/*! Socket.IO.js build:0.9.6, development. Copyright(c) 2011 LearnBoost <dev@learnboost.com> MIT Licensed *//**
 * socket.io
 * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
 * MIT Licensed
 */(function(a,b){var c=a;c.version="0.9.6",c.protocol=1,c.transports=[],c.j=[],c.sockets={},c.connect=function(a,d){var e=c.util.parseUri(a),f,g;b&&b.location&&(e.protocol=e.protocol||b.location.protocol.slice(0,-1),e.host=e.host||(b.document?b.document.domain:b.location.hostname),e.port=e.port||b.location.port),f=c.util.uniqueUri(e);var h={host:e.host,secure:"https"==e.protocol,port:e.port||("https"==e.protocol?443:80),query:e.query||""};c.util.merge(h,d);if(h["force new connection"]||!c.sockets[f])g=new c.Socket(h);return!h["force new connection"]&&g&&(c.sockets[f]=g),g=g||c.sockets[f],g.of(e.path.length>1?e.path:"")}})("object"==typeof module?module.exports:this.io={},this),function(a,b){var c=a.util={},d=/^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,e=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];c.parseUri=function(a){var b=d.exec(a||""),c={},f=14;while(f--)c[e[f]]=b[f]||"";return c},c.uniqueUri=function(a){var c=a.protocol,d=a.host,e=a.port;return"document"in b?(d=d||document.domain,e=e||(c=="https"&&document.location.protocol!=="https:"?443:document.location.port)):(d=d||"localhost",!e&&c=="https"&&(e=443)),(c||"http")+"://"+d+":"+(e||80)},c.query=function(a,b){var d=c.chunkQuery(a||""),e=[];c.merge(d,c.chunkQuery(b||""));for(var f in d)d.hasOwnProperty(f)&&e.push(f+"="+d[f]);return e.length?"?"+e.join("&"):""},c.chunkQuery=function(a){var b={},c=a.split("&"),d=0,e=c.length,f;for(;d<e;++d)f=c[d].split("="),f[0]&&(b[f[0]]=f[1]);return b};var f=!1;c.load=function(a){if("document"in b&&document.readyState==="complete"||f)return a();c.on(b,"load",a,!1)},c.on=function(a,b,c,d){a.attachEvent?a.attachEvent("on"+b,c):a.addEventListener&&a.addEventListener(b,c,d)},c.request=function(a){if(a&&"undefined"!=typeof XDomainRequest)return new XDomainRequest;if("undefined"!=typeof XMLHttpRequest&&(!a||c.ua.hasCORS))return new XMLHttpRequest;if(!a)try{return new(window[["Active"].concat("Object").join("X")])("Microsoft.XMLHTTP")}catch(b){}return null},"undefined"!=typeof window&&c.load(function(){f=!0}),c.defer=function(a){if(!c.ua.webkit||"undefined"!=typeof importScripts)return a();c.load(function(){setTimeout(a,100)})},c.merge=function(b,d,e,f){var g=f||[],h=typeof e=="undefined"?2:e,i;for(i in d)d.hasOwnProperty(i)&&c.indexOf(g,i)<0&&(typeof b[i]!="object"||!h?(b[i]=d[i],g.push(d[i])):c.merge(b[i],d[i],h-1,g));return b},c.mixin=function(a,b){c.merge(a.prototype,b.prototype)},c.inherit=function(a,b){function c(){}c.prototype=b.prototype,a.prototype=new c},c.isArray=Array.isArray||function(a){return Object.prototype.toString.call(a)==="[object Array]"},c.intersect=function(a,b){var d=[],e=a.length>b.length?a:b,f=a.length>b.length?b:a;for(var g=0,h=f.length;g<h;g++)~c.indexOf(e,f[g])&&d.push(f[g]);return d},c.indexOf=function(a,b,c){for(var d=a.length,c=c<0?c+d<0?0:c+d:c||0;c<d&&a[c]!==b;c++);return d<=c?-1:c},c.toArray=function(a){var b=[];for(var c=0,d=a.length;c<d;c++)b.push(a[c]);return b},c.ua={},c.ua.hasCORS="undefined"!=typeof XMLHttpRequest&&function(){try{var a=new XMLHttpRequest}catch(b){return!1}return a.withCredentials!