return i;
+        }
+    }
+    return -1;
+};
+
+utils.arrSkip = function(arr, obj) {
+    var idx = utils.arrIndexOf(arr, obj);
+    if (idx === -1) {
+        return arr.slice();
+    } else {
+        var dst = arr.slice(0, idx);
+        return dst.concat(arr.slice(idx+1));
+    }
+};
+
+// Via: https://gist.github.com/1133122/2121c601c5549155483f50be3da5305e83b8c5df
+utils.isArray = Array.isArray || function(value) {
+    return {}.toString.call(value).indexOf('Array') >= 0
+};
+
+utils.delay = function(t, fun) {
+    if(typeof t === 'function') {
+        fun = t;
+        t = 0;
+    }
+    return setTimeout(fun, t);
+};
+
+
+// Chars worth escaping, as defined by Douglas Crockford:
+//   https://github.com/douglascrockford/JSON-js/blob/47a9882cddeb1e8529e07af9736218075372b8ac/json2.js#L196
+var json_escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
+    json_lookup = {
+"\u0000":"\\u0000","\u0001":"\\u0001","\u0002":"\\u0002","\u0003":"\\u0003",
+"\u0004":"\\u0004","\u0005":"\\u0005","\u0006":"\\u0006","\u0007":"\\u0007",
+"\b":"\\b","\t":"\\t","\n":"\\n","\u000b":"\\u000b","\f":"\\f","\r":"\\r",
+"\u000e":"\\u000e","\u000f":"\\u000f","\u0010":"\\u0010","\u0011":"\\u0011",
+"\u0012":"\\u0012","\u0013":"\\u0013","\u0014":"\\u0014","\u0015":"\\u0015",
+"\u0016":"\\u0016","\u0017":"\\u0017","\u0018":"\\u0018","\u0019":"\\u0019",
+"\u001a":"\\u001a","\u001b":"\\u001b","\u001c":"\\u001c","\u001d":"\\u001d",
+"\u001e":"\\u001e","\u001f":"\\u001f","\"":"\\\"","\\":"\\\\",
+"\u007f":"\\u007f","\u0080":"\\u0080","\u0081":"\\u0081","\u0082":"\\u0082",
+"\u0083":"\\u0083","\u0084":"\\u0084","\u0085":"\\u0085","\u0086":"\\u0086",
+"\u0087":"\\u0087","\u0088":"\\u0088","\u0089":"\\u0089","\u008a":"\\u008a",
+"\u008b":"\\u008b","\u008c":"\\u008c","\u008d":"\\u008d","\u008e":"\\u008e",
+"\u008f":"\\u008f","\u0090":"\\u0090","\u0091":"\\u0091","\u0092":"\\u0092",
+"\u0093":"\\u0093","\u0094":"\\u0094","\u0095":"\\u0095","\u0096":"\\u0096",
+"\u0097":"\\u0097","\u0098":"\\u0098","\u0099":"\\u0099","\u009a":"\\u009a",
+"\u009b":"\\u009b","\u009c":"\\u009c","\u009d":"\\u009d","\u009e":"\\u009e",
+"\u009f":"\\u009f","\u00ad":"\\u00ad","\u0600":"\\u0600","\u0601":"\\u0601",
+"\u0602":"\\u0602","\u0603":"\\u0603","\u0604":"\\u0604","\u070f":"\\u070f",
+"\u17b4":"\\u17b4","\u17b5":"\\u17b5","\u200c":"\\u200c","\u200d":"\\u200d",
+"\u200e":"\\u200e","\u200f":"\\u200f","\u2028":"\\u2028","\u2029":"\\u2029",
+"\u202a":"\\u202a","\u202b":"\\u202b","\u202c":"\\u202c","\u202d":"\\u202d",
+"\u202e":"\\u202e","\u202f":"\\u202f","\u2060":"\\u2060","\u2061":"\\u2061",
+"\u2062":"\\u2062","\u2063":"\\u2063","\u2064":"\\u2064","\u2065":"\\u2065",
+"\u2066":"\\u2066","\u2067":"\\u2067","\u2068":"\\u2068","\u2069":"\\u2069",
+"\u206a":"\\u206a","\u206b":"\\u206b","\u206c":"\\u206c","\u206d":"\\u206d",
+"\u206e":"\\u206e","\u206f":"\\u206f","\ufeff":"\\ufeff","\ufff0":"\\ufff0",
+"\ufff1":"\\ufff1","\ufff2":"\\ufff2","\ufff3":"\\ufff3","\ufff4":"\\ufff4",
+"\ufff5":"\\ufff5","\ufff6":"\\ufff6","\ufff7":"\\ufff7","\ufff8":"\\ufff8",
+"\ufff9":"\\ufff9","\ufffa":"\\ufffa","\ufffb":"\\ufffb","\ufffc":"\\ufffc",
+"\ufffd":"\\ufffd","\ufffe":"\\ufffe","\uffff":"\\uffff"};
+
+// Some extra characters that Chrome gets wrong, and substitutes with
+// something else on the wire.
+var extra_escapable = /[\x00-\x1f\ud800-\udfff\ufffe\uffff\u0300-\u0333\u033d-\u0346\u034a-\u034c\u0350-\u0352\u0357-\u0358\u035c-\u0362\u0374\u037e\u0387\u0591-\u05af\u05c4\u0610-\u0617\u0653-\u0654\u0657-\u065b\u065d-\u065e\u06df-\u06e2\u06eb-\u06ec\u0730\u0732-\u0733\u0735-\u0736\u073a\u073d\u073f-\u0741\u0743\u0745\u0747\u07eb-\u07f1\u0951\u0958-\u095f\u09dc-\u09dd\u09df\u0a33\u0a36\u0a59-\u0a5b\u0a5e\u0b5c-\u0b5d\u0e38-\u0e39\u0f43\u0f4d\u0f52\u0f57\u0f5c\u0f69\u0f72-\u0f76\u0f78\u0 [...]
+    extra_lookup;
+
+// JSON Quote string. Use native implementation when possible.
+var JSONQuote = (JSON && JSON.stringify) || function(string) {
+    json_escapable.lastIndex = 0;
+    if (json_escapable.test(string)) {
+        string = string.replace(json_escapable, function(a) {
+            return json_lookup[a];
+        });
+    }
+    return '"' + string + '"';
+};
+
+// This may be quite slow, so let's delay until user actually uses bad
+// characters.
+var unroll_lookup = function(escapable) {
+    var i;
+    var unrolled = {}
+    var c = []
+    for(i=0; i<65536; i++) {
+        c.push( String.fromCharCode(i) );
+    }
+    escapable.lastIndex = 0;
+    c.join('').replace(escapable, function (a) {
+        unrolled[ a ] = '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
+        return '';
+    });
+    escapable.lastIndex = 0;
+    return unrolled;
+};
+
+// Quote string, also taking care of unicode characters that browsers
+// often break. Especially, take care of unicode surrogates:
+//    http://en.wikipedia.org/wiki/Mapping_of_Unicode_characters#Surrogates
+utils.quote = function(string) {
+    var quoted = JSONQuote(string);
+
+    // In most cases this should be very fast and good enough.
+    extra_escapable.lastIndex = 0;
+    if(!extra_escapable.test(quoted)) {
+        return quoted;
+    }
+
+    if(!extra_lookup) extra_lookup = unroll_lookup(extra_escapable);
+
+    return quoted.replace(extra_escapable, function(a) {
+        return extra_lookup[a];
+    });
+}
+
+var _all_protocols = ['websocket',
+                      'xdr-streaming',
+                      'xhr-streaming',
+                      'iframe-eventsource',
+                      'iframe-htmlfile',
+                      'xdr-polling',
+                      'xhr-polling',
+                      'iframe-xhr-polling',
+                      'jsonp-polling'];
+
+utils.probeProtocols = function() {
+    var probed = {};
+    for(var i=0; i<_all_protocols.length; i++) {
+        var protocol = _all_protocols[i];
+        // User can have a typo in protocol name.
+        probed[protocol] = SockJS[protocol] &&
+                           SockJS[protocol].enabled();
+    }
+    return probed;
+};
+
+utils.detectProtocols = function(probed, protocols_whitelist, info) {
+    var pe = {},
+        protocols = [];
+    if (!protocols_whitelist) protocols_whitelist = _all_protocols;
+    for(var i=0; i<protocols_whitelist.length; i++) {
+        var protocol = protocols_whitelist[i];
+        pe[protocol] = probed[protocol];
+    }
+    var maybe_push = function(protos) {
+        var proto = protos.shift();
+        if (pe[proto]) {
+            protocols.push(proto);
+        } else {
+            if (protos.length > 0) {
+                maybe_push(protos);
+            }
+        }
+    }
+
+    // 1. Websocket
+    if (info.websocket !== false) {
+        maybe_push(['websocket']);
+    }
+
+    // 2. Streaming
+    if (pe['xhr-streaming'] && !info.null_origin) {
+        protocols.push('xhr-streaming');
+    } else {
+        if (pe['xdr-streaming'] && !info.cookie_needed && !info.null_origin) {
+            protocols.push('xdr-streaming');
+        } else {
+            maybe_push(['iframe-eventsource',
+                        'iframe-htmlfile']);
+        }
+    }
+
+    // 3. Polling
+    if (pe['xhr-polling'] && !info.null_origin) {
+        protocols.push('xhr-polling');
+    } else {
+        if (pe['xdr-polling'] && !info.cookie_needed && !info.null_origin) {
+            protocols.push('xdr-polling');
+        } else {
+            maybe_push(['iframe-xhr-polling',
+                        'jsonp-polling']);
+        }
+    }
+    return protocols;
+}
+//         [*] End of lib/utils.js
+
+
+//         [*] Including lib/dom.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+// May be used by htmlfile jsonp and transports.
+var MPrefix = '_sockjs_global';
+utils.createHook = function() {
+    var window_id = 'a' + utils.random_string(8);
+    if (!(MPrefix in _window)) {
+        var map = {};
+        _window[MPrefix] = function(window_id) {
+            if (!(window_id in map)) {
+                map[window_id] = {
+                    id: window_id,
+                    del: function() {delete map[window_id];}
+                };
+            }
+            return map[window_id];
+        }
+    }
+    return _window[MPrefix](window_id);
+};
+
+
+
+utils.attachMessage = function(listener) {
+    utils.attachEvent('message', listener);
+};
+utils.attachEvent = function(event, listener) {
+    if (typeof _window.addEventListener !== 'undefined') {
+        _window.addEventListener(event, listener, false);
+    } else {
+        // IE quirks.
+        // According to: http://stevesouders.com/misc/test-postmessage.php
+        // the message gets delivered only to 'document', not 'window'.
+        _document.attachEvent("on" + event, listener);
+        // I get 'window' for ie8.
+        _window.attachEvent("on" + event, listener);
+    }
+};
+
+utils.detachMessage = function(listener) {
+    utils.detachEvent('message', listener);
+};
+utils.detachEvent = function(event, listener) {
+    if (typeof _window.addEventListener !== 'undefined') {
+        _window.removeEventListener(event, listener, false);
+    } else {
+        _document.detachEvent("on" + event, listener);
+        _window.detachEvent("on" + event, listener);
+    }
+};
+
+
+var on_unload = {};
+// Things registered after beforeunload are to be called immediately.
+var after_unload = false;
+
+var trigger_unload_callbacks = function() {
+    for(var ref in on_unload) {
+        on_unload[ref]();
+        delete on_unload[ref];
+    };
+};
+
+var unload_triggered = function() {
+    if(after_unload) return;
+    after_unload = true;
+    trigger_unload_callbacks();
+};
+
+// 'unload' alone is not reliable in opera within an iframe, but we
+// can't use `beforeunload` as IE fires it on javascript: links.
+utils.attachEvent('unload', unload_triggered);
+
+utils.unload_add = function(listener) {
+    var ref = utils.random_string(8);
+    on_unload[ref] = listener;
+    if (after_unload) {
+        utils.delay(trigger_unload_callbacks);
+    }
+    return ref;
+};
+utils.unload_del = function(ref) {
+    if (ref in on_unload)
+        delete on_unload[ref];
+};
+
+
+utils.createIframe = function (iframe_url, error_callback) {
+    var iframe = _document.createElement('iframe');
+    var tref, unload_ref;
+    var unattach = function() {
+        clearTimeout(tref);
+        // Explorer had problems with that.
+        try {iframe.onload = null;} catch (x) {}
+        iframe.onerror = null;
+    };
+    var cleanup = function() {
+        if (iframe) {
+            unattach();
+            // This timeout makes chrome fire onbeforeunload event
+            // within iframe. Without the timeout it goes straight to
+            // onunload.
+            setTimeout(function() {
+                if(iframe) {
+                    iframe.parentNode.removeChild(iframe);
+                }
+                iframe = null;
+            }, 0);
+            utils.unload_del(unload_ref);
+        }
+    };
+    var onerror = function(r) {
+        if (iframe) {
+            cleanup();
+            error_callback(r);
+        }
+    };
+    var post = function(msg, origin) {
+        try {
+            // When the iframe is not loaded, IE raises an exception
+            // on 'contentWindow'.
+            if (iframe && iframe.contentWindow) {
+                iframe.contentWindow.postMessage(msg, origin);
+            }
+        } catch (x) {};
+    };
+
+    iframe.src = iframe_url;
+    iframe.style.display = 'none';
+    iframe.style.position = 'absolute';
+    iframe.onerror = function(){onerror('onerror');};
+    iframe.onload = function() {
+        // `onload` is triggered before scripts on the iframe are
+        // executed. Give it few seconds to actually load stuff.
+        clearTimeout(tref);
+        tref = setTimeout(function(){onerror('onload timeout');}, 2000);
+    };
+    _document.body.appendChild(iframe);
+    tref = setTimeout(function(){onerror('timeout');}, 15000);
+    unload_ref = utils.unload_add(cleanup);
+    return {
+        post: post,
+        cleanup: cleanup,
+        loaded: unattach
+    };
+};
+
+utils.createHtmlfile = function (iframe_url, error_callback) {
+    var doc = new ActiveXObject('htmlfile');
+    var tref, unload_ref;
+    var iframe;
+    var unattach = function() {
+        clearTimeout(tref);
+    };
+    var cleanup = function() {
+        if (doc) {
+            unattach();
+            utils.unload_del(unload_ref);
+            iframe.parentNode.removeChild(iframe);
+            iframe = doc = null;
+            CollectGarbage();
+        }
+    };
+    var onerror = function(r)  {
+        if (doc) {
+            cleanup();
+            error_callback(r);
+        }
+    };
+    var post = function(msg, origin) {
+        try {
+            // When the iframe is not loaded, IE raises an exception
+            // on 'contentWindow'.
+            if (iframe && iframe.contentWindow) {
+                iframe.contentWindow.postMessage(msg, origin);
+            }
+        } catch (x) {};
+    };
+
+    doc.open();
+    doc.write('<html><s' + 'cript>' +
+              'document.domain="' + document.domain + '";' +
+              '</s' + 'cript></html>');
+    doc.close();
+    doc.parentWindow[WPrefix] = _window[WPrefix];
+    var c = doc.createElement('div');
+    doc.body.appendChild(c);
+    iframe = doc.createElement('iframe');
+    c.appendChild(iframe);
+    iframe.src = iframe_url;
+    tref = setTimeout(function(){onerror('timeout');}, 15000);
+    unload_ref = utils.unload_add(cleanup);
+    return {
+        post: post,
+        cleanup: cleanup,
+        loaded: unattach
+    };
+};
+//         [*] End of lib/dom.js
+
+
+//         [*] Including lib/dom2.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var AbstractXHRObject = function(){};
+AbstractXHRObject.prototype = new EventEmitter(['chunk', 'finish']);
+
+AbstractXHRObject.prototype._start = function(method, url, payload, opts) {
+    var that = this;
+
+    try {
+        that.xhr = new XMLHttpRequest();
+    } catch(x) {};
+
+    if (!that.xhr) {
+        try {
+            that.xhr = new _window.ActiveXObject('Microsoft.XMLHTTP');
+        } catch(x) {};
+    }
+    if (_window.ActiveXObject || _window.XDomainRequest) {
+        // IE8 caches even POSTs
+        url += ((url.indexOf('?') === -1) ? '?' : '&') + 't='+(+new Date);
+    }
+
+    // Explorer tends to keep connection open, even after the
+    // tab gets closed: http://bugs.jquery.com/ticket/5280
+    that.unload_ref = utils.unload_add(function(){that._cleanup(true);});
+    try {
+        that.xhr.open(method, url, true);
+    } catch(e) {
+        // IE raises an exception on wrong port.
+        that.emit('finish', 0, '');
+        that._cleanup();
+        return;
+    };
+
+    if (!opts || !opts.no_credentials) {
+        // Mozilla docs says https://developer.mozilla.org/en/XMLHttpRequest :
+        // "This never affects same-site requests."
+        that.xhr.withCredentials = 'true';
+    }
+    if (opts && opts.headers) {
+        for(var key in opts.headers) {
+            that.xhr.setRequestHeader(key, opts.headers[key]);
+        }
+    }
+
+    that.xhr.onreadystatechange = function() {
+        if (that.xhr) {
+            var x = that.xhr;
+            switch (x.readyState) {
+            case 3:
+                // IE doesn't like peeking into responseText or status
+                // on Microsoft.XMLHTTP and readystate=3
+                try {
+                    var status = x.status;
+                    var text = x.responseText;
+                } catch (x) {};
+                // IE returns 1223 for 204: http://bugs.jquery.com/ticket/1450
+                if (status === 1223) status = 204;
+
+                // IE does return readystate == 3 for 404 answers.
