text: ;(function()
  {
  	/**
  	 * Bitrix Push & Pull
  	 * Pull client
  	 *
  	 * @package bitrix
  	 * @subpackage pull
  	 * @copyright 2001-2019 Bitrix
  	 */
  
  	/****************** ATTENTION *******************************
  	 * Please do not use Bitrix CoreJS in this class.
  	 * This class can be called on page without Bitrix Framework
  	*************************************************************/
  
  	if (!window.BX)
  	{
  		window.BX = {};
  	}
  	else if (window.BX.PullClient)
  	{
  		return;
  	}
  	else if (!window.BX.RestClient)
  	{
  		return;
  	}
  
  	var BX = window.BX;
  	var protobuf = window.protobuf;
  
  	var REVISION = 19; // api revision - check module/pull/include.php
  	var LONG_POLLING_TIMEOUT = 60;
  	var RESTORE_WEBSOCKET_TIMEOUT = 30 * 60;
  	var CONFIG_TTL = 24 * 60 * 60;
  	var CONFIG_CHECK_INTERVAL = 60000;
  
  	var LS_SESSION = "bx-pull-session";
  	var LS_SESSION_CACHE_TIME = 20;
  
  	var ConnectionType = {
  		WebSocket: 'webSocket',
  		LongPolling: 'longPolling'
  	};
  
  	var PullStatus = {
  		Online: 'online',
  		Offline: 'offline',
  		Connecting: 'connect'
  	};
  
  	var SenderType = {
  		Unknown: 0,
  		Client: 1,
  		Backend: 2
  	};
  
  	var SubscriptionType = {
  		Server: 'server',
  		Client: 'client',
  		Online: 'online',
  		Status: 'status',
  		Revision: 'revision'
  	};
  
  	var CloseReasons = {
  		NORMAL_CLOSURE : 1000,
  		SERVER_DIE : 1001,
  		CONFIG_REPLACED : 3000,
  		CHANNEL_EXPIRED : 3001,
  		SERVER_RESTARTED : 3002,
  		CONFIG_EXPIRED : 3003,
  		MANUAL : 3004,
  	};
  
  	var SystemCommands = {
  		CHANNEL_EXPIRE: 'CHANNEL_EXPIRE',
  		CONFIG_EXPIRE: 'CONFIG_EXPIRE',
  		SERVER_RESTART:'SERVER_RESTART'
  	};
  
  	var ServerMode = {
  		Shared: 'shared',
  		Personal: 'personal'
  	};
  
  	// Protobuf message models
  	var Response = protobuf.roots['push-server']['Response'];
  	var ResponseBatch = protobuf.roots['push-server']['ResponseBatch'];
  	var Request = protobuf.roots['push-server']['Request'];
  	var RequestBatch = protobuf.roots['push-server']['RequestBatch'];
  	var IncomingMessagesRequest = protobuf.roots['push-server']['IncomingMessagesRequest'];
  	var IncomingMessage = protobuf.roots['push-server']['IncomingMessage'];
  	var Receiver = protobuf.roots['push-server']['Receiver'];
  
  	var Pull = function (params)
  	{
  		params = params || {};
  
  		if (params.restApplication)
  		{
  			if (typeof params.configGetMethod === 'undefined')
  			{
  				params.configGetMethod = 'pull.application.config.get';
  			}
  			if (typeof params.skipCheckRevision === 'undefined')
  			{
  				params.skipCheckRevision = true;
  			}
  			if (typeof params.restApplication === 'string')
  			{
  				params.siteId = params.restApplication;
  			}
  
  			params.serverEnabled = true;
  		}
  
  		var self = this;
  
  		this.context = 'master';
  
  		this.guestMode = params.guestMode? params.guestMode: (typeof BX.message !== 'undefined' && BX.message.pull_guest_mode? BX.message.pull_guest_mode === 'Y': false);
  		this.guestUserId = params.guestUserId? params.guestUserId: (typeof BX.message !== 'undefined' && BX.message.pull_guest_user_id? parseInt(BX.message.pull_guest_user_id, 10): 0);
  		if(this.guestMode && this.guestUserId)
  		{
  			this.userId = this.guestUserId;
  		}
  		else
  		{
  			this.userId = params.userId? params.userId: (typeof BX.message !== 'undefined' && BX.message.USER_ID? BX.message.USER_ID: 0);
  		}
  
  		this.siteId = params.siteId? params.siteId: (typeof BX.message !== 'undefined' && BX.message.SITE_ID? BX.message.SITE_ID: 'none');
  		this.restClient = typeof params.restClient !== "undefined"? params.restClient: new BX.RestClient(this.getRestClientOptions());
  
  		this.enabled = typeof params.serverEnabled !== 'undefined'? (params.serverEnabled === 'Y' || params.serverEnabled === true): (typeof BX.message !== 'undefined' && BX.message.pull_server_enabled === 'Y');
  		this.unloading = false;
  		this.starting = false;
  		this.debug = false;
  		this.connectionAttempt = 0;
  		this.connectionType = '';
  		this.reconnectTimeout = null;
  		this.restoreWebSocketTimeout = null;
  
  		this.configGetMethod = typeof params.configGetMethod !== 'string'? 'pull.config.get': params.configGetMethod;
  		this.getPublicListMethod = typeof params.getPublicListMethod !== 'string'? 'pull.channel.public.list': params.getPublicListMethod;
  
  		this.skipStorageInit = params.skipStorageInit === true;
  
  		this.skipCheckRevision = params.skipCheckRevision === true;
  
  		this._subscribers = {};
  
  		this.watchTagsQueue = {};
  		this.watchUpdateInterval = 1740000;
  		this.watchForceUpdateInterval = 5000;
  
  		if (typeof params.configTimestamp !== 'undefined')
  		{
  			this.configTimestamp = params.configTimestamp;
  		}
  		else if (typeof BX.message !== 'undefined' && BX.message.pull_config_timestamp)
  		{
  			this.configTimestamp = BX.message.pull_config_timestamp;
  		}
  		else
  		{
  			this.configTimestamp = 0;
  		}
  
  		this.session = {
  			mid : null,
  			tag : null,
  			time : null,
  			history: {},
  			messageCount: 0
  		};
  
  		this._connectors = {
  			webSocket: null,
  			longPolling: null
  		};
  
  		Object.defineProperty(this, "connector", {
  			get: function()
  			{
  				return self._connectors[self.connectionType];
  			}
  		});
  
  		this.isSecure = document.location.href.indexOf('https') === 0;
  		this.config = null;
  
  		this.storage = null;
  
  		if(this.userId && !this.skipStorageInit)
  		{
  			this.storage = new StorageManager({
  				userId: this.userId,
  				siteId: this.siteId
  			});
  		}
  
  		this.sharedConfig = new SharedConfig({
  			onWebSocketBlockChanged: this.onWebSocketBlockChanged.bind(this),
  			storage: this.storage
  		});
  		this.channelManager = new ChannelManager({
  			restClient: this.restClient,
  			getPublicListMethod: this.getPublicListMethod
  		});
  
  		this.notificationPopup = null;
  
  		// timers
  		this.checkInterval = null;
  		this.offlineTimeout = null;
  
  		// manual stop workaround
  		this.isManualDisconnect = false;
  
  		this.loggingEnabled = this.sharedConfig.isLoggingEnabled();
  	};
  
  	/**
  	 * Creates a subscription to incoming messages.
  	 *
  	 * @param {Object} params
  	 * @param {string} [params.type] Subscription type (for possible values see SubscriptionType).
  	 * @param {string} [params.moduleId] Name of the module.
  	 * @param {Function} params.callback Function, that will be called for incoming messages.
  	 * @returns {Function} - Unsubscribe callback function
  	 */
  	Pull.prototype.subscribe = function(params)
  	{
  		/**
  		 * After modify this method, copy to follow scripts:
  		 * mobile/install/mobileapp/mobile/extensions/bitrix/pull/client/events/extension.js
  		 * mobile/install/js/mobile/pull/client/src/client.js
  		 */
  
  		if (!params)
  		{
  			console.error(Utils.getDateForLog() + ': Pull.subscribe: params for subscribe function is invalid. ');
  			return function(){}
  		}
  
  		if (!Utils.isPlainObject(params))
  		{
  			return this.attachCommandHandler(params);
  		}
  
  		params = params || {};
  		params.type = params.type || SubscriptionType.Server;
  		params.command = params.command || null;
  
  		if (params.type == SubscriptionType.Server || params.type == SubscriptionType.Client)
  		{
  			if (typeof (this._subscribers[params.type]) === 'undefined')
  			{
  				this._subscribers[params.type] = {};
  			}
  			if (typeof (this._subscribers[params.type][params.moduleId]) === 'undefined')
  			{
  				this._subscribers[params.type][params.moduleId] = {
  					'callbacks': [],
  					'commands': {},
  				};
  			}
  
  			if (params.command)
  			{
  				if (typeof (this._subscribers[params.type][params.moduleId]['commands'][params.command]) === 'undefined')
  				{
  					this._subscribers[params.type][params.moduleId]['commands'][params.command] = [];
  				}
  
  				this._subscribers[params.type][params.moduleId]['commands'][params.command].push(params.callback);
  
  				return function () {
  					this._subscribers[params.type][params.moduleId]['commands'][params.command] = this._subscribers[params.type][params.moduleId]['commands'][params.command].filter(function(element) {
  						return element !== params.callback;
  					});
  				}.bind(this);
  			}
  			else
  			{
  				this._subscribers[params.type][params.moduleId]['callbacks'].push(params.callback);
  
  				return function () {
  					this._subscribers[params.type][params.moduleId]['callbacks'] = this._subscribers[params.type][params.moduleId]['callbacks'].filter(function(element) {
  						return element !== params.callback;
  					});
  				}.bind(this);
  			}
  		}
  		else
  		{
  			if (typeof (this._subscribers[params.type]) === 'undefined')
  			{
  				this._subscribers[params.type] = [];
  			}
  
  			this._subscribers[params.type].push(params.callback);
  
  			return function () {
  				this._subscribers[params.type] = this._subscribers[params.type].filter(function(element) {
  					return element !== params.callback;
  				});
  			}.bind(this);
  		}
  	};
  
