src/net/instaweb/genfiles/rewriter/responsive_dbg.js

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goog.debug = {};
goog.debug.Error = function(a) {
  if (Error.captureStackTrace) {
    Error.captureStackTrace(this, goog.debug.Error);
  } else {
    var b = Error().stack;
    b && (this.stack = b);
  }
  a && (this.message = String(a));
};
goog.inherits(goog.debug.Error, Error);
goog.debug.Error.prototype.name = "CustomError";
goog.dom = {};
goog.dom.NodeType = {ELEMENT:1, ATTRIBUTE:2, TEXT:3, CDATA_SECTION:4, ENTITY_REFERENCE:5, ENTITY:6, PROCESSING_INSTRUCTION:7, COMMENT:8, DOCUMENT:9, DOCUMENT_TYPE:10, DOCUMENT_FRAGMENT:11, NOTATION:12};
goog.dom.TagName = {A:"A", ABBR:"ABBR", ACRONYM:"ACRONYM", ADDRESS:"ADDRESS", APPLET:"APPLET", AREA:"AREA", ARTICLE:"ARTICLE", ASIDE:"ASIDE", AUDIO:"AUDIO", B:"B", BASE:"BASE", BASEFONT:"BASEFONT", BDI:"BDI", BDO:"BDO", BIG:"BIG", BLOCKQUOTE:"BLOCKQUOTE", BODY:"BODY", BR:"BR", BUTTON:"BUTTON", CANVAS:"CANVAS", CAPTION:"CAPTION", CENTER:"CENTER", CITE:"CITE", CODE:"CODE", COL:"COL", COLGROUP:"COLGROUP", COMMAND:"COMMAND", DATA:"DATA", DATALIST:"DATALIST", DD:"DD", DEL:"DEL", DETAILS:"DETAILS", DFN:"DFN", 
DIALOG:"DIALOG", DIR:"DIR", DIV:"DIV", DL:"DL", DT:"DT", EM:"EM", EMBED:"EMBED", FIELDSET:"FIELDSET", FIGCAPTION:"FIGCAPTION", FIGURE:"FIGURE", FONT:"FONT", FOOTER:"FOOTER", FORM:"FORM", FRAME:"FRAME", FRAMESET:"FRAMESET", H1:"H1", H2:"H2", H3:"H3", H4:"H4", H5:"H5", H6:"H6", HEAD:"HEAD", HEADER:"HEADER", HGROUP:"HGROUP", HR:"HR", HTML:"HTML", I:"I", IFRAME:"IFRAME", IMG:"IMG", INPUT:"INPUT", INS:"INS", ISINDEX:"ISINDEX", KBD:"KBD", KEYGEN:"KEYGEN", LABEL:"LABEL", LEGEND:"LEGEND", LI:"LI", LINK:"LINK", 
MAP:"MAP", MARK:"MARK", MATH:"MATH", MENU:"MENU", META:"META", METER:"METER", NAV:"NAV", NOFRAMES:"NOFRAMES", NOSCRIPT:"NOSCRIPT", OBJECT:"OBJECT", OL:"OL", OPTGROUP:"OPTGROUP", OPTION:"OPTION", OUTPUT:"OUTPUT", P:"P", PARAM:"PARAM", PRE:"PRE", PROGRESS:"PROGRESS", Q:"Q", RP:"RP", RT:"RT", RUBY:"RUBY", S:"S", SAMP:"SAMP", SCRIPT:"SCRIPT", SECTION:"SECTION", SELECT:"SELECT", SMALL:"SMALL", SOURCE:"SOURCE", SPAN:"SPAN", STRIKE:"STRIKE", STRONG:"STRONG", STYLE:"STYLE", SUB:"SUB", SUMMARY:"SUMMARY", 
SUP:"SUP", SVG:"SVG", TABLE:"TABLE", TBODY:"TBODY", TD:"TD", TEXTAREA:"TEXTAREA", TFOOT:"TFOOT", TH:"TH", THEAD:"THEAD", TIME:"TIME", TITLE:"TITLE", TR:"TR", TRACK:"TRACK", TT:"TT", U:"U", UL:"UL", VAR:"VAR", VIDEO:"VIDEO", WBR:"WBR"};
goog.fs = {};
goog.fs.url = {};
goog.fs.url.createObjectUrl = function(a) {
  return goog.fs.url.getUrlObject_().createObjectURL(a);
};
goog.fs.url.revokeObjectUrl = function(a) {
  goog.fs.url.getUrlObject_().revokeObjectURL(a);
};
goog.fs.url.getUrlObject_ = function() {
  var a = goog.fs.url.findUrlObject_();
  if (null != a) {
    return a;
  }
  throw Error("This browser doesn't seem to support blob URLs");
};
goog.fs.url.findUrlObject_ = function() {
  return goog.isDef(goog.global.URL) && goog.isDef(goog.global.URL.createObjectURL) ? goog.global.URL : goog.isDef(goog.global.webkitURL) && goog.isDef(goog.global.webkitURL.createObjectURL) ? goog.global.webkitURL : goog.isDef(goog.global.createObjectURL) ? goog.global : null;
};
goog.fs.url.browserSupportsObjectUrls = function() {
  return null != goog.fs.url.findUrlObject_();
};
goog.i18n = {};
goog.i18n.bidi = {};
goog.i18n.bidi.FORCE_RTL = !1;
goog.i18n.bidi.IS_RTL = goog.i18n.bidi.FORCE_RTL || ("ar" == goog.LOCALE.substring(0, 2).toLowerCase() || "fa" == goog.LOCALE.substring(0, 2).toLowerCase() || "he" == goog.LOCALE.substring(0, 2).toLowerCase() || "iw" == goog.LOCALE.substring(0, 2).toLowerCase() || "ps" == goog.LOCALE.substring(0, 2).toLowerCase() || "sd" == goog.LOCALE.substring(0, 2).toLowerCase() || "ug" == goog.LOCALE.substring(0, 2).toLowerCase() || "ur" == goog.LOCALE.substring(0, 2).toLowerCase() || "yi" == goog.LOCALE.substring(0, 
2).toLowerCase()) && (2 == goog.LOCALE.length || "-" == goog.LOCALE.substring(2, 3) || "_" == goog.LOCALE.substring(2, 3)) || 3 <= goog.LOCALE.length && "ckb" == goog.LOCALE.substring(0, 3).toLowerCase() && (3 == goog.LOCALE.length || "-" == goog.LOCALE.substring(3, 4) || "_" == goog.LOCALE.substring(3, 4));
goog.i18n.bidi.Format = {LRE:"\u202a", RLE:"\u202b", PDF:"\u202c", LRM:"\u200e", RLM:"\u200f"};
goog.i18n.bidi.Dir = {LTR:1, RTL:-1, NEUTRAL:0};
goog.i18n.bidi.RIGHT = "right";
goog.i18n.bidi.LEFT = "left";
goog.i18n.bidi.I18N_RIGHT = goog.i18n.bidi.IS_RTL ? goog.i18n.bidi.LEFT : goog.i18n.bidi.RIGHT;
goog.i18n.bidi.I18N_LEFT = goog.i18n.bidi.IS_RTL ? goog.i18n.bidi.RIGHT : goog.i18n.bidi.LEFT;
goog.i18n.bidi.toDir = function(a, b) {
  return "number" == typeof a ? 0 < a ? goog.i18n.bidi.Dir.LTR : 0 > a ? goog.i18n.bidi.Dir.RTL : b ? null : goog.i18n.bidi.Dir.NEUTRAL : null == a ? null : a ? goog.i18n.bidi.Dir.RTL : goog.i18n.bidi.Dir.LTR;
};
goog.i18n.bidi.ltrChars_ = "A-Za-z\u00c0-\u00d6\u00d8-\u00f6\u00f8-\u02b8\u0300-\u0590\u0800-\u1fff\u200e\u2c00-\ufb1c\ufe00-\ufe6f\ufefd-\uffff";
goog.i18n.bidi.rtlChars_ = "\u0591-\u07ff\u200f\ufb1d-\ufdff\ufe70-\ufefc";
goog.i18n.bidi.htmlSkipReg_ = /<[^>]*>|&[^;]+;/g;
goog.i18n.bidi.stripHtmlIfNeeded_ = function(a, b) {
  return b ? a.replace(goog.i18n.bidi.htmlSkipReg_, "") : a;
};
goog.i18n.bidi.rtlCharReg_ = new RegExp("[" + goog.i18n.bidi.rtlChars_ + "]");
goog.i18n.bidi.ltrCharReg_ = new RegExp("[" + goog.i18n.bidi.ltrChars_ + "]");
goog.i18n.bidi.hasAnyRtl = function(a, b) {
  return goog.i18n.bidi.rtlCharReg_.test(goog.i18n.bidi.stripHtmlIfNeeded_(a, b));
};
goog.i18n.bidi.hasRtlChar = goog.i18n.bidi.hasAnyRtl;
goog.i18n.bidi.hasAnyLtr = function(a, b) {
  return goog.i18n.bidi.ltrCharReg_.test(goog.i18n.bidi.stripHtmlIfNeeded_(a, b));
};
goog.i18n.bidi.ltrRe_ = new RegExp("^[" + goog.i18n.bidi.ltrChars_ + "]");
goog.i18n.bidi.rtlRe_ = new RegExp("^[" + goog.i18n.bidi.rtlChars_ + "]");
goog.i18n.bidi.isRtlChar = function(a) {
  return goog.i18n.bidi.rtlRe_.test(a);
};
goog.i18n.bidi.isLtrChar = function(a) {
  return goog.i18n.bidi.ltrRe_.test(a);
};
goog.i18n.bidi.isNeutralChar = function(a) {
  return !goog.i18n.bidi.isLtrChar(a) && !goog.i18n.bidi.isRtlChar(a);
};
goog.i18n.bidi.ltrDirCheckRe_ = new RegExp("^[^" + goog.i18n.bidi.rtlChars_ + "]*[" + goog.i18n.bidi.ltrChars_ + "]");
goog.i18n.bidi.rtlDirCheckRe_ = new RegExp("^[^" + goog.i18n.bidi.ltrChars_ + "]*[" + goog.i18n.bidi.rtlChars_ + "]");
goog.i18n.bidi.startsWithRtl = function(a, b) {
  return goog.i18n.bidi.rtlDirCheckRe_.test(goog.i18n.bidi.stripHtmlIfNeeded_(a, b));
};
goog.i18n.bidi.isRtlText = goog.i18n.bidi.startsWithRtl;
goog.i18n.bidi.startsWithLtr = function(a, b) {
  return goog.i18n.bidi.ltrDirCheckRe_.test(goog.i18n.bidi.stripHtmlIfNeeded_(a, b));
};
goog.i18n.bidi.isLtrText = goog.i18n.bidi.startsWithLtr;
goog.i18n.bidi.isRequiredLtrRe_ = /^http:\/\/.*/;
goog.i18n.bidi.isNeutralText = function(a, b) {
  a = goog.i18n.bidi.stripHtmlIfNeeded_(a, b);
  return goog.i18n.bidi.isRequiredLtrRe_.test(a) || !goog.i18n.bidi.hasAnyLtr(a) && !goog.i18n.bidi.hasAnyRtl(a);
};
goog.i18n.bidi.ltrExitDirCheckRe_ = new RegExp("[" + goog.i18n.bidi.ltrChars_ + "][^" + goog.i18n.bidi.rtlChars_ + "]*$");
goog.i18n.bidi.rtlExitDirCheckRe_ = new RegExp("[" + goog.i18n.bidi.rtlChars_ + "][^" + goog.i18n.bidi.ltrChars_ + "]*$");
goog.i18n.bidi.endsWithLtr = function(a, b) {
  return goog.i18n.bidi.ltrExitDirCheckRe_.test(goog.i18n.bidi.stripHtmlIfNeeded_(a, b));
};
goog.i18n.bidi.isLtrExitText = goog.i18n.bidi.endsWithLtr;
goog.i18n.bidi.endsWithRtl = function(a, b) {
  return goog.i18n.bidi.rtlExitDirCheckRe_.test(goog.i18n.bidi.stripHtmlIfNeeded_(a, b));
};
goog.i18n.bidi.isRtlExitText = goog.i18n.bidi.endsWithRtl;
goog.i18n.bidi.rtlLocalesRe_ = /^(ar|ckb|dv|he|iw|fa|nqo|ps|sd|ug|ur|yi|.*[-_](Arab|Hebr|Thaa|Nkoo|Tfng))(?!.*[-_](Latn|Cyrl)($|-|_))($|-|_)/i;
goog.i18n.bidi.isRtlLanguage = function(a) {
  return goog.i18n.bidi.rtlLocalesRe_.test(a);
};
goog.i18n.bidi.bracketGuardHtmlRe_ = /(\(.*?\)+)|(\[.*?\]+)|(\{.*?\}+)|(&lt;.*?(&gt;)+)/g;
goog.i18n.bidi.bracketGuardTextRe_ = /(\(.*?\)+)|(\[.*?\]+)|(\{.*?\}+)|(<.*?>+)/g;
goog.i18n.bidi.guardBracketInHtml = function(a, b) {
  return (void 0 === b ? goog.i18n.bidi.hasAnyRtl(a) : b) ? a.replace(goog.i18n.bidi.bracketGuardHtmlRe_, "<span dir=rtl>$&</span>") : a.replace(goog.i18n.bidi.bracketGuardHtmlRe_, "<span dir=ltr>$&</span>");
};
goog.i18n.bidi.guardBracketInText = function(a, b) {
  var c = (void 0 === b ? goog.i18n.bidi.hasAnyRtl(a) : b) ? goog.i18n.bidi.Format.RLM : goog.i18n.bidi.Format.LRM;
  return a.replace(goog.i18n.bidi.bracketGuardTextRe_, c + "$&" + c);
};
goog.i18n.bidi.enforceRtlInHtml = function(a) {
  return "<" == a.charAt(0) ? a.replace(/<\w+/, "$& dir=rtl") : "\n<span dir=rtl>" + a + "</span>";
};
goog.i18n.bidi.enforceRtlInText = function(a) {
  return goog.i18n.bidi.Format.RLE + a + goog.i18n.bidi.Format.PDF;
};
goog.i18n.bidi.enforceLtrInHtml = function(a) {
  return "<" == a.charAt(0) ? a.replace(/<\w+/, "$& dir=ltr") : "\n<span dir=ltr>" + a + "</span>";
};
goog.i18n.bidi.enforceLtrInText = function(a) {
  return goog.i18n.bidi.Format.LRE + a + goog.i18n.bidi.Format.PDF;
};
goog.i18n.bidi.dimensionsRe_ = /:\s*([.\d][.\w]*)\s+([.\d][.\w]*)\s+([.\d][.\w]*)\s+([.\d][.\w]*)/g;
goog.i18n.bidi.leftRe_ = /left/gi;
goog.i18n.bidi.rightRe_ = /right/gi;
goog.i18n.bidi.tempRe_ = /%%%%/g;
goog.i18n.bidi.mirrorCSS = function(a) {
  return a.replace(goog.i18n.bidi.dimensionsRe_, ":$1 $4 $3 $2").replace(goog.i18n.bidi.leftRe_, "%%%%").replace(goog.i18n.bidi.rightRe_, goog.i18n.bidi.LEFT).replace(goog.i18n.bidi.tempRe_, goog.i18n.bidi.RIGHT);
};
goog.i18n.bidi.doubleQuoteSubstituteRe_ = /([\u0591-\u05f2])"/g;
goog.i18n.bidi.singleQuoteSubstituteRe_ = /([\u0591-\u05f2])'/g;
goog.i18n.bidi.normalizeHebrewQuote = function(a) {
  return a.replace(goog.i18n.bidi.doubleQuoteSubstituteRe_, "$1\u05f4").replace(goog.i18n.bidi.singleQuoteSubstituteRe_, "$1\u05f3");
};
goog.i18n.bidi.wordSeparatorRe_ = /\s+/;
goog.i18n.bidi.hasNumeralsRe_ = /\d/;
goog.i18n.bidi.rtlDetectionThreshold_ = .4;
goog.i18n.bidi.estimateDirection = function(a, b) {
  for (var c = 0, d = 0, e = !1, f = goog.i18n.bidi.stripHtmlIfNeeded_(a, b).split(goog.i18n.bidi.wordSeparatorRe_), g = 0;g < f.length;g++) {
    var h = f[g];
    goog.i18n.bidi.startsWithRtl(h) ? (c++, d++) : goog.i18n.bidi.isRequiredLtrRe_.test(h) ? e = !0 : goog.i18n.bidi.hasAnyLtr(h) ? d++ : goog.i18n.bidi.hasNumeralsRe_.test(h) && (e = !0);
  }
  return 0 == d ? e ? goog.i18n.bidi.Dir.LTR : goog.i18n.bidi.Dir.NEUTRAL : c / d > goog.i18n.bidi.rtlDetectionThreshold_ ? goog.i18n.bidi.Dir.RTL : goog.i18n.bidi.Dir.LTR;
};
goog.i18n.bidi.detectRtlDirectionality = function(a, b) {
  return goog.i18n.bidi.estimateDirection(a, b) == goog.i18n.bidi.Dir.RTL;
};
goog.i18n.bidi.setElementDirAndAlign = function(a, b) {
  a && (b = goog.i18n.bidi.toDir(b)) && (a.style.textAlign = b == goog.i18n.bidi.Dir.RTL ? goog.i18n.bidi.RIGHT : goog.i18n.bidi.LEFT, a.dir = b == goog.i18n.bidi.Dir.RTL ? "rtl" : "ltr");
};
goog.i18n.bidi.DirectionalString = function() {
};
goog.math = {};
goog.math.Size = function(a, b) {
  this.width = a;
  this.height = b;
};
goog.math.Size.equals = function(a, b) {
  return a == b ? !0 : a && b ? a.width == b.width && a.height == b.height : !1;
};
goog.math.Size.prototype.clone = function() {
  return new goog.math.Size(this.width, this.height);