+                if (text && text.length > 0) {
+                    that.emit('chunk', status, text);
+                }
+                break;
+            case 4:
+                var status = x.status;
+                // IE returns 1223 for 204: http://bugs.jquery.com/ticket/1450
+                if (status === 1223) status = 204;
+
+                that.emit('finish', status, x.responseText);
+                that._cleanup(false);
+                break;
+            }
+        }
+    };
+    that.xhr.send(payload);
+};
+
+AbstractXHRObject.prototype._cleanup = function(abort) {
+    var that = this;
+    if (!that.xhr) return;
+    utils.unload_del(that.unload_ref);
+
+    // IE needs this field to be a function
+    that.xhr.onreadystatechange = function(){};
+
+    if (abort) {
+        try {
+            that.xhr.abort();
+        } catch(x) {};
+    }
+    that.unload_ref = that.xhr = null;
+};
+
+AbstractXHRObject.prototype.close = function() {
+    var that = this;
+    that.nuke();
+    that._cleanup(true);
+};
+
+var XHRCorsObject = utils.XHRCorsObject = function() {
+    var that = this, args = arguments;
+    utils.delay(function(){that._start.apply(that, args);});
+};
+XHRCorsObject.prototype = new AbstractXHRObject();
+
+var XHRLocalObject = utils.XHRLocalObject = function(method, url, payload) {
+    var that = this;
+    utils.delay(function(){
+        that._start(method, url, payload, {
+            no_credentials: true
+        });
+    });
+};
+XHRLocalObject.prototype = new AbstractXHRObject();
+
+
+
+// References:
+//   http://ajaxian.com/archives/100-line-ajax-wrapper
+//   http://msdn.microsoft.com/en-us/library/cc288060(v=VS.85).aspx
+var XDRObject = utils.XDRObject = function(method, url, payload) {
+    var that = this;
+    utils.delay(function(){that._start(method, url, payload);});
+};
+XDRObject.prototype = new EventEmitter(['chunk', 'finish']);
+XDRObject.prototype._start = function(method, url, payload) {
+    var that = this;
+    var xdr = new XDomainRequest();
+    // IE caches even POSTs
+    url += ((url.indexOf('?') === -1) ? '?' : '&') + 't='+(+new Date);
+
+    var onerror = xdr.ontimeout = xdr.onerror = function() {
+        that.emit('finish', 0, '');
+        that._cleanup(false);
+    };
+    xdr.onprogress = function() {
+        that.emit('chunk', 200, xdr.responseText);
+    };
+    xdr.onload = function() {
+        that.emit('finish', 200, xdr.responseText);
+        that._cleanup(false);
+    };
+    that.xdr = xdr;
+    that.unload_ref = utils.unload_add(function(){that._cleanup(true);});
+    try {
+        // Fails with AccessDenied if port number is bogus
+        that.xdr.open(method, url);
+        that.xdr.send(payload);
+    } catch(x) {
+        onerror();
+    }
+};
+
+XDRObject.prototype._cleanup = function(abort) {
+    var that = this;
+    if (!that.xdr) return;
+    utils.unload_del(that.unload_ref);
+
+    that.xdr.ontimeout = that.xdr.onerror = that.xdr.onprogress =
+        that.xdr.onload = null;
+    if (abort) {
+        try {
+            that.xdr.abort();
+        } catch(x) {};
+    }
+    that.unload_ref = that.xdr = null;
+};
+
+XDRObject.prototype.close = function() {
+    var that = this;
+    that.nuke();
+    that._cleanup(true);
+};
+
+// 1. Is natively via XHR
+// 2. Is natively via XDR
+// 3. Nope, but postMessage is there so it should work via the Iframe.
+// 4. Nope, sorry.
+utils.isXHRCorsCapable = function() {
+    if (_window.XMLHttpRequest && 'withCredentials' in new XMLHttpRequest()) {
+        return 1;
+    }
+    // XDomainRequest doesn't work if page is served from file://
+    if (_window.XDomainRequest && _document.domain) {
+        return 2;
+    }
+    if (IframeTransport.enabled()) {
+        return 3;
+    }
+    return 4;
+};
+//         [*] End of lib/dom2.js
+
+
+//         [*] Including lib/sockjs.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var SockJS = function(url, dep_protocols_whitelist, options) {
+    if (this === _window) {
+        // makes `new` optional
+        return new SockJS(url, dep_protocols_whitelist, options);
+    }
+    
+    var that = this, protocols_whitelist;
+    that._options = {devel: false, debug: false, protocols_whitelist: [],
+                     info: undefined, rtt: undefined};
+    if (options) {
+        utils.objectExtend(that._options, options);
+    }
+    that._base_url = utils.amendUrl(url);
+    that._server = that._options.server || utils.random_number_string(1000);
+    if (that._options.protocols_whitelist &&
+        that._options.protocols_whitelist.length) {
+        protocols_whitelist = that._options.protocols_whitelist;
+    } else {
+        // Deprecated API
+        if (typeof dep_protocols_whitelist === 'string' &&
+            dep_protocols_whitelist.length > 0) {
+            protocols_whitelist = [dep_protocols_whitelist];
+        } else if (utils.isArray(dep_protocols_whitelist)) {
+            protocols_whitelist = dep_protocols_whitelist
+        } else {
+            protocols_whitelist = null;
+        }
+        if (protocols_whitelist) {
+            that._debug('Deprecated API: Use "protocols_whitelist" option ' +
+                        'instead of supplying protocol list as a second ' +
+                        'parameter to SockJS constructor.');
+        }
+    }
+    that._protocols = [];
+    that.protocol = null;
+    that.readyState = SockJS.CONNECTING;
+    that._ir = createInfoReceiver(that._base_url);
+    that._ir.onfinish = function(info, rtt) {
+        that._ir = null;
+        if (info) {
+            if (that._options.info) {
+                // Override if user supplies the option
+                info = utils.objectExtend(info, that._options.info);
+            }
+            if (that._options.rtt) {
+                rtt = that._options.rtt;
+            }
+            that._applyInfo(info, rtt, protocols_whitelist);
+            that._didClose();
+        } else {
+            that._didClose(1002, 'Can\'t connect to server', true);
+        }
+    };
+};
+// Inheritance
+SockJS.prototype = new REventTarget();
+
+SockJS.version = "0.3.4";
+
+SockJS.CONNECTING = 0;
+SockJS.OPEN = 1;
+SockJS.CLOSING = 2;
+SockJS.CLOSED = 3;
+
+SockJS.prototype._debug = function() {
+    if (this._options.debug)
+        utils.log.apply(utils, arguments);
+};
+
+SockJS.prototype._dispatchOpen = function() {
+    var that = this;
+    if (that.readyState === SockJS.CONNECTING) {
+        if (that._transport_tref) {
+            clearTimeout(that._transport_tref);
+            that._transport_tref = null;
+        }
+        that.readyState = SockJS.OPEN;
+        that.dispatchEvent(new SimpleEvent("open"));
+    } else {
+        // The server might have been restarted, and lost track of our
+        // connection.
+        that._didClose(1006, "Server lost session");
+    }
+};
+
+SockJS.prototype._dispatchMessage = function(data) {
+    var that = this;
+    if (that.readyState !== SockJS.OPEN)
+            return;
+    that.dispatchEvent(new SimpleEvent("message", {data: data}));
+};
+
+SockJS.prototype._dispatchHeartbeat = function(data) {
+    var that = this;
+    if (that.readyState !== SockJS.OPEN)
+        return;
+    that.dispatchEvent(new SimpleEvent('heartbeat', {}));
+};
+
+SockJS.prototype._didClose = function(code, reason, force) {
+    var that = this;
+    if (that.readyState !== SockJS.CONNECTING &&
+        that.readyState !== SockJS.OPEN &&
+        that.readyState !== SockJS.CLOSING)
+            throw new Error('INVALID_STATE_ERR');
+    if (that._ir) {
+        that._ir.nuke();
+        that._ir = null;
+    }
+
+    if (that._transport) {
+        that._transport.doCleanup();
+        that._transport = null;
+    }
+
+    var close_event = new SimpleEvent("close", {
+        code: code,
+        reason: reason,
+        wasClean: utils.userSetCode(code)});
+
+    if (!utils.userSetCode(code) &&
+        that.readyState === SockJS.CONNECTING && !force) {
+        if (that._try_next_protocol(close_event)) {
+            return;
+        }
+        close_event = new SimpleEvent("close", {code: 2000,
+                                                reason: "All transports failed",
+                                                wasClean: false,
+                                                last_event: close_event});
+    }
+    that.readyState = SockJS.CLOSED;
+
+    utils.delay(function() {
+                   that.dispatchEvent(close_event);
+                });
+};
+
+SockJS.prototype._didMessage = function(data) {
+    var that = this;
+    var type = data.slice(0, 1);
+    switch(type) {
+    case 'o':
+        that._dispatchOpen();
+        break;
+    case 'a':
+        var payload = JSON.parse(data.slice(1) || '[]');
+        for(var i=0; i < payload.length; i++){
+            that._dispatchMessage(payload[i]);
+        }
+        break;
+    case 'm':
+        var payload = JSON.parse(data.slice(1) || 'null');
+        that._dispatchMessage(payload);
+        break;
+    case 'c':
+        var payload = JSON.parse(data.slice(1) || '[]');
+        that._didClose(payload[0], payload[1]);
+        break;
+    case 'h':
+        that._dispatchHeartbeat();
+        break;
+    }
+};
+
+SockJS.prototype._try_next_protocol = function(close_event) {
+    var that = this;
+    if (that.protocol) {
+        that._debug('Closed transport:', that.protocol, ''+close_event);
+        that.protocol = null;
+    }
+    if (that._transport_tref) {
+        clearTimeout(that._transport_tref);
+        that._transport_tref = null;
+    }
+
+    while(1) {
+        var protocol = that.protocol = that._protocols.shift();
+        if (!protocol) {
+            return false;
+        }
+        // Some protocols require access to `body`, what if were in
+        // the `head`?
+        if (SockJS[protocol] &&
+            SockJS[protocol].need_body === true &&
+            (!_document.body ||
+             (typeof _document.readyState !== 'undefined'
+              && _document.readyState !== 'complete'))) {
+            that._protocols.unshift(protocol);
+            that.protocol = 'waiting-for-load';
+            utils.attachEvent('load', function(){
+                that._try_next_protocol();
+            });
+            return true;
+        }
+
+        if (!SockJS[protocol] ||
+              !SockJS[protocol].enabled(that._options)) {
+            that._debug('Skipping transport:', protocol);
+        } else {
+            var roundTrips = SockJS[protocol].roundTrips || 1;
+            var to = ((that._options.rto || 0) * roundTrips) || 5000;
+            that._transport_tref = utils.delay(to, function() {
+                if (that.readyState === SockJS.CONNECTING) {
+                    // I can't understand how it is possible to run
+                    // this timer, when the state is CLOSED, but
+                    // apparently in IE everythin is possible.
+                    that._didClose(2007, "Transport timeouted");
+                }
+            });
+
+            var connid = utils.random_string(8);
+            var trans_url = that._base_url + '/' + that._server + '/' + connid;
+            that._debug('Opening transport:', protocol, ' url:'+trans_url,
+                        ' RTO:'+that._options.rto);
+            that._transport = new SockJS[protocol](that, trans_url,
+                                                   that._base_url);
+            return true;
+        }
+    }
+};
+
+SockJS.prototype.close = function(code, reason) {
+    var that = this;
+    if (code && !utils.userSetCode(code))
+        throw new Error("INVALID_ACCESS_ERR");
+    if(that.readyState !== SockJS.CONNECTING &&
+       that.readyState !== SockJS.OPEN) {
+        return false;
+    }
+    that.readyState = SockJS.CLOSING;
+    that._didClose(code || 1000, reason || "Normal closure");
+    return true;
+};
+
+SockJS.prototype.send = function(data) {
+    var that = this;
+    if (that.readyState === SockJS.CONNECTING)
+        throw new Error('INVALID_STATE_ERR');
+    if (that.readyState === SockJS.OPEN) {
+        that._transport.doSend(utils.quote('' + data));
+    }
+    return true;
+};
+
+SockJS.prototype._applyInfo = function(info, rtt, protocols_whitelist) {
+    var that = this;
+    that._options.info = info;
+    that._options.rtt = rtt;
+    that._options.rto = utils.countRTO(rtt);
+    that._options.info.null_origin = !_document.domain;
+    var probed = utils.probeProtocols();
+    that._protocols = utils.detectProtocols(probed, protocols_whitelist, info);
+};
+//         [*] End of lib/sockjs.js
+
+
+//         [*] Including lib/trans-websocket.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var WebSocketTransport = SockJS.websocket = function(ri, trans_url) {
+    var that = this;
+    var url = trans_url + '/websocket';
+    if (url.slice(0, 5) === 'https') {
+        url = 'wss' + url.slice(5);
+    } else {
+        url = 'ws' + url.slice(4);
+    }
+    that.ri = ri;
+    that.url = url;
+    var Constructor = _window.WebSocket || _window.MozWebSocket;
+
+    that.ws = new Constructor(that.url);
+    that.ws.onmessage = function(e) {
+        that.ri._didMessage(e.data);
+    };
+    // Firefox has an interesting bug. If a websocket connection is
+    // created after onunload, it stays alive even when user
+    // navigates away from the page. In such situation let's lie -
+    // let's not open the ws connection at all. See:
+    // https://github.com/sockjs/sockjs-client/issues/28
+    // https://bugzilla.mozilla.org/show_bug.cgi?id=696085
+    that.unload_ref = utils.unload_add(function(){that.ws.close()});
+    that.ws.onclose = function() {
+        that.ri._didMessage(utils.closeFrame(1006, "WebSocket connection broken"));
+    };
+};
+
+WebSocketTransport.prototype.doSend = function(data) {
+    this.ws.send('[' + data + ']');
+};
+
+WebSocketTransport.prototype.doCleanup = function() {
+    var that = this;
+    var ws = that.ws;
+    if (ws) {
+        ws.onmessage = ws.onclose = null;
+        ws.close();
+        utils.unload_del(that.unload_ref);
+        that.unload_ref = that.ri = that.ws = null;
+    }
+};
+
+WebSocketTransport.enabled = function() {
+    return !!(_window.WebSocket || _window.MozWebSocket);
+};
+
+// In theory, ws should require 1 round trip. But in chrome, this is
+// not very stable over SSL. Most likely a ws connection requires a
+// separate SSL connection, in which case 2 round trips are an
+// absolute minumum.
+WebSocketTransport.roundTrips = 2;
+//         [*] End of lib/trans-websocket.js
+
+
+//         [*] Including lib/trans-sender.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var BufferedSender = function() {};
+BufferedSender.prototype.send_constructor = function(sender) {
+    var that = this;
+    that.send_buffer = [];
+    that.sender = sender;
+};
+BufferedSender.prototype.doSend = function(message) {
+    var that = this;
+    that.send_buffer.push(message);
+    if (!that.send_stop) {
+        that.send_schedule();
+    }
+};
+
+// For polling transports in a situation when in the message callback,
+// new message is being send. If the sending connection was started
+// before receiving one, it is possible to saturate the network and
+// timeout due to the lack of receiving socket. To avoid that we delay
+// sending messages by some small time, in order to let receiving
+// connection be started beforehand. This is only a halfmeasure and
+// does not fix the big problem, but it does make the tests go more
+// stable on slow networks.
+BufferedSender.prototype.send_schedule_wait = function() {
+    var that = this;
+    var tref;
+    that.send_stop = function() {
+        that.send_stop = null;
+        clearTimeout(tref);
+    };
+    tref = utils.delay(25, function() {
+        that.send_stop = null;
+        that.send_schedule();
+    });
+};
+
+BufferedSender.prototype.send_schedule = function() {
+    var that = this;
+    if (that.send_buffer.length > 0) {
+        var payload = '[' + that.send_buffer.join(',') + ']';
+        that.send_stop = that.sender(that.trans_url, payload, function(success, abort_reason) {
+            that.send_stop = null;
+            if (success === false) {
+                that.ri._didClose(1006, 'Sending error ' + abort_reason);
+            } else {
+                that.send_schedule_wait();
+            }
+        });
+        that.send_buffer = [];
+    }
+};
+
+BufferedSender.prototype.send_destructor = function() {
+    var that = this;
+    if (that._send_stop) {
+        that._send_stop();
+    }
+    that._send_stop = null;
+};
+
+var jsonPGenericSender = function(url, payload, callback) {
+    var that = this;
+
+    if (!('_send_form' in that)) {
+        var form = that._send_form = _document.createElement('form');
+        var area = that._send_area = _document.createElement('textarea');
+        area.name = 'd';
+        form.style.display = 'none';
+        form.style.position = 'absolute';
+        form.method = 'POST';
+        form.enctype = 'application/x-www-form-urlencoded';
+        form.acceptCharset = "UTF-8";
+        form.appendChild(area);
+        _document.body.appendChild(form);
+    }
+    var form = that._send_form;
+    var area = that._send_area;
+    var id = 'a' + utils.random_string(8);
+    form.target = id;
+    form.action = url + '/jsonp_send?i=' + id;
+
+    var iframe;
+    try {
+        // ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
+        iframe = _document.createElement('<iframe name="'+ id +'">');
+    } catch(x) {
+        iframe = _document.createElement('iframe');
+        iframe.name = id;
+    }
+    iframe.id = id;
+    form.appendChild(iframe);
+    iframe.style.display = 'none';
+
+    try {
+        area.value = payload;
+    } catch(e) {
+        utils.log('Your browser is seriously broken. Go home! ' + e.message);
+    }
+    form.submit();
+
+    var completed = function(e) {
+        if (!iframe.onerror) return;
+        iframe.onreadystatechange = iframe.onerror = iframe.onload = null;
+        // Opera mini doesn't like if we GC iframe
+        // immediately, thus this timeout.
+        utils.delay(500, function() {
+                       iframe.parentNode.removeChild(iframe);
+                       iframe = null;
+                   });
+        area.value = '';
+        // It is not possible to detect if the iframe succeeded or
+        // failed to submit our form.