  	Pull.prototype.attachCommandHandler = function(handler)
  	{
  		/**
  		 * After modify this method, copy to follow scripts:
  		 * mobile/install/mobileapp/mobile/extensions/bitrix/pull/client/extension.js
  		 */
  		if (typeof handler.getModuleId !== 'function' || typeof handler.getModuleId() !== 'string')
  		{
  			console.error(Utils.getDateForLog() + ': Pull.attachCommandHandler: result of handler.getModuleId() is not a string.');
  			return function(){}
  		}
  
  		var type = SubscriptionType.Server;
  		if (typeof handler.getSubscriptionType === 'function')
  		{
  			type = handler.getSubscriptionType();
  		}
  
  		this.subscribe({
  			type: type,
  			moduleId: handler.getModuleId(),
  			callback: function(data)
  			{
  				var method = null;
  
  				if (typeof handler.getMap === 'function')
  				{
  					var mapping = handler.getMap();
  					if (mapping && typeof mapping === 'object')
  					{
  						if (typeof mapping[data.command] === 'function')
  						{
  							method = mapping[data.command].bind(handler)
  						}
  						else if (typeof mapping[data.command] === 'string' && typeof handler[mapping[data.command]] === 'function')
  						{
  							method = handler[mapping[data.command]].bind(handler);
  						}
  					}
  				}
  
  				if (!method)
  				{
  					var methodName = 'handle'+data.command.charAt(0).toUpperCase() + data.command.slice(1);
  					if (typeof handler[methodName] === 'function')
  					{
  						method = handler[methodName].bind(handler);
  					}
  				}
  
  				if (method)
  				{
  					if (this.debug && this.context !== 'master')
  					{
  						console.warn(Utils.getDateForLog() + ': Pull.attachCommandHandler: receive command', data);
  					}
  					method(data.params, data.extra, data.command);
  				}
  			}.bind(this)
  		});
  	};
  
  	/**
  	 *
  	 * @param params {Object}
  	 * @returns {boolean}
  	 */
  	Pull.prototype.emit = function(params)
  	{
  		/**
  		 * After modify this method, copy to follow scripts:
  		 * mobile/install/mobileapp/mobile/extensions/bitrix/pull/client/events/extension.js
  		 * mobile/install/js/mobile/pull/client/src/client.js
  		 */
  		params = params || {};
  
  		if (params.type == SubscriptionType.Server || params.type == SubscriptionType.Client)
  		{
  			if (typeof (this._subscribers[params.type]) === 'undefined')
  			{
  				this._subscribers[params.type] = {};
  			}
  			if (typeof (this._subscribers[params.type][params.moduleId]) === 'undefined')
  			{
  				this._subscribers[params.type][params.moduleId] = {
  					'callbacks': [],
  					'commands': {},
  				};
  			}
  
  			if (this._subscribers[params.type][params.moduleId]['callbacks'].length > 0)
  			{
  				this._subscribers[params.type][params.moduleId]['callbacks'].forEach(function(callback){
  					callback(params.data, {type: params.type, moduleId: params.moduleId});
  				});
  			}
  
  			if (
  				this._subscribers[params.type][params.moduleId]['commands'][params.data.command]
  				&& this._subscribers[params.type][params.moduleId]['commands'][params.data.command].length > 0)
  			{
  				this._subscribers[params.type][params.moduleId]['commands'][params.data.command].forEach(function(callback){
  					callback(params.data.params, params.data.extra, params.data.command, {type: params.type, moduleId: params.moduleId});
  				});
  			}
  
  			return true;
  		}
  		else
  		{
  			if (typeof (this._subscribers[params.type]) === 'undefined')
  			{
  				this._subscribers[params.type] = [];
  			}
  
  			if (this._subscribers[params.type].length <= 0)
  			{
  				return true;
  			}
  
  			this._subscribers[params.type].forEach(function(callback){
  				callback(params.data, {type: params.type});
  			});
  
  			return true;
  		}
  	};
  
  	Pull.prototype.init = function()
  	{
  		this._connectors.webSocket = new WebSocketConnector({
  			parent: this,
  			onOpen: this.onWebSocketOpen.bind(this),
  			onMessage: this.parseResponse.bind(this),
  			onDisconnect: this.onWebSocketDisconnect.bind(this),
  			onError: this.onWebSocketError.bind(this)
  		});
  
  		this._connectors.longPolling = new LongPollingConnector({
  			parent: this,
  			onOpen: this.onLongPollingOpen.bind(this),
  			onMessage: this.parseResponse.bind(this),
  			onDisconnect: this.onLongPollingDisconnect.bind(this),
  			onError: this.onLongPollingError.bind(this)
  		});
  
  		this.connectionType = this.isWebSocketAllowed() ? ConnectionType.WebSocket : ConnectionType.LongPolling;
  
  		window.addEventListener("beforeunload", this.onBeforeUnload.bind(this));
  		window.addEventListener("offline", this.onOffline.bind(this));
  		window.addEventListener("online", this.onOnline.bind(this));
  
  		if(BX && BX.addCustomEvent)
  		{
  			BX.addCustomEvent("BXLinkOpened", this.connect.bind(this));
  		}
  
  		if (BX && BX.desktop)
  		{
  			BX.addCustomEvent("onDesktopReload", function() {
  				this.session.mid = null;
  				this.session.tag = null;
  				this.session.time = null;
  			}.bind(this));
  
  			BX.desktop.addCustomEvent("BXLoginSuccess", function() {
  				this.restart(1000, "Desktop login");
  			}.bind(this));
  		}
  	};
  
  	Pull.prototype.start = function(config)
  	{
  		if(this.starting || this.isConnected())
  		{
  			return;
  		}
  
  		if(!this.userId && typeof(BX.message) !== 'undefined' && BX.message.USER_ID)
  		{
  			this.userId = BX.message.USER_ID;
  			if(!this.storage)
  			{
  				this.storage = new StorageManager({
  					userId: this.userId,
  					siteId: this.siteId
  				});
  			}
  		}
  		if(this.siteId === 'none' && typeof(BX.message) !== 'undefined' && BX.message.SITE_ID)
  		{
  			this.siteId = BX.message.SITE_ID;
  		}
  
  		var result = new BX.Promise();
  
  		var skipReconnectToLastSession = false;
  		if (Utils.isPlainObject(config))
  		{
  			if (typeof config.skipReconnectToLastSession !== 'undefined')
  			{
  				skipReconnectToLastSession = !!config.skipReconnectToLastSession;
  				delete config.skipReconnectToLastSession;
  			}
  			this.config = config;
  		}
  
  		if (!this.enabled)
  		{
  			result.reject({
  				ex: { error: 'PULL_DISABLED', error_description: 'Push & Pull server is disabled'}
  			});
  			return result;
  		}
  
  		var self = this;
  		var now = (new Date()).getTime();
  		var oldSession;
  		if(!skipReconnectToLastSession && this.storage)
  		{
  			oldSession = this.storage.get(LS_SESSION);
  		}
  		if(Utils.isPlainObject(oldSession) && oldSession.hasOwnProperty('ttl') && oldSession.ttl >= now)
  		{
  			this.session.mid = oldSession.mid;
  		}
  
  		this.starting = true;
  		this.loadConfig().catch(function(error)
  		{
  			self.starting = false;
  			self.sendPullStatus(PullStatus.Offline);
  			self.stopCheckConfig();
  			console.error(Utils.getDateForLog() + ': Pull: could not read push-server config. ', error);
  			result.reject(error);
  		}).then(function(config)
  		{
  			self.setConfig(config);
  			self.init();
  			self.connect();
  			self.updateWatch();
  			self.startCheckConfig();
  			result.resolve(true);
  		});
  
  		return result;
  	};
  
  	Pull.prototype.getRestClientOptions = function()
  	{
  		var result = {};
  
  		if(this.guestMode && this.guestUserId !== 0)
  		{
  			result.queryParams = {
  				pull_guest_id: this.guestUserId
  			}
  		}
  		return result;
  	};
  
  	Pull.prototype.setLastMessageId = function(lastMessageId)
  	{
  		this.session.mid = lastMessageId;
  	};
  
  	/**
  	 *
  	 * @param {object[]} publicIds
  	 * @param {integer} publicIds.user_id
  	 * @param {string} publicIds.public_id
  	 * @param {string} publicIds.signature
  	 * @param {Date} publicIds.start
  	 * @param {Date} publicIds.end
  	 */
  	Pull.prototype.setPublicIds = function(publicIds)
  	{
  		return this.channelManager.setPublicIds(publicIds);
  	};
  
  	/**
  	 * Send single message to the specified public channel.
  	 *
  	 * @param {integer[]} users User ids the message receivers.
  	 * @param {string} moduleId Name of the module to receive message,
  	 * @param {string} command Command name.
  	 * @param {object} params Command parameters.
  	 * @param {integer} [expiry] Message expiry time in seconds.
  	 * @return {BX.Promise<bool>}
  	 */
  	Pull.prototype.sendMessage = function(users, moduleId, command, params, expiry)
  	{
  		return this.sendMessageBatch([{
  			users: users,
  			moduleId: moduleId,
  			command: command,
  			params: params,
  			expiry: expiry
  		}]);
  	};
  
