/**
 █▒▓▒░ The FlexPaper Project

 This file is part of FlexPaper.

 For more information on FlexPaper please see the FlexPaper project
 home page: http://flexpaper.devaldi.com
 */

/**
*
* FlexPaper helper function for retrieving a active FlexPaper instance 
*
*/ 
window.$FlexPaper = window.getDocViewer = window["$FlexPaper"] = function(id){
    var instance = (id==="undefined")?"":id;

    if (window['ViewerMode'] == 'flash') {
        return window["FlexPaperViewer_Instance"+instance].getApi();
    }else if(window['ViewerMode'] == 'html'){
        return window["FlexPaperViewer_Instance"+instance];

                  
    }
};  



/**
 *
 * FlexPaper embedding (name of placeholder, config)
 *
 */
window.FlexPaperViewerEmbedding = window.$f = function(id, args) {
    this.id = id;

    var userAgent = navigator.userAgent.toLowerCase();
    var browser = window["eb.browser"] = {
        version: (userAgent.match(/.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/) || [])[1],
        safari: /webkit/.test(userAgent),
        opera: /opera/.test(userAgent),
        msie: /msie/.test(userAgent) && !/opera/.test(userAgent),
        mozilla: /mozilla/.test(userAgent) && !/(compatible|webkit)/.test(userAgent),
        chrome: /chrome/.test(userAgent)
    };

    var platform = window["eb.platform"] = {
        win:/win/.test(userAgent),
        mac:/mac/.test(userAgent),
        touchdevice : (function(){try {return 'ontouchstart' in document.documentElement;} catch (e) {return false;} })(),
        android : (userAgent.indexOf("android") > -1),
        ios : ((userAgent.match(/iphone/i)) || (userAgent.match(/ipod/i)) || (userAgent.match(/ipad/i))),
        winphone : userAgent.match(/Windows Phone/i),
        blackberry : userAgent.match(/BlackBerry/i),
        webos : userAgent.match(/webOS/i)
    };

    platform.touchonlydevice = platform.touchdevice && (platform.android || platform.ios || platform.winphone || platform.blackberry || platform.webos);

    var config = args.config;
    var _SWFFile,_PDFFile,_IMGFiles,_SVGFiles,_IMGFiles_thumbs="",_IMGFiles_highres="",_JSONFile  = "",_jsDirectory="",_cssDirectory="",_localeDirectory="";_WMode = (config.WMode!=null||config.wmode!=null?config.wmode||config.WMode:"direct");
    var _uDoc = ((config.DOC !=null)?unescape(config.DOC):null);
    var instance = "FlexPaperViewer_Instance"+((id==="undefined")?"":id);
    var _JSONDataType = (config.JSONDataType!=null)?config.JSONDataType:"json";

    if (_uDoc != null) {
        _SWFFile            = FLEXPAPER.translateUrlByFormat(_uDoc,"swf");
        _PDFFile            = FLEXPAPER.translateUrlByFormat(_uDoc,"pdf");
        _JSONFile           = FLEXPAPER.translateUrlByFormat(_uDoc,_JSONDataType);
        _IMGFiles           = FLEXPAPER.translateUrlByFormat(_uDoc,"jpg");
        _SVGFiles           = FLEXPAPER.translateUrlByFormat(_uDoc,"svg");
        _IMGFiles_thumbs    = FLEXPAPER.translateUrlByFormat(_uDoc,"jpg");
        _IMGFiles_highres   = FLEXPAPER.translateUrlByFormat(_uDoc,"jpgpageslice");
    }

    _SWFFile            = (config.SwfFile!=null?config.SwfFile:_SWFFile);
    _SWFFile            = (config.SWFFile!=null?config.SWFFile:_SWFFile);
    _PDFFile            = (config.PDFFile!=null?config.PDFFile:_PDFFile);
    _IMGFiles           = (config.IMGFiles!=null?config.IMGFiles:_IMGFiles);
    _IMGFiles           = (config.PageImagePattern!=null?config.PageImagePattern:_IMGFiles);
    _SVGFiles           = (config.SVGFiles!=null?config.SVGFiles:_SVGFiles);
    _IMGFiles_thumbs    = (config.ThumbIMGFiles!=null?config.ThumbIMGFiles:_IMGFiles_thumbs);
    _IMGFiles_highres   = (config.HighResIMGFiles!=null?config.HighResIMGFiles:_IMGFiles_highres);
    _JSONFile           = (config.JSONFile!=null?config.JSONFile:_JSONFile);
    _jsDirectory        = (config.jsDirectory!=null?config.jsDirectory:FLEXPAPER.detectjsdir());
    _cssDirectory       = (config.cssDirectory!=null?config.cssDirectory:FLEXPAPER.detectcssdir());
    _localeDirectory    = (config.localeDirectory!=null?config.localeDirectory:"locale/");
    if(_SWFFile!=null && _SWFFile.indexOf("{" )==0 && _SWFFile.indexOf("[*," ) > 0 && _SWFFile.indexOf("]" ) > 0){_SWFFile = escape(_SWFFile);} // split file fix

    // overwrite StartAtPage with anything off the hash
    if(FLEXPAPER.getLocationHashParameter){
        var pageFromHash = FLEXPAPER.getLocationHashParameter('page');
        if(pageFromHash!=null){
            config.StartAtPage = pageFromHash;
        }
    }

    if(FLEXPAPER.getLocationHashParameter){
        var previewModeFromHash = FLEXPAPER.getLocationHashParameter('PreviewMode');
        if(previewModeFromHash!=null){
            config.PreviewMode = previewModeFromHash;
        }
    }

    if(config.PreviewMode == "FrontPage" && ((_IMGFiles!=null && _IMGFiles.length>0) || (_IMGFiles_thumbs!=null && _IMGFiles_thumbs.length>0))){
        FLEXPAPER.initFrontPagePreview(id,args,(_IMGFiles_thumbs!=null && _IMGFiles_thumbs.length>0)?_IMGFiles_thumbs:_IMGFiles);
        return;
    }

