friendica-addons-sekb/mathjax/asset/extensions/a11y/wgxpath.install.js

(function(){'use strict';var k=this;
function aa(a){var b=typeof a;if("object"==b)if(a){if(a instanceof Array)return"array";if(a instanceof Object)return b;var c=Object.prototype.toString.call(a);if("[object Window]"==c)return"object";if("[object Array]"==c||"number"==typeof a.length&&"undefined"!=typeof a.splice&&"undefined"!=typeof a.propertyIsEnumerable&&!a.propertyIsEnumerable("splice"))return"array";if("[object Function]"==c||"undefined"!=typeof a.call&&"undefined"!=typeof a.propertyIsEnumerable&&!a.propertyIsEnumerable("call"))return"function"}else return"null";else if("function"==
b&&"undefined"==typeof a.call)return"object";return b}function l(a){return"string"==typeof a}function ba(a,b,c){return a.call.apply(a.bind,arguments)}function ca(a,b,c){if(!a)throw Error();if(2<arguments.length){var d=Array.prototype.slice.call(arguments,2);return function(){var c=Array.prototype.slice.call(arguments);Array.prototype.unshift.apply(c,d);return a.apply(b,c)}}return function(){return a.apply(b,arguments)}}
function da(a,b,c){da=Function.prototype.bind&&-1!=Function.prototype.bind.toString().indexOf("native code")?ba:ca;return da.apply(null,arguments)}function ea(a,b){var c=Array.prototype.slice.call(arguments,1);return function(){var b=c.slice();b.push.apply(b,arguments);return a.apply(this,b)}}
function m(a){var b=n;function c(){}c.prototype=b.prototype;a.G=b.prototype;a.prototype=new c;a.prototype.constructor=a;a.F=function(a,c,f){for(var g=Array(arguments.length-2),h=2;h<arguments.length;h++)g[h-2]=arguments[h];return b.prototype[c].apply(a,g)}};/*

 The MIT License

 Copyright (c) 2007 Cybozu Labs, Inc.
 Copyright (c) 2012 Google Inc.

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
 deal in the Software without restriction, including without limitation the
 rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 sell copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:

 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 IN THE SOFTWARE.
*/
var fa=String.prototype.trim?function(a){return a.trim()}:function(a){return a.replace(/^[\s\xa0]+|[\s\xa0]+$/g,"")};function q(a,b){return-1!=a.indexOf(b)}function ga(a,b){return a<b?-1:a>b?1:0};var ha=Array.prototype.indexOf?function(a,b,c){return Array.prototype.indexOf.call(a,b,c)}:function(a,b,c){c=null==c?0:0>c?Math.max(0,a.length+c):c;if(l(a))return l(b)&&1==b.length?a.indexOf(b,c):-1;for(;c<a.length;c++)if(c in a&&a[c]===b)return c;return-1},r=Array.prototype.forEach?function(a,b,c){Array.prototype.forEach.call(a,b,c)}:function(a,b,c){for(var d=a.length,e=l(a)?a.split(""):a,f=0;f<d;f++)f in e&&b.call(c,e[f],f,a)},ia=Array.prototype.filter?function(a,b,c){return Array.prototype.filter.call(a,
b,c)}:function(a,b,c){for(var d=a.length,e=[],f=0,g=l(a)?a.split(""):a,h=0;h<d;h++)if(h in g){var p=g[h];b.call(c,p,h,a)&&(e[f++]=p)}return e},t=Array.prototype.reduce?function(a,b,c,d){d&&(b=da(b,d));return Array.prototype.reduce.call(a,b,c)}:function(a,b,c,d){var e=c;r(a,function(c,g){e=b.call(d,e,c,g,a)});return e},ja=Array.prototype.some?function(a,b,c){return Array.prototype.some.call(a,b,c)}:function(a,b,c){for(var d=a.length,e=l(a)?a.split(""):a,f=0;f<d;f++)if(f in e&&b.call(c,e[f],f,a))return!0;
return!1};function ka(a,b){var c;a:{c=a.length;for(var d=l(a)?a.split(""):a,e=0;e<c;e++)if(e in d&&b.call(void 0,d[e],e,a)){c=e;break a}c=-1}return 0>c?null:l(a)?a.charAt(c):a[c]}function la(a){return Array.prototype.concat.apply(Array.prototype,arguments)}function ma(a,b,c){return 2>=arguments.length?Array.prototype.slice.call(a,b):Array.prototype.slice.call(a,b,c)};var u;a:{var na=k.navigator;if(na){var oa=na.userAgent;if(oa){u=oa;break a}}u=""};var pa=q(u,"Opera")||q(u,"OPR"),v=q(u,"Trident")||q(u,"MSIE"),qa=q(u,"Edge"),ra=q(u,"Gecko")&&!(q(u.toLowerCase(),"webkit")&&!q(u,"Edge"))&&!(q(u,"Trident")||q(u,"MSIE"))&&!q(u,"Edge"),sa=q(u.toLowerCase(),"webkit")&&!q(u,"Edge");function ta(){var a=k.document;return a?a.documentMode:void 0}var ua;