  	/**
  	 * Sends batch of messages to the multiple public channels.
  	 *
  	 * @param {object[]} messageBatch Array of messages to send.
  	 * @param  {int[]} messageBatch.users User ids the message receivers.
  	 * @param {string} messageBatch.moduleId Name of the module to receive message,
  	 * @param {string} messageBatch.command Command name.
  	 * @param {object} messageBatch.params Command parameters.
  	 * @param {integer} [messageBatch.expiry] Message expiry time in seconds.
  	 * @return {BX.Promise<bool>}
  	 */
  	Pull.prototype.sendMessageBatch = function(messageBatch)
  	{
  		if(!this.isPublishingEnabled())
  		{
  			console.error('Client publishing is not supported or is disabled');
  			return false;
  		}
  
  		var messages = [];
  		var userIds = {};
  		for(var i = 0; i < messageBatch.length; i++)
  		{
  			for(var j = 0; j < messageBatch[i].users.length; j++)
  			{
  				userIds[messageBatch[i].users[j]] = true;
  			}
  		}
  
  		this.channelManager.getPublicIds(Object.keys(userIds)).then(function(publicIds)
  		{
  			messageBatch.forEach(function(messageFields)
  			{
  				var messageBody = {
  					module_id: messageFields.moduleId,
  					command: messageFields.command,
  					params: messageFields.params
  				};
  				var message = IncomingMessage.create({
  					receivers: this.createMessageReceivers(messageFields.users, publicIds),
  					body: JSON.stringify(messageBody),
  					expiry: messageFields.expiry || 0
  				});
  				messages.push(message);
  			}, this);
  
  			var requestBatch = RequestBatch.create({
  				requests: [{
  					incomingMessages: {
  						messages: messages
  					}
  				}]
  			});
  
  			var buffer = RequestBatch.encode(requestBatch).finish();
  			return this.connector.send(buffer);
  
  		}.bind(this))
  	};
  
  	Pull.prototype.createMessageReceivers = function(users, publicIds)
  	{
  		var result = [];
  		for(var i = 0; i < users.length; i++)
  		{
  			var userId = users[i];
  			if(!publicIds[userId] || !publicIds[userId].publicId)
  			{
  				throw new Error('Could not determine public id for user ' + userId);
  			}
  
  			result.push(Receiver.create({
  				id: this.encodeId(publicIds[userId].publicId),
  				signature: this.encodeId(publicIds[userId].signature)
  			}))
  		}
  		return result;
  	};
  
  	Pull.prototype.restart = function(disconnectCode, disconnectReason)
  	{
  		var self = this;
  		this.disconnect(disconnectCode, disconnectReason);
  		if(this.storage)
  		{
  			this.storage.remove('bx-pull-config');
  		}
  		this.config = null;
  
  		this.loadConfig().catch(function(error)
  		{
  			console.error(Utils.getDateForLog() + ': Pull: could not read push-server config', error);
  			self.sendPullStatus(PullStatus.Offline);
  
  			clearTimeout(self.reconnectTimeout);
  			if(error.status == 401 || error.status == 403)
  			{
  				self.stopCheckConfig();
  
  				if(BX && BX.onCustomEvent)
  				{
  					BX.onCustomEvent(window, 'onPullError', ['AUTHORIZE_ERROR']);
  				}
  			}
  		}).then(function(config)
  		{
  			self.setConfig(config);
  			self.connect();
  			self.updateWatch();
  			self.startCheckConfig();
  		});
  	};
  
  	Pull.prototype.loadConfig = function ()
  	{
  		var result = new BX.Promise();
  		if (!this.config)
  		{
  			this.config = {
  				api: {},
  				channels: {},
  				publicChannels: {},
  				server: { timeShift: 0 },
  				clientId: null
  			};
  
  			var config;
  			if(this.storage)
  			{
  				config = this.storage.get('bx-pull-config');
  			}
  			if(this.isConfigActual(config) && this.checkRevision(config.api.revision_web))
  			{
  				result.resolve(config);
  				return result;
  			}
  			else if (this.storage)
  			{
  				this.storage.remove('bx-pull-config')
  			}
  		}
  		else if(this.isConfigActual(this.config) && this.checkRevision(this.config.api.revision_web))
  		{
  			result.resolve(this.config);
  			return result;
  		}
  		else
  		{
  			this.config = {
  				api: {},
  				channels: {},
  				publicChannels: {},
  				server: { timeShift: 0 },
  				clientId: null
  			};
  		}
  
  		this.restClient.callBatch({
  			serverTime : ['server.time'],
  			configGet : [this.configGetMethod, {'CACHE': 'N'}]
  		}, function(response) {
  			if (!response)
  			{
  				result.reject(new Error("Network error while getting new config"));
  				return false;
  			}
  
  			var timeShift = 0;
  			if (response.serverTime && !response.serverTime.error())
  			{
  				timeShift = Math.floor((Utils.getTimestamp() - new Date(response.serverTime.data()).getTime())/1000);
  			}
  
  			if (response.configGet.error())
  			{
  				var error = response.configGet.error();
  				if(error.getError().error == "AUTHORIZE_ERROR" || error.getError().error == "WRONG_AUTH_TYPE")
  				{
  					error.status = 403;
  				}
  				result.reject(error);
  			}
  			else if (response.configGet)
  			{
  				var config = response.configGet.data();
  				config.server.timeShift = timeShift;
  
  				result.resolve(config)
  			}
  		}, false, false, 'pull.config');
  
  		return result;
  	};
  
  	Pull.prototype.isConfigActual = function(config)
  	{
  		if(!Utils.isPlainObject(config))
  		{
  			return false;
  		}
  
  		if(config.server.config_timestamp < this.configTimestamp)
  		{
  			return false;
  		}
  
  		var now = new Date();
  
  		var channelCount = Object.keys(config.channels).length;
  		if(channelCount === 0)
  		{
  			return false;
  		}
  
  		for(var channelType in config.channels)
  		{
  			if (!config.channels.hasOwnProperty(channelType))
  			{
  				continue;
  			}
  
  			var channel = config.channels[channelType];
  			var channelEnd = new Date(channel.end);
  
  			if(channelEnd < now)
  			{
  				return false;
  			}
  		}
  
  		return true;
  	};
  
  	Pull.prototype.startCheckConfig = function()
  	{
  		if(this.checkInterval)
  		{
  			clearInterval(this.checkInterval);
  		}
  
  		this.checkInterval = setInterval(this.checkConfig.bind(this), CONFIG_CHECK_INTERVAL)
  	};
  
  	Pull.prototype.stopCheckConfig = function()
  	{
  		if(this.checkInterval)
  		{
  			clearInterval(this.checkInterval);
  		}
  		this.checkInterval = null;
  	};
  
  	Pull.prototype.checkConfig = function()
  	{
  		if(this.isConfigActual(this.config))
  		{
  			if(!this.checkRevision(this.config.api.revision_web))
  			{
  				return false;
  			}
  		}
  		else
  		{
  			this.logToConsole("Stale config detected. Restarting");
  			this.restart(CloseReasons.CONFIG_EXPIRED, "Config update required");
  		}
  	};
  
  	Pull.prototype.setConfig = function(config)
  	{
  		for (var key in config)
  		{
  			if(config.hasOwnProperty(key) && this.config.hasOwnProperty(key))
  			{
  				this.config[key] = config[key];
  			}
  		}
  
  		if (config.publicChannels)
  		{
  			this.setPublicIds(Utils.objectValues(config.publicChannels));
  		}
  
  		if(this.storage)
  		{
  			this.storage.set('bx-pull-config', config);
  		}
  	};
  
  	Pull.prototype.isWebSocketSupported = function()
  	{
  		return typeof(window.WebSocket) !== "undefined";
  	};
  
  	Pull.prototype.isWebSocketAllowed = function()
  	{
  		if(this.sharedConfig.isWebSocketBlocked())
  		{
  			return false;
  		}
  
  		return this.isWebSocketEnabled();
  	};
  
  	Pull.prototype.isWebSocketEnabled = function()
  	{
  		if(!this.isWebSocketSupported())
  		{
  			return false;
  		}
  
  		return (this.config && this.config.server && this.config.server.websocket_enabled === true);
  	};
  
  	Pull.prototype.isPublishingSupported = function ()
  	{
  		return this.getServerVersion() > 3;
  	};
  
  	Pull.prototype.isPublishingEnabled = function ()
  	{
  		if(!this.isPublishingSupported())
  		{
  			return false;
  		}
  
  		return (this.config && this.config.server && this.config.server.publish_enabled === true);
  	};
  
  	Pull.prototype.isProtobufSupported = function()
  	{
  		return (this.getServerVersion() > 3 && !Utils.browser.IsIe());
  	};
  
  	Pull.prototype.isSharedMode = function()
  	{
  		return (this.getServerMode() == ServerMode.Shared)
  	};
  
  	Pull.prototype.disconnect = function(disconnectCode, disconnectReason)
  	{
  		if(this.connector)
  		{
  			this.isManualDisconnect = true;
  			this.connector.disconnect(disconnectCode, disconnectReason);
  		}
  	};
  
  	Pull.prototype.stop = function(disconnectCode, disconnectReason)
  	{
  		this.disconnect(disconnectCode, disconnectReason);
  		this.stopCheckConfig();
  	};
  
  	Pull.prototype.reconnect = function(disconnectCode, disconnectReason, delay)
  	{
  		this.disconnect(disconnectCode, disconnectReason);
  
  		delay = delay || 1;
  		this.scheduleReconnect(delay);
  	};
  
  	Pull.prototype.restoreWebSocketConnection = function()
  	{
  		if(this.connectionType == ConnectionType.WebSocket)
  		{
  			return true;
  		}
  
  		this._connectors.webSocket.connect();
  	};
  
  	Pull.prototype.scheduleReconnect = function(connectionDelay)
  	{
  		if(!this.enabled)
  			return false;
  
  		if(!connectionDelay)
  		{
  			if(this.connectionAttempt > 3 && this.connectionType === ConnectionType.WebSocket)
  			{
  				// Websocket seems to be closed by network filter. Trying to fallback to long polling
  				this.sharedConfig.setWebSocketBlocked(true);
  				this.connectionType = ConnectionType.LongPolling;
  				this.connectionAttempt = 1;
  				connectionDelay = 1;
  			}
  			else
  			{
  				connectionDelay = this.getConnectionAttemptDelay(this.connectionAttempt);
  			}
  		}
  		if(this.reconnectTimeout)
  		{
  			clearTimeout(this.reconnectTimeout);
  		}
  
  		this.logToConsole('Pull: scheduling reconnection in ' + connectionDelay + ' seconds; attempt # ' + this.connectionAttempt);
  
  		this.reconnectTimeout = setTimeout(this.connect.bind(this), connectionDelay * 1000);
  	};
  
