/*! offline-editor-js - v2.7.0 - 2015-04-27
*   Copyright (c) 2015 Environmental Systems Research Institute, Inc.
*   Apache License*/
/**
 * Library for reading an ArcGIS Tile Package (.tpk) file and displaying the tiles
 * as a map that can be used both online and offline.
 *
 * Note: you may have to rename your .tpk file to use .zip in order for it to be recognized.
 *
 * Author: Andy Gup
 * Credits: Mansour Raad for his ArcGIS API for Flex TPKLayer,
 * and Jon leighton for his super fast ArrayBuffer to Base64 convert.
 */
define([
        "dojo/_base/declare","esri/geometry/Extent","dojo/query","esri/SpatialReference",
        "esri/layers/TileInfo","esri/layers/TiledMapServiceLayer",
        "dojo/Deferred","dojo/promise/all","dojo/Evented"],
    function(declare,Extent,query,SpatialReference,TileInfo,TiledMapServiceLayer,
        Deferred,all,Evented){
        return declare("O.esri.TPK.TPKLayer",[TiledMapServiceLayer,Evented],{

            //
            // Public Properties
            //
            map: null,
            store: null,                            // Reference to the local database store and hooks to it's functionality
            MAX_DB_SIZE: 75,                        // Recommended maximum size in MBs
            TILE_PATH:"",                           // The absolute path to the root of bundle/bundleX files e.g. V101/YOSEMITE_MAP/
            RECENTER_DELAY: 350,                    // Millisecond delay before attempting to recent map after an orientation change
            PARSING_ERROR: 'parsingError',          // An error was encountered while parsing a TPK file.
            DB_INIT_ERROR: "dbInitError",           // An error occurred while initializing the database.
            DB_FULL_ERROR: "dbFullError",           // No space left in the database.
            NO_SUPPORT_ERROR: "libNotSupportedError",   // Error indicating this library is not supported in a particular browser.
            PROGRESS_START: "start",
            PROGRESS_END: "end",
            WINDOW_VALIDATED: "windowValidated",    // All window functionality checks have passed
            DB_VALIDATED: "dbValidated",            // All database functionality checks have passed

            //
            // Events
            //
            DATABASE_ERROR_EVENT: "databaseErrorEvent",  // An error thrown by the database.
            VALIDATION_EVENT: "validationEvent",    // Library validation checks.
            PROGRESS_EVENT: "progress",             // Event dispatched while parsing a bundle file.

            //
            // Private properties
            //
            _maxDBSize: 75,                         // User configurable maximum size in MBs.
            _isDBWriteable: true,                   // Manually allow or stop writing to the database.
            _isDBValid: false,                      // Does the browser support IndexedDB or IndexedDBShim
            _autoCenter: null,                      // Auto center the map
            _fileEntriesLength: 0,                  // Number of files in zip
            _inMemTilesObject: null,                // Stores unzipped files from tpk
            _inMemTilesObjectLength: 0,
            _zeroLengthFileCounter: 0,              // For counting the number of zero length files in the tpk (e.g. directories)

            constructor:function(){
                this._self = this;
                this._inMemTilesIndex = [];
                this._inMemTilesObject = {};
                this.store = new O.esri.Tiles.TilesStore();
                this._validate();
            },

            extend: function(files){
                this._fileEntriesLength = files.length;
                this.emit(this.PROGRESS_EVENT,this.PROGRESS_START);

                this._parseInMemFiles(files,function (){
                    //Parse conf.xml and conf.cdi to get the required setup info
                    this._parseConfCdi(function(initExtent){
                        this.initialExtent = (this.fullExtent = initExtent);
                        this._parseConfXml(function(result){
                            this.tileInfo = new TileInfo(result);
                            this.spatialReference = new SpatialReference({wkid:this.tileInfo.spatialReference.wkid});
                            this.loaded = true;
                            this.onLoad(this);
                            this.emit(this.PROGRESS_EVENT,this.PROGRESS_END);
                        }.bind(this._self));
                    }.bind(this._self));
                }.bind(this._self));
            },

            /**
             * Overrides getTileUrl method
             * @param level
             * @param row
             * @param col
             * @returns {string}
             */
            getTileUrl:function(level,row,col){
                this.emit(this.PROGRESS_EVENT,this.PROGRESS_START);
                var layersDir = this._self.TILE_PATH + "_alllayers";
                var url = this._getCacheFilePath(layersDir,level,row,col);

                if(this._inMemTilesObject != {}) {
                    /* temporary URL returned immediately, as we haven't retrieved the image from the indexeddb yet */
                    var tileid = "void:/" + level + "/" + row + "/" + col;

                    if(this.map == null) this.map = this.getMap();
                    if(this._autoCenter == null) {
                        this._autoCenter = new O.esri.TPK.autoCenterMap(this.map,this.RECENTER_DELAY);
                        this._autoCenter.init();
                    }

                    this._getInMemTiles(url,layersDir, level, row, col,tileid,function (result,tileid,url) {
                        var img = query("img[src=" + tileid + "]")[0];
                        if (typeof img == "undefined")img = new Image(); //create a blank place holder for undefined images
                        var imgURL;

                        if (result) {
                            console.log("found tile offline", url);
                            var png =  "data:image/png;base64,";
                            switch(this.tileInfo.format) {
                                case "JPEG":
                                    imgURL = "data:image/jpg;base64," + result;
                                    break;
                                case "PNG":
                                    imgURL = png + result;
                                    break;
                                case "PNG8":
                                    imgURL = png + result;
                                    break;
                                case "PNG24":
                                    imgURL = png + result;
                                    break;
                                case "PNG32":
                                    imgURL = png + result;
                                    break;
                                default:
                                    imgURL = "data:image/jpg;base64," + result;

                            }
                            img.style.borderColor = "blue";
                        }
                        else {
                            img.style.borderColor = "green";
                            console.log("tile is not in the offline store", url);
                            imgURL = "data:image/png;base64,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";
                        }
                        // when we return a nonexistent url to the image, the TiledMapServiceLayer::_tileErrorHandler() method
                        // sets img visibility to 'hidden', so we need to show the image back once we have put the data:image
                        img.style.visibility = "visible";
                        img.src = imgURL;
                        console.log("URL length " + imgURL.length + ", image: " + imgURL);
                        this.emit(this.PROGRESS_EVENT,this.PROGRESS_END);
                        return "";
                        /* this result goes nowhere, seriously */
                    }.bind(this._self))

                    return tileid;
                }
            },

            /**
             * Optional. Set the maximum database size. Recommended maximum for mobile devices is 100MBs.
             * Making the database too large can result in browser crashes and slow performance.
             * TPKs can contain a lot of data!
             * @param size
             */
            setMaxDBSize: function(size){
                //Make sure the entry is an integer.
                var testRegex = /^\d+$/;
                if(testRegex.test(size) && size <= this.MAX_DB_SIZE){
                    this._maxDBSize = size;
                }
                else{
                    console.log("setMaxDBSize Error: invalid entry. Integers only and less than " + this.MAX_DB_SIZE + "MBs");
                }
            },

            /**
             * Returns the size of the tiles database.
             * @param callback {size , error}. Note, size is in bytes.
             */
            getDBSize: function(callback){
                this.store.usedSpace(function(size,err){
                    callback(size,err);
                }.bind(this))
            },

            /**
             * Sets whether or not tiles can be written to the database. This function
             * can help you manage the size of the tiles database.
             * Use this in conjunction with getDBSize() on a map pan or zoom event listener.
             * @param value
             */
            setDBWriteable: function(/* Boolean */ value){
                this._isDBWriteable = value;
            },

            /**
             * Validates whether or not the browser supports this library
             * @returns {boolean}
             */
            isDBValid: function(){
                this._validate();
                return this._isDBValid;
            },

            /**
             * Reads a tile into tile database. Works with offlineTilesEnabler.js and OfflineTilesEnablerLayer.js
             * saveToFile() functionality.
             * IMPORTANT! The tile must confirm to an object using the pattern shown in _storeTile().
             * @param file
             * @param callback callback( boolean, error)
             */
            loadFromURL: function (tile, callback) // callback(success,msg)
            {
                if (this.isDBValid()) {
                    this.store.store(tile, function (success,err) {
                        //Check the result
                        if (success) {
                            console.log("loadFromURL() success.");
                            callback(true, "");
                        }
                        else {
                            console.log("loadFromURL() Failed.");
                            callback(false, err);
                        }
                    });
                }
                else {
                    callback(false, "not supported");
                }
            },

            /**
             * Runs specific validation tasks. Reserved for future use.
             * Currently only throws console errors. Does not stop execution of the library!
             * @private
             */
            _validate: function(){
                //Verify if basic functionality is supported by the browser
                if(!window.File && !window.FileReader && !window.Blob && !window.btoa && !window.DataView){
                    console.log("TPKLayer library is not supported by this browser");
                    this.emit(this.VALIDATION_EVENT,{msg:this.NO_SUPPORT_ERROR, err : null});
                }
                else{
                    this.emit(this.VALIDATION_EVENT,{msg:this.WINDOW_VALIDATED, err : null});
                }

                //Verify if IndexedDB is supported and initializes properly
                if( /*false &&*/ this.store.isSupported() )
                {
                    this.store.init(function(result){
                        if(result == false){
                            console.log("There was an error initializing the TPKLayer database");
                            this.emit(this.DATABASE_ERROR_EVENT,{msg:this.DB_INIT_ERROR, err: null});
                        }
                        else{
                            this.store.usedSpace(function(size,err){
                                var mb = this._bytes2MBs(size.sizeBytes);
                                if(mb > this.MAX_DB_SIZE){
                                    console.log("Database is full!");
                                    this.emit(this.DATABASE_ERROR_EVENT,{msg:this.DB_FULL_ERROR,err : err});
                                }
                                this.emit(this.VALIDATION_EVENT,{msg:this.DB_VALIDATED,err : null})
                                console.log("DB size: " + mb + " MBs, Tile count: " + size.tileCount +  ", Error: " + err);
                                this._isDBValid = true;
                            }.bind(this))
                        }
                    }.bind(this));
                }
                else
                {
                    console.log("IndexedDB is not supported on your browser.");
                    this.emit(this.VALIDATION_EVENT,{msg:this.NO_SUPPORT_ERROR, err : null});
                }
            },

            /**
             * Function for pulling out individual files from the .tpk/zip and storing
             * them in memory.
             * @param files
             * @param callback
             * @private
             */
            _parseInMemFiles: function(files,callback){

                var inMemTilesLength = this._fileEntriesLength;
                this._zeroLengthFileCounter = 0;
                var promises = [];

                for(var i=0;i < inMemTilesLength;i++){

                    var deferred = new Deferred();
                    var name = files[i].filename.toLocaleUpperCase();

                    var index = name.indexOf("_ALLLAYERS",0);
                    if(index != -1){
                        this.TILE_PATH = name.slice(0,index);
                    }

                    if(files[i].compressedSize == 0) this._zeroLengthFileCounter++;

                    var indexCDI = name.indexOf("CONF.CDI",0);
                    var indexXML = name.indexOf("CONF.XML",0);
                    var indexBUNDLE = name.indexOf("BUNDLE",0);
                    var indexBUNDLX = name.indexOf("BUNDLX",0);

                    if(indexCDI != -1 || indexXML != -1){
                        this._unzipConfFiles(files,i,deferred,function(/* deferred */ d, /* token */ t){ console.log("CONF FILE")
                            d.resolve(t);
                        });
                    }
                    else if(indexBUNDLE != -1 || indexBUNDLX != -1){
                        this._unzipTileFiles(files,i,deferred,function(/* deferred */ d, /* token */ t){
                            d.resolve(t);
                        });
                    }
                    else{
                        deferred.resolve(i);
                    }
                    promises.push(deferred);
                }

                all(promises).then( function(results)
                {
                    callback && callback(results);
                });
            },

            /**
             * Calculate the size of an Object based on whether or not the item is enumerable.
             * Native Objects don't have a built in size property.
             * More info: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/hasOwnProperty
             * @param obj
             * @returns {number}
             * @constructor
             */
            ObjectSize: function(obj) {
                var size = 0, key;
                for (key in obj) {
                    if (obj.hasOwnProperty(key)) size++;
                }
                return size;
            },

            /**
             * Retrieve XML config files
             * @param files
             * @param token
             * @param callback
             * @private
             */
            _unzipConfFiles: function(files,token,deferred,callback){
                files[token].getData(new O.esri.zip.TextWriter(token),function(data){
                    this._inMemTilesIndex.push("blank");
                    var name = files[data.token].filename.toLocaleUpperCase();
                    this._inMemTilesObject[name]= data.string;
                    var size = this.ObjectSize(this._inMemTilesObject);
                    if(size > 0){
                        callback(deferred,data.token);
                    }
                }.bind(this));
            },

            /**
             * Retrieve binary tile files as ArrayBuffers
             * @param files
             * @param token
             * @param callback
             * @private
             */
            _unzipTileFiles: function(files,token,deferred,callback){
                var that = this;
                files[token].getData(new O.esri.zip.BlobWriter(token),function(data){
                    if(data.size != 0){
                        var reader = new FileReader();
                        reader.token = data.token;
                        reader.onerror = function (event) {
                            console.error("_unzipTileFiles Error: " + event.target.error.message);
                            that.emit(that.PARSING_ERROR, {msg: "Error parsing file: ", err: event.target.error});
                        }
                        reader.addEventListener("loadend", function (evt) {
                            if(this.token != undefined){
                                that._inMemTilesIndex.push("blank");
                                var name = files[this.token].filename.toLocaleUpperCase();
                                that._inMemTilesObject[name]= this.result;
                                var size = that.ObjectSize(that._inMemTilesObject);
                                if(size > 0){
                                    callback(deferred,data.token);
                                }
                            }
                        });
                        reader.readAsArrayBuffer(data); //open bundleX
                    }
                });
            },

            /**
             * Parse conf.cdi
             * @param callback
             * @private
             */
            _parseConfCdi: function(callback){
                var m_conf_i = this._inMemTilesObject[this.TILE_PATH + "CONF.CDI"];

                var x2js = new O.esri.TPK.X2JS();

                var jsonObj = x2js.xml_str2json( m_conf_i );
                var envelopeInfo = jsonObj.EnvelopeN;
                var xmin = parseFloat(envelopeInfo.XMin);
                var ymin = parseFloat(envelopeInfo.YMin);
                var xmax = parseFloat(envelopeInfo.XMax);
                var ymax = parseFloat(envelopeInfo.YMax);
                var sr = parseInt(envelopeInfo.SpatialReference.WKID);

                var initExtent = new Extent(
                    xmin,ymin,xmax,ymax, new SpatialReference({wkid:sr})
                );

                callback(initExtent);
            },

            /**
             * Parse conf.xml
             * @param callback
             * @private
             */
            _parseConfXml:function(callback) {
                var m_conf = this._inMemTilesObject[this.TILE_PATH + "CONF.XML"];

                var x2js = new O.esri.TPK.X2JS();

                var jsonObj = x2js.xml_str2json(m_conf);
                var cacheInfo = jsonObj.CacheInfo;
                var tileInfo = {};
                tileInfo.rows = parseInt(cacheInfo.TileCacheInfo.TileRows);
                tileInfo.cols = parseInt(cacheInfo.TileCacheInfo.TileCols);
                tileInfo.dpi = parseInt(cacheInfo.TileCacheInfo.DPI);
                tileInfo.format = cacheInfo.TileImageInfo.CacheTileFormat;
                tileInfo.compressionQuality = parseInt(cacheInfo.TileImageInfo.CompressionQuality);
                tileInfo.origin = {
                    x: parseInt(cacheInfo.TileCacheInfo.TileOrigin.X),
                    y: parseInt(cacheInfo.TileCacheInfo.TileOrigin.Y)
                }
                tileInfo.spatialReference = {
                    "wkid": parseInt(cacheInfo.TileCacheInfo.SpatialReference.WKID)
                }

                var lods = cacheInfo.TileCacheInfo.LODInfos.LODInfo;
                var finalLods = [];
                for (var i = 0; i < lods.length; i++) {
                    finalLods.push({
                        "level": parseFloat(lods[i].LevelID),
                        "resolution": parseFloat(lods[i].Resolution),
                        "scale": parseFloat(lods[i].Scale)})
                }

                tileInfo.lods = finalLods;
                callback(tileInfo);
            },

            /**
             * Parses the in-memory tile cache and returns a base64 tile image
             * @param layersDir
             * @param level
             * @param row
             * @param col
             * @param tileCount - number of tiles in the Extent
             * @param tiledId - id of the associated tile being passed
             * @param callback
             * @private
             */
            _getInMemTiles: function(url,layersDir,level,row,col,tileId,callback){

                var that = this._self;
                var db = this.store;

                //First check in the database if the tile exists.
                //If not then we store the tile in the database later.
                this.store.retrieve(url, function(success, offlineTile){
                    if( success )
                    {
                        console.log("Tile found in storage: " + url)
                        callback(offlineTile.img,tileId,url);
                    }
                    else {
                        console.log("Tile is not in storage: " + url)
                        var snappedRow = Math.floor(row / 128) * 128;
                        var snappedCol = Math.floor(col / 128) * 128;

                        var path = this._getCacheFilePath(layersDir, level, snappedRow, snappedCol).toLocaleUpperCase();

                        var offset;
                        var bundleIndex = path + ".BUNDLE";
                        var bufferI = this._inMemTilesObject[bundleIndex];
                        var bufferX = this._inMemTilesObject[path + ".BUNDLX"];

                        if(bufferI != undefined || bufferX != undefined) {
                            offset = this._getOffset(level, row, col, snappedRow, snappedCol);
                            var pointer = that._getPointer(bufferX, offset);

                            that._buffer2Base64(bufferI,pointer,function(result){
                                if (that._isDBWriteable)that._storeTile(url, result, db,function(success,err){
                                    if(err){
                                        console.log("TPKLayer - Error writing to database." + err.message);
                                        that.emit(that.DATABASE_ERROR_EVENT,{msg:"Error writing to database. ", err : err});
                                    }
                                });
                                callback(result,tileId, url);
                            }.bind(that));
                        }
                        else{
                            console.log("_getInMemTiles Error: Invalid values");
                            callback(null,tileId,url);
                        }
                    }
                }.bind(that))
            },

