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a=this.spinePos+1;this.spine[a]&&this.spine[a].linear&&"no"==this.spine[a].linear;)a++;if(a<this.spine.length-1)return this.spinePos=a,this.displayChapter(this.spinePos);this.trigger("book:atEnd")}else this.trigger("book:atEnd")},EPUBJS.Book.prototype.prevChapter=function(){if(this.spinePos>0){for(var a=this.spinePos-1;this.spine[a]&&this.spine[a].linear&&"no"==this.spine[a].linear;)a--;if(a>=0)return this.spinePos=a,this.displayChapter(this.spinePos,!0);this.trigger("book:atStart")}else this.trigger("book:atStart")},EPUBJS.Book.prototype.getCurrentLocationCfi=function(){return this.isRendered?this.renderer.currentLocationCfi:!1},EPUBJS.Book.prototype.goto=function(a){return 0===a.indexOf("epubcfi(")?this.gotoCfi(a):a.indexOf("%")===a.length-1?this.gotoPercentage(parseInt(a.substring(0,a.length-1))/100):"number"==typeof a||isNaN(a)===!1?this.gotoPage(a):this.gotoHref(a)},EPUBJS.Book.prototype.gotoCfi=function(a,b){var c,d,e,f=b||new RSVP.defer;return this.isRendered?this._moving?(this._gotoQ.enqueue("gotoCfi",[a,f]),!1):(c=new EPUBJS.EpubCFI(a),d=c.spinePos,-1==d?!1:(e=this.spine[d],promise=f.promise,this._moving=!0,this.currentChapter&&this.spinePos===d?(this.renderer.gotoCfi(c),this._moving=!1,f.resolve(this.renderer.currentLocationCfi)):(e&&-1!=d||(d=0,e=this.spine[d]),this.currentChapter=new EPUBJS.Chapter(e,this.store),this.currentChapter&&(this.spinePos=d,render=this.renderer.displayChapter(this.currentChapter,this.globalLayoutProperties),render.then(function(a){a.gotoCfi(c),this._moving=!1,f.resolve(a.currentLocationCfi)}.bind(this)))),promise.then(function(){this._gotoQ.dequeue()}.bind(this)),promise)):(this.settings.previousLocationCfi=a,!1)},EPUBJS.Book.prototype.gotoHref=function(a,b){var c,d,e,f,g=b||new RSVP.defer;return this.isRendered?this._moving?(this._gotoQ.enqueue("gotoHref",[a,g]),!1):(c=a.split("#"),d=c[0],e=c[1]||!1,f=this.spineIndexByURL[d],d||(f=this.currentChapter?this.currentChapter.spinePos:0),"number"!=typeof f?!1:this.currentChapter&&f==this.currentChapter.spinePos?(e&&this.renderer.section(e),g.resolve(this.renderer.currentLocationCfi),g.promise.then(function(){this._gotoQ.dequeue()}.bind(this)),g.promise):this.displayChapter(f).then(function(){e&&this.renderer.section(e),g.resolve(this.renderer.currentLocationCfi)}.bind(this))):(this.settings.goto=a,!1)},EPUBJS.Book.prototype.gotoPage=function(a){var b=this.pagination.cfiFromPage(a);return this.gotoCfi(b)},EPUBJS.Book.prototype.gotoPercentage=function(a){var b=this.pagination.pageFromPercentage(a);return this.gotoPage(b)},EPUBJS.Book.prototype.preloadNextChapter=function(){var a,b=this.spinePos+1;return b>=this.spine.length?!1:(a=new EPUBJS.Chapter(this.spine[b]),void(a&&EPUBJS.core.request(a.absolute)))},EPUBJS.Book.prototype.storeOffline=function(){var a=this,b=_.values(this.manifest);return EPUBJS.storage.batch(b).then(function(){a.settings.stored=!0,a.trigger("book:stored")})},EPUBJS.Book.prototype.availableOffline=function(){return this.settings.stored>0?!0:!1},EPUBJS.Book.prototype.setStyle=function(a,b,c){return this.isRendered?