  	Pull.prototype.scheduleRestoreWebSocketConnection = function()
  	{
  		this.logToConsole('Pull: scheduling restoration of websocket connection in ' + RESTORE_WEBSOCKET_TIMEOUT + ' seconds');
  
  		var self = this;
  		if(this.restoreWebSocketTimeout)
  		{
  			return;
  		}
  
  		this.restoreWebSocketTimeout = setTimeout(function()
  		{
  			self.restoreWebSocketTimeout = 0;
  			self.restoreWebSocketConnection();
  		}, RESTORE_WEBSOCKET_TIMEOUT * 1000);
  	};
  
  	Pull.prototype.connect = function()
  	{
  		if(!this.enabled || this.connector.connected)
  		{
  			return false;
  		}
  
  		if(this.reconnectTimeout)
  		{
  			clearTimeout(this.reconnectTimeout);
  		}
  
  		this.sendPullStatus(PullStatus.Connecting);
  		this.connectionAttempt++;
  		this.connector.connect();
  	};
  
  	Pull.prototype.parseResponse = function (response)
  	{
  		var text;
  
  		var events = this.extractMessages(response);
  		var messages = [];
  		if (events.length === 0)
  		{
  			this.session.mid = null;
  			return;
  		}
  
  		for (var i = 0; i < events.length; i++)
  		{
  			var event = events[i];
  
  			this.session.mid = event.mid || null;
  			this.session.tag = event.tag || null;
  			this.session.time = event.time || null;
  
  			messages.push(event.text);
  
  			if (!this.session.history[event.text.module_id])
  			{
  				this.session.history[event.text.module_id] = {};
  			}
  			if (!this.session.history[event.text.module_id][event.text.command])
  			{
  				this.session.history[event.text.module_id][event.text.command] = 0;
  			}
  			this.session.history[event.text.module_id][event.text.command]++;
  			this.session.messageCount++;
  		}
  
  		this.broadcastMessages(messages);
  	};
  
  	Pull.prototype.extractMessages = function (pullEvent)
  	{
  		if(pullEvent instanceof ArrayBuffer)
  		{
  			return this.extractProtobufMessages(pullEvent);
  		}
  		else if(Utils.isNotEmptyString(pullEvent))
  		{
  			return this.extractPlainTextMessages(pullEvent)
  		}
  	};
  
  	Pull.prototype.extractProtobufMessages = function(pullEvent)
  	{
  		var result = [];
  		try
  		{
  			var responseBatch = ResponseBatch.decode(new Uint8Array(pullEvent));
  			for (var i = 0; i < responseBatch.responses.length; i++)
  			{
  				var response = responseBatch.responses[i];
  				if (response.command != "outgoingMessages")
  				{
  					continue;
  				}
  
  				var messages = responseBatch.responses[i].outgoingMessages.messages;
  				for (var m = 0; m < messages.length; m++)
  				{
  					var message = messages[m];
  					var messageFields;
  					try
  					{
  						messageFields = JSON.parse(message.body)
  					}
  					catch (e)
  					{
  						console.error(Utils.getDateForLog() + ": Pull: Could not parse message body", e);
  						continue;
  					}
  
  					if(!messageFields.extra)
  					{
  						messageFields.extra = {}
  					}
  					messageFields.extra.sender = {
  						type: message.sender.type
  					};
  
  					if(message.sender.id instanceof Uint8Array)
  					{
  						messageFields.extra.sender.id = this.decodeId(message.sender.id)
  					}
  
  					var compatibleMessage = {
  						mid: this.decodeId(message.id),
  						text: messageFields
  					};
  
  					result.push(compatibleMessage);
  				}
  			}
  		}
  		catch(e)
  		{
  			console.error(Utils.getDateForLog() + ": Pull: Could not parse message", e)
  		}
  		return result;
  	};
  
  	Pull.prototype.extractPlainTextMessages = function(pullEvent)
  	{
  		var result = [];
  		var dataArray = pullEvent.match(/#!NGINXNMS!#(.*?)#!NGINXNME!#/gm);
  		if (dataArray === null)
  		{
  			text = "\n========= PULL ERROR ===========\n"+
  				"Error type: parseResponse error parsing message\n"+
  				"\n"+
  				"Data string: " + pullEvent + "\n"+
  				"================================\n\n";
  			console.warn(text);
  			return result;
  		}
  		for (var i = 0; i < dataArray.length; i++)
  		{
  			dataArray[i] = dataArray[i].substring(12, dataArray[i].length - 12);
  			if (dataArray[i].length <= 0)
  			{
  				continue;
  			}
  
  			try
  			{
  				var data = JSON.parse(dataArray[i])
  			}
  			catch(e)
  			{
  				continue;
  			}
  
  			result.push(data);
  		}
  		return result;
  	};
  
  	/**
  	 * Converts message id from byte[] to string
  	 * @param {Uint8Array} encodedId
  	 * @return {string}
  	 */
  	Pull.prototype.decodeId = function(encodedId)
  	{
  		if(!(encodedId instanceof Uint8Array))
  		{
  			throw new Error("encodedId should be an instance of Uint8Array");
  		}
  
  		var result = "";
  		for (var i = 0; i < encodedId.length; i++)
  		{
  			var hexByte = encodedId[i].toString(16);
  			if (hexByte.length === 1)
  			{
  				result += '0';
  			}
  			result += hexByte;
  		}
  		return result;
  	};
  
  	/**
  	 * Converts message id from hex-encoded string to byte[]
  	 * @param {string} id Hex-encoded string.
  	 * @return {Uint8Array}
  	 */
  	Pull.prototype.encodeId = function(id)
  	{
  		if (!id)
  		{
  			return new Uint8Array();
  		}
  
  		var result = [];
  		for (var i = 0; i < id.length; i += 2)
  		{
  			result.push(parseInt(id.substr(i, 2), 16));
  		}
  
  		return new Uint8Array(result);
  	};
  
  	Pull.prototype.broadcastMessages = function (messages)
  	{
  		messages.forEach(function (message)
  		{
  			var moduleId = message.module_id = message.module_id.toLowerCase();
  			var command = message.command;
  
  			if(!message.extra)
  			{
  				message.extra = {};
  			}
  
  			if(message.extra.server_time_unix)
  			{
  				message.extra.server_time_ago = ((Utils.getTimestamp() - (message.extra.server_time_unix * 1000)) / 1000)-(this.config.server.timeShift? this.config.server.timeShift: 0);
  				message.extra.server_time_ago = message.extra.server_time_ago > 0 ? message.extra.server_time_ago : 0;
  			}
  
  			this.logMessage(message);
  			try
  			{
  				if(message.extra.sender && message.extra.sender.type === SenderType.Client)
  				{
  					if (typeof BX.onCustomEvent !== 'undefined')
  					{
  						BX.onCustomEvent(window, 'onPullClientEvent-' + moduleId, [command, message.params, message.extra], true);
  						BX.onCustomEvent(window, 'onPullClientEvent', [moduleId, command, message.params, message.extra], true);
  					}
  
  					this.emit({
  						type: SubscriptionType.Client,
  						moduleId: moduleId,
  						data: {
  							command: command,
  							params: Utils.clone(message.params),
  							extra: Utils.clone(message.extra)
  						}
  					});
  				}
  				else if (moduleId === 'pull')
  				{
  					this.handleInternalPullEvent(command, message);
  				}
  				else if (moduleId == 'online')
  				{
  					if (message.extra.server_time_ago < 240)
  					{
  						if (typeof BX.onCustomEvent !== 'undefined')
  						{
  							BX.onCustomEvent(window, 'onPullOnlineEvent', [command, message.params, message.extra], true);
  						}
  
  						this.emit({
  							type: SubscriptionType.Online,
  							data: {
  								command: command,
  								params: Utils.clone(message.params),
  								extra: Utils.clone(message.extra)
  							}
  						});
  					}
  				}
  				else
  				{
  					if (typeof BX.onCustomEvent !== 'undefined')
  					{
  						BX.onCustomEvent(window, 'onPullEvent-' + moduleId, [command, message.params, message.extra], true);
  						BX.onCustomEvent(window, 'onPullEvent', [moduleId, command, message.params, message.extra], true);
  					}
  
  					this.emit({
  						type: SubscriptionType.Server,
  						moduleId: moduleId,
  						data: {
  							command: command,
  							params: Utils.clone(message.params),
  							extra: Utils.clone(message.extra)
  						}
  					});
  				}
  			}
  			catch(e)
  			{
  				if (typeof(console) == 'object')
  				{
  					console.warn(
  						"\n========= PULL ERROR ===========\n"+
  						"Error type: broadcastMessages execute error\n"+
  						"Error event: ", e, "\n"+
  						"Message: ", message, "\n"+
  						"================================\n"
  					);
  					if (typeof BX.debug !== 'undefined')
  					{
  						BX.debug(e);
  					}
  				}
  			}
  
  			if(message.extra && message.extra.revision_web)
  			{
  				this.checkRevision(message.extra.revision_web);
  			}
  		}, this);
  	};
  
  	Pull.prototype.logToConsole = function(message)
  	{
  		if(this.loggingEnabled)
  		{
  			console.log(Utils.getDateForLog() + ': ' + message);
  		}
  	};
  
  	Pull.prototype.logMessage = function(message)
  	{
  		if(!this.debug)
  		{
  			return;
  		}
  
  		if(message.extra.sender && message.extra.sender.type === SenderType.Client)
  		{
  			console.info('onPullClientEvent-' + message.module_id, message.command, message.params, message.extra);
  		}
  		else if (message.moduleId == 'online')
  		{
  			console.info('onPullOnlineEvent', message.command, message.params, message.extra);
  		}
  		else
  		{
  			console.info('onPullEvent', message.module_id, message.command, message.params, message.extra);
  		}
  	};
  