};
goog.DEBUG && (goog.math.Size.prototype.toString = function() {
  return "(" + this.width + " x " + this.height + ")";
});
goog.math.Size.prototype.getLongest = function() {
  return Math.max(this.width, this.height);
};
goog.math.Size.prototype.getShortest = function() {
  return Math.min(this.width, this.height);
};
goog.math.Size.prototype.area = function() {
  return this.width * this.height;
};
goog.math.Size.prototype.perimeter = function() {
  return 2 * (this.width + this.height);
};
goog.math.Size.prototype.aspectRatio = function() {
  return this.width / this.height;
};
goog.math.Size.prototype.isEmpty = function() {
  return !this.area();
};
goog.math.Size.prototype.ceil = function() {
  this.width = Math.ceil(this.width);
  this.height = Math.ceil(this.height);
  return this;
};
goog.math.Size.prototype.fitsInside = function(a) {
  return this.width <= a.width && this.height <= a.height;
};
goog.math.Size.prototype.floor = function() {
  this.width = Math.floor(this.width);
  this.height = Math.floor(this.height);
  return this;
};
goog.math.Size.prototype.round = function() {
  this.width = Math.round(this.width);
  this.height = Math.round(this.height);
  return this;
};
goog.math.Size.prototype.scale = function(a, b) {
  var c = goog.isNumber(b) ? b : a;
  this.width *= a;
  this.height *= c;
  return this;
};
goog.math.Size.prototype.scaleToCover = function(a) {
  a = this.aspectRatio() <= a.aspectRatio() ? a.width / this.width : a.height / this.height;
  return this.scale(a);
};
goog.math.Size.prototype.scaleToFit = function(a) {
  a = this.aspectRatio() > a.aspectRatio() ? a.width / this.width : a.height / this.height;
  return this.scale(a);
};
goog.object = {};
goog.object.forEach = function(a, b, c) {
  for (var d in a) {
    b.call(c, a[d], d, a);
  }
};
goog.object.filter = function(a, b, c) {
  var d = {}, e;
  for (e in a) {
    b.call(c, a[e], e, a) && (d[e] = a[e]);
  }
  return d;
};
goog.object.map = function(a, b, c) {
  var d = {}, e;
  for (e in a) {
    d[e] = b.call(c, a[e], e, a);
  }
  return d;
};
goog.object.some = function(a, b, c) {
  for (var d in a) {
    if (b.call(c, a[d], d, a)) {
      return !0;
    }
  }
  return !1;
};
goog.object.every = function(a, b, c) {
  for (var d in a) {
    if (!b.call(c, a[d], d, a)) {
      return !1;
    }
  }
  return !0;
};
goog.object.getCount = function(a) {
  var b = 0, c;
  for (c in a) {
    b++;
  }
  return b;
};
goog.object.getAnyKey = function(a) {
  for (var b in a) {
    return b;
  }
};
goog.object.getAnyValue = function(a) {
  for (var b in a) {
    return a[b];
  }
};
goog.object.contains = function(a, b) {
  return goog.object.containsValue(a, b);
};
goog.object.getValues = function(a) {
  var b = [], c = 0, d;
  for (d in a) {
    b[c++] = a[d];
  }
  return b;
};
goog.object.getKeys = function(a) {
  var b = [], c = 0, d;
  for (d in a) {
    b[c++] = d;
  }
  return b;
};
goog.object.getValueByKeys = function(a, b) {
  for (var c = goog.isArrayLike(b), d = c ? b : arguments, c = c ? 0 : 1;c < d.length && (a = a[d[c]], goog.isDef(a));c++) {
  }
  return a;
};
goog.object.containsKey = function(a, b) {
  return b in a;
};
goog.object.containsValue = function(a, b) {
  for (var c in a) {
    if (a[c] == b) {
      return !0;
    }
  }
  return !1;
};
goog.object.findKey = function(a, b, c) {
  for (var d in a) {
    if (b.call(c, a[d], d, a)) {
      return d;
    }
  }
};
goog.object.findValue = function(a, b, c) {
  return (b = goog.object.findKey(a, b, c)) && a[b];
};
goog.object.isEmpty = function(a) {
  for (var b in a) {
    return !1;
  }
  return !0;
};
goog.object.clear = function(a) {
  for (var b in a) {
    delete a[b];
  }
};
goog.object.remove = function(a, b) {
  var c;
  (c = b in a) && delete a[b];
  return c;
};
goog.object.add = function(a, b, c) {
  if (b in a) {
    throw Error('The object already contains the key "' + b + '"');
  }
  goog.object.set(a, b, c);
};
goog.object.get = function(a, b, c) {
  return b in a ? a[b] : c;
};
goog.object.set = function(a, b, c) {
  a[b] = c;
};
goog.object.setIfUndefined = function(a, b, c) {
  return b in a ? a[b] : a[b] = c;
};
goog.object.setWithReturnValueIfNotSet = function(a, b, c) {
  if (b in a) {
    return a[b];
  }
  c = c();
  return a[b] = c;
};
goog.object.equals = function(a, b) {
  for (var c in a) {
    if (!(c in b) || a[c] !== b[c]) {
      return !1;
    }
  }
  for (c in b) {
    if (!(c in a)) {
      return !1;
    }
  }
  return !0;
};
goog.object.clone = function(a) {
  var b = {}, c;
  for (c in a) {
    b[c] = a[c];
  }
  return b;
};
goog.object.unsafeClone = function(a) {
  var b = goog.typeOf(a);
  if ("object" == b || "array" == b) {
    if (a.clone) {
      return a.clone();
    }
    var b = "array" == b ? [] : {}, c;
    for (c in a) {
      b[c] = goog.object.unsafeClone(a[c]);
    }
    return b;
  }
  return a;
};
goog.object.transpose = function(a) {
  var b = {}, c;
  for (c in a) {
    b[a[c]] = c;
  }
  return b;
};
goog.object.PROTOTYPE_FIELDS_ = "constructor hasOwnProperty isPrototypeOf propertyIsEnumerable toLocaleString toString valueOf".split(" ");
goog.object.extend = function(a, b) {
  for (var c, d, e = 1;e < arguments.length;e++) {
    d = arguments[e];
    for (c in d) {
      a[c] = d[c];
    }
    for (var f = 0;f < goog.object.PROTOTYPE_FIELDS_.length;f++) {
      c = goog.object.PROTOTYPE_FIELDS_[f], Object.prototype.hasOwnProperty.call(d, c) && (a[c] = d[c]);
    }
  }
};
goog.object.create = function(a) {
  var b = arguments.length;
  if (1 == b && goog.isArray(arguments[0])) {
    return goog.object.create.apply(null, arguments[0]);
  }
  if (b % 2) {
    throw Error("Uneven number of arguments");
  }
  for (var c = {}, d = 0;d < b;d += 2) {
    c[arguments[d]] = arguments[d + 1];
  }
  return c;
};
goog.object.createSet = function(a) {
  var b = arguments.length;
  if (1 == b && goog.isArray(arguments[0])) {
    return goog.object.createSet.apply(null, arguments[0]);
  }
  for (var c = {}, d = 0;d < b;d++) {
    c[arguments[d]] = !0;
  }
  return c;
};
goog.object.createImmutableView = function(a) {
  var b = a;
  Object.isFrozen && !Object.isFrozen(a) && (b = Object.create(a), Object.freeze(b));
  return b;
};
goog.object.isImmutableView = function(a) {
  return !!Object.isFrozen && Object.isFrozen(a);
};
goog.dom.tags = {};
goog.dom.tags.VOID_TAGS_ = goog.object.createSet("area base br col command embed hr img input keygen link meta param source track wbr".split(" "));
goog.dom.tags.isVoidTag = function(a) {
  return !0 === goog.dom.tags.VOID_TAGS_[a];
};
goog.string = {};
goog.string.DETECT_DOUBLE_ESCAPING = !1;
goog.string.FORCE_NON_DOM_HTML_UNESCAPING = !1;
goog.string.Unicode = {NBSP:"\u00a0"};
goog.string.startsWith = function(a, b) {
  return 0 == a.lastIndexOf(b, 0);
};
goog.string.endsWith = function(a, b) {
  var c = a.length - b.length;
  return 0 <= c && a.indexOf(b, c) == c;
};
goog.string.caseInsensitiveStartsWith = function(a, b) {
  return 0 == goog.string.caseInsensitiveCompare(b, a.substr(0, b.length));
};
goog.string.caseInsensitiveEndsWith = function(a, b) {
  return 0 == goog.string.caseInsensitiveCompare(b, a.substr(a.length - b.length, b.length));
};
goog.string.caseInsensitiveEquals = function(a, b) {
  return a.toLowerCase() == b.toLowerCase();
};
goog.string.subs = function(a, b) {
  for (var c = a.split("%s"), d = "", e = Array.prototype.slice.call(arguments, 1);e.length && 1 < c.length;) {
    d += c.shift() + e.shift();
  }
  return d + c.join("%s");
};
goog.string.collapseWhitespace = function(a) {
  return a.replace(/[\s\xa0]+/g, " ").replace(/^\s+|\s+$/g, "");
};
goog.string.isEmptyOrWhitespace = function(a) {
  return /^[\s\xa0]*$/.test(a);
};
goog.string.isEmptyString = function(a) {
  return 0 == a.length;
};
goog.string.isEmpty = goog.string.isEmptyOrWhitespace;
goog.string.isEmptyOrWhitespaceSafe = function(a) {
  return goog.string.isEmptyOrWhitespace(goog.string.makeSafe(a));
};
goog.string.isEmptySafe = goog.string.isEmptyOrWhitespaceSafe;
goog.string.isBreakingWhitespace = function(a) {
  return !/[^\t\n\r ]/.test(a);
};
goog.string.isAlpha = function(a) {
  return !/[^a-zA-Z]/.test(a);
};
goog.string.isNumeric = function(a) {
  return !/[^0-9]/.test(a);
};
goog.string.isAlphaNumeric = function(a) {
  return !/[^a-zA-Z0-9]/.test(a);
};
goog.string.isSpace = function(a) {
  return " " == a;
};
goog.string.isUnicodeChar = function(a) {
  return 1 == a.length && " " <= a && "~" >= a || "\u0080" <= a && "\ufffd" >= a;
};
goog.string.stripNewlines = function(a) {
  return a.replace(/(\r\n|\r|\n)+/g, " ");
};
goog.string.canonicalizeNewlines = function(a) {
  return a.replace(/(\r\n|\r|\n)/g, "\n");
};
goog.string.normalizeWhitespace = function(a) {
  return a.replace(/\xa0|\s/g, " ");
};
goog.string.normalizeSpaces = function(a) {
  return a.replace(/\xa0|[ \t]+/g, " ");
};
goog.string.collapseBreakingSpaces = function(a) {
  return a.replace(/[\t\r\n ]+/g, " ").replace(/^[\t\r\n ]+|[\t\r\n ]+$/g, "");
};
goog.string.trim = goog.TRUSTED_SITE && String.prototype.trim ? function(a) {
  return a.trim();
} : function(a) {
  return a.replace(/^[\s\xa0]+|[\s\xa0]+$/g, "");
};
goog.string.trimLeft = function(a) {
  return a.replace(/^[\s\xa0]+/, "");
};
goog.string.trimRight = function(a) {
  return a.replace(/[\s\xa0]+$/, "");
};
goog.string.caseInsensitiveCompare = function(a, b) {
  var c = String(a).toLowerCase(), d = String(b).toLowerCase();
  return c < d ? -1 : c == d ? 0 : 1;
};
goog.string.numerateCompareRegExp_ = /(\.\d+)|(\d+)|(\D+)/g;
goog.string.numerateCompare = function(a, b) {
  if (a == b) {
    return 0;
  }
  if (!a) {
    return -1;
  }
  if (!b) {
    return 1;
  }
  for (var c = a.toLowerCase().match(goog.string.numerateCompareRegExp_), d = b.toLowerCase().match(goog.string.numerateCompareRegExp_), e = Math.min(c.length, d.length), f = 0;f < e;f++) {
    var g = c[f], h = d[f];
    if (g != h) {
      return c = parseInt(g, 10), !isNaN(c) && (d = parseInt(h, 10), !isNaN(d) && c - d) ? c - d : g < h ? -1 : 1;
    }
  }
  return c.length != d.length ? c.length - d.length : a < b ? -1 : 1;
};
goog.string.urlEncode = function(a) {
  return encodeURIComponent(String(a));
};
goog.string.urlDecode = function(a) {
  return decodeURIComponent(a.replace(/\+/g, " "));
};
goog.string.newLineToBr = function(a, b) {
  return a.replace(/(\r\n|\r|\n)/g, b ? "<br />" : "<br>");
};
goog.string.htmlEscape = function(a, b) {
  if (b) {
    a = a.replace(goog.string.AMP_RE_, "&amp;").replace(goog.string.LT_RE_, "&lt;").replace(goog.string.GT_RE_, "&gt;").replace(goog.string.QUOT_RE_, "&quot;").replace(goog.string.SINGLE_QUOTE_RE_, "&#39;").replace(goog.string.NULL_RE_, "&#0;"), goog.string.DETECT_DOUBLE_ESCAPING && (a = a.replace(goog.string.E_RE_, "&#101;"));
  } else {
    if (!goog.string.ALL_RE_.test(a)) {
      return a;
    }
    -1 != a.indexOf("&") && (a = a.replace(goog.string.AMP_RE_, "&amp;"));
    -1 != a.indexOf("<") && (a = a.replace(goog.string.LT_RE_, "&lt;"));
    -1 != a.indexOf(">") && (a = a.replace(goog.string.GT_RE_, "&gt;"));
    -1 != a.indexOf('"') && (a = a.replace(goog.string.QUOT_RE_, "&quot;"));
    -1 != a.indexOf("'") && (a = a.replace(goog.string.SINGLE_QUOTE_RE_, "&#39;"));
    -1 != a.indexOf("\x00") && (a = a.replace(goog.string.NULL_RE_, "&#0;"));