(this.settings.styles[a]=b,this.renderer.setStyle(a,b,c),void this.renderer.reformat()):this._q.enqueue("setStyle",arguments)},EPUBJS.Book.prototype.removeStyle=function(a){return this.isRendered?(this.renderer.removeStyle(a),this.renderer.reformat(),void delete this.settings.styles[a]):this._q.enqueue("removeStyle",arguments)},EPUBJS.Book.prototype.addHeadTag=function(a,b){return this.isRendered?void(this.settings.headTags[a]=b):this._q.enqueue("addHeadTag",arguments)},EPUBJS.Book.prototype.useSpreads=function(a){console.warn("useSpreads is deprecated, use forceSingle or set a layoutOveride instead"),this.forceSingle(a===!1?!0:!1)},EPUBJS.Book.prototype.forceSingle=function(a){this.renderer.forceSingle(a),this.isRendered&&this.renderer.reformat()},EPUBJS.Book.prototype.unload=function(){this.settings.restore&&localStorage&&this.saveContents(),this.unlistenToRenderer(this.renderer),this.trigger("book:unload")},EPUBJS.Book.prototype.destroy=function(){window.removeEventListener("beforeunload",this.unload),this.currentChapter&&this.currentChapter.unload(),this.unload(),this.render&&this.render.remove()},EPUBJS.Book.prototype._ready=function(){this.trigger("book:ready")},EPUBJS.Book.prototype._rendered=function(){this.isRendered=!0,this.trigger("book:rendered"),this._q.flush()},EPUBJS.Book.prototype.applyStyles=function(a){return this.isRendered?(this.renderer.applyStyles(this.settings.styles),void a()):this._q.enqueue("applyStyles",arguments)},EPUBJS.Book.prototype.applyHeadTags=function(a){return 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c?(this.tempUrl||(this.tempUrl=c.getUrl(this.absolute)),this.tempUrl):(b.resolve(this.absolute),b.promise)},EPUBJS.Chapter.prototype.setPages=function(a){this.pages=a},EPUBJS.Chapter.prototype.getPages=function(){return this.pages},EPUBJS.Chapter.prototype.getID=function(){return this.ID},EPUBJS.Chapter.prototype.unload=function(a){this.tempUrl&&a&&(a.revokeUrl(this.tempUrl),this.tempUrl=!1)};var EPUBJS=EPUBJS||{};EPUBJS.core={},EPUBJS.core.getEl=function(a){return document.getElementById(a)},EPUBJS.core.getEls=function(a){return document.getElementsByClassName(a)},EPUBJS.core.request=function(a,b,c){function d(){if(this.readyState===this.DONE)if(200===this.status||this.responseXML){var a;a="xml"==b?this.responseXML:"json"==b?JSON.parse(this.response):"blob"==b?e?this.response:new Blob([this.response]):this.response,g.resolve(a)}else g.reject({message:this.response,stack:(new Error).stack})}var e=window.URL,f=e?"blob":"arraybuffer",g=new RSVP.defer,h=new XMLHttpRequest,i=XMLHttpRequest.prototype;return"overrideMimeType"in i||Object.defineProperty(i,"overrideMimeType",{value:function(){}}),c&&(h.withCredentials=!0),h.open("GET",a,!0),h.onreadystatechange=d,"blob"==b&&(h.responseType=f),"json"==b&&h.setRequestHeader("Accept","application/json"),"xml"==b&&h.overrideMimeType("text/xml"),h.send(),g.promise},EPUBJS.core.toArray=function(a){var b=[];for(var c in a){var d;a.hasOwnProperty(c)&&(d=a[c],d.ident=c,b.push(d))}return b},EPUBJS.core.uri=function(a){var 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document.body.style[a])return a;for(var e=0;d>e;e++)if("undefined"!