=undefined}(),c.ua.webkit="undefined"!=typeof navigator&&/webkit/i.test(navigator.userAgent)}("undefined"!=typeof io?io:module.exports,this),function(a,b){function c(){}a.EventEmitter=c,c.prototype.on=function(a,c){return this.$events||(this.$events={}),this.$events[a]?b.util.isArray(this.$events[a])?this.$events[a].push(c):this.$events[a]=[this.$events[a],c]:this.$events[a]=c,this},c.prototype.addListener=c.prototype.on,c.prototype.once=function(a,b){function d(){c.removeListener(a,d),b.apply(this,arguments)}var c=this;return d.listener=b,this.on(a,d),this},c.prototype.removeListener=function(a,c){if(this.$events&&this.$events[a]){var d=this.$events[a];if(b.util.isArray(d)){var e=-1;for(var f=0,g=d.length;f<g;f++)if(d[f]===c||d[f].listener&&d[f].listener===c){e=f;break}if(e<0)return this;d.splice(e,1),d.length||delete this.$events[a]}else(d===c||d.listener&&d.listener===c)&&delete this.$events[a]}return this},c.prototype.removeAllListeners=function(a){return this.$events&&this.$events[a]&&(this.$events[a]=null),this},c.prototype.listeners=function(a){return this.$events||(this.$events={}),this.$events[a]||(this.$events[a]=[]),b.util.isArray(this.$events[a])||(this.$events[a]=[this.$events[a]]),this.$events[a]},c.prototype.emit=function(a){if(!this.$events)return!1;var c=this.$events[a];if(!c)return!1;var d=Array.prototype.slice.call(arguments,1);if("function"==typeof c)c.apply(this,d);else{if(!b.util.isArray(c))return!1;var e=c.slice();for(var f=0,g=e.length;f<g;f++)e[f].apply(this,d)}return!0}}("undefined"!=typeof io?io:module.exports,"undefined"!=typeof io?io:module.parent.exports),function(exports,nativeJSON){function f(a){return a<10?"0"+a:a}function date(a,b){return isFinite(a.valueOf())?a.getUTCFullYear()+"-"+f(a.getUTCMonth()+1)+"-"+f(a.getUTCDate())+"T"+f(a.getUTCHours())+":"+f(a.getUTCMinutes())+":"+f(a.getUTCSeconds())+"Z":null}function quote(a){return escapable.lastIndex=0,escapable.test(a)?'"'+a.replace(escapable,function(a){var b=meta[a];return typeof 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exports.JSON={parse:nativeJSON.parse,stringify:nativeJSON.stringify};var JSON=exports.JSON={},cx=/[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,escapable=/[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,gap,indent,meta={"\b":"\\b","	":"\\t","\n":"\\n","\f":"\\f","\r":"\\r",'"':'\\"',"\\":"\\\\"},rep;JSON.stringify=function(a,b,c){var d;gap="",indent="";if(typeof c=="number")for(d=0;d<c;d+=1)indent+=" ";else typeof c=="string"&&(indent=c);rep=b;if(!b||typeof b=="function"||typeof b=="object"&&typeof b.length=="number")return str("",{"":a});throw new Error("JSON.stringify")},JSON.parse=function(text,reviver){function walk(a,b){var c,d,e=a[b];if(e&&typeof e=="object")for(c in e)Object.prototype.hasOwnProperty.call(e,c)&&(d=walk(e,c),d!==undefined?e[c]=d:delete e[c]);return reviver.call(a,b,e)}var j;text=String(text),cx.lastIndex=0,cx.test(text)&&(text=text.replace(cx,function(a){return"\\u"+("0000"+a.charCodeAt(0).toString(16)).slice(-4)}));if(/^[\],:{}\s]*$/.test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,"@").replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,"]").replace(/(?:^|:|,)(?:\s*\[)+/g,"")))return j=eval("("+text+")"),typeof reviver=="function"?walk({"":j},""):j;throw new SyntaxError("JSON.parse")}}("undefined"!