  	Pull.prototype.onLongPollingOpen = function()
  	{
  		this.unloading = false;
  		this.starting = false;
  		this.connectionAttempt = 0;
  		this.isManualDisconnect = false;
  		this.sendPullStatus(PullStatus.Online);
  
  		if(this.offlineTimeout)
  		{
  			clearTimeout(this.offlineTimeout);
  			this.offlineTimeout = null;
  		}
  
  		this.logToConsole('Pull: Long polling connection with push-server opened');
  		if(this.isWebSocketEnabled())
  		{
  			this.scheduleRestoreWebSocketConnection();
  		}
  	};
  
  	Pull.prototype.onWebSocketBlockChanged = function(e)
  	{
  		var isWebSocketBlocked = e.isWebSocketBlocked;
  
  		if(isWebSocketBlocked && this.connectionType === ConnectionType.WebSocket && !this.isConnected())
  		{
  			clearTimeout(this.reconnectTimeout);
  
  			this.connectionAttempt = 0;
  			this.connectionType = ConnectionType.LongPolling;
  			this.scheduleReconnect(1);
  		}
  		else if(!isWebSocketBlocked && this.connectionType === ConnectionType.LongPolling)
  		{
  			clearTimeout(this.reconnectTimeout);
  			clearTimeout(this.restoreWebSocketTimeout);
  
  			this.connectionAttempt = 0;
  			this.connectionType = ConnectionType.WebSocket;
  			this.scheduleReconnect(1);
  		}
  	};
  
  	Pull.prototype.onWebSocketOpen = function()
  	{
  		this.unloading = false;
  		this.starting = false;
  		this.connectionAttempt = 0;
  		this.isManualDisconnect = false;
  		this.sendPullStatus(PullStatus.Online);
  		this.sharedConfig.setWebSocketBlocked(false);
  
  		if(this.connectionType == ConnectionType.LongPolling)
  		{
  			this.connectionType = ConnectionType.WebSocket;
  			this._connectors.longPolling.disconnect();
  		}
  
  		if(this.offlineTimeout)
  		{
  			clearTimeout(this.offlineTimeout);
  			this.offlineTimeout = null;
  		}
  		this.logToConsole('Pull: Websocket connection with push-server opened');
  	};
  
  	Pull.prototype.onWebSocketDisconnect = function(e)
  	{
  		if(this.connectionType === ConnectionType.WebSocket)
  		{
  			if(e.code != CloseReasons.CONFIG_EXPIRED && e.code != CloseReasons.CHANNEL_EXPIRED && e.code != CloseReasons.CONFIG_REPLACED)
  			{
  				this.sendPullStatus(PullStatus.Offline);
  			}
  			else
  			{
  				this.offlineTimeout = setTimeout(function()
  				{
  					this.sendPullStatus(PullStatus.Offline);
  				}.bind(this), 5000)
  			}
  		}
  
  		if(!e)
  		{
  			e = {};
  		}
  
  		this.logToConsole('Pull: Websocket connection with push-server closed. Code: ' + e.code + ', reason: ' + e.reason);
  		if(!this.isManualDisconnect)
  		{
  			this.scheduleReconnect();
  		}
  
  		this.isManualDisconnect = false;
  	};
  
  	Pull.prototype.onWebSocketError = function(e)
  	{
  		this.starting = false;
  		if(this.connectionType === ConnectionType.WebSocket)
  		{
  			this.sendPullStatus(PullStatus.Offline);
  		}
  
  		console.error(Utils.getDateForLog() + ": Pull: WebSocket connection error", e);
  		this.scheduleReconnect();
  	};
  
  	Pull.prototype.onLongPollingDisconnect = function(e)
  	{
  		if(this.connectionType === ConnectionType.LongPolling)
  		{
  			if(e.code != CloseReasons.CONFIG_EXPIRED && e.code != CloseReasons.CHANNEL_EXPIRED && e.code != CloseReasons.CONFIG_REPLACED)
  			{
  				this.sendPullStatus(PullStatus.Offline);
  			}
  			else
  			{
  				this.offlineTimeout = setTimeout(function()
  				{
  					this.sendPullStatus(PullStatus.Offline);
  				}.bind(this), 5500)
  			}
  		}
  
  		if(!e)
  		{
  			e = {};
  		}
  
  		this.logToConsole('Pull: Long polling connection with push-server closed. Code: ' + e.code + ', reason: ' + e.reason);
  		if(!this.isManualDisconnect)
  		{
  			this.scheduleReconnect();
  		}
  		this.isManualDisconnect = false;
  	};
  
  	Pull.prototype.onLongPollingError = function(e)
  	{
  		this.starting = false;
  		if(this.connectionType === ConnectionType.LongPolling)
  		{
  			this.sendPullStatus(PullStatus.Offline);
  		}
  		console.error(Utils.getDateForLog() + ': Pull: Long polling connection error', e);
  		this.scheduleReconnect();
  	};
  
  	Pull.prototype.isConnected = function()
  	{
  		return this.connector ? this.connector.connected : false;
  	};
  
  	Pull.prototype.onBeforeUnload = function()
  	{
  		this.unloading = true;
  
  		var session = Utils.clone(this.session);
  		session.ttl = (new Date()).getTime() + LS_SESSION_CACHE_TIME * 1000;
  		if(this.storage)
  		{
  			this.storage.set(LS_SESSION, JSON.stringify(session), LS_SESSION_CACHE_TIME);
  		}
  
  		this.scheduleReconnect(15);
  	};
  
  	Pull.prototype.onOffline = function()
  	{
  		this.disconnect("1000", "offline");
  	};
  
  	Pull.prototype.onOnline = function()
  	{
  		this.connect();
  	};
  
  	Pull.prototype.handleInternalPullEvent = function(command, message)
  	{
  		switch (command.toUpperCase())
  		{
  			case SystemCommands.CHANNEL_EXPIRE:
  			{
  				if (message.params.action == 'reconnect')
  				{
  					this.config.channels[message.params.channel.type] = message.params.new_channel;
  					this.logToConsole("Pull: new config for " + message.params.channel.type + " channel set:\n", this.config.channels[message.params.channel.type]);
  
  					this.reconnect(CloseReasons.CONFIG_REPLACED, "config was replaced");
  				}
  				else
  				{
  					this.restart(CloseReasons.CHANNEL_EXPIRED, "channel expired");
  				}
  				break;
  			}
  			case SystemCommands.CONFIG_EXPIRE:
  			{
  				this.restart(CloseReasons.CONFIG_EXPIRED, "config expired");
  				break;
  			}
  			case SystemCommands.SERVER_RESTART:
  			{
  				this.reconnect(CloseReasons.SERVER_RESTARTED, "server was restarted", 15);
  				break;
  			}
  			default://
  		}
  	};
  
  	Pull.prototype.checkRevision = function(serverRevision)
  	{
  		if (this.skipCheckRevision)
  		{
  			return true;
  		}
  
  		serverRevision = parseInt(serverRevision);
  		if (serverRevision > 0 && serverRevision != REVISION)
  		{
  			this.enabled = false;
  			if (typeof BX.message !== 'undefined')
  			{
  				this.showNotification(BX.message('PULL_OLD_REVISION'));
  			}
  			this.disconnect(CloseReasons.NORMAL_CLOSURE, 'check_revision');
  
  			if (typeof BX.onCustomEvent !== 'undefined')
  			{
  				BX.onCustomEvent(window, 'onPullRevisionUp', [serverRevision, REVISION]);
  			}
  
  			this.emit({
  				type: SubscriptionType.Revision,
  				data: {
  					server: serverRevision,
  					client: REVISION
  				}
  			});
  
  			this.logToConsole("Pull revision changed from " + REVISION + " to " + serverRevision + ". Reload required");
  
  			return false;
  		}
  		return true;
  	};
  
  	Pull.prototype.showNotification = function(text)
  	{
  		var self = this;
  		if (this.notificationPopup || typeof BX.PopupWindow === 'undefined')
  			return;
  
  		this.notificationPopup = new BX.PopupWindow('bx-notifier-popup-confirm', null, {
  			zIndex: 200,
  			autoHide: false,
  			closeByEsc: false,
  			overlay: true,
  			content : BX.create("div", {
  				props: {className: "bx-messenger-confirm"},
  				html: text
  			}),
  			buttons: [
  				new BX.PopupWindowButton({
  					text: BX.message('JS_CORE_WINDOW_CLOSE'),
  					className: "popup-window-button-decline",
  					events: {
  						click: function(e)
  						{
  							self.notificationPopup.close();
  						}
  					}
  				})
  			],
  			events: {
  				onPopupClose: function()
  				{
  					this.destroy()
  				},
  				onPopupDestroy: function()
  				{
  					self.notificationPopup = null;
  				}
  			}
  		});
  		this.notificationPopup.show();
  	};
  
  	Pull.prototype.getRevision = function()
  	{
  		return (this.config && this.config.api) ? this.config.api.revision_web : null;
  	};
  
  	Pull.prototype.getServerVersion = function()
  	{
  		return (this.config && this.config.server) ? this.config.server.version : 0;
  	};
  
  	Pull.prototype.getServerMode = function()
  	{
  		return (this.config && this.config.server) ? this.config.server.mode : null;
  	};
  
  	Pull.prototype.getConfig = function()
  	{
  		return this.config;
  	};
  