+        callback(true);
+    };
+    iframe.onerror = iframe.onload = completed;
+    iframe.onreadystatechange = function(e) {
+        if (iframe.readyState == 'complete') completed();
+    };
+    return completed;
+};
+
+var createAjaxSender = function(AjaxObject) {
+    return function(url, payload, callback) {
+        var xo = new AjaxObject('POST', url + '/xhr_send', payload);
+        xo.onfinish = function(status, text) {
+            callback(status === 200 || status === 204,
+                     'http status ' + status);
+        };
+        return function(abort_reason) {
+            callback(false, abort_reason);
+        };
+    };
+};
+//         [*] End of lib/trans-sender.js
+
+
+//         [*] Including lib/trans-jsonp-receiver.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+// Parts derived from Socket.io:
+//    https://github.com/LearnBoost/socket.io/blob/0.6.17/lib/socket.io/transports/jsonp-polling.js
+// and jQuery-JSONP:
+//    https://code.google.com/p/jquery-jsonp/source/browse/trunk/core/jquery.jsonp.js
+var jsonPGenericReceiver = function(url, callback) {
+    var tref;
+    var script = _document.createElement('script');
+    var script2;  // Opera synchronous load trick.
+    var close_script = function(frame) {
+        if (script2) {
+            script2.parentNode.removeChild(script2);
+            script2 = null;
+        }
+        if (script) {
+            clearTimeout(tref);
+            // Unfortunately, you can't really abort script loading of
+            // the script.
+            script.parentNode.removeChild(script);
+            script.onreadystatechange = script.onerror =
+                script.onload = script.onclick = null;
+            script = null;
+            callback(frame);
+            callback = null;
+        }
+    };
+
+    // IE9 fires 'error' event after orsc or before, in random order.
+    var loaded_okay = false;
+    var error_timer = null;
+
+    script.id = 'a' + utils.random_string(8);
+    script.src = url;
+    script.type = 'text/javascript';
+    script.charset = 'UTF-8';
+    script.onerror = function(e) {
+        if (!error_timer) {
+            // Delay firing close_script.
+            error_timer = setTimeout(function() {
+                if (!loaded_okay) {
+                    close_script(utils.closeFrame(
+                        1006,
+                        "JSONP script loaded abnormally (onerror)"));
+                }
+            }, 1000);
+        }
+    };
+    script.onload = function(e) {
+        close_script(utils.closeFrame(1006, "JSONP script loaded abnormally (onload)"));
+    };
+
+    script.onreadystatechange = function(e) {
+        if (/loaded|closed/.test(script.readyState)) {
+            if (script && script.htmlFor && script.onclick) {
+                loaded_okay = true;
+                try {
+                    // In IE, actually execute the script.
+                    script.onclick();
+                } catch (x) {}
+            }
+            if (script) {
+                close_script(utils.closeFrame(1006, "JSONP script loaded abnormally (onreadystatechange)"));
+            }
+        }
+    };
+    // IE: event/htmlFor/onclick trick.
+    // One can't rely on proper order for onreadystatechange. In order to
+    // make sure, set a 'htmlFor' and 'event' properties, so that
+    // script code will be installed as 'onclick' handler for the
+    // script object. Later, onreadystatechange, manually execute this
+    // code. FF and Chrome doesn't work with 'event' and 'htmlFor'
+    // set. For reference see:
+    //   http://jaubourg.net/2010/07/loading-script-as-onclick-handler-of.html
+    // Also, read on that about script ordering:
+    //   http://wiki.whatwg.org/wiki/Dynamic_Script_Execution_Order
+    if (typeof script.async === 'undefined' && _document.attachEvent) {
+        // According to mozilla docs, in recent browsers script.async defaults
+        // to 'true', so we may use it to detect a good browser:
+        // https://developer.mozilla.org/en/HTML/Element/script
+        if (!/opera/i.test(navigator.userAgent)) {
+            // Naively assume we're in IE
+            try {
+                script.htmlFor = script.id;
+                script.event = "onclick";
+            } catch (x) {}
+            script.async = true;
+        } else {
+            // Opera, second sync script hack
+            script2 = _document.createElement('script');
+            script2.text = "try{var a = document.getElementById('"+script.id+"'); if(a)a.onerror();}catch(x){};";
+            script.async = script2.async = false;
+        }
+    }
+    if (typeof script.async !== 'undefined') {
+        script.async = true;
+    }
+
+    // Fallback mostly for Konqueror - stupid timer, 35 seconds shall be plenty.
+    tref = setTimeout(function() {
+                          close_script(utils.closeFrame(1006, "JSONP script loaded abnormally (timeout)"));
+                      }, 35000);
+
+    var head = _document.getElementsByTagName('head')[0];
+    head.insertBefore(script, head.firstChild);
+    if (script2) {
+        head.insertBefore(script2, head.firstChild);
+    }
+    return close_script;
+};
+//         [*] End of lib/trans-jsonp-receiver.js
+
+
+//         [*] Including lib/trans-jsonp-polling.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+// The simplest and most robust transport, using the well-know cross
+// domain hack - JSONP. This transport is quite inefficient - one
+// mssage could use up to one http request. But at least it works almost
+// everywhere.
+// Known limitations:
+//   o you will get a spinning cursor
+//   o for Konqueror a dumb timer is needed to detect errors
+
+
+var JsonPTransport = SockJS['jsonp-polling'] = function(ri, trans_url) {
+    utils.polluteGlobalNamespace();
+    var that = this;
+    that.ri = ri;
+    that.trans_url = trans_url;
+    that.send_constructor(jsonPGenericSender);
+    that._schedule_recv();
+};
+
+// Inheritnace
+JsonPTransport.prototype = new BufferedSender();
+
+JsonPTransport.prototype._schedule_recv = function() {
+    var that = this;
+    var callback = function(data) {
+        that._recv_stop = null;
+        if (data) {
+            // no data - heartbeat;
+            if (!that._is_closing) {
+                that.ri._didMessage(data);
+            }
+        }
+        // The message can be a close message, and change is_closing state.
+        if (!that._is_closing) {
+            that._schedule_recv();
+        }
+    };
+    that._recv_stop = jsonPReceiverWrapper(that.trans_url + '/jsonp',
+                                           jsonPGenericReceiver, callback);
+};
+
+JsonPTransport.enabled = function() {
+    return true;
+};
+
+JsonPTransport.need_body = true;
+
+
+JsonPTransport.prototype.doCleanup = function() {
+    var that = this;
+    that._is_closing = true;
+    if (that._recv_stop) {
+        that._recv_stop();
+    }
+    that.ri = that._recv_stop = null;
+    that.send_destructor();
+};
+
+
+// Abstract away code that handles global namespace pollution.
+var jsonPReceiverWrapper = function(url, constructReceiver, user_callback) {
+    var id = 'a' + utils.random_string(6);
+    var url_id = url + '?c=' + escape(WPrefix + '.' + id);
+
+    // Unfortunately it is not possible to abort loading of the
+    // script. We need to keep track of frake close frames.
+    var aborting = 0;
+
+    // Callback will be called exactly once.
+    var callback = function(frame) {
+        switch(aborting) {
+        case 0:
+            // Normal behaviour - delete hook _and_ emit message.
+            delete _window[WPrefix][id];
+            user_callback(frame);
+            break;
+        case 1:
+            // Fake close frame - emit but don't delete hook.
+            user_callback(frame);
+            aborting = 2;
+            break;
+        case 2:
+            // Got frame after connection was closed, delete hook, don't emit.
+            delete _window[WPrefix][id];
+            break;
+        }
+    };
+
+    var close_script = constructReceiver(url_id, callback);
+    _window[WPrefix][id] = close_script;
+    var stop = function() {
+        if (_window[WPrefix][id]) {
+            aborting = 1;
+            _window[WPrefix][id](utils.closeFrame(1000, "JSONP user aborted read"));
+        }
+    };
+    return stop;
+};
+//         [*] End of lib/trans-jsonp-polling.js
+
+
+//         [*] Including lib/trans-xhr.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var AjaxBasedTransport = function() {};
+AjaxBasedTransport.prototype = new BufferedSender();
+
+AjaxBasedTransport.prototype.run = function(ri, trans_url,
+                                            url_suffix, Receiver, AjaxObject) {
+    var that = this;
+    that.ri = ri;
+    that.trans_url = trans_url;
+    that.send_constructor(createAjaxSender(AjaxObject));
+    that.poll = new Polling(ri, Receiver,
+                            trans_url + url_suffix, AjaxObject);
+};
+
+AjaxBasedTransport.prototype.doCleanup = function() {
+    var that = this;
+    if (that.poll) {
+        that.poll.abort();
+        that.poll = null;
+    }
+};
+
+// xhr-streaming
+var XhrStreamingTransport = SockJS['xhr-streaming'] = function(ri, trans_url) {
+    this.run(ri, trans_url, '/xhr_streaming', XhrReceiver, utils.XHRCorsObject);
+};
+
+XhrStreamingTransport.prototype = new AjaxBasedTransport();
+
+XhrStreamingTransport.enabled = function() {
+    // Support for CORS Ajax aka Ajax2? Opera 12 claims CORS but
+    // doesn't do streaming.
+    return (_window.XMLHttpRequest &&
+            'withCredentials' in new XMLHttpRequest() &&
+            (!/opera/i.test(navigator.userAgent)));
+};
+XhrStreamingTransport.roundTrips = 2; // preflight, ajax
+
+// Safari gets confused when a streaming ajax request is started
+// before onload. This causes the load indicator to spin indefinetely.
+XhrStreamingTransport.need_body = true;
+
+
+// According to:
+//   http://stackoverflow.com/questions/1641507/detect-browser-support-for-cross-domain-xmlhttprequests
+//   http://hacks.mozilla.org/2009/07/cross-site-xmlhttprequest-with-cors/
+
+
+// xdr-streaming
+var XdrStreamingTransport = SockJS['xdr-streaming'] = function(ri, trans_url) {
+    this.run(ri, trans_url, '/xhr_streaming', XhrReceiver, utils.XDRObject);
+};
+
+XdrStreamingTransport.prototype = new AjaxBasedTransport();
+
+XdrStreamingTransport.enabled = function() {
+    return !!_window.XDomainRequest;
+};
+XdrStreamingTransport.roundTrips = 2; // preflight, ajax
+
+
+
+// xhr-polling
+var XhrPollingTransport = SockJS['xhr-polling'] = function(ri, trans_url) {
+    this.run(ri, trans_url, '/xhr', XhrReceiver, utils.XHRCorsObject);
+};
+
+XhrPollingTransport.prototype = new AjaxBasedTransport();
+
+XhrPollingTransport.enabled = XhrStreamingTransport.enabled;
+XhrPollingTransport.roundTrips = 2; // preflight, ajax
+
+
+// xdr-polling
+var XdrPollingTransport = SockJS['xdr-polling'] = function(ri, trans_url) {
+    this.run(ri, trans_url, '/xhr', XhrReceiver, utils.XDRObject);
+};
+
+XdrPollingTransport.prototype = new AjaxBasedTransport();
+
+XdrPollingTransport.enabled = XdrStreamingTransport.enabled;
+XdrPollingTransport.roundTrips = 2; // preflight, ajax
+//         [*] End of lib/trans-xhr.js
+
+
+//         [*] Including lib/trans-iframe.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+// Few cool transports do work only for same-origin. In order to make
+// them working cross-domain we shall use iframe, served form the
+// remote domain. New browsers, have capabilities to communicate with
+// cross domain iframe, using postMessage(). In IE it was implemented
+// from IE 8+, but of course, IE got some details wrong:
+//    http://msdn.microsoft.com/en-us/library/cc197015(v=VS.85).aspx
+//    http://stevesouders.com/misc/test-postmessage.php
+
+var IframeTransport = function() {};
+
+IframeTransport.prototype.i_constructor = function(ri, trans_url, base_url) {
+    var that = this;
+    that.ri = ri;
+    that.origin = utils.getOrigin(base_url);
+    that.base_url = base_url;
+    that.trans_url = trans_url;
+
+    var iframe_url = base_url + '/iframe.html';
+    if (that.ri._options.devel) {
+        iframe_url += '?t=' + (+new Date);
+    }
+    that.window_id = utils.random_string(8);
+    iframe_url += '#' + that.window_id;
+
+    that.iframeObj = utils.createIframe(iframe_url, function(r) {
+                                            that.ri._didClose(1006, "Unable to load an iframe (" + r + ")");
+                                        });
+
+    that.onmessage_cb = utils.bind(that.onmessage, that);
+    utils.attachMessage(that.onmessage_cb);
+};
+
+IframeTransport.prototype.doCleanup = function() {
+    var that = this;
+    if (that.iframeObj) {
+        utils.detachMessage(that.onmessage_cb);
+        try {
+            // When the iframe is not loaded, IE raises an exception
+            // on 'contentWindow'.
+            if (that.iframeObj.iframe.contentWindow) {
+                that.postMessage('c');
+            }
+        } catch (x) {}
+        that.iframeObj.cleanup();
+        that.iframeObj = null;
+        that.onmessage_cb = that.iframeObj = null;
+    }
+};
+
+IframeTransport.prototype.onmessage = function(e) {
+    var that = this;
+    if (e.origin !== that.origin) return;
+    var window_id = e.data.slice(0, 8);
+    var type = e.data.slice(8, 9);
+    var data = e.data.slice(9);
+
+    if (window_id !== that.window_id) return;
+
+    switch(type) {
+    case 's':
+        that.iframeObj.loaded();
+        that.postMessage('s', JSON.stringify([SockJS.version, that.protocol, that.trans_url, that.base_url]));
+        break;
+    case 't':
+        that.ri._didMessage(data);
+        break;
+    }
+};
+
+IframeTransport.prototype.postMessage = function(type, data) {
+    var that = this;
+    that.iframeObj.post(that.window_id + type + (data || ''), that.origin);
+};
+
+IframeTransport.prototype.doSend = function (message) {
+    this.postMessage('m', message);
+};
+
+IframeTransport.enabled = function() {
+    // postMessage misbehaves in konqueror 4.6.5 - the messages are delivered with
+    // huge delay, or not at all.
+    var konqueror = navigator && navigator.userAgent && navigator.userAgent.indexOf('Konqueror') !== -1;
+    return ((typeof _window.postMessage === 'function' ||
+            typeof _window.postMessage === 'object') && (!konqueror));
+};
+//         [*] End of lib/trans-iframe.js
+
+
+//         [*] Including lib/trans-iframe-within.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var curr_window_id;
+
+var postMessage = function (type, data) {
+    if(parent !== _window) {
+        parent.postMessage(curr_window_id + type + (data || ''), '*');
+    } else {
+        utils.log("Can't postMessage, no parent window.", type, data);
+    }
+};
+
+var FacadeJS = function() {};
+FacadeJS.prototype._didClose = function (code, reason) {
+    postMessage('t', utils.closeFrame(code, reason));
+};
+FacadeJS.prototype._didMessage = function (frame) {
+    postMessage('t', frame);
+};
+FacadeJS.prototype._doSend = function (data) {
+    this._transport.doSend(data);
+};
+FacadeJS.prototype._doCleanup = function () {
+    this._transport.doCleanup();
+};
+
+utils.parent_origin = undefined;
+
+SockJS.bootstrap_iframe = function() {
+    var facade;
+    curr_window_id = _document.location.hash.slice(1);
+    var onMessage = function(e) {
+        if(e.source !== parent) return;
+        if(typeof utils.parent_origin === 'undefined')
+            utils.parent_origin = e.origin;
+        if (e.origin !== utils.parent_origin) return;
+
+        var window_id = e.data.slice(0, 8);
+        var type = e.data.slice(8, 9);
+        var data = e.data.slice(9);
+        if (window_id !== curr_window_id) return;
+        switch(type) {
+        case 's':
+            var p = JSON.parse(data);
+            var version = p[0];
+            var protocol = p[1];
+            var trans_url = p[2];
+            var base_url = p[3];
+            if (version !== SockJS.version) {
+                utils.log("Incompatibile SockJS! Main site uses:" +
+                          " \"" + version + "\", the iframe:" +
+                          " \"" + SockJS.version + "\".");
+            }
+            if (!utils.flatUrl(trans_url) || !utils.flatUrl(base_url)) {
+                utils.log("Only basic urls are supported in SockJS");
+                return;
+            }
+
+            if (!utils.isSameOriginUrl(trans_url) ||
+                !utils.isSameOriginUrl(base_url)) {
+                utils.log("Can't connect to different domain from within an " +
+                          "iframe. (" + JSON.stringify([_window.location.href, trans_url, base_url]) +
+                          ")");
+                return;
+            }
+            facade = new FacadeJS();
+            facade._transport = new FacadeJS[protocol](facade, trans_url, base_url);
+            break;
+        case 'm':
+            facade._doSend(data);
+            break;
+        case 'c':
+            if (facade)
+                facade._doCleanup();
+            facade = null;
+            break;
+        }
+    };
+
+    // alert('test ticker');
+    // facade = new FacadeJS();
+    // facade._transport = new FacadeJS['w-iframe-xhr-polling'](facade, 'http://host.com:9999/ticker/12/basd');
+
+    utils.attachMessage(onMessage);
+
+    // Start
+    postMessage('s');
+};
+//         [*] End of lib/trans-iframe-within.js
+
+
+//         [*] Including lib/info.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var InfoReceiver = function(base_url, AjaxObject) {
+    var that = this;
+    utils.delay(function(){that.doXhr(base_url, AjaxObject);});
+};
+
+InfoReceiver.prototype = new EventEmitter(['finish']);
+
+InfoReceiver.prototype.doXhr = function(base_url, AjaxObject) {
+    var that = this;
+    var t0 = (new Date()).getTime();
+    var xo = new AjaxObject('GET', base_url + '/info');
+
+    var tref = utils.delay(8000,
+                           function(){xo.ontimeout();});
+
+    xo.onfinish = function(status, text) {
+        clearTimeout(tref);
+        tref = null;
+        if (status === 200) {
+            var rtt = (new Date()).getTime() - t0;
+            var info = JSON.parse(text);
+            if (typeof info !== 'object') info = {};
+            that.emit('finish', info, rtt);
+        } else {
+            that.emit('finish');
+        }
+    };
+    xo.ontimeout = function() {
+        xo.close();
+        that.emit('finish');
+    };
+};
+
+var InfoReceiverIframe = function(base_url) {
+    var that = this;
+    var go = function() {
+        var ifr = new IframeTransport();
+        ifr.protocol = 'w-iframe-info-receiver';
+        var fun = function(r) {
+            if (typeof r === 'string' && r.substr(0,1) === 'm') {
+                var d = JSON.parse(r.substr(1));
+                var info = d[0], rtt = d[1];
+                that.emit('finish', info, rtt);
+            } else {
+                that.emit('finish');
+            }
+            ifr.doCleanup();
+            ifr = null;
+        };
+        var mock_ri = {
+            _options: {},
+            _didClose: fun,
+            _didMessage: fun
+        };
+        ifr.i_constructor(mock_ri, base_url, base_url);
+    }
+    if(!_document.body) {
+        utils.attachEvent('load', go);
+    } else {
+        go();
+    }
+};
+InfoReceiverIframe.prototype = new EventEmitter(['finish']);
+
+
+var InfoReceiverFake = function() {
+    // It may not be possible to do cross domain AJAX to get the info
+    // data, for example for IE7. But we want to run JSONP, so let's
+    // fake the response, with rtt=2s (rto=6s).