    goog.string.DETECT_DOUBLE_ESCAPING && -1 != a.indexOf("e") && (a = a.replace(goog.string.E_RE_, "&#101;"));
  }
  return a;
};
goog.string.AMP_RE_ = /&/g;
goog.string.LT_RE_ = /</g;
goog.string.GT_RE_ = />/g;
goog.string.QUOT_RE_ = /"/g;
goog.string.SINGLE_QUOTE_RE_ = /'/g;
goog.string.NULL_RE_ = /\x00/g;
goog.string.E_RE_ = /e/g;
goog.string.ALL_RE_ = goog.string.DETECT_DOUBLE_ESCAPING ? /[\x00&<>"'e]/ : /[\x00&<>"']/;
goog.string.unescapeEntities = function(a) {
  return goog.string.contains(a, "&") ? !goog.string.FORCE_NON_DOM_HTML_UNESCAPING && "document" in goog.global ? goog.string.unescapeEntitiesUsingDom_(a) : goog.string.unescapePureXmlEntities_(a) : a;
};
goog.string.unescapeEntitiesWithDocument = function(a, b) {
  return goog.string.contains(a, "&") ? goog.string.unescapeEntitiesUsingDom_(a, b) : a;
};
goog.string.unescapeEntitiesUsingDom_ = function(a, b) {
  var c = {"&amp;":"&", "&lt;":"<", "&gt;":">", "&quot;":'"'}, d;
  d = b ? b.createElement("div") : goog.global.document.createElement("div");
  return a.replace(goog.string.HTML_ENTITY_PATTERN_, function(a, b) {
    var g = c[a];
    if (g) {
      return g;
    }
    if ("#" == b.charAt(0)) {
      var h = Number("0" + b.substr(1));
      isNaN(h) || (g = String.fromCharCode(h));
    }
    g || (d.innerHTML = a + " ", g = d.firstChild.nodeValue.slice(0, -1));
    return c[a] = g;
  });
};
goog.string.unescapePureXmlEntities_ = function(a) {
  return a.replace(/&([^;]+);/g, function(a, c) {
    switch(c) {
      case "amp":
        return "&";
      case "lt":
        return "<";
      case "gt":
        return ">";
      case "quot":
        return '"';
      default:
        if ("#" == c.charAt(0)) {
          var d = Number("0" + c.substr(1));
          if (!isNaN(d)) {
            return String.fromCharCode(d);
          }
        }
        return a;
    }
  });
};
goog.string.HTML_ENTITY_PATTERN_ = /&([^;\s<&]+);?/g;
goog.string.whitespaceEscape = function(a, b) {
  return goog.string.newLineToBr(a.replace(/  /g, " &#160;"), b);
};
goog.string.preserveSpaces = function(a) {
  return a.replace(/(^|[\n ]) /g, "$1" + goog.string.Unicode.NBSP);
};
goog.string.stripQuotes = function(a, b) {
  for (var c = b.length, d = 0;d < c;d++) {
    var e = 1 == c ? b : b.charAt(d);
    if (a.charAt(0) == e && a.charAt(a.length - 1) == e) {
      return a.substring(1, a.length - 1);
    }
  }
  return a;
};
goog.string.truncate = function(a, b, c) {
  c && (a = goog.string.unescapeEntities(a));
  a.length > b && (a = a.substring(0, b - 3) + "...");
  c && (a = goog.string.htmlEscape(a));
  return a;
};
goog.string.truncateMiddle = function(a, b, c, d) {
  c && (a = goog.string.unescapeEntities(a));
  if (d && a.length > b) {
    d > b && (d = b);
    var e = a.length - d;
    a = a.substring(0, b - d) + "..." + a.substring(e);
  } else {
    a.length > b && (d = Math.floor(b / 2), e = a.length - d, a = a.substring(0, d + b % 2) + "..." + a.substring(e));
  }
  c && (a = goog.string.htmlEscape(a));
  return a;
};
goog.string.specialEscapeChars_ = {"\x00":"\\0", "\b":"\\b", "\f":"\\f", "\n":"\\n", "\r":"\\r", "\t":"\\t", "\x0B":"\\x0B", '"':'\\"', "\\":"\\\\"};
goog.string.jsEscapeCache_ = {"'":"\\'"};
goog.string.quote = function(a) {
  a = String(a);
  if (a.quote) {
    return a.quote();
  }
  for (var b = ['"'], c = 0;c < a.length;c++) {
    var d = a.charAt(c), e = d.charCodeAt(0);
    b[c + 1] = goog.string.specialEscapeChars_[d] || (31 < e && 127 > e ? d : goog.string.escapeChar(d));
  }
  b.push('"');
  return b.join("");
};
goog.string.escapeString = function(a) {
  for (var b = [], c = 0;c < a.length;c++) {
    b[c] = goog.string.escapeChar(a.charAt(c));
  }
  return b.join("");
};
goog.string.escapeChar = function(a) {
  if (a in goog.string.jsEscapeCache_) {
    return goog.string.jsEscapeCache_[a];
  }
  if (a in goog.string.specialEscapeChars_) {
    return goog.string.jsEscapeCache_[a] = goog.string.specialEscapeChars_[a];
  }
  var b = a, c = a.charCodeAt(0);
  if (31 < c && 127 > c) {
    b = a;
  } else {
    if (256 > c) {
      if (b = "\\x", 16 > c || 256 < c) {
        b += "0";
      }
    } else {
      b = "\\u", 4096 > c && (b += "0");
    }
    b += c.toString(16).toUpperCase();
  }
  return goog.string.jsEscapeCache_[a] = b;
};
goog.string.contains = function(a, b) {
  return -1 != a.indexOf(b);
};
goog.string.caseInsensitiveContains = function(a, b) {
  return goog.string.contains(a.toLowerCase(), b.toLowerCase());
};
goog.string.countOf = function(a, b) {
  return a && b ? a.split(b).length - 1 : 0;
};
goog.string.removeAt = function(a, b, c) {
  var d = a;
  0 <= b && b < a.length && 0 < c && (d = a.substr(0, b) + a.substr(b + c, a.length - b - c));
  return d;
};
goog.string.remove = function(a, b) {
  var c = new RegExp(goog.string.regExpEscape(b), "");
  return a.replace(c, "");
};
goog.string.removeAll = function(a, b) {
  var c = new RegExp(goog.string.regExpEscape(b), "g");
  return a.replace(c, "");
};
goog.string.regExpEscape = function(a) {
  return String(a).replace(/([-()\[\]{}+?*.$\^|,:#<!\\])/g, "\\$1").replace(/\x08/g, "\\x08");
};
goog.string.repeat = function(a, b) {
  return Array(b + 1).join(a);
};
goog.string.padNumber = function(a, b, c) {
  a = goog.isDef(c) ? a.toFixed(c) : String(a);
  c = a.indexOf(".");
  -1 == c && (c = a.length);
  return goog.string.repeat("0", Math.max(0, b - c)) + a;
};
goog.string.makeSafe = function(a) {
  return null == a ? "" : String(a);
};
goog.string.buildString = function(a) {
  return Array.prototype.join.call(arguments, "");
};
goog.string.getRandomString = function() {
  return Math.floor(2147483648 * Math.random()).toString(36) + Math.abs(Math.floor(2147483648 * Math.random()) ^ goog.now()).toString(36);
};
goog.string.compareVersions = function(a, b) {
  for (var c = 0, d = goog.string.trim(String(a)).split("."), e = goog.string.trim(String(b)).split("."), f = Math.max(d.length, e.length), g = 0;0 == c && g < f;g++) {
    var h = d[g] || "", k = e[g] || "", l = RegExp("(\\d*)(\\D*)", "g"), p = RegExp("(\\d*)(\\D*)", "g");
    do {
      var m = l.exec(h) || ["", "", ""], n = p.exec(k) || ["", "", ""];
      if (0 == m[0].length && 0 == n[0].length) {
        break;
      }
      var c = 0 == m[1].length ? 0 : parseInt(m[1], 10), q = 0 == n[1].length ? 0 : parseInt(n[1], 10), c = goog.string.compareElements_(c, q) || goog.string.compareElements_(0 == m[2].length, 0 == n[2].length) || goog.string.compareElements_(m[2], n[2]);
    } while (0 == c);
  }
  return c;
};
goog.string.compareElements_ = function(a, b) {
  return a < b ? -1 : a > b ? 1 : 0;
};
goog.string.HASHCODE_MAX_ = 4294967296;
goog.string.hashCode = function(a) {
  for (var b = 0, c = 0;c < a.length;++c) {
    b = 31 * b + a.charCodeAt(c), b %= goog.string.HASHCODE_MAX_;
  }
  return b;
};
goog.string.uniqueStringCounter_ = 2147483648 * Math.random() | 0;
goog.string.createUniqueString = function() {
  return "goog_" + goog.string.uniqueStringCounter_++;
};
goog.string.toNumber = function(a) {
  var b = Number(a);
  return 0 == b && goog.string.isEmptyOrWhitespace(a) ? NaN : b;
};
goog.string.isLowerCamelCase = function(a) {
  return /^[a-z]+([A-Z][a-z]*)*$/.test(a);
};
goog.string.isUpperCamelCase = function(a) {
  return /^([A-Z][a-z]*)+$/.test(a);
};
goog.string.toCamelCase = function(a) {
  return String(a).replace(/\-([a-z])/g, function(a, c) {
    return c.toUpperCase();
  });
};
goog.string.toSelectorCase = function(a) {
  return String(a).replace(/([A-Z])/g, "-$1").toLowerCase();
};
goog.string.toTitleCase = function(a, b) {
  var c = goog.isString(b) ? goog.string.regExpEscape(b) : "\\s";
  return a.replace(new RegExp("(^" + (c ? "|[" + c + "]+" : "") + ")([a-z])", "g"), function(a, b, c) {
    return b + c.toUpperCase();
  });
};
goog.string.capitalize = function(a) {
  return String(a.charAt(0)).toUpperCase() + String(a.substr(1)).toLowerCase();
};
goog.string.parseInt = function(a) {
  isFinite(a) && (a = String(a));
  return goog.isString(a) ? /^\s*-?0x/i.test(a) ? parseInt(a, 16) : parseInt(a, 10) : NaN;
};
goog.string.splitLimit = function(a, b, c) {
  a = a.split(b);
  for (var d = [];0 < c && a.length;) {
    d.push(a.shift()), c--;
  }
  a.length && d.push(a.join(b));
  return d;
};
goog.string.editDistance = function(a, b) {
  var c = [], d = [];
  if (a == b) {
    return 0;
  }
  if (!a.length || !b.length) {
    return Math.max(a.length, b.length);
  }
  for (var e = 0;e < b.length + 1;e++) {
    c[e] = e;
  }
  for (e = 0;e < a.length;e++) {
    d[0] = e + 1;
    for (var f = 0;f < b.length;f++) {
      d[f + 1] = Math.min(d[f] + 1, c[f + 1] + 1, c[f] + (a[e] != b[f]));
    }
    for (f = 0;f < c.length;f++) {
      c[f] = d[f];
    }
  }
  return d[b.length];
};
goog.asserts = {};
goog.asserts.ENABLE_ASSERTS = goog.DEBUG;
goog.asserts.AssertionError = function(a, b) {
  b.unshift(a);
  goog.debug.Error.call(this, goog.string.subs.apply(null, b));
  b.shift();
  this.messagePattern = a;
};
goog.inherits(goog.asserts.AssertionError, goog.debug.Error);
goog.asserts.AssertionError.prototype.name = "AssertionError";
goog.asserts.DEFAULT_ERROR_HANDLER = function(a) {
  throw a;
};
goog.asserts.errorHandler_ = goog.asserts.DEFAULT_ERROR_HANDLER;
goog.asserts.doAssertFailure_ = function(a, b, c, d) {
  var e = "Assertion failed";
  if (c) {
    var e = e + (": " + c), f = d
  } else {
    a && (e += ": " + a, f = b);
  }
  a = new goog.asserts.AssertionError("" + e, f || []);
  goog.asserts.errorHandler_(a);
};
goog.asserts.setErrorHandler = function(a) {
  goog.asserts.ENABLE_ASSERTS && (goog.asserts.errorHandler_ = a);
};
goog.asserts.assert = function(a, b, c) {
  goog.asserts.ENABLE_ASSERTS && !a && goog.asserts.doAssertFailure_("", null, b, Array.prototype.slice.call(arguments, 2));
  return a;
};
goog.asserts.fail = function(a, b) {
  goog.asserts.ENABLE_ASSERTS && goog.asserts.errorHandler_(new goog.asserts.AssertionError("Failure" + (a ? ": " + a : ""), Array.prototype.slice.call(arguments, 1)));
};
goog.asserts.assertNumber = function(a, b, c) {
  goog.asserts.ENABLE_ASSERTS && !goog.isNumber(a) && goog.asserts.doAssertFailure_("Expected number but got %s: %s.", [goog.typeOf(a), a], b, Array.prototype.slice.call(arguments, 2));
  return a;
};
goog.asserts.assertString = function(a, b, c) {
  goog.asserts.ENABLE_ASSERTS && !goog.isString(a) && goog.asserts.doAssertFailure_("Expected string but got %s: %s.", [goog.typeOf(a), a], b, Array.prototype.slice.call(arguments, 2));
  return a;
};
goog.asserts.assertFunction = function(a, b, c) {
  goog.asserts.ENABLE_ASSERTS && !goog.isFunction(a) && goog.asserts.doAssertFailure_("Expected function but got %s: %s.", [goog.typeOf(a), a], b, Array.prototype.slice.call(arguments, 2));
  return a;
};
goog.asserts.assertObject = function(a, b, c) {
  goog.asserts.ENABLE_ASSERTS && !goog.isObject(a) && goog.asserts.doAssertFailure_("Expected object but got %s: %s.", [goog.typeOf(a), a], b, Array.prototype.slice.call(arguments, 2));
  return a;
};
goog.asserts.assertArray = function(a, b, c) {
  goog.asserts.ENABLE_ASSERTS && !goog.isArray(a) && goog.asserts.doAssertFailure_("Expected array but got %s: %s.", [goog.typeOf(a), a], b, Array.prototype.slice.call(arguments, 2));
  return a;
};
