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/** Socket.IO 0.6 - Built with build.js */
/**
 * Socket.IO client
 * 
 * @author Guillermo Rauch <guillermo@learnboost.com>
 * @license The MIT license.
 * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
 */

this.io = {
	version: '0.6',
	
	setPath: function(path){
		if (window.console && console.error) console.error('io.setPath will be removed. Please set the variable WEB_SOCKET_SWF_LOCATION pointing to WebSocketMain.swf');
		this.path = /\/$/.test(path) ? path : path + '/';
		WEB_SOCKET_SWF_LOCATION = path + 'flashsocket/WebSocketMain.swf';
	}
};

if ('jQuery' in this) jQuery.io = this.io;

if (typeof window != 'undefined'){
    //WEB_SOCKET_SWF_LOCATION = (document.location.protocol == 'https:' ? 'https:' : 'http:') + '//cdn.socket.io/' + this.io.version + '/WebSocketMain.swf';
    if (typeof WEB_SOCKET_SWF_LOCATION === 'undefined')
        WEB_SOCKET_SWF_LOCATION = '/socket.io/flashsocket/WebSocketMain.swf';
}
/**
 * Socket.IO client
 * 
 * @author Guillermo Rauch <guillermo@learnboost.com>
 * @license The MIT license.
 * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
 */

(function(){

	var _pageLoaded = false;

	io.util = {

		ios: false,

		load: function(fn){
			if (document.readyState == 'complete' || _pageLoaded) return fn();
			if ('attachEvent' in window){
				window.attachEvent('onload', fn);
			} else {
				window.addEventListener('load', fn, false);
			}
		},

		inherit: function(ctor, superCtor){
			// no support for `instanceof` for now
			for (var i in superCtor.prototype){
				ctor.prototype[i] = superCtor.prototype[i];
			}
		},

		indexOf: function(arr, item, from){
			for (var l = arr.length, i = (from < 0) ? Math.max(0, l + from) : from || 0; i < l; i++){
				if (arr[i] === item) return i;
			}
			return -1;
		},

		isArray: function(obj){
			return Object.prototype.toString.call(obj) === '[object Array]';
		},
		
		merge: function(target, additional){
			for (var i in additional)
				if (additional.hasOwnProperty(i))
					target[i] = additional[i];
		}

	};

	io.util.ios = /iphone|ipad/i.test(navigator.userAgent);
	io.util.android = /android/i.test(navigator.userAgent);
	io.util.opera = /opera/i.test(navigator.userAgent);

	io.util.load(function(){
		_pageLoaded = true;
	});

})();
/**
 * Socket.IO client
 * 
 * @author Guillermo Rauch <guillermo@learnboost.com>
 * @license The MIT license.
 * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
 */

// abstract

(function(){
	
	var Frame = {
			//
			FRAME_CHAR: '~',
			// Control Codes
			CLOSE_CODE: 0,
			SESSION_ID_CODE: 1,
			TIMEOUT_CODE: 2,
			PING_CODE: 3,
			PONG_CODE: 4,
			DATA_CODE: 0xE,
			FRAGMENT_CODE: 0xF,

			// Core Message Types
			TEXT_MESSAGE_TYPE: 0,
			JSON_MESSAGE_TYPE: 1,
			
			// Methods
			encode: function(ftype, mtype, data) {
				if (!!mtype) {
					return this.FRAME_CHAR + ftype.toString(16) + mtype.toString(16)
							+ this.FRAME_CHAR + data.length.toString(16)
							+ this.FRAME_CHAR + data;
				} else {
					return this.FRAME_CHAR + ftype.toString(16)
							+ this.FRAME_CHAR + data.length.toString(16)
							+ this.FRAME_CHAR + data;
				}
			},
			
			decode: function(data) {
				var frames = [];
				var idx = 0;
				var start = 0;
				var end = 0;
				var ftype = 0;
				var mtype = 0;
				var size = 0;

				// Parse the data and silently ignore any part that fails to parse properly.
				while (data.length > idx && data.charAt(idx) == this.FRAME_CHAR) {
					ftype = 0;
					mtype = 0;
					start = idx + 1;
					end = data.indexOf(this.FRAME_CHAR, start);

					if (-1 == end || start == end ||
						!/[0-9A-Fa-f]+/.test(data.substring(start, end))) {
						break;
					}
					
					ftype = parseInt(data.substring(start, start+1), 16);

					if (end-start > 1) {
						if (ftype == this.DATA_CODE || ftype == this.FRAGEMENT_CODE) {
							mtype = parseInt(data.substring(start+1, end), 16);
						} else {
							break;
						}
					}

					start = end + 1;
					end = data.indexOf(this.FRAME_CHAR, start);

					if (-1 == end || start == end ||
						!/[0-9A-Fa-f]+/.test(data.substring(start, end))) {
						break;
					}
					
					var size = parseInt(data.substring(start, end), 16);

					start = end + 1;
					end = start + size;

					if (data.length < end) {
						break;
					}

					frames.push({ftype: ftype, mtype: mtype, data: data.substring(start, end)});
					idx = end;
				}
				return frames;
			}
	};
	
	Transport = io.Transport = function(base, options){
		this.base = base;
		this.options = {
			timeout: 15000 // based on heartbeat interval default
		};
		io.util.merge(this.options, options);
		this.message_id = 0;
	};

	Transport.prototype.send = function(mtype, data){
		this.message_id++;
		this.rawsend(Frame.encode(Frame.DATA_CODE, mtype, data));
	};

	Transport.prototype.rawsend = function(){
		throw new Error('Missing send() implementation');
	};

	Transport.prototype._destroy = function(){
		throw new Error('Missing _destroy() implementation');
	};

	Transport.prototype.connect = function(){
		throw new Error('Missing connect() implementation');
	};

	Transport.prototype.disconnect = function(){
		throw new Error('Missing disconnect() implementation');
	};

	Transport.prototype.close = function() {
		this.close_id = 'client';
		this.rawsend(Frame.encode(Frame.CLOSE_CODE, null, this.close_id));
	};
	
	Transport.prototype._onData = function(data){
		this._setTimeout();
		var msgs = Frame.decode(data);
		if (msgs && msgs.length){
			for (var i = 0, l = msgs.length; i < l; i++){
				this._onMessage(msgs[i]);
			}
		}
	};
	
	Transport.prototype._setTimeout = function(){
		var self = this;
		if (this._timeout) clearTimeout(this._timeout);
		this._timeout = setTimeout(function(){
			self._onTimeout();
		}, this.options.timeout);
	};
	
	Transport.prototype._onTimeout = function(){
		this._timedout = true;
		if (!!this._interval) {
			clearInterval(this._interval);
			this._interval = null;
		}
		this.disconnect();
	};
	
	Transport.prototype._onMessage = function(message){
		if (!this.sessionid){
			if (message.ftype == Frame.SESSION_ID_CODE) {
				this.sessionid = message.data;
				this._onConnect();
			} else {
				this._onDisconnect(this.base.DR_ERROR, "First frame wasn't the sesion ID!");
			}
		} else if (message.ftype == Frame.TIMEOUT_CODE) {
			hg_interval = Number(message.data);
			if (message.data == hg_interval) {
				this.options.timeout = hg_interval*2; // Set timeout to twice the new heartbeat interval
				this._setTimeout();
			}
		} else if (message.ftype == Frame.CLOSE_CODE) {
			this._onCloseFrame(message.data);
		} else if (message.ftype == Frame.PING_CODE) {
			this._onPingFrame(message.data);
		} else if (message.ftype == Frame.DATA_CODE) {
			this.base._onMessage(message.mtype, message.data);
		} else {
			// For now we'll ignore other frame types.
		}
	},
	
	Transport.prototype._onPingFrame = function(data){
		this.rawsend(Frame.encode(Frame.PONG_CODE, null, data));
	};
	
	Transport.prototype._onConnect = function(){
		this.base._onConnect();
		this._setTimeout();
	};

	Transport.prototype._onCloseFrame = function(data){
		if (this.base.socketState == this.base.CLOSING) {
			if (!!this.close_id && this.close_id == data) {
				this.base.socketState = this.base.CLOSED;
				this.disconnect();
			} else {
				/*
				 * It's possible the server initiated a close at the same time we did and our
				 * initial close messages passed each other like ships in the night. So, to be nice
				 * we'll send an acknowledge of the server's close message.
				 */
				this.rawsend(Frame.encode(Frame.CLOSE_CODE, null, data));
			}
		} else {
			this.base.socketState = this.base.CLOSING;
			this.disconnectWhenEmpty = true;
			this.rawsend(Frame.encode(Frame.CLOSE_CODE, null, data));
		}
	};
	