=typeof io?io:module.exports,typeof JSON!="undefined"?JSON:undefined),function(a,b){var c=a.parser={},d=c.packets=["disconnect","connect","heartbeat","message","json","event","ack","error","noop"],e=c.reasons=["transport not supported","client not handshaken","unauthorized"],f=c.advice=["reconnect"],g=b.JSON,h=b.util.indexOf;c.encodePacket=function(a){var b=h(d,a.type),c=a.id||"",i=a.endpoint||"",j=a.ack,k=null;switch(a.type){case"error":var l=a.reason?h(e,a.reason):"",m=a.advice?h(f,a.advice):"";if(l!==""||m!=="")k=l+(m!==""?"+"+m:"");break;case"message":a.data!==""&&(k=a.data);break;case"event":var n={name:a.name};a.args&&a.args.length&&(n.args=a.args),k=g.stringify(n);break;case"json":k=g.stringify(a.data);break;case"connect":a.qs&&(k=a.qs);break;case"ack":k=a.ackId+(a.args&&a.args.length?"+"+g.stringify(a.args):"")}var o=[b,c+(j=="data"?"+":""),i];return k!==null&&k!==undefined&&o.push(k),o.join(":")},c.encodePayload=function(a){var b="";if(a.length==1)return a[0];for(var c=0,d=a.length;c<d;c++){var e=a[c];b+="�"+e.length+"�"+a[c]}return b};var i=/([^:]+):([0-9]+)?(\+)?:([^:]+)?:?([\s\S]*)?/;c.decodePacket=function(a){var b=a.match(i);if(!b)return{};var c=b[2]||"",a=b[5]||"",h={type:d[b[1]],endpoint:b[4]||""};c&&(h.id=c,b[3]?h.ack="data":h.ack=!0);switch(h.type){case"error":var b=a.split("+");h.reason=e[b[0]]||"",h.advice=f[b[1]]||"";break;case"message":h.data=a||"";break;case"event":try{var j=g.parse(a);h.name=j.name,h.args=j.args}catch(k){}h.args=h.args||[];break;case"json":try{h.data=g.parse(a)}catch(k){}break;case"connect":h.qs=a||"";break;case"ack":var b=a.match(/^([0-9]+)(\+)?(.*)/);if(b){h.ackId=b[1],h.args=[];if(b[3])try{h.args=b[3]?g.parse(b[3]):[]}catch(k){}}break;case"disconnect":case"heartbeat":}return h},c.decodePayload=function(a){if(a.charAt(0)=="�"){var b=[];for(var d=1,e="";d<a.length;d++)a.charAt(d)=="�"?(b.push(c.decodePacket(a.substr(d+1).substr(0,e))),d+=Number(e)+1,e=""):e+=a.charAt(d);return b}return[c.decodePacket(a)]}}("undefined"!=typeof io?io:module.exports,"undefined"!=typeof io?io:module.parent.exports),function(a,b){function c(a,b){this.socket=a,this.sessid=b}a.Transport=c,b.util.mixin(c,b.EventEmitter),c.prototype.onData=function(a){this.clearCloseTimeout(),(this.socket.connected||this.socket.connecting||this.socket.reconnecting)&&this.setCloseTimeout();if(a!==""){var c=b.parser.decodePayload(a);if(c&&c.length)for(var d=0,e=c.length;d<e;d++)this.onPacket(c[d])}return this},c.prototype.onPacket=function(a){return this.socket.setHeartbeatTimeout(),a.type=="heartbeat"?this.onHeartbeat():(a.type=="connect"&&a.endpoint==""&&this.onConnect(),a.type=="error"&&a.advice=="reconnect"&&(this.open=!1),this.socket.onPacket(a),this)},c.prototype.setCloseTimeout=function(){if(!this.closeTimeout){var a=this;this.closeTimeout=setTimeout(function(){a.onDisconnect()},this.socket.closeTimeout)}},c.prototype.onDisconnect=function(){return this.close&&this.open&&this.close(),this.clearTimeouts(),this.socket.onDisconnect(),this},c.prototype.onConnect=function(){return