// anki-persistence v1.1.8
// https://github.com/SimonLammer/anki-persistence
if(void 0===window.Persistence){var e="github.com/SimonLammer/anki-persistence/",t="_default";if(window.Persistence_sessionStorage=function(){var i=!1;try{"object"==typeof window.sessionStorage&&(i=!0,this.clear=function(){for(var t=0;t<sessionStorage.length;t++){var i=sessionStorage.key(t);0==i.indexOf(e)&&(sessionStorage.removeItem(i),t--)}},this.setItem=function(i,n){void 0==n&&(n=i,i=t),sessionStorage.setItem(e+i,JSON.stringify(n))},this.getItem=function(i){return void 0==i&&(i=t),JSON.parse(sessionStorage.getItem(e+i))},this.removeItem=function(i){void 0==i&&(i=t),sessionStorage.removeItem(e+i)},this.getAllKeys=function(){for(var t=[],i=Object.keys(sessionStorage),n=0;n<i.length;n++){var s=i[n];0==s.indexOf(e)&&t.push(s.substring(e.length,s.length))}return t.sort()})}catch(n){}this.isAvailable=function(){return i}},window.Persistence_windowKey=function(i){var n=window[i],s=!1;"object"==typeof n&&(s=!0,this.clear=function(){n[e]={}},this.setItem=function(i,s){void 0==s&&(s=i,i=t),n[e][i]=s},this.getItem=function(i){return void 0==i&&(i=t),void 0==n[e][i]?null:n[e][i]},this.removeItem=function(i){void 0==i&&(i=t),delete n[e][i]},this.getAllKeys=function(){return Object.keys(n[e])},void 0==n[e]&&this.clear()),this.isAvailable=function(){return s}},window.Persistence=new Persistence_sessionStorage,Persistence.isAvailable()||(window.Persistence=new Persistence_windowKey("py")),!Persistence.isAvailable()){var i=window.location.toString().indexOf("title"),n=window.location.toString().indexOf("main",i);i>0&&n>0&&n-i<10&&(window.Persistence=new Persistence_windowKey("qt"))}}