goog.asserts.assertBoolean = function(a, b, c) {
  goog.asserts.ENABLE_ASSERTS && !goog.isBoolean(a) && goog.asserts.doAssertFailure_("Expected boolean but got %s: %s.", [goog.typeOf(a), a], b, Array.prototype.slice.call(arguments, 2));
  return a;
};
goog.asserts.assertElement = function(a, b, c) {
  !goog.asserts.ENABLE_ASSERTS || goog.isObject(a) && a.nodeType == goog.dom.NodeType.ELEMENT || goog.asserts.doAssertFailure_("Expected Element but got %s: %s.", [goog.typeOf(a), a], b, Array.prototype.slice.call(arguments, 2));
  return a;
};
goog.asserts.assertInstanceof = function(a, b, c, d) {
  !goog.asserts.ENABLE_ASSERTS || a instanceof b || goog.asserts.doAssertFailure_("Expected instanceof %s but got %s.", [goog.asserts.getType_(b), goog.asserts.getType_(a)], c, Array.prototype.slice.call(arguments, 3));
  return a;
};
goog.asserts.assertObjectPrototypeIsIntact = function() {
  for (var a in Object.prototype) {
    goog.asserts.fail(a + " should not be enumerable in Object.prototype.");
  }
};
goog.asserts.getType_ = function(a) {
  return a instanceof Function ? a.displayName || a.name || "unknown type name" : a instanceof Object ? a.constructor.displayName || a.constructor.name || Object.prototype.toString.call(a) : null === a ? "null" : typeof a;
};
goog.array = {};
goog.NATIVE_ARRAY_PROTOTYPES = goog.TRUSTED_SITE;
goog.array.ASSUME_NATIVE_FUNCTIONS = !1;
goog.array.peek = function(a) {
  return a[a.length - 1];
};
goog.array.last = goog.array.peek;
goog.array.ARRAY_PROTOTYPE_ = Array.prototype;
goog.array.indexOf = goog.NATIVE_ARRAY_PROTOTYPES && (goog.array.ASSUME_NATIVE_FUNCTIONS || goog.array.ARRAY_PROTOTYPE_.indexOf) ? function(a, b, c) {
  goog.asserts.assert(null != a.length);
  return goog.array.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 (goog.isString(a)) {
    return goog.isString(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;
};
goog.array.lastIndexOf = goog.NATIVE_ARRAY_PROTOTYPES && (goog.array.ASSUME_NATIVE_FUNCTIONS || goog.array.ARRAY_PROTOTYPE_.lastIndexOf) ? function(a, b, c) {
  goog.asserts.assert(null != a.length);
  return goog.array.ARRAY_PROTOTYPE_.lastIndexOf.call(a, b, null == c ? a.length - 1 : c);
} : function(a, b, c) {
  c = null == c ? a.length - 1 : c;
  0 > c && (c = Math.max(0, a.length + c));
  if (goog.isString(a)) {
    return goog.isString(b) && 1 == b.length ? a.lastIndexOf(b, c) : -1;
  }
  for (;0 <= c;c--) {
    if (c in a && a[c] === b) {
      return c;
    }
  }
  return -1;
};
goog.array.forEach = goog.NATIVE_ARRAY_PROTOTYPES && (goog.array.ASSUME_NATIVE_FUNCTIONS || goog.array.ARRAY_PROTOTYPE_.forEach) ? function(a, b, c) {
  goog.asserts.assert(null != a.length);
  goog.array.ARRAY_PROTOTYPE_.forEach.call(a, b, c);
} : function(a, b, c) {
  for (var d = a.length, e = goog.isString(a) ? a.split("") : a, f = 0;f < d;f++) {
    f in e && b.call(c, e[f], f, a);
  }
};
goog.array.forEachRight = function(a, b, c) {
  for (var d = a.length, e = goog.isString(a) ? a.split("") : a, d = d - 1;0 <= d;--d) {
    d in e && b.call(c, e[d], d, a);
  }
};
goog.array.filter = goog.NATIVE_ARRAY_PROTOTYPES && (goog.array.ASSUME_NATIVE_FUNCTIONS || goog.array.ARRAY_PROTOTYPE_.filter) ? function(a, b, c) {
  goog.asserts.assert(null != a.length);
  return goog.array.ARRAY_PROTOTYPE_.filter.call(a, b, c);
} : function(a, b, c) {
  for (var d = a.length, e = [], f = 0, g = goog.isString(a) ? a.split("") : a, h = 0;h < d;h++) {
    if (h in g) {
      var k = g[h];
      b.call(c, k, h, a) && (e[f++] = k);
    }
  }
  return e;
};
goog.array.map = goog.NATIVE_ARRAY_PROTOTYPES && (goog.array.ASSUME_NATIVE_FUNCTIONS || goog.array.ARRAY_PROTOTYPE_.map) ? function(a, b, c) {
  goog.asserts.assert(null != a.length);
  return goog.array.ARRAY_PROTOTYPE_.map.call(a, b, c);
} : function(a, b, c) {
  for (var d = a.length, e = Array(d), f = goog.isString(a) ? a.split("") : a, g = 0;g < d;g++) {
    g in f && (e[g] = b.call(c, f[g], g, a));
  }
  return e;
};
goog.array.reduce = goog.NATIVE_ARRAY_PROTOTYPES && (goog.array.ASSUME_NATIVE_FUNCTIONS || goog.array.ARRAY_PROTOTYPE_.reduce) ? function(a, b, c, d) {
  goog.asserts.assert(null != a.length);
  for (var e = [], f = 1, g = arguments.length;f < g;f++) {
    e.push(arguments[f]);
  }
  d && (e[0] = goog.bind(b, d));
  return goog.array.ARRAY_PROTOTYPE_.reduce.apply(a, e);
} : function(a, b, c, d) {
  var e = c;
  goog.array.forEach(a, function(c, g) {
    e = b.call(d, e, c, g, a);
  });
  return e;
};
goog.array.reduceRight = goog.NATIVE_ARRAY_PROTOTYPES && (goog.array.ASSUME_NATIVE_FUNCTIONS || goog.array.ARRAY_PROTOTYPE_.reduceRight) ? function(a, b, c, d) {
  goog.asserts.assert(null != a.length);
  d && (b = goog.bind(b, d));
  return goog.array.ARRAY_PROTOTYPE_.reduceRight.call(a, b, c);
} : function(a, b, c, d) {
  var e = c;
  goog.array.forEachRight(a, function(c, g) {
    e = b.call(d, e, c, g, a);
  });
  return e;
};
goog.array.some = goog.NATIVE_ARRAY_PROTOTYPES && (goog.array.ASSUME_NATIVE_FUNCTIONS || goog.array.ARRAY_PROTOTYPE_.some) ? function(a, b, c) {
  goog.asserts.assert(null != a.length);
  return goog.array.ARRAY_PROTOTYPE_.some.call(a, b, c);
} : function(a, b, c) {
  for (var d = a.length, e = goog.isString(a) ? a.split("") : a, f = 0;f < d;f++) {
    if (f in e && b.call(c, e[f], f, a)) {
      return !0;
    }
  }
  return !1;
};
goog.array.every = goog.NATIVE_ARRAY_PROTOTYPES && (goog.array.ASSUME_NATIVE_FUNCTIONS || goog.array.ARRAY_PROTOTYPE_.every) ? function(a, b, c) {
  goog.asserts.assert(null != a.length);
  return goog.array.ARRAY_PROTOTYPE_.every.call(a, b, c);
} : function(a, b, c) {
  for (var d = a.length, e = goog.isString(a) ? a.split("") : a, f = 0;f < d;f++) {
    if (f in e && !b.call(c, e[f], f, a)) {
      return !1;
    }
  }
  return !0;
};
goog.array.count = function(a, b, c) {
  var d = 0;
  goog.array.forEach(a, function(a, f, g) {
    b.call(c, a, f, g) && ++d;
  }, c);
  return d;
};
goog.array.find = function(a, b, c) {
  b = goog.array.findIndex(a, b, c);
  return 0 > b ? null : goog.isString(a) ? a.charAt(b) : a[b];
};
goog.array.findIndex = function(a, b, c) {
  for (var d = a.length, e = goog.isString(a) ? a.split("") : a, f = 0;f < d;f++) {
    if (f in e && b.call(c, e[f], f, a)) {
      return f;
    }
  }
  return -1;
};
goog.array.findRight = function(a, b, c) {
  b = goog.array.findIndexRight(a, b, c);
  return 0 > b ? null : goog.isString(a) ? a.charAt(b) : a[b];
};
goog.array.findIndexRight = function(a, b, c) {
  for (var d = a.length, e = goog.isString(a) ? a.split("") : a, d = d - 1;0 <= d;d--) {
    if (d in e && b.call(c, e[d], d, a)) {
      return d;
    }
  }
  return -1;
};
goog.array.contains = function(a, b) {
  return 0 <= goog.array.indexOf(a, b);
};
goog.array.isEmpty = function(a) {
  return 0 == a.length;
};
goog.array.clear = function(a) {
  if (!goog.isArray(a)) {
    for (var b = a.length - 1;0 <= b;b--) {
      delete a[b];
    }
  }
  a.length = 0;
};
goog.array.insert = function(a, b) {
  goog.array.contains(a, b) || a.push(b);
};
goog.array.insertAt = function(a, b, c) {
  goog.array.splice(a, c, 0, b);
};
goog.array.insertArrayAt = function(a, b, c) {
  goog.partial(goog.array.splice, a, c, 0).apply(null, b);
};
goog.array.insertBefore = function(a, b, c) {
  var d;
  2 == arguments.length || 0 > (d = goog.array.indexOf(a, c)) ? a.push(b) : goog.array.insertAt(a, b, d);
};
goog.array.remove = function(a, b) {
  var c = goog.array.indexOf(a, b), d;
  (d = 0 <= c) && goog.array.removeAt(a, c);
  return d;
};
goog.array.removeAt = function(a, b) {
  goog.asserts.assert(null != a.length);
  return 1 == goog.array.ARRAY_PROTOTYPE_.splice.call(a, b, 1).length;
};
goog.array.removeIf = function(a, b, c) {
  b = goog.array.findIndex(a, b, c);
  return 0 <= b ? (goog.array.removeAt(a, b), !0) : !1;
};
goog.array.removeAllIf = function(a, b, c) {
  var d = 0;
  goog.array.forEachRight(a, function(e, f) {
    b.call(c, e, f, a) && goog.array.removeAt(a, f) && d++;
  });
  return d;
};
goog.array.concat = function(a) {
  return goog.array.ARRAY_PROTOTYPE_.concat.apply(goog.array.ARRAY_PROTOTYPE_, arguments);
};
goog.array.join = function(a) {
  return goog.array.ARRAY_PROTOTYPE_.concat.apply(goog.array.ARRAY_PROTOTYPE_, arguments);
};
goog.array.toArray = function(a) {
  var b = a.length;
  if (0 < b) {
    for (var c = Array(b), d = 0;d < b;d++) {
      c[d] = a[d];
    }
    return c;
  }
  return [];
};
goog.array.clone = goog.array.toArray;
goog.array.extend = function(a, b) {
  for (var c = 1;c < arguments.length;c++) {
    var d = arguments[c];
    if (goog.isArrayLike(d)) {
      var e = a.length || 0, f = d.length || 0;
      a.length = e + f;
      for (var g = 0;g < f;g++) {
        a[e + g] = d[g];
      }
    } else {
      a.push(d);
    }
  }
};
goog.array.splice = function(a, b, c, d) {
  goog.asserts.assert(null != a.length);
  return goog.array.ARRAY_PROTOTYPE_.splice.apply(a, goog.array.slice(arguments, 1));
};
goog.array.slice = function(a, b, c) {
  goog.asserts.assert(null != a.length);
  return 2 >= arguments.length ? goog.array.ARRAY_PROTOTYPE_.slice.call(a, b) : goog.array.ARRAY_PROTOTYPE_.slice.call(a, b, c);
};
goog.array.removeDuplicates = function(a, b, c) {
  b = b || a;
  var d = function(a) {
    return goog.isObject(g) ? "o" + goog.getUid(g) : (typeof g).charAt(0) + g;
  };
  c = c || d;
  for (var d = {}, e = 0, f = 0;f < a.length;) {
    var g = a[f++], h = c(g);
    Object.prototype.hasOwnProperty.call(d, h) || (d[h] = !0, b[e++] = g);
  }
  b.length = e;
};
goog.array.binarySearch = function(a, b, c) {
  return goog.array.binarySearch_(a, c || goog.array.defaultCompare, !1, b);
};
goog.array.binarySelect = function(a, b, c) {
  return goog.array.binarySearch_(a, b, !0, void 0, c);
};
goog.array.binarySearch_ = function(a, b, c, d, e) {
  for (var f = 0, g = a.length, h;f < g;) {
    var k = f + g >> 1, l;
    l = c ? b.call(e, a[k], k, a) : b(d, a[k]);
    0 < l ? f = k + 1 : (g = k, h = !l);
  }
  return h ? f : ~f;
};
goog.array.sort = function(a, b) {
  a.sort(b || goog.array.defaultCompare);
};
goog.array.stableSort = function(a, b) {
  for (var c = 0;c < a.length;c++) {
    a[c] = {index:c, value:a[c]};
  }
  var d = b || goog.array.defaultCompare;
  goog.array.sort(a, function(a, b) {
    return d(a.value, b.value) || a.index - b.index;
  });
  for (c = 0;c < a.length;c++) {
    a[c] = a[c].value;
  }
};
goog.array.sortByKey = function(a, b, c) {
  var d = c || goog.array.defaultCompare;
  goog.array.sort(a, function(a, c) {
    return d(b(a), b(c));
  });
};
goog.array.sortObjectsByKey = function(a, b, c) {
  goog.array.sortByKey(a, function(a) {
    return a[b];
  }, c);
};
goog.array.isSorted = function(a, b, c) {
  b = b || goog.array.defaultCompare;
  for (var d = 1;d < a.length;d++) {
    var e = b(a[d - 1], a[d]);
    if (0 < e || 0 == e && c) {
      return !1;
    }
  }
  return !0;
};
goog.array.equals = function(a, b, c) {
  if (!goog.isArrayLike(a) || !goog.isArrayLike(b) || a.length != b.length) {
    return !1;
  }
  var d = a.length;
  c = c || goog.array.defaultCompareEquality;
  for (var e = 0;e < d;e++) {
    if (!c(a[e], b[e])) {
      return !1;
    }
  }
  return !0;
};
goog.array.compare3 = function(a, b, c) {
  c = c || goog.array.defaultCompare;
  for (var d = Math.min(a.length, b.length), e = 0;e < d;e++) {