	Transport.prototype._onDisconnect = function(reason, error){
		if (this._timeout) clearTimeout(this._timeout);
		this.sessionid = null;
		this.disconnectWhenEmpty = false;
		if (this._timedout) {
			reason = this.base.DR_TIMEOUT;
			error = null;
		}
		this.base._onDisconnect(reason, error);
	};

	Transport.prototype._prepareUrl = function(){
		return (this.base.options.secure ? 'https' : 'http') 
			+ '://' + this.base.host 
			+ ':' + this.base.options.port
			+ '/' + this.base.options.resource
			+ '/' + this.type
			+ (this.sessionid ? ('/' + this.sessionid) : '/');
	};

})();
/**
 * Socket.IO client
 * 
 * @author Guillermo Rauch <guillermo@learnboost.com>
 * @license The MIT license.
 * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
 */

(function(){
	
	var empty = new Function,
	    
	XMLHttpRequestCORS = (function(){
		if (!('XMLHttpRequest' in window)) return false;
		// CORS feature detection
		var a = new XMLHttpRequest();
		return a.withCredentials != undefined;
	})(),
	
	request = function(xdomain){
		if ('XDomainRequest' in window && xdomain) return new XDomainRequest();
		if ('XMLHttpRequest' in window && (!xdomain || XMLHttpRequestCORS)) return new XMLHttpRequest();
		if (!xdomain){
			try {
				var a = new ActiveXObject('MSXML2.XMLHTTP');
				return a;
			} catch(e){}
		
			try {
				var b = new ActiveXObject('Microsoft.XMLHTTP');
				return b;
			} catch(e){}
		}
		return false;
	},
	
	XHR = io.Transport.XHR = function(){
		io.Transport.apply(this, arguments);
		this._sendBuffer = [];
	};
	
	io.util.inherit(XHR, io.Transport);
	
	XHR.prototype.connect = function(){
		this._get();
		return this;
	};
	
	XHR.prototype._checkSend = function(){
		if (!this._posting && this._sendBuffer.length){
			var data = '';
			for (var i = 0, l = this._sendBuffer.length; i < l; i++){
				data += this._sendBuffer[i];
			}
			this._sendBuffer = [];
			this._send(data);
		} else if (!!this.disconnectWhenEmpty) {
			this.disconnect();
		}
	};
	
	XHR.prototype.rawsend = function(data){
		if (io.util.isArray(data)){
			this._sendBuffer.push.apply(this._sendBuffer, data);
		} else {
			this._sendBuffer.push(data);
		}
		this._checkSend();
		return this;
	};
	
	XHR.prototype._send = function(data){
		var self = this;
		this._posting = true;
		this._sendXhr = this._request('send', 'POST');
		this._sendXhr.onreadystatechange = function(){
			var status;
			if (self._sendXhr.readyState == 4){
				self._sendXhr.onreadystatechange = empty;
				try { status = self._sendXhr.status; } catch(e){}
				self._posting = false;
				if (status == 200){
					self._checkSend();
				} else {
					self._onDisconnect(self.base.DR_ERROR, "POST failed!");
				}
			}
		};
		this._sendXhr.send(data);
	};
	
	XHR.prototype.disconnect = function(){
		// send disconnection signal
		this._onDisconnect();
		return this;
	};
	
	XHR.prototype._destroy = function(){
		if (this._xhr){
			this._xhr.onreadystatechange = this._xhr.onload = empty;
			this._xhr.abort();
			this._xhr = null;
		}
		if (this._sendXhr){
			this._sendXhr.onreadystatechange = this._sendXhr.onload = empty;
			this._sendXhr.abort();
			this._posting = false;
			this._sendXhr = null;
		}
		this._sendBuffer = [];
	};
	
	XHR.prototype._onDisconnect = function(reason, error){
		this._destroy();
		io.Transport.prototype._onDisconnect.call(this, reason, error);
	};
	
	XHR.prototype._request = function(url, method, multipart){
		var req = request(this.base._isXDomain());
		if (multipart) req.multipart = true;
		req.open(method || 'GET', this._prepareUrl() + (url ? '/' + url : ''));
		if (method == 'POST' && 'setRequestHeader' in req){
			req.setRequestHeader('Content-type', 'text/plain; charset=utf-8');
		}
		return req;
	};
	
	XHR.check = function(xdomain){
		try {
			if (request(xdomain)) return true;
		} catch(e){}
		return false;
	};
	
	XHR.xdomainCheck = function(){
		return XHR.check(true);
	};
	
	XHR.request = request;
	
})();
/**
 * Socket.IO client
 * 
 * @author Guillermo Rauch <guillermo@learnboost.com>
 * @license The MIT license.
 * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
 */

(function(){
	
	var WS = io.Transport.websocket = function(){
		io.Transport.apply(this, arguments);
	};
	
	io.util.inherit(WS, io.Transport);
	
	WS.prototype.type = 'websocket';
	
	WS.prototype.connect = function(){
		var self = this;
		this.socket = new WebSocket(this._prepareUrl());
		this.socket.onmessage = function(ev){ self._onData(ev.data); };
		this.socket.onopen = function(ev){ self._onOpen(); };
		this.socket.onclose = function(ev){ self._onClose(); };
		return this;
	};

	WS.prototype.rawsend = function(data){
		if (this.socket) this.socket.send(data);
		
		/*
		 * This rigmarole is required because the WebSockets specification doesn't say what happens
		 * to buffered data when close() is called. It cannot be assumed that buffered data is
		 * transmitted before the connection is close.
		 */
		if (!!this.disconnectWhenEmpty && !this._interval) {
			var self = this;
			self._interval = setInterval(function() {
				if (self.socket.bufferedAmount == 0) {
					self.disconnect();
					clearInterval(self._interval);
				} else if (!self.disconnectWhenEmpty ||
						   self.socket.readyState == self.socket.CLOSED) {
					clearInterval(self._interval);
				}
			}, 50);
		}
		return this;
	};
	
	WS.prototype.disconnect = function(){
		this.disconnectCalled = true;
		if (this.socket) this.socket.close();
		return this;
	};

	WS.prototype._destroy = function(){
		if (this.socket) {
			this.socket.onclose = null;
			this.socket.onopen = null;
			this.socket.onmessage = null;
			this.socket.close();
			this.socket = null;
		}
		return this;
	};

	WS.prototype._onOpen = function(){
		// This is needed because the 7.1.6 version of jetty's WebSocket fails if messages are
		// sent from inside WebSocket.onConnect() method. 
		this.socket.send('OPEN');
		return this;
	};
	
	WS.prototype._onClose = function(){
		if (!!this.disconnectCalled || this.base.socketState == this.base.CLOSED) {
			this.disconnectCalled = false;
			this._onDisconnect();
		} else {
			this._onDisconnect(this.base.DR_ERROR, "WebSocket closed unexpectedly");
		}
		return this;
	};
	
	WS.prototype._prepareUrl = function(){
		return (this.base.options.secure ? 'wss' : 'ws') 
		+ '://' + this.base.host 
		+ ':' + this.base.options.port
		+ '/' + this.base.options.resource
		+ '/' + this.type
		+ (this.sessionid ? ('/' + this.sessionid) : '');
	};
	
	WS.check = function(){
		// we make sure WebSocket is not confounded with a previously loaded flash WebSocket
		return 'WebSocket' in window && WebSocket.prototype && ( WebSocket.prototype.send && !!WebSocket.prototype.send.toString().match(/native/i)) && typeof WebSocket !== "undefined";
	};

	WS.xdomainCheck = function(){
		return true;
	};
	
})();
/**
 * Socket.IO client
 * 
 * @author Guillermo Rauch <guillermo@learnboost.com>
 * @license The MIT license.
 * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
 */

(function(){
	
	var Flashsocket = io.Transport.flashsocket = function(){
		io.Transport.websocket.apply(this, arguments);
	};
	
	io.util.inherit(Flashsocket, io.Transport.websocket);
	
	Flashsocket.prototype.type = 'flashsocket';
	