a:{var va="",wa=function(){var a=u;if(ra)return/rv\:([^\);]+)(\)|;)/.exec(a);if(qa)return/Edge\/([\d\.]+)/.exec(a);if(v)return/\b(?:MSIE|rv)[: ]([^\);]+)(\)|;)/.exec(a);if(sa)return/WebKit\/(\S+)/.exec(a);if(pa)return/(?:Version)[ \/]?(\S+)/.exec(a)}();wa&&(va=wa?wa[1]:"");if(v){var xa=ta();if(null!=xa&&xa>parseFloat(va)){ua=String(xa);break a}}ua=va}var ya={};
function za(a){if(!ya[a]){for(var b=0,c=fa(String(ua)).split("."),d=fa(String(a)).split("."),e=Math.max(c.length,d.length),f=0;0==b&&f<e;f++){var g=c[f]||"",h=d[f]||"",p=/(\d*)(\D*)/g,y=/(\d*)(\D*)/g;do{var D=p.exec(g)||["","",""],X=y.exec(h)||["","",""];if(0==D[0].length&&0==X[0].length)break;b=ga(0==D[1].length?0:parseInt(D[1],10),0==X[1].length?0:parseInt(X[1],10))||ga(0==D[2].length,0==X[2].length)||ga(D[2],X[2])}while(0==b)}ya[a]=0<=b}}
var Aa=k.document,Ba=Aa&&v?ta()||("CSS1Compat"==Aa.compatMode?parseInt(ua,10):5):void 0;var w=v&&!(9<=Number(Ba)),Ca=v&&!(8<=Number(Ba));function x(a,b,c,d){this.a=a;this.nodeName=c;this.nodeValue=d;this.nodeType=2;this.parentNode=this.ownerElement=b}function Da(a,b){var c=Ca&&"href"==b.nodeName?a.getAttribute(b.nodeName,2):b.nodeValue;return new x(b,a,b.nodeName,c)};function z(a){var b=null,c=a.nodeType;1==c&&(b=a.textContent,b=void 0==b||null==b?a.innerText:b,b=void 0==b||null==b?"":b);if("string"!=typeof b)if(w&&"title"==a.nodeName.toLowerCase()&&1==c)b=a.text;else if(9==c||1==c){a=9==c?a.documentElement:a.firstChild;for(var c=0,d=[],b="";a;){do 1!=a.nodeType&&(b+=a.nodeValue),w&&"title"==a.nodeName.toLowerCase()&&(b+=a.text),d[c++]=a;while(a=a.firstChild);for(;c&&!(a=d[--c].nextSibling););}}else b=a.nodeValue;return""+b}
function A(a,b,c){if(null===b)return!0;try{if(!a.getAttribute)return!1}catch(d){return!1}Ca&&"class"==b&&(b="className");return null==c?!!a.getAttribute(b):a.getAttribute(b,2)==c}function B(a,b,c,d,e){return(w?Ea:Fa).call(null,a,b,l(c)?c:null,l(d)?d:null,e||new C)}
function Ea(a,b,c,d,e){if(a instanceof E||8==a.b||c&&null===a.b){var f=b.all;if(!f)return e;a=Ga(a);if("*"!=a&&(f=b.getElementsByTagName(a),!f))return e;if(c){for(var g=[],h=0;b=f[h++];)A(b,c,d)&&g.push(b);f=g}for(h=0;b=f[h++];)"*"==a&&"!"==b.tagName||F(e,b);return e}Ha(a,b,c,d,e);return e}
function Fa(a,b,c,d,e){b.getElementsByName&&d&&"name"==c&&!v?(b=b.getElementsByName(d),r(b,function(b){a.a(b)&&F(e,b)})):b.getElementsByClassName&&d&&"class"==c?(b=b.getElementsByClassName(d),r(b,function(b){b.className==d&&a.a(b)&&F(e,b)})):a instanceof G?Ha(a,b,c,d,e):b.getElementsByTagName&&(b=b.getElementsByTagName(a.f()),r(b,function(a){A(a,c,d)&&F(e,a)}));return e}
function Ia(a,b,c,d,e){var f;if((a instanceof E||8==a.b||c&&null===a.b)&&(f=b.childNodes)){var g=Ga(a);if("*"!=g&&(f=ia(f,function(a){return a.tagName&&a.tagName.toLowerCase()==g}),!f))return e;c&&(f=ia(f,function(a){return A(a,c,d)}));r(f,function(a){"*"==g&&("!"==a.tagName||"*"==g&&1!=a.nodeType)||F(e,a)});return e}return Ja(a,b,c,d,e)}function Ja(a,b,c,d,e){for(b=b.firstChild;b;b=b.nextSibling)A(b,c,d)&&a.a(b)&&F(e,b);return e}
function Ha(a,b,c,d,e){for(b=b.firstChild;b;b=b.nextSibling)A(b,c,d)&&a.a(b)&&F(e,b),Ha(a,b,c,d,e)}function Ga(a){if(a instanceof G){if(8==a.b)return"!";if(null===a.b)return"*"}return a.f()};!ra&&!v||v&&9<=Number(Ba)||ra&&za("1.9.1");v&&za("9");function Ka(a,b){if(!a||!b)return!1;if(a.contains&&1==b.nodeType)return a==b||a.contains(b);if("undefined"!=typeof a.compareDocumentPosition)return a==b||!!(a.compareDocumentPosition(b)&16);for(;b&&a!=b;)b=b.parentNode;return b==a}
function La(a,b){if(a==b)return 0;if(a.compareDocumentPosition)return a.compareDocumentPosition(b)&2?1:-1;if(v&&!(9<=Number(Ba))){if(9==a.nodeType)return-1;if(9==b.nodeType)return 1}if("sourceIndex"in a||a.parentNode&&"sourceIndex"in a.parentNode){var c=1==a.nodeType,d=1==b.nodeType;if(c&&d)return a.sourceIndex-b.sourceIndex;var e=a.parentNode,f=b.parentNode;return e==f?Ma(a,b):!c&&Ka(e,b)?-1*Na(a,b):!d&&Ka(f,a)?Na(b,a):(c?a.sourceIndex:e.sourceIndex)-(d?b.sourceIndex:f.sourceIndex)}d=9==a.nodeType?