+    var that = this;
+    utils.delay(function() {
+        that.emit('finish', {}, 2000);
+    });
+};
+InfoReceiverFake.prototype = new EventEmitter(['finish']);
+
+var createInfoReceiver = function(base_url) {
+    if (utils.isSameOriginUrl(base_url)) {
+        // If, for some reason, we have SockJS locally - there's no
+        // need to start up the complex machinery. Just use ajax.
+        return new InfoReceiver(base_url, utils.XHRLocalObject);
+    }
+    switch (utils.isXHRCorsCapable()) {
+    case 1:
+        // XHRLocalObject -> no_credentials=true
+        return new InfoReceiver(base_url, utils.XHRLocalObject);
+    case 2:
+        return new InfoReceiver(base_url, utils.XDRObject);
+    case 3:
+        // Opera
+        return new InfoReceiverIframe(base_url);
+    default:
+        // IE 7
+        return new InfoReceiverFake();
+    };
+};
+
+
+var WInfoReceiverIframe = FacadeJS['w-iframe-info-receiver'] = function(ri, _trans_url, base_url) {
+    var ir = new InfoReceiver(base_url, utils.XHRLocalObject);
+    ir.onfinish = function(info, rtt) {
+        ri._didMessage('m'+JSON.stringify([info, rtt]));
+        ri._didClose();
+    }
+};
+WInfoReceiverIframe.prototype.doCleanup = function() {};
+//         [*] End of lib/info.js
+
+
+//         [*] Including lib/trans-iframe-eventsource.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var EventSourceIframeTransport = SockJS['iframe-eventsource'] = function () {
+    var that = this;
+    that.protocol = 'w-iframe-eventsource';
+    that.i_constructor.apply(that, arguments);
+};
+
+EventSourceIframeTransport.prototype = new IframeTransport();
+
+EventSourceIframeTransport.enabled = function () {
+    return ('EventSource' in _window) && IframeTransport.enabled();
+};
+
+EventSourceIframeTransport.need_body = true;
+EventSourceIframeTransport.roundTrips = 3; // html, javascript, eventsource
+
+
+// w-iframe-eventsource
+var EventSourceTransport = FacadeJS['w-iframe-eventsource'] = function(ri, trans_url) {
+    this.run(ri, trans_url, '/eventsource', EventSourceReceiver, utils.XHRLocalObject);
+}
+EventSourceTransport.prototype = new AjaxBasedTransport();
+//         [*] End of lib/trans-iframe-eventsource.js
+
+
+//         [*] Including lib/trans-iframe-xhr-polling.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var XhrPollingIframeTransport = SockJS['iframe-xhr-polling'] = function () {
+    var that = this;
+    that.protocol = 'w-iframe-xhr-polling';
+    that.i_constructor.apply(that, arguments);
+};
+
+XhrPollingIframeTransport.prototype = new IframeTransport();
+
+XhrPollingIframeTransport.enabled = function () {
+    return _window.XMLHttpRequest && IframeTransport.enabled();
+};
+
+XhrPollingIframeTransport.need_body = true;
+XhrPollingIframeTransport.roundTrips = 3; // html, javascript, xhr
+
+
+// w-iframe-xhr-polling
+var XhrPollingITransport = FacadeJS['w-iframe-xhr-polling'] = function(ri, trans_url) {
+    this.run(ri, trans_url, '/xhr', XhrReceiver, utils.XHRLocalObject);
+};
+
+XhrPollingITransport.prototype = new AjaxBasedTransport();
+//         [*] End of lib/trans-iframe-xhr-polling.js
+
+
+//         [*] Including lib/trans-iframe-htmlfile.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+// This transport generally works in any browser, but will cause a
+// spinning cursor to appear in any browser other than IE.
+// We may test this transport in all browsers - why not, but in
+// production it should be only run in IE.
+
+var HtmlFileIframeTransport = SockJS['iframe-htmlfile'] = function () {
+    var that = this;
+    that.protocol = 'w-iframe-htmlfile';
+    that.i_constructor.apply(that, arguments);
+};
+
+// Inheritance.
+HtmlFileIframeTransport.prototype = new IframeTransport();
+
+HtmlFileIframeTransport.enabled = function() {
+    return IframeTransport.enabled();
+};
+
+HtmlFileIframeTransport.need_body = true;
+HtmlFileIframeTransport.roundTrips = 3; // html, javascript, htmlfile
+
+
+// w-iframe-htmlfile
+var HtmlFileTransport = FacadeJS['w-iframe-htmlfile'] = function(ri, trans_url) {
+    this.run(ri, trans_url, '/htmlfile', HtmlfileReceiver, utils.XHRLocalObject);
+};
+HtmlFileTransport.prototype = new AjaxBasedTransport();
+//         [*] End of lib/trans-iframe-htmlfile.js
+
+
+//         [*] Including lib/trans-polling.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var Polling = function(ri, Receiver, recv_url, AjaxObject) {
+    var that = this;
+    that.ri = ri;
+    that.Receiver = Receiver;
+    that.recv_url = recv_url;
+    that.AjaxObject = AjaxObject;
+    that._scheduleRecv();
+};
+
+Polling.prototype._scheduleRecv = function() {
+    var that = this;
+    var poll = that.poll = new that.Receiver(that.recv_url, that.AjaxObject);
+    var msg_counter = 0;
+    poll.onmessage = function(e) {
+        msg_counter += 1;
+        that.ri._didMessage(e.data);
+    };
+    poll.onclose = function(e) {
+        that.poll = poll = poll.onmessage = poll.onclose = null;
+        if (!that.poll_is_closing) {
+            if (e.reason === 'permanent') {
+                that.ri._didClose(1006, 'Polling error (' + e.reason + ')');
+            } else {
+                that._scheduleRecv();
+            }
+        }
+    };
+};
+
+Polling.prototype.abort = function() {
+    var that = this;
+    that.poll_is_closing = true;
+    if (that.poll) {
+        that.poll.abort();
+    }
+};
+//         [*] End of lib/trans-polling.js
+
+
+//         [*] Including lib/trans-receiver-eventsource.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var EventSourceReceiver = function(url) {
+    var that = this;
+    var es = new EventSource(url);
+    es.onmessage = function(e) {
+        that.dispatchEvent(new SimpleEvent('message',
+                                           {'data': unescape(e.data)}));
+    };
+    that.es_close = es.onerror = function(e, abort_reason) {
+        // ES on reconnection has readyState = 0 or 1.
+        // on network error it's CLOSED = 2
+        var reason = abort_reason ? 'user' :
+            (es.readyState !== 2 ? 'network' : 'permanent');
+        that.es_close = es.onmessage = es.onerror = null;
+        // EventSource reconnects automatically.
+        es.close();
+        es = null;
+        // Safari and chrome < 15 crash if we close window before
+        // waiting for ES cleanup. See:
+        //   https://code.google.com/p/chromium/issues/detail?id=89155
+        utils.delay(200, function() {
+                        that.dispatchEvent(new SimpleEvent('close', {reason: reason}));
+                    });
+    };
+};
+
+EventSourceReceiver.prototype = new REventTarget();
+
+EventSourceReceiver.prototype.abort = function() {
+    var that = this;
+    if (that.es_close) {
+        that.es_close({}, true);
+    }
+};
+//         [*] End of lib/trans-receiver-eventsource.js
+
+
+//         [*] Including lib/trans-receiver-htmlfile.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var _is_ie_htmlfile_capable;
+var isIeHtmlfileCapable = function() {
+    if (_is_ie_htmlfile_capable === undefined) {
+        if ('ActiveXObject' in _window) {
+            try {
+                _is_ie_htmlfile_capable = !!new ActiveXObject('htmlfile');
+            } catch (x) {}
+        } else {
+            _is_ie_htmlfile_capable = false;
+        }
+    }
+    return _is_ie_htmlfile_capable;
+};
+
+
+var HtmlfileReceiver = function(url) {
+    var that = this;
+    utils.polluteGlobalNamespace();
+
+    that.id = 'a' + utils.random_string(6, 26);
+    url += ((url.indexOf('?') === -1) ? '?' : '&') +
+        'c=' + escape(WPrefix + '.' + that.id);
+
+    var constructor = isIeHtmlfileCapable() ?
+        utils.createHtmlfile : utils.createIframe;
+
+    var iframeObj;
+    _window[WPrefix][that.id] = {
+        start: function () {
+            iframeObj.loaded();
+        },
+        message: function (data) {
+            that.dispatchEvent(new SimpleEvent('message', {'data': data}));
+        },
+        stop: function () {
+            that.iframe_close({}, 'network');
+        }
+    };
+    that.iframe_close = function(e, abort_reason) {
+        iframeObj.cleanup();
+        that.iframe_close = iframeObj = null;
+        delete _window[WPrefix][that.id];
+        that.dispatchEvent(new SimpleEvent('close', {reason: abort_reason}));
+    };
+    iframeObj = constructor(url, function(e) {
+                                that.iframe_close({}, 'permanent');
+                            });
+};
+
+HtmlfileReceiver.prototype = new REventTarget();
+
+HtmlfileReceiver.prototype.abort = function() {
+    var that = this;
+    if (that.iframe_close) {
+        that.iframe_close({}, 'user');
+    }
+};
+//         [*] End of lib/trans-receiver-htmlfile.js
+
+
+//         [*] Including lib/trans-receiver-xhr.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var XhrReceiver = function(url, AjaxObject) {
+    var that = this;
+    var buf_pos = 0;
+
+    that.xo = new AjaxObject('POST', url, null);
+    that.xo.onchunk = function(status, text) {
+        if (status !== 200) return;
+        while (1) {
+            var buf = text.slice(buf_pos);
+            var p = buf.indexOf('\n');
+            if (p === -1) break;
+            buf_pos += p+1;
+            var msg = buf.slice(0, p);
+            that.dispatchEvent(new SimpleEvent('message', {data: msg}));
+        }
+    };
+    that.xo.onfinish = function(status, text) {
+        that.xo.onchunk(status, text);
+        that.xo = null;
+        var reason = status === 200 ? 'network' : 'permanent';
+        that.dispatchEvent(new SimpleEvent('close', {reason: reason}));
+    }
+};
+
+XhrReceiver.prototype = new REventTarget();
+
+XhrReceiver.prototype.abort = function() {
+    var that = this;
+    if (that.xo) {
+        that.xo.close();
+        that.dispatchEvent(new SimpleEvent('close', {reason: 'user'}));
+        that.xo = null;
+    }
+};
+//         [*] End of lib/trans-receiver-xhr.js
+
+
+//         [*] Including lib/test-hooks.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+// For testing
+SockJS.getUtils = function(){
+    return utils;
+};
+
+SockJS.getIframeTransport = function(){
+    return IframeTransport;
+};
+//         [*] End of lib/test-hooks.js
+
+                  return SockJS;
+          })();
+if ('_sockjs_onload' in window) setTimeout(_sockjs_onload, 1);
+
+// AMD compliance
+if (typeof define === 'function' && define.amd) {
+    define('sockjs', [], function(){return SockJS;});
+}
+//     [*] End of lib/index.js
+
+// [*] End of lib/all.js
+
diff --git a/dist/sockjs-0.3.4.min.js b/dist/sockjs-0.3.4.min.js
new file mode 100644
index 0000000..baae376
--- /dev/null
+++ b/dist/sockjs-0.3.4.min.js
@@ -0,0 +1,27 @@
+/* SockJS client, version 0.3.4, http://sockjs.org, MIT License
+
+Copyright (c) 2011-2012 VMware, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+// JSON2 by Douglas Crockford (minified).
+var JSON;JSON||(JSON={}),function(){function str(a,b){var c,d,e,f,g=gap,h,i=b[a];i&&typeof i=="object"&&typeof i.toJSON=="function"&&(i=i.toJSON(a)),typeof rep=="function"&&(i=rep.call(b,a,i));switch(typeof i){case"string":return quote(i);case"number":return isFinite(i)?String(i):"null";case"boolean":case"null":return String(i);case"object":if(!i)return"null";gap+=indent,h=[];if(Object.prototype.toString.apply(i)==="[object Array]"){f=i.length;for(c=0;c<f;c+=1)h[c]=str(c,i)||"null";e=h.l [...]
+
+SockJS=function(){var a=document,b=window,c={},d=function(){};d.prototype.addEventListener=function(a,b){this._listeners||(this._listeners={}),a in this._listeners||(this._listeners[a]=[]);var d=this._listeners[a];c.arrIndexOf(d,b)===-1&&d.push(b);return},d.prototype.removeEventListener=function(a,b){if(!(this._listeners&&a in this._listeners))return;var d=this._listeners[a],e=c.arrIndexOf(d,b);if(e!==-1){d.length>1?this._listeners[a]=d.slice(0,e).concat(d.slice(e+1)):delete this._listen [...]
diff --git a/dist/sockjs.js b/dist/sockjs.js
new file mode 100644
index 0000000..585215c
--- /dev/null
+++ b/dist/sockjs.js
@@ -0,0 +1,2379 @@
+/* SockJS client, version 0.3.4, http://sockjs.org, MIT License
+
+Copyright (c) 2011-2012 VMware, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+// JSON2 by Douglas Crockford (minified).
+var JSON;JSON||(JSON={}),function(){function str(a,b){var c,d,e,f,g=gap,h,i=b[a];i&&typeof i=="object"&&typeof i.toJSON=="function"&&(i=i.toJSON(a)),typeof rep=="function"&&(i=rep.call(b,a,i));switch(typeof i){case"string":return quote(i);case"number":return isFinite(i)?String(i):"null";case"boolean":case"null":return String(i);case"object":if(!i)return"null";gap+=indent,h=[];if(Object.prototype.toString.apply(i)==="[object Array]"){f=i.length;for(c=0;c<f;c+=1)h[c]=str(c,i)||"null";e=h.l [...]
+
+
+//     [*] Including lib/index.js
+// Public object
+SockJS = (function(){
+              var _document = document;
+              var _window = window;
+              var utils = {};
+
+
+//         [*] Including lib/reventtarget.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+/* Simplified implementation of DOM2 EventTarget.
+ *   http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-EventTarget
+ */
+var REventTarget = function() {};
+REventTarget.prototype.addEventListener = function (eventType, listener) {
+    if(!this._listeners) {
+         this._listeners = {};
+    }
+    if(!(eventType in this._listeners)) {
+        this._listeners[eventType] = [];
+    }
+    var arr = this._listeners[eventType];
+    if(utils.arrIndexOf(arr, listener) === -1) {
+        arr.push(listener);
+    }
+    return;
+};
+
+REventTarget.prototype.removeEventListener = function (eventType, listener) {
+    if(!(this._listeners && (eventType in this._listeners))) {
+        return;
+    }
+    var arr = this._listeners[eventType];
+    var idx = utils.arrIndexOf(arr, listener);
+    if (idx !== -1) {
+        if(arr.length > 1) {
+            this._listeners[eventType] = arr.slice(0, idx).concat( arr.slice(idx+1) );
+        } else {
+            delete this._listeners[eventType];
+        }
+        return;
+    }
+    return;
+};
+
+REventTarget.prototype.dispatchEvent = function (event) {
+    var t = event.type;
+    var args = Array.prototype.slice.call(arguments, 0);
+    if (this['on'+t]) {
+        this['on'+t].apply(this, args);
+    }
+    if (this._listeners && t in this._listeners) {
+        for(var i=0; i < this._listeners[t].length; i++) {
+            this._listeners[t][i].apply(this, args);
+        }
+    }
+};
+//         [*] End of lib/reventtarget.js
+
+
+//         [*] Including lib/simpleevent.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var SimpleEvent = function(type, obj) {
+    this.type = type;
+    if (typeof obj !== 'undefined') {
+        for(var k in obj) {
+            if (!obj.hasOwnProperty(k)) continue;
+            this[k] = obj[k];
+        }
+    }
+};
+
+SimpleEvent.prototype.toString = function() {
+    var r = [];
+    for(var k in this) {
+        if (!this.hasOwnProperty(k)) continue;
+        var v = this[k];
+        if (typeof v === 'function') v = '[function]';
+        r.push(k + '=' + v);
+    }
+    return 'SimpleEvent(' + r.join(', ') + ')';
+};
+//         [*] End of lib/simpleevent.js
+
+
+//         [*] Including lib/eventemitter.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var EventEmitter = function(events) {
+    var that = this;
+    that._events = events || [];
+    that._listeners = {};
+};
+EventEmitter.prototype.emit = function(type) {
+    var that = this;
+    that._verifyType(type);
+    if (that._nuked) return;
+
+    var args = Array.prototype.slice.call(arguments, 1);
+    if (that['on'+type]) {
+        that['on'+type].apply(that, args);
+    }
+    if (type in that._listeners) {
+        for(var i = 0; i < that._listeners[type].length; i++) {
+            that._listeners[type][i].apply(that, args);
+        }
+    }
+};
+
+EventEmitter.prototype.on = function(type, callback) {
+    var that = this;
+    that._verifyType(type);
+    if (that._nuked) return;
+
+    if (!(type in that._listeners)) {
+        that._listeners[type] = [];
+    }
+    that._listeners[type].push(callback);
+};
+
+EventEmitter.prototype._verifyType = function(type) {
+    var that = this;
+    if (utils.arrIndexOf(that._events, type) === -1) {
+        utils.log('Event ' + JSON.stringify(type) +
+                  ' not listed ' + JSON.stringify(that._events) +
+                  ' in ' + that);
+    }
+};
+
+EventEmitter.prototype.nuke = function() {
+    var that = this;
+    that._nuked = true;
+    for(var i=0; i<that._events.length; i++) {
+        delete that[that._events[i]];
+    }
+    that._listeners = {};
+};
+//         [*] End of lib/eventemitter.js
+
+
+//         [*] Including lib/utils.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var random_string_chars = 'abcdefghijklmnopqrstuvwxyz0123456789_';
+utils.random_string = function(length, max) {
+    max = max || random_string_chars.length;
+    var i, ret = [];
+    for(i=0; i < length; i++) {
+        ret.push( random_string_chars.substr(Math.floor(Math.random() * max),1) );
+    }
+    return ret.join('');
+};
+utils.random_number = function(max) {
+    return Math.floor(Math.random() * max);
+};
+utils.random_number_string = function(max) {
+    var t = (''+(max - 1)).length;
+    var p = Array(t+1).join('0');
+    return (p + utils.random_number(max)).slice(-t);
+};
+
+// Assuming that url looks like: http://asdasd:111/asd
+utils.getOrigin = function(url) {
+    url += '/';
+    var parts = url.split('/').slice(0, 3);
+    return parts.join('/');
+};
+
+utils.isSameOriginUrl = function(url_a, url_b) {
+    // location.origin would do, but it's not always available.