   

    window[instance] = flashembed(id, {
        src                         : "/sites/visualisingadvocacy.org/themes/dbn/flexx/FlexPaperViewer.swf",
        version                     : [11, 0],
        expressInstall              : "js/expressinstall.swf",
        wmode                       : _WMode
    },{
        ElementId               : id,
        SwfFile                 : _SWFFile,
        PdfFile                 : _PDFFile,
        IMGFiles                : _IMGFiles,
        SVGFiles                : _SVGFiles,
        JSONFile                : _JSONFile,
        ThumbIMGFiles           : _IMGFiles_thumbs,
        HighResIMGFiles         : _IMGFiles_highres,
        useCustomJSONFormat     : config.useCustomJSONFormat,
        JSONPageDataFormat      : config.JSONPageDataFormat,
        JSONDataType            : _JSONDataType,
        Scale                   : (config.Scale!=null)?config.Scale:0.8,
        ZoomTransition          : (config.ZoomTransition!=null)?config.ZoomTransition:'easeOut',
        ZoomTime                : (config.ZoomTime!=null)?config.ZoomTime:0.5,
        ZoomInterval            : (config.ZoomInterval)?config.ZoomInterval:0.1,
        FitPageOnLoad           : (config.FitPageOnLoad!=null)?config.FitPageOnLoad:false,
        FitWidthOnLoad          : (config.FitWidthOnLoad!=null)?config.FitWidthOnLoad:false,
        FullScreenAsMaxWindow   : (config.FullScreenAsMaxWindow!=null)?config.FullScreenAsMaxWindow:false,
        ProgressiveLoading      : (config.ProgressiveLoading!=null)?config.ProgressiveLoading:false,
        MinZoomSize             : (config.MinZoomSize!=null)?config.MinZoomSize:0.2,
        MaxZoomSize             : (config.MaxZoomSize!=null)?config.MaxZoomSize:5,
        SearchMatchAll          : (config.SearchMatchAll!=null)?config.SearchMatchAll:false,
        SearchServiceUrl        : config.SearchServiceUrl,
        InitViewMode            : config.InitViewMode,
        TouchInitViewMode       : config.TouchInitViewMode,
        PreviewMode             : config.PreviewMode,
        PublicationTitle        : config.PublicationTitle,
        MixedMode               : config.MixedMode,
        BitmapBasedRendering    : (config.BitmapBasedRendering!=null)?config.BitmapBasedRendering:false,
        StartAtPage             : (config.StartAtPage!=null&&config.StartAtPage.toString().length>0&&!isNaN(config.StartAtPage))?config.StartAtPage:1,
        PrintPaperAsBitmap      : (config.PrintPaperAsBitmap!=null)?config.PrintPaperAsBitmap:((browser.safari||browser.mozilla)?true:false),
        AutoAdjustPrintSize     : (config.AutoAdjustPrintSize!=null)?config.AutoAdjustPrintSize:true,
        EnableSearchAbstracts   : ((config.EnableSearchAbstracts!=null)?config.EnableSearchAbstracts:true),
        EnableCornerDragging    : ((config.EnableCornerDragging!=null)?config.EnableCornerDragging:true), // FlexPaper Zine parameter
        BackgroundColor         : '#FAFAFA', // FlexPaper Zine parameter
        PanelColor              : config.PanelColor, // FlexPaper Zine parameter
        BackgroundAlpha         : '#FAFAFA', // FlexPaper Zine parameter
        UIConfig                : config.UIConfig,  // FlexPaper Zine parameter
        PageIndexAdjustment     : config.PageIndexAdjustment,

        ViewModeToolsVisible    : ((config.ViewModeToolsVisible!=null)?config.ViewModeToolsVisible:true),
        ZoomToolsVisible        : ((config.ZoomToolsVisible!=null)?config.ZoomToolsVisible:true),
        NavToolsVisible         : ((config.NavToolsVisible!=null)?config.NavToolsVisible:true),
        CursorToolsVisible      : ((config.CursorToolsVisible!=null)?config.CursorToolsVisible:true),
        SearchToolsVisible      : ((config.SearchToolsVisible!=null)?config.SearchToolsVisible:false),
        AnnotationToolsVisible  : ((config.AnnotationToolsVisible!=null)?config.AnnotationToolsVisible:false), // Annotations viewer parameter

        StickyTools             : config.StickyTools,
        UserCollaboration       : config.UserCollaboration,
        CurrentUser             : config.CurrentUser,
        Toolbar                 : config.Toolbar,
        BottomToolbar           : config.BottomToolbar,
        DocSizeQueryService     : config.DocSizeQueryService,

        RenderingOrder          : config.RenderingOrder,

        TrackingNumber          : config.TrackingNumber,
        localeChain             : (config.localeChain!=null)?config.localeChain:"en_US",
        jsDirectory             : '/sites/visualisingadvocacy.org/themes/dbn/flexx/js/',
        cssDirectory            : '/sites/visualisingadvocacy.org/themes/dbn/flexx/css/' ,
        localeDirectory         : '/sites/visualisingadvocacy.org/themes/dbn/flexx/locale/',
        signature               : config.signature,
        key                     : config.key
    });

    // add TrackingNumber to the data collection for easier use in events later
    if(config.TrackingNumber && config.TrackingNumber.length>0){

        var _trackSWFFile = _SWFFile; if(_trackSWFFile){_trackSWFFile = (_trackSWFFile.indexOf("/")>0?_trackSWFFile.substr(_trackSWFFile.lastIndexOf("/")+1):_trackSWFFile); _trackSWFFile = _trackSWFFile.replace("_[*,0]",""); _trackSWFFile = _trackSWFFile.replace(".swf",".pdf"); _trackSWFFile = (_trackSWFFile.indexOf("}")>0?_trackSWFFile.substr(0,_trackSWFFile.lastIndexOf(",")):_trackSWFFile);}
        var _trackPDFFile = _PDFFile; if(_trackPDFFile){_trackPDFFile = (_trackPDFFile.indexOf("/")>0?_trackPDFFile.substr(_trackPDFFile.lastIndexOf("/")+1):_trackPDFFile); _trackPDFFile = _trackPDFFile.replace("_[*,0]","").replace("_[*,2]","");}
        var _trackJSONFile = _JSONFile; if(_JSONFile){_trackJSONFile = (_trackJSONFile.indexOf("/")>0?_trackJSONFile.substr(_trackJSONFile.lastIndexOf("/")+1):_trackJSONFile); _trackJSONFile = _trackJSONFile.replace("{page}",""); _trackJSONFile = _trackJSONFile.replace(".js",".pdf");}

        jQuery('#'+id).data('TrackingDocument',(_trackPDFFile || _trackSWFFile || _trackJSONFile));
        jQuery('#'+id).data('TrackingNumber',config.TrackingNumber);
    }
};

(function() {
    if(!window.FLEXPAPER){window.FLEXPAPER = {};}

    FLEXPAPER.detectjsdir = function(){
        if(jQuery('script[src$="flexpaper.js"]').length>0){
            return jQuery('script[src$="flexpaper.js"]').attr('src').replace('flexpaper.js','');
        }else{
            return "js/"
        }
    };

    FLEXPAPER.detectcssdir= function(){
        if(jQuery('link[href$="flexpaper.css"]').length>0){
            return jQuery('link[href$="flexpaper.css"]').attr('href').replace('flexpaper_zine.css','');
        }else{
            return "css/"
        }
    };