a:a.ownerDocument||a.document;c=d.createRange();c.selectNode(a);c.collapse(!0);d=d.createRange();d.selectNode(b);d.collapse(!0);return c.compareBoundaryPoints(k.Range.START_TO_END,d)}function Na(a,b){var c=a.parentNode;if(c==b)return-1;for(var d=b;d.parentNode!=c;)d=d.parentNode;return Ma(d,a)}function Ma(a,b){for(var c=b;c=c.previousSibling;)if(c==a)return-1;return 1};function C(){this.b=this.a=null;this.l=0}function Oa(a){this.node=a;this.a=this.b=null}function Pa(a,b){if(!a.a)return b;if(!b.a)return a;for(var c=a.a,d=b.a,e=null,f=null,g=0;c&&d;){var f=c.node,h=d.node;f==h||f instanceof x&&h instanceof x&&f.a==h.a?(f=c,c=c.a,d=d.a):0<La(c.node,d.node)?(f=d,d=d.a):(f=c,c=c.a);(f.b=e)?e.a=f:a.a=f;e=f;g++}for(f=c||d;f;)f.b=e,e=e.a=f,g++,f=f.a;a.b=e;a.l=g;return a}function Qa(a,b){var c=new Oa(b);c.a=a.a;a.b?a.a.b=c:a.a=a.b=c;a.a=c;a.l++}
function F(a,b){var c=new Oa(b);c.b=a.b;a.a?a.b.a=c:a.a=a.b=c;a.b=c;a.l++}function Ra(a){return(a=a.a)?a.node:null}function Sa(a){return(a=Ra(a))?z(a):""}function H(a,b){return new Ta(a,!!b)}function Ta(a,b){this.f=a;this.b=(this.c=b)?a.b:a.a;this.a=null}function I(a){var b=a.b;if(null==b)return null;var c=a.a=b;a.b=a.c?b.b:b.a;return c.node};function n(a){this.i=a;this.b=this.g=!1;this.f=null}function J(a){return"\n  "+a.toString().split("\n").join("\n  ")}function Ua(a,b){a.g=b}function Va(a,b){a.b=b}function K(a,b){var c=a.a(b);return c instanceof C?+Sa(c):+c}function L(a,b){var c=a.a(b);return c instanceof C?Sa(c):""+c}function M(a,b){var c=a.a(b);return c instanceof C?!!c.l:!!c};function N(a,b,c){n.call(this,a.i);this.c=a;this.h=b;this.o=c;this.g=b.g||c.g;this.b=b.b||c.b;this.c==Wa&&(c.b||c.g||4==c.i||0==c.i||!b.f?b.b||b.g||4==b.i||0==b.i||!c.f||(this.f={name:c.f.name,s:b}):this.f={name:b.f.name,s:c})}m(N);
function O(a,b,c,d,e){b=b.a(d);c=c.a(d);var f;if(b instanceof C&&c instanceof C){b=H(b);for(d=I(b);d;d=I(b))for(e=H(c),f=I(e);f;f=I(e))if(a(z(d),z(f)))return!0;return!1}if(b instanceof C||c instanceof C){b instanceof C?(e=b,d=c):(e=c,d=b);f=H(e);for(var g=typeof d,h=I(f);h;h=I(f)){switch(g){case "number":h=+z(h);break;case "boolean":h=!!z(h);break;case "string":h=z(h);break;default:throw Error("Illegal primitive type for comparison.");}if(e==b&&a(h,d)||e==c&&a(d,h))return!0}return!1}return e?"boolean"==
typeof b||"boolean"==typeof c?a(!!b,!!c):"number"==typeof b||"number"==typeof c?a(+b,+c):a(b,c):a(+b,+c)}N.prototype.a=function(a){return this.c.m(this.h,this.o,a)};N.prototype.toString=function(){var a="Binary Expression: "+this.c,a=a+J(this.h);return a+=J(this.o)};function Xa(a,b,c,d){this.a=a;this.w=b;this.i=c;this.m=d}Xa.prototype.toString=function(){return this.a};var Ya={};
function P(a,b,c,d){if(Ya.hasOwnProperty(a))throw Error("Binary operator already created: "+a);a=new Xa(a,b,c,d);return Ya[a.toString()]=a}P("div",6,1,function(a,b,c){return K(a,c)/K(b,c)});P("mod",6,1,function(a,b,c){return K(a,c)%K(b,c)});P("*",6,1,function(a,b,c){return K(a,c)*K(b,c)});P("+",5,1,function(a,b,c){return K(a,c)+K(b,c)});P("-",5,1,function(a,b,c){return K(a,c)-K(b,c)});P("<",4,2,function(a,b,c){return O(function(a,b){return a<b},a,b,c)});