+    if (!url_b) url_b = _window.location.href;
+
+    return (url_a.split('/').slice(0,3).join('/')
+                ===
+            url_b.split('/').slice(0,3).join('/'));
+};
+
+utils.getParentDomain = function(url) {
+    // ipv4 ip address
+    if (/^[0-9.]*$/.test(url)) return url;
+    // ipv6 ip address
+    if (/^\[/.test(url)) return url;
+    // no dots
+    if (!(/[.]/.test(url))) return url;
+
+    var parts = url.split('.').slice(1);
+    return parts.join('.');
+};
+
+utils.objectExtend = function(dst, src) {
+    for(var k in src) {
+        if (src.hasOwnProperty(k)) {
+            dst[k] = src[k];
+        }
+    }
+    return dst;
+};
+
+var WPrefix = '_jp';
+
+utils.polluteGlobalNamespace = function() {
+    if (!(WPrefix in _window)) {
+        _window[WPrefix] = {};
+    }
+};
+
+utils.closeFrame = function (code, reason) {
+    return 'c'+JSON.stringify([code, reason]);
+};
+
+utils.userSetCode = function (code) {
+    return code === 1000 || (code >= 3000 && code <= 4999);
+};
+
+// See: http://www.erg.abdn.ac.uk/~gerrit/dccp/notes/ccid2/rto_estimator/
+// and RFC 2988.
+utils.countRTO = function (rtt) {
+    var rto;
+    if (rtt > 100) {
+        rto = 3 * rtt; // rto > 300msec
+    } else {
+        rto = rtt + 200; // 200msec < rto <= 300msec
+    }
+    return rto;
+}
+
+utils.log = function() {
+    if (_window.console && console.log && console.log.apply) {
+        console.log.apply(console, arguments);
+    }
+};
+
+utils.bind = function(fun, that) {
+    if (fun.bind) {
+        return fun.bind(that);
+    } else {
+        return function() {
+            return fun.apply(that, arguments);
+        };
+    }
+};
+
+utils.flatUrl = function(url) {
+    return url.indexOf('?') === -1 && url.indexOf('#') === -1;
+};
+
+utils.amendUrl = function(url) {
+    var dl = _document.location;
+    if (!url) {
+        throw new Error('Wrong url for SockJS');
+    }
+    if (!utils.flatUrl(url)) {
+        throw new Error('Only basic urls are supported in SockJS');
+    }
+
+    //  '//abc' --> 'http://abc'
+    if (url.indexOf('//') === 0) {
+        url = dl.protocol + url;
+    }
+    // '/abc' --> 'http://localhost:80/abc'
+    if (url.indexOf('/') === 0) {
+        url = dl.protocol + '//' + dl.host + url;
+    }
+    // strip trailing slashes
+    url = url.replace(/[/]+$/,'');
+    return url;
+};
+
+// IE doesn't support [].indexOf.
+utils.arrIndexOf = function(arr, obj){
+    for(var i=0; i < arr.length; i++){
+        if(arr[i] === obj){
+            return i;
+        }
+    }
+    return -1;
+};
+
+utils.arrSkip = function(arr, obj) {
+    var idx = utils.arrIndexOf(arr, obj);
+    if (idx === -1) {
+        return arr.slice();
+    } else {
+        var dst = arr.slice(0, idx);
+        return dst.concat(arr.slice(idx+1));
+    }
+};
+
+// Via: https://gist.github.com/1133122/2121c601c5549155483f50be3da5305e83b8c5df
+utils.isArray = Array.isArray || function(value) {
+    return {}.toString.call(value).indexOf('Array') >= 0
+};
+
+utils.delay = function(t, fun) {
+    if(typeof t === 'function') {
+        fun = t;
+        t = 0;
+    }
+    return setTimeout(fun, t);
+};
+
+
+// Chars worth escaping, as defined by Douglas Crockford:
+//   https://github.com/douglascrockford/JSON-js/blob/47a9882cddeb1e8529e07af9736218075372b8ac/json2.js#L196
+var json_escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
+    json_lookup = {
+"\u0000":"\\u0000","\u0001":"\\u0001","\u0002":"\\u0002","\u0003":"\\u0003",
+"\u0004":"\\u0004","\u0005":"\\u0005","\u0006":"\\u0006","\u0007":"\\u0007",
+"\b":"\\b","\t":"\\t","\n":"\\n","\u000b":"\\u000b","\f":"\\f","\r":"\\r",
+"\u000e":"\\u000e","\u000f":"\\u000f","\u0010":"\\u0010","\u0011":"\\u0011",
+"\u0012":"\\u0012","\u0013":"\\u0013","\u0014":"\\u0014","\u0015":"\\u0015",
+"\u0016":"\\u0016","\u0017":"\\u0017","\u0018":"\\u0018","\u0019":"\\u0019",
+"\u001a":"\\u001a","\u001b":"\\u001b","\u001c":"\\u001c","\u001d":"\\u001d",
+"\u001e":"\\u001e","\u001f":"\\u001f","\"":"\\\"","\\":"\\\\",
+"\u007f":"\\u007f","\u0080":"\\u0080","\u0081":"\\u0081","\u0082":"\\u0082",
+"\u0083":"\\u0083","\u0084":"\\u0084","\u0085":"\\u0085","\u0086":"\\u0086",
+"\u0087":"\\u0087","\u0088":"\\u0088","\u0089":"\\u0089","\u008a":"\\u008a",
+"\u008b":"\\u008b","\u008c":"\\u008c","\u008d":"\\u008d","\u008e":"\\u008e",
+"\u008f":"\\u008f","\u0090":"\\u0090","\u0091":"\\u0091","\u0092":"\\u0092",
+"\u0093":"\\u0093","\u0094":"\\u0094","\u0095":"\\u0095","\u0096":"\\u0096",
+"\u0097":"\\u0097","\u0098":"\\u0098","\u0099":"\\u0099","\u009a":"\\u009a",
+"\u009b":"\\u009b","\u009c":"\\u009c","\u009d":"\\u009d","\u009e":"\\u009e",
+"\u009f":"\\u009f","\u00ad":"\\u00ad","\u0600":"\\u0600","\u0601":"\\u0601",
+"\u0602":"\\u0602","\u0603":"\\u0603","\u0604":"\\u0604","\u070f":"\\u070f",
+"\u17b4":"\\u17b4","\u17b5":"\\u17b5","\u200c":"\\u200c","\u200d":"\\u200d",
+"\u200e":"\\u200e","\u200f":"\\u200f","\u2028":"\\u2028","\u2029":"\\u2029",
+"\u202a":"\\u202a","\u202b":"\\u202b","\u202c":"\\u202c","\u202d":"\\u202d",
+"\u202e":"\\u202e","\u202f":"\\u202f","\u2060":"\\u2060","\u2061":"\\u2061",
+"\u2062":"\\u2062","\u2063":"\\u2063","\u2064":"\\u2064","\u2065":"\\u2065",
+"\u2066":"\\u2066","\u2067":"\\u2067","\u2068":"\\u2068","\u2069":"\\u2069",
+"\u206a":"\\u206a","\u206b":"\\u206b","\u206c":"\\u206c","\u206d":"\\u206d",
+"\u206e":"\\u206e","\u206f":"\\u206f","\ufeff":"\\ufeff","\ufff0":"\\ufff0",
+"\ufff1":"\\ufff1","\ufff2":"\\ufff2","\ufff3":"\\ufff3","\ufff4":"\\ufff4",
+"\ufff5":"\\ufff5","\ufff6":"\\ufff6","\ufff7":"\\ufff7","\ufff8":"\\ufff8",
+"\ufff9":"\\ufff9","\ufffa":"\\ufffa","\ufffb":"\\ufffb","\ufffc":"\\ufffc",
+"\ufffd":"\\ufffd","\ufffe":"\\ufffe","\uffff":"\\uffff"};
+
+// Some extra characters that Chrome gets wrong, and substitutes with
+// something else on the wire.
+var extra_escapable = /[\x00-\x1f\ud800-\udfff\ufffe\uffff\u0300-\u0333\u033d-\u0346\u034a-\u034c\u0350-\u0352\u0357-\u0358\u035c-\u0362\u0374\u037e\u0387\u0591-\u05af\u05c4\u0610-\u0617\u0653-\u0654\u0657-\u065b\u065d-\u065e\u06df-\u06e2\u06eb-\u06ec\u0730\u0732-\u0733\u0735-\u0736\u073a\u073d\u073f-\u0741\u0743\u0745\u0747\u07eb-\u07f1\u0951\u0958-\u095f\u09dc-\u09dd\u09df\u0a33\u0a36\u0a59-\u0a5b\u0a5e\u0b5c-\u0b5d\u0e38-\u0e39\u0f43\u0f4d\u0f52\u0f57\u0f5c\u0f69\u0f72-\u0f76\u0f78\u0 [...]
+    extra_lookup;
+
+// JSON Quote string. Use native implementation when possible.
+var JSONQuote = (JSON && JSON.stringify) || function(string) {
+    json_escapable.lastIndex = 0;
+    if (json_escapable.test(string)) {
+        string = string.replace(json_escapable, function(a) {
+            return json_lookup[a];
+        });
+    }
+    return '"' + string + '"';
+};
+
+// This may be quite slow, so let's delay until user actually uses bad
+// characters.
+var unroll_lookup = function(escapable) {
+    var i;
+    var unrolled = {}
+    var c = []
+    for(i=0; i<65536; i++) {
+        c.push( String.fromCharCode(i) );
+    }
+    escapable.lastIndex = 0;
+    c.join('').replace(escapable, function (a) {
+        unrolled[ a ] = '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
+        return '';
+    });
+    escapable.lastIndex = 0;
+    return unrolled;
+};
+
+// Quote string, also taking care of unicode characters that browsers
+// often break. Especially, take care of unicode surrogates:
+//    http://en.wikipedia.org/wiki/Mapping_of_Unicode_characters#Surrogates
+utils.quote = function(string) {
+    var quoted = JSONQuote(string);
+
+    // In most cases this should be very fast and good enough.
+    extra_escapable.lastIndex = 0;
+    if(!extra_escapable.test(quoted)) {
+        return quoted;
+    }
+
+    if(!extra_lookup) extra_lookup = unroll_lookup(extra_escapable);
+
+    return quoted.replace(extra_escapable, function(a) {
+        return extra_lookup[a];
+    });
+}
+
+var _all_protocols = ['websocket',
+                      'xdr-streaming',
+                      'xhr-streaming',
+                      'iframe-eventsource',
+                      'iframe-htmlfile',
+                      'xdr-polling',
+                      'xhr-polling',
+                      'iframe-xhr-polling',
+                      'jsonp-polling'];
+
+utils.probeProtocols = function() {
+    var probed = {};
+    for(var i=0; i<_all_protocols.length; i++) {
+        var protocol = _all_protocols[i];
+        // User can have a typo in protocol name.
+        probed[protocol] = SockJS[protocol] &&
+                           SockJS[protocol].enabled();
+    }
+    return probed;
+};
+
+utils.detectProtocols = function(probed, protocols_whitelist, info) {
+    var pe = {},
+        protocols = [];
+    if (!protocols_whitelist) protocols_whitelist = _all_protocols;
+    for(var i=0; i<protocols_whitelist.length; i++) {
+        var protocol = protocols_whitelist[i];
+        pe[protocol] = probed[protocol];
+    }
+    var maybe_push = function(protos) {
+        var proto = protos.shift();
+        if (pe[proto]) {
+            protocols.push(proto);
+        } else {
+            if (protos.length > 0) {
+                maybe_push(protos);
+            }
+        }
+    }
+
+    // 1. Websocket
+    if (info.websocket !== false) {
+        maybe_push(['websocket']);
+    }
+
+    // 2. Streaming
+    if (pe['xhr-streaming'] && !info.null_origin) {
+        protocols.push('xhr-streaming');
+    } else {
+        if (pe['xdr-streaming'] && !info.cookie_needed && !info.null_origin) {
+            protocols.push('xdr-streaming');
+        } else {
+            maybe_push(['iframe-eventsource',
+                        'iframe-htmlfile']);
+        }
+    }
+
+    // 3. Polling
+    if (pe['xhr-polling'] && !info.null_origin) {
+        protocols.push('xhr-polling');
+    } else {
+        if (pe['xdr-polling'] && !info.cookie_needed && !info.null_origin) {
+            protocols.push('xdr-polling');
+        } else {
+            maybe_push(['iframe-xhr-polling',
+                        'jsonp-polling']);
+        }
+    }
+    return protocols;
+}
+//         [*] End of lib/utils.js
+
+
+//         [*] Including lib/dom.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+// May be used by htmlfile jsonp and transports.
+var MPrefix = '_sockjs_global';
+utils.createHook = function() {
+    var window_id = 'a' + utils.random_string(8);
+    if (!(MPrefix in _window)) {
+        var map = {};
+        _window[MPrefix] = function(window_id) {
+            if (!(window_id in map)) {
+                map[window_id] = {
+                    id: window_id,
+                    del: function() {delete map[window_id];}
+                };
+            }
+            return map[window_id];
+        }
+    }
+    return _window[MPrefix](window_id);
+};
+
+
+
+utils.attachMessage = function(listener) {
+    utils.attachEvent('message', listener);
+};
+utils.attachEvent = function(event, listener) {
+    if (typeof _window.addEventListener !== 'undefined') {
+        _window.addEventListener(event, listener, false);
+    } else {
+        // IE quirks.
+        // According to: http://stevesouders.com/misc/test-postmessage.php
+        // the message gets delivered only to 'document', not 'window'.
+        _document.attachEvent("on" + event, listener);
+        // I get 'window' for ie8.
+        _window.attachEvent("on" + event, listener);
+    }
+};
+
+utils.detachMessage = function(listener) {
+    utils.detachEvent('message', listener);
+};
+utils.detachEvent = function(event, listener) {
+    if (typeof _window.addEventListener !== 'undefined') {
+        _window.removeEventListener(event, listener, false);
+    } else {
+        _document.detachEvent("on" + event, listener);
+        _window.detachEvent("on" + event, listener);
+    }
+};
+
+
+var on_unload = {};
+// Things registered after beforeunload are to be called immediately.
+var after_unload = false;
+
+var trigger_unload_callbacks = function() {
+    for(var ref in on_unload) {
+        on_unload[ref]();
+        delete on_unload[ref];
+    };
+};
+
+var unload_triggered = function() {
+    if(after_unload) return;
+    after_unload = true;
+    trigger_unload_callbacks();
+};
+
+// 'unload' alone is not reliable in opera within an iframe, but we
+// can't use `beforeunload` as IE fires it on javascript: links.
+utils.attachEvent('unload', unload_triggered);
+
+utils.unload_add = function(listener) {
+    var ref = utils.random_string(8);
+    on_unload[ref] = listener;
+    if (after_unload) {
+        utils.delay(trigger_unload_callbacks);
+    }
+    return ref;
+};
+utils.unload_del = function(ref) {
+    if (ref in on_unload)
+        delete on_unload[ref];
+};
+
+
+utils.createIframe = function (iframe_url, error_callback) {
+    var iframe = _document.createElement('iframe');
+    var tref, unload_ref;
+    var unattach = function() {
+        clearTimeout(tref);
+        // Explorer had problems with that.
+        try {iframe.onload = null;} catch (x) {}
+        iframe.onerror = null;
+    };
+    var cleanup = function() {
+        if (iframe) {
+            unattach();
+            // This timeout makes chrome fire onbeforeunload event
+            // within iframe. Without the timeout it goes straight to
+            // onunload.
+            setTimeout(function() {
+                if(iframe) {
+                    iframe.parentNode.removeChild(iframe);
+                }
+                iframe = null;
+            }, 0);
+            utils.unload_del(unload_ref);
+        }
+    };
+    var onerror = function(r) {
+        if (iframe) {
+            cleanup();
+            error_callback(r);
+        }
+    };
+    var post = function(msg, origin) {
+        try {
+            // When the iframe is not loaded, IE raises an exception
+            // on 'contentWindow'.
+            if (iframe && iframe.contentWindow) {
+                iframe.contentWindow.postMessage(msg, origin);
+            }
+        } catch (x) {};
+    };
+
+    iframe.src = iframe_url;
+    iframe.style.display = 'none';
+    iframe.style.position = 'absolute';
+    iframe.onerror = function(){onerror('onerror');};
+    iframe.onload = function() {
+        // `onload` is triggered before scripts on the iframe are
+        // executed. Give it few seconds to actually load stuff.