            /**
             * Stores a tile in the local database.
             * @param url
             * @param base64Str
             * @param db
             * @param callback
             * @private
             */
            _storeTile: function(url,base64Str,db,callback){
                var tile = {
                    url: url,
                    img: base64Str
                };

                db.store(tile,function(success,err){
                    callback(success,err);
                });
            },

            /**
             * Returns a pointer for reading a BUNDLE binary file as based on the given offset.
             * @param buffer
             * @param offset
             * @returns {Uint8}
             * @private
             */
            _getPointer: function(/* ArrayBuffer */ buffer,offset){
                var snip = buffer.slice(offset);
                var dv =  new DataView(snip,0,5);

                var nume1 = dv.getUint8(0,true);
                var nume2 = dv.getUint8(1,true);
                var nume3 = dv.getUint8(2,true);
                var nume4 = dv.getUint8(3,true);
                var nume5 = dv.getUint8(4,true);

                var value = nume5;
                value = value * 256 + nume4;
                value = value * 256 + nume3;
                value = value * 256 + nume2;
                value = value * 256 + nume1;

                return value;
            },

            /**
             * Convert an ArrayBuffer to base64. My testing shows this to be
             * much faster than combining Blobs and btoa().
             * ALL CREDITS: https://gist.github.com/jonleighton/958841
             * NO licensing listed at the gist repo.
             * @param arrayBuffer
             * @returns {string}
             * @private
             */
            _base64ArrayBuffer: function(arrayBuffer) {
                var base64    = ''
                var encodings = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'

                var bytes         = new Uint8Array(arrayBuffer)
                var byteLength    = bytes.byteLength
                var byteRemainder = byteLength % 3
                var mainLength    = byteLength - byteRemainder

                var a, b, c, d
                var chunk

                // Main loop deals with bytes in chunks of 3
                for (var i = 0; i < mainLength; i = i + 3) {
                    // Combine the three bytes into a single integer
                    chunk = (bytes[i] << 16) | (bytes[i + 1] << 8) | bytes[i + 2]

                    // Use bitmasks to extract 6-bit segments from the triplet
                    a = (chunk & 16515072) >> 18 // 16515072 = (2^6 - 1) << 18
                    b = (chunk & 258048)   >> 12 // 258048   = (2^6 - 1) << 12
                    c = (chunk & 4032)     >>  6 // 4032     = (2^6 - 1) << 6
                    d = chunk & 63               // 63       = 2^6 - 1

                    // Convert the raw binary segments to the appropriate ASCII encoding
                    base64 += encodings[a] + encodings[b] + encodings[c] + encodings[d]
                }

                // Deal with the remaining bytes and padding
                if (byteRemainder == 1) {
                    chunk = bytes[mainLength]

                    a = (chunk & 252) >> 2 // 252 = (2^6 - 1) << 2

                    // Set the 4 least significant bits to zero
                    b = (chunk & 3)   << 4 // 3   = 2^2 - 1

                    base64 += encodings[a] + encodings[b] + '=='
                } else if (byteRemainder == 2) {
                    chunk = (bytes[mainLength] << 8) | bytes[mainLength + 1]

                    a = (chunk & 64512) >> 10 // 64512 = (2^6 - 1) << 10
                    b = (chunk & 1008)  >>  4 // 1008  = (2^6 - 1) << 4

                    // Set the 2 least significant bits to zero
                    c = (chunk & 15)    <<  2 // 15    = 2^4 - 1

                    base64 += encodings[a] + encodings[b] + encodings[c] + '='
                }

                return base64
            },

            /**
             * Given a ArrayBuffer and a position it will return a Base64 tile image
             * @param arrayBuffer
             * @param position
             * @returns {string}
             * @private
             */
            _buffer2Base64: function(/* ArrayBuffer */arrayBuffer,/* int */ position,callback){
                var view = new DataView(arrayBuffer,position);
                var chunk = view.getInt32(0,true);
                var buffer = view.buffer.slice(position + 4,position + 4 + chunk);
                var string = this._base64ArrayBuffer(buffer);
                callback(string);
            },

            /**
             * Converts an integer to hex
             * @param value
             * @returns {string}
             * @private
             */
            _int2HexString: function(/* int */ value){
                var text = value.toString(16).toUpperCase();
                if (text.length === 1)
                {
                    return "000" + text;
                }
                if (text.length === 2)
                {
                    return "00" + text;
                }
                if (text.length === 3)
                {
                    return "0" + text;
                }
                return text.substr(0, text.length);
            },

            /**
             * Determines where to start reading a BUNDLEX binary file
             * @param level
             * @param row
             * @param col
             * @param startRow
             * @param startCol
             * @returns {number}
             * @private
             */
            _getOffset: function(/* int */level, /* number */row,/* number */col, /* number */startRow, /* number */ startCol){
                var recordNumber = 128 * (col - startCol) + (row - startRow);
                return 16 + recordNumber * 5;
            },

            /**
             * Returns a hexadecimal representation of a cache file path
             * @param layerDir
             * @param level
             * @param row
             * @param col
             * @returns {string}
             * @private
             */
            _getCacheFilePath: function(/* String */ layerDir, /* int */level, /* int */row, /* int */ col){
                var arr = [];

                arr.push(layerDir);
                arr.push("/");
                arr.push("L");
                arr.push(level < 10 ? "0" + level : level);
                arr.push("/");
                arr.push("R");
                arr.push(this._int2HexString(row));
                arr.push("C");
                arr.push(this._int2HexString(col));

                return arr.join("");
            },

            /**
             * Returns database size in MBs.
             * @returns {string}
             * @private
             */
            _bytes2MBs: function(bytes){
                return (bytes >>> 20 ) + '.' + ( bytes & (2*0x3FF ) )
            }
        })
    }
)
/**
 * Creates a namespace for the non-AMD libraries in this directory
 */


if(typeof O != "undefined"){
    O.esri.TPK = {}
}
else{
    O = {};
    O.esri = {
        TPK: {},
        Tiles: {}
    }
}

"use strict";


/*global indexedDB */
/**
 * Library for handling the storing of map tiles in IndexedDB.
 *
 * Author: Andy Gup (@agup)
 * Contributor: Javier Abadia (@javierabadia)
 */

O.esri.Tiles.TilesStore = function(){
    /**
     * Internal reference to the local database
     * @type {null}
     * @private
     */
    this._db = null;

    var DB_NAME = "offline_tile_store";

    /**
     * Determines if indexedDB is supported
     * @returns {boolean}
     */
    this.isSupported = function(){

        if(!window.indexedDB && !window.openDatabase){
            return false;
        }

        return true;
    };

    /**
     * Adds an object to the database
     * @param urlDataPair
     * @param callback callback(boolean, err)
     */
    this.store = function(urlDataPair,callback)
    {
        try
        {
            var transaction = this._db.transaction(["tilepath"],"readwrite");

            transaction.oncomplete = function()
            {
                callback(true);
            };

            transaction.onerror = function(event)
            {
                callback(false,event.target.error.message);
            };

            var objectStore = transaction.objectStore("tilepath");
            var request = objectStore.put(urlDataPair);
            request.onsuccess = function()
            {
                //console.log("item added to db " + event.target.result);
            };
        }
        catch(err)
        {
            console.log("TilesStore: " + err.stack);
            callback(false, err.stack);
        }
    };

    /**
     * Retrieve a record.
     * @param url
     * @param callback
     */
    this.retrieve = function(/* String */ url,callback)
    {
        if(this._db !== null)
        {
            var objectStore = this._db.transaction(["tilepath"]).objectStore("tilepath");
            var request = objectStore.get(url);
            request.onsuccess = function(event)
            {
                var result = event.target.result;
                if(result == undefined)
                {
                    callback(false,"not found");
                }
                else
                {
                    callback(true,result);
                }
            };
            request.onerror = function(err)
            {
                console.log(err);
                callback(false, err);
            };
        }
    };

    /**
     * Deletes entire database
     * @param callback callback(boolean, err)
     */
    this.deleteAll = function(callback)
    {
        if(this._db !== null)
        {
            var request = this._db.transaction(["tilepath"],"readwrite")
                .objectStore("tilepath")
                .clear();
            request.onsuccess = function()
            {
                callback(true);
            };
            request.onerror = function(err)
            {
                callback(false, err);
            };
        }
        else
        {
            callback(false,null);
        }
    };

    /**
     * Delete an individual entry
     * @param url
     * @param callback callback(boolean, err)
     */
    this.delete = function(/* String */ url,callback)
    {
        if(this._db !== null)
        {
            var request = this._db.transaction(["tilepath"],"readwrite")
                .objectStore("tilepath")
                .delete(url);
            request.onsuccess = function()
            {
                callback(true);
            };
            request.onerror = function(err)
            {
                callback(false, err);
            };
        }
        else
        {
            callback(false,null);
        }
    };

    /**
     * Retrieve all tiles from indexeddb
     * @param callback callback(url, img, err)
     */
    this.getAllTiles = function(callback)
    {
        if(this._db !== null){
            var transaction = this._db.transaction(["tilepath"])
                .objectStore("tilepath")
                .openCursor();

            transaction.onsuccess = function(event)
            {
                var cursor = event.target.result;
                if(cursor){
                    var url = cursor.value.url;
                    var img = cursor.value.img;
                    callback(url,img,null);
                    cursor.continue();
                }
                else
                {
                    callback(null, null, "end");
                }
            }.bind(this);
            transaction.onerror = function(err)
            {
                callback(null, null, err);
            };
        }
        else
        {
            callback(null, null, "no db");
        }
    };

    /**
     * Provides the size of database in bytes
     * @param callback callback(size, null) or callback(null, error)
     */
    this.usedSpace = function(callback){
        if(this._db !== null){
            var usage = { sizeBytes: 0, tileCount: 0 };

            var transaction = this._db.transaction(["tilepath"])
                .objectStore("tilepath")
                .openCursor();

            transaction.onsuccess = function(event){
                var cursor = event.target.result;
                if(cursor){
                    var storedObject = cursor.value;
                    var json = JSON.stringify(storedObject);
                    usage.sizeBytes += this._stringBytes(json);
                    usage.tileCount += 1;
                    cursor.continue();
                }
                else
                {
                    callback(usage,null);
                }
            }.bind(this);
            transaction.onerror = function(err)
            {
                callback(null, err);
            };
        }
        else
        {
            callback(null,null);
        }
    };

    this._stringBytes = function(str) {
        return str.length /**2*/ ;
    };

    this.init = function(callback)
    {
        var request = indexedDB.open(DB_NAME, 4);
        callback = callback || function(success) { console.log("TilesStore::init() success:", success); }.bind(this);

        request.onerror = function(event)
        {
            console.log("indexedDB error: " + event.target.errorCode);
            callback(false,event.target.errorCode);
        }.bind(this);

        request.onupgradeneeded = function(event)
        {
            var db = event.target.result;

            if( db.objectStoreNames.contains("tilepath"))
            {
                db.deleteObjectStore("tilepath");
            }

            db.createObjectStore("tilepath", { keyPath: "url" });
        }.bind(this);

        request.onsuccess = function(event)
        {
            this._db = event.target.result;
            console.log("database opened successfully");
            callback(true);
        }.bind(this);
    };
};


//https://github.com/gildas-lormeau/zip.js/blob/master/WebContent/zip.js
/*
 Copyright (c) 2013 Gildas Lormeau. All rights reserved.

 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:

 1. Redistributions of source code must retain the above copyright notice,
 this list of conditions and the following disclaimer.

 2. Redistributions in binary form must reproduce the above copyright
 notice, this list of conditions and the following disclaimer in
 the documentation and/or other materials provided with the distribution.

 3. The names of the authors may not be used to endorse or promote products
 derived from this software without specific prior written permission.

 THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JCRAFT,
 INC. OR ANY CONTRIBUTORS TO THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

(function(obj) {

    var ERR_BAD_FORMAT = "File format is not recognized.";
    var ERR_ENCRYPTED = "File contains encrypted entry.";
    var ERR_ZIP64 = "File is using Zip64 (4gb+ file size).";
    var ERR_READ = "Error while reading zip file.";
    var ERR_WRITE = "Error while writing zip file.";
    var ERR_WRITE_DATA = "Error while writing file data.";
    var ERR_READ_DATA = "Error while reading file data.";
    var ERR_DUPLICATED_NAME = "File already exists.";
    var CHUNK_SIZE = 512 * 1024;

    var INFLATE_JS = ""; //left blank intentionally! Modified by @agup
    var DEFLATE_JS = "deflate.js";

    var TEXT_PLAIN = "text/plain";

    var MESSAGE_EVENT = "message";

    var appendABViewSupported;
    try {
        appendABViewSupported = new Blob([ new DataView(new ArrayBuffer(0)) ]).size === 0;
    } catch (e) {
    }

    function Crc32() {
        var crc = -1, that = this;
        that.append = function(data) {
            var offset, table = that.table;
            for (offset = 0; offset < data.length; offset++)
                crc = (crc >>> 8) ^ table[(crc ^ data[offset]) & 0xFF];
        };
        that.get = function() {
            return ~crc;
        };
    }
    Crc32.prototype.table = (function() {
        var i, j, t, table = [];
        for (i = 0; i < 256; i++) {
            t = i;
            for (j = 0; j < 8; j++)
                if (t & 1)
                    t = (t >>> 1) ^ 0xEDB88320;
                else
                    t = t >>> 1;
            table[i] = t;
        }
        return table;
    })();

    function blobSlice(blob, index, length) {
        if (blob.slice)
            return blob.slice(index, index + length);
        else if (blob.webkitSlice)
            return blob.webkitSlice(index, index + length);
        else if (blob.mozSlice)
            return blob.mozSlice(index, index + length);
        else if (blob.msSlice)
            return blob.msSlice(index, index + length);
    }

    function getDataHelper(byteLength, bytes) {
        var dataBuffer, dataArray;
        dataBuffer = new ArrayBuffer(byteLength);
        dataArray = new Uint8Array(dataBuffer);
        if (bytes)
            dataArray.set(bytes, 0);
        return {
            buffer : dataBuffer,
            array : dataArray,
            view : new DataView(dataBuffer)
        };
    }

    // Readers
    function Reader() {
    }

    function TextReader(text) {
        var that = this, blobReader;

        function init(callback, onerror) {
            var blob = new Blob([ text ], {
                type : TEXT_PLAIN
            });
            blobReader = new BlobReader(blob);
            blobReader.init(function() {
                that.size = blobReader.size;
                callback();
            }, onerror);
        }

        function readUint8Array(index, length, callback, onerror) {
            blobReader.readUint8Array(index, length, callback, onerror);
        }

        that.size = 0;
        that.init = init;
        that.readUint8Array = readUint8Array;
    }
    TextReader.prototype = new Reader();
    TextReader.prototype.constructor = TextReader;

    function Data64URIReader(dataURI) {
        var that = this, dataStart;

        function init(callback) {
            var dataEnd = dataURI.length;
            while (dataURI.charAt(dataEnd - 1) == "=")
                dataEnd--;
            dataStart = dataURI.indexOf(",") + 1;
            that.size = Math.floor((dataEnd - dataStart) * 0.75);
            callback();
        }

        function readUint8Array(index, length, callback) {
            var i, data = getDataHelper(length);
            var start = Math.floor(index / 3) * 4;
            var end = Math.ceil((index + length) / 3) * 4;
            var bytes = obj.atob(dataURI.substring(start + dataStart, end + dataStart));
            var delta = index - Math.floor(start / 4) * 3;
            for (i = delta; i < delta + length; i++)
                data.array[i - delta] = bytes.charCodeAt(i);
            callback(data.array);
        }

        that.size = 0;
        that.init = init;
        that.readUint8Array = readUint8Array;
    }
    Data64URIReader.prototype = new Reader();
    Data64URIReader.prototype.constructor = Data64URIReader;

    function BlobReader(blob) {
        var that = this;

        function init(callback) {
            this.size = blob.size;
            callback();
        }

        function readUint8Array(index, length, callback, onerror) {
            var reader = new FileReader();
            reader.onload = function(e) {
                callback(new Uint8Array(e.target.result));
            };
            reader.onerror = onerror;
            reader.readAsArrayBuffer(blobSlice(blob, index, length));
        }

        that.size = 0;
        that.init = init;
        that.readUint8Array = readUint8Array;
    }
    BlobReader.prototype = new Reader();
    BlobReader.prototype.constructor = BlobReader;

    // Writers

    function Writer() {
    }
    Writer.prototype.getData = function(callback) {
        callback(this.data);
    };

    //Added by Andy G. Tracking token
    function TextWriter(token,encoding) {
        var that = this, blob;

        function init(callback) {
            blob = new Blob([], {
                type: TEXT_PLAIN
            });
            callback();
        }

        function writeUint8Array(array, callback) {
            blob = new Blob([ blob, appendABViewSupported ? array : array.buffer ], {
                type: TEXT_PLAIN
            });
            callback();
        }

        function getData(callback, onerror) {
            var reader = new FileReader();
            reader.onload = function (e) {
                var obj = {string: e.target.result,token:token};
                callback(obj);
            };
            reader.onerror = onerror;
            reader.readAsText(blob, encoding);
        }

        that.init = init;
        that.writeUint8Array = writeUint8Array;
        that.getData = getData;
    }
    TextWriter.prototype = new Writer();
    TextWriter.prototype.constructor = TextWriter;

    function Data64URIWriter(contentType) {
        var that = this, data = "", pending = "";

        function init(callback) {
            data += "data:" + (contentType || "") + ";base64,";
            callback();
        }

        function writeUint8Array(array, callback) {
            var i, delta = pending.length, dataString = pending;
            pending = "";
            for (i = 0; i < (Math.floor((delta + array.length) / 3) * 3) - delta; i++)
                dataString += String.fromCharCode(array[i]);
            for (; i < array.length; i++)
                pending += String.fromCharCode(array[i]);
            if (dataString.length > 2)
                data += obj.btoa(dataString);
            else
                pending = dataString;
            callback();
        }

        function getData(callback) {
            callback(data + obj.btoa(pending));
        }

        that.init = init;
        that.writeUint8Array = writeUint8Array;
        that.getData = getData;
    }
    Data64URIWriter.prototype = new Writer();
    Data64URIWriter.prototype.constructor = Data64URIWriter;