this.socket.onConnect(),this},c.prototype.clearCloseTimeout=function(){this.closeTimeout&&(clearTimeout(this.closeTimeout),this.closeTimeout=null)},c.prototype.clearTimeouts=function(){this.clearCloseTimeout(),this.reopenTimeout&&clearTimeout(this.reopenTimeout)},c.prototype.packet=function(a){this.send(b.parser.encodePacket(a))},c.prototype.onHeartbeat=function(a){this.packet({type:"heartbeat"})},c.prototype.onOpen=function(){this.open=!0,this.clearCloseTimeout(),this.socket.onOpen()},c.prototype.onClose=function(){var a=this;this.open=!1,this.socket.onClose(),this.onDisconnect()},c.prototype.prepareUrl=function(){var a=this.socket.options;return this.scheme()+"://"+a.host+":"+a.port+"/"+a.resource+"/"+b.protocol+"/"+this.name+"/"+this.sessid},c.prototype.ready=function(a,b){b.call(this)}}("undefined"!=typeof io?io:module.exports,"undefined"!=typeof io?io:module.parent.exports),function(a,b,c){function d(a){this.options={port:80,secure:!1,document:"document"in c?document:!1,resource:"socket.io",transports:b.transports,"connect timeout":1e4,"try multiple transports":!0,reconnect:!0,"reconnection delay":500,"reconnection limit":Infinity,"reopen delay":3e3,"max reconnection attempts":10,"sync disconnect on unload":!0,"auto connect":!0,"flash policy port":10843},b.util.merge(this.options,a),this.connected=!1,this.open=!1,this.connecting=!1,this.reconnecting=!1,this.namespaces={},this.buffer=[],this.doBuffer=!1;if(this.options["sync disconnect on unload"]&&(!this.isXDomain()||b.util.ua.hasCORS)){var d=this;b.util.on(c,"unload",function(){d.disconnectSync()},!1)}this.options["auto connect"]&&this.connect()}function e(){}a.Socket=d,b.util.mixin(d,b.EventEmitter),d.prototype.of=function(a){return this.namespaces[a]||(this.namespaces[a]=new b.SocketNamespace(this,a),a!==""&&this.namespaces[a].packet({type:"connect"})),this.namespaces[a]},d.prototype.publish=function(){this.emit.apply(this,arguments);var a;for(var b in this.namespaces)this.namespaces.hasOwnProperty(b)&&(a=this.of(b),a.$emit.apply(a,arguments))},d.prototype.handshake=function(a){function f(b){b instanceof Error?c.onError(b.message):a.apply(null,b.split(":"))}var c=this,d=this.options,g=["http"+(d.secure?"s":"")+":/",d.host+":"+d.port,d.resource,b.protocol,b.util.query(this.options.query,"t="+ +(new Date))].join("/");if(this.isXDomain()&&!b.util.ua.hasCORS){var h=document.getElementsByTagName("script")[0],i=document.createElement("script");i.src=g+"&jsonp="+b.j.length,h.parentNode.insertBefore(i,h),b.j.push(function(a){f(a),i.parentNode.removeChild(i)})}else{var j=b.util.request();j.open("GET",g,!0),j.withCredentials=!0,j.onreadystatechange=function(){j.readyState==4&&(j.onreadystatechange=e,j.status==200?f(j.responseText):!c.reconnecting&&c.onError(j.responseText))},j.send(null)}},d.prototype.getTransport=function(a){var c=a||this.transports,d;for(var e=0,f;f=c[e];e++)if(b.Transport[f]&&b.Transport[f].check(this)&&(!this.isXDomain()||b.Transport[f].xdomainCheck()))return new b.Transport[f](this,this.sessionid);return null},d.prototype.connect=function(a){if(this.connecting)return this;var c=this;return this.handshake(function(d,e,f,g){function h(a){c.transport&&c.transport.clearTimeouts(),c.transport=c.getTransport(a);if(!c.transport)return c.publish("connect_failed");c.transport.ready(c,function(){c.connecting=!0,c.publish("connecting",c.transport.name),c.transport.open(),c.options["connect timeout"]&&(c.connectTimeoutTimer=setTimeout(function(){if(!c.connected){c.connecting=!1;if(c.options["try multiple transports"]){c.remainingTransports||(c.remainingTransports=c.transports.slice(0));var a=c.remainingTransports;while(a.length>0&&a.splice(0,1)[0]!