P(">",4,2,function(a,b,c){return O(function(a,b){return a>b},a,b,c)});P("<=",4,2,function(a,b,c){return O(function(a,b){return a<=b},a,b,c)});P(">=",4,2,function(a,b,c){return O(function(a,b){return a>=b},a,b,c)});var Wa=P("=",3,2,function(a,b,c){return O(function(a,b){return a==b},a,b,c,!0)});P("!=",3,2,function(a,b,c){return O(function(a,b){return a!=b},a,b,c,!0)});P("and",2,2,function(a,b,c){return M(a,c)&&M(b,c)});P("or",1,2,function(a,b,c){return M(a,c)||M(b,c)});function Q(a,b,c){this.a=a;this.b=b||1;this.f=c||1};function Za(a,b){if(b.a.length&&4!=a.i)throw Error("Primary expression must evaluate to nodeset if filter has predicate(s).");n.call(this,a.i);this.c=a;this.h=b;this.g=a.g;this.b=a.b}m(Za);Za.prototype.a=function(a){a=this.c.a(a);return $a(this.h,a)};Za.prototype.toString=function(){var a;a="Filter:"+J(this.c);return a+=J(this.h)};function ab(a,b){if(b.length<a.A)throw Error("Function "+a.j+" expects at least"+a.A+" arguments, "+b.length+" given");if(null!==a.v&&b.length>a.v)throw Error("Function "+a.j+" expects at most "+a.v+" arguments, "+b.length+" given");a.B&&r(b,function(b,d){if(4!=b.i)throw Error("Argument "+d+" to function "+a.j+" is not of type Nodeset: "+b);});n.call(this,a.i);this.h=a;this.c=b;Ua(this,a.g||ja(b,function(a){return a.g}));Va(this,a.D&&!b.length||a.C&&!!b.length||ja(b,function(a){return a.b}))}m(ab);
ab.prototype.a=function(a){return this.h.m.apply(null,la(a,this.c))};ab.prototype.toString=function(){var a="Function: "+this.h;if(this.c.length)var b=t(this.c,function(a,b){return a+J(b)},"Arguments:"),a=a+J(b);return a};function bb(a,b,c,d,e,f,g,h,p){this.j=a;this.i=b;this.g=c;this.D=d;this.C=e;this.m=f;this.A=g;this.v=void 0!==h?h:g;this.B=!!p}bb.prototype.toString=function(){return this.j};var cb={};
function R(a,b,c,d,e,f,g,h){if(cb.hasOwnProperty(a))throw Error("Function already created: "+a+".");cb[a]=new bb(a,b,c,d,!1,e,f,g,h)}R("boolean",2,!1,!1,function(a,b){return M(b,a)},1);R("ceiling",1,!1,!1,function(a,b){return Math.ceil(K(b,a))},1);R("concat",3,!1,!1,function(a,b){return t(ma(arguments,1),function(b,d){return b+L(d,a)},"")},2,null);R("contains",2,!1,!1,function(a,b,c){return q(L(b,a),L(c,a))},2);R("count",1,!1,!1,function(a,b){return b.a(a).l},1,1,!0);
R("false",2,!1,!1,function(){return!1},0);R("floor",1,!1,!1,function(a,b){return Math.floor(K(b,a))},1);R("id",4,!1,!1,function(a,b){function c(a){if(w){var b=e.all[a];if(b){if(b.nodeType&&a==b.id)return b;if(b.length)return ka(b,function(b){return a==b.id})}return null}return e.getElementById(a)}var d=a.a,e=9==d.nodeType?d:d.ownerDocument,d=L(b,a).split(/\s+/),f=[];r(d,function(a){a=c(a);!a||0<=ha(f,a)||f.push(a)});f.sort(La);var g=new C;r(f,function(a){F(g,a)});return g},1);
R("lang",2,!1,!1,function(){return!1},1);R("last",1,!0,!1,function(a){if(1!=arguments.length)throw Error("Function last expects ()");return a.f},0);R("local-name",3,!1,!0,function(a,b){var c=b?Ra(b.a(a)):a.a;return c?c.localName||c.nodeName.toLowerCase():""},0,1,!0);R("name",3,!1,!0,function(a,b){var c=b?Ra(b.a(a)):a.a;return c?c.nodeName.toLowerCase():""},0,1,!0);R("namespace-uri",3,!0,!1,function(){return""},0,1,!0);
R("normalize-space",3,!1,!0,function(a,b){return(b?L(b,a):z(a.a)).replace(/[\s\xa0]+/g," ").replace(/^\s+|\s+$/g,"")},0,1);R("not",2,!1,!1,function(a,b){return!M(b,a)},1);R("number",1,!1,!0,function(a,b){return b?K(b,a):+z(a.a)},0,1);R("position",1,!0,!1,function(a){return a.b},0);R("round",1,!1,!1,function(a,b){return Math.round(K(b,a))},1);R("starts-with",2,!1,!1,function(a,b,c){b=L(b,a);a=L(c,a);return 0==b.lastIndexOf(a,0)},2);R("string",3,!1,!0,function(a,b){return b?L(b,a):z(a.a)},0,1);