    FLEXPAPER.getLocationHashParameter = function(param){
        var hash = location.hash.substr(1);

        if(hash.indexOf(param+'=')>=0){
            var value = hash.substr(hash.indexOf(param+'='))
                .split('&')[0]
                .split('=')[1];

            return value;
        }

        return null;
    };

    FLEXPAPER.translateUrlByFormat = function(url,format){
        if(url.indexOf("{") == 0 && format != "swf"){ // loading in split file mode
            url = url.substring(1,url.lastIndexOf(","));

            if(format!="pdf"){
                url = url.replace("[*,0]","{page}")
                url = url.replace("[*,2]","{page}")
            }
        }else if(format == "swf" && url.indexOf("{") != 0){
            url = url.replace("{page}", "");
            url = url.replace(/&/g, '%26');
            url = url.replace(/ /g, '%20');
        }

        if(format =="jpgpageslice"){
            url = url + "&sector={sector}";
        }

        url = (url!=null && url.indexOf('{format}') > 0 ? url.replace("{format}", format):null);
        return url;
    };

    FLEXPAPER.translateUrlByDocument = function(url,document){
        return (url!=null && url.indexOf('{doc}') > 0 ? url.replace("{doc}", document):null);
    };

    FLEXPAPER.animateDenyEffect = function(obj,margin,time,cycles,dir) {
        window.setTimeout(function(){
            var speed = time / ((2*cycles)+1);
            var margRat = 1 + (60/(cycles*cycles)); $(obj).stop(true,true);
            for (var i=0; i<=cycles; i++) {
                for (var j=-1; j<=1; j+=2)
                    $(obj).animate({marginLeft: (i!=cycles)*j*margin},{duration:speed, queue:true});

                margin/=margRat;
            }
        },500);
    };

    FLEXPAPER.initFrontPagePreview = function initFrontPagePreview(viewerid,args,IMGFiles){
        var animate = true;
        jQuery(document.body).css('background-color',jQuery('#'+viewerid).css('background-color'));

        var img = new Image();
        jQuery(img).bind('load',function(){
            jQuery(document.body).append(
                "<div id='flexpaper_frontpagePreview_"+viewerid+"'>"+
                    "<form class='flexpaper_htmldialog' method='POST' style='display:none;top:100px;margin:"+((jQuery(window).height()>350)?"50px auto":"0px auto")+";padding-bottom:0px;'>"+
                    "<div class='flexpaper_preview_container flexpaper_publications flexpaper_publication_csstransforms3d' style='overflow-y:hidden;overflow-x:hidden;text-align:center;margin: -25px -25px 0px;padding: 15px 25px 20px 25px;'>"+
                    "<div class='flexpaper_publication flexpaper_publication_csstransforms3d' style='cursor:pointer;margin-bottom:20px;'>"+
                    "<img src='"+(IMGFiles.replace("{page}",1))+"' />"+
                    "</div>"+
                    ((args.config.PublicationTitle!=null && args.config.PublicationTitle.length>0)?"<h1 class='flexpaper_htmldialog-title' style='margin-bottom:0px;'>"+args.config.PublicationTitle+"</h1>":"")+
                    "</div>"+
                    "</form>"+
                    "</div>"
            );

            var anim_duration = animate?1000:0;
            var anim_height_dur = animate?anim_duration/3:0;
            var theight = 260;

            jQuery('.flexpaper_htmldialog').css({height : '0px', display : 'block'});
            jQuery('.flexpaper_htmldialog').animate({'height': theight+'px','top':'0px'},{duration: anim_height_dur, complete: function(){
                var preview_container = jQuery('#flexpaper_frontpagePreview_'+viewerid);
                var container_width = preview_container.find('.flexpaper_preview_container').width();
                var container_height = preview_container.find('.flexpaper_preview_container').height();

                preview_container.find('.flexpaper_htmldialog').css({'height' : ''}); // remove height attribute to fit publication
                preview_container.find('.flexpaper_preview_container').append("<div class='flexpaper_frontpagePreview_play' style='position:absolute;left:"+(container_width/2)+"px;top:"+(container_height/2-((args.config.PublicationTitle!=null)?50:25))+"px;width:0px;height:0px;border-bottom:50px solid transparent;border-top:50px solid transparent;border-left:50px solid #AAAAAA;'></div>");

                var playbutton = preview_container.find('.flexpaper_frontpagePreview_play');

                playbutton.css({opacity : 0.85, 'cursor' : 'pointer'});
                preview_container.find('.flexpaper_publication, .flexpaper_frontpagePreview_play').on("mouseover",function(e){
                    jQuery(playbutton).css({
                        'border-left'   : '50px solid #FFFFFF',
                        opacity : 0.85
                    });
                });

                preview_container.find('.flexpaper_publication, .flexpaper_frontpagePreview_play').on("mouseout",function(e){
                    jQuery(playbutton).css({
                        'border-left'   : '50px solid #AAAAAA'
                    });
                });

                preview_container.find('.flexpaper_publication, .flexpaper_frontpagePreview_play').on("mousedown",function(e){
                    jQuery('#flexpaper_frontpagePreview_'+viewerid).remove();
                    args.config.PreviewMode=null;
                    jQuery('#'+viewerid).FlexPaperViewer(args);
                });

                jQuery('.flexpaper_publication').animate({opacity:1},{
                    step : function(now,fx){
                        var target = -7;var opacityfrom = -40;var diff = opacityfrom - target;var rotate = (diff * now);

                        jQuery('.flexpaper_publication').css({
                            '-webkit-transform' : 'perspective(300) rotateY('+(opacityfrom - rotate)+'deg)',
                            '-moz-transform' : 'rotateY('+(opacityfrom - rotate)+'deg)',
                            'box-shadow' : '5px 5px 20px rgba(51, 51, 51, '+now+')'
                        });
                    },
                    duration:anim_duration
                });

            }});

        });
        img.src = (IMGFiles.replace("{page}",1));
    };

    FLEXPAPER.initLoginForm = function initLoginForm(IMGFiles,animate){
        jQuery(document.body).css('background-color','#dedede');

        var img = new Image();
        jQuery(img).bind('load',function(){
            jQuery(document.body).append(
                    "<div id='loginForm'>"+
                    "<form class='flexpaper_htmldialog' method='POST' style='display:none;top:100px;margin:"+((jQuery(window).height()>500)?"50px auto":"0px auto")+"'>"+
                    "<div class='flexpaper_publications flexpaper_publication_csstransforms3d' style='overflow-y:hidden;overflow-x:hidden;text-align:center;background: #f7f7f7;margin: -25px -25px 0px;padding: 15px 25px 0px 25px;'>"+
                    "<div class='flexpaper_publication flexpaper_publication_csstransforms3d' id='flexpaper_publication1'>"+
                    "<img src='"+(IMGFiles.replace("{page}",1))+"' />"+
                    "</div>"+