=c.transport.name);a.length?h(a):c.publish("connect_failed")}}},c.options["connect timeout"]))})}c.sessionid=d,c.closeTimeout=f*1e3,c.heartbeatTimeout=e*1e3,c.transports=g?b.util.intersect(g.split(","),c.options.transports):c.options.transports,c.setHeartbeatTimeout(),h(c.transports),c.once("connect",function(){clearTimeout(c.connectTimeoutTimer),a&&typeof a=="function"&&a()})}),this},d.prototype.setHeartbeatTimeout=function(){clearTimeout(this.heartbeatTimeoutTimer);var a=this;this.heartbeatTimeoutTimer=setTimeout(function(){a.transport.onClose()},this.heartbeatTimeout)},d.prototype.packet=function(a){return this.connected&&!this.doBuffer?this.transport.packet(a):this.buffer.push(a),this},d.prototype.setBuffer=function(a){this.doBuffer=a,!a&&this.connected&&this.buffer.length&&(this.transport.payload(this.buffer),this.buffer=[])},d.prototype.disconnect=function(){if(this.connected||this.connecting)this.open&&this.of("").packet({type:"disconnect"}),this.onDisconnect("booted");return this},d.prototype.disconnectSync=function(){var a=b.util.request(),c=this.resource+"/"+b.protocol+"/"+this.sessionid;a.open("GET",c,!0),this.onDisconnect("booted")},d.prototype.isXDomain=function(){var a=c.location.port||("https:"==c.location.protocol?443:80);return this.options.host!==c.location.hostname||this.options.port!=a},d.prototype.onConnect=function(){this.connected||(this.connected=!0,this.connecting=!1,this.doBuffer||this.setBuffer(!1),this.emit("connect"))},d.prototype.onOpen=function(){this.open=!0},d.prototype.onClose=function(){this.open=!1,clearTimeout(this.heartbeatTimeoutTimer)},d.prototype.onPacket=function(a){this.of(a.endpoint).onPacket(a)},d.prototype.onError=function(a){a&&a.advice&&a.advice==="reconnect"&&(this.connected||this.connecting)&&(this.disconnect(),this.options.reconnect&&this.reconnect()),this.publish("error",a&&a.reason?a.reason:a)},d.prototype.onDisconnect=function(a){var b=this.connected,c=this.connecting;this.connected=!1,this.connecting=!1,this.open=!1;if(b||c)this.transport.close(),this.transport.clearTimeouts(),b&&(this.publish("disconnect",a),"booted"!=a&&this.options.reconnect&&!this.reconnecting&&this.reconnect())},d.prototype.reconnect=function(){function e(){if(a.connected){for(var b in a.namespaces)a.namespaces.hasOwnProperty(b)&&""!==b&&a.namespaces[b].packet({type:"connect"});a.publish("reconnect",a.transport.name,a.reconnectionAttempts)}clearTimeout(a.reconnectionTimer),a.removeListener("connect_failed",f),a.removeListener("connect",f),a.reconnecting=!1,delete a.reconnectionAttempts,delete a.reconnectionDelay,delete a.reconnectionTimer,delete a.redoTransports,a.options["try multiple transports"]=c}function f(){if(!a.reconnecting)return;if(a.connected)return e();if(a.connecting&&a.reconnecting)return a.reconnectionTimer=setTimeout(f,1e3);a.reconnectionAttempts++>=b?a.redoTransports?