    var f = c(a[e], b[e]);
    if (0 != f) {
      return f;
    }
  }
  return goog.array.defaultCompare(a.length, b.length);
};
goog.array.defaultCompare = function(a, b) {
  return a > b ? 1 : a < b ? -1 : 0;
};
goog.array.inverseDefaultCompare = function(a, b) {
  return -goog.array.defaultCompare(a, b);
};
goog.array.defaultCompareEquality = function(a, b) {
  return a === b;
};
goog.array.binaryInsert = function(a, b, c) {
  c = goog.array.binarySearch(a, b, c);
  return 0 > c ? (goog.array.insertAt(a, b, -(c + 1)), !0) : !1;
};
goog.array.binaryRemove = function(a, b, c) {
  b = goog.array.binarySearch(a, b, c);
  return 0 <= b ? goog.array.removeAt(a, b) : !1;
};
goog.array.bucket = function(a, b, c) {
  for (var d = {}, e = 0;e < a.length;e++) {
    var f = a[e], g = b.call(c, f, e, a);
    goog.isDef(g) && (d[g] || (d[g] = [])).push(f);
  }
  return d;
};
goog.array.toObject = function(a, b, c) {
  var d = {};
  goog.array.forEach(a, function(e, f) {
    d[b.call(c, e, f, a)] = e;
  });
  return d;
};
goog.array.range = function(a, b, c) {
  var d = [], e = 0, f = a;
  c = c || 1;
  void 0 !== b && (e = a, f = b);
  if (0 > c * (f - e)) {
    return [];
  }
  if (0 < c) {
    for (a = e;a < f;a += c) {
      d.push(a);
    }
  } else {
    for (a = e;a > f;a += c) {
      d.push(a);
    }
  }
  return d;
};
goog.array.repeat = function(a, b) {
  for (var c = [], d = 0;d < b;d++) {
    c[d] = a;
  }
  return c;
};
goog.array.flatten = function(a) {
  for (var b = [], c = 0;c < arguments.length;c++) {
    var d = arguments[c];
    if (goog.isArray(d)) {
      for (var e = 0;e < d.length;e += 8192) {
        for (var f = goog.array.slice(d, e, e + 8192), f = goog.array.flatten.apply(null, f), g = 0;g < f.length;g++) {
          b.push(f[g]);
        }
      }
    } else {
      b.push(d);
    }
  }
  return b;
};
goog.array.rotate = function(a, b) {
  goog.asserts.assert(null != a.length);
  a.length && (b %= a.length, 0 < b ? goog.array.ARRAY_PROTOTYPE_.unshift.apply(a, a.splice(-b, b)) : 0 > b && goog.array.ARRAY_PROTOTYPE_.push.apply(a, a.splice(0, -b)));
  return a;
};
goog.array.moveItem = function(a, b, c) {
  goog.asserts.assert(0 <= b && b < a.length);
  goog.asserts.assert(0 <= c && c < a.length);
  b = goog.array.ARRAY_PROTOTYPE_.splice.call(a, b, 1);
  goog.array.ARRAY_PROTOTYPE_.splice.call(a, c, 0, b[0]);
};
goog.array.zip = function(a) {
  if (!arguments.length) {
    return [];
  }
  for (var b = [], c = 0;;c++) {
    for (var d = [], e = 0;e < arguments.length;e++) {
      var f = arguments[e];
      if (c >= f.length) {
        return b;
      }
      d.push(f[c]);
    }
    b.push(d);
  }
};
goog.array.shuffle = function(a, b) {
  for (var c = b || Math.random, d = a.length - 1;0 < d;d--) {
    var e = Math.floor(c() * (d + 1)), f = a[d];
    a[d] = a[e];
    a[e] = f;
  }
};
goog.array.copyByIndex = function(a, b) {
  var c = [];
  goog.array.forEach(b, function(b) {
    c.push(a[b]);
  });
  return c;
};
goog.labs = {};
goog.labs.userAgent = {};
goog.labs.userAgent.util = {};
goog.labs.userAgent.util.getNativeUserAgentString_ = function() {
  var a = goog.labs.userAgent.util.getNavigator_();
  return a && (a = a.userAgent) ? a : "";
};
goog.labs.userAgent.util.getNavigator_ = function() {
  return goog.global.navigator;
};
goog.labs.userAgent.util.userAgent_ = goog.labs.userAgent.util.getNativeUserAgentString_();
goog.labs.userAgent.util.setUserAgent = function(a) {
  goog.labs.userAgent.util.userAgent_ = a || goog.labs.userAgent.util.getNativeUserAgentString_();
};
goog.labs.userAgent.util.getUserAgent = function() {
  return goog.labs.userAgent.util.userAgent_;
};
goog.labs.userAgent.util.matchUserAgent = function(a) {
  var b = goog.labs.userAgent.util.getUserAgent();
  return goog.string.contains(b, a);
};
goog.labs.userAgent.util.matchUserAgentIgnoreCase = function(a) {
  var b = goog.labs.userAgent.util.getUserAgent();
  return goog.string.caseInsensitiveContains(b, a);
};
goog.labs.userAgent.util.extractVersionTuples = function(a) {
  for (var b = RegExp("(\\w[\\w ]+)/([^\\s]+)\\s*(?:\\((.*?)\\))?", "g"), c = [], d;d = b.exec(a);) {
    c.push([d[1], d[2], d[3] || void 0]);
  }
  return c;
};
goog.labs.userAgent.browser = {};
goog.labs.userAgent.browser.matchOpera_ = function() {
  return goog.labs.userAgent.util.matchUserAgent("Opera") || goog.labs.userAgent.util.matchUserAgent("OPR");
};
goog.labs.userAgent.browser.matchIE_ = function() {
  return goog.labs.userAgent.util.matchUserAgent("Trident") || goog.labs.userAgent.util.matchUserAgent("MSIE");
};
goog.labs.userAgent.browser.matchFirefox_ = function() {
  return goog.labs.userAgent.util.matchUserAgent("Firefox");
};
goog.labs.userAgent.browser.matchSafari_ = function() {
  return goog.labs.userAgent.util.matchUserAgent("Safari") && !(goog.labs.userAgent.browser.matchChrome_() || goog.labs.userAgent.browser.matchCoast_() || goog.labs.userAgent.browser.matchOpera_() || goog.labs.userAgent.browser.isSilk() || goog.labs.userAgent.util.matchUserAgent("Android"));
};
goog.labs.userAgent.browser.matchCoast_ = function() {
  return goog.labs.userAgent.util.matchUserAgent("Coast");
};
goog.labs.userAgent.browser.matchIosWebview_ = function() {
  return (goog.labs.userAgent.util.matchUserAgent("iPad") || goog.labs.userAgent.util.matchUserAgent("iPhone")) && !goog.labs.userAgent.browser.matchSafari_() && !goog.labs.userAgent.browser.matchChrome_() && !goog.labs.userAgent.browser.matchCoast_() && goog.labs.userAgent.util.matchUserAgent("AppleWebKit");
};
goog.labs.userAgent.browser.matchChrome_ = function() {
  return (goog.labs.userAgent.util.matchUserAgent("Chrome") || goog.labs.userAgent.util.matchUserAgent("CriOS")) && !goog.labs.userAgent.browser.matchOpera_();
};
goog.labs.userAgent.browser.matchAndroidBrowser_ = function() {
  return goog.labs.userAgent.util.matchUserAgent("Android") && !(goog.labs.userAgent.browser.isChrome() || goog.labs.userAgent.browser.isFirefox() || goog.labs.userAgent.browser.isOpera() || goog.labs.userAgent.browser.isSilk());
};
goog.labs.userAgent.browser.isOpera = goog.labs.userAgent.browser.matchOpera_;
goog.labs.userAgent.browser.isIE = goog.labs.userAgent.browser.matchIE_;
goog.labs.userAgent.browser.isFirefox = goog.labs.userAgent.browser.matchFirefox_;
goog.labs.userAgent.browser.isSafari = goog.labs.userAgent.browser.matchSafari_;
goog.labs.userAgent.browser.isCoast = goog.labs.userAgent.browser.matchCoast_;
goog.labs.userAgent.browser.isIosWebview = goog.labs.userAgent.browser.matchIosWebview_;
goog.labs.userAgent.browser.isChrome = goog.labs.userAgent.browser.matchChrome_;
goog.labs.userAgent.browser.isAndroidBrowser = goog.labs.userAgent.browser.matchAndroidBrowser_;
goog.labs.userAgent.browser.isSilk = function() {
  return goog.labs.userAgent.util.matchUserAgent("Silk");
};
goog.labs.userAgent.browser.getVersion = function() {
  function a(a) {
    a = goog.array.find(a, d);
    return c[a] || "";
  }
  var b = goog.labs.userAgent.util.getUserAgent();
  if (goog.labs.userAgent.browser.isIE()) {
    return goog.labs.userAgent.browser.getIEVersion_(b);
  }
  var b = goog.labs.userAgent.util.extractVersionTuples(b), c = {};
  goog.array.forEach(b, function(a) {
    c[a[0]] = a[1];
  });
  var d = goog.partial(goog.object.containsKey, c);
  return goog.labs.userAgent.browser.isOpera() ? a(["Version", "Opera", "OPR"]) : goog.labs.userAgent.browser.isChrome() ? a(["Chrome", "CriOS"]) : (b = b[2]) && b[1] || "";
};
goog.labs.userAgent.browser.isVersionOrHigher = function(a) {
  return 0 <= goog.string.compareVersions(goog.labs.userAgent.browser.getVersion(), a);
};
goog.labs.userAgent.browser.getIEVersion_ = function(a) {
  var b = /rv: *([\d\.]*)/.exec(a);
  if (b && b[1]) {
    return b[1];
  }
  var b = "", c = /MSIE +([\d\.]+)/.exec(a);
  if (c && c[1]) {
    if (a = /Trident\/(\d.\d)/.exec(a), "7.0" == c[1]) {
      if (a && a[1]) {
        switch(a[1]) {
          case "4.0":
            b = "8.0";
            break;
          case "5.0":
            b = "9.0";
            break;
          case "6.0":
            b = "10.0";
            break;
          case "7.0":
            b = "11.0";
        }
      } else {
        b = "7.0";
      }
    } else {
      b = c[1];
    }
  }
  return b;
};
goog.labs.userAgent.engine = {};
goog.labs.userAgent.engine.isPresto = function() {
  return goog.labs.userAgent.util.matchUserAgent("Presto");
};
goog.labs.userAgent.engine.isTrident = function() {
  return goog.labs.userAgent.util.matchUserAgent("Trident") || goog.labs.userAgent.util.matchUserAgent("MSIE");
};
goog.labs.userAgent.engine.isWebKit = function() {
  return goog.labs.userAgent.util.matchUserAgentIgnoreCase("WebKit");
};
goog.labs.userAgent.engine.isGecko = function() {
  return goog.labs.userAgent.util.matchUserAgent("Gecko") && !goog.labs.userAgent.engine.isWebKit() && !goog.labs.userAgent.engine.isTrident();
};
goog.labs.userAgent.engine.getVersion = function() {
  var a = goog.labs.userAgent.util.getUserAgent();
  if (a) {
    var a = goog.labs.userAgent.util.extractVersionTuples(a), b = a[1];
    if (b) {
      return "Gecko" == b[0] ? goog.labs.userAgent.engine.getVersionForKey_(a, "Firefox") : b[1];
    }
    var a = a[0], c;
    if (a && (c = a[2]) && (c = /Trident\/([^\s;]+)/.exec(c))) {
      return c[1];
    }
  }
  return "";
};
goog.labs.userAgent.engine.isVersionOrHigher = function(a) {
  return 0 <= goog.string.compareVersions(goog.labs.userAgent.engine.getVersion(), a);
};
goog.labs.userAgent.engine.getVersionForKey_ = function(a, b) {
  var c = goog.array.find(a, function(a) {
    return b == a[0];
  });
  return c && c[1] || "";
};
goog.labs.userAgent.platform = {};
goog.labs.userAgent.platform.isAndroid = function() {
  return goog.labs.userAgent.util.matchUserAgent("Android");
};
goog.labs.userAgent.platform.isIpod = function() {
  return goog.labs.userAgent.util.matchUserAgent("iPod");
};
goog.labs.userAgent.platform.isIphone = function() {
  return goog.labs.userAgent.util.matchUserAgent("iPhone") && !goog.labs.userAgent.util.matchUserAgent("iPod") && !goog.labs.userAgent.util.matchUserAgent("iPad");
};
goog.labs.userAgent.platform.isIpad = function() {
  return goog.labs.userAgent.util.matchUserAgent("iPad");
};
goog.labs.userAgent.platform.isIos = function() {
  return goog.labs.userAgent.platform.isIphone() || goog.labs.userAgent.platform.isIpad() || goog.labs.userAgent.platform.isIpod();
};
goog.labs.userAgent.platform.isMacintosh = function() {
  return goog.labs.userAgent.util.matchUserAgent("Macintosh");
};
goog.labs.userAgent.platform.isLinux = function() {
  return goog.labs.userAgent.util.matchUserAgent("Linux");
};
goog.labs.userAgent.platform.isWindows = function() {
  return goog.labs.userAgent.util.matchUserAgent("Windows");
};
goog.labs.userAgent.platform.isChromeOS = function() {
  return goog.labs.userAgent.util.matchUserAgent("CrOS");
};
goog.labs.userAgent.platform.getVersion = function() {
  var a = goog.labs.userAgent.util.getUserAgent(), b = "";
  goog.labs.userAgent.platform.isWindows() ? (b = /Windows (?:NT|Phone) ([0-9.]+)/, b = (a = b.exec(a)) ? a[1] : "0.0") : goog.labs.userAgent.platform.isIos() ? (b = /(?:iPhone|iPod|iPad|CPU)\s+OS\s+(\S+)/, b = (a = b.exec(a)) && a[1].replace(/_/g, ".")) : goog.labs.userAgent.platform.isMacintosh() ? (b = /Mac OS X ([0-9_.]+)/, b = (a = b.exec(a)) ? a[1].replace(/_/g, ".") : "10") : goog.labs.userAgent.platform.isAndroid() ? (b = /Android\s+([^\);]+)(\)|;)/, b = (a = b.exec(a)) && a[1]) : goog.labs.userAgent.platform.isChromeOS() && 