    //Added by Andy G. Tracking token
    function BlobWriter(token,contentType) {
        var blob, that = this   ;

        function init(callback) {
            blob = new Blob([], {
                type: contentType
            });
            callback();
        }

        function writeUint8Array(array, callback) {
            blob = new Blob([ blob, appendABViewSupported ? array : array.buffer ], {
                type: contentType
            });
            blob.token = token;
            callback();
        }

        function getData(callback) {
            callback(blob);
        }

        that.init = init;
        that.writeUint8Array = writeUint8Array;
        that.getData = getData;
    }
    BlobWriter.prototype = new Writer();
    BlobWriter.prototype.constructor = BlobWriter;

    // inflate/deflate core functions

    function launchWorkerProcess(worker, reader, writer, offset, size, onappend, onprogress, onend, onreaderror, onwriteerror) {
        var chunkIndex = 0, index, outputSize;

        function onflush() {
            worker.removeEventListener(MESSAGE_EVENT, onmessage, false);
            onend(outputSize);
        }

        function onmessage(event) {
            var message = event.data, data = message.data;

            if (message.onappend) {
                outputSize += data.length;
                writer.writeUint8Array(data, function() {
                    onappend(false, data);
                    step();
                }, onwriteerror);
            }
            if (message.onflush)
                if (data) {
                    outputSize += data.length;
                    writer.writeUint8Array(data, function() {
                        onappend(false, data);
                        onflush();
                    }, onwriteerror);
                } else
                    onflush();
            if (message.progress && onprogress)
                onprogress(index + message.current, size);
        }

        function step() {
            index = chunkIndex * CHUNK_SIZE;
            if (index < size)
                reader.readUint8Array(offset + index, Math.min(CHUNK_SIZE, size - index), function(array) {
                    worker.postMessage({
                        append : true,
                        data : array
                    });
                    chunkIndex++;
                    if (onprogress)
                        onprogress(index, size);
                    onappend(true, array);
                }, onreaderror);
            else
                worker.postMessage({
                    flush : true
                });
        }

        outputSize = 0;
        worker.addEventListener(MESSAGE_EVENT, onmessage, false);
        step();
    }

    function launchProcess(process, reader, writer, offset, size, onappend, onprogress, onend, onreaderror, onwriteerror) {
        var chunkIndex = 0, index, outputSize = 0;

        function step() {
            var outputData;
            index = chunkIndex * CHUNK_SIZE;
            if (index < size)
                reader.readUint8Array(offset + index, Math.min(CHUNK_SIZE, size - index), function(inputData) {
                    var outputData = process.append(inputData, function() {
                        if (onprogress)
                            onprogress(offset + index, size);
                    });
                    outputSize += outputData.length;
                    onappend(true, inputData);
                    writer.writeUint8Array(outputData, function() {
                        onappend(false, outputData);
                        chunkIndex++;
                        setTimeout(step, 1);
                    }, onwriteerror);
                    if (onprogress)
                        onprogress(index, size);
                }, onreaderror);
            else {
                outputData = process.flush();
                if (outputData) {
                    outputSize += outputData.length;
                    writer.writeUint8Array(outputData, function() {
                        onappend(false, outputData);
                        onend(outputSize);
                    }, onwriteerror);
                } else
                    onend(outputSize);
            }
        }

        step();
    }

    function inflate(reader, writer, offset, size, computeCrc32, onend, onprogress, onreaderror, onwriteerror) {
        var worker, crc32 = new Crc32();

        function oninflateappend(sending, array) {
            if (computeCrc32 && !sending)
                crc32.append(array);
        }

        function oninflateend(outputSize) {
            onend(outputSize, crc32.get());
        }

        if (obj.zip.useWebWorkers) {

            worker = new Worker(obj.zip.workerScriptsPath + INFLATE_JS);
            launchWorkerProcess(worker, reader, writer, offset, size, oninflateappend, onprogress, oninflateend, onreaderror, onwriteerror);
        } else
            launchProcess(new obj.zip.Inflater(), reader, writer, offset, size, oninflateappend, onprogress, oninflateend, onreaderror, onwriteerror);
        return worker;
    }

    function deflate(reader, writer, level, onend, onprogress, onreaderror, onwriteerror) {
        var worker, crc32 = new Crc32();

        function ondeflateappend(sending, array) {
            if (sending)
                crc32.append(array);
        }

        function ondeflateend(outputSize) {
            onend(outputSize, crc32.get());
        }

        function onmessage() {
            worker.removeEventListener(MESSAGE_EVENT, onmessage, false);
            launchWorkerProcess(worker, reader, writer, 0, reader.size, ondeflateappend, onprogress, ondeflateend, onreaderror, onwriteerror);
        }

        if (obj.zip.useWebWorkers) {
            worker = new Worker(obj.zip.workerScriptsPath + DEFLATE_JS);
            worker.addEventListener(MESSAGE_EVENT, onmessage, false);
            worker.postMessage({
                init : true,
                level : level
            });
        } else
            launchProcess(new obj.zip.Deflater(), reader, writer, 0, reader.size, ondeflateappend, onprogress, ondeflateend, onreaderror, onwriteerror);
        return worker;
    }

    function copy(reader, writer, offset, size, computeCrc32, onend, onprogress, onreaderror, onwriteerror) {
        var chunkIndex = 0, crc32 = new Crc32();

        function step() {
            var index = chunkIndex * CHUNK_SIZE;
            if (index < size)
                reader.readUint8Array(offset + index, Math.min(CHUNK_SIZE, size - index), function(array) {
                    if (computeCrc32)
                        crc32.append(array);
                    if (onprogress)
                        onprogress(index, size, array);
                    writer.writeUint8Array(array, function() {
                        chunkIndex++;
                        step();
                    }, onwriteerror);
                }, onreaderror);
            else
                onend(size, crc32.get());
        }

        step();
    }

    // ZipReader

    function decodeASCII(str) {
        var i, out = "", charCode, extendedASCII = [ '\u00C7', '\u00FC', '\u00E9', '\u00E2', '\u00E4', '\u00E0', '\u00E5', '\u00E7', '\u00EA', '\u00EB',
            '\u00E8', '\u00EF', '\u00EE', '\u00EC', '\u00C4', '\u00C5', '\u00C9', '\u00E6', '\u00C6', '\u00F4', '\u00F6', '\u00F2', '\u00FB', '\u00F9',
            '\u00FF', '\u00D6', '\u00DC', '\u00F8', '\u00A3', '\u00D8', '\u00D7', '\u0192', '\u00E1', '\u00ED', '\u00F3', '\u00FA', '\u00F1', '\u00D1',
            '\u00AA', '\u00BA', '\u00BF', '\u00AE', '\u00AC', '\u00BD', '\u00BC', '\u00A1', '\u00AB', '\u00BB', '_', '_', '_', '\u00A6', '\u00A6',
            '\u00C1', '\u00C2', '\u00C0', '\u00A9', '\u00A6', '\u00A6', '+', '+', '\u00A2', '\u00A5', '+', '+', '-', '-', '+', '-', '+', '\u00E3',
            '\u00C3', '+', '+', '-', '-', '\u00A6', '-', '+', '\u00A4', '\u00F0', '\u00D0', '\u00CA', '\u00CB', '\u00C8', 'i', '\u00CD', '\u00CE',
            '\u00CF', '+', '+', '_', '_', '\u00A6', '\u00CC', '_', '\u00D3', '\u00DF', '\u00D4', '\u00D2', '\u00F5', '\u00D5', '\u00B5', '\u00FE',
            '\u00DE', '\u00DA', '\u00DB', '\u00D9', '\u00FD', '\u00DD', '\u00AF', '\u00B4', '\u00AD', '\u00B1', '_', '\u00BE', '\u00B6', '\u00A7',
            '\u00F7', '\u00B8', '\u00B0', '\u00A8', '\u00B7', '\u00B9', '\u00B3', '\u00B2', '_', ' ' ];
        for (i = 0; i < str.length; i++) {
            charCode = str.charCodeAt(i) & 0xFF;
            if (charCode > 127)
                out += extendedASCII[charCode - 128];
            else
                out += String.fromCharCode(charCode);
        }
        return out;
    }

    function decodeUTF8(string) {
        return decodeURIComponent(escape(string));
    }

    function getString(bytes) {
        var i, str = "";
        for (i = 0; i < bytes.length; i++)
            str += String.fromCharCode(bytes[i]);
        return str;
    }

    function getDate(timeRaw) {
        var date = (timeRaw & 0xffff0000) >> 16, time = timeRaw & 0x0000ffff;
        try {
            return new Date(1980 + ((date & 0xFE00) >> 9), ((date & 0x01E0) >> 5) - 1, date & 0x001F, (time & 0xF800) >> 11, (time & 0x07E0) >> 5,
                    (time & 0x001F) * 2, 0);
        } catch (e) {
        }
    }

    function readCommonHeader(entry, data, index, centralDirectory, onerror) {
        entry.version = data.view.getUint16(index, true);
        entry.bitFlag = data.view.getUint16(index + 2, true);
        entry.compressionMethod = data.view.getUint16(index + 4, true);
        entry.lastModDateRaw = data.view.getUint32(index + 6, true);
        entry.lastModDate = getDate(entry.lastModDateRaw);
        if ((entry.bitFlag & 0x01) === 0x01) {
            onerror(ERR_ENCRYPTED);
            return;
        }
        if (centralDirectory || (entry.bitFlag & 0x0008) != 0x0008) {
            entry.crc32 = data.view.getUint32(index + 10, true);
            entry.compressedSize = data.view.getUint32(index + 14, true);
            entry.uncompressedSize = data.view.getUint32(index + 18, true);
        }
        if (entry.compressedSize === 0xFFFFFFFF || entry.uncompressedSize === 0xFFFFFFFF) {
            onerror(ERR_ZIP64);
            return;
        }
        entry.filenameLength = data.view.getUint16(index + 22, true);
        entry.extraFieldLength = data.view.getUint16(index + 24, true);
    }

    function createZipReader(reader, onerror) {
        function Entry() {
        }

        Entry.prototype.getData = function(writer, onend, onprogress, checkCrc32) {
            var that = this, worker;

            function terminate(callback, param) {
                if (worker)
                    worker.terminate();
                worker = null;
                if (callback)
                    callback(param);
            }

            function testCrc32(crc32) {
                var dataCrc32 = getDataHelper(4);
                dataCrc32.view.setUint32(0, crc32);
                return that.crc32 == dataCrc32.view.getUint32(0);
            }

            function getWriterData(uncompressedSize, crc32) {
                if (checkCrc32 && !testCrc32(crc32))
                    onreaderror();
                else
                    writer.getData(function(data) {
                        terminate(onend, data);
                    });
            }

            function onreaderror() {
                terminate(onerror, ERR_READ_DATA);
            }

            function onwriteerror() {
                terminate(onerror, ERR_WRITE_DATA);
            }

            reader.readUint8Array(that.offset, 30, function(bytes) {
                var data = getDataHelper(bytes.length, bytes), dataOffset;
                if (data.view.getUint32(0) != 0x504b0304) {
                    onerror(ERR_BAD_FORMAT);
                    return;
                }
                readCommonHeader(that, data, 4, false, onerror);
                dataOffset = that.offset + 30 + that.filenameLength + that.extraFieldLength;
                writer.init(function() {
                    if (that.compressionMethod === 0)
                        copy(reader, writer, dataOffset, that.compressedSize, checkCrc32, getWriterData, onprogress, onreaderror, onwriteerror);
                    else
                        worker = inflate(reader, writer, dataOffset, that.compressedSize, checkCrc32, getWriterData, onprogress, onreaderror, onwriteerror);
                }, onwriteerror);
            }, onreaderror);
        };

        function seekEOCDR(offset, entriesCallback) {
            reader.readUint8Array(reader.size - offset, offset, function(bytes) {
                var dataView = getDataHelper(bytes.length, bytes).view;
                if (dataView.getUint32(0) != 0x504b0506) {
                    seekEOCDR(offset + 1, entriesCallback);
                } else {
                    entriesCallback(dataView);
                }
            }, function() {
                onerror(ERR_READ);
            });
        }

        return {
            getEntries : function(callback) {
                if (reader.size < 22) {
                    onerror(ERR_BAD_FORMAT);
                    return;
                }
                // look for End of central directory record
                seekEOCDR(22, function(dataView) {
                    var datalength, fileslength;
                    datalength = dataView.getUint32(16, true);
                    fileslength = dataView.getUint16(8, true);
                    reader.readUint8Array(datalength, reader.size - datalength, function(bytes) {
                        var i, index = 0, entries = [], entry, filename, comment, data = getDataHelper(bytes.length, bytes);
                        for (i = 0; i < fileslength; i++) {
                            entry = new Entry();
                            if (data.view.getUint32(index) != 0x504b0102) {
                                onerror(ERR_BAD_FORMAT);
                                return;
                            }
                            readCommonHeader(entry, data, index + 6, true, onerror);
                            entry.commentLength = data.view.getUint16(index + 32, true);
                            entry.directory = ((data.view.getUint8(index + 38) & 0x10) == 0x10);
                            entry.offset = data.view.getUint32(index + 42, true);
                            filename = getString(data.array.subarray(index + 46, index + 46 + entry.filenameLength));
                            entry.filename = ((entry.bitFlag & 0x0800) === 0x0800) ? decodeUTF8(filename) : decodeASCII(filename);
                            if (!entry.directory && entry.filename.charAt(entry.filename.length - 1) == "/")
                                entry.directory = true;
                            comment = getString(data.array.subarray(index + 46 + entry.filenameLength + entry.extraFieldLength, index + 46
                                + entry.filenameLength + entry.extraFieldLength + entry.commentLength));
                            entry.comment = ((entry.bitFlag & 0x0800) === 0x0800) ? decodeUTF8(comment) : decodeASCII(comment);
                            entries.push(entry);
                            index += 46 + entry.filenameLength + entry.extraFieldLength + entry.commentLength;
                        }
                        callback(entries);
                    }, function() {
                        onerror(ERR_READ);
                    });
                });
            },
            close : function(callback) {
                if (callback)
                    callback();
            }
        };
    }

    // ZipWriter

    function encodeUTF8(string) {
        return unescape(encodeURIComponent(string));
    }

    function getBytes(str) {
        var i, array = [];
        for (i = 0; i < str.length; i++)
            array.push(str.charCodeAt(i));
        return array;
    }

    function createZipWriter(writer, onerror, dontDeflate) {
        var worker, files = {}, filenames = [], datalength = 0;

        function terminate(callback, message) {
            if (worker)
                worker.terminate();
            worker = null;
            if (callback)
                callback(message);
        }

        function onwriteerror() {
            terminate(onerror, ERR_WRITE);
        }

        function onreaderror() {
            terminate(onerror, ERR_READ_DATA);
        }

        return {
            add : function(name, reader, onend, onprogress, options) {
                var header, filename, date;

                function writeHeader(callback) {
                    var data;
                    date = options.lastModDate || new Date();
                    header = getDataHelper(26);
                    files[name] = {
                        headerArray : header.array,
                        directory : options.directory,
                        filename : filename,
                        offset : datalength,
                        comment : getBytes(encodeUTF8(options.comment || ""))
                    };
                    header.view.setUint32(0, 0x14000808);
                    if (options.version)
                        header.view.setUint8(0, options.version);
                    if (!dontDeflate && options.level !== 0 && !options.directory)
                        header.view.setUint16(4, 0x0800);
                    header.view.setUint16(6, (((date.getHours() << 6) | date.getMinutes()) << 5) | date.getSeconds() / 2, true);
                    header.view.setUint16(8, ((((date.getFullYear() - 1980) << 4) | (date.getMonth() + 1)) << 5) | date.getDate(), true);
                    header.view.setUint16(22, filename.length, true);
                    data = getDataHelper(30 + filename.length);
                    data.view.setUint32(0, 0x504b0304);
                    data.array.set(header.array, 4);
                    data.array.set(filename, 30);
                    datalength += data.array.length;
                    writer.writeUint8Array(data.array, callback, onwriteerror);
                }

                function writeFooter(compressedLength, crc32) {
                    var footer = getDataHelper(16);
                    datalength += compressedLength || 0;
                    footer.view.setUint32(0, 0x504b0708);
                    if (typeof crc32 != "undefined") {
                        header.view.setUint32(10, crc32, true);
                        footer.view.setUint32(4, crc32, true);
                    }
                    if (reader) {
                        footer.view.setUint32(8, compressedLength, true);
                        header.view.setUint32(14, compressedLength, true);
                        footer.view.setUint32(12, reader.size, true);
                        header.view.setUint32(18, reader.size, true);
                    }
                    writer.writeUint8Array(footer.array, function() {
                        datalength += 16;
                        terminate(onend);
                    }, onwriteerror);
                }

                function writeFile() {
                    options = options || {};
                    name = name.trim();
                    if (options.directory && name.charAt(name.length - 1) != "/")
                        name += "/";
                    if (files.hasOwnProperty(name)) {
                        onerror(ERR_DUPLICATED_NAME);
                        return;
                    }
                    filename = getBytes(encodeUTF8(name));
                    filenames.push(name);
                    writeHeader(function() {
                        if (reader)
                            if (dontDeflate || options.level === 0)
                                copy(reader, writer, 0, reader.size, true, writeFooter, onprogress, onreaderror, onwriteerror);
                            else
                                worker = deflate(reader, writer, options.level, writeFooter, onprogress, onreaderror, onwriteerror);
                        else
                            writeFooter();
                    }, onwriteerror);
                }

                if (reader)
                    reader.init(writeFile, onreaderror);
                else
                    writeFile();
            },
            close : function(callback) {
                var data, length = 0, index = 0, indexFilename, file;
                for (indexFilename = 0; indexFilename < filenames.length; indexFilename++) {
                    file = files[filenames[indexFilename]];
                    length += 46 + file.filename.length + file.comment.length;
                }
                data = getDataHelper(length + 22);
                for (indexFilename = 0; indexFilename < filenames.length; indexFilename++) {
                    file = files[filenames[indexFilename]];
                    data.view.setUint32(index, 0x504b0102);
                    data.view.setUint16(index + 4, 0x1400);
                    data.array.set(file.headerArray, index + 6);
                    data.view.setUint16(index + 32, file.comment.length, true);
                    if (file.directory)
                        data.view.setUint8(index + 38, 0x10);
                    data.view.setUint32(index + 42, file.offset, true);
                    data.array.set(file.filename, index + 46);
                    data.array.set(file.comment, index + 46 + file.filename.length);
                    index += 46 + file.filename.length + file.comment.length;
                }
                data.view.setUint32(index, 0x504b0506);
                data.view.setUint16(index + 8, filenames.length, true);
                data.view.setUint16(index + 10, filenames.length, true);
                data.view.setUint32(index + 12, length, true);
                data.view.setUint32(index + 16, datalength, true);
                writer.writeUint8Array(data.array, function() {
                    terminate(function() {
                        writer.getData(callback);
                    });
                }, onwriteerror);
            }
        };
    }

    obj.zip = {
        Reader : Reader,
        Writer : Writer,
        BlobReader : BlobReader,
        Data64URIReader : Data64URIReader,
        TextReader : TextReader,
        BlobWriter : BlobWriter,
        Data64URIWriter : Data64URIWriter,
        TextWriter : TextWriter,
        createReader : function(reader, callback, onerror) {
            reader.init(function() {
                callback(createZipReader(reader, onerror));
            }, onerror);
        },
        createWriter : function(writer, callback, onerror, dontDeflate) {
            writer.init(function() {
                callback(createZipWriter(writer, onerror, dontDeflate));
            }, onerror);
        },
        workerScriptsPath : "",
        useWebWorkers : true
    };

