//For source code and license information please check https://github.com/majestrate/nntpchan 


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*;(.|\s)*/,"")];this.errors++;return{inputJax:(h||{id:"Error"}).id,outputJax:"Error",inputID:"MathJax-Error-"+this.errors,sourceMenuTitle:["ErrorMessage","Error Message"],sourceMenuFormat:"Error",originalText:MathJax.HTML.getScript(i),errorText:j}}};b.InputJax.Error={id:"Error",version:"2.6.0",config:{},sourceMenuTitle:["Original","Original Form"]}})("MathJax");(function(o){var h=window[o];if(!h){h=window[o]={}}var d=h.Hub;var s=d.Startup;var w=d.config;var g=document.head||(document.getElementsByTagName("head")[0]);if(!g){g=document.childNodes[0]}var b=(document.documentElement||document).getElementsByTagName("script");if(b.length===0&&g.namespaceURI){b=document.getElementsByTagNameNS(g.namespaceURI,"script")}var f=new RegExp("(^|/)"+o+"\\.js(\\?.*)?$");for(var q=b.length-1;q>=0;q--){if((b[q].src||"").match(f)){s.script=b[q].innerHTML;if(RegExp.$2){var t=RegExp.$2.substr(1).split(/\&/);for(var p=0,l=t.length;p<l;p++){var n=t[p].match(/(.*)=(.*)/);if(n){s.params[unescape(n[1])]=unescape(n[2])}}}w.root=b[q].src.replace(/(^|\/)[^\/]*(\?.*)?$/,"").replace(/^(https?:\/\/cdn.mathjax.org\/mathjax\/)(latest)/,"$1"+h.version.split(/\./).slice(0,2).join(".")+"-$2");h.Ajax.config.root=w.root;break}}var k=navigator.userAgent;var a={isMac:(navigator.platform.substr(0,3)==="Mac"),isPC:(navigator.platform.substr(0,3)==="Win"),isMSIE:("ActiveXObject"in window&&"clipboardData"in window),isEdge:("MSGestureEvent"in window&&"chrome"in window&&window.chrome.loadTimes==null),isFirefox:(!!k.match(/Gecko\//)&&!k.match(/like Gecko/)),isSafari:(!!k.match(/ (Apple)?WebKit\//)&&!k.match(/ like iPhone /)&&(!window.chrome||window.chrome.app==null)),isChrome:("chrome"in window&&window.chrome.loadTimes!=null),isOpera:("opera"in window&&window.opera.version!=null),isKonqueror:("konqueror"in window&&navigator.vendor=="KDE"),versionAtLeast:function(y){var x=(this.version).split(".");y=(new String(y)).split(".");for(var z=0,j=y.length;z<j;z++){if(x[z]!=y[z]){return parseInt(x[z]||"0")>=parseInt(y[z])}}return true},Select:function(j){var i=j[d.Browser];if(i){return i(d.Browser)}return null}};var e=k.replace(/^Mozilla\/(\d+\.)+\d+ /,"").replace(/[a-z][-a-z0-9._: ]+\/\d+[^ ]*-[^ ]*\.([a-z][a-z])?\d+ /i,"").replace(/Gentoo |Ubuntu\/(\d+\.)*\d+ (\([^)]*\) )?/,"");d.Browser=d.Insert(d.Insert(new String("Unknown"),{version:"0.0"}),a);for(var v in a){if(a.hasOwnProperty(v)){if(a[v]&&v.substr(0,2)==="is"){v=v.slice(2);if(v==="Mac"||v==="PC"){continue}d.Browser=d.Insert(new String(v),a);var r=new RegExp(".*(Version/| Trident/.*; rv:)((?:\\d+\\.)+\\d+)|.*("+v+")"+(v=="MSIE"?" ":"/")+"((?:\\d+\\.)*\\d+)|(?:^|\\(| )([a-z][-a-z0-9._: ]+|(?:Apple)?WebKit)/((?:\\d+\\.)+\\d+)");var u=r.exec(e)||["","","","unknown","0.0"];d.Browser.name=(u[1]!=""?v:(u[3]||u[5]));d.Browser.version=u[2]||u[4]||u[6];break}}}try{d.Browser.Select({Safari:function(j){var i=parseInt((String(j.version).split("."))