  (b = /(?:CrOS\s+(?:i686|x86_64)\s+([0-9.]+))/, b = (a = b.exec(a)) && a[1]);
  return b || "";
};
goog.labs.userAgent.platform.isVersionOrHigher = function(a) {
  return 0 <= goog.string.compareVersions(goog.labs.userAgent.platform.getVersion(), a);
};
goog.math.randomInt = function(a) {
  return Math.floor(Math.random() * a);
};
goog.math.uniformRandom = function(a, b) {
  return a + Math.random() * (b - a);
};
goog.math.clamp = function(a, b, c) {
  return Math.min(Math.max(a, b), c);
};
goog.math.modulo = function(a, b) {
  var c = a % b;
  return 0 > c * b ? c + b : c;
};
goog.math.lerp = function(a, b, c) {
  return a + c * (b - a);
};
goog.math.nearlyEquals = function(a, b, c) {
  return Math.abs(a - b) <= (c || 1E-6);
};
goog.math.standardAngle = function(a) {
  return goog.math.modulo(a, 360);
};
goog.math.standardAngleInRadians = function(a) {
  return goog.math.modulo(a, 2 * Math.PI);
};
goog.math.toRadians = function(a) {
  return a * Math.PI / 180;
};
goog.math.toDegrees = function(a) {
  return 180 * a / Math.PI;
};
goog.math.angleDx = function(a, b) {
  return b * Math.cos(goog.math.toRadians(a));
};
goog.math.angleDy = function(a, b) {
  return b * Math.sin(goog.math.toRadians(a));
};
goog.math.angle = function(a, b, c, d) {
  return goog.math.standardAngle(goog.math.toDegrees(Math.atan2(d - b, c - a)));
};
goog.math.angleDifference = function(a, b) {
  var c = goog.math.standardAngle(b) - goog.math.standardAngle(a);
  180 < c ? c -= 360 : -180 >= c && (c = 360 + c);
  return c;
};
goog.math.sign = function(a) {
  return 0 == a ? 0 : 0 > a ? -1 : 1;
};
goog.math.longestCommonSubsequence = function(a, b, c, d) {
  c = c || function(a, b) {
    return a == b;
  };
  d = d || function(b, c) {
    return a[b];
  };
  for (var e = a.length, f = b.length, g = [], h = 0;h < e + 1;h++) {
    g[h] = [], g[h][0] = 0;
  }
  for (var k = 0;k < f + 1;k++) {
    g[0][k] = 0;
  }
  for (h = 1;h <= e;h++) {
    for (k = 1;k <= f;k++) {
      c(a[h - 1], b[k - 1]) ? g[h][k] = g[h - 1][k - 1] + 1 : g[h][k] = Math.max(g[h - 1][k], g[h][k - 1]);
    }
  }
  for (var l = [], h = e, k = f;0 < h && 0 < k;) {
    c(a[h - 1], b[k - 1]) ? (l.unshift(d(h - 1, k - 1)), h--, k--) : g[h - 1][k] > g[h][k - 1] ? h-- : k--;
  }
  return l;
};
goog.math.sum = function(a) {
  return goog.array.reduce(arguments, function(a, c) {
    return a + c;
  }, 0);
};
goog.math.average = function(a) {
  return goog.math.sum.apply(null, arguments) / arguments.length;
};
goog.math.sampleVariance = function(a) {
  var b = arguments.length;
  if (2 > b) {
    return 0;
  }
  var c = goog.math.average.apply(null, arguments);
  return goog.math.sum.apply(null, goog.array.map(arguments, function(a) {
    return Math.pow(a - c, 2);
  })) / (b - 1);
};
goog.math.standardDeviation = function(a) {
  return Math.sqrt(goog.math.sampleVariance.apply(null, arguments));
};
goog.math.isInt = function(a) {
  return isFinite(a) && 0 == a % 1;
};
goog.math.isFiniteNumber = function(a) {
  return isFinite(a) && !isNaN(a);
};
goog.math.log10Floor = function(a) {
  if (0 < a) {
    var b = Math.round(Math.log(a) * Math.LOG10E);
    return b - (parseFloat("1e" + b) > a);
  }
  return 0 == a ? -Infinity : NaN;
};
goog.math.safeFloor = function(a, b) {
  goog.asserts.assert(!goog.isDef(b) || 0 < b);
  return Math.floor(a + (b || 2E-15));
};
goog.math.safeCeil = function(a, b) {
  goog.asserts.assert(!goog.isDef(b) || 0 < b);
  return Math.ceil(a - (b || 2E-15));
};
goog.math.Coordinate = function(a, b) {
  this.x = goog.isDef(a) ? a : 0;
  this.y = goog.isDef(b) ? b : 0;
};
goog.math.Coordinate.prototype.clone = function() {
  return new goog.math.Coordinate(this.x, this.y);
};
goog.DEBUG && (goog.math.Coordinate.prototype.toString = function() {
  return "(" + this.x + ", " + this.y + ")";
});
goog.math.Coordinate.equals = function(a, b) {
  return a == b ? !0 : a && b ? a.x == b.x && a.y == b.y : !1;
};
goog.math.Coordinate.distance = function(a, b) {
  var c = a.x - b.x, d = a.y - b.y;
  return Math.sqrt(c * c + d * d);
};
goog.math.Coordinate.magnitude = function(a) {
  return Math.sqrt(a.x * a.x + a.y * a.y);
};
goog.math.Coordinate.azimuth = function(a) {
  return goog.math.angle(0, 0, a.x, a.y);
};
goog.math.Coordinate.squaredDistance = function(a, b) {
  var c = a.x - b.x, d = a.y - b.y;
  return c * c + d * d;
};
goog.math.Coordinate.difference = function(a, b) {
  return new goog.math.Coordinate(a.x - b.x, a.y - b.y);
};
goog.math.Coordinate.sum = function(a, b) {
  return new goog.math.Coordinate(a.x + b.x, a.y + b.y);
};
goog.math.Coordinate.prototype.ceil = function() {
  this.x = Math.ceil(this.x);
  this.y = Math.ceil(this.y);
  return this;
};
goog.math.Coordinate.prototype.floor = function() {
  this.x = Math.floor(this.x);
  this.y = Math.floor(this.y);
  return this;
};
goog.math.Coordinate.prototype.round = function() {
  this.x = Math.round(this.x);
  this.y = Math.round(this.y);
  return this;
};
goog.math.Coordinate.prototype.translate = function(a, b) {
  a instanceof goog.math.Coordinate ? (this.x += a.x, this.y += a.y) : (this.x += a, goog.isNumber(b) && (this.y += b));
  return this;
};
goog.math.Coordinate.prototype.scale = function(a, b) {
  var c = goog.isNumber(b) ? b : a;
  this.x *= a;
  this.y *= c;
  return this;
};
goog.math.Coordinate.prototype.rotateRadians = function(a, b) {
  var c = b || new goog.math.Coordinate(0, 0), d = this.x, e = this.y, f = Math.cos(a), g = Math.sin(a);
  this.x = (d - c.x) * f - (e - c.y) * g + c.x;
  this.y = (d - c.x) * g + (e - c.y) * f + c.y;
};
goog.math.Coordinate.prototype.rotateDegrees = function(a, b) {
  this.rotateRadians(goog.math.toRadians(a), b);
};
goog.string.TypedString = function() {
};
goog.string.Const = function() {
  this.stringConstValueWithSecurityContract__googStringSecurityPrivate_ = "";
  this.STRING_CONST_TYPE_MARKER__GOOG_STRING_SECURITY_PRIVATE_ = goog.string.Const.TYPE_MARKER_;
};
goog.string.Const.prototype.implementsGoogStringTypedString = !0;
goog.string.Const.prototype.getTypedStringValue = function() {
  return this.stringConstValueWithSecurityContract__googStringSecurityPrivate_;
};
goog.string.Const.prototype.toString = function() {
  return "Const{" + this.stringConstValueWithSecurityContract__googStringSecurityPrivate_ + "}";
};
goog.string.Const.unwrap = function(a) {
  if (a instanceof goog.string.Const && a.constructor === goog.string.Const && a.STRING_CONST_TYPE_MARKER__GOOG_STRING_SECURITY_PRIVATE_ === goog.string.Const.TYPE_MARKER_) {
    return a.stringConstValueWithSecurityContract__googStringSecurityPrivate_;
  }
  goog.asserts.fail("expected object of type Const, got '" + a + "'");
  return "type_error:Const";
};
goog.string.Const.from = function(a) {
  return goog.string.Const.create__googStringSecurityPrivate_(a);
};
goog.string.Const.TYPE_MARKER_ = {};
goog.string.Const.create__googStringSecurityPrivate_ = function(a) {
  var b = new goog.string.Const;
  b.stringConstValueWithSecurityContract__googStringSecurityPrivate_ = a;
  return b;
};
goog.html = {};
goog.html.SafeStyle = function() {
  this.privateDoNotAccessOrElseSafeStyleWrappedValue_ = "";
  this.SAFE_STYLE_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = goog.html.SafeStyle.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_;
};
goog.html.SafeStyle.prototype.implementsGoogStringTypedString = !0;
goog.html.SafeStyle.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = {};
goog.html.SafeStyle.fromConstant = function(a) {
  a = goog.string.Const.unwrap(a);
  if (0 === a.length) {
    return goog.html.SafeStyle.EMPTY;
  }
  goog.html.SafeStyle.checkStyle_(a);
  goog.asserts.assert(goog.string.endsWith(a, ";"), "Last character of style string is not ';': " + a);
  goog.asserts.assert(goog.string.contains(a, ":"), "Style string must contain at least one ':', to specify a \"name: value\" pair: " + a);
  return goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse(a);
};
goog.html.SafeStyle.checkStyle_ = function(a) {
  goog.asserts.assert(!/[<>]/.test(a), "Forbidden characters in style string: " + a);
};
goog.html.SafeStyle.prototype.getTypedStringValue = function() {
  return this.privateDoNotAccessOrElseSafeStyleWrappedValue_;
};
goog.DEBUG && (goog.html.SafeStyle.prototype.toString = function() {
  return "SafeStyle{" + this.privateDoNotAccessOrElseSafeStyleWrappedValue_ + "}";
});
goog.html.SafeStyle.unwrap = function(a) {
  if (a instanceof goog.html.SafeStyle && a.constructor === goog.html.SafeStyle && a.SAFE_STYLE_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ === goog.html.SafeStyle.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_) {
    return a.privateDoNotAccessOrElseSafeStyleWrappedValue_;
  }
  goog.asserts.fail("expected object of type SafeStyle, got '" + a + "'");
  return "type_error:SafeStyle";
};
goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse = function(a) {
  return (new goog.html.SafeStyle).initSecurityPrivateDoNotAccessOrElse_(a);
};
goog.html.SafeStyle.prototype.initSecurityPrivateDoNotAccessOrElse_ = function(a) {
  this.privateDoNotAccessOrElseSafeStyleWrappedValue_ = a;
  return this;
};
goog.html.SafeStyle.EMPTY = goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse("");
goog.html.SafeStyle.INNOCUOUS_STRING = "zClosurez";
goog.html.SafeStyle.create = function(a) {
  var b = "", c;
  for (c in a) {
    if (!/^[-_a-zA-Z0-9]+$/.test(c)) {
      throw Error("Name allows only [-_a-zA-Z0-9], got: " + c);
    }
    var d = a[c];
    null != d && (d instanceof goog.string.Const ? (d = goog.string.Const.unwrap(d), goog.asserts.assert(!/[{;}]/.test(d), "Value does not allow [{;}].")) : goog.html.SafeStyle.VALUE_RE_.test(d) ? goog.html.SafeStyle.hasBalancedQuotes_(d) || (goog.asserts.fail("String value requires balanced quotes, got: " + d), d = goog.html.SafeStyle.INNOCUOUS_STRING) : (goog.asserts.fail("String value allows only [-,.\"'%_!# a-zA-Z0-9], got: " + d), d = goog.html.SafeStyle.INNOCUOUS_STRING), b += c + ":" + d + 
    ";");
  }
  if (!b) {
    return goog.html.SafeStyle.EMPTY;
  }
  goog.html.SafeStyle.checkStyle_(b);
  return goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse(b);
};
goog.html.SafeStyle.hasBalancedQuotes_ = function(a) {
  for (var b = !0, c = !0, d = 0;d < a.length;d++) {
    var e = a.charAt(d);
    "'" == e && c ? b = !b : '"' == e && b && (c = !c);
  }
  return b && c;
};
goog.html.SafeStyle.VALUE_RE_ = /^[-,."'%_!# a-zA-Z0-9]+$/;
goog.html.SafeStyle.concat = function(a) {
  var b = "", c = function(a) {
    goog.isArray(a) ? goog.array.forEach(a, c) : b += goog.html.SafeStyle.unwrap(a);
  };
  goog.array.forEach(arguments, c);
  return b ? goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse(b) : goog.html.SafeStyle.EMPTY;
};
goog.html.SafeStyleSheet = function() {
  this.privateDoNotAccessOrElseSafeStyleSheetWrappedValue_ = "";
  this.SAFE_SCRIPT_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = goog.html.SafeStyleSheet.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_;
};
goog.html.SafeStyleSheet.prototype.implementsGoogStringTypedString = !0;