}(O.esri));
/**
 * This library assists with autoCenter the map upon orientation change
 * IMPORTANT: There are Esri dependencies in this library including
 * esri.Geometry.Point, esri.SpatialReference and Esri.Map.
 * The fact that these dependencies exist is implied that they were
 * loaded via some other means and made globally available.
 * Sometimes this happens by default, as is true in this case.
 * @param map
 * @param delay
 */
O.esri.TPK.autoCenterMap = function(/* Map */ map,/* int */ delay){

    /**
     * Activates the orientation listener and listens for native events.
     */
    function _setOrientationListener(delay){
        var supportsOrientationChange = "onorientationchange" in window,
            orientationEvent = supportsOrientationChange ? "orientationchange" : "resize";

        window.addEventListener(orientationEvent, _debounceMap(function(){
            _centerMap();
        },delay))
    }

    /**
     * Center the map based on locations pulled from local storage
     * @param context
     * @param delay
     * @private
     */
    function _centerMap(){
        var locationStr = _getCenterPt().split(",");
        var wkid = map.spatialReference.wkid;
        var mapPt = null;

        if(wkid == 4326){
            mapPt = new esri.geometry.Point(locationStr[1],locationStr[0]);
        }
        else if(wkid = 102100){
            mapPt = new esri.geometry.Point(locationStr[0],locationStr[1], new esri.SpatialReference({ wkid: wkid }));
        }
        map.centerAt(mapPt);
    }

    /**
     * Minimize the number of times window readjustment fires a function
     * http://davidwalsh.name/javascript-debounce-function
     * @param func
     * @param wait
     * @param immediate
     * @returns {Function}
     */
    function _debounceMap(func, wait, immediate) {
        var timeout;
        return function() {
            var context = this, args = arguments;
            clearTimeout(timeout);
            timeout = setTimeout(function() {
                timeout = null;
                if (!immediate) func.apply(context, args);
            }, wait);
            if (immediate && !timeout) func.apply(context, args);
        };
    }

    /**
     * Automatically sets new center point in local storage.
     */
    function _setPanListener(){
        map.on("pan-end",function(){
            var center = map.extent.getCenter();
            _setCenterPt(center.x,center.y,map.spatialReference.wkid);
        })
    }

    /**
     * Automatically sets new center point and zoom level in
     * local storage.
     */
    function _setZoomListener(){
        map.on("zoom-end",function(){
            var center = map.extent.getCenter();
            _setCenterPt(center.x,center.y,map.spatialReference.wkid);
            map.setZoom(map.getZoom());
        }.bind(self))
    }

    /**
     * Uses localStorage to save a location.
     * @param lat
     * @param lon
     * @param spatialReference
     */
    function _setCenterPt(lat,lon,spatialReference){
        localStorage.setItem("_centerPtX", lat);
        localStorage.setItem("_centerPtY", lon);
        localStorage.setItem("_spatialReference", spatialReference);
    }

    /**
     * Pulls a saved location from localStorage
     * Requires that setCenterPt() has been set.
     * @returns String x,y,spatialReference
     */
    function _getCenterPt(){
        var value = null;

        try{
            value = localStorage.getItem("_centerPtX") + "," + localStorage.getItem("_centerPtY") + "," +
                localStorage.getItem("_spatialReference");
        }
        catch(err)
        {
            console.log("getCenterFromLocalStorage: " + err.message);
        }

        return value;
    }

    this.init = function(){
        _setPanListener();
        _setZoomListener();
        _setOrientationListener(delay);
        var centerPt = map.extent.getCenter();
        _setCenterPt(centerPt.x,centerPt.y,map.spatialReference.wkid);
    }
}
/*
 Copyright (c) 2013 Gildas Lormeau. All rights reserved.

 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:

 1. Redistributions of source code must retain the above copyright notice,
 this list of conditions and the following disclaimer.

 2. Redistributions in binary form must reproduce the above copyright 
 notice, this list of conditions and the following disclaimer in 
 the documentation and/or other materials provided with the distribution.

 3. The names of the authors may not be used to endorse or promote products
 derived from this software without specific prior written permission.

 THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JCRAFT,
 INC. OR ANY CONTRIBUTORS TO THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * This program is based on JZlib 1.0.2 ymnk, JCraft,Inc.
 * JZlib is based on zlib-1.1.3, so all credit should go authors
 * Jean-loup Gailly(jloup@gzip.org) and Mark Adler(madler@alumni.caltech.edu)
 * and contributors of zlib.
 */

O.esri.TPK.inflate = function(obj) {

	// Global
	var MAX_BITS = 15;

	var Z_OK = 0;
	var Z_STREAM_END = 1;
	var Z_NEED_DICT = 2;
	var Z_STREAM_ERROR = -2;
	var Z_DATA_ERROR = -3;
	var Z_MEM_ERROR = -4;
	var Z_BUF_ERROR = -5;

	var inflate_mask = [ 0x00000000, 0x00000001, 0x00000003, 0x00000007, 0x0000000f, 0x0000001f, 0x0000003f, 0x0000007f, 0x000000ff, 0x000001ff, 0x000003ff,
			0x000007ff, 0x00000fff, 0x00001fff, 0x00003fff, 0x00007fff, 0x0000ffff ];

	var MANY = 1440;

	// JZlib version : "1.0.2"
	var Z_NO_FLUSH = 0;
	var Z_FINISH = 4;

	// InfTree
	var fixed_bl = 9;
	var fixed_bd = 5;

	var fixed_tl = [ 96, 7, 256, 0, 8, 80, 0, 8, 16, 84, 8, 115, 82, 7, 31, 0, 8, 112, 0, 8, 48, 0, 9, 192, 80, 7, 10, 0, 8, 96, 0, 8, 32, 0, 9, 160, 0, 8, 0,
			0, 8, 128, 0, 8, 64, 0, 9, 224, 80, 7, 6, 0, 8, 88, 0, 8, 24, 0, 9, 144, 83, 7, 59, 0, 8, 120, 0, 8, 56, 0, 9, 208, 81, 7, 17, 0, 8, 104, 0, 8, 40,
			0, 9, 176, 0, 8, 8, 0, 8, 136, 0, 8, 72, 0, 9, 240, 80, 7, 4, 0, 8, 84, 0, 8, 20, 85, 8, 227, 83, 7, 43, 0, 8, 116, 0, 8, 52, 0, 9, 200, 81, 7, 13,
			0, 8, 100, 0, 8, 36, 0, 9, 168, 0, 8, 4, 0, 8, 132, 0, 8, 68, 0, 9, 232, 80, 7, 8, 0, 8, 92, 0, 8, 28, 0, 9, 152, 84, 7, 83, 0, 8, 124, 0, 8, 60,
			0, 9, 216, 82, 7, 23, 0, 8, 108, 0, 8, 44, 0, 9, 184, 0, 8, 12, 0, 8, 140, 0, 8, 76, 0, 9, 248, 80, 7, 3, 0, 8, 82, 0, 8, 18, 85, 8, 163, 83, 7,
			35, 0, 8, 114, 0, 8, 50, 0, 9, 196, 81, 7, 11, 0, 8, 98, 0, 8, 34, 0, 9, 164, 0, 8, 2, 0, 8, 130, 0, 8, 66, 0, 9, 228, 80, 7, 7, 0, 8, 90, 0, 8,
			26, 0, 9, 148, 84, 7, 67, 0, 8, 122, 0, 8, 58, 0, 9, 212, 82, 7, 19, 0, 8, 106, 0, 8, 42, 0, 9, 180, 0, 8, 10, 0, 8, 138, 0, 8, 74, 0, 9, 244, 80,
			7, 5, 0, 8, 86, 0, 8, 22, 192, 8, 0, 83, 7, 51, 0, 8, 118, 0, 8, 54, 0, 9, 204, 81, 7, 15, 0, 8, 102, 0, 8, 38, 0, 9, 172, 0, 8, 6, 0, 8, 134, 0,
			8, 70, 0, 9, 236, 80, 7, 9, 0, 8, 94, 0, 8, 30, 0, 9, 156, 84, 7, 99, 0, 8, 126, 0, 8, 62, 0, 9, 220, 82, 7, 27, 0, 8, 110, 0, 8, 46, 0, 9, 188, 0,
			8, 14, 0, 8, 142, 0, 8, 78, 0, 9, 252, 96, 7, 256, 0, 8, 81, 0, 8, 17, 85, 8, 131, 82, 7, 31, 0, 8, 113, 0, 8, 49, 0, 9, 194, 80, 7, 10, 0, 8, 97,
			0, 8, 33, 0, 9, 162, 0, 8, 1, 0, 8, 129, 0, 8, 65, 0, 9, 226, 80, 7, 6, 0, 8, 89, 0, 8, 25, 0, 9, 146, 83, 7, 59, 0, 8, 121, 0, 8, 57, 0, 9, 210,
			81, 7, 17, 0, 8, 105, 0, 8, 41, 0, 9, 178, 0, 8, 9, 0, 8, 137, 0, 8, 73, 0, 9, 242, 80, 7, 4, 0, 8, 85, 0, 8, 21, 80, 8, 258, 83, 7, 43, 0, 8, 117,
			0, 8, 53, 0, 9, 202, 81, 7, 13, 0, 8, 101, 0, 8, 37, 0, 9, 170, 0, 8, 5, 0, 8, 133, 0, 8, 69, 0, 9, 234, 80, 7, 8, 0, 8, 93, 0, 8, 29, 0, 9, 154,
			84, 7, 83, 0, 8, 125, 0, 8, 61, 0, 9, 218, 82, 7, 23, 0, 8, 109, 0, 8, 45, 0, 9, 186, 0, 8, 13, 0, 8, 141, 0, 8, 77, 0, 9, 250, 80, 7, 3, 0, 8, 83,
			0, 8, 19, 85, 8, 195, 83, 7, 35, 0, 8, 115, 0, 8, 51, 0, 9, 198, 81, 7, 11, 0, 8, 99, 0, 8, 35, 0, 9, 166, 0, 8, 3, 0, 8, 131, 0, 8, 67, 0, 9, 230,
			80, 7, 7, 0, 8, 91, 0, 8, 27, 0, 9, 150, 84, 7, 67, 0, 8, 123, 0, 8, 59, 0, 9, 214, 82, 7, 19, 0, 8, 107, 0, 8, 43, 0, 9, 182, 0, 8, 11, 0, 8, 139,
			0, 8, 75, 0, 9, 246, 80, 7, 5, 0, 8, 87, 0, 8, 23, 192, 8, 0, 83, 7, 51, 0, 8, 119, 0, 8, 55, 0, 9, 206, 81, 7, 15, 0, 8, 103, 0, 8, 39, 0, 9, 174,
			0, 8, 7, 0, 8, 135, 0, 8, 71, 0, 9, 238, 80, 7, 9, 0, 8, 95, 0, 8, 31, 0, 9, 158, 84, 7, 99, 0, 8, 127, 0, 8, 63, 0, 9, 222, 82, 7, 27, 0, 8, 111,
			0, 8, 47, 0, 9, 190, 0, 8, 15, 0, 8, 143, 0, 8, 79, 0, 9, 254, 96, 7, 256, 0, 8, 80, 0, 8, 16, 84, 8, 115, 82, 7, 31, 0, 8, 112, 0, 8, 48, 0, 9,
			193, 80, 7, 10, 0, 8, 96, 0, 8, 32, 0, 9, 161, 0, 8, 0, 0, 8, 128, 0, 8, 64, 0, 9, 225, 80, 7, 6, 0, 8, 88, 0, 8, 24, 0, 9, 145, 83, 7, 59, 0, 8,
			120, 0, 8, 56, 0, 9, 209, 81, 7, 17, 0, 8, 104, 0, 8, 40, 0, 9, 177, 0, 8, 8, 0, 8, 136, 0, 8, 72, 0, 9, 241, 80, 7, 4, 0, 8, 84, 0, 8, 20, 85, 8,
			227, 83, 7, 43, 0, 8, 116, 0, 8, 52, 0, 9, 201, 81, 7, 13, 0, 8, 100, 0, 8, 36, 0, 9, 169, 0, 8, 4, 0, 8, 132, 0, 8, 68, 0, 9, 233, 80, 7, 8, 0, 8,
			92, 0, 8, 28, 0, 9, 153, 84, 7, 83, 0, 8, 124, 0, 8, 60, 0, 9, 217, 82, 7, 23, 0, 8, 108, 0, 8, 44, 0, 9, 185, 0, 8, 12, 0, 8, 140, 0, 8, 76, 0, 9,
			249, 80, 7, 3, 0, 8, 82, 0, 8, 18, 85, 8, 163, 83, 7, 35, 0, 8, 114, 0, 8, 50, 0, 9, 197, 81, 7, 11, 0, 8, 98, 0, 8, 34, 0, 9, 165, 0, 8, 2, 0, 8,
			130, 0, 8, 66, 0, 9, 229, 80, 7, 7, 0, 8, 90, 0, 8, 26, 0, 9, 149, 84, 7, 67, 0, 8, 122, 0, 8, 58, 0, 9, 213, 82, 7, 19, 0, 8, 106, 0, 8, 42, 0, 9,
			181, 0, 8, 10, 0, 8, 138, 0, 8, 74, 0, 9, 245, 80, 7, 5, 0, 8, 86, 0, 8, 22, 192, 8, 0, 83, 7, 51, 0, 8, 118, 0, 8, 54, 0, 9, 205, 81, 7, 15, 0, 8,
			102, 0, 8, 38, 0, 9, 173, 0, 8, 6, 0, 8, 134, 0, 8, 70, 0, 9, 237, 80, 7, 9, 0, 8, 94, 0, 8, 30, 0, 9, 157, 84, 7, 99, 0, 8, 126, 0, 8, 62, 0, 9,
			221, 82, 7, 27, 0, 8, 110, 0, 8, 46, 0, 9, 189, 0, 8, 14, 0, 8, 142, 0, 8, 78, 0, 9, 253, 96, 7, 256, 0, 8, 81, 0, 8, 17, 85, 8, 131, 82, 7, 31, 0,
			8, 113, 0, 8, 49, 0, 9, 195, 80, 7, 10, 0, 8, 97, 0, 8, 33, 0, 9, 163, 0, 8, 1, 0, 8, 129, 0, 8, 65, 0, 9, 227, 80, 7, 6, 0, 8, 89, 0, 8, 25, 0, 9,
			147, 83, 7, 59, 0, 8, 121, 0, 8, 57, 0, 9, 211, 81, 7, 17, 0, 8, 105, 0, 8, 41, 0, 9, 179, 0, 8, 9, 0, 8, 137, 0, 8, 73, 0, 9, 243, 80, 7, 4, 0, 8,
			85, 0, 8, 21, 80, 8, 258, 83, 7, 43, 0, 8, 117, 0, 8, 53, 0, 9, 203, 81, 7, 13, 0, 8, 101, 0, 8, 37, 0, 9, 171, 0, 8, 5, 0, 8, 133, 0, 8, 69, 0, 9,
			235, 80, 7, 8, 0, 8, 93, 0, 8, 29, 0, 9, 155, 84, 7, 83, 0, 8, 125, 0, 8, 61, 0, 9, 219, 82, 7, 23, 0, 8, 109, 0, 8, 45, 0, 9, 187, 0, 8, 13, 0, 8,
			141, 0, 8, 77, 0, 9, 251, 80, 7, 3, 0, 8, 83, 0, 8, 19, 85, 8, 195, 83, 7, 35, 0, 8, 115, 0, 8, 51, 0, 9, 199, 81, 7, 11, 0, 8, 99, 0, 8, 35, 0, 9,
			167, 0, 8, 3, 0, 8, 131, 0, 8, 67, 0, 9, 231, 80, 7, 7, 0, 8, 91, 0, 8, 27, 0, 9, 151, 84, 7, 67, 0, 8, 123, 0, 8, 59, 0, 9, 215, 82, 7, 19, 0, 8,
			107, 0, 8, 43, 0, 9, 183, 0, 8, 11, 0, 8, 139, 0, 8, 75, 0, 9, 247, 80, 7, 5, 0, 8, 87, 0, 8, 23, 192, 8, 0, 83, 7, 51, 0, 8, 119, 0, 8, 55, 0, 9,
			207, 81, 7, 15, 0, 8, 103, 0, 8, 39, 0, 9, 175, 0, 8, 7, 0, 8, 135, 0, 8, 71, 0, 9, 239, 80, 7, 9, 0, 8, 95, 0, 8, 31, 0, 9, 159, 84, 7, 99, 0, 8,
			127, 0, 8, 63, 0, 9, 223, 82, 7, 27, 0, 8, 111, 0, 8, 47, 0, 9, 191, 0, 8, 15, 0, 8, 143, 0, 8, 79, 0, 9, 255 ];
	var fixed_td = [ 80, 5, 1, 87, 5, 257, 83, 5, 17, 91, 5, 4097, 81, 5, 5, 89, 5, 1025, 85, 5, 65, 93, 5, 16385, 80, 5, 3, 88, 5, 513, 84, 5, 33, 92, 5,
			8193, 82, 5, 9, 90, 5, 2049, 86, 5, 129, 192, 5, 24577, 80, 5, 2, 87, 5, 385, 83, 5, 25, 91, 5, 6145, 81, 5, 7, 89, 5, 1537, 85, 5, 97, 93, 5,
			24577, 80, 5, 4, 88, 5, 769, 84, 5, 49, 92, 5, 12289, 82, 5, 13, 90, 5, 3073, 86, 5, 193, 192, 5, 24577 ];