=typeof document.body.style[b[e]+c])return b[e]+c;return a},EPUBJS.core.resolveUrl=function(a,b){var c,d,e=[],f=EPUBJS.core.uri(b),g=a.split("/");return f.host?b:(g.pop(),d=b.split("/"),d.forEach(function(a){".."===a?g.pop():e.push(a)}),c=g.concat(e),c.join("/"))},EPUBJS.core.uuid=function(){var a=(new Date).getTime(),b="xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g,function(b){var c=(a+16*Math.random())%16|0;return a=Math.floor(a/16),("x"==b?c:7&c|8).toString(16)});return b},EPUBJS.core.insert=function(a,b,c){var d=EPUBJS.core.locationOf(a,b,c);return b.splice(d,0,a),d},EPUBJS.core.locationOf=function(a,b,c,d,e){var f,g=d||0,h=e||b.length,i=parseInt(g+(h-g)/2);return c||(c=function(a,b){return a>b?1:b>a?-1:(a=b)?0:void 0}),0>=h-g?i:(f=c(b[i],a),h-g===1?f>0?i:i+1:0===f?i:-1===f?EPUBJS.core.locationOf(a,b,c,i,h):EPUBJS.core.locationOf(a,b,c,g,i))},EPUBJS.core.indexOfSorted=function(a,b,c,d,e){var f,g=d||0,h=e||b.length,i=parseInt(g+(h-g)/2);return c||(c=function(a,b){return a>b?1:b>a?-1:(a=b)?0:void 0}),0>=h-g?-1:(f=c(b[i],a),h-g===1?0===f?i:-1:0===f?i:-1===f?EPUBJS.core.indexOfSorted(a,b,c,i,h):EPUBJS.core.indexOfSorted(a,b,c,g,i))},EPUBJS.core.queue=function(a){var b=[],c=a,d=function(a,c,d){return b.push({funcName:a,args:c,context:d}),b},e=function(){var a;b.length&&(a=b.shift(),setTimeout(function(){c[a.funcName].apply(a.context||c,a.args)},0))},f=function(){for(;b.length;)e()},g=function(){b=[]};return{enqueue:d,dequeue:e,flush:f,clear:g}},EPUBJS.EpubCFI=function(a){return a?this.parse(a):void 0},EPUBJS.EpubCFI.prototype.generateChapterComponent=function(a,b,c){var d=parseInt(b),e=a+1,f="/"+e+"/";return f+=2*(d+1),c&&(f+="["+c+"]"),f},EPUBJS.EpubCFI.prototype.generatePathComponent=function(a){var b=[];return a.forEach(function(a){var c="";c+=2*(a.index+1),a.id&&(c+="["+a.id+"]"),b.push(c)}),b.join("/")},EPUBJS.EpubCFI.prototype.generateCfiFromElement=function(a,b){var c=this.pathTo(a),d=this.generatePathComponent(c);return d.length?"epubcfi("+b+"!"+d+"/1:0)":"epubcfi("+b+"!/4/)"},EPUBJS.EpubCFI.prototype.pathTo=function(a){for(var b,c=[];a&&null!==a.parentNode&&9!=a.parentNode.nodeType;)b=a.parentNode.children,c.unshift({id:a.id,tagName:a.tagName,index:b?Array.prototype.indexOf.call(b,a):0}),a=a.parentNode;return c},EPUBJS.EpubCFI.prototype.getChapterComponent=function(a){var b=a.split("!");return b[0]},EPUBJS.EpubCFI.prototype.getPathComponent=function(a){var b=a.split("!"),c=b[1]?b[1].split(":"):"";return c[0]},EPUBJS.EpubCFI.prototype.getCharecterOffsetComponent=function(a){var b=a.split(":");return b[1]||""},EPUBJS.EpubCFI.prototype.parse=function(a){var b,c,d,e,f,g,h,i,j,k={},l=function(a){var b,c,d,e;return b="element",c=parseInt(a)/2-1,d=a.match(/\[(.*)\]/),d&&d[1]&&(e=d[1]),{type:b,index:c,id:e||!1}};return"string"!=typeof a?{spinePos:-1}:(k.str=a,0===a.indexOf("epubcfi(")&&(a=a.slice(8,a.length-1)),c=this.getChapterComponent(a),d=this.getPathComponent(a)||"",e=this.getCharecterOffsetComponent(a),c&&(b=c.split("/")[2]||"")?(k.spinePos=parseInt(b)/2-1||0,g=b.match(/\[(.*)\]/),k.spineId=g?g[1]:!1,-1!