	Flashsocket.prototype.connect = function(){
		var self = this, args = arguments;
		WebSocket.__addTask(function(){
			io.Transport.websocket.prototype.connect.apply(self, args);
		});
		return this;
	};
	
	Flashsocket.prototype.send = function(){
		var self = this, args = arguments;
		WebSocket.__addTask(function(){
			io.Transport.websocket.prototype.send.apply(self, args);
		});
		return this;
	};
	
	Flashsocket.check = function(){
		if (typeof WebSocket == 'undefined' || !('__addTask' in WebSocket)) return false;
		if (io.util.opera) return false; // opera is buggy with this transport
		if ('navigator' in window && 'plugins' in navigator && navigator.plugins['Shockwave Flash']){
			return !!navigator.plugins['Shockwave Flash'].description;
	  }
		if ('ActiveXObject' in window) {
			try {
				return !!new ActiveXObject('ShockwaveFlash.ShockwaveFlash').GetVariable('$version');
			} catch (e) {}
		}
		return false;
	};
	
	Flashsocket.xdomainCheck = function(){
		return true;
	};
	
})();
/**
 * Socket.IO client
 * 
 * @author Guillermo Rauch <guillermo@learnboost.com>
 * @license The MIT license.
 * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
 */

(function(){
	
	var HTMLFile = io.Transport.htmlfile = function(){
		io.Transport.XHR.apply(this, arguments);
	};
	
	io.util.inherit(HTMLFile, io.Transport.XHR);
	
	HTMLFile.prototype.type = 'htmlfile';
	
	HTMLFile.prototype._get = function(){
		var self = this;
		this._open();
		window.attachEvent('onunload', function(){ self._destroy(); });
	};
	
	HTMLFile.prototype._open = function(){
		this._doc = new ActiveXObject('htmlfile');
		this._doc.open();
		this._doc.write('<html></html>');
		this._doc.parentWindow.s = this;
		this._doc.close();

		var _iframeC = this._doc.createElement('div');
		this._doc.body.appendChild(_iframeC);
		this._iframe = this._doc.createElement('iframe');
		_iframeC.appendChild(this._iframe);
		this._iframe.src = this._prepareUrl() + '/' + (+ new Date);
	};
	
	HTMLFile.prototype._ = function(data, doc){
		this._onData(data);
		var script = doc.getElementsByTagName('script')[0];
		script.parentNode.removeChild(script);
	};

	HTMLFile.prototype._destroy = function(){
		if (this._iframe){
			this._iframe.src = 'about:blank';
			this._doc = null;
			CollectGarbage();
		}
  };
	
	HTMLFile.prototype.disconnect = function(){
		this._destroy();
		return io.Transport.XHR.prototype.disconnect.call(this);
	};
	
	HTMLFile.check = function(){
		if ('ActiveXObject' in window){
			try {
				var a = new ActiveXObject('htmlfile');
				return a && io.Transport.XHR.check();
			} catch(e){}
		}
		return false;
	};

	HTMLFile.xdomainCheck = function(){
		// we can probably do handling for sub-domains, we should test that it's cross domain but a subdomain here
		return false;
	};
	
})();
/**
 * Socket.IO client
 * 
 * @author Guillermo Rauch <guillermo@learnboost.com>
 * @license The MIT license.
 * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
 */

(function(){
	
	var XHRMultipart = io.Transport['xhr-multipart'] = function(){
		io.Transport.XHR.apply(this, arguments);
	};
	
	io.util.inherit(XHRMultipart, io.Transport.XHR);
	
	XHRMultipart.prototype.type = 'xhr-multipart';
	
	XHRMultipart.prototype._get = function(){
		var self = this;
		var lastReadyState = 4;
		this._xhr = this._request('', 'GET', true);
		this._xhr.onreadystatechange = function(){
			// Normally the readyState will progress from 1-4 (e.g. 1,2,3,4) for a normal part.
			// But on disconnect, the readyState will go from 1 to 4 skipping 2 and 3.
			// Thanks to Wilfred Nilsen (http://www.mail-archive.com/mozilla-xpcom@mozilla.org/msg04845.html) for discovering this.
			// So, if the readyState skips a step and equals 4, then the connection has dropped.
			if (self._xhr.readyState - lastReadyState > 1 && self._xhr.readyState == 4) {
				self._onDisconnect(self.base.DR_ERROR, "XHR Connection dropped unexpectedly");
			} else {
				lastReadyState = self._xhr.readyState;
				if (self._xhr.readyState == 3) {
					self._onData(self._xhr.responseText);
				}
			}
		};
		this._xhr.send();
	};
	
	XHRMultipart.check = function(){
		return 'XMLHttpRequest' in window && 'prototype' in XMLHttpRequest && 'multipart' in XMLHttpRequest.prototype;
	};

	XHRMultipart.xdomainCheck = function(){
		return true;
	};
	
})();
/**
 * Socket.IO client
 * 
 * @author Guillermo Rauch <guillermo@learnboost.com>
 * @license The MIT license.
 * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
 */

(function(){

	var empty = new Function(),

	XHRPolling = io.Transport['xhr-polling'] = function(){
		io.Transport.XHR.apply(this, arguments);
	};

	io.util.inherit(XHRPolling, io.Transport.XHR);

	XHRPolling.prototype.type = 'xhr-polling';

	XHRPolling.prototype.connect = function(){
		if (io.util.ios || io.util.android){
			var self = this;
			io.util.load(function(){
				setTimeout(function(){
					io.Transport.XHR.prototype.connect.call(self);
				}, 10);
			});
		} else {
			io.Transport.XHR.prototype.connect.call(this);
		}
	};

	XHRPolling.prototype._get = function(){
		var self = this;
		this._xhr = this._request(+ new Date, 'GET');
		if ('onload' in this._xhr){
			this._xhr.onload = function(){
				var status;
				try { status = self._xhr.status; } catch(e){}
				if (status == 200){
					self._onData(this.responseText);
					self._get();
				} else {
					self._onDisconnect();
                }
			};
			this._xhr.onerror = function(){
				self._onDisconnect();
			};
		} else {
			this._xhr.onreadystatechange = function(){
				var status;
				if (self._xhr.readyState == 4){
					self._xhr.onreadystatechange = empty;
					try { status = self._xhr.status; } catch(e){}
					if (status == 200){
						self._onData(self._xhr.responseText);
						self._get();
					} else {
						self._onDisconnect();
					}
				}
			};
		}
		this._xhr.send();
	};

	XHRPolling.check = function(){
		return io.Transport.XHR.check();
	};

	XHRPolling.xdomainCheck = function(){
		return io.Transport.XHR.xdomainCheck();
	};

})();
/**
 * Socket.IO client
 * 
 * @author Guillermo Rauch <guillermo@learnboost.com>
 * @license The MIT license.
 * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
 */

io.JSONP = [];

JSONPPolling = io.Transport['jsonp-polling'] = function(){
	io.Transport.XHR.apply(this, arguments);
	this._insertAt = document.getElementsByTagName('script')[0];
	this._index = io.JSONP.length;
	io.JSONP.push(this);
};

io.util.inherit(JSONPPolling, io.Transport['xhr-polling']);

JSONPPolling.prototype.type = 'jsonp-polling';

JSONPPolling.prototype._send = function(data){
	var self = this;
	if (!('_form' in this)){
		var form = document.createElement('FORM'),
		    area = document.createElement('TEXTAREA'),
		    id = this._iframeId = 'socket_io_iframe_' + this._index,
		    iframe;

		form.style.position = 'absolute';
		form.style.top = '-1000px';
		form.style.left = '-1000px';
		form.target = id;
		form.method = 'POST';
		form.action = this._prepareUrl() + '/' + (+new Date) + '/' + this._index;
		area.name = 'data';
		form.appendChild(area);
		this._insertAt.parentNode.insertBefore(form, this._insertAt);
		document.body.appendChild(form);

		this._form = form;
		this._area = area;
	}

	function complete(){
		initIframe();
		self._posting = false;
		self._checkSend();
	};

	function initIframe(){
		if (self._iframe){
			self._form.removeChild(self._iframe);
		} 

		try {
			// ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
			iframe = document.createElement('<iframe name="'+ self._iframeId +'">');
		} catch(e){
			iframe = document.createElement('iframe');
			iframe.name = self._iframeId;
		}

		iframe.id = self._iframeId;

		self._form.appendChild(iframe);
		self._iframe = iframe;
	};

	initIframe();

	this._posting = true;
	this._area.value = data;

	try {
		this._form.submit();
	} catch(e){}

	if (this._iframe.attachEvent){
		iframe.onreadystatechange = function(){
			if (self._iframe.readyState == 'complete') complete();
		};
	} else {
		this._iframe.onload = complete;
	}
};