	// Tables for deflate from PKZIP's appnote.txt.
	var cplens = [ // Copy lengths for literal codes 257..285
	3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0 ];

	// see note #13 above about 258
	var cplext = [ // Extra bits for literal codes 257..285
	0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0, 112, 112 // 112==invalid
	];

	var cpdist = [ // Copy offsets for distance codes 0..29
	1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, 8193, 12289, 16385, 24577 ];

	var cpdext = [ // Extra bits for distance codes
	0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13 ];

	// If BMAX needs to be larger than 16, then h and x[] should be uLong.
	var BMAX = 15; // maximum bit length of any code

	function InfTree() {
		var that = this;

		var hn; // hufts used in space
		var v; // work area for huft_build
		var c; // bit length count table
		var r; // table entry for structure assignment
		var u; // table stack
		var x; // bit offsets, then code stack

		function huft_build(b, // code lengths in bits (all assumed <=
		// BMAX)
		bindex, n, // number of codes (assumed <= 288)
		s, // number of simple-valued codes (0..s-1)
		d, // list of base values for non-simple codes
		e, // list of extra bits for non-simple codes
		t, // result: starting table
		m, // maximum lookup bits, returns actual
		hp,// space for trees
		hn,// hufts used in space
		v // working area: values in order of bit length
		) {
			// Given a list of code lengths and a maximum table size, make a set of
			// tables to decode that set of codes. Return Z_OK on success,
			// Z_BUF_ERROR
			// if the given code set is incomplete (the tables are still built in
			// this
			// case), Z_DATA_ERROR if the input is invalid (an over-subscribed set
			// of
			// lengths), or Z_MEM_ERROR if not enough memory.

			var a; // counter for codes of length k
			var f; // i repeats in table every f entries
			var g; // maximum code length
			var h; // table level
			var i; // counter, current code
			var j; // counter
			var k; // number of bits in current code
			var l; // bits per table (returned in m)
			var mask; // (1 << w) - 1, to avoid cc -O bug on HP
			var p; // pointer into c[], b[], or v[]
			var q; // points to current table
			var w; // bits before this table == (l * h)
			var xp; // pointer into x
			var y; // number of dummy codes added
			var z; // number of entries in current table

			// Generate counts for each bit length

			p = 0;
			i = n;
			do {
				c[b[bindex + p]]++;
				p++;
				i--; // assume all entries <= BMAX
			} while (i !== 0);

			if (c[0] == n) { // null input--all zero length codes
				t[0] = -1;
				m[0] = 0;
				return Z_OK;
			}

			// Find minimum and maximum length, bound *m by those
			l = m[0];
			for (j = 1; j <= BMAX; j++)
				if (c[j] !== 0)
					break;
			k = j; // minimum code length
			if (l < j) {
				l = j;
			}
			for (i = BMAX; i !== 0; i--) {
				if (c[i] !== 0)
					break;
			}
			g = i; // maximum code length
			if (l > i) {
				l = i;
			}
			m[0] = l;

			// Adjust last length count to fill out codes, if needed
			for (y = 1 << j; j < i; j++, y <<= 1) {
				if ((y -= c[j]) < 0) {
					return Z_DATA_ERROR;
				}
			}
			if ((y -= c[i]) < 0) {
				return Z_DATA_ERROR;
			}
			c[i] += y;

			// Generate starting offsets into the value table for each length
			x[1] = j = 0;
			p = 1;
			xp = 2;
			while (--i !== 0) { // note that i == g from above
				x[xp] = (j += c[p]);
				xp++;
				p++;
			}

			// Make a table of values in order of bit lengths
			i = 0;
			p = 0;
			do {
				if ((j = b[bindex + p]) !== 0) {
					v[x[j]++] = i;
				}
				p++;
			} while (++i < n);
			n = x[g]; // set n to length of v

			// Generate the Huffman codes and for each, make the table entries
			x[0] = i = 0; // first Huffman code is zero
			p = 0; // grab values in bit order
			h = -1; // no tables yet--level -1
			w = -l; // bits decoded == (l * h)
			u[0] = 0; // just to keep compilers happy
			q = 0; // ditto
			z = 0; // ditto

			// go through the bit lengths (k already is bits in shortest code)
			for (; k <= g; k++) {
				a = c[k];
				while (a-- !== 0) {
					// here i is the Huffman code of length k bits for value *p
					// make tables up to required level
					while (k > w + l) {
						h++;
						w += l; // previous table always l bits
						// compute minimum size table less than or equal to l bits
						z = g - w;
						z = (z > l) ? l : z; // table size upper limit
						if ((f = 1 << (j = k - w)) > a + 1) { // try a k-w bit table
							// too few codes for
							// k-w bit table
							f -= a + 1; // deduct codes from patterns left
							xp = k;
							if (j < z) {
								while (++j < z) { // try smaller tables up to z bits
									if ((f <<= 1) <= c[++xp])
										break; // enough codes to use up j bits
									f -= c[xp]; // else deduct codes from patterns
								}
							}
						}
						z = 1 << j; // table entries for j-bit table

						// allocate new table
						if (hn[0] + z > MANY) { // (note: doesn't matter for fixed)
							return Z_DATA_ERROR; // overflow of MANY
						}
						u[h] = q = /* hp+ */hn[0]; // DEBUG
						hn[0] += z;

						// connect to last table, if there is one
						if (h !== 0) {
							x[h] = i; // save pattern for backing up
							r[0] = /* (byte) */j; // bits in this table
							r[1] = /* (byte) */l; // bits to dump before this table
							j = i >>> (w - l);
							r[2] = /* (int) */(q - u[h - 1] - j); // offset to this table
							hp.set(r, (u[h - 1] + j) * 3);
							// to
							// last
							// table
						} else {
							t[0] = q; // first table is returned result
						}
					}

					// set up table entry in r
					r[1] = /* (byte) */(k - w);
					if (p >= n) {
						r[0] = 128 + 64; // out of values--invalid code
					} else if (v[p] < s) {
						r[0] = /* (byte) */(v[p] < 256 ? 0 : 32 + 64); // 256 is
						// end-of-block
						r[2] = v[p++]; // simple code is just the value
					} else {
						r[0] = /* (byte) */(e[v[p] - s] + 16 + 64); // non-simple--look
						// up in lists
						r[2] = d[v[p++] - s];
					}

					// fill code-like entries with r
					f = 1 << (k - w);
					for (j = i >>> w; j < z; j += f) {
						hp.set(r, (q + j) * 3);
					}

					// backwards increment the k-bit code i
					for (j = 1 << (k - 1); (i & j) !== 0; j >>>= 1) {
						i ^= j;
					}
					i ^= j;

					// backup over finished tables
					mask = (1 << w) - 1; // needed on HP, cc -O bug
					while ((i & mask) != x[h]) {
						h--; // don't need to update q
						w -= l;
						mask = (1 << w) - 1;
					}
				}
			}
			// Return Z_BUF_ERROR if we were given an incomplete table
			return y !== 0 && g != 1 ? Z_BUF_ERROR : Z_OK;
		}

		function initWorkArea(vsize) {
			var i;
			if (!hn) {
				hn = []; // []; //new Array(1);
				v = []; // new Array(vsize);
				c = new Int32Array(BMAX + 1); // new Array(BMAX + 1);
				r = []; // new Array(3);
				u = new Int32Array(BMAX); // new Array(BMAX);
				x = new Int32Array(BMAX + 1); // new Array(BMAX + 1);
			}
			if (v.length < vsize) {
				v = []; // new Array(vsize);
			}
			for (i = 0; i < vsize; i++) {
				v[i] = 0;
			}
			for (i = 0; i < BMAX + 1; i++) {
				c[i] = 0;
			}
			for (i = 0; i < 3; i++) {
				r[i] = 0;
			}
			// for(int i=0; i<BMAX; i++){u[i]=0;}
			u.set(c.subarray(0, BMAX), 0);
			// for(int i=0; i<BMAX+1; i++){x[i]=0;}
			x.set(c.subarray(0, BMAX + 1), 0);
		}

		that.inflate_trees_bits = function(c, // 19 code lengths
		bb, // bits tree desired/actual depth
		tb, // bits tree result
		hp, // space for trees
		z // for messages
		) {
			var result;
			initWorkArea(19);
			hn[0] = 0;
			result = huft_build(c, 0, 19, 19, null, null, tb, bb, hp, hn, v);

			if (result == Z_DATA_ERROR) {
				z.msg = "oversubscribed dynamic bit lengths tree";
			} else if (result == Z_BUF_ERROR || bb[0] === 0) {
				z.msg = "incomplete dynamic bit lengths tree";
				result = Z_DATA_ERROR;
			}
			return result;
		};

		that.inflate_trees_dynamic = function(nl, // number of literal/length codes
		nd, // number of distance codes
		c, // that many (total) code lengths
		bl, // literal desired/actual bit depth
		bd, // distance desired/actual bit depth
		tl, // literal/length tree result
		td, // distance tree result
		hp, // space for trees
		z // for messages
		) {
			var result;

			// build literal/length tree
			initWorkArea(288);
			hn[0] = 0;
			result = huft_build(c, 0, nl, 257, cplens, cplext, tl, bl, hp, hn, v);
			if (result != Z_OK || bl[0] === 0) {
				if (result == Z_DATA_ERROR) {
					z.msg = "oversubscribed literal/length tree";
				} else if (result != Z_MEM_ERROR) {
					z.msg = "incomplete literal/length tree";
					result = Z_DATA_ERROR;
				}
				return result;
			}

			// build distance tree
			initWorkArea(288);
			result = huft_build(c, nl, nd, 0, cpdist, cpdext, td, bd, hp, hn, v);

			if (result != Z_OK || (bd[0] === 0 && nl > 257)) {
				if (result == Z_DATA_ERROR) {
					z.msg = "oversubscribed distance tree";
				} else if (result == Z_BUF_ERROR) {
					z.msg = "incomplete distance tree";
					result = Z_DATA_ERROR;
				} else if (result != Z_MEM_ERROR) {
					z.msg = "empty distance tree with lengths";
					result = Z_DATA_ERROR;
				}
				return result;
			}

			return Z_OK;
		};

	}

	InfTree.inflate_trees_fixed = function(bl, // literal desired/actual bit depth
	bd, // distance desired/actual bit depth
	tl,// literal/length tree result
	td// distance tree result
	) {
		bl[0] = fixed_bl;
		bd[0] = fixed_bd;
		tl[0] = fixed_tl;
		td[0] = fixed_td;
		return Z_OK;
	};

	// InfCodes

	// waiting for "i:"=input,
	// "o:"=output,
	// "x:"=nothing
	var START = 0; // x: set up for LEN
	var LEN = 1; // i: get length/literal/eob next
	var LENEXT = 2; // i: getting length extra (have base)
	var DIST = 3; // i: get distance next
	var DISTEXT = 4;// i: getting distance extra
	var COPY = 5; // o: copying bytes in window, waiting
	// for space
	var LIT = 6; // o: got literal, waiting for output
	// space
	var WASH = 7; // o: got eob, possibly still output
	// waiting
	var END = 8; // x: got eob and all data flushed
	var BADCODE = 9;// x: got error

	function InfCodes() {
		var that = this;

		var mode; // current inflate_codes mode

		// mode dependent information
		var len = 0;

		var tree; // pointer into tree
		var tree_index = 0;
		var need = 0; // bits needed

		var lit = 0;

		// if EXT or COPY, where and how much
		var get = 0; // bits to get for extra
		var dist = 0; // distance back to copy from

		var lbits = 0; // ltree bits decoded per branch
		var dbits = 0; // dtree bits decoder per branch
		var ltree; // literal/length/eob tree
		var ltree_index = 0; // literal/length/eob tree
		var dtree; // distance tree
		var dtree_index = 0; // distance tree

		// Called with number of bytes left to write in window at least 258
		// (the maximum string length) and number of input bytes available
		// at least ten. The ten bytes are six bytes for the longest length/
		// distance pair plus four bytes for overloading the bit buffer.

		function inflate_fast(bl, bd, tl, tl_index, td, td_index, s, z) {
			var t; // temporary pointer
			var tp; // temporary pointer
			var tp_index; // temporary pointer
			var e; // extra bits or operation
			var b; // bit buffer
			var k; // bits in bit buffer
			var p; // input data pointer
			var n; // bytes available there
			var q; // output window write pointer
			var m; // bytes to end of window or read pointer
			var ml; // mask for literal/length tree
			var md; // mask for distance tree
			var c; // bytes to copy
			var d; // distance back to copy from
			var r; // copy source pointer

			var tp_index_t_3; // (tp_index+t)*3

			// load input, output, bit values
			p = z.next_in_index;
			n = z.avail_in;
			b = s.bitb;
			k = s.bitk;
			q = s.write;
			m = q < s.read ? s.read - q - 1 : s.end - q;

			// initialize masks
			ml = inflate_mask[bl];
			md = inflate_mask[bd];

			// do until not enough input or output space for fast loop
			do { // assume called with m >= 258 && n >= 10
				// get literal/length code
				while (k < (20)) { // max bits for literal/length code
					n--;
					b |= (z.read_byte(p++) & 0xff) << k;
					k += 8;
				}

				t = b & ml;
				tp = tl;
				tp_index = tl_index;
				tp_index_t_3 = (tp_index + t) * 3;
				if ((e = tp[tp_index_t_3]) === 0) {
					b >>= (tp[tp_index_t_3 + 1]);
					k -= (tp[tp_index_t_3 + 1]);

					s.window[q++] = /* (byte) */tp[tp_index_t_3 + 2];
					m--;
					continue;
				}
				do {

					b >>= (tp[tp_index_t_3 + 1]);
					k -= (tp[tp_index_t_3 + 1]);

					if ((e & 16) !== 0) {
						e &= 15;
						c = tp[tp_index_t_3 + 2] + (/* (int) */b & inflate_mask[e]);

						b >>= e;
						k -= e;

						// decode distance base of block to copy
						while (k < (15)) { // max bits for distance code
							n--;
							b |= (z.read_byte(p++) & 0xff) << k;
							k += 8;
						}

						t = b & md;
						tp = td;
						tp_index = td_index;
						tp_index_t_3 = (tp_index + t) * 3;
						e = tp[tp_index_t_3];

						do {

							b >>= (tp[tp_index_t_3 + 1]);
							k -= (tp[tp_index_t_3 + 1]);

							if ((e & 16) !== 0) {
								// get extra bits to add to distance base
								e &= 15;
								while (k < (e)) { // get extra bits (up to 13)
									n--;
									b |= (z.read_byte(p++) & 0xff) << k;
									k += 8;
								}

								d = tp[tp_index_t_3 + 2] + (b & inflate_mask[e]);

								b >>= (e);
								k -= (e);

								// do the copy
								m -= c;
								if (q >= d) { // offset before dest
									// just copy
									r = q - d;
									if (q - r > 0 && 2 > (q - r)) {
										s.window[q++] = s.window[r++]; // minimum
										// count is
										// three,
										s.window[q++] = s.window[r++]; // so unroll
										// loop a
										// little
										c -= 2;
									} else {
										s.window.set(s.window.subarray(r, r + 2), q);
										q += 2;
										r += 2;
										c -= 2;
									}
								} else { // else offset after destination
									r = q - d;
									do {
										r += s.end; // force pointer in window
									} while (r < 0); // covers invalid distances
									e = s.end - r;
									if (c > e) { // if source crosses,
										c -= e; // wrapped copy
										if (q - r > 0 && e > (q - r)) {
											do {
												s.window[q++] = s.window[r++];
											} while (--e !== 0);
										} else {
											s.window.set(s.window.subarray(r, r + e), q);
											q += e;
											r += e;
											e = 0;
										}
										r = 0; // copy rest from start of window
									}

								}

								// copy all or what's left
								if (q - r > 0 && c > (q - r)) {
									do {
										s.window[q++] = s.window[r++];
									} while (--c !== 0);
								} else {
									s.window.set(s.window.subarray(r, r + c), q);
									q += c;
									r += c;
									c = 0;
								}
								break;
							} else if ((e & 64) === 0) {
								t += tp[tp_index_t_3 + 2];
								t += (b & inflate_mask[e]);
								tp_index_t_3 = (tp_index + t) * 3;
								e = tp[tp_index_t_3];
							} else {
								z.msg = "invalid distance code";

								c = z.avail_in - n;
								c = (k >> 3) < c ? k >> 3 : c;
								n += c;
								p -= c;
								k -= c << 3;

								s.bitb = b;
								s.bitk = k;
								z.avail_in = n;
								z.total_in += p - z.next_in_index;
								z.next_in_index = p;
								s.write = q;

								return Z_DATA_ERROR;
							}
						} while (true);
						break;
					}

					if ((e & 64) === 0) {
						t += tp[tp_index_t_3 + 2];
						t += (b & inflate_mask[e]);
						tp_index_t_3 = (tp_index + t) * 3;
						if ((e = tp[tp_index_t_3]) === 0) {

							b >>= (tp[tp_index_t_3 + 1]);
							k -= (tp[tp_index_t_3 + 1]);

							s.window[q++] = /* (byte) */tp[tp_index_t_3 + 2];
							m--;
							break;
						}
					} else if ((e & 32) !== 0) {

						c = z.avail_in - n;
						c = (k >> 3) < c ? k >> 3 : c;
						n += c;
						p -= c;
						k -= c << 3;

						s.bitb = b;
						s.bitk = k;
						z.avail_in = n;
						z.total_in += p - z.next_in_index;
						z.next_in_index = p;
						s.write = q;

						return Z_STREAM_END;
					} else {
						z.msg = "invalid literal/length code";

						c = z.avail_in - n;
						c = (k >> 3) < c ? k >> 3 : c;
						n += c;
						p -= c;
						k -= c << 3;

						s.bitb = b;
						s.bitk = k;
						z.avail_in = n;
						z.total_in += p - z.next_in_index;
						z.next_in_index = p;
						s.write = q;

						return Z_DATA_ERROR;
					}
				} while (true);
			} while (m >= 258 && n >= 10);