[0]);if(i>85){j.webkit=j.version}if(i>=538){j.version="8.0"}else{if(i>=537){j.version="7.0"}else{if(i>=536){j.version="6.0"}else{if(i>=534){j.version="5.1"}else{if(i>=533){j.version="5.0"}else{if(i>=526){j.version="4.0"}else{if(i>=525){j.version="3.1"}else{if(i>500){j.version="3.0"}else{if(i>400){j.version="2.0"}else{if(i>85){j.version="1.0"}}}}}}}}}}j.webkit=(navigator.appVersion.match(/WebKit\/(\d+)\./))[1];j.isMobile=(navigator.appVersion.match(/Mobile/i)!=null);j.noContextMenu=j.isMobile},Firefox:function(j){if((j.version==="0.0"||k.match(/Firefox/)==null)&&navigator.product==="Gecko"){var m=k.match(/[\/ ]rv:(\d+\.\d.*?)[\) ]/);if(m){j.version=m[1]}else{var i=(navigator.buildID||navigator.productSub||"0").substr(0,8);if(i>="20111220"){j.version="9.0"}else{if(i>="20111120"){j.version="8.0"}else{if(i>="20110927"){j.version="7.0"}else{if(i>="20110816"){j.version="6.0"}else{if(i>="20110621"){j.version="5.0"}else{if(i>="20110320"){j.version="4.0"}else{if(i>="20100121"){j.version="3.6"}else{if(i>="20090630"){j.version="3.5"}else{if(i>="20080617"){j.version="3.0"}else{if(i>="20061024"){j.version="2.0"}}}}}}}}}}}}j.isMobile=(navigator.appVersion.match(/Android/i)!=null||k.match(/ Fennec\//)!=null||k.match(/Mobile/)!=null)},Chrome:function(i){i.noContextMenu=i.isMobile=!!navigator.userAgent.match(/ Mobile[ \/]/)},Opera:function(i){i.version=opera.version()},Edge:function(i){i.isMobile=!!navigator.userAgent.match(/ Phone/)},MSIE:function(j){j.isMobile=!!navigator.userAgent.match(/ Phone/);j.isIE9=!!(document.documentMode&&(window.performance||window.msPerformance));MathJax.HTML.setScriptBug=!j.isIE9||document.documentMode<9;MathJax.Hub.msieHTMLCollectionBug=(document.documentMode<9);if(document.documentMode<10&&!s.params.NoMathPlayer){try{new ActiveXObject("MathPlayer.Factory.1");j.hasMathPlayer=true}catch(m){}try{if(j.hasMathPlayer){var i=document.createElement("object");i.id="mathplayer";i.classid="clsid:32F66A20-7614-11D4-BD11-00104BD3F987";g.appendChild(i);document.namespaces.add("m","http://www.w3.org/1998/Math/MathML");j.mpNamespace=true;if(document.readyState&&(document.readyState==="loading"||document.readyState==="interactive")){document.write('<?import namespace="m" implementation="#MathPlayer">');j.mpImported=true}}else{document.namespaces.add("mjx_IE_fix","http://www.w3.org/1999/xlink")}}catch(m){}}}})}catch(c){console.error(c.message)}d.Browser.Select(MathJax.Message.browsers);if(h.AuthorConfig&&typeof h.AuthorConfig.AuthorInit==="function"){h.AuthorConfig.AuthorInit()}d.queue=h.Callback.Queue();d.queue.Push(["Post",s.signal,"Begin"],["Config",s],["Cookie",s],["Styles",s],["Message",s],function(){var i=h.Callback.Queue(s.Jax(),s.Extensions());return i.Push({})},["Menu",s],s.onLoad(),function(){MathJax.isReady=true},["Typeset",s],["Hash",s],["MenuZoom",s],["Post",s.signal,"End"])})("MathJax")}};
/* ./contrib/js/api.js */
function nntpchan_apicall(url,handler,err_handler){var ajax=new XMLHttpRequest();ajax.onreadystatechange=function(){if(ajax.readyState==XMLHttpRequest.DONE){var status=ajax.status;var j=null;if(status==200){try{j=JSON.parse(ajax.responseText);}catch(e){}}else if(status==410){if(err_handler){err_handler("cannot fetch post: api disabled");}
return;}
handler(j);}};ajax.open("GET",url);ajax.send();}
function nntpchan_buildpost(parent,j){var post=document.createElement("div");if(j){post.innerHTML=j.PostMarkup;inject_hover_for_element(post);}else{post.setAttribute("class","notfound post");post.appendChild(document.createTextNode("post not found"));}