JSONPPolling.prototype._get = function(){
	var self = this,
			script = document.createElement('SCRIPT');
	if (this._script){
		this._script.parentNode.removeChild(this._script);
		this._script = null;
	}
	script.async = true;
	script.src = this._prepareUrl() + '/' + (+new Date) + '/' + this._index;
	script.onerror = function(){
		self._onDisconnect();
	};
	this._insertAt.parentNode.insertBefore(script, this._insertAt);
	this._script = script;
};

JSONPPolling.prototype._ = function(){
	this._onData.apply(this, arguments);
	this._get();
	return this;
};

JSONPPolling.check = function(){
	return true;
};

JSONPPolling.xdomainCheck = function(){
	return true;
};
/**
 * Socket.IO client
 * 
 * @author Guillermo Rauch <guillermo@learnboost.com>
 * @license The MIT license.
 * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
 */

(function(){
	
	var Socket = io.Socket = function(host, options){
		this.host = host || document.domain;
		io.util.merge(this.options, options);
		this.transport = this.getTransport();
		if (!this.transport && 'console' in window) console.error('No transport available');
	};

	// Constants
	// Socket state
	Socket.prototype.CONNECTING = 0;
	Socket.prototype.CONNECTED = 1;
	Socket.prototype.CLOSING = 2;
	Socket.prototype.CLOSED = 3;

	// Disconnect Reason
	Socket.prototype.DR_CONNECT_FAILED = 1;
	Socket.prototype.DR_DISCONNECT = 2;
	Socket.prototype.DR_TIMEOUT = 3;
	Socket.prototype.DR_CLOSE_FAILED = 4;
	Socket.prototype.DR_ERROR = 5;
	Socket.prototype.DR_CLOSED_REMOTELY = 6;
	Socket.prototype.DR_CLOSED = 7;

	// Event Types
	Socket.prototype.CONNECT_EVENT = 'connect';
	Socket.prototype.DISCONNECT_EVENT = 'disconnect';
	Socket.prototype.MESSAGE_EVENT = 'message';

	// Message Types
	Socket.prototype.TEXT_MESSAGE = 0;
	Socket.prototype.JSON_MESSAGE = 1;

	Socket.prototype.options = {
			secure: false,
			document: document,
			port: document.location.port || 80,
			resource: 'socket.io',
			transports: ['websocket', 'flashsocket', 'htmlfile', 'xhr-multipart', 'xhr-polling', 'jsonp-polling'],
			transportOptions: {
				'xhr-polling': {
					timeout: 25000 // based on polling duration default
				},
				'jsonp-polling': {
					timeout: 25000
				}
			},
			connectTimeout: 5000,
			tryTransportsOnConnectTimeout: true,
			rememberTransport: false
		};

	Socket.prototype.socketState = Socket.prototype.CLOSED;
	Socket.prototype._events = {};
	Socket.prototype._parsers = {};

	Socket.prototype.getTransport = function(override){
		var transports = override || this.options.transports, match;
		if (this.options.rememberTransport && !override){
			match = this.options.document.cookie.match('(?:^|;)\\s*socketio=([^;]*)');
			if (match){
				this._rememberedTransport = true;
				transports = [decodeURIComponent(match[1])];
			}
		} 
		for (var i = 0, transport; transport = transports[i]; i++){
			if (io.Transport[transport] 
				&& io.Transport[transport].check() 
				&& (!this._isXDomain() || io.Transport[transport].xdomainCheck())){
				return new io.Transport[transport](this, this.options.transportOptions[transport] || {});
			}
		}
		return null;
	};

    Socket.prototype.isConnected = function(){
        return this.socketState == this.CONNECTED;
    };

	Socket.prototype.connect = function(){
		if (this.socketState != this.CLOSED) throw ("Socket not closed!");
		if (!this.transport) throw ("No available transports!");
		
		var self = this;
		var _connect = function() {
			if (self.transport) {
				if (self.socketState == self.CONNECTING) self.transport._destroy();
				self.socketState = self.CONNECTING;
				self.transport.connect();
				if (self.options.connectTimeout){
					setTimeout(function(){
						if (self.socketState == self.CONNECTING){
							self.transport._destroy();
							if (self.options.tryTransportsOnConnectTimeout && !self._rememberedTransport){
								var remainingTransports = [], transports = self.options.transports;
								for (var i = 0, transport; transport = transports[i]; i++){
									if (transport != self.transport.type) remainingTransports.push(transport);
								}
								if (remainingTransports.length){
									self.transport = self.getTransport(remainingTransports);
									_connect();
								} else {
									self.onDisconnect(self.DR_CONNECT_FAILED, "All transports failed");
								}
							} else {
								self.onDisconnect(self.DR_CONNECT_FAILED, "Connection attempt timed out");
							}
						}
					}, self.options.connectTimeout);
				}
			} else {
				self.onDisconnect(self.DR_CONNECT_FAILED, "All transports failed");
			}
		};
		_connect();
		return this;
	};
	
	Socket.prototype.send = function(){
		if (this.socketState == this.CLOSING) throw ("Socket is closing!");
		if (this.socketState != this.CONNECTED) throw ("Socket not connected!");
		var mtype = 0;
		var data;
		if (arguments.length == 1) {
			data = arguments[0];
		} else if (arguments.length >= 2) {
			mtype = Number(arguments[0]);
			data = arguments[1];
		} else {
			throw "Socket.send() requires at least one argument";
		}

		if (isNaN(mtype)) {
			throw "Invalid message type, must be a number!";
		}

		if (mtype < 0 || mtype > 2147483648) {
			throw "Invalid message type, must be greater than 0 and less than 2^31!";
		}
		
		var parser = this._parsers[mtype];
		
		if (parser) {
			data = String(parser.encode(data));
		}

		this.transport.send(mtype, data);
		return this;
	};
	
	Socket.prototype.close = function() {
		this.socketState = this.CLOSING;
		this.transport.close();
		return this;
	};

	Socket.prototype.disconnect = function(){
		this.transport.disconnect();
		return this;
	};
	
	Socket.prototype.setMessageParser = function(messageType, parser) {
		var mtype = Number(messageType);
		if (mtype != messageType) {
			throw "Invalid message type, it must be a number!";
		}
		if (!parser) {
			delete this._parsers[mtype];
		} else {
			if (typeof parser.encode != 'function' || typeof parser.decode != 'function') {
				throw "Invalid parser!";
			}
			this._parsers[mtype] = parser;
		}
	};
	
	Socket.prototype.on = function(name, fn){
		if (!(name in this._events)) this._events[name] = [];
		this._events[name].push(fn);
		return this;
	};
	
	Socket.prototype.fire = function(name, args){
		if (name in this._events){
			for (var i = 0, ii = this._events[name].length; i < ii; i++) 
				this._events[name][i].apply(this, args === undefined ? [] : args);
		}
		return this;
	};
	
	Socket.prototype.removeEvent = function(name, fn){
		if (name in this._events){
			for (var a = 0, l = this._events[name].length; a < l; a++)
				if (this._events[name][a] == fn) this._events[name].splice(a, 1);		
		}
		return this;
	};
	
	Socket.prototype._isXDomain = function(){
		return this.host !== document.domain;
	};
	
	Socket.prototype._onConnect = function(){
		this.socketState = this.CONNECTED;
		if (this.options.rememberTransport) this.options.document.cookie = 'socketio=' + encodeURIComponent(this.transport.type);
		this.fire(this.CONNECT_EVENT);
	};
	
	Socket.prototype._onMessage = function(mtype, data){
		var parser = this._parsers[mtype];
		var obj = data;
		var error = null;
		
		if (parser) {
			try {
				obj = parser.decode(data);
			} catch (e) {
				error = e;
			}
		}

		this.fire(this.MESSAGE_EVENT, [mtype, obj, error]);
	};
	