			// not enough input or output--restore pointers and return
			c = z.avail_in - n;
			c = (k >> 3) < c ? k >> 3 : c;
			n += c;
			p -= c;
			k -= c << 3;

			s.bitb = b;
			s.bitk = k;
			z.avail_in = n;
			z.total_in += p - z.next_in_index;
			z.next_in_index = p;
			s.write = q;

			return Z_OK;
		}

		that.init = function(bl, bd, tl, tl_index, td, td_index) {
			mode = START;
			lbits = /* (byte) */bl;
			dbits = /* (byte) */bd;
			ltree = tl;
			ltree_index = tl_index;
			dtree = td;
			dtree_index = td_index;
			tree = null;
		};

		that.proc = function(s, z, r) {
			var j; // temporary storage
			var tindex; // temporary pointer
			var e; // extra bits or operation
			var b = 0; // bit buffer
			var k = 0; // bits in bit buffer
			var p = 0; // input data pointer
			var n; // bytes available there
			var q; // output window write pointer
			var m; // bytes to end of window or read pointer
			var f; // pointer to copy strings from

			// copy input/output information to locals (UPDATE macro restores)
			p = z.next_in_index;
			n = z.avail_in;
			b = s.bitb;
			k = s.bitk;
			q = s.write;
			m = q < s.read ? s.read - q - 1 : s.end - q;

			// process input and output based on current state
			while (true) {
				switch (mode) {
				// waiting for "i:"=input, "o:"=output, "x:"=nothing
				case START: // x: set up for LEN
					if (m >= 258 && n >= 10) {

						s.bitb = b;
						s.bitk = k;
						z.avail_in = n;
						z.total_in += p - z.next_in_index;
						z.next_in_index = p;
						s.write = q;
						r = inflate_fast(lbits, dbits, ltree, ltree_index, dtree, dtree_index, s, z);

						p = z.next_in_index;
						n = z.avail_in;
						b = s.bitb;
						k = s.bitk;
						q = s.write;
						m = q < s.read ? s.read - q - 1 : s.end - q;

						if (r != Z_OK) {
							mode = r == Z_STREAM_END ? WASH : BADCODE;
							break;
						}
					}
					need = lbits;
					tree = ltree;
					tree_index = ltree_index;

					mode = LEN;
				case LEN: // i: get length/literal/eob next
					j = need;

					while (k < (j)) {
						if (n !== 0)
							r = Z_OK;
						else {

							s.bitb = b;
							s.bitk = k;
							z.avail_in = n;
							z.total_in += p - z.next_in_index;
							z.next_in_index = p;
							s.write = q;
							return s.inflate_flush(z, r);
						}
						n--;
						b |= (z.read_byte(p++) & 0xff) << k;
						k += 8;
					}

					tindex = (tree_index + (b & inflate_mask[j])) * 3;

					b >>>= (tree[tindex + 1]);
					k -= (tree[tindex + 1]);

					e = tree[tindex];

					if (e === 0) { // literal
						lit = tree[tindex + 2];
						mode = LIT;
						break;
					}
					if ((e & 16) !== 0) { // length
						get = e & 15;
						len = tree[tindex + 2];
						mode = LENEXT;
						break;
					}
					if ((e & 64) === 0) { // next table
						need = e;
						tree_index = tindex / 3 + tree[tindex + 2];
						break;
					}
					if ((e & 32) !== 0) { // end of block
						mode = WASH;
						break;
					}
					mode = BADCODE; // invalid code
					z.msg = "invalid literal/length code";
					r = Z_DATA_ERROR;

					s.bitb = b;
					s.bitk = k;
					z.avail_in = n;
					z.total_in += p - z.next_in_index;
					z.next_in_index = p;
					s.write = q;
					return s.inflate_flush(z, r);

				case LENEXT: // i: getting length extra (have base)
					j = get;

					while (k < (j)) {
						if (n !== 0)
							r = Z_OK;
						else {

							s.bitb = b;
							s.bitk = k;
							z.avail_in = n;
							z.total_in += p - z.next_in_index;
							z.next_in_index = p;
							s.write = q;
							return s.inflate_flush(z, r);
						}
						n--;
						b |= (z.read_byte(p++) & 0xff) << k;
						k += 8;
					}

					len += (b & inflate_mask[j]);

					b >>= j;
					k -= j;

					need = dbits;
					tree = dtree;
					tree_index = dtree_index;
					mode = DIST;
				case DIST: // i: get distance next
					j = need;

					while (k < (j)) {
						if (n !== 0)
							r = Z_OK;
						else {

							s.bitb = b;
							s.bitk = k;
							z.avail_in = n;
							z.total_in += p - z.next_in_index;
							z.next_in_index = p;
							s.write = q;
							return s.inflate_flush(z, r);
						}
						n--;
						b |= (z.read_byte(p++) & 0xff) << k;
						k += 8;
					}

					tindex = (tree_index + (b & inflate_mask[j])) * 3;

					b >>= tree[tindex + 1];
					k -= tree[tindex + 1];

					e = (tree[tindex]);
					if ((e & 16) !== 0) { // distance
						get = e & 15;
						dist = tree[tindex + 2];
						mode = DISTEXT;
						break;
					}
					if ((e & 64) === 0) { // next table
						need = e;
						tree_index = tindex / 3 + tree[tindex + 2];
						break;
					}
					mode = BADCODE; // invalid code
					z.msg = "invalid distance code";
					r = Z_DATA_ERROR;

					s.bitb = b;
					s.bitk = k;
					z.avail_in = n;
					z.total_in += p - z.next_in_index;
					z.next_in_index = p;
					s.write = q;
					return s.inflate_flush(z, r);

				case DISTEXT: // i: getting distance extra
					j = get;

					while (k < (j)) {
						if (n !== 0)
							r = Z_OK;
						else {

							s.bitb = b;
							s.bitk = k;
							z.avail_in = n;
							z.total_in += p - z.next_in_index;
							z.next_in_index = p;
							s.write = q;
							return s.inflate_flush(z, r);
						}
						n--;
						b |= (z.read_byte(p++) & 0xff) << k;
						k += 8;
					}

					dist += (b & inflate_mask[j]);

					b >>= j;
					k -= j;

					mode = COPY;
				case COPY: // o: copying bytes in window, waiting for space
					f = q - dist;
					while (f < 0) { // modulo window size-"while" instead
						f += s.end; // of "if" handles invalid distances
					}
					while (len !== 0) {

						if (m === 0) {
							if (q == s.end && s.read !== 0) {
								q = 0;
								m = q < s.read ? s.read - q - 1 : s.end - q;
							}
							if (m === 0) {
								s.write = q;
								r = s.inflate_flush(z, r);
								q = s.write;
								m = q < s.read ? s.read - q - 1 : s.end - q;

								if (q == s.end && s.read !== 0) {
									q = 0;
									m = q < s.read ? s.read - q - 1 : s.end - q;
								}

								if (m === 0) {
									s.bitb = b;
									s.bitk = k;
									z.avail_in = n;
									z.total_in += p - z.next_in_index;
									z.next_in_index = p;
									s.write = q;
									return s.inflate_flush(z, r);
								}
							}
						}

						s.window[q++] = s.window[f++];
						m--;

						if (f == s.end)
							f = 0;
						len--;
					}
					mode = START;
					break;
				case LIT: // o: got literal, waiting for output space
					if (m === 0) {
						if (q == s.end && s.read !== 0) {
							q = 0;
							m = q < s.read ? s.read - q - 1 : s.end - q;
						}
						if (m === 0) {
							s.write = q;
							r = s.inflate_flush(z, r);
							q = s.write;
							m = q < s.read ? s.read - q - 1 : s.end - q;

							if (q == s.end && s.read !== 0) {
								q = 0;
								m = q < s.read ? s.read - q - 1 : s.end - q;
							}
							if (m === 0) {
								s.bitb = b;
								s.bitk = k;
								z.avail_in = n;
								z.total_in += p - z.next_in_index;
								z.next_in_index = p;
								s.write = q;
								return s.inflate_flush(z, r);
							}
						}
					}
					r = Z_OK;

					s.window[q++] = /* (byte) */lit;
					m--;

					mode = START;
					break;
				case WASH: // o: got eob, possibly more output
					if (k > 7) { // return unused byte, if any
						k -= 8;
						n++;
						p--; // can always return one
					}

					s.write = q;
					r = s.inflate_flush(z, r);
					q = s.write;
					m = q < s.read ? s.read - q - 1 : s.end - q;

					if (s.read != s.write) {
						s.bitb = b;
						s.bitk = k;
						z.avail_in = n;
						z.total_in += p - z.next_in_index;
						z.next_in_index = p;
						s.write = q;
						return s.inflate_flush(z, r);
					}
					mode = END;
				case END:
					r = Z_STREAM_END;
					s.bitb = b;
					s.bitk = k;
					z.avail_in = n;
					z.total_in += p - z.next_in_index;
					z.next_in_index = p;
					s.write = q;
					return s.inflate_flush(z, r);

				case BADCODE: // x: got error

					r = Z_DATA_ERROR;

					s.bitb = b;
					s.bitk = k;
					z.avail_in = n;
					z.total_in += p - z.next_in_index;
					z.next_in_index = p;
					s.write = q;
					return s.inflate_flush(z, r);

				default:
					r = Z_STREAM_ERROR;

					s.bitb = b;
					s.bitk = k;
					z.avail_in = n;
					z.total_in += p - z.next_in_index;
					z.next_in_index = p;
					s.write = q;
					return s.inflate_flush(z, r);
				}
			}
		};

		that.free = function() {
			// ZFREE(z, c);
		};

	}

	// InfBlocks

	// Table for deflate from PKZIP's appnote.txt.
	var border = [ // Order of the bit length code lengths
	16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15 ];

	var TYPE = 0; // get type bits (3, including end bit)
	var LENS = 1; // get lengths for stored
	var STORED = 2;// processing stored block
	var TABLE = 3; // get table lengths
	var BTREE = 4; // get bit lengths tree for a dynamic
	// block
	var DTREE = 5; // get length, distance trees for a
	// dynamic block
	var CODES = 6; // processing fixed or dynamic block
	var DRY = 7; // output remaining window bytes
	var DONELOCKS = 8; // finished last block, done
	var BADBLOCKS = 9; // ot a data error--stuck here

	function InfBlocks(z, w) {
		var that = this;

		var mode = TYPE; // current inflate_block mode

		var left = 0; // if STORED, bytes left to copy

		var table = 0; // table lengths (14 bits)
		var index = 0; // index into blens (or border)
		var blens; // bit lengths of codes
		var bb = [ 0 ]; // bit length tree depth
		var tb = [ 0 ]; // bit length decoding tree

		var codes = new InfCodes(); // if CODES, current state

		var last = 0; // true if this block is the last block

		var hufts = new Int32Array(MANY * 3); // single malloc for tree space
		var check = 0; // check on output
		var inftree = new InfTree();

		that.bitk = 0; // bits in bit buffer
		that.bitb = 0; // bit buffer
		that.window = new Uint8Array(w); // sliding window
		that.end = w; // one byte after sliding window
		that.read = 0; // window read pointer
		that.write = 0; // window write pointer

		that.reset = function(z, c) {
			if (c)
				c[0] = check;
			// if (mode == BTREE || mode == DTREE) {
			// }
			if (mode == CODES) {
				codes.free(z);
			}
			mode = TYPE;
			that.bitk = 0;
			that.bitb = 0;
			that.read = that.write = 0;
		};

		that.reset(z, null);

		// copy as much as possible from the sliding window to the output area
		that.inflate_flush = function(z, r) {
			var n;
			var p;
			var q;

			// local copies of source and destination pointers
			p = z.next_out_index;
			q = that.read;

			// compute number of bytes to copy as far as end of window
			n = /* (int) */((q <= that.write ? that.write : that.end) - q);
			if (n > z.avail_out)
				n = z.avail_out;
			if (n !== 0 && r == Z_BUF_ERROR)
				r = Z_OK;

			// update counters
			z.avail_out -= n;
			z.total_out += n;

			// copy as far as end of window
			z.next_out.set(that.window.subarray(q, q + n), p);
			p += n;
			q += n;

			// see if more to copy at beginning of window
			if (q == that.end) {
				// wrap pointers
				q = 0;
				if (that.write == that.end)
					that.write = 0;

				// compute bytes to copy
				n = that.write - q;
				if (n > z.avail_out)
					n = z.avail_out;
				if (n !== 0 && r == Z_BUF_ERROR)
					r = Z_OK;

				// update counters
				z.avail_out -= n;
				z.total_out += n;

				// copy
				z.next_out.set(that.window.subarray(q, q + n), p);
				p += n;
				q += n;
			}

			// update pointers
			z.next_out_index = p;
			that.read = q;

			// done
			return r;
		};

		that.proc = function(z, r) {
			var t; // temporary storage
			var b; // bit buffer
			var k; // bits in bit buffer
			var p; // input data pointer
			var n; // bytes available there
			var q; // output window write pointer
			var m; // bytes to end of window or read pointer

			var i;

			// copy input/output information to locals (UPDATE macro restores)
			// {
			p = z.next_in_index;
			n = z.avail_in;
			b = that.bitb;
			k = that.bitk;
			// }
			// {
			q = that.write;
			m = /* (int) */(q < that.read ? that.read - q - 1 : that.end - q);
			// }

			// process input based on current state
			// DEBUG dtree
			while (true) {
				switch (mode) {
				case TYPE:

					while (k < (3)) {
						if (n !== 0) {
							r = Z_OK;
						} else {
							that.bitb = b;
							that.bitk = k;
							z.avail_in = n;
							z.total_in += p - z.next_in_index;
							z.next_in_index = p;
							that.write = q;
							return that.inflate_flush(z, r);
						}
						n--;
						b |= (z.read_byte(p++) & 0xff) << k;
						k += 8;
					}
					t = /* (int) */(b & 7);
					last = t & 1;

					switch (t >>> 1) {
					case 0: // stored
						// {
						b >>>= (3);
						k -= (3);
						// }
						t = k & 7; // go to byte boundary

						// {
						b >>>= (t);
						k -= (t);
						// }
						mode = LENS; // get length of stored block
						break;
					case 1: // fixed
						// {
						var bl = []; // new Array(1);
						var bd = []; // new Array(1);
						var tl = [ [] ]; // new Array(1);
						var td = [ [] ]; // new Array(1);

						InfTree.inflate_trees_fixed(bl, bd, tl, td);
						codes.init(bl[0], bd[0], tl[0], 0, td[0], 0);
						// }

						// {
						b >>>= (3);
						k -= (3);
						// }

						mode = CODES;
						break;
					case 2: // dynamic

						// {
						b >>>= (3);
						k -= (3);
						// }

						mode = TABLE;
						break;
					case 3: // illegal

						// {
						b >>>= (3);
						k -= (3);
						// }
						mode = BADBLOCKS;
						z.msg = "invalid block type";
						r = Z_DATA_ERROR;

						that.bitb = b;
						that.bitk = k;
						z.avail_in = n;
						z.total_in += p - z.next_in_index;
						z.next_in_index = p;
						that.write = q;
						return that.inflate_flush(z, r);
					}
					break;
				case LENS:

					while (k < (32)) {
						if (n !== 0) {
							r = Z_OK;
						} else {
							that.bitb = b;
							that.bitk = k;
							z.avail_in = n;
							z.total_in += p - z.next_in_index;
							z.next_in_index = p;
							that.write = q;
							return that.inflate_flush(z, r);
						}
						n--;
						b |= (z.read_byte(p++) & 0xff) << k;
						k += 8;
					}

					if ((((~b) >>> 16) & 0xffff) != (b & 0xffff)) {
						mode = BADBLOCKS;
						z.msg = "invalid stored block lengths";
						r = Z_DATA_ERROR;

						that.bitb = b;
						that.bitk = k;
						z.avail_in = n;
						z.total_in += p - z.next_in_index;
						z.next_in_index = p;
						that.write = q;
						return that.inflate_flush(z, r);
					}
					left = (b & 0xffff);
					b = k = 0; // dump bits
					mode = left !== 0 ? STORED : (last !== 0 ? DRY : TYPE);
					break;
				case STORED:
					if (n === 0) {
						that.bitb = b;
						that.bitk = k;
						z.avail_in = n;
						z.total_in += p - z.next_in_index;
						z.next_in_index = p;
						that.write = q;
						return that.inflate_flush(z, r);
					}

					if (m === 0) {
						if (q == that.end && that.read !== 0) {
							q = 0;
							m = /* (int) */(q < that.read ? that.read - q - 1 : that.end - q);
						}
						if (m === 0) {
							that.write = q;
							r = that.inflate_flush(z, r);
							q = that.write;
							m = /* (int) */(q < that.read ? that.read - q - 1 : that.end - q);
							if (q == that.end && that.read !== 0) {
								q = 0;
								m = /* (int) */(q < that.read ? that.read - q - 1 : that.end - q);
							}
							if (m === 0) {
								that.bitb = b;
								that.bitk = k;
								z.avail_in = n;
								z.total_in += p - z.next_in_index;
								z.next_in_index = p;
								that.write = q;
								return that.inflate_flush(z, r);
							}
						}
					}
					r = Z_OK;

					t = left;
					if (t > n)
						t = n;
					if (t > m)
						t = m;
					that.window.set(z.read_buf(p, t), q);
					p += t;
					n -= t;
					q += t;
					m -= t;
					if ((left -= t) !== 0)
						break;
					mode = last !== 0 ? DRY : TYPE;
					break;
				case TABLE:

					while (k < (14)) {
						if (n !== 0) {
							r = Z_OK;
						} else {
							that.bitb = b;
							that.bitk = k;
							z.avail_in = n;
							z.total_in += p - z.next_in_index;
							z.next_in_index = p;
							that.write = q;
							return that.inflate_flush(z, r);
						}

						n--;
						b |= (z.read_byte(p++) & 0xff) << k;
						k += 8;
					}

					table = t = (b & 0x3fff);
					if ((t & 0x1f) > 29 || ((t >> 5) & 0x1f) > 29) {
						mode = BADBLOCKS;
						z.msg = "too many length or distance symbols";
						r = Z_DATA_ERROR;

						that.bitb = b;
						that.bitk = k;
						z.avail_in = n;
						z.total_in += p - z.next_in_index;
						z.next_in_index = p;
						that.write = q;
						return that.inflate_flush(z, r);
					}
					t = 258 + (t & 0x1f) + ((t >> 5) & 0x1f);
					if (!blens || blens.length < t) {
						blens = []; // new Array(t);
					} else {
						for (i = 0; i < t; i++) {
							blens[i] = 0;
						}
					}