parent.appendChild(post);}
/* ./contrib/js/backlink.js */
function nntpchan_backlink(shorthash){var elem=document.getElementById("postform_message");if(elem)
{elem.value+=">>"+shorthash.substr(0,10)+"\n";}}
function inject_hover(prefix,el,parent){if(!prefix){throw"prefix is not defined";}
var linkhash=el.getAttribute("backlinkhash");if(!linkhash){throw"linkhash undefined";}
console.log("rewrite linkhash "+linkhash);var elem=document.createElement("span");elem.setAttribute("class","backlink_rewritten");elem.appendChild(document.createTextNode(">>"+linkhash.substr(0,10)));if(!parent){parent=el.parentNode;}
parent.removeChild(el);parent.appendChild(elem);elem.onclick=function(ev){if(parent.backlink){nntpchan_apicall(prefix+"api/find?hash="+linkhash,function(j){var wrapper=document.createElement("div");wrapper.setAttribute("class","hover "+linkhash);if(j==null){wrapper.setAttribute("class","hover notfound-hover "+linkhash);wrapper.appendChild(document.createTextNode("not found"));}else{nntpchan_buildpost(wrapper,j);}
parent.appendChild(wrapper);parent.backlink=false;},function(msg){var wrapper=document.createElement("div");wrapper.setAttribute("class","hover "+linkhash);wrapper.appendChild(document.createTextNode(msg));parent.appendChild(wrapper);parent.backlink=false;});}else{var elems=document.getElementsByClassName(linkhash);if(!elems)throw"bad state, no backlinks open?";for(var idx=0;idx<elems.length;idx++){elems[idx].parentNode.removeChild(elems[idx]);}
parent.backlink=true;}};parent.backlink=true;}
function inject_hover_for_element(elem){var elems=elem.getElementsByClassName("backlink");var ls=[];var l=elems.length;for(var idx=0;idx<l;idx++){var e=elems[idx];ls.push(e);}
for(var elem in ls){inject_hover(prefix,ls[elem]);}}
function init(prefix){inject_hover_for_element(document);}
/* ./contrib/js/banner.js */
var banner_count=3;function nntpchan_inject_banners(elem,prefix){var n=Math.floor(Math.random()*banner_count);var banner=prefix+"static/banner_"+n+".jpg";var e=document.createElement("img");e.src=banner;e.id="nntpchan_banner";elem.appendChild(e);}
/* ./contrib/js/expand-image.js */
function filenameIsImage(fname){return/\.(gif|jpeg|jpg|png|webp)/.test(fname);}
function setupInlineImage(thumb,url){if(thumb.inlineIsSetUp)return;thumb.inlineIsSetUp=true;var img=thumb.querySelector("img.thumbnail");var expanded=false;var oldurl=img.src;thumb.onclick=function(){if(expanded){img.setAttribute("class","thumbnail");img.src=oldurl;expanded=false;}else{img.setAttribute("class","expanded-thumbnail");img.src=url;expanded=true;}
return false;}}
function setupInlineImageIn(element){var thumbs=element.querySelectorAll("a.file");for(var i=0;i<thumbs.length;i++){var url=thumbs[i].href;if(filenameIsImage(url)){console.log("matched url",url);setupInlineImage(thumbs[i],url);}}}
onready(function(){setupInlineImageIn(document);if(window.MutationObserver){var observer=new MutationObserver(function(mutations){for(var i=0;i<mutations.length;i++){var additions=mutations[i].addedNodes;if(additions==null)continue;for(var j=0;j<additions.length;j++){var node=additions[j];if(node.nodeType==1){setupInlineImageIn(node);}}}});observer.observe(document.body,{childList:true,subtree:true});}});
