// @license magnet:?xt=urn:btih:e95b018ef3580986a04669f1b5879592219e2a7a&dn=public-domain.txt Unlicense
/*
	classList.js v1.2.20171210
	https://github.com/eligrey/classList.js
	The Unlicense
*/
"document"in self&&(("classList"in document.createElement("_")&&(!document.createElementNS||"classList"in document.createElementNS("http://www.w3.org/2000/svg","g")))||!(function(t){"use strict";if("Element"in t){var e="classList",n="prototype",i=t.Element[n],s=Object,r=String[n].trim||function(){return this.replace(/^\s+|\s+$/g,"")},o=Array[n].indexOf||function(t){for(var e=0,n=this.length;n>e;e+=1){if(e in this&&this[e]===t){return e}}return -1},c=function(t,e){(this.name=t),(this.code=DOMException[t]),(this.message=e)},a=function(t,e){if(""===e){throw new c("SYNTAX_ERR","The token must not be empty.")}if(/\s/.test(e)){throw new c("INVALID_CHARACTER_ERR","The token must not contain space characters.")}return o.call(t,e)},l=function(t){for(var e=r.call(t.getAttribute("class")||""),n=e?e.split(/\s+/):[],i=0,s=n.length;s>i;i+=1){this.push(n[i])}this._updateClassName=function(){t.setAttribute("class",this.toString())}},u=(l[n]=[]),h=function(){return new l(this)};if(((c[n]=Error[n]),(u.item=function(t){return this[t]||null}),(u.contains=function(t){return~a(this,t+"")}),(u.add=function(){var t,e=arguments,n=0,i=e.length,s=!1;do{(t=e[n]+""),~a(this,t)||(this.push(t),(s=!0))}while(++n<i);s&&this._updateClassName()}),(u.remove=function(){var t,e,n=arguments,i=0,s=n.length,r=!1;do{for(t=n[i]+"",e=a(this,t);~e;){this.splice(e,1),(r=!0),(e=a(this,t))}}while(++i<s);r&&this._updateClassName()}),(u.toggle=function(t,e){var n=this.contains(t),i=n?e!==!0&&"remove":e!==!1&&"add";return i&&this[i](t),e===!0||e===!1?e:!n}),(u.replace=function(t,e){var n=a(t+"");~n&&(this.splice(n,1,e),this._updateClassName())}),(u.toString=function(){return this.join(" ")}),s.defineProperty)){var f={get:h,enumerable:!0,configurable:!0};try{s.defineProperty(i,e,f)}catch(p){(void 0!==p.number&&-2146823252!==p.number)||((f.enumerable=!1),s.defineProperty(i,e,f))}}else{s[n].__defineGetter__&&i.__defineGetter__(e,h)}}})(self),(function(){"use strict";var t=document.createElement("_");if((t.classList.add("c1","c2"),!t.classList.contains("c2"))){var e=function(t){var e=DOMTokenList.prototype[t];DOMTokenList.prototype[t]=function(t){var n,i=arguments.length;for(n=0;i>n;n+=1){(t=arguments[n]),e.call(this,t)};;};e("add"),e("remove")}if((t.classList.toggle("c3",!1),t.classList.contains("c3"))){var n=DOMTokenList.prototype.toggle;DOMTokenList.prototype.toggle=function(t,e){return 1 in arguments&&!this.contains(t)==!e?e:n.call(this,t)}}"replace"in document.createElement("_").classList||(DOMTokenList.prototype.replace=function(t,e){var n=this.toString().split(" "),i=n.indexOf(t+"");~i&&((n=n.slice(i)),this.remove.apply(this,n),this.add(e),this.add.apply(this,n.slice(1)))}),(t=null)})());

// @license-end