(a.publish("reconnect_failed"),e()):(a.on("connect_failed",f),a.options["try multiple transports"]=!0,a.transport=a.getTransport(),a.redoTransports=!0,a.connect()):(a.reconnectionDelay<d&&(a.reconnectionDelay*=2),a.connect(),a.publish("reconnecting",a.reconnectionDelay,a.reconnectionAttempts),a.reconnectionTimer=setTimeout(f,a.reconnectionDelay))}this.reconnecting=!0,this.reconnectionAttempts=0,this.reconnectionDelay=this.options["reconnection delay"];var a=this,b=this.options["max reconnection attempts"],c=this.options["try multiple transports"],d=this.options["reconnection limit"];this.options["try multiple transports"]=!1,this.reconnectionTimer=setTimeout(f,this.reconnectionDelay),this.on("connect",f)}}("undefined"!=typeof io?io:module.exports,"undefined"!=typeof io?io:module.parent.exports,this),function(a,b){function c(a,b){this.socket=a,this.name=b||"",this.flags={},this.json=new d(this,"json"),this.ackPackets=0,this.acks={}}function d(a,b){this.namespace=a,this.name=b}a.SocketNamespace=c,b.util.mixin(c,b.EventEmitter),c.prototype.$emit=b.EventEmitter.prototype.emit,c.prototype.of=function(){return this.socket.of.apply(this.socket,arguments)},c.prototype.packet=function(a){return a.endpoint=this.name,this.socket.packet(a),this.flags={},this},c.prototype.send=function(a,b){var c={type:this.flags.json?"json":"message",data:a};return"function"==typeof b&&(c.id=++this.ackPackets,c.ack=!0,this.acks[c.id]=b),this.packet(c)},c.prototype.emit=function(a){var b=Array.prototype.slice.call(arguments,1),c=b[b.length-1],d={type:"event",name:a};return"function"==typeof c&&(d.id=++this.ackPackets,d.ack="data",this.acks[d.id]=c,b=b.slice(0,b.length-1)),d.args=b,this.packet(d)},c.prototype.disconnect=function(){return this.name===""?this.socket.disconnect():(this.packet({type:"disconnect"}),this.$emit("disconnect")),this},c.prototype.onPacket=function(a){function d(){c.packet({type:"ack",args:b.util.toArray(arguments),ackId:a.id})}var c=this;switch(a.type){case"connect":this.$emit("connect");break;case"disconnect":this.name===""?this.socket.onDisconnect(a.reason||"booted"):this.$emit("disconnect",a.reason);break;case"message":case"json":var e=["message",a.data];a.ack=="data"?e.push(d):a.ack&&this.packet({type:"ack",ackId:a.id}),this.$emit.apply(this,e);break;case"event":var e=[a.name].concat(a.args);a.ack=="data"&&e.push(d),this.$emit.apply(this,e);break;case"ack":this.acks[a.ackId]&&(this.acks[a.ackId].apply(this,a.args),delete this.acks[a.ackId]);break;case"error":a.advice?this.socket.onError(a):a.reason=="unauthorized"?this.$emit("connect_failed",a.reason):this.$emit("error",a.reason)}},d.prototype.send=function(){this.namespace.flags[this.name]=!0,this.namespace.send.apply(this.namespace,arguments)},d.prototype.emit=function(){this.namespace.flags[this.name]=!0,this.namespace.emit.apply(this.namespace,arguments)}}("undefined"!=typeof io?io:module.exports,"undefined"!