+        clearTimeout(tref);
+        tref = setTimeout(function(){onerror('onload timeout');}, 2000);
+    };
+    _document.body.appendChild(iframe);
+    tref = setTimeout(function(){onerror('timeout');}, 15000);
+    unload_ref = utils.unload_add(cleanup);
+    return {
+        post: post,
+        cleanup: cleanup,
+        loaded: unattach
+    };
+};
+
+utils.createHtmlfile = function (iframe_url, error_callback) {
+    var doc = new ActiveXObject('htmlfile');
+    var tref, unload_ref;
+    var iframe;
+    var unattach = function() {
+        clearTimeout(tref);
+    };
+    var cleanup = function() {
+        if (doc) {
+            unattach();
+            utils.unload_del(unload_ref);
+            iframe.parentNode.removeChild(iframe);
+            iframe = doc = null;
+            CollectGarbage();
+        }
+    };
+    var onerror = function(r)  {
+        if (doc) {
+            cleanup();
+            error_callback(r);
+        }
+    };
+    var post = function(msg, origin) {
+        try {
+            // When the iframe is not loaded, IE raises an exception
+            // on 'contentWindow'.
+            if (iframe && iframe.contentWindow) {
+                iframe.contentWindow.postMessage(msg, origin);
+            }
+        } catch (x) {};
+    };
+
+    doc.open();
+    doc.write('<html><s' + 'cript>' +
+              'document.domain="' + document.domain + '";' +
+              '</s' + 'cript></html>');
+    doc.close();
+    doc.parentWindow[WPrefix] = _window[WPrefix];
+    var c = doc.createElement('div');
+    doc.body.appendChild(c);
+    iframe = doc.createElement('iframe');
+    c.appendChild(iframe);
+    iframe.src = iframe_url;
+    tref = setTimeout(function(){onerror('timeout');}, 15000);
+    unload_ref = utils.unload_add(cleanup);
+    return {
+        post: post,
+        cleanup: cleanup,
+        loaded: unattach
+    };
+};
+//         [*] End of lib/dom.js
+
+
+//         [*] Including lib/dom2.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var AbstractXHRObject = function(){};
+AbstractXHRObject.prototype = new EventEmitter(['chunk', 'finish']);
+
+AbstractXHRObject.prototype._start = function(method, url, payload, opts) {
+    var that = this;
+
+    try {
+        that.xhr = new XMLHttpRequest();
+    } catch(x) {};
+
+    if (!that.xhr) {
+        try {
+            that.xhr = new _window.ActiveXObject('Microsoft.XMLHTTP');
+        } catch(x) {};
+    }
+    if (_window.ActiveXObject || _window.XDomainRequest) {
+        // IE8 caches even POSTs
+        url += ((url.indexOf('?') === -1) ? '?' : '&') + 't='+(+new Date);
+    }
+
+    // Explorer tends to keep connection open, even after the
+    // tab gets closed: http://bugs.jquery.com/ticket/5280
+    that.unload_ref = utils.unload_add(function(){that._cleanup(true);});
+    try {
+        that.xhr.open(method, url, true);
+    } catch(e) {
+        // IE raises an exception on wrong port.
+        that.emit('finish', 0, '');
+        that._cleanup();
+        return;
+    };
+
+    if (!opts || !opts.no_credentials) {
+        // Mozilla docs says https://developer.mozilla.org/en/XMLHttpRequest :
+        // "This never affects same-site requests."
+        that.xhr.withCredentials = 'true';
+    }
+    if (opts && opts.headers) {
+        for(var key in opts.headers) {
+            that.xhr.setRequestHeader(key, opts.headers[key]);
+        }
+    }
+
+    that.xhr.onreadystatechange = function() {
+        if (that.xhr) {
+            var x = that.xhr;
+            switch (x.readyState) {
+            case 3:
+                // IE doesn't like peeking into responseText or status
+                // on Microsoft.XMLHTTP and readystate=3
+                try {
+                    var status = x.status;
+                    var text = x.responseText;
+                } catch (x) {};
+                // IE returns 1223 for 204: http://bugs.jquery.com/ticket/1450
+                if (status === 1223) status = 204;
+
+                // IE does return readystate == 3 for 404 answers.
+                if (text && text.length > 0) {
+                    that.emit('chunk', status, text);
+                }
+                break;
+            case 4:
+                var status = x.status;
+                // IE returns 1223 for 204: http://bugs.jquery.com/ticket/1450
+                if (status === 1223) status = 204;
+
+                that.emit('finish', status, x.responseText);
+                that._cleanup(false);
+                break;
+            }
+        }
+    };
+    that.xhr.send(payload);
+};
+
+AbstractXHRObject.prototype._cleanup = function(abort) {
+    var that = this;
+    if (!that.xhr) return;
+    utils.unload_del(that.unload_ref);
+
+    // IE needs this field to be a function
+    that.xhr.onreadystatechange = function(){};
+
+    if (abort) {
+        try {
+            that.xhr.abort();
+        } catch(x) {};
+    }
+    that.unload_ref = that.xhr = null;
+};
+
+AbstractXHRObject.prototype.close = function() {
+    var that = this;
+    that.nuke();
+    that._cleanup(true);
+};
+
+var XHRCorsObject = utils.XHRCorsObject = function() {
+    var that = this, args = arguments;
+    utils.delay(function(){that._start.apply(that, args);});
+};
+XHRCorsObject.prototype = new AbstractXHRObject();
+
+var XHRLocalObject = utils.XHRLocalObject = function(method, url, payload) {
+    var that = this;
+    utils.delay(function(){
+        that._start(method, url, payload, {
+            no_credentials: true
+        });
+    });
+};
+XHRLocalObject.prototype = new AbstractXHRObject();
+
+
+
+// References:
+//   http://ajaxian.com/archives/100-line-ajax-wrapper
+//   http://msdn.microsoft.com/en-us/library/cc288060(v=VS.85).aspx
+var XDRObject = utils.XDRObject = function(method, url, payload) {
+    var that = this;
+    utils.delay(function(){that._start(method, url, payload);});
+};
+XDRObject.prototype = new EventEmitter(['chunk', 'finish']);
+XDRObject.prototype._start = function(method, url, payload) {
+    var that = this;
+    var xdr = new XDomainRequest();
+    // IE caches even POSTs
+    url += ((url.indexOf('?') === -1) ? '?' : '&') + 't='+(+new Date);
+
+    var onerror = xdr.ontimeout = xdr.onerror = function() {
+        that.emit('finish', 0, '');
+        that._cleanup(false);
+    };
+    xdr.onprogress = function() {
+        that.emit('chunk', 200, xdr.responseText);
+    };
+    xdr.onload = function() {
+        that.emit('finish', 200, xdr.responseText);
+        that._cleanup(false);
+    };
+    that.xdr = xdr;
+    that.unload_ref = utils.unload_add(function(){that._cleanup(true);});
+    try {
+        // Fails with AccessDenied if port number is bogus
+        that.xdr.open(method, url);
+        that.xdr.send(payload);
+    } catch(x) {
+        onerror();
+    }
+};
+
+XDRObject.prototype._cleanup = function(abort) {
+    var that = this;
+    if (!that.xdr) return;
+    utils.unload_del(that.unload_ref);
+
+    that.xdr.ontimeout = that.xdr.onerror = that.xdr.onprogress =
+        that.xdr.onload = null;
+    if (abort) {
+        try {
+            that.xdr.abort();
+        } catch(x) {};
+    }
+    that.unload_ref = that.xdr = null;
+};
+
+XDRObject.prototype.close = function() {
+    var that = this;
+    that.nuke();
+    that._cleanup(true);
+};
+
+// 1. Is natively via XHR
+// 2. Is natively via XDR
+// 3. Nope, but postMessage is there so it should work via the Iframe.
+// 4. Nope, sorry.
+utils.isXHRCorsCapable = function() {
+    if (_window.XMLHttpRequest && 'withCredentials' in new XMLHttpRequest()) {
+        return 1;
+    }
+    // XDomainRequest doesn't work if page is served from file://
+    if (_window.XDomainRequest && _document.domain) {
+        return 2;
+    }
+    if (IframeTransport.enabled()) {
+        return 3;
+    }
+    return 4;
+};
+//         [*] End of lib/dom2.js
+
+
+//         [*] Including lib/sockjs.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var SockJS = function(url, dep_protocols_whitelist, options) {
+    if (this === _window) {
+        // makes `new` optional
+        return new SockJS(url, dep_protocols_whitelist, options);
+    }
+    
+    var that = this, protocols_whitelist;
+    that._options = {devel: false, debug: false, protocols_whitelist: [],
+                     info: undefined, rtt: undefined};
+    if (options) {
+        utils.objectExtend(that._options, options);
+    }
+    that._base_url = utils.amendUrl(url);
+    that._server = that._options.server || utils.random_number_string(1000);
+    if (that._options.protocols_whitelist &&
+        that._options.protocols_whitelist.length) {
+        protocols_whitelist = that._options.protocols_whitelist;
+    } else {
+        // Deprecated API
+        if (typeof dep_protocols_whitelist === 'string' &&
+            dep_protocols_whitelist.length > 0) {
+            protocols_whitelist = [dep_protocols_whitelist];
+        } else if (utils.isArray(dep_protocols_whitelist)) {
+            protocols_whitelist = dep_protocols_whitelist
+        } else {
+            protocols_whitelist = null;
+        }
+        if (protocols_whitelist) {
+            that._debug('Deprecated API: Use "protocols_whitelist" option ' +
+                        'instead of supplying protocol list as a second ' +
+                        'parameter to SockJS constructor.');
+        }
+    }
+    that._protocols = [];
+    that.protocol = null;
+    that.readyState = SockJS.CONNECTING;
+    that._ir = createInfoReceiver(that._base_url);
+    that._ir.onfinish = function(info, rtt) {
+        that._ir = null;
+        if (info) {
+            if (that._options.info) {
+                // Override if user supplies the option
+                info = utils.objectExtend(info, that._options.info);
+            }
+            if (that._options.rtt) {
+                rtt = that._options.rtt;
+            }
+            that._applyInfo(info, rtt, protocols_whitelist);
+            that._didClose();
+        } else {
+            that._didClose(1002, 'Can\'t connect to server', true);
+        }
+    };
+};
+// Inheritance
+SockJS.prototype = new REventTarget();
+
+SockJS.version = "0.3.4";
+
+SockJS.CONNECTING = 0;
+SockJS.OPEN = 1;
+SockJS.CLOSING = 2;
+SockJS.CLOSED = 3;
+
+SockJS.prototype._debug = function() {
+    if (this._options.debug)
+        utils.log.apply(utils, arguments);
+};
+
+SockJS.prototype._dispatchOpen = function() {
+    var that = this;
+    if (that.readyState === SockJS.CONNECTING) {
+        if (that._transport_tref) {
+            clearTimeout(that._transport_tref);
+            that._transport_tref = null;
+        }
+        that.readyState = SockJS.OPEN;
+        that.dispatchEvent(new SimpleEvent("open"));
+    } else {
+        // The server might have been restarted, and lost track of our
+        // connection.
+        that._didClose(1006, "Server lost session");
+    }
+};
+
+SockJS.prototype._dispatchMessage = function(data) {
+    var that = this;
+    if (that.readyState !== SockJS.OPEN)
+            return;
+    that.dispatchEvent(new SimpleEvent("message", {data: data}));
+};
+
+SockJS.prototype._dispatchHeartbeat = function(data) {
+    var that = this;
+    if (that.readyState !== SockJS.OPEN)
+        return;
+    that.dispatchEvent(new SimpleEvent('heartbeat', {}));
+};
+
+SockJS.prototype._didClose = function(code, reason, force) {
+    var that = this;
+    if (that.readyState !== SockJS.CONNECTING &&
+        that.readyState !== SockJS.OPEN &&
+        that.readyState !== SockJS.CLOSING)
+            throw new Error('INVALID_STATE_ERR');
+    if (that._ir) {
+        that._ir.nuke();
+        that._ir = null;
+    }
+
+    if (that._transport) {
+        that._transport.doCleanup();
+        that._transport = null;
+    }
+
+    var close_event = new SimpleEvent("close", {
+        code: code,
+        reason: reason,
+        wasClean: utils.userSetCode(code)});
+
+    if (!utils.userSetCode(code) &&
+        that.readyState === SockJS.CONNECTING && !force) {
+        if (that._try_next_protocol(close_event)) {
+            return;
+        }
+        close_event = new SimpleEvent("close", {code: 2000,
+                                                reason: "All transports failed",
+                                                wasClean: false,
+                                                last_event: close_event});
+    }
+    that.readyState = SockJS.CLOSED;
+
+    utils.delay(function() {
+                   that.dispatchEvent(close_event);
+                });
+};
+
+SockJS.prototype._didMessage = function(data) {
+    var that = this;
+    var type = data.slice(0, 1);
+    switch(type) {
+    case 'o':
+        that._dispatchOpen();
+        break;
+    case 'a':
+        var payload = JSON.parse(data.slice(1) || '[]');
+        for(var i=0; i < payload.length; i++){
+            that._dispatchMessage(payload[i]);
+        }
+        break;
+    case 'm':
+        var payload = JSON.parse(data.slice(1) || 'null');
+        that._dispatchMessage(payload);
+        break;
+    case 'c':
+        var payload = JSON.parse(data.slice(1) || '[]');
+        that._didClose(payload[0], payload[1]);
+        break;
+    case 'h':
+        that._dispatchHeartbeat();
+        break;
+    }
+};
+
+SockJS.prototype._try_next_protocol = function(close_event) {
+    var that = this;
+    if (that.protocol) {
+        that._debug('Closed transport:', that.protocol, ''+close_event);
+        that.protocol = null;
+    }
+    if (that._transport_tref) {
+        clearTimeout(that._transport_tref);
+        that._transport_tref = null;
+    }
+
+    while(1) {
+        var protocol = that.protocol = that._protocols.shift();
+        if (!protocol) {
+            return false;
+        }
+        // Some protocols require access to `body`, what if were in
+        // the `head`?
+        if (SockJS[protocol] &&
+            SockJS[protocol].need_body === true &&
+            (!_document.body ||
+             (typeof _document.readyState !== 'undefined'
+              && _document.readyState !== 'complete'))) {
+            that._protocols.unshift(protocol);
+            that.protocol = 'waiting-for-load';
+            utils.attachEvent('load', function(){
+                that._try_next_protocol();
+            });
+            return true;
+        }
+
+        if (!SockJS[protocol] ||
+              !SockJS[protocol].enabled(that._options)) {
+            that._debug('Skipping transport:', protocol);
+        } else {
+            var roundTrips = SockJS[protocol].roundTrips || 1;
+            var to = ((that._options.rto || 0) * roundTrips) || 5000;
+            that._transport_tref = utils.delay(to, function() {
+                if (that.readyState === SockJS.CONNECTING) {
+                    // I can't understand how it is possible to run
+                    // this timer, when the state is CLOSED, but
+                    // apparently in IE everythin is possible.
+                    that._didClose(2007, "Transport timeouted");
+                }
+            });
+
+            var connid = utils.random_string(8);
+            var trans_url = that._base_url + '/' + that._server + '/' + connid;
+            that._debug('Opening transport:', protocol, ' url:'+trans_url,
+                        ' RTO:'+that._options.rto);
+            that._transport = new SockJS[protocol](that, trans_url,
+                                                   that._base_url);
+            return true;
+        }
+    }
+};
+
+SockJS.prototype.close = function(code, reason) {
+    var that = this;
+    if (code && !utils.userSetCode(code))
+        throw new Error("INVALID_ACCESS_ERR");
+    if(that.readyState !== SockJS.CONNECTING &&
+       that.readyState !== SockJS.OPEN) {
+        return false;
+    }
+    that.readyState = SockJS.CLOSING;
+    that._didClose(code || 1000, reason || "Normal closure");
+    return true;
+};
+
+SockJS.prototype.send = function(data) {
+    var that = this;
+    if (that.readyState === SockJS.CONNECTING)
+        throw new Error('INVALID_STATE_ERR');
+    if (that.readyState === SockJS.OPEN) {
+        that._transport.doSend(utils.quote('' + data));
+    }
+    return true;
+};
+
+SockJS.prototype._applyInfo = function(info, rtt, protocols_whitelist) {
+    var that = this;
+    that._options.info = info;
+    that._options.rtt = rtt;
+    that._options.rto = utils.countRTO(rtt);
+    that._options.info.null_origin = !_document.domain;
+    var probed = utils.probeProtocols();
+    that._protocols = utils.detectProtocols(probed, protocols_whitelist, info);
+};
+//         [*] End of lib/sockjs.js
+
+
+//         [*] Including lib/trans-websocket.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var WebSocketTransport = SockJS.websocket = function(ri, trans_url) {
+    var that = this;
+    var url = trans_url + '/websocket';
+    if (url.slice(0, 5) === 'https') {
+        url = 'wss' + url.slice(5);
+    } else {
+        url = 'ws' + url.slice(4);
+    }
+    that.ri = ri;
+    that.url = url;
+    var Constructor = _window.WebSocket || _window.MozWebSocket;
+
+    that.ws = new Constructor(that.url);
+    that.ws.onmessage = function(e) {
+        that.ri._didMessage(e.data);
+    };
+    // Firefox has an interesting bug. If a websocket connection is
+    // created after onunload, it stays alive even when user
+    // navigates away from the page. In such situation let's lie -
+    // let's not open the ws connection at all. See:
+    // https://github.com/sockjs/sockjs-client/issues/28
+    // https://bugzilla.mozilla.org/show_bug.cgi?id=696085
+    that.unload_ref = utils.unload_add(function(){that.ws.close()});
+    that.ws.onclose = function() {
+        that.ri._didMessage(utils.closeFrame(1006, "WebSocket connection broken"));
+    };
+};
+
+WebSocketTransport.prototype.doSend = function(data) {
+    this.ws.send('[' + data + ']');
+};
+
+WebSocketTransport.prototype.doCleanup = function() {
+    var that = this;
+    var ws = that.ws;
+    if (ws) {
+        ws.onmessage = ws.onclose = null;
+        ws.close();
+        utils.unload_del(that.unload_ref);
+        that.unload_ref = that.ri = that.ws = null;
+    }
+};
+
+WebSocketTransport.enabled = function() {
+    return !!(_window.WebSocket || _window.MozWebSocket);
+};
+
+// In theory, ws should require 1 round trip. But in chrome, this is
+// not very stable over SSL. Most likely a ws connection requires a
+// separate SSL connection, in which case 2 round trips are an
+// absolute minumum.