goog.html.SafeStyleSheet.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = {};
goog.html.SafeStyleSheet.concat = function(a) {
  var b = "", c = function(a) {
    goog.isArray(a) ? goog.array.forEach(a, c) : b += goog.html.SafeStyleSheet.unwrap(a);
  };
  goog.array.forEach(arguments, c);
  return goog.html.SafeStyleSheet.createSafeStyleSheetSecurityPrivateDoNotAccessOrElse(b);
};
goog.html.SafeStyleSheet.fromConstant = function(a) {
  a = goog.string.Const.unwrap(a);
  if (0 === a.length) {
    return goog.html.SafeStyleSheet.EMPTY;
  }
  goog.asserts.assert(!goog.string.contains(a, "<"), "Forbidden '<' character in style sheet string: " + a);
  return goog.html.SafeStyleSheet.createSafeStyleSheetSecurityPrivateDoNotAccessOrElse(a);
};
goog.html.SafeStyleSheet.prototype.getTypedStringValue = function() {
  return this.privateDoNotAccessOrElseSafeStyleSheetWrappedValue_;
};
goog.DEBUG && (goog.html.SafeStyleSheet.prototype.toString = function() {
  return "SafeStyleSheet{" + this.privateDoNotAccessOrElseSafeStyleSheetWrappedValue_ + "}";
});
goog.html.SafeStyleSheet.unwrap = function(a) {
  if (a instanceof goog.html.SafeStyleSheet && a.constructor === goog.html.SafeStyleSheet && a.SAFE_SCRIPT_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ === goog.html.SafeStyleSheet.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_) {
    return a.privateDoNotAccessOrElseSafeStyleSheetWrappedValue_;
  }
  goog.asserts.fail("expected object of type SafeStyleSheet, got '" + a + "'");
  return "type_error:SafeStyleSheet";
};
goog.html.SafeStyleSheet.createSafeStyleSheetSecurityPrivateDoNotAccessOrElse = function(a) {
  return (new goog.html.SafeStyleSheet).initSecurityPrivateDoNotAccessOrElse_(a);
};
goog.html.SafeStyleSheet.prototype.initSecurityPrivateDoNotAccessOrElse_ = function(a) {
  this.privateDoNotAccessOrElseSafeStyleSheetWrappedValue_ = a;
  return this;
};
goog.html.SafeStyleSheet.EMPTY = goog.html.SafeStyleSheet.createSafeStyleSheetSecurityPrivateDoNotAccessOrElse("");
goog.html.SafeUrl = function() {
  this.privateDoNotAccessOrElseSafeHtmlWrappedValue_ = "";
  this.SAFE_URL_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = goog.html.SafeUrl.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_;
};
goog.html.SafeUrl.INNOCUOUS_STRING = "about:invalid#zClosurez";
goog.html.SafeUrl.prototype.implementsGoogStringTypedString = !0;
goog.html.SafeUrl.prototype.getTypedStringValue = function() {
  return this.privateDoNotAccessOrElseSafeHtmlWrappedValue_;
};
goog.html.SafeUrl.prototype.implementsGoogI18nBidiDirectionalString = !0;
goog.html.SafeUrl.prototype.getDirection = function() {
  return goog.i18n.bidi.Dir.LTR;
};
goog.DEBUG && (goog.html.SafeUrl.prototype.toString = function() {
  return "SafeUrl{" + this.privateDoNotAccessOrElseSafeHtmlWrappedValue_ + "}";
});
goog.html.SafeUrl.unwrap = function(a) {
  if (a instanceof goog.html.SafeUrl && a.constructor === goog.html.SafeUrl && a.SAFE_URL_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ === goog.html.SafeUrl.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_) {
    return a.privateDoNotAccessOrElseSafeHtmlWrappedValue_;
  }
  goog.asserts.fail("expected object of type SafeUrl, got '" + a + "'");
  return "type_error:SafeUrl";
};
goog.html.SafeUrl.fromConstant = function(a) {
  return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(goog.string.Const.unwrap(a));
};
goog.html.SAFE_BLOB_TYPE_PATTERN_ = /^image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)$/i;
goog.html.SafeUrl.fromBlob = function(a) {
  a = goog.html.SAFE_BLOB_TYPE_PATTERN_.test(a.type) ? goog.fs.url.createObjectUrl(a) : goog.html.SafeUrl.INNOCUOUS_STRING;
  return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a);
};
goog.html.SAFE_URL_PATTERN_ = /^(?:(?:https?|mailto|ftp):|[^&:/?#]*(?:[/?#]|$))/i;
goog.html.SafeUrl.sanitize = function(a) {
  if (a instanceof goog.html.SafeUrl) {
    return a;
  }
  a = a.implementsGoogStringTypedString ? a.getTypedStringValue() : String(a);
  a = goog.html.SAFE_URL_PATTERN_.test(a) ? goog.html.SafeUrl.normalize_(a) : goog.html.SafeUrl.INNOCUOUS_STRING;
  return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a);
};
goog.html.SafeUrl.normalize_ = function(a) {
  try {
    var b = encodeURI(a);
  } catch (c) {
    return goog.html.SafeUrl.INNOCUOUS_STRING;
  }
  return b.replace(goog.html.SafeUrl.NORMALIZE_MATCHER_, function(a) {
    return goog.html.SafeUrl.NORMALIZE_REPLACER_MAP_[a];
  });
};
goog.html.SafeUrl.NORMALIZE_MATCHER_ = /[()']|%5B|%5D|%25/g;
goog.html.SafeUrl.NORMALIZE_REPLACER_MAP_ = {"'":"%27", "(":"%28", ")":"%29", "%5B":"[", "%5D":"]", "%25":"%"};
goog.html.SafeUrl.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = {};
goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse = function(a) {
  var b = new goog.html.SafeUrl;
  b.privateDoNotAccessOrElseSafeHtmlWrappedValue_ = a;
  return b;
};
goog.html.TrustedResourceUrl = function() {
  this.privateDoNotAccessOrElseTrustedResourceUrlWrappedValue_ = "";
  this.TRUSTED_RESOURCE_URL_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = goog.html.TrustedResourceUrl.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_;
};
goog.html.TrustedResourceUrl.prototype.implementsGoogStringTypedString = !0;
goog.html.TrustedResourceUrl.prototype.getTypedStringValue = function() {
  return this.privateDoNotAccessOrElseTrustedResourceUrlWrappedValue_;
};
goog.html.TrustedResourceUrl.prototype.implementsGoogI18nBidiDirectionalString = !0;
goog.html.TrustedResourceUrl.prototype.getDirection = function() {
  return goog.i18n.bidi.Dir.LTR;
};
goog.DEBUG && (goog.html.TrustedResourceUrl.prototype.toString = function() {
  return "TrustedResourceUrl{" + this.privateDoNotAccessOrElseTrustedResourceUrlWrappedValue_ + "}";
});
goog.html.TrustedResourceUrl.unwrap = function(a) {
  if (a instanceof goog.html.TrustedResourceUrl && a.constructor === goog.html.TrustedResourceUrl && a.TRUSTED_RESOURCE_URL_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ === goog.html.TrustedResourceUrl.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_) {
    return a.privateDoNotAccessOrElseTrustedResourceUrlWrappedValue_;
  }
  goog.asserts.fail("expected object of type TrustedResourceUrl, got '" + a + "'");
  return "type_error:TrustedResourceUrl";
};
goog.html.TrustedResourceUrl.fromConstant = function(a) {
  return goog.html.TrustedResourceUrl.createTrustedResourceUrlSecurityPrivateDoNotAccessOrElse(goog.string.Const.unwrap(a));
};
goog.html.TrustedResourceUrl.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = {};
goog.html.TrustedResourceUrl.createTrustedResourceUrlSecurityPrivateDoNotAccessOrElse = function(a) {
  var b = new goog.html.TrustedResourceUrl;
  b.privateDoNotAccessOrElseTrustedResourceUrlWrappedValue_ = a;
  return b;
};
goog.html.SafeHtml = function() {
  this.privateDoNotAccessOrElseSafeHtmlWrappedValue_ = "";
  this.SAFE_HTML_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = goog.html.SafeHtml.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_;
  this.dir_ = null;
};
goog.html.SafeHtml.prototype.implementsGoogI18nBidiDirectionalString = !0;
goog.html.SafeHtml.prototype.getDirection = function() {
  return this.dir_;
};
goog.html.SafeHtml.prototype.implementsGoogStringTypedString = !0;
goog.html.SafeHtml.prototype.getTypedStringValue = function() {
  return this.privateDoNotAccessOrElseSafeHtmlWrappedValue_;
};
goog.DEBUG && (goog.html.SafeHtml.prototype.toString = function() {
  return "SafeHtml{" + this.privateDoNotAccessOrElseSafeHtmlWrappedValue_ + "}";
});
goog.html.SafeHtml.unwrap = function(a) {
  if (a instanceof goog.html.SafeHtml && a.constructor === goog.html.SafeHtml && a.SAFE_HTML_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ === goog.html.SafeHtml.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_) {
    return a.privateDoNotAccessOrElseSafeHtmlWrappedValue_;
  }
  goog.asserts.fail("expected object of type SafeHtml, got '" + a + "'");
  return "type_error:SafeHtml";
};
goog.html.SafeHtml.htmlEscape = function(a) {
  if (a instanceof goog.html.SafeHtml) {
    return a;
  }
  var b = null;
  a.implementsGoogI18nBidiDirectionalString && (b = a.getDirection());
  a = a.implementsGoogStringTypedString ? a.getTypedStringValue() : String(a);
  return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(goog.string.htmlEscape(a), b);
};
goog.html.SafeHtml.htmlEscapePreservingNewlines = function(a) {
  if (a instanceof goog.html.SafeHtml) {
    return a;
  }
  a = goog.html.SafeHtml.htmlEscape(a);
  return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(goog.string.newLineToBr(goog.html.SafeHtml.unwrap(a)), a.getDirection());
};
goog.html.SafeHtml.htmlEscapePreservingNewlinesAndSpaces = function(a) {
  if (a instanceof goog.html.SafeHtml) {
    return a;
  }
  a = goog.html.SafeHtml.htmlEscape(a);
  return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(goog.string.whitespaceEscape(goog.html.SafeHtml.unwrap(a)), a.getDirection());
};
goog.html.SafeHtml.from = goog.html.SafeHtml.htmlEscape;
goog.html.SafeHtml.VALID_NAMES_IN_TAG_ = /^[a-zA-Z0-9-]+$/;
goog.html.SafeHtml.URL_ATTRIBUTES_ = {action:!0, cite:!0, data:!0, formaction:!0, href:!0, manifest:!0, poster:!0, src:!0};
goog.html.SafeHtml.NOT_ALLOWED_TAG_NAMES_ = {embed:!0, iframe:!0, link:!0, object:!0, script:!0, style:!0, template:!0};
goog.html.SafeHtml.create = function(a, b, c) {
  if (!goog.html.SafeHtml.VALID_NAMES_IN_TAG_.test(a)) {
    throw Error("Invalid tag name <" + a + ">.");
  }
  if (a.toLowerCase() in goog.html.SafeHtml.NOT_ALLOWED_TAG_NAMES_) {
    throw Error("Tag name <" + a + "> is not allowed for SafeHtml.");
  }
  return goog.html.SafeHtml.createSafeHtmlTagSecurityPrivateDoNotAccessOrElse(a, b, c);
};
goog.html.SafeHtml.createIframe = function(a, b, c, d) {
  var e = {};
  e.src = a || null;
  e.srcdoc = b || null;
  a = goog.html.SafeHtml.combineAttributes(e, {sandbox:""}, c);
  return goog.html.SafeHtml.createSafeHtmlTagSecurityPrivateDoNotAccessOrElse("iframe", a, d);
};
goog.html.SafeHtml.createStyle = function(a, b) {
  var c = goog.html.SafeHtml.combineAttributes({type:"text/css"}, {}, b), d = "";
  a = goog.array.concat(a);
  for (var e = 0;e < a.length;e++) {
    d += goog.html.SafeStyleSheet.unwrap(a[e]);
  }
  d = goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(d, goog.i18n.bidi.Dir.NEUTRAL);
  return goog.html.SafeHtml.createSafeHtmlTagSecurityPrivateDoNotAccessOrElse("style", c, d);
};
goog.html.SafeHtml.getAttrNameAndValue_ = function(a, b, c) {
  if (c instanceof goog.string.Const) {
    c = goog.string.Const.unwrap(c);
  } else {
    if ("style" == b.toLowerCase()) {
      c = goog.html.SafeHtml.getStyleValue_(c);
    } else {
      if (/^on/i.test(b)) {
        throw Error('Attribute "' + b + '" requires goog.string.Const value, "' + c + '" given.');
      }
      if (b.toLowerCase() in goog.html.SafeHtml.URL_ATTRIBUTES_) {
        if (c instanceof goog.html.TrustedResourceUrl) {
          c = goog.html.TrustedResourceUrl.unwrap(c);
        } else {
          if (c instanceof goog.html.SafeUrl) {
            c = goog.html.SafeUrl.unwrap(c);
          } else {
            throw Error('Attribute "' + b + '" on tag "' + a + '" requires goog.html.SafeUrl or goog.string.Const value, "' + c + '" given.');