                    "<h1 class='flexpaper_htmldialog-title'>password protected publication</h1>"+
                    "<input type='password' id='txt_flexpaper_password' name='txt_flexpaper_password' class='flexpaper_htmldialog-input' placeholder='Enter password'>"+
                    "<input type='submit' value='Submit' class='flexpaper_htmldialog-button'>"+
                    "</div>"+
                    "</form>"+
                    "</div>"
            );

            var anim_duration = animate?1000:0;
            var anim_height_dur = animate?anim_duration/3:0;
            var theight = 400;

            jQuery('.flexpaper_htmldialog').css({height : '0px', display : 'block'});
            jQuery('.flexpaper_htmldialog').animate({'height': theight+'px','top':'0px'},{duration: anim_height_dur, complete: function(){
                jQuery('.flexpaper_htmldialog').css({'height' : ''}); // remove height attribute to fit publication

                jQuery('.flexpaper_publication').animate({opacity:1},{
                    step : function(now,fx){
                        var target = -7;var opacityfrom = -40;var diff = opacityfrom - target;var rotate = (diff * now);

                        jQuery('.flexpaper_publication').css({
                            '-webkit-transform' : 'perspective(300) rotateY('+(opacityfrom - rotate)+'deg)',
                            '-moz-transform' : 'rotateY('+(opacityfrom - rotate)+'deg)',
                            'box-shadow' : '5px 5px 20px rgba(51, 51, 51, '+now+')'
                        });
                    },
                    duration:anim_duration
                });

            }});

        });
        img.src = (IMGFiles.replace("{page}",1));
    };
})();

/**
 * 
 * FlexPaper embedding functionality. Based on FlashEmbed
 *
 */

(function() {
    var  ua = navigator.userAgent.toLowerCase();
    var  IE = document.all,
         URL = 'http://www.adobe.com/go/getflashplayer',
         JQUERY = typeof jQuery == 'function', 
         RE = /(\d+)[^\d]+(\d+)[^\d]*(\d*)/,
         MOBILE = (function(){try {return 'ontouchstart' in document.documentElement;} catch (e) {return false;} })(),
         MOBILEOS = ((ua.indexOf("android") > -1) || ((ua.match(/iphone/i)) || (ua.match(/ipod/i)) || (ua.match(/ipad/i))) || ua.match(/Windows Phone/i) || ua.match(/BlackBerry/i) || ua.match(/webOS/i)),
         GLOBAL_OPTS = { 
            // very common opts
            width: '100%',
            height: '100%',     
            id: "_" + ("" + Math.random()).slice(9),
            
            // flashembed defaults
            allowfullscreen: true,
            allowscriptaccess: 'always',
            quality: 'high',
            allowFullScreenInteractive : true,
            
            // flashembed specific options
            version: [10, 0],
            onFail: null,
            expressInstall: null, 
            w3c: false,
            cachebusting: false                  
    };

    window.isTouchScreen = MOBILE && MOBILEOS;

    if (window.attachEvent) {
        window.attachEvent("onbeforeunload", function() {
            __flash_unloadHandler = function() {};
            __flash_savedUnloadHandler = function() {};
        });
    }
    
    // simple extend
    function extend(to, from) {
        if (from) {
            for (var key in from) {
                if (from.hasOwnProperty(key)) {
                    to[key] = from[key];
                }
            }
        } 
        return to;
    }

    // used by Flash to dispatch a event properly
    window.dispatchJQueryEvent = function (elementId,eventName,args){
        jQuery('#'+elementId).trigger(eventName,args);
    }

    // used by asString method  
    function map(arr, func) {
        var newArr = []; 
        for (var i in arr) {
            if (arr.hasOwnProperty(i)) {
                newArr[i] = func(arr[i]);
            }
        }
        return newArr;
    }

    window.flashembed = function(root, opts, conf) {
        // root must be found / loaded  
        if (typeof root == 'string') {
            root = document.getElementById(root.replace("#", ""));
        }
        
        // not found
        if (!root) { return; }
        
        root.onclick = function(){return false;}
        
        if (typeof opts == 'string') {
            opts = {src: opts}; 
        }

        return new Flash(root, extend(extend({}, GLOBAL_OPTS), opts), conf); 
    };  
    
    // flashembed "static" API
    var f = extend(window.flashembed, {
        
        conf: GLOBAL_OPTS,
    
        getVersion: function()  {
            var fo, ver;
            
            try {
                ver = navigator.plugins["Shockwave Flash"].description.slice(16); 
            } catch(e) {
                
                try  {
                    fo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
                    ver = fo && fo.GetVariable("$version");
                    
                } catch(err) {
                try  {
                    fo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
                    ver = fo && fo.GetVariable("$version");  
                } catch(err2) { }                       
                } 
            }
            
            ver = RE.exec(ver);
            return ver ? [ver[1], ver[3]] : [0, 0];
        },
        
        asString: function(obj) { 

            if (obj === null || obj === undefined) { return null; }
            var type = typeof obj;
            if (type == 'object' && obj.push) { type = 'array'; }
            
            switch (type){  
                
                case 'string':
                    obj = obj.replace(new RegExp('(["\\\\])', 'g'), '\\$1');
                    
                    // flash does not handle %- characters well. transforms "50%" to "50pct" (a dirty hack, I admit)
                    obj = obj.replace(/^\s?(\d+\.?\d+)%/, "$1pct");
                    return '"' +obj+ '"';
                    
                case 'array':
                    return '['+ map(obj, function(el) {
                        return f.asString(el);
                    }).join(',') +']'; 
                    
                case 'function':
                    return '"function()"';
                    
                case 'object':
                    var str = [];
                    for (var prop in obj) {
                        if (obj.hasOwnProperty(prop)) {
                            str.push('"'+prop+'":'+ f.asString(obj[prop]));
                        }
                    }
                    return '{'+str.join(',')+'}';
            }
            
            // replace ' --> "  and remove spaces
            return String(obj).replace(/\s/g, " ").replace(/\'/g, "\"");
        },
        
        getHTML: function(opts, conf) {

            opts = extend({}, opts);
            opts.id = opts.id + (" " + Math.random()).slice(9);
            
            /******* OBJECT tag and it's attributes *******/
            var html = '<object width="' + opts.width + 
                '" height="' + opts.height + 
                '" id="' + opts.id + 
                '" name="' + opts.id + '"';
            
            if (opts.cachebusting) {
                opts.src += ((opts.src.indexOf("?") != -1 ? "&" : "?") + Math.random());        
            }           
            
            if (opts.w3c || !IE) {
                html += ' data="' +opts.src+ '" type="application/x-shockwave-flash"';      
            } else {
                html += ' classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"';    
            }
            
            html += '>'; 
            