/* ./contrib/js/expand-video.js */
var configRoot="";if(typeof _=='undefined'){var _=function(a){return a;};}
function setupVideo(thumb,url){if(thumb.videoAlreadySetUp)return;thumb.videoAlreadySetUp=true;var video=null;var videoContainer,videoHide;var expanded=false;var hovering=false;var loop=true;var loopControls=[document.createElement("span"),document.createElement("span")];var fileInfo=thumb.parentNode.querySelector(".fileinfo");var mouseDown=false;function unexpand(){if(expanded){expanded=false;if(video.pause)video.pause();videoContainer.style.display="none";thumb.style.display="inline";video.style.maxWidth="inherit";video.style.maxHeight="inherit";}}
function unhover(){if(hovering){hovering=false;if(video.pause)video.pause();videoContainer.style.display="none";video.style.maxWidth="inherit";video.style.maxHeight="inherit";}}
function getVideo(){if(video==null){video=document.createElement("video");video.src=url;video.loop=loop;video.innerText=_("Your browser does not support HTML5 video.");videoHide=document.createElement("img");videoHide.src=configRoot+"static/collapse.gif";videoHide.alt="[ - ]";videoHide.title="Collapse video";videoHide.style.marginLeft="-15px";videoHide.style.cssFloat="left";videoHide.addEventListener("click",unexpand,false);videoContainer=document.createElement("div");videoContainer.style.paddingLeft="15px";videoContainer.style.display="none";videoContainer.appendChild(videoHide);videoContainer.appendChild(video);thumb.parentNode.insertBefore(videoContainer,thumb.nextSibling);video.addEventListener("mousedown",function(e){if(e.button==0)mouseDown=true;},false);video.addEventListener("mouseup",function(e){if(e.button==0)mouseDown=false;},false);video.addEventListener("mouseenter",function(e){mouseDown=false;},false);video.addEventListener("mouseout",function(e){if(mouseDown&&e.clientX-video.getBoundingClientRect().left<=0){unexpand();}
mouseDown=false;},false);}}
thumb.addEventListener("click",function(e){if(!e.shiftKey&&!e.ctrlKey&&!e.altKey&&!e.metaKey){getVideo();expanded=true;hovering=false;video.style.position="static";video.style.pointerEvents="inherit";video.style.display="inline";videoHide.style.display="inline";videoContainer.style.display="block";videoContainer.style.position="static";video.parentNode.parentNode.removeAttribute('style');thumb.style.display="none";video.controls=true;if(video.readyState==0){video.addEventListener("loadedmetadata",expand2,false);}else{setTimeout(expand2,0);}
video.play();e.preventDefault();}},false);function expand2(){video.style.maxWidth="100%";video.style.maxHeight=window.innerHeight+"px";var bottom=video.getBoundingClientRect().bottom;if(bottom>window.innerHeight){window.scrollBy(0,bottom-window.innerHeight);}}