  	Pull.prototype.getDebugInfo = function()
  	{
  		if (!console || !console.info || !JSON || !JSON.stringify)
  			return false;
  
  		var configDump;
  
  		if(this.config && this.config.channels && this.config.channels.private)
  		{
  			configDump = "ChannelID: " + this.config.channels.private.id + "\n" +
  				"ChannelDie: " + this.config.channels.private.end + "\n" +
  				"ChannelDieShared: " + this.config.channels.shared.end;
  		}
  		else
  		{
  			configDump = "Config error: config is not loaded";
  		}
  
  		var watchTagsDump = JSON.stringify(this.watchTagsQueue);
  		var text = "\n========= PULL DEBUG ===========\n"+
  			"UserId: " + this.userId + " " + (this.userId > 0 ?  '': '(guest)') + "\n" +
  			(this.guestMode && this.guestUserId !== 0? "Guest userId: " + this.guestUserId + "\n":"") +
  			"Browser online: " + (navigator.onLine ? 'Y' : 'N') + "\n" +
  			"Connect: " + (this.isConnected() ? 'Y': 'N') + "\n" +
  			"Server type: " + (this.isSharedMode() ? 'cloud' : 'local') + "\n" +
  			"WebSocket support: " + (this.isWebSocketSupported() ? 'Y': 'N') + "\n" +
  			"WebSocket connect: " + (this._connectors.webSocket && this._connectors.webSocket.connected ? 'Y': 'N') + "\n"+
  			"WebSocket mode: " + (this._connectors.webSocket && this._connectors.webSocket.socket ? (this._connectors.webSocket.socket.url.search("binaryMode=true") != -1 ? "protobuf" : "text") : '-') + "\n"+
  
  			"Try connect: " + (this.reconnectTimeout? 'Y': 'N') + "\n" +
  			"Try number: " + (this.connectionAttempt) + "\n" +
  			"\n"+
  			"Path: " + (this.connector ? this.connector.path : '-') + "\n" +
  			configDump + "\n" +
  			"\n"+
  			"Last message: " + (this.session.mid > 0? this.session.mid : '-') + "\n" +
  			"Session history: " + JSON.stringify(this.session.history) + "\n" +
  			"Watch tags: " + (watchTagsDump == '{}'? '-' : watchTagsDump) + "\n"+
  			"================================\n";
  
  		return console.info(text);
  	};
  
  	Pull.prototype.enableLogging = function(loggingFlag)
  	{
  		if(loggingFlag === undefined)
  		{
  			loggingFlag = true;
  		}
  		loggingFlag = loggingFlag === true;
  
  		this.sharedConfig.setLoggingEnabled(loggingFlag);
  		this.loggingEnabled = loggingFlag;
  	};
  
  	Pull.prototype.capturePullEvent = function(debugFlag)
  	{
  		if(debugFlag === undefined)
  		{
  			debugFlag = true;
  		}
  
  		this.debug = debugFlag;
  	};
  
  	Pull.prototype.getConnectionPath = function(connectionType)
  	{
  		var path;
  
  		switch(connectionType)
  		{
  			case ConnectionType.WebSocket:
  				path = this.isSecure? this.config.server.websocket_secure: this.config.server.websocket;
  				break;
  			case ConnectionType.LongPolling:
  				path = this.isSecure? this.config.server.long_pooling_secure: this.config.server.long_polling;
  				break;
  			default:
  				throw new Error("Unknown connection type " + connectionType);
  		}
  
  		if(!Utils.isNotEmptyString(path))
  		{
  			return false;
  		}
  
  		var channels = [];
  		['private', 'shared'].forEach(function(type)
  		{
  			if (typeof this.config.channels[type] !== 'undefined')
  			{
  				channels.push(this.config.channels[type].id);
  			}
  		}, this);
  
  		if(channels.length === 0)
  		{
  			 return false;
  		}
  
  		var params = {
  			CHANNEL_ID: channels.join('/')
  		};
  
  		if(this.isProtobufSupported())
  		{
  			params.binaryMode = 'true';
  		}
  		if (this.isSharedMode())
  		{
  			if(!this.config.clientId)
  			{
  				throw new Error("Push-server is in shared mode, but clientId is not set");
  			}
  			params.clientId = this.config.clientId;
  		}
  		if (this.session.mid)
  		{
  			params.mid = this.session.mid;
  		}
  		if (this.session.tag)
  		{
  			params.tag = this.session.tag;
  		}
  		if (this.session.time)
  		{
  			params.time = this.session.time;
  		}
  		params.revision = REVISION;
  
  		return path + '?' + Utils.buildQueryString(params);
  	};
  
  	Pull.prototype.getPublicationPath = function()
  	{
  		var path = this.isSecure? this.config.server.publish_secure: this.config.server.publish;
  		if(!path)
  		{
  			return '';
  		}
  
  		var channels = [];
  		for (var type in this.config.channels)
  		{
  			if (!this.config.channels.hasOwnProperty(type))
  			{
  				continue;
  			}
  			channels.push(this.config.channels[type].id);
  		}
  
  		var params = {
  			CHANNEL_ID: channels.join('/')
  		};
  
  		return path + '?' + Utils.buildQueryString(params);
  	};
  
  	/**
  	 * Returns reconnect delay in seconds
  	 * @param attemptNumber
  	 * @return {number}
  	 */
  	Pull.prototype.getConnectionAttemptDelay = function(attemptNumber)
  	{
  		var result;
  		if(attemptNumber < 1)
  		{
  			result = 0.5;
  		}
  		else if(attemptNumber < 3)
  		{
  			result = 15;
  		}
  		else if(attemptNumber < 5)
  		{
  			result = 45;
  		}
  		else if (attemptNumber < 10)
  		{
  			result = 600;
  		}
  		else
  		{
  			result = 3600;
  		}
  
  		return result + (result * Math.random() * 0.2);
  	};
  
  	Pull.prototype.sendPullStatus = function(status)
  	{
  		if(this.unloading)
  		{
  			return;
  		}
  
  		if (typeof BX.onCustomEvent !== 'undefined')
  		{
  			BX.onCustomEvent(window, 'onPullStatus', [status]);
  		}
  
  		this.emit({
  			type: SubscriptionType.Status,
  			data: {
  				status: status
  			}
  		});
  	};
  
  	Pull.prototype.extendWatch = function (tag, force)
  	{
  		if (!tag || this.watchTagsQueue[tag])
  		{
  			return false;
  		}
  
  		this.watchTagsQueue[tag] = true;
  		if (force)
  		{
  			this.updateWatch(force);
  		}
  	};
  
  	Pull.prototype.updateWatch = function (force)
  	{
  		clearTimeout(this.watchUpdateTimeout);
  		this.watchUpdateTimeout = setTimeout(function ()
  		{
  			var watchTags = Object.keys(this.watchTagsQueue);
  			if (watchTags.length > 0)
  			{
  				this.restClient.callMethod('pull.watch.extend', {tags: watchTags}, function(result)
  				{
  					if(result.error())
  					{
  						this.updateWatch();
  
  						return false;
  					}
  
  					var updatedTags = result.data();
  
  					for (var tagId in updatedTags)
  					{
  						if (updatedTags.hasOwnProperty(tagId) && !updatedTags[tagId])
  						{
  							this.clearWatch(tagId);
  						}
  					}
  					this.updateWatch();
  
  				}.bind(this))
  			}
  			else
  			{
  				this.updateWatch();
  			}
  		}.bind(this), force ? this.watchForceUpdateInterval : this.watchUpdateInterval);
  	};
  
  	Pull.prototype.clearWatch = function (tagId)
  	{
  		delete this.watchTagsQueue[tagId];
  	};
  
  	// old functions, not used anymore.
  	Pull.prototype.setPrivateVar = function(){};
  	Pull.prototype.returnPrivateVar = function(){};
  	Pull.prototype.expireConfig = function(){};
  	Pull.prototype.updateChannelID = function(){};
  	Pull.prototype.tryConnect = function(){};
  	Pull.prototype.tryConnectDelay = function(){};
  	Pull.prototype.tryConnectSet = function(){};
  	Pull.prototype.updateState = function(){};
  	Pull.prototype.setUpdateStateStepCount = function(){};
  	Pull.prototype.supportWebSocket = function()
  	{
  		return this.isWebSocketSupported();
  	};
  	Pull.prototype.isWebSoketConnected = function()
  	{
  		return this.isConnected() && this.connectionType == ConnectionType.WebSocket;
  	};
  	Pull.prototype.getPullServerStatus = function(){return this.isConnected()};
  	Pull.prototype.closeConfirm = function()
  	{
  		if (this.notificationPopup)
  		{
  			this.notificationPopup.destroy();
  		}
  	};
  
  	var SharedConfig = function(params)
  	{
  		params = params || {};
  		this.storage = params.storage || new StorageManager();
  
  		this.ttl = 24 * 60 * 60;
  
  		this.lsKeys = {
  			websocketBlocked: 'bx-pull-websocket-blocked',
  			loggingEnabled: 'bx-pull-logging-enabled'
  		};
  
  		this.callbacks = {
  			onWebSocketBlockChanged: (Utils.isFunction(params.onWebSocketBlockChanged) ? params.onWebSocketBlockChanged : function(){})
  		};
  
  		if (this.storage)
  		{
  			window.addEventListener('storage', this.onLocalStorageSet.bind(this));
  		}
  	};
  
  	SharedConfig.prototype.onLocalStorageSet = function(params)
  	{
  		if(
  			this.storage.compareKey(params.key, this.lsKeys.websocketBlocked)
  			&& params.newValue != params.oldValue
  		)
  		{
  			this.callbacks.onWebSocketBlockChanged({
  				isWebSocketBlocked: this.isWebSocketBlocked()
  			})
  		}
  	};
  
  	SharedConfig.prototype.isWebSocketBlocked = function()
  	{
  		if (!this.storage)
  		{
  			return false;
  		}
  
  		return this.storage.get(this.lsKeys.websocketBlocked, 0) > Utils.getTimestamp();
  	};
  
  	SharedConfig.prototype.setWebSocketBlocked = function(isWebSocketBlocked)
  	{
  		if (!this.storage)
  		{
  			return false;
  		}
  
  		this.storage.set(this.lsKeys.websocketBlocked, (isWebSocketBlocked ? Utils.getTimestamp()+this.ttl : 0));
  	};
  
  	SharedConfig.prototype.isLoggingEnabled = function()
  	{
  		if (!this.storage)
  		{
  			return false;
  		}
  
  		return this.storage.get(this.lsKeys.loggingEnabled, 0) > Utils.getTimestamp();
  	};
  