					// {
					b >>>= (14);
					k -= (14);
					// }

					index = 0;
					mode = BTREE;
				case BTREE:
					while (index < 4 + (table >>> 10)) {
						while (k < (3)) {
							if (n !== 0) {
								r = Z_OK;
							} else {
								that.bitb = b;
								that.bitk = k;
								z.avail_in = n;
								z.total_in += p - z.next_in_index;
								z.next_in_index = p;
								that.write = q;
								return that.inflate_flush(z, r);
							}
							n--;
							b |= (z.read_byte(p++) & 0xff) << k;
							k += 8;
						}

						blens[border[index++]] = b & 7;

						// {
						b >>>= (3);
						k -= (3);
						// }
					}

					while (index < 19) {
						blens[border[index++]] = 0;
					}

					bb[0] = 7;
					t = inftree.inflate_trees_bits(blens, bb, tb, hufts, z);
					if (t != Z_OK) {
						r = t;
						if (r == Z_DATA_ERROR) {
							blens = null;
							mode = BADBLOCKS;
						}

						that.bitb = b;
						that.bitk = k;
						z.avail_in = n;
						z.total_in += p - z.next_in_index;
						z.next_in_index = p;
						that.write = q;
						return that.inflate_flush(z, r);
					}

					index = 0;
					mode = DTREE;
				case DTREE:
					while (true) {
						t = table;
						if (!(index < 258 + (t & 0x1f) + ((t >> 5) & 0x1f))) {
							break;
						}

						var j, c;

						t = bb[0];

						while (k < (t)) {
							if (n !== 0) {
								r = Z_OK;
							} else {
								that.bitb = b;
								that.bitk = k;
								z.avail_in = n;
								z.total_in += p - z.next_in_index;
								z.next_in_index = p;
								that.write = q;
								return that.inflate_flush(z, r);
							}
							n--;
							b |= (z.read_byte(p++) & 0xff) << k;
							k += 8;
						}

						// if (tb[0] == -1) {
						// System.err.println("null...");
						// }

						t = hufts[(tb[0] + (b & inflate_mask[t])) * 3 + 1];
						c = hufts[(tb[0] + (b & inflate_mask[t])) * 3 + 2];

						if (c < 16) {
							b >>>= (t);
							k -= (t);
							blens[index++] = c;
						} else { // c == 16..18
							i = c == 18 ? 7 : c - 14;
							j = c == 18 ? 11 : 3;

							while (k < (t + i)) {
								if (n !== 0) {
									r = Z_OK;
								} else {
									that.bitb = b;
									that.bitk = k;
									z.avail_in = n;
									z.total_in += p - z.next_in_index;
									z.next_in_index = p;
									that.write = q;
									return that.inflate_flush(z, r);
								}
								n--;
								b |= (z.read_byte(p++) & 0xff) << k;
								k += 8;
							}

							b >>>= (t);
							k -= (t);

							j += (b & inflate_mask[i]);

							b >>>= (i);
							k -= (i);

							i = index;
							t = table;
							if (i + j > 258 + (t & 0x1f) + ((t >> 5) & 0x1f) || (c == 16 && i < 1)) {
								blens = null;
								mode = BADBLOCKS;
								z.msg = "invalid bit length repeat";
								r = Z_DATA_ERROR;

								that.bitb = b;
								that.bitk = k;
								z.avail_in = n;
								z.total_in += p - z.next_in_index;
								z.next_in_index = p;
								that.write = q;
								return that.inflate_flush(z, r);
							}

							c = c == 16 ? blens[i - 1] : 0;
							do {
								blens[i++] = c;
							} while (--j !== 0);
							index = i;
						}
					}

					tb[0] = -1;
					// {
					var bl_ = []; // new Array(1);
					var bd_ = []; // new Array(1);
					var tl_ = []; // new Array(1);
					var td_ = []; // new Array(1);
					bl_[0] = 9; // must be <= 9 for lookahead assumptions
					bd_[0] = 6; // must be <= 9 for lookahead assumptions

					t = table;
					t = inftree.inflate_trees_dynamic(257 + (t & 0x1f), 1 + ((t >> 5) & 0x1f), blens, bl_, bd_, tl_, td_, hufts, z);

					if (t != Z_OK) {
						if (t == Z_DATA_ERROR) {
							blens = null;
							mode = BADBLOCKS;
						}
						r = t;

						that.bitb = b;
						that.bitk = k;
						z.avail_in = n;
						z.total_in += p - z.next_in_index;
						z.next_in_index = p;
						that.write = q;
						return that.inflate_flush(z, r);
					}
					codes.init(bl_[0], bd_[0], hufts, tl_[0], hufts, td_[0]);
					// }
					mode = CODES;
				case CODES:
					that.bitb = b;
					that.bitk = k;
					z.avail_in = n;
					z.total_in += p - z.next_in_index;
					z.next_in_index = p;
					that.write = q;

					if ((r = codes.proc(that, z, r)) != Z_STREAM_END) {
						return that.inflate_flush(z, r);
					}
					r = Z_OK;
					codes.free(z);

					p = z.next_in_index;
					n = z.avail_in;
					b = that.bitb;
					k = that.bitk;
					q = that.write;
					m = /* (int) */(q < that.read ? that.read - q - 1 : that.end - q);

					if (last === 0) {
						mode = TYPE;
						break;
					}
					mode = DRY;
				case DRY:
					that.write = q;
					r = that.inflate_flush(z, r);
					q = that.write;
					m = /* (int) */(q < that.read ? that.read - q - 1 : that.end - q);
					if (that.read != that.write) {
						that.bitb = b;
						that.bitk = k;
						z.avail_in = n;
						z.total_in += p - z.next_in_index;
						z.next_in_index = p;
						that.write = q;
						return that.inflate_flush(z, r);
					}
					mode = DONELOCKS;
				case DONELOCKS:
					r = Z_STREAM_END;

					that.bitb = b;
					that.bitk = k;
					z.avail_in = n;
					z.total_in += p - z.next_in_index;
					z.next_in_index = p;
					that.write = q;
					return that.inflate_flush(z, r);
				case BADBLOCKS:
					r = Z_DATA_ERROR;

					that.bitb = b;
					that.bitk = k;
					z.avail_in = n;
					z.total_in += p - z.next_in_index;
					z.next_in_index = p;
					that.write = q;
					return that.inflate_flush(z, r);

				default:
					r = Z_STREAM_ERROR;

					that.bitb = b;
					that.bitk = k;
					z.avail_in = n;
					z.total_in += p - z.next_in_index;
					z.next_in_index = p;
					that.write = q;
					return that.inflate_flush(z, r);
				}
			}
		};

		that.free = function(z) {
			that.reset(z, null);
			that.window = null;
			hufts = null;
			// ZFREE(z, s);
		};

		that.set_dictionary = function(d, start, n) {
			that.window.set(d.subarray(start, start + n), 0);
			that.read = that.write = n;
		};

		// Returns true if inflate is currently at the end of a block generated
		// by Z_SYNC_FLUSH or Z_FULL_FLUSH.
		that.sync_point = function() {
			return mode == LENS ? 1 : 0;
		};

	}

	// Inflate

	// preset dictionary flag in zlib header
	var PRESET_DICT = 0x20;

	var Z_DEFLATED = 8;

	var METHOD = 0; // waiting for method byte
	var FLAG = 1; // waiting for flag byte
	var DICT4 = 2; // four dictionary check bytes to go
	var DICT3 = 3; // three dictionary check bytes to go
	var DICT2 = 4; // two dictionary check bytes to go
	var DICT1 = 5; // one dictionary check byte to go
	var DICT0 = 6; // waiting for inflateSetDictionary
	var BLOCKS = 7; // decompressing blocks
	var DONE = 12; // finished check, done
	var BAD = 13; // got an error--stay here

	var mark = [ 0, 0, 0xff, 0xff ];

	function Inflate() {
		var that = this;

		that.mode = 0; // current inflate mode

		// mode dependent information
		that.method = 0; // if FLAGS, method byte

		// if CHECK, check values to compare
		that.was = [ 0 ]; // new Array(1); // computed check value
		that.need = 0; // stream check value

		// if BAD, inflateSync's marker bytes count
		that.marker = 0;

		// mode independent information
		that.wbits = 0; // log2(window size) (8..15, defaults to 15)

		// this.blocks; // current inflate_blocks state

		function inflateReset(z) {
			if (!z || !z.istate)
				return Z_STREAM_ERROR;

			z.total_in = z.total_out = 0;
			z.msg = null;
			z.istate.mode = BLOCKS;
			z.istate.blocks.reset(z, null);
			return Z_OK;
		}

		that.inflateEnd = function(z) {
			if (that.blocks)
				that.blocks.free(z);
			that.blocks = null;
			// ZFREE(z, z->state);
			return Z_OK;
		};

		that.inflateInit = function(z, w) {
			z.msg = null;
			that.blocks = null;

			// set window size
			if (w < 8 || w > 15) {
				that.inflateEnd(z);
				return Z_STREAM_ERROR;
			}
			that.wbits = w;

			z.istate.blocks = new InfBlocks(z, 1 << w);

			// reset state
			inflateReset(z);
			return Z_OK;
		};

		that.inflate = function(z, f) {
			var r;
			var b;

			if (!z || !z.istate || !z.next_in)
				return Z_STREAM_ERROR;
			f = f == Z_FINISH ? Z_BUF_ERROR : Z_OK;
			r = Z_BUF_ERROR;
			while (true) {
				// System.out.println("mode: "+z.istate.mode);
				switch (z.istate.mode) {
				case METHOD:

					if (z.avail_in === 0)
						return r;
					r = f;

					z.avail_in--;
					z.total_in++;
					if (((z.istate.method = z.read_byte(z.next_in_index++)) & 0xf) != Z_DEFLATED) {
						z.istate.mode = BAD;
						z.msg = "unknown compression method";
						z.istate.marker = 5; // can't try inflateSync
						break;
					}
					if ((z.istate.method >> 4) + 8 > z.istate.wbits) {
						z.istate.mode = BAD;
						z.msg = "invalid window size";
						z.istate.marker = 5; // can't try inflateSync
						break;
					}
					z.istate.mode = FLAG;
				case FLAG:

					if (z.avail_in === 0)
						return r;
					r = f;

					z.avail_in--;
					z.total_in++;
					b = (z.read_byte(z.next_in_index++)) & 0xff;

					if ((((z.istate.method << 8) + b) % 31) !== 0) {
						z.istate.mode = BAD;
						z.msg = "incorrect header check";
						z.istate.marker = 5; // can't try inflateSync
						break;
					}

					if ((b & PRESET_DICT) === 0) {
						z.istate.mode = BLOCKS;
						break;
					}
					z.istate.mode = DICT4;
				case DICT4:

					if (z.avail_in === 0)
						return r;
					r = f;

					z.avail_in--;
					z.total_in++;
					z.istate.need = ((z.read_byte(z.next_in_index++) & 0xff) << 24) & 0xff000000;
					z.istate.mode = DICT3;
				case DICT3:

					if (z.avail_in === 0)
						return r;
					r = f;

					z.avail_in--;
					z.total_in++;
					z.istate.need += ((z.read_byte(z.next_in_index++) & 0xff) << 16) & 0xff0000;
					z.istate.mode = DICT2;
				case DICT2:

					if (z.avail_in === 0)
						return r;
					r = f;

					z.avail_in--;
					z.total_in++;
					z.istate.need += ((z.read_byte(z.next_in_index++) & 0xff) << 8) & 0xff00;
					z.istate.mode = DICT1;
				case DICT1:

					if (z.avail_in === 0)
						return r;
					r = f;

					z.avail_in--;
					z.total_in++;
					z.istate.need += (z.read_byte(z.next_in_index++) & 0xff);
					z.istate.mode = DICT0;
					return Z_NEED_DICT;
				case DICT0:
					z.istate.mode = BAD;
					z.msg = "need dictionary";
					z.istate.marker = 0; // can try inflateSync
					return Z_STREAM_ERROR;
				case BLOCKS:

					r = z.istate.blocks.proc(z, r);
					if (r == Z_DATA_ERROR) {
						z.istate.mode = BAD;
						z.istate.marker = 0; // can try inflateSync
						break;
					}
					if (r == Z_OK) {
						r = f;
					}
					if (r != Z_STREAM_END) {
						return r;
					}
					r = f;
					z.istate.blocks.reset(z, z.istate.was);
					z.istate.mode = DONE;
				case DONE:
					return Z_STREAM_END;
				case BAD:
					return Z_DATA_ERROR;
				default:
					return Z_STREAM_ERROR;
				}
			}
		};

		that.inflateSetDictionary = function(z, dictionary, dictLength) {
			var index = 0;
			var length = dictLength;
			if (!z || !z.istate || z.istate.mode != DICT0)
				return Z_STREAM_ERROR;

			if (length >= (1 << z.istate.wbits)) {
				length = (1 << z.istate.wbits) - 1;
				index = dictLength - length;
			}
			z.istate.blocks.set_dictionary(dictionary, index, length);
			z.istate.mode = BLOCKS;
			return Z_OK;
		};

		that.inflateSync = function(z) {
			var n; // number of bytes to look at
			var p; // pointer to bytes
			var m; // number of marker bytes found in a row
			var r, w; // temporaries to save total_in and total_out

			// set up
			if (!z || !z.istate)
				return Z_STREAM_ERROR;
			if (z.istate.mode != BAD) {
				z.istate.mode = BAD;
				z.istate.marker = 0;
			}
			if ((n = z.avail_in) === 0)
				return Z_BUF_ERROR;
			p = z.next_in_index;
			m = z.istate.marker;

			// search
			while (n !== 0 && m < 4) {
				if (z.read_byte(p) == mark[m]) {
					m++;
				} else if (z.read_byte(p) !== 0) {
					m = 0;
				} else {
					m = 4 - m;
				}
				p++;
				n--;
			}

			// restore
			z.total_in += p - z.next_in_index;
			z.next_in_index = p;
			z.avail_in = n;
			z.istate.marker = m;

			// return no joy or set up to restart on a new block
			if (m != 4) {
				return Z_DATA_ERROR;
			}
			r = z.total_in;
			w = z.total_out;
			inflateReset(z);
			z.total_in = r;
			z.total_out = w;
			z.istate.mode = BLOCKS;
			return Z_OK;
		};

		// Returns true if inflate is currently at the end of a block generated
		// by Z_SYNC_FLUSH or Z_FULL_FLUSH. This function is used by one PPP
		// implementation to provide an additional safety check. PPP uses
		// Z_SYNC_FLUSH
		// but removes the length bytes of the resulting empty stored block. When
		// decompressing, PPP checks that at the end of input packet, inflate is
		// waiting for these length bytes.
		that.inflateSyncPoint = function(z) {
			if (!z || !z.istate || !z.istate.blocks)
				return Z_STREAM_ERROR;
			return z.istate.blocks.sync_point();
		};
	}

	// ZStream

	function ZStream() {
	}

	ZStream.prototype = {
		inflateInit : function(bits) {
			var that = this;
			that.istate = new Inflate();
			if (!bits)
				bits = MAX_BITS;
			return that.istate.inflateInit(that, bits);
		},

		inflate : function(f) {
			var that = this;
			if (!that.istate)
				return Z_STREAM_ERROR;
			return that.istate.inflate(that, f);
		},

		inflateEnd : function() {
			var that = this;
			if (!that.istate)
				return Z_STREAM_ERROR;
			var ret = that.istate.inflateEnd(that);
			that.istate = null;
			return ret;
		},

		inflateSync : function() {
			var that = this;
			if (!that.istate)
				return Z_STREAM_ERROR;
			return that.istate.inflateSync(that);
		},
		inflateSetDictionary : function(dictionary, dictLength) {
			var that = this;
			if (!that.istate)
				return Z_STREAM_ERROR;
			return that.istate.inflateSetDictionary(that, dictionary, dictLength);
		},
		read_byte : function(start) {
			var that = this;
			return that.next_in.subarray(start, start + 1)[0];
		},
		read_buf : function(start, size) {
			var that = this;
			return that.next_in.subarray(start, start + size);
		}
	};

	// Inflater

	function Inflater() {
		var that = this;
		var z = new ZStream();
		var bufsize = 512;
		var flush = Z_NO_FLUSH;
		var buf = new Uint8Array(bufsize);
		var nomoreinput = false;

		z.inflateInit();
		z.next_out = buf;

		that.append = function(data, onprogress) {
			var err, buffers = [], lastIndex = 0, bufferIndex = 0, bufferSize = 0, array;
			if (data.length === 0)
				return;
			z.next_in_index = 0;
			z.next_in = data;
			z.avail_in = data.length;
			do {
				z.next_out_index = 0;
				z.avail_out = bufsize;
				if ((z.avail_in === 0) && (!nomoreinput)) { // if buffer is empty and more input is available, refill it
					z.next_in_index = 0;
					nomoreinput = true;
				}
				err = z.inflate(flush);
				if (nomoreinput && (err == Z_BUF_ERROR))
					return -1;
				if (err != Z_OK && err != Z_STREAM_END)
					throw "inflating: " + z.msg;
				if ((nomoreinput || err == Z_STREAM_END) && (z.avail_in == data.length))
					return -1;
				if (z.next_out_index)
					if (z.next_out_index == bufsize)
						buffers.push(new Uint8Array(buf));
					else
						buffers.push(new Uint8Array(buf.subarray(0, z.next_out_index)));
				bufferSize += z.next_out_index;
				if (onprogress && z.next_in_index > 0 && z.next_in_index != lastIndex) {
					onprogress(z.next_in_index);
					lastIndex = z.next_in_index;
				}
			} while (z.avail_in > 0 || z.avail_out === 0);
			array = new Uint8Array(bufferSize);
			buffers.forEach(function(chunk) {
				array.set(chunk, bufferIndex);
				bufferIndex += chunk.length;
			});
			return array;
		};
		that.flush = function() {
			z.inflateEnd();
		};
	}

	var inflater;

	if (obj.zip)
		obj.zip.Inflater = Inflater;
	else {
		inflater = new Inflater();
		obj.addEventListener("message", function(event) {
			var message = event.data;

			if (message.append)
				obj.postMessage({
					onappend : true,
					data : inflater.append(message.data, function(current) {
						obj.postMessage({
							progress : true,
							current : current
						});
					})
				});
			if (message.flush) {
				inflater.flush();
				obj.postMessage({
					onflush : true
				});
			}
		}, false);
	}