R("string-length",1,!1,!0,function(a,b){return(b?L(b,a):z(a.a)).length},0,1);R("substring",3,!1,!1,function(a,b,c,d){c=K(c,a);if(isNaN(c)||Infinity==c||-Infinity==c)return"";d=d?K(d,a):Infinity;if(isNaN(d)||-Infinity===d)return"";c=Math.round(c)-1;var e=Math.max(c,0);a=L(b,a);return Infinity==d?a.substring(e):a.substring(e,c+Math.round(d))},2,3);R("substring-after",3,!1,!1,function(a,b,c){b=L(b,a);a=L(c,a);c=b.indexOf(a);return-1==c?"":b.substring(c+a.length)},2);
R("substring-before",3,!1,!1,function(a,b,c){b=L(b,a);a=L(c,a);a=b.indexOf(a);return-1==a?"":b.substring(0,a)},2);R("sum",1,!1,!1,function(a,b){for(var c=H(b.a(a)),d=0,e=I(c);e;e=I(c))d+=+z(e);return d},1,1,!0);R("translate",3,!1,!1,function(a,b,c,d){b=L(b,a);c=L(c,a);var e=L(d,a);a={};for(d=0;d<c.length;d++){var f=c.charAt(d);f in a||(a[f]=e.charAt(d))}c="";for(d=0;d<b.length;d++)f=b.charAt(d),c+=f in a?a[f]:f;return c},3);R("true",2,!1,!1,function(){return!0},0);function G(a,b){this.h=a;this.c=void 0!==b?b:null;this.b=null;switch(a){case "comment":this.b=8;break;case "text":this.b=3;break;case "processing-instruction":this.b=7;break;case "node":break;default:throw Error("Unexpected argument");}}function db(a){return"comment"==a||"text"==a||"processing-instruction"==a||"node"==a}G.prototype.a=function(a){return null===this.b||this.b==a.nodeType};G.prototype.f=function(){return this.h};
G.prototype.toString=function(){var a="Kind Test: "+this.h;null===this.c||(a+=J(this.c));return a};function eb(a){this.b=a;this.a=0}function fb(a){a=a.match(gb);for(var b=0;b<a.length;b++)hb.test(a[b])&&a.splice(b,1);return new eb(a)}var gb=/\$?(?:(?![0-9-\.])(?:\*|[\w-\.]+):)?(?![0-9-\.])(?:\*|[\w-\.]+)|\/\/|\.\.|::|\d+(?:\.\d*)?|\.\d+|"[^"]*"|'[^']*'|[!<>]=|\s+|./g,hb=/^\s/;function S(a,b){return a.b[a.a+(b||0)]}function T(a){return a.b[a.a++]}function ib(a){return a.b.length<=a.a};function jb(a){n.call(this,3);this.c=a.substring(1,a.length-1)}m(jb);jb.prototype.a=function(){return this.c};jb.prototype.toString=function(){return"Literal: "+this.c};function E(a,b){this.j=a.toLowerCase();var c;c="*"==this.j?"*":"http://www.w3.org/1999/xhtml";this.c=b?b.toLowerCase():c}E.prototype.a=function(a){var b=a.nodeType;if(1!=b&&2!=b)return!1;b=void 0!==a.localName?a.localName:a.nodeName;return"*"!=this.j&&this.j!=b.toLowerCase()?!1:"*"==this.c?!0:this.c==(a.namespaceURI?a.namespaceURI.toLowerCase():"http://www.w3.org/1999/xhtml")};E.prototype.f=function(){return this.j};
E.prototype.toString=function(){return"Name Test: "+("http://www.w3.org/1999/xhtml"==this.c?"":this.c+":")+this.j};function kb(a,b){n.call(this,a.i);this.h=a;this.c=b;this.g=a.g;this.b=a.b;if(1==this.c.length){var c=this.c[0];c.u||c.c!=lb||(c=c.o,"*"!=c.f()&&(this.f={name:c.f(),s:null}))}}m(kb);function mb(){n.call(this,4)}m(mb);mb.prototype.a=function(a){var b=new C;a=a.a;9==a.nodeType?F(b,a):F(b,a.ownerDocument);return b};mb.prototype.toString=function(){return"Root Helper Expression"};function nb(){n.call(this,4)}m(nb);nb.prototype.a=function(a){var b=new C;F(b,a.a);return b};nb.prototype.toString=function(){return"Context Helper Expression"};
function ob(a){return"/"==a||"//"==a}kb.prototype.a=function(a){var b=this.h.a(a);if(!(b instanceof C))throw Error("Filter expression must evaluate to nodeset.");a=this.c;for(var c=0,d=a.length;c<d&&b.l;c++){var e=a[c],f=H(b,e.c.a),g;if(e.g||e.c!=pb)if(e.g||e.c!=qb)for(g=I(f),b=e.a(new Q(g));null!=(g=I(f));)g=e.a(new Q(g)),b=Pa(b,g);else g=I(f),b=e.a(new Q(g));else{for(g=I(f);(b=I(f))&&(!g.contains||g.contains(b))&&b.compareDocumentPosition(g)&8;g=b);b=e.a(new Q(g))}}return b};