  	SharedConfig.prototype.setLoggingEnabled = function(isLoggingEnabled)
  	{
  		if (!this.storage)
  		{
  			return false;
  		}
  
  		this.storage.set(this.lsKeys.loggingEnabled, (isLoggingEnabled ? Utils.getTimestamp()+this.ttl : 0));
  	};
  
  	var ObjectExtend = function(child, parent)
  	{
  		var f = function() {};
  		f.prototype = parent.prototype;
  
  		child.prototype = new f();
  		child.prototype.constructor = child;
  
  		child.superclass = parent.prototype;
  		if(parent.prototype.constructor == Object.prototype.constructor)
  		{
  			parent.prototype.constructor = parent;
  		}
  	};
  
  	var AbstractConnector = function(config)
  	{
  		this.parent = config.parent;
  		this.callbacks = {
  			onOpen: Utils.isFunction(config.onOpen) ? config.onOpen : function() {},
  			onDisconnect: Utils.isFunction(config.onDisconnect) ? config.onDisconnect : function() {},
  			onError: Utils.isFunction(config.onError) ? config.onError : function() {},
  			onMessage: Utils.isFunction(config.onMessage) ? config.onMessage : function() {}
  		};
  
  		this._connected = false;
  		this.connectionType = "";
  
  		this.disconnectCode = '';
  		this.disconnectReason = '';
  
  		Object.defineProperty(this, "connected", {
  			get: function()
  			{
  				return this._connected
  			},
  			set: function(connected)
  			{
  				if(connected == this._connected)
  					return;
  
  				this._connected = connected;
  
  				if(this._connected)
  				{
  					this.callbacks.onOpen();
  				}
  				else
  				{
  					this.callbacks.onDisconnect({
  						code: this.disconnectCode,
  						reason: this.disconnectReason
  					});
  				}
  			}
  		});
  
  		Object.defineProperty(this, "path", {
  			get: function()
  			{
  				return this.parent.getConnectionPath(this.connectionType);
  			}
  		})
  	};
  
  	var WebSocketConnector = function(config)
  	{
  		WebSocketConnector.superclass.constructor.apply(this, arguments);
  		this.connectionType = ConnectionType.WebSocket;
  		this.socket = null;
  
  		this.onSocketOpenHandler = this.onSocketOpen.bind(this);
  		this.onSocketCloseHandler = this.onSocketClose.bind(this);
  		this.onSocketErrorHandler = this.onSocketError.bind(this);
  		this.onSocketMessageHandler = this.onSocketMessage.bind(this);
  	};
  
  	ObjectExtend(WebSocketConnector, AbstractConnector);
  
  	WebSocketConnector.prototype.connect = function()
  	{
  		if(this.socket)
  		{
  			if(this.socket.readyState === 1)
  			{
  				// already connected
  				return true;
  			}
  			else
  			{
  				this.socket.removeEventListener('open', this.onSocketOpenHandler);
  				this.socket.removeEventListener('close', this.onSocketCloseHandler);
  				this.socket.removeEventListener('error', this.onSocketErrorHandler);
  				this.socket.removeEventListener('message', this.onSocketMessageHandler);
  
  				this.socket.close();
  				this.socket = null;
  			}
  		}
  
  		this.createSocket();
  	};
  
  	WebSocketConnector.prototype.disconnect = function(code, message)
  	{
  		if (this.socket !== null)
  		{
  			this.socket.removeEventListener('open', this.onSocketOpenHandler);
  			this.socket.removeEventListener('close', this.onSocketCloseHandler);
  			this.socket.removeEventListener('error', this.onSocketErrorHandler);
  			this.socket.removeEventListener('message', this.onSocketMessageHandler);
  
  			this.socket.close(code, message);
  		}
  		this.socket = null;
  		this.disconnectCode = code;
  		this.disconnectReason = message;
  		this.connected = false;
  	};
  
  	WebSocketConnector.prototype.createSocket = function()
  	{
  		if(this.socket)
  		{
  			throw new Error("Socket already exists");
  		}
  
  		if(!this.path)
  		{
  			throw new Error("Websocket connection path is not defined");
  		}
  
  		this.socket = new WebSocket(this.path);
  		this.socket.binaryType = 'arraybuffer';
  
  		this.socket.addEventListener('open', this.onSocketOpenHandler);
  		this.socket.addEventListener('close', this.onSocketCloseHandler);
  		this.socket.addEventListener('error', this.onSocketErrorHandler);
  		this.socket.addEventListener('message', this.onSocketMessageHandler);
  	};
  
  	/**
  	 * Sends some data to the server via websocket connection.
  	 * @param {ArrayBuffer} buffer Data to send.
  	 * @return {boolean}
  	 */
  	WebSocketConnector.prototype.send = function(buffer)
  	{
  		if(!this.socket || this.socket.readyState !== 1)
  		{
  			console.error(Utils.getDateForLog() + ": Pull: WebSocket is not connected");
  			return false;
  		}
  
  		this.socket.send(buffer);
  	};
  
  	WebSocketConnector.prototype.onSocketOpen = function()
  	{
  		this.connected = true;
  	};
  
  	WebSocketConnector.prototype.onSocketClose = function(e)
  	{
  		this.socket = null;
  		this.disconnectCode = e.code;
  		this.disconnectReason = e.reason;
  		this.connected = false;
  	};
  
  	WebSocketConnector.prototype.onSocketError = function(e)
  	{
  		this.callbacks.onError(e);
  	};
  
  	WebSocketConnector.prototype.onSocketMessage = function(e)
  	{
  		this.callbacks.onMessage(e.data);
  	};
  
  	WebSocketConnector.prototype.destroy = function()
  	{
  		if(this.socket)
  		{
  			this.socket.close();
  			this.socket = null;
  		}
  	};
  
  	var LongPollingConnector = function(config)
  	{
  		LongPollingConnector.superclass.constructor.apply(this, arguments);
  
  		this.active = false;
  		this.connectionType = ConnectionType.LongPolling;
  		this.requestTimeout = null;
  		this.failureTimeout = null;
  		this.xhr = this.createXhr();
  		this.requestAborted = false;
  	};
  
  	ObjectExtend(LongPollingConnector, AbstractConnector);
  
  	LongPollingConnector.prototype.createXhr = function()
  	{
  		var result = new XMLHttpRequest();
  		if(this.parent.isProtobufSupported())
  		{
  			result.responseType = "arraybuffer";
  		}
  		result.addEventListener("readystatechange", this.onXhrReadyStateChange.bind(this));
  		return result;
  	};
  
  	LongPollingConnector.prototype.connect = function()
  	{
  		this.active = true;
  		this.performRequest();
  	};
  
  	LongPollingConnector.prototype.disconnect = function(code, reason)
  	{
  		this.active = false;
  
  		if(this.failureTimeout)
  		{
  			clearTimeout(this.failureTimeout);
  			this.failureTimeout = null;
  		}
  		if(this.requestTimeout)
  		{
  			clearTimeout(this.requestTimeout);
  			this.requestTimeout = null;
  		}
  
  		if(this.xhr)
  		{
  			this.requestAborted = true;
  			this.xhr.abort();
  		}
  
  		this.disconnectCode = code;
  		this.disconnectReason = reason;
  		this.connected = false;
  	};
  
  	LongPollingConnector.prototype.performRequest = function()
  	{
  		var self = this;
  		if(!this.active)
  			return;
  
  		if(!this.path)
  		{
  			throw new Error("Long polling connection path is not defined");
  		}
  		if(this.xhr.readyState !== 0 && this.xhr.readyState !== 4)
  		{
  			return;
  		}
  
  		clearTimeout(this.failureTimeout);
  		clearTimeout(this.requestTimeout);
  
  		this.failureTimeout = setTimeout(function()
  		{
  			self.connected = true;
  		}, 5000);
  
  		this.requestTimeout = setTimeout(this.onRequestTimeout.bind(this), LONG_POLLING_TIMEOUT * 1000);
  
  		this.xhr.open("GET", this.path);
  		this.xhr.send();
  	};
  
  	LongPollingConnector.prototype.onRequestTimeout = function()
  	{
  		this.requestAborted = true;
  		this.xhr.abort();
  		this.performRequest();
  	};
  
  	LongPollingConnector.prototype.onXhrReadyStateChange = function (e)
  	{
  		if (this.xhr.readyState === 4)
  		{
  			if(!this.requestAborted || this.xhr.status == 200)
  			{
  				this.onResponse(this.xhr.response);
  			}
  			this.requestAborted = false;
  		}
  	};
  
  	/**
  	 * Sends some data to the server via http request.
  	 * @param {ArrayBuffer} buffer Data to send.
  	 * @return {bool}
  	 */
  	LongPollingConnector.prototype.send = function(buffer)
  	{
  		var path = this.parent.getPublicationPath();
  		if(!path)
  		{
  			console.error(Utils.getDateForLog() + ": Pull: publication path is empty");
  			return false;
  		}
  
  		var xhr = new XMLHttpRequest();
  		xhr.open("POST", path);
  		xhr.send(buffer);
  	};
  
  	LongPollingConnector.prototype.onResponse = function(response)
  	{
  		if(this.failureTimeout)
  		{
  			clearTimeout(this.failureTimeout);
  			this.failureTimeout = 0;
  		}
  		if(this.requestTimeout)
  		{
  			clearTimeout(this.requestTimeout);
  			this.requestTimeout = 0;
  		}
  
  		if(this.xhr.status == 200)
  		{
  			this.connected = true;
  			if(Utils.isNotEmptyString(response) || (response instanceof ArrayBuffer))
  			{
  				this.callbacks.onMessage(response);
  			}
  			else
  			{
  				this.parent.session.mid = null;
  			}
  			this.performRequest();
  		}
  		else if(this.xhr.status == 304)
  		{
  			this.connected = true;
  			if (this.xhr.getResponseHeader("Expires") === "Thu, 01 Jan 1973 11:11:01 GMT")
  			{
  				var lastMessageId = this.xhr.getResponseHeader("Last-Message-Id");
  				if (Utils.isNotEmptyString(lastMessageId))
  				{
  					this.parent.setLastMessageId(lastMessageId);
  				}
  			}
  			this.performRequest();
  		}
  		else
  		{
  			this.callbacks.onError('Could not connect to the server');
  			this.connected = false;
  		}
  	};
  
  	var ChannelManager = function (params)
  	{
  		this.publicIds = {};
  
  		this.restClient = typeof params.restClient !== "undefined"? params.restClient: BX.rest;
  
  		this.getPublicListMethod = params.getPublicListMethod;
  	};
  