	Socket.prototype._onDisconnect = function(disconnectReason, errorMessage){
		var state = this.socketState;
		this.socketState = this.CLOSED;
		if (state == this.CLOSED) {
			this.fire(this.DISCONNECT_EVENT, [this.DR_CLOSED, errorMessage]);
		} else if (state == this.CLOSING) {
			if (!!this.closeId) {
				this.fire(this.DISCONNECT_EVENT, [this.DR_CLOSE_FAILED, errorMessage]);
			} else {
				this.fire(this.DISCONNECT_EVENT, [this.DR_CLOSED_REMOTELY, errorMessage]);
			}
		} else if (state == this.CONNECTING) {
			this.fire(this.DISCONNECT_EVENT, [this.DR_CONNECT_FAILED, errorMessage]);
		} else if (!disconnectReason) {
			this.fire(this.DISCONNECT_EVENT, [this.DR_DISCONNECT, errorMessage]);
		} else {
			this.fire(this.DISCONNECT_EVENT, [disconnectReason, errorMessage]);
		}
	};
	
	Socket.prototype.addListener = Socket.prototype.addEvent = Socket.prototype.addEventListener = Socket.prototype.on;
	
})();
/*	SWFObject v2.2 <http://code.google.com/p/swfobject/> 
	is released under the MIT License <http://www.opensource.org/licenses/mit-license.php> 
*/
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aa=j.getElementsByTagName("head")[0];if(!aa){return}var X=(ad&&typeof ad=="string")?ad:"screen";if(ab){n=null;G=null}if(!n||G!=X){var Z=C("style");Z.setAttribute("type","text/css");Z.setAttribute("media",X);n=aa.appendChild(Z);if(M.ie&&M.win&&typeof j.styleSheets!=D&&j.styleSheets.length>0){n=j.styleSheets[j.styleSheets.length-1]}G=X}if(M.ie&&M.win){if(n&&typeof n.addRule==r){n.addRule(ac,Y)}}else{if(n&&typeof j.createTextNode!=D){n.appendChild(j.createTextNode(ac+" {"+Y+"}"))}}}function w(Z,X){if(!m){return}var Y=X?"visible":"hidden";if(J&&c(Z)){c(Z).style.visibility=Y}else{v("#"+Z,"visibility:"+Y)}}function L(Y){var Z=/[\\\"<>\.;]/;var X=Z.exec(Y)!=null;return X&&typeof encodeURIComponent!=D?encodeURIComponent(Y):Y}var d=function(){if(M.ie&&M.win){window.attachEvent("onunload",function(){var ac=I.length;for(var ab=0;ab<ac;ab++){I[ab][0].detachEvent(I[ab][1],I[ab][2])}var Z=N.length;for(var aa=0;aa<Z;aa++){y(N[aa])}for(var Y in M){M[Y]=null}M=null;for(var X in swfobject){swfobject[X]=null}swfobject=null})}}();return{registerObject:function(ab,X,aa,Z){if(M.w3&&ab&&X){var Y={};Y.id=ab;Y.swfVersion=X;Y.expressInstall=aa;Y.callbackFn=Z;o[o.length]=Y;w(ab,false)}else{if(Z){Z({success:false,id:ab})}}},getObjectById:function(X){if(M.w3){return z(X)}},embedSWF:function(ab,ah,ae,ag,Y,aa,Z,ad,af,ac){var X={success:false,id:ah};if(M.w3&&!(M.wk&&M.wk<312)&&ab&&ah&&ae&&ag&&Y){w(ah,false);K(function(){ae+="";ag+="";var aj={};if(af&&typeof af===r){for(var al in af){aj[al]=af[al]}}aj.data=ab;aj.width=ae;aj.height=ag;var am={};if(ad&&typeof ad===r){for(var ak in ad){am[ak]=ad[ak]}}if(Z&&typeof Z===r){for(var ai in Z){if(typeof am.flashvars!=D){am.flashvars+="&"+ai+"="+Z[ai]}else{am.flashvars=ai+"="+Z[ai]}}}if(F(Y)){var an=u(aj,am,ah);if(aj.id==ah){w(ah,true)}X.success=true;X.ref=an}else{if(aa&&A()){aj.data=aa;P(aj,am,ah,ac);return}else{w(ah,true)}}if(ac){ac(X)}})}else{if(ac){ac(X)}}},switchOffAutoHideShow:function(){m=false},ua:M,getFlashPlayerVersion:function(){return{major:M.pv[0],minor:M.pv[1],release:M.pv[2]}},hasFlashPlayerVersion:F,createSWF:function(Z,Y,X){if(M.w3){return u(Z,Y,X)}else{return undefined}},showExpressInstall:function(Z,aa,X,Y){if(M.w3&&A()){P(Z,aa,X,Y)}},removeSWF:function(X){if(M.w3){y(X)}},createCSS:function(aa,Z,Y,X){if(M.w3){v(aa,Z,Y,X)}},addDomLoadEvent:K,addLoadEvent:s,getQueryParamValue:function(aa){var Z=j.location.search||j.location.hash;if(Z){if(/\?/.test(Z)){Z=Z.split("?")[1]}if(aa==null){return L(Z)}var Y=Z.split("&");for(var X=0;X<Y.length;X++){if(Y[X].substring(0,Y[X].indexOf("="))==aa){return L(Y[X].substring((Y[X].indexOf("=")+1)))}}}return""},expressInstallCallback:function(){if(a){var X=c(R);if(X&&l){X.parentNode.replaceChild(l,X);if(Q){w(Q,true);if(M.ie&&M.win){l.style.display="block"}}if(E){E(B)}}a=false}}}}();
/*
/*
Copyright 2006 Adobe Systems Incorporated

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.

*/


/*
 * The Bridge class, responsible for navigating AS instances
 */
function FABridge(target,bridgeName)
{
    this.target = target;
    this.remoteTypeCache = {};
    this.remoteInstanceCache = {};
    this.remoteFunctionCache = {};
    this.localFunctionCache = {};
    this.bridgeID = FABridge.nextBridgeID++;
    this.name = bridgeName;
    this.nextLocalFuncID = 0;
    FABridge.instances[this.name] = this;
    FABridge.idMap[this.bridgeID] = this;

    return this;
}

// type codes for packed values
FABridge.TYPE_ASINSTANCE =  1;
FABridge.TYPE_ASFUNCTION =  2;

FABridge.TYPE_JSFUNCTION =  3;
FABridge.TYPE_ANONYMOUS =   4;

FABridge.initCallbacks = {};
FABridge.userTypes = {};

FABridge.addToUserTypes = function()
{
	for (var i = 0; i < arguments.length; i++)
	{
		FABridge.userTypes[arguments[i]] = {
			'typeName': arguments[i], 
			'enriched': false
		};
	}
}

FABridge.argsToArray = function(args)
{
    var result = [];
    for (var i = 0; i < args.length; i++)
    {
        result[i] = args[i];
    }
    return result;
}

function instanceFactory(objID)
{
    this.fb_instance_id = objID;
    return this;
}

function FABridge__invokeJSFunction(args)
{  
    var funcID = args[0];
    var throughArgs = args.concat();//FABridge.argsToArray(arguments);
    throughArgs.shift();
   
    var bridge = FABridge.extractBridgeFromID(funcID);
    return bridge.invokeLocalFunction(funcID, throughArgs);
}

FABridge.addInitializationCallback = function(bridgeName, callback)
{
    var inst = FABridge.instances[bridgeName];
    if (inst != undefined)
    {
        callback.call(inst);
        return;
    }

    var callbackList = FABridge.initCallbacks[bridgeName];
    if(callbackList == null)
    {
        FABridge.initCallbacks[bridgeName] = callbackList = [];
    }