kb.prototype.toString=function(){var a;a="Path Expression:"+J(this.h);if(this.c.length){var b=t(this.c,function(a,b){return a+J(b)},"Steps:");a+=J(b)}return a};function rb(a){n.call(this,4);this.c=a;Ua(this,ja(this.c,function(a){return a.g}));Va(this,ja(this.c,function(a){return a.b}))}m(rb);rb.prototype.a=function(a){var b=new C;r(this.c,function(c){c=c.a(a);if(!(c instanceof C))throw Error("Path expression must evaluate to NodeSet.");b=Pa(b,c)});return b};rb.prototype.toString=function(){return t(this.c,function(a,b){return a+J(b)},"Union Expression:")};function sb(a,b){this.a=a;this.b=!!b}
function $a(a,b,c){for(c=c||0;c<a.a.length;c++)for(var d=a.a[c],e=H(b),f=b.l,g,h=0;g=I(e);h++){var p=a.b?f-h:h+1;g=d.a(new Q(g,p,f));if("number"==typeof g)p=p==g;else if("string"==typeof g||"boolean"==typeof g)p=!!g;else if(g instanceof C)p=0<g.l;else throw Error("Predicate.evaluate returned an unexpected type.");if(!p){p=e;g=p.f;var y=p.a;if(!y)throw Error("Next must be called at least once before remove.");var D=y.b,y=y.a;D?D.a=y:g.a=y;y?y.b=D:g.b=D;g.l--;p.a=null}}return b}
sb.prototype.toString=function(){return t(this.a,function(a,b){return a+J(b)},"Predicates:")};function U(a,b,c,d){n.call(this,4);this.c=a;this.o=b;this.h=c||new sb([]);this.u=!!d;b=this.h;b=0<b.a.length?b.a[0].f:null;a.b&&b&&(a=b.name,a=w?a.toLowerCase():a,this.f={name:a,s:b.s});a:{a=this.h;for(b=0;b<a.a.length;b++)if(c=a.a[b],c.g||1==c.i||0==c.i){a=!0;break a}a=!1}this.g=a}m(U);
U.prototype.a=function(a){var b=a.a,c=null,c=this.f,d=null,e=null,f=0;c&&(d=c.name,e=c.s?L(c.s,a):null,f=1);if(this.u)if(this.g||this.c!=tb)if(a=H((new U(ub,new G("node"))).a(a)),b=I(a))for(c=this.m(b,d,e,f);null!=(b=I(a));)c=Pa(c,this.m(b,d,e,f));else c=new C;else c=B(this.o,b,d,e),c=$a(this.h,c,f);else c=this.m(a.a,d,e,f);return c};U.prototype.m=function(a,b,c,d){a=this.c.f(this.o,a,b,c);return a=$a(this.h,a,d)};
U.prototype.toString=function(){var a;a="Step:"+J("Operator: "+(this.u?"//":"/"));this.c.j&&(a+=J("Axis: "+this.c));a+=J(this.o);if(this.h.a.length){var b=t(this.h.a,function(a,b){return a+J(b)},"Predicates:");a+=J(b)}return a};function vb(a,b,c,d){this.j=a;this.f=b;this.a=c;this.b=d}vb.prototype.toString=function(){return this.j};var wb={};function V(a,b,c,d){if(wb.hasOwnProperty(a))throw Error("Axis already created: "+a);b=new vb(a,b,c,!!d);return wb[a]=b}
V("ancestor",function(a,b){for(var c=new C,d=b;d=d.parentNode;)a.a(d)&&Qa(c,d);return c},!0);V("ancestor-or-self",function(a,b){var c=new C,d=b;do a.a(d)&&Qa(c,d);while(d=d.parentNode);return c},!0);
var lb=V("attribute",function(a,b){var c=new C,d=a.f();if("style"==d&&w&&b.style)return F(c,new x(b.style,b,"style",b.style.cssText)),c;var e=b.attributes;if(e)if(a instanceof G&&null===a.b||"*"==d)for(var d=0,f;f=e[d];d++)w?f.nodeValue&&F(c,Da(b,f)):F(c,f);else(f=e.getNamedItem(d))&&(w?f.nodeValue&&F(c,Da(b,f)):F(c,f));return c},!1),tb=V("child",function(a,b,c,d,e){return(w?Ia:Ja).call(null,a,b,l(c)?c:null,l(d)?d:null,e||new C)},!1,!0);V("descendant",B,!1,!0);