+WebSocketTransport.roundTrips = 2;
+//         [*] End of lib/trans-websocket.js
+
+
+//         [*] Including lib/trans-sender.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var BufferedSender = function() {};
+BufferedSender.prototype.send_constructor = function(sender) {
+    var that = this;
+    that.send_buffer = [];
+    that.sender = sender;
+};
+BufferedSender.prototype.doSend = function(message) {
+    var that = this;
+    that.send_buffer.push(message);
+    if (!that.send_stop) {
+        that.send_schedule();
+    }
+};
+
+// For polling transports in a situation when in the message callback,
+// new message is being send. If the sending connection was started
+// before receiving one, it is possible to saturate the network and
+// timeout due to the lack of receiving socket. To avoid that we delay
+// sending messages by some small time, in order to let receiving
+// connection be started beforehand. This is only a halfmeasure and
+// does not fix the big problem, but it does make the tests go more
+// stable on slow networks.
+BufferedSender.prototype.send_schedule_wait = function() {
+    var that = this;
+    var tref;
+    that.send_stop = function() {
+        that.send_stop = null;
+        clearTimeout(tref);
+    };
+    tref = utils.delay(25, function() {
+        that.send_stop = null;
+        that.send_schedule();
+    });
+};
+
+BufferedSender.prototype.send_schedule = function() {
+    var that = this;
+    if (that.send_buffer.length > 0) {
+        var payload = '[' + that.send_buffer.join(',') + ']';
+        that.send_stop = that.sender(that.trans_url, payload, function(success, abort_reason) {
+            that.send_stop = null;
+            if (success === false) {
+                that.ri._didClose(1006, 'Sending error ' + abort_reason);
+            } else {
+                that.send_schedule_wait();
+            }
+        });
+        that.send_buffer = [];
+    }
+};
+
+BufferedSender.prototype.send_destructor = function() {
+    var that = this;
+    if (that._send_stop) {
+        that._send_stop();
+    }
+    that._send_stop = null;
+};
+
+var jsonPGenericSender = function(url, payload, callback) {
+    var that = this;
+
+    if (!('_send_form' in that)) {
+        var form = that._send_form = _document.createElement('form');
+        var area = that._send_area = _document.createElement('textarea');
+        area.name = 'd';
+        form.style.display = 'none';
+        form.style.position = 'absolute';
+        form.method = 'POST';
+        form.enctype = 'application/x-www-form-urlencoded';
+        form.acceptCharset = "UTF-8";
+        form.appendChild(area);
+        _document.body.appendChild(form);
+    }
+    var form = that._send_form;
+    var area = that._send_area;
+    var id = 'a' + utils.random_string(8);
+    form.target = id;
+    form.action = url + '/jsonp_send?i=' + id;
+
+    var iframe;
+    try {
+        // ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
+        iframe = _document.createElement('<iframe name="'+ id +'">');
+    } catch(x) {
+        iframe = _document.createElement('iframe');
+        iframe.name = id;
+    }
+    iframe.id = id;
+    form.appendChild(iframe);
+    iframe.style.display = 'none';
+
+    try {
+        area.value = payload;
+    } catch(e) {
+        utils.log('Your browser is seriously broken. Go home! ' + e.message);
+    }
+    form.submit();
+
+    var completed = function(e) {
+        if (!iframe.onerror) return;
+        iframe.onreadystatechange = iframe.onerror = iframe.onload = null;
+        // Opera mini doesn't like if we GC iframe
+        // immediately, thus this timeout.
+        utils.delay(500, function() {
+                       iframe.parentNode.removeChild(iframe);
+                       iframe = null;
+                   });
+        area.value = '';
+        // It is not possible to detect if the iframe succeeded or
+        // failed to submit our form.
+        callback(true);
+    };
+    iframe.onerror = iframe.onload = completed;
+    iframe.onreadystatechange = function(e) {
+        if (iframe.readyState == 'complete') completed();
+    };
+    return completed;
+};
+
+var createAjaxSender = function(AjaxObject) {
+    return function(url, payload, callback) {
+        var xo = new AjaxObject('POST', url + '/xhr_send', payload);
+        xo.onfinish = function(status, text) {
+            callback(status === 200 || status === 204,
+                     'http status ' + status);
+        };
+        return function(abort_reason) {
+            callback(false, abort_reason);
+        };
+    };
+};
+//         [*] End of lib/trans-sender.js
+
+
+//         [*] Including lib/trans-jsonp-receiver.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+// Parts derived from Socket.io:
+//    https://github.com/LearnBoost/socket.io/blob/0.6.17/lib/socket.io/transports/jsonp-polling.js
+// and jQuery-JSONP:
+//    https://code.google.com/p/jquery-jsonp/source/browse/trunk/core/jquery.jsonp.js
+var jsonPGenericReceiver = function(url, callback) {
+    var tref;
+    var script = _document.createElement('script');
+    var script2;  // Opera synchronous load trick.
+    var close_script = function(frame) {
+        if (script2) {
+            script2.parentNode.removeChild(script2);
+            script2 = null;
+        }
+        if (script) {
+            clearTimeout(tref);
+            // Unfortunately, you can't really abort script loading of
+            // the script.
+            script.parentNode.removeChild(script);
+            script.onreadystatechange = script.onerror =
+                script.onload = script.onclick = null;
+            script = null;
+            callback(frame);
+            callback = null;
+        }
+    };
+
+    // IE9 fires 'error' event after orsc or before, in random order.
+    var loaded_okay = false;
+    var error_timer = null;
+
+    script.id = 'a' + utils.random_string(8);
+    script.src = url;
+    script.type = 'text/javascript';
+    script.charset = 'UTF-8';
+    script.onerror = function(e) {
+        if (!error_timer) {
+            // Delay firing close_script.
+            error_timer = setTimeout(function() {
+                if (!loaded_okay) {
+                    close_script(utils.closeFrame(
+                        1006,
+                        "JSONP script loaded abnormally (onerror)"));
+                }
+            }, 1000);
+        }
+    };
+    script.onload = function(e) {
+        close_script(utils.closeFrame(1006, "JSONP script loaded abnormally (onload)"));
+    };
+
+    script.onreadystatechange = function(e) {
+        if (/loaded|closed/.test(script.readyState)) {
+            if (script && script.htmlFor && script.onclick) {
+                loaded_okay = true;
+                try {
+                    // In IE, actually execute the script.
+                    script.onclick();
+                } catch (x) {}
+            }
+            if (script) {
+                close_script(utils.closeFrame(1006, "JSONP script loaded abnormally (onreadystatechange)"));
+            }
+        }
+    };
+    // IE: event/htmlFor/onclick trick.
+    // One can't rely on proper order for onreadystatechange. In order to
+    // make sure, set a 'htmlFor' and 'event' properties, so that
+    // script code will be installed as 'onclick' handler for the
+    // script object. Later, onreadystatechange, manually execute this
+    // code. FF and Chrome doesn't work with 'event' and 'htmlFor'
+    // set. For reference see:
+    //   http://jaubourg.net/2010/07/loading-script-as-onclick-handler-of.html
+    // Also, read on that about script ordering:
+    //   http://wiki.whatwg.org/wiki/Dynamic_Script_Execution_Order
+    if (typeof script.async === 'undefined' && _document.attachEvent) {
+        // According to mozilla docs, in recent browsers script.async defaults
+        // to 'true', so we may use it to detect a good browser:
+        // https://developer.mozilla.org/en/HTML/Element/script
+        if (!/opera/i.test(navigator.userAgent)) {
+            // Naively assume we're in IE
+            try {
+                script.htmlFor = script.id;
+                script.event = "onclick";
+            } catch (x) {}
+            script.async = true;
+        } else {
+            // Opera, second sync script hack
+            script2 = _document.createElement('script');
+            script2.text = "try{var a = document.getElementById('"+script.id+"'); if(a)a.onerror();}catch(x){};";
+            script.async = script2.async = false;
+        }
+    }
+    if (typeof script.async !== 'undefined') {
+        script.async = true;
+    }
+
+    // Fallback mostly for Konqueror - stupid timer, 35 seconds shall be plenty.
+    tref = setTimeout(function() {
+                          close_script(utils.closeFrame(1006, "JSONP script loaded abnormally (timeout)"));
+                      }, 35000);
+
+    var head = _document.getElementsByTagName('head')[0];
+    head.insertBefore(script, head.firstChild);
+    if (script2) {
+        head.insertBefore(script2, head.firstChild);
+    }
+    return close_script;
+};
+//         [*] End of lib/trans-jsonp-receiver.js
+
+
+//         [*] Including lib/trans-jsonp-polling.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+// The simplest and most robust transport, using the well-know cross
+// domain hack - JSONP. This transport is quite inefficient - one
+// mssage could use up to one http request. But at least it works almost
+// everywhere.
+// Known limitations:
+//   o you will get a spinning cursor
+//   o for Konqueror a dumb timer is needed to detect errors
+
+
+var JsonPTransport = SockJS['jsonp-polling'] = function(ri, trans_url) {
+    utils.polluteGlobalNamespace();
+    var that = this;
+    that.ri = ri;
+    that.trans_url = trans_url;
+    that.send_constructor(jsonPGenericSender);
+    that._schedule_recv();
+};
+
+// Inheritnace
+JsonPTransport.prototype = new BufferedSender();
+
+JsonPTransport.prototype._schedule_recv = function() {
+    var that = this;
+    var callback = function(data) {
+        that._recv_stop = null;
+        if (data) {
+            // no data - heartbeat;
+            if (!that._is_closing) {
+                that.ri._didMessage(data);
+            }
+        }
+        // The message can be a close message, and change is_closing state.
+        if (!that._is_closing) {
+            that._schedule_recv();
+        }
+    };
+    that._recv_stop = jsonPReceiverWrapper(that.trans_url + '/jsonp',
+                                           jsonPGenericReceiver, callback);
+};
+
+JsonPTransport.enabled = function() {
+    return true;
+};
+
+JsonPTransport.need_body = true;
+
+
+JsonPTransport.prototype.doCleanup = function() {
+    var that = this;
+    that._is_closing = true;
+    if (that._recv_stop) {
+        that._recv_stop();
+    }
+    that.ri = that._recv_stop = null;
+    that.send_destructor();
+};
+
+
+// Abstract away code that handles global namespace pollution.
+var jsonPReceiverWrapper = function(url, constructReceiver, user_callback) {
+    var id = 'a' + utils.random_string(6);
+    var url_id = url + '?c=' + escape(WPrefix + '.' + id);
+
+    // Unfortunately it is not possible to abort loading of the
+    // script. We need to keep track of frake close frames.
+    var aborting = 0;
+
+    // Callback will be called exactly once.
+    var callback = function(frame) {
+        switch(aborting) {
+        case 0:
+            // Normal behaviour - delete hook _and_ emit message.
+            delete _window[WPrefix][id];
+            user_callback(frame);
+            break;
+        case 1:
+            // Fake close frame - emit but don't delete hook.
+            user_callback(frame);
+            aborting = 2;
+            break;
+        case 2:
+            // Got frame after connection was closed, delete hook, don't emit.
+            delete _window[WPrefix][id];
+            break;
+        }
+    };
+
+    var close_script = constructReceiver(url_id, callback);
+    _window[WPrefix][id] = close_script;
+    var stop = function() {
+        if (_window[WPrefix][id]) {
+            aborting = 1;
+            _window[WPrefix][id](utils.closeFrame(1000, "JSONP user aborted read"));
+        }
+    };
+    return stop;
+};
+//         [*] End of lib/trans-jsonp-polling.js
+
+
+//         [*] Including lib/trans-xhr.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var AjaxBasedTransport = function() {};
+AjaxBasedTransport.prototype = new BufferedSender();
+
+AjaxBasedTransport.prototype.run = function(ri, trans_url,
+                                            url_suffix, Receiver, AjaxObject) {
+    var that = this;
+    that.ri = ri;
+    that.trans_url = trans_url;
+    that.send_constructor(createAjaxSender(AjaxObject));
+    that.poll = new Polling(ri, Receiver,
+                            trans_url + url_suffix, AjaxObject);
+};
+
+AjaxBasedTransport.prototype.doCleanup = function() {
+    var that = this;
+    if (that.poll) {
+        that.poll.abort();
+        that.poll = null;
+    }
+};
+
+// xhr-streaming
+var XhrStreamingTransport = SockJS['xhr-streaming'] = function(ri, trans_url) {
+    this.run(ri, trans_url, '/xhr_streaming', XhrReceiver, utils.XHRCorsObject);
+};
+
+XhrStreamingTransport.prototype = new AjaxBasedTransport();
+
+XhrStreamingTransport.enabled = function() {
+    // Support for CORS Ajax aka Ajax2? Opera 12 claims CORS but
+    // doesn't do streaming.
+    return (_window.XMLHttpRequest &&
+            'withCredentials' in new XMLHttpRequest() &&
+            (!/opera/i.test(navigator.userAgent)));
+};
+XhrStreamingTransport.roundTrips = 2; // preflight, ajax
+
+// Safari gets confused when a streaming ajax request is started
+// before onload. This causes the load indicator to spin indefinetely.
+XhrStreamingTransport.need_body = true;
+
+
+// According to:
+//   http://stackoverflow.com/questions/1641507/detect-browser-support-for-cross-domain-xmlhttprequests
+//   http://hacks.mozilla.org/2009/07/cross-site-xmlhttprequest-with-cors/
+
+
+// xdr-streaming
+var XdrStreamingTransport = SockJS['xdr-streaming'] = function(ri, trans_url) {
+    this.run(ri, trans_url, '/xhr_streaming', XhrReceiver, utils.XDRObject);
+};
+
+XdrStreamingTransport.prototype = new AjaxBasedTransport();
+
+XdrStreamingTransport.enabled = function() {
+    return !!_window.XDomainRequest;
+};
+XdrStreamingTransport.roundTrips = 2; // preflight, ajax
+
+
+
+// xhr-polling
+var XhrPollingTransport = SockJS['xhr-polling'] = function(ri, trans_url) {
+    this.run(ri, trans_url, '/xhr', XhrReceiver, utils.XHRCorsObject);
+};
+
+XhrPollingTransport.prototype = new AjaxBasedTransport();
+
+XhrPollingTransport.enabled = XhrStreamingTransport.enabled;
+XhrPollingTransport.roundTrips = 2; // preflight, ajax
+
+
+// xdr-polling
+var XdrPollingTransport = SockJS['xdr-polling'] = function(ri, trans_url) {
+    this.run(ri, trans_url, '/xhr', XhrReceiver, utils.XDRObject);
+};
+
+XdrPollingTransport.prototype = new AjaxBasedTransport();
+
+XdrPollingTransport.enabled = XdrStreamingTransport.enabled;
+XdrPollingTransport.roundTrips = 2; // preflight, ajax
+//         [*] End of lib/trans-xhr.js
+
+
+//         [*] Including lib/trans-iframe.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+// Few cool transports do work only for same-origin. In order to make
+// them working cross-domain we shall use iframe, served form the
+// remote domain. New browsers, have capabilities to communicate with
+// cross domain iframe, using postMessage(). In IE it was implemented
+// from IE 8+, but of course, IE got some details wrong:
+//    http://msdn.microsoft.com/en-us/library/cc197015(v=VS.85).aspx
+//    http://stevesouders.com/misc/test-postmessage.php
+
+var IframeTransport = function() {};
+
+IframeTransport.prototype.i_constructor = function(ri, trans_url, base_url) {
+    var that = this;
+    that.ri = ri;
+    that.origin = utils.getOrigin(base_url);
+    that.base_url = base_url;
+    that.trans_url = trans_url;
+
+    var iframe_url = base_url + '/iframe.html';
+    if (that.ri._options.devel) {
+        iframe_url += '?t=' + (+new Date);
+    }
+    that.window_id = utils.random_string(8);
+    iframe_url += '#' + that.window_id;
+
+    that.iframeObj = utils.createIframe(iframe_url, function(r) {
+                                            that.ri._didClose(1006, "Unable to load an iframe (" + r + ")");
+                                        });
+
+    that.onmessage_cb = utils.bind(that.onmessage, that);
+    utils.attachMessage(that.onmessage_cb);
+};
+
+IframeTransport.prototype.doCleanup = function() {
+    var that = this;
+    if (that.iframeObj) {
+        utils.detachMessage(that.onmessage_cb);
+        try {
+            // When the iframe is not loaded, IE raises an exception
+            // on 'contentWindow'.
+            if (that.iframeObj.iframe.contentWindow) {
+                that.postMessage('c');
+            }
+        } catch (x) {}
+        that.iframeObj.cleanup();
+        that.iframeObj = null;
+        that.onmessage_cb = that.iframeObj = null;
+    }
+};
+
+IframeTransport.prototype.onmessage = function(e) {
+    var that = this;
+    if (e.origin !== that.origin) return;
+    var window_id = e.data.slice(0, 8);
+    var type = e.data.slice(8, 9);
+    var data = e.data.slice(9);
+
+    if (window_id !== that.window_id) return;
+
+    switch(type) {
+    case 's':
+        that.iframeObj.loaded();
+        that.postMessage('s', JSON.stringify([SockJS.version, that.protocol, that.trans_url, that.base_url]));
+        break;
+    case 't':
+        that.ri._didMessage(data);
+        break;
+    }
+};
+
+IframeTransport.prototype.postMessage = function(type, data) {
+    var that = this;
+    that.iframeObj.post(that.window_id + type + (data || ''), that.origin);
+};
+
+IframeTransport.prototype.doSend = function (message) {
+    this.postMessage('m', message);
+};
+
+IframeTransport.enabled = function() {
+    // postMessage misbehaves in konqueror 4.6.5 - the messages are delivered with
+    // huge delay, or not at all.