=typeof io?io:module.parent.exports),function(a,b,c){function d(a){b.Transport.apply(this,arguments)}a.websocket=d,b.util.inherit(d,b.Transport),d.prototype.name="websocket",d.prototype.open=function(){var a=b.util.query(this.socket.options.query),d=this,e;return e||(e=c.MozWebSocket||c.WebSocket),this.websocket=new e(this.prepareUrl()+a),this.websocket.onopen=function(){d.onOpen(),d.socket.setBuffer(!1)},this.websocket.onmessage=function(a){d.onData(a.data)},this.websocket.onclose=function(){d.onClose(),d.socket.setBuffer(!0)},this.websocket.onerror=function(a){d.onError(a)},this},d.prototype.send=function(a){return this.websocket.send(a),this},d.prototype.payload=function(a){for(var b=0,c=a.length;b<c;b++)this.packet(a[b]);return this},d.prototype.close=function(){return this.websocket.close(),this},d.prototype.onError=function(a){this.socket.onError(a)},d.prototype.scheme=function(){return this.socket.options.secure?"wss":"ws"},d.check=function(){return"WebSocket"in c&&!("__addTask"in WebSocket)||"MozWebSocket"in c},d.xdomainCheck=function(){return!0},b.transports.push("websocket")}("undefined"!=typeof io?io.Transport:module.exports,"undefined"!=typeof io?io:module.parent.exports,this),function(a,b,c){function d(a){if(!a)return;b.Transport.apply(this,arguments),this.sendBuffer=[]}function e(){}a.XHR=d,b.util.inherit(d,b.Transport),d.prototype.open=function(){return this.socket.setBuffer(!1),this.onOpen(),this.get(),this.setCloseTimeout(),this},d.prototype.payload=function(a){var c=[];for(var d=0,e=a.length;d<e;d++)c.push(b.parser.encodePacket(a[d]));this.send(b.parser.encodePayload(c))},d.prototype.send=function(a){return this.post(a),this},d.prototype.post=function(a){function d(){this.readyState==4&&(this.onreadystatechange=e,b.posting=!1,this.status==200?b.socket.setBuffer(!1):b.onClose())}function f(){this.onload=e,b.socket.setBuffer(!1)}var b=this;this.socket.setBuffer(!0),this.sendXHR=this.request("POST"),c.XDomainRequest&&this.sendXHR instanceof XDomainRequest?this.sendXHR.onload=this.sendXHR.onerror=f:this.sendXHR.onreadystatechange=d,this.sendXHR.send(a)},d.prototype.close=function(){return this.onClose(),this},d.prototype.request=function(a){var c=b.util.request(this.socket.isXDomain()),d=b.util.query(this.socket.options.query,"t="+ +(new Date));c.open(a||"GET",this.prepareUrl()+d,!0);if(a=="POST")try{c.setRequestHeader?c.setRequestHeader("Content-type","text/plain;charset=UTF-8"):c.contentType="text/plain"}catch(e){}return c},d.prototype.scheme=function(){return this.socket.options.secure?"https":"http"},d.check=function(a,d){try{var e=b.util.request(d),f=c.XDomainRequest&&e instanceof XDomainRequest,g=a&&a.options&&a.options.secure?"https:":"http:",h=g!=c.location.protocol;if(e&&(!f||!h))return!0}catch(i){}return!1},d.xdomainCheck=function(){return d.check(null,!0)}}("undefined"!=typeof io?io.Transport:module.exports,"undefined"!=typeof io?io:module.parent.exports,this),function(a,b){function c(a){b.Transport.XHR.apply(this,arguments)}a.htmlfile=c,b.util.inherit(c,b.Transport.XHR),c.prototype.name="htmlfile",c.prototype.get=function(){this.doc=new(window[["Active"].concat("Object").join("X")])("htmlfile"),this.doc.open(),this.doc.write("<html></html>"),this.doc.close(),this.doc.parentWindow.s=this;var a=this.doc.createElement("div");a.className="socketio",this.doc.body.appendChild(a),this.iframe=this.doc.createElement("iframe"),a.appendChild(this.iframe);var c=this,d=b.util.query(this.socket.options.query,"t="+ +(new Date));this.iframe.src=this.prepareUrl()+d,b.util.on(window,"unload",function(){c.destroy()})},c.prototype._=function(a,b){this.onData(a);try{var c=b.getElementsByTagName("script")[0];c.parentNode.removeChild(c)}catch(d){}},c.prototype.destroy=function(){if(this.iframe){try{this.iframe.src="about:blank"}catch(a){}this.doc=null,this.iframe.parentNode.removeChild(this.iframe),this.iframe=null,CollectGarbage()}},c.prototype.close=function(){return this.destroy(),b.Transport.XHR.prototype.close.call(this)},c.check=function(){if(typeof window!