            /******* nested PARAM tags *******/
            if (opts.w3c || IE) {
                html += '<param name="movie" value="' +opts.src+ '" />';    
            } 
            
            // not allowed params
            opts.width = opts.height = opts.id = opts.w3c = opts.src = null;
            opts.onFail = opts.version = opts.expressInstall = null;
            
            for (var key in opts) {
                if (opts[key]) {
                    html += '<param name="'+ key +'" value="'+ opts[key] +'" />';
                }
            }   
        
            /******* FLASHVARS *******/
            var vars = "";
            
            if (conf) {
                for (var k in conf) {
                    if ((typeof conf[k] != "undefined") && (typeof conf[k] != "unknown") && k!='Toolbar' && k!='BottomToolbar') {
                        var val = conf[k];
                        if(k=="JSONFile"){val = escape(val);}
                        vars += k +'='+ (/function|object/.test(typeof val) ? f.asString(val) : val) + '&';
                    }
                }
                vars = vars.slice(0, -1);
                html += '<param name="flashvars" value=\'' + vars + '\' />';
            }
            
            html += "<span class='flashoff'><h5>Sorry! Adobe Flash is not working in your browser. If you'd like to read a digital copy of the book, you can download a PDF using the link below.</h5></span> </object>";    
            
            return html;                
        },
        
        isSupported: function(ver) {
            return VERSION[0] > ver[0] || VERSION[0] == ver[0] && VERSION[1] >= ver[1];         
        }       
        
    });
    
    var VERSION = f.getVersion(); 
    
    function Flash(root, opts, conf) {
        var browser = window["eb.browser"];
        var platform = window["eb.platform"];

        var supportsHTML4   = (browser.mozilla && browser.version.split(".")[0] >= 3) ||
            (browser.chrome) ||
            (browser.msie && browser.version.split(".")[0] >= 8) ||
            (browser.safari) ||
            (browser.opera);

        var supportsCanvasDrawing   =   (browser.mozilla && browser.version.split(".")[0] >= 4) ||
            (browser.chrome && browser.version.split(".") >= 535) ||
            (browser.msie && browser.version.split(".")[0] >= 10) ||
            (browser.safari && browser.version.split(".")[0] >= 535 /*&& !platform.ios*/);

        // Default to a rendering mode if its not set
        if(!conf.RenderingOrder && conf.SwfFile !=  null){conf.RenderingOrder = "flash";}
        if(!conf.RenderingOrder && conf.JSONFile !=  null && conf.JSONFile){conf.RenderingOrder = "html";}
        if(!conf.RenderingOrder && conf.PdfFile !=  null){conf.RenderingOrder = "html5";}

        // mobile preview removes flash from the rendering order
        if(FLEXPAPER.getLocationHashParameter && FLEXPAPER.getLocationHashParameter('mobilepreview')){
            conf.RenderingOrder = conf.RenderingOrder.replace(/flash/g, 'html');
        }

        // if a iOS device but not touch then user is clearly faking user agent. Assume mobile preview.
        if(!platform.touchdevice && platform.ios){
            conf.RenderingOrder = conf.RenderingOrder.replace(/flash/g, 'html');
        }

        var viewerId = jQuery(root).attr('id');
        var instance = "FlexPaperViewer_Instance"+((viewerId==="undefined")?"":viewerId);

        // version is ok
        if ((conf.RenderingOrder.indexOf('flash') == 0 || (conf.RenderingOrder.indexOf('flash')>0 &&!supportsHTML4) || (conf.RenderingOrder.indexOf('flash')>0 && conf.RenderingOrder.indexOf('html5')>=0 && !supportsCanvasDrawing)) && f.isSupported(opts.version)) {
            if(conf.Toolbar){
                var wrapper = jQuery(root).wrap("<div class='flexpaper_toolbar_wrapper' style='"+jQuery(root).attr('style')+"'></div>").parent();
                wrapper.prepend(jQuery(conf.Toolbar));
                
                jQuery(root).css({
                    left : '0px',
                    top: '0px',
                    position : 'relative',
                    width : '100%',
                    height : ((1 - jQuery(wrapper).find('.flexpaper_toolbar').height() / jQuery(root).parent().height()) * 100) + '%',
                }).addClass('flexpaper_viewer');
            }

            window['ViewerMode'] = 'flash';
            root.innerHTML = f.getHTML(opts, conf);

            if(conf.BottomToolbar && conf.AnnotationToolsVisible!=false){
                jQuery.get(conf.BottomToolbar,function(toolbarData){
                    wrapper.append(toolbarData);
                    
                    jQuery(root).css({
                        height : jQuery(root).height() - jQuery(wrapper).find('.flexpaper_bottomToolbar').height()
                    });
                });
            }

            if(conf.Toolbar){
                // initialize event handlers for flash
                jQuery.getScript(conf.jsDirectory+'flexpaper_flashhandlers_htmlui.js', function() {
                    FLEXPAPER.bindFlashEventHandlers(root);
                });
            }

            root.firstChild["dispose"] = function(){
                if(conf.Toolbar){
                    jQuery($FlexPaper('documentViewer')).parent().parent().remove();
                }else{
                    $FlexPaper(viewerId).remove();
                }
            }

        // express install
        } else if ((conf.RenderingOrder.indexOf('flash') == 0) && opts.expressInstall && f.isSupported([6, 65])) {
            window['ViewerMode'] = 'flash';

            if(conf.Toolbar){
                var wrapper = jQuery(root).wrap("<div class='flexpaper_toolbar_wrapper' style='"+jQuery(root).attr('style')+"'></div>").parent();
                jQuery(root).css({
                    left : '0px',
                    top: '0px',
                    position : 'relative',
                    width : '100%',
                    height : ((1 - jQuery(wrapper).find('.flexpaper_toolbar').height() / jQuery(root).parent().height()) * 100) + '%',
                }).addClass('flexpaper_viewer');

                wrapper.prepend(jQuery(conf.Toolbar));
            }

            root.innerHTML = f.getHTML(extend(opts, {src: opts.expressInstall}), {
                MMredirectURL: location.href,
                MMplayerType: 'PlugIn',
                MMdoctitle: document.title
            });

            if(conf.BottomToolbar && conf.AnnotationToolsVisible!=false){
                jQuery.get(conf.BottomToolbar,function(toolbarData){
                    wrapper.append(toolbarData);
                    
                    jQuery(root).css({
                        height : jQuery(root).height() - jQuery(wrapper).find('.flexpaper_bottomToolbar').height()
                    });
                });
            }

            if(conf.Toolbar){
                // initialize event handlers for flash
                jQuery.getScript('/sites/visualisingadvocacy.org/themes/dbn/flexx/js/'+'flexpaper_flashhandlers_htmlui.js', function() {
                    FLEXPAPER.bindFlashEventHandlers(root);
                });
            }

            root.firstChild["dispose"] = function(){
                if(conf.Toolbar){
                    jQuery($FlexPaper('documentViewer')).parent().parent().remove();
                }else{
                    $FlexPaper(viewerId).remove();
                }
            }