+    var konqueror = navigator && navigator.userAgent && navigator.userAgent.indexOf('Konqueror') !== -1;
+    return ((typeof _window.postMessage === 'function' ||
+            typeof _window.postMessage === 'object') && (!konqueror));
+};
+//         [*] End of lib/trans-iframe.js
+
+
+//         [*] Including lib/trans-iframe-within.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var curr_window_id;
+
+var postMessage = function (type, data) {
+    if(parent !== _window) {
+        parent.postMessage(curr_window_id + type + (data || ''), '*');
+    } else {
+        utils.log("Can't postMessage, no parent window.", type, data);
+    }
+};
+
+var FacadeJS = function() {};
+FacadeJS.prototype._didClose = function (code, reason) {
+    postMessage('t', utils.closeFrame(code, reason));
+};
+FacadeJS.prototype._didMessage = function (frame) {
+    postMessage('t', frame);
+};
+FacadeJS.prototype._doSend = function (data) {
+    this._transport.doSend(data);
+};
+FacadeJS.prototype._doCleanup = function () {
+    this._transport.doCleanup();
+};
+
+utils.parent_origin = undefined;
+
+SockJS.bootstrap_iframe = function() {
+    var facade;
+    curr_window_id = _document.location.hash.slice(1);
+    var onMessage = function(e) {
+        if(e.source !== parent) return;
+        if(typeof utils.parent_origin === 'undefined')
+            utils.parent_origin = e.origin;
+        if (e.origin !== utils.parent_origin) return;
+
+        var window_id = e.data.slice(0, 8);
+        var type = e.data.slice(8, 9);
+        var data = e.data.slice(9);
+        if (window_id !== curr_window_id) return;
+        switch(type) {
+        case 's':
+            var p = JSON.parse(data);
+            var version = p[0];
+            var protocol = p[1];
+            var trans_url = p[2];
+            var base_url = p[3];
+            if (version !== SockJS.version) {
+                utils.log("Incompatibile SockJS! Main site uses:" +
+                          " \"" + version + "\", the iframe:" +
+                          " \"" + SockJS.version + "\".");
+            }
+            if (!utils.flatUrl(trans_url) || !utils.flatUrl(base_url)) {
+                utils.log("Only basic urls are supported in SockJS");
+                return;
+            }
+
+            if (!utils.isSameOriginUrl(trans_url) ||
+                !utils.isSameOriginUrl(base_url)) {
+                utils.log("Can't connect to different domain from within an " +
+                          "iframe. (" + JSON.stringify([_window.location.href, trans_url, base_url]) +
+                          ")");
+                return;
+            }
+            facade = new FacadeJS();
+            facade._transport = new FacadeJS[protocol](facade, trans_url, base_url);
+            break;
+        case 'm':
+            facade._doSend(data);
+            break;
+        case 'c':
+            if (facade)
+                facade._doCleanup();
+            facade = null;
+            break;
+        }
+    };
+
+    // alert('test ticker');
+    // facade = new FacadeJS();
+    // facade._transport = new FacadeJS['w-iframe-xhr-polling'](facade, 'http://host.com:9999/ticker/12/basd');
+
+    utils.attachMessage(onMessage);
+
+    // Start
+    postMessage('s');
+};
+//         [*] End of lib/trans-iframe-within.js
+
+
+//         [*] Including lib/info.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var InfoReceiver = function(base_url, AjaxObject) {
+    var that = this;
+    utils.delay(function(){that.doXhr(base_url, AjaxObject);});
+};
+
+InfoReceiver.prototype = new EventEmitter(['finish']);
+
+InfoReceiver.prototype.doXhr = function(base_url, AjaxObject) {
+    var that = this;
+    var t0 = (new Date()).getTime();
+    var xo = new AjaxObject('GET', base_url + '/info');
+
+    var tref = utils.delay(8000,
+                           function(){xo.ontimeout();});
+
+    xo.onfinish = function(status, text) {
+        clearTimeout(tref);
+        tref = null;
+        if (status === 200) {
+            var rtt = (new Date()).getTime() - t0;
+            var info = JSON.parse(text);
+            if (typeof info !== 'object') info = {};
+            that.emit('finish', info, rtt);
+        } else {
+            that.emit('finish');
+        }
+    };
+    xo.ontimeout = function() {
+        xo.close();
+        that.emit('finish');
+    };
+};
+
+var InfoReceiverIframe = function(base_url) {
+    var that = this;
+    var go = function() {
+        var ifr = new IframeTransport();
+        ifr.protocol = 'w-iframe-info-receiver';
+        var fun = function(r) {
+            if (typeof r === 'string' && r.substr(0,1) === 'm') {
+                var d = JSON.parse(r.substr(1));
+                var info = d[0], rtt = d[1];
+                that.emit('finish', info, rtt);
+            } else {
+                that.emit('finish');
+            }
+            ifr.doCleanup();
+            ifr = null;
+        };
+        var mock_ri = {
+            _options: {},
+            _didClose: fun,
+            _didMessage: fun
+        };
+        ifr.i_constructor(mock_ri, base_url, base_url);
+    }
+    if(!_document.body) {
+        utils.attachEvent('load', go);
+    } else {
+        go();
+    }
+};
+InfoReceiverIframe.prototype = new EventEmitter(['finish']);
+
+
+var InfoReceiverFake = function() {
+    // It may not be possible to do cross domain AJAX to get the info
+    // data, for example for IE7. But we want to run JSONP, so let's
+    // fake the response, with rtt=2s (rto=6s).
+    var that = this;
+    utils.delay(function() {
+        that.emit('finish', {}, 2000);
+    });
+};
+InfoReceiverFake.prototype = new EventEmitter(['finish']);
+
+var createInfoReceiver = function(base_url) {
+    if (utils.isSameOriginUrl(base_url)) {
+        // If, for some reason, we have SockJS locally - there's no
+        // need to start up the complex machinery. Just use ajax.
+        return new InfoReceiver(base_url, utils.XHRLocalObject);
+    }
+    switch (utils.isXHRCorsCapable()) {
+    case 1:
+        // XHRLocalObject -> no_credentials=true
+        return new InfoReceiver(base_url, utils.XHRLocalObject);
+    case 2:
+        return new InfoReceiver(base_url, utils.XDRObject);
+    case 3:
+        // Opera
+        return new InfoReceiverIframe(base_url);
+    default:
+        // IE 7
+        return new InfoReceiverFake();
+    };
+};
+
+
+var WInfoReceiverIframe = FacadeJS['w-iframe-info-receiver'] = function(ri, _trans_url, base_url) {
+    var ir = new InfoReceiver(base_url, utils.XHRLocalObject);
+    ir.onfinish = function(info, rtt) {
+        ri._didMessage('m'+JSON.stringify([info, rtt]));
+        ri._didClose();
+    }
+};
+WInfoReceiverIframe.prototype.doCleanup = function() {};
+//         [*] End of lib/info.js
+
+
+//         [*] Including lib/trans-iframe-eventsource.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var EventSourceIframeTransport = SockJS['iframe-eventsource'] = function () {
+    var that = this;
+    that.protocol = 'w-iframe-eventsource';
+    that.i_constructor.apply(that, arguments);
+};
+
+EventSourceIframeTransport.prototype = new IframeTransport();
+
+EventSourceIframeTransport.enabled = function () {
+    return ('EventSource' in _window) && IframeTransport.enabled();
+};
+
+EventSourceIframeTransport.need_body = true;
+EventSourceIframeTransport.roundTrips = 3; // html, javascript, eventsource
+
+
+// w-iframe-eventsource
+var EventSourceTransport = FacadeJS['w-iframe-eventsource'] = function(ri, trans_url) {
+    this.run(ri, trans_url, '/eventsource', EventSourceReceiver, utils.XHRLocalObject);
+}
+EventSourceTransport.prototype = new AjaxBasedTransport();
+//         [*] End of lib/trans-iframe-eventsource.js
+
+
+//         [*] Including lib/trans-iframe-xhr-polling.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var XhrPollingIframeTransport = SockJS['iframe-xhr-polling'] = function () {
+    var that = this;
+    that.protocol = 'w-iframe-xhr-polling';
+    that.i_constructor.apply(that, arguments);
+};
+
+XhrPollingIframeTransport.prototype = new IframeTransport();
+
+XhrPollingIframeTransport.enabled = function () {
+    return _window.XMLHttpRequest && IframeTransport.enabled();
+};
+
+XhrPollingIframeTransport.need_body = true;
+XhrPollingIframeTransport.roundTrips = 3; // html, javascript, xhr
+
+
+// w-iframe-xhr-polling
+var XhrPollingITransport = FacadeJS['w-iframe-xhr-polling'] = function(ri, trans_url) {
+    this.run(ri, trans_url, '/xhr', XhrReceiver, utils.XHRLocalObject);
+};
+
+XhrPollingITransport.prototype = new AjaxBasedTransport();
+//         [*] End of lib/trans-iframe-xhr-polling.js
+
+
+//         [*] Including lib/trans-iframe-htmlfile.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+// This transport generally works in any browser, but will cause a
+// spinning cursor to appear in any browser other than IE.
+// We may test this transport in all browsers - why not, but in
+// production it should be only run in IE.
+
+var HtmlFileIframeTransport = SockJS['iframe-htmlfile'] = function () {
+    var that = this;
+    that.protocol = 'w-iframe-htmlfile';
+    that.i_constructor.apply(that, arguments);
+};
+
+// Inheritance.
+HtmlFileIframeTransport.prototype = new IframeTransport();
+
+HtmlFileIframeTransport.enabled = function() {
+    return IframeTransport.enabled();
+};
+
+HtmlFileIframeTransport.need_body = true;
+HtmlFileIframeTransport.roundTrips = 3; // html, javascript, htmlfile
+
+
+// w-iframe-htmlfile
+var HtmlFileTransport = FacadeJS['w-iframe-htmlfile'] = function(ri, trans_url) {
+    this.run(ri, trans_url, '/htmlfile', HtmlfileReceiver, utils.XHRLocalObject);
+};
+HtmlFileTransport.prototype = new AjaxBasedTransport();
+//         [*] End of lib/trans-iframe-htmlfile.js
+
+
+//         [*] Including lib/trans-polling.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var Polling = function(ri, Receiver, recv_url, AjaxObject) {
+    var that = this;
+    that.ri = ri;
+    that.Receiver = Receiver;
+    that.recv_url = recv_url;
+    that.AjaxObject = AjaxObject;
+    that._scheduleRecv();
+};
+
+Polling.prototype._scheduleRecv = function() {
+    var that = this;
+    var poll = that.poll = new that.Receiver(that.recv_url, that.AjaxObject);
+    var msg_counter = 0;
+    poll.onmessage = function(e) {
+        msg_counter += 1;
+        that.ri._didMessage(e.data);
+    };
+    poll.onclose = function(e) {
+        that.poll = poll = poll.onmessage = poll.onclose = null;
+        if (!that.poll_is_closing) {
+            if (e.reason === 'permanent') {
+                that.ri._didClose(1006, 'Polling error (' + e.reason + ')');
+            } else {
+                that._scheduleRecv();
+            }
+        }
+    };
+};
+
+Polling.prototype.abort = function() {
+    var that = this;
+    that.poll_is_closing = true;
+    if (that.poll) {
+        that.poll.abort();
+    }
+};
+//         [*] End of lib/trans-polling.js
+
+
+//         [*] Including lib/trans-receiver-eventsource.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var EventSourceReceiver = function(url) {
+    var that = this;
+    var es = new EventSource(url);
+    es.onmessage = function(e) {
+        that.dispatchEvent(new SimpleEvent('message',
+                                           {'data': unescape(e.data)}));
+    };
+    that.es_close = es.onerror = function(e, abort_reason) {
+        // ES on reconnection has readyState = 0 or 1.
+        // on network error it's CLOSED = 2
+        var reason = abort_reason ? 'user' :
+            (es.readyState !== 2 ? 'network' : 'permanent');
+        that.es_close = es.onmessage = es.onerror = null;
+        // EventSource reconnects automatically.
+        es.close();
+        es = null;
+        // Safari and chrome < 15 crash if we close window before
+        // waiting for ES cleanup. See:
+        //   https://code.google.com/p/chromium/issues/detail?id=89155
+        utils.delay(200, function() {
+                        that.dispatchEvent(new SimpleEvent('close', {reason: reason}));
+                    });
+    };
+};
+
+EventSourceReceiver.prototype = new REventTarget();
+
+EventSourceReceiver.prototype.abort = function() {
+    var that = this;
+    if (that.es_close) {
+        that.es_close({}, true);
+    }
+};
+//         [*] End of lib/trans-receiver-eventsource.js
+
+
+//         [*] Including lib/trans-receiver-htmlfile.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var _is_ie_htmlfile_capable;
+var isIeHtmlfileCapable = function() {
+    if (_is_ie_htmlfile_capable === undefined) {
+        if ('ActiveXObject' in _window) {
+            try {
+                _is_ie_htmlfile_capable = !!new ActiveXObject('htmlfile');
+            } catch (x) {}
+        } else {
+            _is_ie_htmlfile_capable = false;
+        }
+    }
+    return _is_ie_htmlfile_capable;
+};
+
+
+var HtmlfileReceiver = function(url) {
+    var that = this;
+    utils.polluteGlobalNamespace();
+
+    that.id = 'a' + utils.random_string(6, 26);
+    url += ((url.indexOf('?') === -1) ? '?' : '&') +
+        'c=' + escape(WPrefix + '.' + that.id);
+
+    var constructor = isIeHtmlfileCapable() ?
+        utils.createHtmlfile : utils.createIframe;
+
+    var iframeObj;
+    _window[WPrefix][that.id] = {
+        start: function () {
+            iframeObj.loaded();
+        },
+        message: function (data) {
+            that.dispatchEvent(new SimpleEvent('message', {'data': data}));
+        },
+        stop: function () {
+            that.iframe_close({}, 'network');
+        }
+    };
+    that.iframe_close = function(e, abort_reason) {
+        iframeObj.cleanup();
+        that.iframe_close = iframeObj = null;
+        delete _window[WPrefix][that.id];
+        that.dispatchEvent(new SimpleEvent('close', {reason: abort_reason}));
+    };
+    iframeObj = constructor(url, function(e) {
+                                that.iframe_close({}, 'permanent');
+                            });
+};
+
+HtmlfileReceiver.prototype = new REventTarget();
+
+HtmlfileReceiver.prototype.abort = function() {
+    var that = this;
+    if (that.iframe_close) {
+        that.iframe_close({}, 'user');
+    }
+};
+//         [*] End of lib/trans-receiver-htmlfile.js
+
+
+//         [*] Including lib/trans-receiver-xhr.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+var XhrReceiver = function(url, AjaxObject) {
+    var that = this;
+    var buf_pos = 0;
+
+    that.xo = new AjaxObject('POST', url, null);
+    that.xo.onchunk = function(status, text) {
+        if (status !== 200) return;
+        while (1) {
+            var buf = text.slice(buf_pos);
+            var p = buf.indexOf('\n');
+            if (p === -1) break;
+            buf_pos += p+1;
+            var msg = buf.slice(0, p);
+            that.dispatchEvent(new SimpleEvent('message', {data: msg}));
+        }
+    };
+    that.xo.onfinish = function(status, text) {
+        that.xo.onchunk(status, text);
+        that.xo = null;
+        var reason = status === 200 ? 'network' : 'permanent';
+        that.dispatchEvent(new SimpleEvent('close', {reason: reason}));
+    }
+};
+
+XhrReceiver.prototype = new REventTarget();
+
+XhrReceiver.prototype.abort = function() {
+    var that = this;
+    if (that.xo) {
+        that.xo.close();
+        that.dispatchEvent(new SimpleEvent('close', {reason: 'user'}));
+        that.xo = null;
+    }
+};
+//         [*] End of lib/trans-receiver-xhr.js
+
+
+//         [*] Including lib/test-hooks.js
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Copyright (c) 2011-2012 VMware, Inc.
+ *
+ * For the license see COPYING.
+ * ***** END LICENSE BLOCK *****
+ */
+
+// For testing
+SockJS.getUtils = function(){
+    return utils;
+};
+
+SockJS.getIframeTransport = function(){
+    return IframeTransport;
+};
+//         [*] End of lib/test-hooks.js
+
+                  return SockJS;
+          })();
+if ('_sockjs_onload' in window) setTimeout(_sockjs_onload, 1);
+
+// AMD compliance
+if (typeof define === 'function' && define.amd) {
+    define('sockjs', [], function(){return SockJS;});
+}
+//     [*] End of lib/index.js
+
+// [*] End of lib/all.js
+
diff --git a/dist/sockjs.min.js b/dist/sockjs.min.js
new file mode 100644
index 0000000..baae376
--- /dev/null
+++ b/dist/sockjs.min.js
@@ -0,0 +1,27 @@
+/* SockJS client, version 0.3.4, http://sockjs.org, MIT License
+
+Copyright (c) 2011-2012 VMware, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+// JSON2 by Douglas Crockford (minified).
+var JSON;JSON||(JSON={}),function(){function str(a,b){var c,d,e,f,g=gap,h,i=b[a];i&&typeof i=="object"&&typeof i.toJSON=="function"&&(i=i.toJSON(a)),typeof rep=="function"&&(i=rep.call(b,a,i));switch(typeof i){case"string":return quote(i);case"number":return isFinite(i)?String(i):"null";case"boolean":case"null":return String(i);case"object":if(!i)return"null";gap+=indent,h=[];if(Object.prototype.toString.apply(i)==="[object Array]"){f=i.length;for(c=0;c<f;c+=1)h[c]=str(c,i)||"null";e=h.l [...]
+
+SockJS=function(){var a=document,b=window,c={},d=function(){};d.prototype.addEventListener=function(a,b){this._listeners||(this._listeners={}),a in this._listeners||(this._listeners[a]=[]);var d=this._listeners[a];c.arrIndexOf(d,b)===-1&&d.push(b);return},d.prototype.removeEventListener=function(a,b){if(!(this._listeners&&a in this._listeners))return;var d=this._listeners[a],e=c.arrIndexOf(d,b);if(e!==-1){d.length>1?this._listeners[a]=d.slice(0,e).concat(d.slice(e+1)):delete this._listen [...]

-- 
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