    callbackList.push(callback);
}

// updated for changes to SWFObject2
function FABridge__bridgeInitialized(bridgeName) {
    var objects = document.getElementsByTagName("object");
    var ol = objects.length;
    var activeObjects = [];
    if (ol > 0) {
		for (var i = 0; i < ol; i++) {
			if (typeof objects[i].SetVariable != "undefined") {
				activeObjects[activeObjects.length] = objects[i];
			}
		}
	}
    var embeds = document.getElementsByTagName("embed");
    var el = embeds.length;
    var activeEmbeds = [];
    if (el > 0) {
		for (var j = 0; j < el; j++) {
			if (typeof embeds[j].SetVariable != "undefined") {
            	activeEmbeds[activeEmbeds.length] = embeds[j];
            }
        }
    }
    var aol = activeObjects.length;
    var ael = activeEmbeds.length;
    var searchStr = "bridgeName="+ bridgeName;
    if ((aol == 1 && !ael) || (aol == 1 && ael == 1)) {
    	FABridge.attachBridge(activeObjects[0], bridgeName);	 
    }
    else if (ael == 1 && !aol) {
    	FABridge.attachBridge(activeEmbeds[0], bridgeName);
        }
    else {
                var flash_found = false;
		if (aol > 1) {
			for (var k = 0; k < aol; k++) {
				 var params = activeObjects[k].childNodes;
				 for (var l = 0; l < params.length; l++) {
					var param = params[l];
					if (param.nodeType == 1 && param.tagName.toLowerCase() == "param" && param["name"].toLowerCase() == "flashvars" && param["value"].indexOf(searchStr) >= 0) {
						FABridge.attachBridge(activeObjects[k], bridgeName);
                            flash_found = true;
                            break;
                        }
                    }
                if (flash_found) {
                    break;
                }
            }
        }
		if (!flash_found && ael > 1) {
			for (var m = 0; m < ael; m++) {
				var flashVars = activeEmbeds[m].attributes.getNamedItem("flashVars").nodeValue;
				if (flashVars.indexOf(searchStr) >= 0) {
					FABridge.attachBridge(activeEmbeds[m], bridgeName);
					break;
    }
            }
        }
    }
    return true;
}

// used to track multiple bridge instances, since callbacks from AS are global across the page.

FABridge.nextBridgeID = 0;
FABridge.instances = {};
FABridge.idMap = {};
FABridge.refCount = 0;

FABridge.extractBridgeFromID = function(id)
{
    var bridgeID = (id >> 16);
    return FABridge.idMap[bridgeID];
}

FABridge.attachBridge = function(instance, bridgeName)
{
    var newBridgeInstance = new FABridge(instance, bridgeName);

    FABridge[bridgeName] = newBridgeInstance;

/*  FABridge[bridgeName] = function() {
        return newBridgeInstance.root();
    }
*/
    var callbacks = FABridge.initCallbacks[bridgeName];
    if (callbacks == null)
    {
        return;
    }
    for (var i = 0; i < callbacks.length; i++)
    {
        callbacks[i].call(newBridgeInstance);
    }
    delete FABridge.initCallbacks[bridgeName]
}

// some methods can't be proxied.  You can use the explicit get,set, and call methods if necessary.

FABridge.blockedMethods =
{
    toString: true,
    get: true,
    set: true,
    call: true
};

FABridge.prototype =
{


// bootstrapping

    root: function()
    {
        return this.deserialize(this.target.getRoot());
    },
//clears all of the AS objects in the cache maps
    releaseASObjects: function()
    {
        return this.target.releaseASObjects();
    },
//clears a specific object in AS from the type maps
    releaseNamedASObject: function(value)
    {
        if(typeof(value) != "object")
        {
            return false;
        }
        else
        {
            var ret =  this.target.releaseNamedASObject(value.fb_instance_id);
            return ret;
        }
    },
//create a new AS Object
    create: function(className)
    {
        return this.deserialize(this.target.create(className));
    },


    // utilities

    makeID: function(token)
    {
        return (this.bridgeID << 16) + token;
    },


    // low level access to the flash object

//get a named property from an AS object
    getPropertyFromAS: function(objRef, propName)
    {
        if (FABridge.refCount > 0)
        {
            throw new Error("You are trying to call recursively into the Flash Player which is not allowed. In most cases the JavaScript setTimeout function, can be used as a workaround.");
        }
        else
        {
            FABridge.refCount++;
            retVal = this.target.getPropFromAS(objRef, propName);
            retVal = this.handleError(retVal);
            FABridge.refCount--;
            return retVal;
        }
    },
//set a named property on an AS object
    setPropertyInAS: function(objRef,propName, value)
    {
        if (FABridge.refCount > 0)
        {
            throw new Error("You are trying to call recursively into the Flash Player which is not allowed. In most cases the JavaScript setTimeout function, can be used as a workaround.");
        }
        else
        {
            FABridge.refCount++;
            retVal = this.target.setPropInAS(objRef,propName, this.serialize(value));
            retVal = this.handleError(retVal);
            FABridge.refCount--;
            return retVal;
        }
    },

//call an AS function
    callASFunction: function(funcID, args)
    {
        if (FABridge.refCount > 0)
        {
            throw new Error("You are trying to call recursively into the Flash Player which is not allowed. In most cases the JavaScript setTimeout function, can be used as a workaround.");
        }
        else
        {
            FABridge.refCount++;
            retVal = this.target.invokeASFunction(funcID, this.serialize(args));
            retVal = this.handleError(retVal);
            FABridge.refCount--;
            return retVal;
        }
    },
//call a method on an AS object
    callASMethod: function(objID, funcName, args)
    {
        if (FABridge.refCount > 0)
        {
            throw new Error("You are trying to call recursively into the Flash Player which is not allowed. In most cases the JavaScript setTimeout function, can be used as a workaround.");
        }
        else
        {
            FABridge.refCount++;
            args = this.serialize(args);
            retVal = this.target.invokeASMethod(objID, funcName, args);
            retVal = this.handleError(retVal);
            FABridge.refCount--;
            return retVal;
        }
    },

    // responders to remote calls from flash

    //callback from flash that executes a local JS function
    //used mostly when setting js functions as callbacks on events
    invokeLocalFunction: function(funcID, args)
    {
        var result;
        var func = this.localFunctionCache[funcID];

        if(func != undefined)
        {
            result = this.serialize(func.apply(null, this.deserialize(args)));
        }

        return result;
    },

    // Object Types and Proxies
	
    // accepts an object reference, returns a type object matching the obj reference.
    getTypeFromName: function(objTypeName)
    {
        return this.remoteTypeCache[objTypeName];
    },
    //create an AS proxy for the given object ID and type
    createProxy: function(objID, typeName)
    {
        var objType = this.getTypeFromName(typeName);
	        instanceFactory.prototype = objType;
	        var instance = new instanceFactory(objID);
        this.remoteInstanceCache[objID] = instance;
        return instance;
    },
    //return the proxy associated with the given object ID
    getProxy: function(objID)
    {
        return this.remoteInstanceCache[objID];
    },

    // accepts a type structure, returns a constructed type
    addTypeDataToCache: function(typeData)
    {
        var newType = new ASProxy(this, typeData.name);
        var accessors = typeData.accessors;
        for (var i = 0; i < accessors.length; i++)
        {
            this.addPropertyToType(newType, accessors[i]);
        }

        var methods = typeData.methods;
        for (var i = 0; i < methods.length; i++)
        {
            if (FABridge.blockedMethods[methods[i]] == undefined)
            {
                this.addMethodToType(newType, methods[i]);
            }
        }


        this.remoteTypeCache[newType.typeName] = newType;
        return newType;
    },

    //add a property to a typename; used to define the properties that can be called on an AS proxied object
    addPropertyToType: function(ty, propName)
    {
        var c = propName.charAt(0);
        var setterName;
        var getterName;
        if(c >= "a" && c <= "z")
        {
            getterName = "get" + c.toUpperCase() + propName.substr(1);
            setterName = "set" + c.toUpperCase() + propName.substr(1);
        }
        else
        {
            getterName = "get" + propName;
            setterName = "set" + propName;
        }
        ty[setterName] = function(val)
        {
            this.bridge.setPropertyInAS(this.fb_instance_id, propName, val);
        }
        ty[getterName] = function()
        {
            return this.bridge.deserialize(this.bridge.getPropertyFromAS(this.fb_instance_id, propName));
        }
    },

    //add a method to a typename; used to define the methods that can be callefd on an AS proxied object
    addMethodToType: function(ty, methodName)
    {
        ty[methodName] = function()
        {
            return this.bridge.deserialize(this.bridge.callASMethod(this.fb_instance_id, methodName, FABridge.argsToArray(arguments)));
        }
    },

    // Function Proxies

    //returns the AS proxy for the specified function ID
    getFunctionProxy: function(funcID)
    {
        var bridge = this;
        if (this.remoteFunctionCache[funcID] == null)
        {
            this.remoteFunctionCache[funcID] = function()
            {
                bridge.callASFunction(funcID, FABridge.argsToArray(arguments));
            }
        }
        return this.remoteFunctionCache[funcID];
    },
    