        } else { //use html viewer or die


            window['ViewerMode'] = 'html';
            //jQuery.noConflict();
            console.log('hey its UPPPPP here');
            if(true){
                console.log('hey youre DOING fine');
                jQuery("#bookshowrow").html("");
                
            }else{
                // fail #2.1 custom content inside container
                if (!root.innerHTML.replace(/\s/g, '')) {
                    var pageHost = ((document.location.protocol == "https:") ? "https://" : "http://");
                    
                    root.innerHTML = 
                        "<h2>Your browser is not compatible with FlexPaper</h2>" + 
                        "<h3>Upgrade to a newer browser or download Adobe Flash Player 10 or higher.</h3>" + 
                        "<p>Click on the icon below to download the latest version of Adobe Flash" + 
                        "<a href='http://www.adobe.com/go/getflashplayer'><img src='" 
                                            + pageHost + "www.adobe.com/images/shared/download_buttons/get_flash_player.gif' alt='Get Adobe Flash player' /></a>";
                                                                                            
                    if (root.tagName == 'A') {  
                        root.onclick = function() {
                            location.href = URL;
                        };
                    }               
                }
                
                // onFail
                if (opts.onFail) {
                    var ret = opts.onFail.call(this);
                    if (typeof ret == 'string') { root.innerHTML = ret; }   
                }       
            }   
        }

        // bind a listener to the hash change event and change page if the user changes the page hash parameter
        jQuery(window).bind('hashchange',(function() {
            var page = FLEXPAPER.getLocationHashParameter('page');
            $FlexPaper(viewerId).gotoPage(page);
        }));
        
        // http://flowplayer.org/forum/8/18186#post-18593
        if (IE) {
            window[opts.id] = document.getElementById(opts.id);
        }

        // API methods for callback
        extend(this, {

            getRoot: function() {
                return root;
            },

            getOptions: function() {
                return opts;
            },


            getConf: function() {
                return conf;
            },

            getApi: function() {
                return root.firstChild;
            }

        });
    }

    // setup jquery support
    if (JQUERY) {
        jQuery.fn.flashembed = function(opts, conf) {
            return this.each(function() { 
                jQuery(this).data("flashembed", flashembed(this, opts, conf));
            });
        };

        jQuery.fn.FlexPaperViewer = function(args){
            jQuery('#'+this.attr('id')).empty();

            var embed = new FlexPaperViewerEmbedding(this.attr('id'),args);
            this.element = jQuery('#'+embed.id);
            return this.element;
        };
    }else{
        throw new Error("jQuery missing!");
    }
})();
function getIEversion()
// Returns the version of Internet Explorer or a -1
// (indicating the use of another browser).
{
    var rv = -1; // Return value assumes failure.
    if (navigator.appName == 'Microsoft Internet Explorer')
    {
        var ua = navigator.userAgent;
        var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
        if (re.exec(ua) != null)
            rv = parseFloat( RegExp.$1 );
    }
    return rv;
}

// Initializing PDFJS global object here, it case if we need to change/disable
// some PDF.js features, e.g. range requests
if (typeof PDFJS === 'undefined') {
    (typeof window !== 'undefined' ? window : this).PDFJS = {};
}

window.unsupportedPDFJSieversion = getIEversion()>0 && getIEversion()<=9;
// Checking if the typed arrays are supported
(function checkTypedArrayCompatibility() {
    if (typeof Uint8Array !== 'undefined') {
        // some mobile versions do not support subarray (e.g. safari 5 / iOS)
        if (typeof Uint8Array.prototype.subarray === 'undefined') {
            Uint8Array.prototype.subarray = function subarray(start, end) {
                return new Uint8Array(this.slice(start, end));
            };
            Float32Array.prototype.subarray = function subarray(start, end) {
                return new Float32Array(this.slice(start, end));
            };
        }

        // some mobile version might not support Float64Array
        if (typeof Float64Array === 'undefined') {
            window.Float64Array = Float32Array;
        }
        return;
    }

    function subarray(start, end) {
        return new TypedArray(this.slice(start, end));
    }

    function setArrayOffset(array, offset) {
        if (arguments.length < 2) {
            offset = 0;
        }
        for (var i = 0, n = array.length; i < n; ++i, ++offset) {
            this[offset] = array[i] & 0xFF;
        }
    }

    function TypedArray(arg1) {
        var result;
        if (typeof arg1 === 'number') {
            result = [];
            for (var i = 0; i < arg1; ++i) {
                result[i] = 0;
            }
        } else if ('slice' in arg1) {
            result = arg1.slice(0);
        } else {
            result = [];
            for (var i = 0, n = arg1.length; i < n; ++i) {
                result[i] = arg1[i];
            }
        }

        result.subarray = subarray;
        result.buffer = result;
        result.byteLength = result.length;
        result.set = setArrayOffset;

        if (typeof arg1 === 'object' && arg1.buffer) {
            result.buffer = arg1.buffer;
        }
        return result;
    }

    window.Uint8Array = TypedArray;
    window.Int8Array = TypedArray;

    // we don't need support for set, byteLength for 32-bit array
    // so we can use the TypedArray as well
    window.Uint32Array = TypedArray;
    window.Int32Array = TypedArray;
    window.Uint16Array = TypedArray;
    window.Float32Array = TypedArray;
    window.Float64Array = TypedArray;
})();

// URL = URL || webkitURL
(function normalizeURLObject() {
    if (!window.URL) {
        window.URL = window.webkitURL;
    }
})();

// Object.create() ?
(function checkObjectCreateCompatibility() {
    if (typeof Object.create !== 'undefined') {
        return;
    }

    Object.create = function objectCreate(proto) {
        function Constructor() {}
        Constructor.prototype = proto;
        return new Constructor();
    };
})();