thumb.addEventListener("mouseover",function(e){if(false){getVideo();expanded=false;hovering=true;var docRight=document.documentElement.getBoundingClientRect().right;var thumbRight=thumb.querySelector("img, video").getBoundingClientRect().right;var maxWidth=docRight-thumbRight-20;if(maxWidth<250)maxWidth=250;video.style.position="fixed";video.style.right="0px";video.style.top="0px";var docRight=document.documentElement.getBoundingClientRect().right;var thumbRight=thumb.querySelector("img, video").getBoundingClientRect().right;video.style.maxWidth=maxWidth+"px";video.style.maxHeight="100%";video.style.pointerEvents="none";video.style.display="inline";videoHide.style.display="none";videoContainer.style.display="inline";videoContainer.style.position="fixed";video.controls=false;video.play();}},false);thumb.addEventListener("mouseout",unhover,false);thumb.addEventListener("wheel",function(e){if(true){if(e.deltaY>0)volume-=0.1;if(e.deltaY<0)volume+=0.1;if(volume<0)volume=0;if(volume>1)volume=1;if(video!=null){video.muted=(volume==0);video.volume=volume;}
e.preventDefault();}},false);}
function setupVideosIn(element){var thumbs=element.querySelectorAll("a.file");for(var i=0;i<thumbs.length;i++){if(/(\.webm)|(\.mp4)$/.test(thumbs[i].pathname)){setupVideo(thumbs[i],thumbs[i].href);}else{var url=thumbs[i].href;if(/(\.webm)|(\.mp4)$/.test(url))setupVideo(thumbs[i],url);}}}
onready(function(){if(typeof settingsMenu!="undefined"&&typeof Options=="undefined")
document.body.insertBefore(settingsMenu,document.getElementsByTagName("hr")[0]);setupVideosIn(document);if(window.MutationObserver){var observer=new MutationObserver(function(mutations){for(var i=0;i<mutations.length;i++){var additions=mutations[i].addedNodes;if(additions==null)continue;for(var j=0;j<additions.length;j++){var node=additions[j];if(node.nodeType==1){setupVideosIn(node);}}}});observer.observe(document.body,{childList:true,subtree:true});}});
/* ./contrib/js/livechan.js */
function livechan_got_post(widget,j){while(widget.children.length>5){widget.removeChild(widget.children[0]);}
nntpchan_buildpost(widget,j);widget.scrollTop=widget.scrollHeight;}
function inject_postform(prefix,parent){}
function inject_livechan_widget(prefix,parent){if("WebSocket"in window){var url="ws://"+document.location.host+prefix+"live";if(document.location.protocol=="https:"){url="wss://"+document.location.host+prefix+"live";}
var socket=new WebSocket(url);var progress=function(str){parent.innerHTML="<pre>livechan: "+str+"</pre>";};progress("initialize");socket.onopen=function(){progress("streaming (read only)");}
socket.onmessage=function(ev){var j=null;try{j=JSON.parse(ev.data);}catch(e){}
if(j){livechan_got_post(parent,j);}}
socket.onclose=function(ev){progress("connection closed");setTimeout(function(){inject_livechan_widget(prefix,parent);},1000);}}else{parent.innerHTML="<pre>livechan mode requires websocket support</pre>";setTimeout(function(){parent.innerHTML="";},5000);}}
function ukko_livechan(prefix){var ukko=document.getElementById("ukko_threads");if(ukko){ukko.innerHTML="";inject_livechan_widget(prefix,ukko);}}
/* ./contrib/js/local_storage.js */
function get_storage(){var st=null;if(window.localStorage){st=window.localStorage;}else if(localStorage){st=localStorage;}
return st;}
/* ./contrib/js/theme.js */
function enable_theme(prefix,name){if(prefix&&name){var theme=document.getElementById("current_theme");if(theme){theme.href=prefix+"static/"+name+".css";var st=get_storage();st.nntpchan_prefix=prefix;st.nntpchan_theme=name;}}}
var st=get_storage();enable_theme(st.nntpchan_prefix,st.nntpchan_theme);