    //reutrns the ID of the given function; if it doesnt exist it is created and added to the local cache
    getFunctionID: function(func)
    {
        if (func.__bridge_id__ == undefined)
        {
            func.__bridge_id__ = this.makeID(this.nextLocalFuncID++);
            this.localFunctionCache[func.__bridge_id__] = func;
        }
        return func.__bridge_id__;
    },

    // serialization / deserialization

    serialize: function(value)
    {
        var result = {};

        var t = typeof(value);
        //primitives are kept as such
        if (t == "number" || t == "string" || t == "boolean" || t == null || t == undefined)
        {
            result = value;
        }
        else if (value instanceof Array)
        {
            //arrays are serializesd recursively
            result = [];
            for (var i = 0; i < value.length; i++)
            {
                result[i] = this.serialize(value[i]);
            }
        }
        else if (t == "function")
        {
            //js functions are assigned an ID and stored in the local cache 
            result.type = FABridge.TYPE_JSFUNCTION;
            result.value = this.getFunctionID(value);
        }
        else if (value instanceof ASProxy)
        {
            result.type = FABridge.TYPE_ASINSTANCE;
            result.value = value.fb_instance_id;
        }
        else
        {
            result.type = FABridge.TYPE_ANONYMOUS;
            result.value = value;
        }

        return result;
    },

    //on deserialization we always check the return for the specific error code that is used to marshall NPE's into JS errors
    // the unpacking is done by returning the value on each pachet for objects/arrays 
    deserialize: function(packedValue)
    {

        var result;

        var t = typeof(packedValue);
        if (t == "number" || t == "string" || t == "boolean" || packedValue == null || packedValue == undefined)
        {
            result = this.handleError(packedValue);
        }
        else if (packedValue instanceof Array)
        {
            result = [];
            for (var i = 0; i < packedValue.length; i++)
            {
                result[i] = this.deserialize(packedValue[i]);
            }
        }
        else if (t == "object")
        {
            for(var i = 0; i < packedValue.newTypes.length; i++)
            {
                this.addTypeDataToCache(packedValue.newTypes[i]);
            }
            for (var aRefID in packedValue.newRefs)
            {
                this.createProxy(aRefID, packedValue.newRefs[aRefID]);
            }
            if (packedValue.type == FABridge.TYPE_PRIMITIVE)
            {
                result = packedValue.value;
            }
            else if (packedValue.type == FABridge.TYPE_ASFUNCTION)
            {
                result = this.getFunctionProxy(packedValue.value);
            }
            else if (packedValue.type == FABridge.TYPE_ASINSTANCE)
            {
                result = this.getProxy(packedValue.value);
            }
            else if (packedValue.type == FABridge.TYPE_ANONYMOUS)
            {
                result = packedValue.value;
            }
        }
        return result;
    },
    //increases the reference count for the given object
    addRef: function(obj)
    {
        this.target.incRef(obj.fb_instance_id);
    },
    //decrease the reference count for the given object and release it if needed
    release:function(obj)
    {
        this.target.releaseRef(obj.fb_instance_id);
    },

    // check the given value for the components of the hard-coded error code : __FLASHERROR
    // used to marshall NPE's into flash
    
    handleError: function(value)
    {
        if (typeof(value)=="string" && value.indexOf("__FLASHERROR")==0)
        {
            var myErrorMessage = value.split("||");
            if(FABridge.refCount > 0 )
            {
                FABridge.refCount--;
            }
            throw new Error(myErrorMessage[1]);
            return value;
        }
        else
        {
            return value;
        }   
    }
};

// The root ASProxy class that facades a flash object

ASProxy = function(bridge, typeName)
{
    this.bridge = bridge;
    this.typeName = typeName;
    return this;
};
//methods available on each ASProxy object
ASProxy.prototype =
{
    get: function(propName)
    {
        return this.bridge.deserialize(this.bridge.getPropertyFromAS(this.fb_instance_id, propName));
    },

    set: function(propName, value)
    {
        this.bridge.setPropertyInAS(this.fb_instance_id, propName, value);
    },

    call: function(funcName, args)
    {
        this.bridge.callASMethod(this.fb_instance_id, funcName, args);
    }, 
    
    addRef: function() {
        this.bridge.addRef(this);
    }, 
    
    release: function() {
        this.bridge.release(this);
    }
};

// Copyright: Hiroshi Ichikawa <http://gimite.net/en/>
// License: New BSD License
// Reference: http://dev.w3.org/html5/websockets/
// Reference: http://tools.ietf.org/html/draft-hixie-thewebsocketprotocol

(function() {
  
  if (window.WebSocket) return;

  var console = window.console;
  if (!console) console = {log: function(){ }, error: function(){ }};

  if (!swfobject.hasFlashPlayerVersion("9.0.0")) {
    console.error("Flash Player is not installed.");
    return;
  }
  if (location.protocol == "file:") {
    console.error(
      "WARNING: web-socket-js doesn't work in file:///... URL " +
      "unless you set Flash Security Settings properly. " +
      "Open the page via Web server i.e. http://...");
  }

  WebSocket = function(url, protocol, proxyHost, proxyPort, headers) {
    var self = this;
    self.readyState = WebSocket.CONNECTING;
    self.bufferedAmount = 0;
    // Uses setTimeout() to make sure __createFlash() runs after the caller sets ws.onopen etc.
    // Otherwise, when onopen fires immediately, onopen is called before it is set.
    setTimeout(function() {
      WebSocket.__addTask(function() {
        self.__createFlash(url, protocol, proxyHost, proxyPort, headers);
      });
    }, 1);
  }
  
  WebSocket.prototype.__createFlash = function(url, protocol, proxyHost, proxyPort, headers) {
    var self = this;
    self.__flash =
      WebSocket.__flash.create(url, protocol, proxyHost || null, proxyPort || 0, headers || null);

    self.__flash.addEventListener("open", function(fe) {
      try {
        self.readyState = self.__flash.getReadyState();
        if (self.__timer) clearInterval(self.__timer);
        if (window.opera) {
          // Workaround for weird behavior of Opera which sometimes drops events.
          self.__timer = setInterval(function () {
            self.__handleMessages();
          }, 500);
        }
        if (self.onopen) self.onopen();
      } catch (e) {
        console.error(e.toString());
      }
    });

    self.__flash.addEventListener("close", function(fe) {
      try {
        self.readyState = self.__flash.getReadyState();
        if (self.__timer) clearInterval(self.__timer);
        if (self.onclose) self.onclose();
      } catch (e) {
        console.error(e.toString());
      }
    });

    self.__flash.addEventListener("message", function() {
      try {
        self.__handleMessages();
      } catch (e) {
        console.error(e.toString());
      }
    });

    self.__flash.addEventListener("error", function(fe) {
      try {
        if (self.__timer) clearInterval(self.__timer);
        if (self.onerror) self.onerror();
      } catch (e) {
        console.error(e.toString());
      }
    });

    self.__flash.addEventListener("stateChange", function(fe) {
      try {
        self.readyState = self.__flash.getReadyState();
        self.bufferedAmount = fe.getBufferedAmount();
      } catch (e) {
        console.error(e.toString());
      }
    });

    //console.log("[WebSocket] Flash object is ready");
  };

  WebSocket.prototype.send = function(data) {
    if (this.__flash) {
      this.readyState = this.__flash.getReadyState();
    }
    if (!this.__flash || this.readyState == WebSocket.CONNECTING) {
      throw "INVALID_STATE_ERR: Web Socket connection has not been established";
    }
    // We use encodeURIComponent() here, because FABridge doesn't work if
    // the argument includes some characters. We don't use escape() here
    // because of this:
    // https://developer.mozilla.org/en/Core_JavaScript_1.5_Guide/Functions#escape_and_unescape_Functions
    // But it looks decodeURIComponent(encodeURIComponent(s)) doesn't
    // preserve all Unicode characters either e.g. "\uffff" in Firefox.
    var result = this.__flash.send(encodeURIComponent(data));
    if (result < 0) { // success
      return true;
    } else {
      this.bufferedAmount = result;
      return false;
    }
  };

  WebSocket.prototype.close = function() {
    var self = this;
    if (!self.__flash) return;
    self.readyState = self.__flash.getReadyState();
    if (self.readyState == WebSocket.CLOSED || self.readyState == WebSocket.CLOSING) return;
    self.__flash.close();
    // Sets/calls them manually here because Flash WebSocketConnection.close cannot fire events
    // which causes weird error:
    // > You are trying to call recursively into the Flash Player which is not allowed.
    self.readyState = WebSocket.CLOSED;
    if (self.__timer) clearInterval(self.__timer);
    if (self.onclose) {
       // Make it asynchronous so that it looks more like an actual
       // close event
       setTimeout(self.onclose, 1);
     }
  };