=d.indexOf(",")&&console.warn("CFI Ranges are not supported"),h=d.split("/"),i=h.pop(),k.steps=[],h.forEach(function(a){var b;a&&(b=l(a),k.steps.push(b))}),j=parseInt(i),isNaN(j)||k.steps.push(j%2===0?l(i):{type:"text",index:parseInt(i)-1}),f=e.match(/\[(.*)\]/),f&&f[1]?(k.characterOffset=parseInt(e.split("[")[0]),k.textLocationAssertion=f[1]):k.characterOffset=parseInt(e),k):{spinePos:-1})},EPUBJS.EpubCFI.prototype.addMarker=function(a,b,c){var d,e,f,g,h=b||document,i=c||this.createMarker(h);return"string"==typeof a&&(a=this.parse(a)),e=a.steps[a.steps.length-1],-1===a.spinePos?!1:(d=this.findParent(a,h))?(e&&"text"===e.type?(f=d.childNodes[e.index],a.characterOffset?(g=f.splitText(a.characterOffset),i.classList.add("EPUBJS-CFI-SPLIT"),d.insertBefore(i,g)):d.insertBefore(i,f)):d.insertBefore(i,d.firstChild),i):!1},EPUBJS.EpubCFI.prototype.createMarker=function(a){var b=a||document,c=b.createElement("span");return c.id="EPUBJS-CFI-MARKER:"+EPUBJS.core.uuid(),c.classList.add("EPUBJS-CFI-MARKER"),c},EPUBJS.EpubCFI.prototype.removeMarker=function(a,b){a.classList.contains("EPUBJS-CFI-SPLIT")?(nextSib=a.nextSibling,prevSib=a.previousSibling,nextSib&&prevSib&&3===nextSib.nodeType&&3===prevSib.nodeType&&(prevSib.textContent+=nextSib.textContent,a.parentElement.removeChild(nextSib)),a.parentElement.removeChild(a)):a.classList.contains("EPUBJS-CFI-MARKER")&&a.parentElement.removeChild(a)},EPUBJS.EpubCFI.prototype.findParent=function(a,b){var c,d,e,f=b||document,g=f.getElementsByTagName("html")[0],h=Array.prototype.slice.call(g.children);if("string"==typeof a&&(a=this.parse(a)),d=a.steps.slice(0),!d.length)return f.getElementsByTagName("body")[0];for(;d&&d.length>0;){if(c=d.shift(),"text"===c.type?(e=g.childNodes[c.index],g=e.parentNode||g):g=c.id?f.getElementById(c.id):h[c.index],"undefined"==typeof g)return console.error("No Element For",c,a.str),!1;h=Array.prototype.slice.call(g.children)}return g},EPUBJS.EpubCFI.prototype.compare=function(a,b){if("string"==typeof a&&(a=new EPUBJS.EpubCFI(a)),"string"==typeof b&&(b=new EPUBJS.EpubCFI(b)),a.spinePos>b.spinePos)return 1;if(a.spinePos<b.spinePos)return-1;for(var c=0;c<a.steps.length;c++){if(!b.steps[c])return 1;if(a.steps[c].index>b.steps[c].index)return 1;if(a.steps[c].index<b.steps[c].index)return-1}return a.steps.length<b.steps.length?-1:a.characterOffset>b.characterOffset?1:a.characterOffset<b.characterOffset?-1:0},EPUBJS.EpubCFI.prototype.generateCfiFromHref=function(a,b){var c,d,e=EPUBJS.core.uri(a),f=e.path,g=e.fragment,h=b.spineIndexByURL[f],i=new RSVP.defer,j=new EPUBJS.EpubCFI;return"undefined"!=typeof h&&(d=b.spine[h],c=b.loadXml(d.url),c.then(function(a){var b,c=a.getElementById(g);b=j.generateCfiFromElement(c,d.cfiBase),i.resolve(b)})),i.promise},EPUBJS.EpubCFI.prototype.generateCfiFromTextNode=function(a,b,c){var d=a.parentElement,e=this.pathTo(d),f=this.generatePathComponent(e),g=[].slice.apply(d.childNodes).indexOf(a)+1;return"epubcfi("+c+"!"+f+"/"+g+":"+(b||0)+")"},EPUBJS.EpubCFI.prototype.generateCfiFromRangeAnchor=function(a,b){var c=a.anchorNode,d=a.anchorOffset;return this.generateCfiFromTextNode(c,d,b)},EPUBJS.Events=function(a,b){return 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