="undefined"&&["Active"].concat("Object").join("X")in window)try{var a=new(window[["Active"].concat("Object").join("X")])("htmlfile");return a&&b.Transport.XHR.check()}catch(c){}return!1},c.xdomainCheck=function(){return!1},b.transports.push("htmlfile")}("undefined"!=typeof io?io.Transport:module.exports,"undefined"!=typeof io?io:module.parent.exports),function(a,b,c){function d(){b.Transport.XHR.apply(this,arguments)}function e(){}a["xhr-polling"]=d,b.util.inherit(d,b.Transport.XHR),b.util.merge(d,b.Transport.XHR),d.prototype.name="xhr-polling",d.prototype.open=function(){var a=this;return 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e(a){b.Transport["xhr-polling"].apply(this,arguments),this.index=b.j.length;var c=this;b.j.push(function(a){c._(a)})}var d=c.document&&"MozAppearance"in c.document.documentElement.style;a["jsonp-polling"]=e,b.util.inherit(e,b.Transport["xhr-polling"]),e.prototype.name="jsonp-polling",e.prototype.post=function(a){function i(){j(),c.socket.setBuffer(!1)}function j(){c.iframe&&c.form.removeChild(c.iframe);try{h=document.createElement('<iframe name="'+c.iframeId+'">')}catch(a){h=document.createElement("iframe"),h.name=c.iframeId}h.id=c.iframeId,c.form.appendChild(h),c.iframe=h}var c=this,d=b.util.query(this.socket.options.query,"t="+ +(new Date)+"&i="+this.index);if(!this.form){var e=document.createElement("form"),f=document.createElement("textarea"),g=this.iframeId="socketio_iframe_"+this.index,h;e.className="socketio",e.style.position="absolute",e.style.top="0px",e.style.left="0px",e.style.display="none",e.target=g,e.method="POST",e.setAttribute("accept-charset","utf-8"),f.name="d",e.appendChild(f),document.body.appendChild(e),this.form=e,this.area=f}this.form.action=this.prepareUrl()+d,j(),this.area.value=b.JSON.stringify(a);try{this.form.submit()}catch(k){}this.iframe.attachEvent?h.onreadystatechange=function(){c.iframe.readyState=="complete"&&i()}:this.iframe.onload=i,this.socket.setBuffer(!0)},e.prototype.get=function(){var a=this,c=document.createElement("script"),e=b.util.query(this.socket.options.query,"t="+ +(new Date)+"&i="+this.index);this.script&&(this.script.parentNode.removeChild(this.script),this.script=null),c.async=!0,c.src=this.prepareUrl()+e,c.onerror=function(){a.onClose()};var f=document.getElementsByTagName("script")[0];f.parentNode.insertBefore(c,f),this.script=c,d&&setTimeout(function(){var a=document.createElement("iframe");document.body.appendChild(a),document.body.removeChild(a)},100)},e.prototype._=function(a){return this.onData(a),this.open&&this.get(),this},e.prototype.ready=function(a,c){var e=this;if(!d)return c.call(this);b.util.load(function(){c.call(e)})},e.check=function(){return"document"in c},e.xdomainCheck=function(){return!0},b.transports.push("jsonp-polling")}("undefined"!=typeof io?io.Transport:module.exports,"undefined"!=typeof io?io:module.parent.exports,this);