};

// @agup
// Convert the inflate library to a blobURL
O.esri.TPK.___test = O.esri.TPK.inflate.toString();

O.esri.TPK.___blobURL = URL.createObjectURL(
    new Blob([
        '(',
        O.esri.TPK.___test,
        ')(this)'],
        {type: 'application/javascript'}
    )
)

O.esri.zip.workerScriptsPath = O.esri.TPK.___blobURL;

//https://github.com/abdmob/x2js/blob/master/xml2json.js
/*
 Copyright 2011-2013 Abdulla Abdurakhmanov
 Original sources are available at https://code.google.com/p/x2js/

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */

O.esri.TPK.X2JS = function(config){
    'use strict';

    var VERSION = "1.1.5";

    var config = config || {};
    initConfigDefaults();
    initRequiredPolyfills();

    function initConfigDefaults() {
        if (config.escapeMode === undefined) {
            config.escapeMode = true;
        }
        config.attributePrefix = config.attributePrefix || "_";
        config.arrayAccessForm = config.arrayAccessForm || "none";
        config.emptyNodeForm = config.emptyNodeForm || "text";
        if (config.enableToStringFunc === undefined) {
            config.enableToStringFunc = true;
        }
        config.arrayAccessFormPaths = config.arrayAccessFormPaths || [];
        if (config.skipEmptyTextNodesForObj === undefined) {
            config.skipEmptyTextNodesForObj = true;
        }
        if (config.stripWhitespaces === undefined) {
            config.stripWhitespaces = true;
        }
        config.datetimeAccessFormPaths = config.datetimeAccessFormPaths || [];
    }

    var DOMNodeTypes = {
        ELEMENT_NODE: 1,
        TEXT_NODE: 3,
        CDATA_SECTION_NODE: 4,
        COMMENT_NODE: 8,
        DOCUMENT_NODE: 9
    };

    function initRequiredPolyfills() {
        function pad(number) {
            var r = String(number);
            if (r.length === 1) {
                r = '0' + r;
            }
            return r;
        }

        // Hello IE8-
        if (typeof String.prototype.trim !== 'function') {
            String.prototype.trim = function () {
                return this.replace(/^\s+|^\n+|(\s|\n)+$/g, '');
            }
        }
        if (typeof Date.prototype.toISOString !== 'function') {
            // Implementation from http://stackoverflow.com/questions/2573521/how-do-i-output-an-iso-8601-formatted-string-in-javascript
            Date.prototype.toISOString = function () {
                return this.getUTCFullYear()
                    + '-' + pad(this.getUTCMonth() + 1)
                    + '-' + pad(this.getUTCDate())
                    + 'T' + pad(this.getUTCHours())
                    + ':' + pad(this.getUTCMinutes())
                    + ':' + pad(this.getUTCSeconds())
                    + '.' + String((this.getUTCMilliseconds() / 1000).toFixed(3)).slice(2, 5)
                    + 'Z';
            };
        }
    }

    function getNodeLocalName(node) {
        var nodeLocalName = node.localName;
        if (nodeLocalName == null) // Yeah, this is IE!!
            nodeLocalName = node.baseName;
        if (nodeLocalName == null || nodeLocalName == "") // =="" is IE too
            nodeLocalName = node.nodeName;
        return nodeLocalName;
    }

    function getNodePrefix(node) {
        return node.prefix;
    }

    function escapeXmlChars(str) {
        if (typeof(str) == "string")
            return str.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;').replace(/'/g, '&#x27;').replace(/\//g, '&#x2F;');
        else
            return str;
    }

    function unescapeXmlChars(str) {
        return str.replace(/&amp;/g, '&').replace(/&lt;/g, '<').replace(/&gt;/g, '>').replace(/&quot;/g, '"').replace(/&#x27;/g, "'").replace(/&#x2F;/g, '\/');
    }

    function toArrayAccessForm(obj, childName, path) {
        switch (config.arrayAccessForm) {
            case "property":
                if (!(obj[childName] instanceof Array))
                    obj[childName + "_asArray"] = [obj[childName]];
                else
                    obj[childName + "_asArray"] = obj[childName];
                break;
            /*case "none":
             break;*/
        }

        if (!(obj[childName] instanceof Array) && config.arrayAccessFormPaths.length > 0) {
            var idx = 0;
            for (; idx < config.arrayAccessFormPaths.length; idx++) {
                var arrayPath = config.arrayAccessFormPaths[idx];
                if (typeof arrayPath === "string") {
                    if (arrayPath == path)
                        break;
                }
                else if (arrayPath instanceof RegExp) {
                    if (arrayPath.test(path))
                        break;
                }
                else if (typeof arrayPath === "function") {
                    if (arrayPath(obj, childName, path))
                        break;
                }
            }
            if (idx != config.arrayAccessFormPaths.length) {
                obj[childName] = [obj[childName]];
            }
        }
    }

    function fromXmlDateTime(prop) {
        // Implementation based up on http://stackoverflow.com/questions/8178598/xml-datetime-to-javascript-date-object
        // Improved to support full spec and optional parts
        var bits = prop.split(/[-T:+Z]/g);

        var d = new Date(bits[0], bits[1] - 1, bits[2]);
        var secondBits = bits[5].split("\.");
        d.setHours(bits[3], bits[4], secondBits[0]);
        if (secondBits.length > 1)
            d.setMilliseconds(secondBits[1]);

        // Get supplied time zone offset in minutes
        if (bits[6] && bits[7]) {
            var offsetMinutes = bits[6] * 60 + Number(bits[7]);
            var sign = /\d\d-\d\d:\d\d$/.test(prop) ? '-' : '+';

            // Apply the sign
            offsetMinutes = 0 + (sign == '-' ? -1 * offsetMinutes : offsetMinutes);

            // Apply offset and local timezone
            d.setMinutes(d.getMinutes() - offsetMinutes - d.getTimezoneOffset())
        }
        else if (prop.indexOf("Z", prop.length - 1) !== -1) {
            d = new Date(Date.UTC(d.getFullYear(), d.getMonth(), d.getDate(), d.getHours(), d.getMinutes(), d.getSeconds(), d.getMilliseconds()));
        }

        // d is now a local time equivalent to the supplied time
        return d;
    }

    function checkFromXmlDateTimePaths(value, childName, fullPath) {
        if (config.datetimeAccessFormPaths.length > 0) {
            var path = fullPath.split("\.#")[0];
            var idx = 0;
            for (; idx < config.datetimeAccessFormPaths.length; idx++) {
                var dtPath = config.datetimeAccessFormPaths[idx];
                if (typeof dtPath === "string") {
                    if (dtPath == path)
                        break;
                }
                else if (dtPath instanceof RegExp) {
                    if (dtPath.test(path))
                        break;
                }
                else if (typeof dtPath === "function") {
                    if (dtPath(obj, childName, path))
                        break;
                }
            }
            if (idx != config.datetimeAccessFormPaths.length) {
                return fromXmlDateTime(value);
            }
            else
                return value;
        }
        else
            return value;
    }

    function parseDOMChildren(node, path) {
        if (node.nodeType == DOMNodeTypes.DOCUMENT_NODE) {
            var result = new Object;
            var nodeChildren = node.childNodes;
            // Alternative for firstElementChild which is not supported in some environments
            for (var cidx = 0; cidx < nodeChildren.length; cidx++) {
                var child = nodeChildren.item(cidx);
                if (child.nodeType == DOMNodeTypes.ELEMENT_NODE) {
                    var childName = getNodeLocalName(child);
                    result[childName] = parseDOMChildren(child, childName);
                }
            }
            return result;
        }
        else if (node.nodeType == DOMNodeTypes.ELEMENT_NODE) {
            var result = new Object;
            result.__cnt = 0;

            var nodeChildren = node.childNodes;

            // Children nodes
            for (var cidx = 0; cidx < nodeChildren.length; cidx++) {
                var child = nodeChildren.item(cidx); // nodeChildren[cidx];
                var childName = getNodeLocalName(child);

                if (child.nodeType != DOMNodeTypes.COMMENT_NODE) {
                    result.__cnt++;
                    if (result[childName] == null) {
                        result[childName] = parseDOMChildren(child, path + "." + childName);
                        toArrayAccessForm(result, childName, path + "." + childName);
                    }
                    else {
                        if (result[childName] != null) {
                            if (!(result[childName] instanceof Array)) {
                                result[childName] = [result[childName]];
                                toArrayAccessForm(result, childName, path + "." + childName);
                            }
                        }
                        (result[childName])[result[childName].length] = parseDOMChildren(child, path + "." + childName);
                    }
                }
            }

            // Attributes
            for (var aidx = 0; aidx < node.attributes.length; aidx++) {
                var attr = node.attributes.item(aidx); // [aidx];
                result.__cnt++;
                result[config.attributePrefix + attr.name] = attr.value;
            }

            // Node namespace prefix
            var nodePrefix = getNodePrefix(node);
            if (nodePrefix != null && nodePrefix != "") {
                result.__cnt++;
                result.__prefix = nodePrefix;
            }

            if (result["#text"] != null) {
                result.__text = result["#text"];
                if (result.__text instanceof Array) {
                    result.__text = result.__text.join("\n");
                }
                if (config.escapeMode)
                    result.__text = unescapeXmlChars(result.__text);
                if (config.stripWhitespaces)
                    result.__text = result.__text.trim();
                delete result["#text"];
                if (config.arrayAccessForm == "property")
                    delete result["#text_asArray"];
                result.__text = checkFromXmlDateTimePaths(result.__text, childName, path + "." + childName);
            }
            if (result["#cdata-section"] != null) {
                result.__cdata = result["#cdata-section"];
                delete result["#cdata-section"];
                if (config.arrayAccessForm == "property")
                    delete result["#cdata-section_asArray"];
            }

            if (result.__cnt == 1 && result.__text != null) {
                result = result.__text;
            }
            else if (result.__cnt == 0 && config.emptyNodeForm == "text") {
                result = '';
            }
            else if (result.__cnt > 1 && result.__text != null && config.skipEmptyTextNodesForObj) {
                if ((config.stripWhitespaces && result.__text == "") || (result.__text.trim() == "")) {
                    delete result.__text;
                }
            }
            delete result.__cnt;

            if (config.enableToStringFunc && (result.__text != null || result.__cdata != null )) {
                result.toString = function () {
                    return (this.__text != null ? this.__text : '') + ( this.__cdata != null ? this.__cdata : '');
                };
            }

            return result;
        }
        else if (node.nodeType == DOMNodeTypes.TEXT_NODE || node.nodeType == DOMNodeTypes.CDATA_SECTION_NODE) {
            return node.nodeValue;
        }
    }

    function startTag(jsonObj, element, attrList, closed) {
        var resultStr = "<" + ( (jsonObj != null && jsonObj.__prefix != null) ? (jsonObj.__prefix + ":") : "") + element;
        if (attrList != null) {
            for (var aidx = 0; aidx < attrList.length; aidx++) {
                var attrName = attrList[aidx];
                var attrVal = jsonObj[attrName];
                if (config.escapeMode)
                    attrVal = escapeXmlChars(attrVal);
                resultStr += " " + attrName.substr(config.attributePrefix.length) + "='" + attrVal + "'";
            }
        }
        if (!closed)
            resultStr += ">";
        else
            resultStr += "/>";
        return resultStr;
    }

    function endTag(jsonObj, elementName) {
        return "</" + (jsonObj.__prefix != null ? (jsonObj.__prefix + ":") : "") + elementName + ">";
    }

    function endsWith(str, suffix) {
        return str.indexOf(suffix, str.length - suffix.length) !== -1;
    }

    function jsonXmlSpecialElem(jsonObj, jsonObjField) {
        if ((config.arrayAccessForm == "property" && endsWith(jsonObjField.toString(), ("_asArray")))
            || jsonObjField.toString().indexOf(config.attributePrefix) == 0
            || jsonObjField.toString().indexOf("__") == 0
            || (jsonObj[jsonObjField] instanceof Function))
            return true;
        else
            return false;
    }

    function jsonXmlElemCount(jsonObj) {
        var elementsCnt = 0;
        if (jsonObj instanceof Object) {
            for (var it in jsonObj) {
                if (jsonXmlSpecialElem(jsonObj, it))
                    continue;
                elementsCnt++;
            }
        }
        return elementsCnt;
    }

    function parseJSONAttributes(jsonObj) {
        var attrList = [];
        if (jsonObj instanceof Object) {
            for (var ait in jsonObj) {
                if (ait.toString().indexOf("__") == -1 && ait.toString().indexOf(config.attributePrefix) == 0) {
                    attrList.push(ait);
                }
            }
        }
        return attrList;
    }

    function parseJSONTextAttrs(jsonTxtObj) {
        var result = "";

        if (jsonTxtObj.__cdata != null) {
            result += "<![CDATA[" + jsonTxtObj.__cdata + "]]>";
        }

        if (jsonTxtObj.__text != null) {
            if (config.escapeMode)
                result += escapeXmlChars(jsonTxtObj.__text);
            else
                result += jsonTxtObj.__text;
        }
        return result;
    }

    function parseJSONTextObject(jsonTxtObj) {
        var result = "";

        if (jsonTxtObj instanceof Object) {
            result += parseJSONTextAttrs(jsonTxtObj);
        }
        else if (jsonTxtObj != null) {
            if (config.escapeMode)
                result += escapeXmlChars(jsonTxtObj);
            else
                result += jsonTxtObj;
        }

        return result;
    }

    function parseJSONArray(jsonArrRoot, jsonArrObj, attrList) {
        var result = "";
        if (jsonArrRoot.length == 0) {
            result += startTag(jsonArrRoot, jsonArrObj, attrList, true);
        }
        else {
            for (var arIdx = 0; arIdx < jsonArrRoot.length; arIdx++) {
                result += startTag(jsonArrRoot[arIdx], jsonArrObj, parseJSONAttributes(jsonArrRoot[arIdx]), false);
                result += parseJSONObject(jsonArrRoot[arIdx]);
                result += endTag(jsonArrRoot[arIdx], jsonArrObj);
            }
        }
        return result;
    }

    function parseJSONObject(jsonObj) {
        var result = "";

        var elementsCnt = jsonXmlElemCount(jsonObj);

        if (elementsCnt > 0) {
            for (var it in jsonObj) {

                if (jsonXmlSpecialElem(jsonObj, it))
                    continue;

                var subObj = jsonObj[it];

                var attrList = parseJSONAttributes(subObj)

                if (subObj == null || subObj == undefined) {
                    result += startTag(subObj, it, attrList, true);
                }
                else if (subObj instanceof Object) {

                    if (subObj instanceof Array) {
                        result += parseJSONArray(subObj, it, attrList);
                    }
                    else if (subObj instanceof Date) {
                        result += startTag(subObj, it, attrList, false);
                        result += subObj.toISOString();
                        result += endTag(subObj, it);
                    }
                    else {
                        var subObjElementsCnt = jsonXmlElemCount(subObj);
                        if (subObjElementsCnt > 0 || subObj.__text != null || subObj.__cdata != null) {
                            result += startTag(subObj, it, attrList, false);
                            result += parseJSONObject(subObj);
                            result += endTag(subObj, it);
                        }
                        else {
                            result += startTag(subObj, it, attrList, true);
                        }
                    }
                }
                else {
                    result += startTag(subObj, it, attrList, false);
                    result += parseJSONTextObject(subObj);
                    result += endTag(subObj, it);
                }
            }
        }
        result += parseJSONTextObject(jsonObj);

        return result;
    }

    this.parseXmlString = function (xmlDocStr) {
        var isIEParser = window.ActiveXObject || "ActiveXObject" in window;
        if (xmlDocStr === undefined) {
            return null;
        }
        var xmlDoc;
        if (window.DOMParser) {
            var parser = new window.DOMParser();
            var parsererrorNS = null;
            // IE9+ now is here
            if (!isIEParser) {
                try {
                    parsererrorNS = parser.parseFromString("INVALID", "text/xml").childNodes[0].namespaceURI;
                }
                catch (err) {
                    parsererrorNS = null;
                }
            }
            try {
                xmlDoc = parser.parseFromString(xmlDocStr, "text/xml");
                if (parsererrorNS != null && xmlDoc.getElementsByTagNameNS(parsererrorNS, "parsererror").length > 0) {
                    //throw new Error('Error parsing XML: '+xmlDocStr);
                    xmlDoc = null;
                }
            }
            catch (err) {
                xmlDoc = null;
            }
        }
        else {
            // IE :(
            if (xmlDocStr.indexOf("<?") == 0) {
                xmlDocStr = xmlDocStr.substr(xmlDocStr.indexOf("?>") + 2);
            }
            xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
            xmlDoc.async = "false";
            xmlDoc.loadXML(xmlDocStr);
        }
        return xmlDoc;
    };

    this.asArray = function (prop) {
        if (prop instanceof Array)
            return prop;
        else
            return [prop];
    };

    this.toXmlDateTime = function (dt) {
        if (dt instanceof Date)
            return dt.toISOString();
        else if (typeof(dt) === 'number')
            return new Date(dt).toISOString();
        else
            return null;
    };

    this.asDateTime = function (prop) {
        if (typeof(prop) == "string") {
            return fromXmlDateTime(prop);
        }
        else
            return prop;
    };

    this.xml2json = function (xmlDoc) {
        return parseDOMChildren(xmlDoc);
    };

    this.xml_str2json = function(xmlDocStr) {
        var xmlDoc = this.parseXmlString(xmlDocStr);
        if (xmlDoc != null)
            return this.xml2json(xmlDoc);
        else
            return null;
    };

    this.json2xml_str = function (jsonObj) {
        return parseJSONObject(jsonObj);
    };

    this.json2xml = function (jsonObj) {
        var xmlDocStr = this.json2xml_str(jsonObj);
        return this.parseXmlString(xmlDocStr);
    };

    this.getVersion = function () {
        return VERSION;
    };

}