// Object.defineProperty() ?
(function checkObjectDefinePropertyCompatibility() {
    if (typeof Object.defineProperty !== 'undefined') {
        var definePropertyPossible = true;
        try {
            // some browsers (e.g. safari) cannot use defineProperty() on DOM objects
            // and thus the native version is not sufficient
            Object.defineProperty(new Image(), 'id', { value: 'test' });
            // ... another test for android gb browser for non-DOM objects
//            var Test = function Test() {};
//            Test.prototype = { get id() { } };
//            Object.defineProperty(new Test(), 'id',
//                { value: '', configurable: true, enumerable: true, writable: false });

            eval("var Test = function Test() {};Test.prototype = { get id() { } };Object.defineProperty(new Test(), 'id',{ value: '', configurable: true, enumerable: true, writable: false });");
        } catch (e) {
            definePropertyPossible = false;
        }
        if (definePropertyPossible) {
            return;
        }
    }

    Object.defineProperty = function objectDefineProperty(obj, name, def) {
        if(window.unsupportedPDFJSieversion){return;}
        delete obj[name];
        if ('get' in def) {
            obj.__defineGetter__(name, def['get']);
        }
        if ('set' in def) {
            obj.__defineSetter__(name, def['set']);
        }
        if ('value' in def) {
            obj.__defineSetter__(name, function objectDefinePropertySetter(value) {
                this.__defineGetter__(name, function objectDefinePropertyGetter() {
                    return value;
                });
                return value;
            });
            obj[name] = def.value;
        }
    };
})();

// Object.keys() ?
(function checkObjectKeysCompatibility() {
    if (typeof Object.keys !== 'undefined') {
        return;
    }

    Object.keys = function objectKeys(obj) {
        var result = [];
        for (var i in obj) {
            if (obj.hasOwnProperty(i)) {
                result.push(i);
            }
        }
        return result;
    };
})();

// No readAsArrayBuffer ?
(function checkFileReaderReadAsArrayBuffer() {
    if (typeof FileReader === 'undefined') {
        return; // FileReader is not implemented
    }
    var frPrototype = FileReader.prototype;
    // Older versions of Firefox might not have readAsArrayBuffer
    if ('readAsArrayBuffer' in frPrototype) {
        return; // readAsArrayBuffer is implemented
    }
    Object.defineProperty(frPrototype, 'readAsArrayBuffer', {
        value: function fileReaderReadAsArrayBuffer(blob) {
            var fileReader = new FileReader();
            var originalReader = this;
            fileReader.onload = function fileReaderOnload(evt) {
                var data = evt.target.result;
                var buffer = new ArrayBuffer(data.length);
                var uint8Array = new Uint8Array(buffer);

                for (var i = 0, ii = data.length; i < ii; i++) {
                    uint8Array[i] = data.charCodeAt(i);
                }

                Object.defineProperty(originalReader, 'result', {
                    value: buffer,
                    enumerable: true,
                    writable: false,
                    configurable: true
                });

                var event = document.createEvent('HTMLEvents');
                event.initEvent('load', false, false);
                originalReader.dispatchEvent(event);
            };
            fileReader.readAsBinaryString(blob);
        }
    });
})();

// No XMLHttpRequest.response ?
(function checkXMLHttpRequestResponseCompatibility() {
    if(window.unsupportedPDFJSieversion){return;}

    var xhrPrototype = XMLHttpRequest.prototype;
    if (!('overrideMimeType' in xhrPrototype)) {
        // IE10 might have response, but not overrideMimeType
        Object.defineProperty(xhrPrototype, 'overrideMimeType', {
            value: function xmlHttpRequestOverrideMimeType(mimeType) {}
        });
    }
    if ('response' in xhrPrototype ||
        'mozResponseArrayBuffer' in xhrPrototype ||
        'mozResponse' in xhrPrototype ||
        'responseArrayBuffer' in xhrPrototype) {
        return;
    }
    // IE9 ?
    if (typeof VBArray !== 'undefined') {
        Object.defineProperty(xhrPrototype, 'response', {
            get: function xmlHttpRequestResponseGet() {
                return new Uint8Array(new VBArray(this.responseBody).toArray());
            }
        });
        return;
    }

    // other browsers
    function responseTypeSetter() {
        // will be only called to set "arraybuffer"
        this.overrideMimeType('text/plain; charset=x-user-defined');
    }
    if (typeof xhrPrototype.overrideMimeType === 'function') {
        Object.defineProperty(xhrPrototype, 'responseType',
            { set: responseTypeSetter });
    }
    function responseGetter() {
        var text = this.responseText;
        var i, n = text.length;
        var result = new Uint8Array(n);
        for (i = 0; i < n; ++i) {
            result[i] = text.charCodeAt(i) & 0xFF;
        }
        return result;
    }
    Object.defineProperty(xhrPrototype, 'response', { get: responseGetter });
})();

// window.btoa (base64 encode function) ?
(function checkWindowBtoaCompatibility() {
    if ('btoa' in window) {
        return;
    }

    var digits =
        'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';

    window.btoa = function windowBtoa(chars) {
        var buffer = '';
        var i, n;
        for (i = 0, n = chars.length; i < n; i += 3) {
            var b1 = chars.charCodeAt(i) & 0xFF;
            var b2 = chars.charCodeAt(i + 1) & 0xFF;
            var b3 = chars.charCodeAt(i + 2) & 0xFF;
            var d1 = b1 >> 2, d2 = ((b1 & 3) << 4) | (b2 >> 4);
            var d3 = i + 1 < n ? ((b2 & 0xF) << 2) | (b3 >> 6) : 64;
            var d4 = i + 2 < n ? (b3 & 0x3F) : 64;
            buffer += (digits.charAt(d1) + digits.charAt(d2) +
                digits.charAt(d3) + digits.charAt(d4));
        }
        return buffer;
    };
})();

// window.atob (base64 encode function) ?
(function checkWindowAtobCompatibility() {
    if ('atob' in window) {
        return;
    }

    // https://github.com/davidchambers/Base64.js
    var digits =
        'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
    window.atob = function (input) {
        input = input.replace(/=+$/, '');
        if (input.length % 4 == 1) {
            throw new Error('bad atob input');
        }
        for (
            // initialize result and counters
            var bc = 0, bs, buffer, idx = 0, output = '';
            // get next character
            buffer = input.charAt(idx++);
            // character found in table?
            // initialize bit storage and add its ascii value
            ~buffer && (bs = bc % 4 ? bs * 64 + buffer : buffer,
                // and if not first of each 4 characters,
                // convert the first 8 bits to one ascii character
                bc++ % 4) ? output += String.fromCharCode(255 & bs >> (-2 * bc & 6)) : 0
            ) {
            // try to find character in table (0-63, not found => -1)
            buffer = digits.indexOf(buffer);
        }
        return output;
    };
})();

// Function.prototype.bind ?
(function checkFunctionPrototypeBindCompatibility() {
    if (typeof Function.prototype.bind !== 'undefined') {
        return;
    }