var ub=V("descendant-or-self",function(a,b,c,d){var e=new C;A(b,c,d)&&a.a(b)&&F(e,b);return B(a,b,c,d,e)},!1,!0),pb=V("following",function(a,b,c,d){var e=new C;do for(var f=b;f=f.nextSibling;)A(f,c,d)&&a.a(f)&&F(e,f),e=B(a,f,c,d,e);while(b=b.parentNode);return e},!1,!0);V("following-sibling",function(a,b){for(var c=new C,d=b;d=d.nextSibling;)a.a(d)&&F(c,d);return c},!1);V("namespace",function(){return new C},!1);
var xb=V("parent",function(a,b){var c=new C;if(9==b.nodeType)return c;if(2==b.nodeType)return F(c,b.ownerElement),c;var d=b.parentNode;a.a(d)&&F(c,d);return c},!1),qb=V("preceding",function(a,b,c,d){var e=new C,f=[];do f.unshift(b);while(b=b.parentNode);for(var g=1,h=f.length;g<h;g++){var p=[];for(b=f[g];b=b.previousSibling;)p.unshift(b);for(var y=0,D=p.length;y<D;y++)b=p[y],A(b,c,d)&&a.a(b)&&F(e,b),e=B(a,b,c,d,e)}return e},!0,!0);
V("preceding-sibling",function(a,b){for(var c=new C,d=b;d=d.previousSibling;)a.a(d)&&Qa(c,d);return c},!0);var yb=V("self",function(a,b){var c=new C;a.a(b)&&F(c,b);return c},!1);function zb(a){n.call(this,1);this.c=a;this.g=a.g;this.b=a.b}m(zb);zb.prototype.a=function(a){return-K(this.c,a)};zb.prototype.toString=function(){return"Unary Expression: -"+J(this.c)};function Ab(a){n.call(this,1);this.c=a}m(Ab);Ab.prototype.a=function(){return this.c};Ab.prototype.toString=function(){return"Number: "+this.c};function Bb(a,b){this.a=a;this.b=b}function Cb(a){for(var b,c=[];;){W(a,"Missing right hand side of binary expression.");b=Db(a);var d=T(a.a);if(!d)break;var e=(d=Ya[d]||null)&&d.w;if(!e){a.a.a--;break}for(;c.length&&e<=c[c.length-1].w;)b=new N(c.pop(),c.pop(),b);c.push(b,d)}for(;c.length;)b=new N(c.pop(),c.pop(),b);return b}function W(a,b){if(ib(a.a))throw Error(b);}function Eb(a,b){var c=T(a.a);if(c!=b)throw Error("Bad token, expected: "+b+" got: "+c);}
function Fb(a){a=T(a.a);if(")"!=a)throw Error("Bad token: "+a);}function Gb(a){a=T(a.a);if(2>a.length)throw Error("Unclosed literal string");return new jb(a)}
function Hb(a){var b,c=[],d;if(ob(S(a.a))){b=T(a.a);d=S(a.a);if("/"==b&&(ib(a.a)||"."!=d&&".."!=d&&"@"!=d&&"*"!=d&&!/(?![0-9])[\w]/.test(d)))return new mb;d=new mb;W(a,"Missing next location step.");b=Ib(a,b);c.push(b)}else{a:{b=S(a.a);d=b.charAt(0);switch(d){case "$":throw Error("Variable reference not allowed in HTML XPath");case "(":T(a.a);b=Cb(a);W(a,'unclosed "("');Eb(a,")");break;case '"':case "'":b=Gb(a);break;default:if(isNaN(+b))if(!db(b)&&/(?![0-9])[\w]/.test(d)&&"("==S(a.a,1)){b=T(a.a);
b=cb[b]||null;T(a.a);for(d=[];")"!=S(a.a);){W(a,"Missing function argument list.");d.push(Cb(a));if(","!=S(a.a))break;T(a.a)}W(a,"Unclosed function argument list.");Fb(a);b=new ab(b,d)}else{b=null;break a}else b=new Ab(+T(a.a))}"["==S(a.a)&&(d=new sb(Jb(a)),b=new Za(b,d))}if(b)if(ob(S(a.a)))d=b;else return b;else b=Ib(a,"/"),d=new nb,c.push(b)}for(;ob(S(a.a));)b=T(a.a),W(a,"Missing next location step."),b=Ib(a,b),c.push(b);return new kb(d,c)}
function Ib(a,b){var c,d,e;if("/"!=b&&"//"!=b)throw Error('Step op should be "/" or "//"');if("."==S(a.a))return d=new U(yb,new G("node")),T(a.a),d;if(".."==S(a.a))return d=new U(xb,new G("node")),T(a.a),d;var f;if("@"==S(a.a))f=lb,T(a.a),W(a,"Missing attribute name");else if("::"==S(a.a,1)){if(!/(?![0-9])[\w]/.test(S(a.a).charAt(0)))throw Error("Bad token: "+T(a.a));c=T(a.a);f=wb[c]||null;if(!f)throw Error("No axis with name: "+c);T(a.a);W(a,"Missing node name")}else f=tb;c=S(a.a);if(/(?![0-9])[\w\*]/.test(c.charAt(0)))if("("==