  	/**
  	 *
  	 * @param {Array} users Array of user ids.
  	 * @return {BX.Promise}
  	 */
  	ChannelManager.prototype.getPublicIds = function(users)
  	{
  		var promise = new BX.Promise();
  		var result = {};
  		var now = new Date();
  		var unknownUsers = [];
  
  		for(var i = 0; i < users.length; i++)
  		{
  			var userId = users[i];
  			if(this.publicIds[userId] && this.publicIds[userId]['end'] > now)
  			{
  				result[userId] = this.publicIds[userId];
  			}
  			else
  			{
  				unknownUsers.push(userId);
  			}
  		}
  
  		if(unknownUsers.length === 0)
  		{
  			promise.resolve(result);
  			return promise;
  		}
  
  		this.restClient.callMethod(this.getPublicListMethod, {users: unknownUsers}).then(function(response)
  		{
  			if(response.error())
  			{
  				promise.resolve({});
  				return promise;
  			}
  
  			var data = response.data();
  
  			this.setPublicIds(Utils.objectValues(data));
  			unknownUsers.forEach(function(userId) {
  				result[userId] = this.publicIds[userId];
  			}, this);
  
  			promise.resolve(result);
  
  		}.bind(this));
  
  		return promise;
  	};
  
  	/**
  	 *
  	 * @param {object[]} publicIds
  	 * @param {integer} publicIds.user_id
  	 * @param {string} publicIds.public_id
  	 * @param {string} publicIds.signature
  	 * @param {Date} publicIds.start
  	 * @param {Date} publicIds.end
  	 */
  	ChannelManager.prototype.setPublicIds = function(publicIds)
  	{
  		for(var i = 0; i < publicIds.length; i++)
  		{
  			var publicIdDescriptor = publicIds[i];
  			var userId = publicIdDescriptor.user_id;
  			this.publicIds[userId] = {
  				userId: userId,
  				publicId: publicIdDescriptor.public_id,
  				signature: publicIdDescriptor.signature,
  				start: new Date(publicIdDescriptor.start),
  				end: new Date(publicIdDescriptor.end)
  			}
  		}
  	};
  
  
  	var StorageManager = function (params)
  	{
  		params = params || {};
  
  		this.userId = params.userId? params.userId: (typeof BX.message !== 'undefined' && BX.message.USER_ID? BX.message.USER_ID: 0);
  		this.siteId = params.siteId? params.siteId: (typeof BX.message !== 'undefined' && BX.message.SITE_ID? BX.message.SITE_ID: 'none');
  	};
  
  	StorageManager.prototype.set = function(name, value)
  	{
  		if (typeof window.localStorage === 'undefined')
  		{
  			return false;
  		}
  		if (typeof value != 'string')
  		{
  			if (value)
  			{
  				value = JSON.stringify(value);
  			}
  		}
  		return window.localStorage.setItem(this.getKey(name), value)
  	};
  
  
  	StorageManager.prototype.get = function(name, defaultValue)
  	{
  		if (typeof window.localStorage === 'undefined')
  		{
  			return defaultValue || null;
  		}
  
  		var result = window.localStorage.getItem(this.getKey(name));
  		if (result === null)
  		{
  			return defaultValue || null;
  		}
  
  		return JSON.parse(result);
  	};
  
  	StorageManager.prototype.remove = function(name)
  	{
  		if (typeof window.localStorage === 'undefined')
  		{
  			return false;
  		}
  		return window.localStorage.removeItem(this.getKey(name));
  	};
  
  	StorageManager.prototype.getKey = function (name)
  	{
  		return 'bx-pull-' + this.userId + '-' + this.siteId + '-' + name;
  	};
  
  	StorageManager.prototype.compareKey = function (eventKey, userKey)
  	{
  		return eventKey === this.getKey(userKey);
  	};
  
  	var Utils = {
  		browser: {
  			IsChrome: function()
  			{
  				return navigator.userAgent.toLowerCase().indexOf('chrome') != -1;
  			},
  			IsFirefox: function()
  			{
  				return navigator.userAgent.toLowerCase().indexOf('firefox') != -1;
  			},
  			IsIe: function ()
  			{
  				return navigator.userAgent.match(/(Trident\/|MSIE\/)/) !== null;
  			}
  		},
  		getTimestamp: function()
  		{
  			return (new Date()).getTime();
  		},
  		/**
  		 * Reduces errors array to single string.
  		 * @param {array} errors
  		 * @return {string}
  		 */
  		errorsToString: function(errors)
  		{
  			if(!this.isArray(errors))
  			{
  				return "";
  			}
  			else
  			{
  				return errors.reduce(function(result, currentValue)
  				{
  					if(result != "")
  					{
  						result += "; ";
  					}
  					return result + currentValue.code + ": " + currentValue.message;
  				}, "");
  			}
  		},
  		isString: function(item) {
  			return item === '' ? true : (item ? (typeof (item) == "string" || item instanceof String) : false);
  		},
  		isArray: function(item) {
  			return item && Object.prototype.toString.call(item) == "[object Array]";
  		},
  		isFunction: function(item) {
  			return item === null ? false : (typeof (item) == "function" || item instanceof Function);
  		},
  		isDomNode: function(item) {
  			return item && typeof (item) == "object" && "nodeType" in item;
  		},
  		isDate: function(item) {
  			return item && Object.prototype.toString.call(item) == "[object Date]";
  		},
  		isPlainObject: function(item)
  		{
  			if(!item || typeof(item) !== "object" || item.nodeType)
  			{
  				return false;
  			}
  
  			var hasProp = Object.prototype.hasOwnProperty;
  			try
  			{
  				if (item.constructor && !hasProp.call(item, "constructor") && !hasProp.call(item.constructor.prototype, "isPrototypeOf") )
  				{
  					return false;
  				}
  			}
  			catch (e)
  			{
  				return false;
  			}
  
  			var key;
  			for (key in item)
  			{
  			}
  			return typeof(key) === "undefined" || hasProp.call(item, key);
  		},
  		isNotEmptyString: function(item) {
  			return this.isString(item) ? item.length > 0 : false;
  		},
  		buildQueryString: function(params)
  		{
  			var result = '';
  			for (var key in params)
  			{
  				if (!params.hasOwnProperty(key))
  				{
  					continue;
  				}
  				var value = params[key];
  				if(Utils.isArray(value))
  				{
  					value.forEach(function(valueElement, index)
  					{
  						result += encodeURIComponent(key + "[" + index + "]") + "=" + encodeURIComponent(valueElement) + "&";
  					});
  				}
  				else
  				{
  					result += encodeURIComponent(key) + "=" + encodeURIComponent(value) + "&";
  				}
  			}
  
  			if(result.length > 0)
  			{
  				result = result.substr(0, result.length - 1);
  			}
  			return result;
  		},
  		objectValues: function values(obj)
  		{
  			var result = [];
  			for (var key in obj)
  			{
  				if(obj.hasOwnProperty(key) && obj.propertyIsEnumerable(key))
  				{
  					result.push(obj[key]);
  				}
  			}
  			return result;
  		},
  		clone: function(obj, bCopyObj)
  		{
  			var _obj, i, l;
  			if (bCopyObj !== false)
  				bCopyObj = true;
  
  			if (obj === null)
  				return null;
  
  			if (this.isDomNode(obj))
  			{
  				_obj = obj.cloneNode(bCopyObj);
  			}
  			else if (typeof obj == 'object')
  			{
  				if (this.isArray(obj))
  				{
  					_obj = [];
  					for (i=0,l=obj.length;i<l;i++)
  					{
  						if (typeof obj[i] == "object" && bCopyObj)
  							_obj[i] = this.clone(obj[i], bCopyObj);
  						else
  							_obj[i] = obj[i];
  					}
  				}
  				else
  				{
  					_obj =  {};
  					if (obj.constructor)
  					{
  						if (this.isDate(obj))
  							_obj = new Date(obj);
  						else
  							_obj = new obj.constructor();
  					}
  
  					for (i in obj)
  					{
  						if (!obj.hasOwnProperty(i))
  						{
  							continue;
  						}
  						if (typeof obj[i] == "object" && bCopyObj)
  							_obj[i] = this.clone(obj[i], bCopyObj);
  						else
  							_obj[i] = obj[i];
  					}
  				}
  
  			}
  			else
  			{
  				_obj = obj;
  			}
  
  			return _obj;
  		},
  
  		getDateForLog: function()
  		{
  			var d = new Date();
  
  			return d.getFullYear() + "-" + Utils.lpad(d.getMonth(), 2, '0') + "-" + Utils.lpad(d.getDate(), 2, '0') + " " + Utils.lpad(d.getHours(), 2, '0') + ":" + Utils.lpad(d.getMinutes(), 2, '0');
  		},
  
  		lpad: function(str, length, chr)
  		{
  			str = str.toString();
  			chr = chr || ' ';
  
  			if(str.length > length)
  			{
  				return str;
  			}
  
  			var result = '';
  			for(var i = 0; i < length - str.length; i++)
  			{
  				result += chr;
  			}
  
  			return result + str;
  		}
  	};
  
  	if (
  		typeof BX.namespace !== 'undefined'
  		&& typeof BX.PULL === 'undefined'
  	)
  	{
  		BX.PULL = new Pull();
  	}
  
  	BX.PullClient = Pull;
  	BX.PullClient.PullStatus = PullStatus;
  	BX.PullClient.SubscriptionType = SubscriptionType;
  	BX.PullClient.CloseReasons = CloseReasons;
  	BX.PullClient.StorageManager = StorageManager;
  })();