    Function.prototype.bind = function functionPrototypeBind(obj) {
        var fn = this, headArgs = Array.prototype.slice.call(arguments, 1);
        var bound = function functionPrototypeBindBound() {
            var args = headArgs.concat(Array.prototype.slice.call(arguments));
            return fn.apply(obj, args);
        };
        return bound;
    };
})();

// HTMLElement dataset property
(function checkDatasetProperty() {
    if(window.unsupportedPDFJSieversion){return;}
    var div = document.createElement('div');
    if ('dataset' in div) {
        return; // dataset property exists
    }

    Object.defineProperty(HTMLElement.prototype, 'dataset', {
        get: function() {
            if (this._dataset) {
                return this._dataset;
            }

            var dataset = {};
            for (var j = 0, jj = this.attributes.length; j < jj; j++) {
                var attribute = this.attributes[j];
                if (attribute.name.substring(0, 5) != 'data-') {
                    continue;
                }
                var key = attribute.name.substring(5).replace(/\-([a-z])/g,
                    function(all, ch) {
                        return ch.toUpperCase();
                    });
                dataset[key] = attribute.value;
            }

            Object.defineProperty(this, '_dataset', {
                value: dataset,
                writable: false,
                enumerable: false
            });
            return dataset;
        },
        enumerable: true
    });
})();

// HTMLElement classList property
(function checkClassListProperty() {
    if(window.unsupportedPDFJSieversion){return;}
    var div = document.createElement('div');
    if ('classList' in div) {
        return; // classList property exists
    }

    function changeList(element, itemName, add, remove) {
        var s = element.className || '';
        var list = s.split(/\s+/g);
        if (list[0] === '') {
            list.shift();
        }
        var index = list.indexOf(itemName);
        if (index < 0 && add) {
            list.push(itemName);
        }
        if (index >= 0 && remove) {
            list.splice(index, 1);
        }
        element.className = list.join(' ');
        return (index >= 0);
    }

    var classListPrototype = {
        add: function(name) {
            changeList(this.element, name, true, false);
        },
        contains: function(name) {
            return changeList(this.element, name, false, false);
        },
        remove: function(name) {
            changeList(this.element, name, false, true);
        },
        toggle: function(name) {
            changeList(this.element, name, true, true);
        }
    };

    Object.defineProperty(HTMLElement.prototype, 'classList', {
        get: function() {
            if (this._classList) {
                return this._classList;
            }

            var classList = Object.create(classListPrototype, {
                element: {
                    value: this,
                    writable: false,
                    enumerable: true
                }
            });
            Object.defineProperty(this, '_classList', {
                value: classList,
                writable: false,
                enumerable: false
            });
            return classList;
        },
        enumerable: true
    });
})();

// Check console compatibility
(function checkConsoleCompatibility() {
    if (!('console' in window)) {
        window.console = {
            log: function() {},
            error: function() {},
            warn: function() {}
        };
    } else if (!window.unsupportedPDFJSieversion && !('bind' in console.log)) {
        try{
            // native functions in IE9 might not have bind
            console.log = (function(fn) {
                return function(msg) { return fn(msg); };
            })(console.log);
            console.error = (function(fn) {
                return function(msg) { return fn(msg); };
            })(console.error);
        }catch(e){
            console.log = (function(fn) {
                return function(msg) { return fn(msg); };
            })(console.log);
            console.error = (function(fn) {
                return function(msg) { return fn(msg); };
            })(console.error);
        }
    }
})();

// Check onclick compatibility in Opera
(function checkOnClickCompatibility() {
    // workaround for reported Opera bug DSK-354448:
    // onclick fires on disabled buttons with opaque content
    function ignoreIfTargetDisabled(event) {
        if (isDisabled(event.target)) {
            event.stopPropagation();
        }
    }
    function isDisabled(node) {
        return node.disabled || (node.parentNode && isDisabled(node.parentNode));
    }
    if (navigator.userAgent.indexOf('Opera') != -1) {
        // use browser detection since we cannot feature-check this bug
        document.addEventListener('click', ignoreIfTargetDisabled, true);
    }
})();

// Checks if possible to use URL.createObjectURL()
(function checkOnBlobSupport() {
    // sometimes IE loosing the data created with createObjectURL(), see #3977
    if (navigator.userAgent.indexOf('Trident') >= 0) {
        PDFJS.disableCreateObjectURL = true;
    }
})();

// Checks if navigator.language is supported
(function checkNavigatorLanguage() {
    if(window.unsupportedPDFJSieversion){return;}
    if ('language' in navigator &&
        /^[a-z]+(-[A-Z]+)?$/.test(navigator.language)) {
        return;
    }
    function formatLocale(locale) {
        var split = locale.split(/[-_]/);
        split[0] = split[0].toLowerCase();
        if (split.length > 1) {
            split[1] = split[1].toUpperCase();
        }
        return split.join('-');
    }
    var language = navigator.language || navigator.userLanguage || 'en-US';
    PDFJS.locale = formatLocale(language);
})();

(function checkRangeRequests() {
    // Safari has issues with cached range requests see:
    // https://github.com/mozilla/pdf.js/issues/3260
    // Last tested with version 6.0.4.
    var isSafari = Object.prototype.toString.call(
        window.HTMLElement).indexOf('Constructor') > 0;

    // Older versions of Android (pre 3.0) has issues with range requests, see:
    // https://github.com/mozilla/pdf.js/issues/3381.
    // Make sure that we only match webkit-based Android browsers,
    // since Firefox/Fennec works as expected.
    var regex = /Android\s[0-2][^\d]/;
    var isOldAndroid = regex.test(navigator.userAgent);

    if (isSafari || isOldAndroid) {
        PDFJS.disableRange = true;
    }
})();

// Check if the browser supports manipulation of the history.
(function checkHistoryManipulation() {
    if (!window.history.pushState) {
        PDFJS.disableHistory = true;
    }
})();

(function checkSetPresenceInImageData() {
    if (window.CanvasPixelArray) {
        if (typeof window.CanvasPixelArray.prototype.set !== 'function') {
            window.CanvasPixelArray.prototype.set = function(arr) {
                for (var i = 0, ii = this.length; i < ii; i++) {
                    this[i] = arr[i];
                }
            };
        }
    }
})();

(function checkStorages() {
    // Feature test as per http://diveintohtml5.info/storage.html
    // The additional localStorage call is to get around a FF quirk, see
    // bug #495747 in bugzilla
    try {
        if ('localStorage' in window && window['localStorage'] !== null) {
            return;
        }
    } catch (e) { }
    window.localStorage = {
        data: Object.create(null),
        getItem: function (key) {
            return this.data[key];
        },
        setItem: function (key, value) {
            this.data[key] = value;
        }
    };
})();