S(a.a,1)){if(!db(c))throw Error("Invalid node type: "+c);c=T(a.a);if(!db(c))throw Error("Invalid type name: "+c);Eb(a,"(");W(a,"Bad nodetype");e=S(a.a).charAt(0);var g=null;if('"'==e||"'"==e)g=Gb(a);W(a,"Bad nodetype");Fb(a);c=new G(c,g)}else if(c=T(a.a),e=c.indexOf(":"),-1==e)c=new E(c);else{var g=c.substring(0,e),h;if("*"==g)h="*";else if(h=a.b(g),!h)throw Error("Namespace prefix not declared: "+g);c=c.substr(e+1);c=new E(c,h)}else throw Error("Bad token: "+T(a.a));e=new sb(Jb(a),f.a);return d||
new U(f,c,e,"//"==b)}function Jb(a){for(var b=[];"["==S(a.a);){T(a.a);W(a,"Missing predicate expression.");var c=Cb(a);b.push(c);W(a,"Unclosed predicate expression.");Eb(a,"]")}return b}function Db(a){if("-"==S(a.a))return T(a.a),new zb(Db(a));var b=Hb(a);if("|"!=S(a.a))a=b;else{for(b=[b];"|"==T(a.a);)W(a,"Missing next union location path."),b.push(Hb(a));a.a.a--;a=new rb(b)}return a};function Kb(a){switch(a.nodeType){case 1:return ea(Lb,a);case 9:return Kb(a.documentElement);case 11:case 10:case 6:case 12:return Mb;default:return a.parentNode?Kb(a.parentNode):Mb}}function Mb(){return null}function Lb(a,b){if(a.prefix==b)return a.namespaceURI||"http://www.w3.org/1999/xhtml";var c=a.getAttributeNode("xmlns:"+b);return c&&c.specified?c.value||null:a.parentNode&&9!=a.parentNode.nodeType?Lb(a.parentNode,b):null};function Nb(a,b){if(!a.length)throw Error("Empty XPath expression.");var c=fb(a);if(ib(c))throw Error("Invalid XPath expression.");b?"function"==aa(b)||(b=da(b.lookupNamespaceURI,b)):b=function(){return null};var d=Cb(new Bb(c,b));if(!ib(c))throw Error("Bad token: "+T(c));this.evaluate=function(a,b){var c=d.a(new Q(a));return new Y(c,b)}}
function Y(a,b){if(0==b)if(a instanceof C)b=4;else if("string"==typeof a)b=2;else if("number"==typeof a)b=1;else if("boolean"==typeof a)b=3;else throw Error("Unexpected evaluation result.");if(2!=b&&1!=b&&3!=b&&!(a instanceof C))throw Error("value could not be converted to the specified type");this.resultType=b;var c;switch(b){case 2:this.stringValue=a instanceof C?Sa(a):""+a;break;case 1:this.numberValue=a instanceof C?+Sa(a):+a;break;case 3:this.booleanValue=a instanceof C?0<a.l:!!a;break;case 4:case 5:case 6:case 7:var d=
H(a);c=[];for(var e=I(d);e;e=I(d))c.push(e instanceof x?e.a:e);this.snapshotLength=a.l;this.invalidIteratorState=!1;break;case 8:case 9:d=Ra(a);this.singleNodeValue=d instanceof x?d.a:d;break;default:throw Error("Unknown XPathResult type.");}var f=0;this.iterateNext=function(){if(4!=b&&5!=b)throw Error("iterateNext called with wrong result type");return f>=c.length?null:c[f++]};this.snapshotItem=function(a){if(6!=b&&7!=b)throw Error("snapshotItem called with wrong result type");return a>=c.length||
0>a?null:c[a]}}Y.ANY_TYPE=0;Y.NUMBER_TYPE=1;Y.STRING_TYPE=2;Y.BOOLEAN_TYPE=3;Y.UNORDERED_NODE_ITERATOR_TYPE=4;Y.ORDERED_NODE_ITERATOR_TYPE=5;Y.UNORDERED_NODE_SNAPSHOT_TYPE=6;Y.ORDERED_NODE_SNAPSHOT_TYPE=7;Y.ANY_UNORDERED_NODE_TYPE=8;Y.FIRST_ORDERED_NODE_TYPE=9;function Ob(a){this.lookupNamespaceURI=Kb(a)}
function Pb(a,b){var c=a||k,d=c.Document&&c.Document.prototype||c.document;if(!d.evaluate||b)c.XPathResult=Y,d.evaluate=function(a,b,c,d){return(new Nb(a,c)).evaluate(b,d)},d.createExpression=function(a,b){return new Nb(a,b)},d.createNSResolver=function(a){return new Ob(a)}}var Qb=["wgxpath","install"],Z=k;Qb[0]in Z||!Z.execScript||Z.execScript("var "+Qb[0]);for(var Rb;Qb.length&&(Rb=Qb.shift());)Qb.length||void 0===Pb?Z[Rb]?Z=Z[Rb]:Z=Z[Rb]={}:Z[Rb]=Pb;}).call(this)