  /**
   * Implementation of {@link <a href="http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-registration">DOM 2 EventTarget Interface</a>}
   *
   * @param {string} type
   * @param {function} listener
   * @param {boolean} useCapture !NB Not implemented yet
   * @return void
   */
  WebSocket.prototype.addEventListener = function(type, listener, useCapture) {
    if (!('__events' in this)) {
      this.__events = {};
    }
    if (!(type in this.__events)) {
      this.__events[type] = [];
      if ('function' == typeof this['on' + type]) {
        this.__events[type].defaultHandler = this['on' + type];
        this['on' + type] = this.__createEventHandler(this, type);
      }
    }
    this.__events[type].push(listener);
  };

  /**
   * Implementation of {@link <a href="http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-registration">DOM 2 EventTarget Interface</a>}
   *
   * @param {string} type
   * @param {function} listener
   * @param {boolean} useCapture NB! Not implemented yet
   * @return void
   */
  WebSocket.prototype.removeEventListener = function(type, listener, useCapture) {
    if (!('__events' in this)) {
      this.__events = {};
    }
    if (!(type in this.__events)) return;
    for (var i = this.__events.length; i > -1; --i) {
      if (listener === this.__events[type][i]) {
        this.__events[type].splice(i, 1);
        break;
      }
    }
  };

  /**
   * Implementation of {@link <a href="http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-registration">DOM 2 EventTarget Interface</a>}
   *
   * @param {WebSocketEvent} event
   * @return void
   */
  WebSocket.prototype.dispatchEvent = function(event) {
    if (!('__events' in this)) throw 'UNSPECIFIED_EVENT_TYPE_ERR';
    if (!(event.type in this.__events)) throw 'UNSPECIFIED_EVENT_TYPE_ERR';

    for (var i = 0, l = this.__events[event.type].length; i < l; ++ i) {
      this.__events[event.type][i](event);
      if (event.cancelBubble) break;
    }

    if (false !== event.returnValue &&
        'function' == typeof this.__events[event.type].defaultHandler)
    {
      this.__events[event.type].defaultHandler(event);
    }
  };

  WebSocket.prototype.__handleMessages = function() {
    // Gets data using readSocketData() instead of getting it from event object
    // of Flash event. This is to make sure to keep message order.
    // It seems sometimes Flash events don't arrive in the same order as they are sent.
    var arr = this.__flash.readSocketData();
    for (var i = 0; i < arr.length; i++) {
      var data = decodeURIComponent(arr[i]);
      try {
        if (this.onmessage) {
          var e;
          if (window.MessageEvent && !window.opera) {
            e = document.createEvent("MessageEvent");
            e.initMessageEvent("message", false, false, data, null, null, window, null);
          } else { // IE and Opera, the latter one truncates the data parameter after any 0x00 bytes
            e = {data: data};
          }
          this.onmessage(e);
        }
      } catch (e) {
        console.error(e.toString());
      }
    }
  };

  /**
   * @param {object} object
   * @param {string} type
   */
  WebSocket.prototype.__createEventHandler = function(object, type) {
    return function(data) {
      var event = new WebSocketEvent();
      event.initEvent(type, true, true);
      event.target = event.currentTarget = object;
      for (var key in data) {
        event[key] = data[key];
      }
      object.dispatchEvent(event, arguments);
    };
  }

  /**
   * Basic implementation of {@link <a href="http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-interface">DOM 2 EventInterface</a>}
   *
   * @class
   * @constructor
   */
  function WebSocketEvent(){}

  /**
   *
   * @type boolean
   */
  WebSocketEvent.prototype.cancelable = true;

  /**
   *
   * @type boolean
   */
  WebSocketEvent.prototype.cancelBubble = false;

  /**
   *
   * @return void
   */
  WebSocketEvent.prototype.preventDefault = function() {
    if (this.cancelable) {
      this.returnValue = false;
    }
  };

  /**
   *
   * @return void
   */
  WebSocketEvent.prototype.stopPropagation = function() {
    this.cancelBubble = true;
  };

  /**
   *
   * @param {string} eventTypeArg
   * @param {boolean} canBubbleArg
   * @param {boolean} cancelableArg
   * @return void
   */
  WebSocketEvent.prototype.initEvent = function(eventTypeArg, canBubbleArg, cancelableArg) {
    this.type = eventTypeArg;
    this.cancelable = cancelableArg;
    this.timeStamp = new Date();
  };


  WebSocket.CONNECTING = 0;
  WebSocket.OPEN = 1;
  WebSocket.CLOSING = 2;
  WebSocket.CLOSED = 3;

  WebSocket.__tasks = [];

  WebSocket.__initialize = function() {
    if (WebSocket.__swfLocation) {
      // For backword compatibility.
      window.WEB_SOCKET_SWF_LOCATION = WebSocket.__swfLocation;
    }
    if (!window.WEB_SOCKET_SWF_LOCATION) {
      console.error("[WebSocket] set WEB_SOCKET_SWF_LOCATION to location of WebSocketMain.swf");
      return;
    }
    var container = document.createElement("div");
    container.id = "webSocketContainer";
    // Hides Flash box. We cannot use display: none or visibility: hidden because it prevents
    // Flash from loading at least in IE. So we move it out of the screen at (-100, -100).
    // But this even doesn't work with Flash Lite (e.g. in Droid Incredible). So with Flash
    // Lite, we put it at (0, 0). This shows 1x1 box visible at left-top corner but this is
    // the best we can do as far as we know now.
    container.style.position = "absolute";
    if (WebSocket.__isFlashLite()) {
      container.style.left = "0px";
      container.style.top = "0px";
    } else {
      container.style.left = "-100px";
      container.style.top = "-100px";
    }
    var holder = document.createElement("div");
    holder.id = "webSocketFlash";
    container.appendChild(holder);
    document.body.appendChild(container);
    // See this article for hasPriority:
    // http://help.adobe.com/en_US/as3/mobile/WS4bebcd66a74275c36cfb8137124318eebc6-7ffd.html
    swfobject.embedSWF(
      WEB_SOCKET_SWF_LOCATION, "webSocketFlash",
      "1" /* width */, "1" /* height */, "9.0.0" /* SWF version */,
      null, {bridgeName: "webSocket"}, {hasPriority: true, allowScriptAccess: "always"}, null,
      function(e) {
        if (!e.success) console.error("[WebSocket] swfobject.embedSWF failed");
      }
    );
    FABridge.addInitializationCallback("webSocket", function() {
      try {
        //console.log("[WebSocket] FABridge initializad");
        WebSocket.__flash = FABridge.webSocket.root();
        WebSocket.__flash.setCallerUrl(location.href);
        WebSocket.__flash.setDebug(!!window.WEB_SOCKET_DEBUG);
        for (var i = 0; i < WebSocket.__tasks.length; ++i) {
          WebSocket.__tasks[i]();
        }
        WebSocket.__tasks = [];
      } catch (e) {
        console.error("[WebSocket] " + e.toString());
      }
    });
  };

  WebSocket.__addTask = function(task) {
    if (WebSocket.__flash) {
      task();
    } else {
      WebSocket.__tasks.push(task);
    }
  };
  
  WebSocket.__isFlashLite = function() {
    if (!window.navigator || !window.navigator.mimeTypes) return false;
    var mimeType = window.navigator.mimeTypes["application/x-shockwave-flash"];
    if (!mimeType || !mimeType.enabledPlugin || !mimeType.enabledPlugin.filename) return false;
    return mimeType.enabledPlugin.filename.match(/flashlite/i) ? true : false;
  };

  // called from Flash
  window.webSocketLog = function(message) {
    console.log(decodeURIComponent(message));
  };

  // called from Flash
  window.webSocketError = function(message) {
    console.error(decodeURIComponent(message));
  };

  if (!window.WEB_SOCKET_DISABLE_AUTO_INITIALIZATION) {
    if (window.addEventListener) {
      window.addEventListener("load", WebSocket.__initialize, false);
    } else {
      window.attachEvent("onload", WebSocket.__initialize);
    }
  }
  
})();

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