          }
        }
      }
    }
  }
  c.implementsGoogStringTypedString && (c = c.getTypedStringValue());
  goog.asserts.assert(goog.isString(c) || goog.isNumber(c), "String or number value expected, got " + typeof c + " with value: " + c);
  return b + '="' + goog.string.htmlEscape(String(c)) + '"';
};
goog.html.SafeHtml.getStyleValue_ = function(a) {
  if (!goog.isObject(a)) {
    throw Error('The "style" attribute requires goog.html.SafeStyle or map of style properties, ' + typeof a + " given: " + a);
  }
  a instanceof goog.html.SafeStyle || (a = goog.html.SafeStyle.create(a));
  return goog.html.SafeStyle.unwrap(a);
};
goog.html.SafeHtml.createWithDir = function(a, b, c, d) {
  b = goog.html.SafeHtml.create(b, c, d);
  b.dir_ = a;
  return b;
};
goog.html.SafeHtml.concat = function(a) {
  var b = goog.i18n.bidi.Dir.NEUTRAL, c = "", d = function(a) {
    goog.isArray(a) ? goog.array.forEach(a, d) : (a = goog.html.SafeHtml.htmlEscape(a), c += goog.html.SafeHtml.unwrap(a), a = a.getDirection(), b == goog.i18n.bidi.Dir.NEUTRAL ? b = a : a != goog.i18n.bidi.Dir.NEUTRAL && b != a && (b = null));
  };
  goog.array.forEach(arguments, d);
  return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(c, b);
};
goog.html.SafeHtml.concatWithDir = function(a, b) {
  var c = goog.html.SafeHtml.concat(goog.array.slice(arguments, 1));
  c.dir_ = a;
  return c;
};
goog.html.SafeHtml.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = {};
goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse = function(a, b) {
  return (new goog.html.SafeHtml).initSecurityPrivateDoNotAccessOrElse_(a, b);
};
goog.html.SafeHtml.prototype.initSecurityPrivateDoNotAccessOrElse_ = function(a, b) {
  this.privateDoNotAccessOrElseSafeHtmlWrappedValue_ = a;
  this.dir_ = b;
  return this;
};
goog.html.SafeHtml.createSafeHtmlTagSecurityPrivateDoNotAccessOrElse = function(a, b, c) {
  var d = null, e = "<" + a;
  if (b) {
    for (var f in b) {
      if (!goog.html.SafeHtml.VALID_NAMES_IN_TAG_.test(f)) {
        throw Error('Invalid attribute name "' + f + '".');
      }
      var g = b[f];
      goog.isDefAndNotNull(g) && (e += " " + goog.html.SafeHtml.getAttrNameAndValue_(a, f, g));
    }
  }
  goog.isDef(c) ? goog.isArray(c) || (c = [c]) : c = [];
  goog.dom.tags.isVoidTag(a.toLowerCase()) ? (goog.asserts.assert(!c.length, "Void tag <" + a + "> does not allow content."), e += ">") : (d = goog.html.SafeHtml.concat(c), e += ">" + goog.html.SafeHtml.unwrap(d) + "</" + a + ">", d = d.getDirection());
  (a = b && b.dir) && (d = /^(ltr|rtl|auto)$/i.test(a) ? goog.i18n.bidi.Dir.NEUTRAL : null);
  return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(e, d);
};
goog.html.SafeHtml.combineAttributes = function(a, b, c) {
  var d = {}, e;
  for (e in a) {
    goog.asserts.assert(e.toLowerCase() == e, "Must be lower case"), d[e] = a[e];
  }
  for (e in b) {
    goog.asserts.assert(e.toLowerCase() == e, "Must be lower case"), d[e] = b[e];
  }
  for (e in c) {
    var f = e.toLowerCase();
    if (f in a) {
      throw Error('Cannot override "' + f + '" attribute, got "' + e + '" with value "' + c[e] + '"');
    }
    f in b && delete d[f];
    d[e] = c[e];
  }
  return d;
};
goog.html.SafeHtml.EMPTY = goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse("", goog.i18n.bidi.Dir.NEUTRAL);
goog.dom.safe = {};
goog.dom.safe.setInnerHtml = function(a, b) {
  a.innerHTML = goog.html.SafeHtml.unwrap(b);
};
goog.dom.safe.setOuterHtml = function(a, b) {
  a.outerHTML = goog.html.SafeHtml.unwrap(b);
};
goog.dom.safe.documentWrite = function(a, b) {
  a.write(goog.html.SafeHtml.unwrap(b));
};
goog.dom.safe.setAnchorHref = function(a, b) {
  var c;
  c = b instanceof goog.html.SafeUrl ? b : goog.html.SafeUrl.sanitize(b);
  a.href = goog.html.SafeUrl.unwrap(c);
};
goog.dom.safe.setLocationHref = function(a, b) {
  var c;
  c = b instanceof goog.html.SafeUrl ? b : goog.html.SafeUrl.sanitize(b);
  a.href = goog.html.SafeUrl.unwrap(c);
};
goog.userAgent = {};
goog.userAgent.ASSUME_IE = !1;
goog.userAgent.ASSUME_GECKO = !1;
goog.userAgent.ASSUME_WEBKIT = !1;
goog.userAgent.ASSUME_MOBILE_WEBKIT = !1;
goog.userAgent.ASSUME_OPERA = !1;
goog.userAgent.ASSUME_ANY_VERSION = !1;
goog.userAgent.BROWSER_KNOWN_ = goog.userAgent.ASSUME_IE || goog.userAgent.ASSUME_GECKO || goog.userAgent.ASSUME_MOBILE_WEBKIT || goog.userAgent.ASSUME_WEBKIT || goog.userAgent.ASSUME_OPERA;
goog.userAgent.getUserAgentString = function() {
  return goog.labs.userAgent.util.getUserAgent();
};
goog.userAgent.getNavigator = function() {
  return goog.global.navigator || null;
};
goog.userAgent.OPERA = goog.userAgent.BROWSER_KNOWN_ ? goog.userAgent.ASSUME_OPERA : goog.labs.userAgent.browser.isOpera();
goog.userAgent.IE = goog.userAgent.BROWSER_KNOWN_ ? goog.userAgent.ASSUME_IE : goog.labs.userAgent.browser.isIE();
goog.userAgent.GECKO = goog.userAgent.BROWSER_KNOWN_ ? goog.userAgent.ASSUME_GECKO : goog.labs.userAgent.engine.isGecko();
goog.userAgent.WEBKIT = goog.userAgent.BROWSER_KNOWN_ ? goog.userAgent.ASSUME_WEBKIT || goog.userAgent.ASSUME_MOBILE_WEBKIT : goog.labs.userAgent.engine.isWebKit();
goog.userAgent.isMobile_ = function() {
  return goog.userAgent.WEBKIT && goog.labs.userAgent.util.matchUserAgent("Mobile");
};
goog.userAgent.MOBILE = goog.userAgent.ASSUME_MOBILE_WEBKIT || goog.userAgent.isMobile_();
goog.userAgent.SAFARI = goog.userAgent.WEBKIT;
goog.userAgent.determinePlatform_ = function() {
  var a = goog.userAgent.getNavigator();
  return a && a.platform || "";
};
goog.userAgent.PLATFORM = goog.userAgent.determinePlatform_();
goog.userAgent.ASSUME_MAC = !1;
goog.userAgent.ASSUME_WINDOWS = !1;
goog.userAgent.ASSUME_LINUX = !1;
goog.userAgent.ASSUME_X11 = !1;
goog.userAgent.ASSUME_ANDROID = !1;
goog.userAgent.ASSUME_IPHONE = !1;
goog.userAgent.ASSUME_IPAD = !1;
goog.userAgent.PLATFORM_KNOWN_ = goog.userAgent.ASSUME_MAC || goog.userAgent.ASSUME_WINDOWS || goog.userAgent.ASSUME_LINUX || goog.userAgent.ASSUME_X11 || goog.userAgent.ASSUME_ANDROID || goog.userAgent.ASSUME_IPHONE || goog.userAgent.ASSUME_IPAD;
goog.userAgent.MAC = goog.userAgent.PLATFORM_KNOWN_ ? goog.userAgent.ASSUME_MAC : goog.labs.userAgent.platform.isMacintosh();
goog.userAgent.WINDOWS = goog.userAgent.PLATFORM_KNOWN_ ? goog.userAgent.ASSUME_WINDOWS : goog.labs.userAgent.platform.isWindows();
goog.userAgent.isLegacyLinux_ = function() {
  return goog.labs.userAgent.platform.isLinux() || goog.labs.userAgent.platform.isChromeOS();
};
goog.userAgent.LINUX = goog.userAgent.PLATFORM_KNOWN_ ? goog.userAgent.ASSUME_LINUX : goog.userAgent.isLegacyLinux_();
goog.userAgent.isX11_ = function() {
  var a = goog.userAgent.getNavigator();
  return !!a && goog.string.contains(a.appVersion || "", "X11");
};
goog.userAgent.X11 = goog.userAgent.PLATFORM_KNOWN_ ? goog.userAgent.ASSUME_X11 : goog.userAgent.isX11_();
goog.userAgent.ANDROID = goog.userAgent.PLATFORM_KNOWN_ ? goog.userAgent.ASSUME_ANDROID : goog.labs.userAgent.platform.isAndroid();
goog.userAgent.IPHONE = goog.userAgent.PLATFORM_KNOWN_ ? goog.userAgent.ASSUME_IPHONE : goog.labs.userAgent.platform.isIphone();
goog.userAgent.IPAD = goog.userAgent.PLATFORM_KNOWN_ ? goog.userAgent.ASSUME_IPAD : goog.labs.userAgent.platform.isIpad();
goog.userAgent.determineVersion_ = function() {
  var a = "", b;
  if (goog.userAgent.OPERA && goog.global.opera) {
    return a = goog.global.opera.version, goog.isFunction(a) ? a() : a;
  }
  goog.userAgent.GECKO ? b = /rv\:([^\);]+)(\)|;)/ : goog.userAgent.IE ? b = /\b(?:MSIE|rv)[: ]([^\);]+)(\)|;)/ : goog.userAgent.WEBKIT && (b = /WebKit\/(\S+)/);
  b && (a = (a = b.exec(goog.userAgent.getUserAgentString())) ? a[1] : "");
  return goog.userAgent.IE && (b = goog.userAgent.getDocumentMode_(), b > parseFloat(a)) ? String(b) : a;
};
goog.userAgent.getDocumentMode_ = function() {
  var a = goog.global.document;
  return a ? a.documentMode : void 0;
};
goog.userAgent.VERSION = goog.userAgent.determineVersion_();
goog.userAgent.compare = function(a, b) {
  return goog.string.compareVersions(a, b);
};
goog.userAgent.isVersionOrHigherCache_ = {};
goog.userAgent.isVersionOrHigher = function(a) {
  return goog.userAgent.ASSUME_ANY_VERSION || goog.userAgent.isVersionOrHigherCache_[a] || (goog.userAgent.isVersionOrHigherCache_[a] = 0 <= goog.string.compareVersions(goog.userAgent.VERSION, a));
};
goog.userAgent.isVersion = goog.userAgent.isVersionOrHigher;
goog.userAgent.isDocumentModeOrHigher = function(a) {
  return goog.userAgent.IE && goog.userAgent.DOCUMENT_MODE >= a;
};
goog.userAgent.isDocumentMode = goog.userAgent.isDocumentModeOrHigher;
goog.userAgent.DOCUMENT_MODE = function() {
  var a = goog.global.document;
  return a && goog.userAgent.IE ? goog.userAgent.getDocumentMode_() || ("CSS1Compat" == a.compatMode ? parseInt(goog.userAgent.VERSION, 10) : 5) : void 0;
}();
goog.dom.BrowserFeature = {CAN_ADD_NAME_OR_TYPE_ATTRIBUTES:!goog.userAgent.IE || goog.userAgent.isDocumentModeOrHigher(9), CAN_USE_CHILDREN_ATTRIBUTE:!goog.userAgent.GECKO && !goog.userAgent.IE || goog.userAgent.IE && goog.userAgent.isDocumentModeOrHigher(9) || goog.userAgent.GECKO && goog.userAgent.isVersionOrHigher("1.9.1"), CAN_USE_INNER_TEXT:goog.userAgent.IE && !goog.userAgent.isVersionOrHigher("9"), CAN_USE_PARENT_ELEMENT_PROPERTY:goog.userAgent.IE || goog.userAgent.OPERA || goog.userAgent.WEBKIT, 
INNER_HTML_NEEDS_SCOPED_ELEMENT:goog.userAgent.IE, LEGACY_IE_RANGES:goog.userAgent.IE && !goog.userAgent.isDocumentModeOrHigher(9)};
goog.dom.ASSUME_QUIRKS_MODE = !1;
goog.dom.ASSUME_STANDARDS_MODE = !1;
goog.dom.COMPAT_MODE_KNOWN_ = goog.dom.ASSUME_QUIRKS_MODE || goog.dom.ASSUME_STANDARDS_MODE;
goog.dom.getDomHelper = function(a) {
  return a ? new goog.dom.DomHelper(goog.dom.getOwnerDocument(a)) : goog.dom.defaultDomHelper_ || (goog.dom.defaultDomHelper_ = new goog.dom.DomHelper);
};
goog.dom.getDocument = function() {
  return document;
};
goog.dom.getElement = function(a) {
  return goog.dom.getElementHelper_(document, a);
};
goog.dom.getElementHelper_ = function(a, b) {
  return goog.isString(b) ? a.getElementById(b) : b;
};
goog.dom.getRequiredElement = function(a) {
  return goog.dom.getRequiredElementHelper_(document, a);
};
goog.dom.getRequiredElementHelper_ = function(a, b) {
  goog.asserts.assertString(b);
  var c = goog.dom.getElementHelper_(a, b);
  return c = goog.asserts.assertElement(c, "No element found with id: " + b);
};
goog.dom.$ = goog.dom.getElement;
goog.dom.getElementsByTagNameAndClass = function(a, b, c) {
  return goog.dom.getElementsByTagNameAndClass_(document, a, b, c);
};
goog.dom.getElementsByClass = function(a, b) {
  var c = b || document;
  return goog.dom.canUseQuerySelector_(c) ? c.querySelectorAll("." + a) : goog.dom.getElementsByTagNameAndClass_(document, "*", a, b);
};
goog.dom.getElementByClass = function(a, b) {
  var c = b || document, d = null;
  return (d = c.getElementsByClassName ? c.getElementsByClassName(a)[0] : goog.dom.canUseQuerySelector_(c) ? c.querySelector("." + a) : goog.dom.getElementsByTagNameAndClass_(document, "*", a, b)[0]) || null;
};
goog.dom.getRequiredElementByClass = function(a, b) {
  var c = goog.dom.getElementByClass(a, b);
  return goog.asserts.assert(c, "No element found with className: " + a);
};
goog.dom.canUseQuerySelector_ = function(a) {
  return !(!a.querySelectorAll || !a.querySelector);
};
goog.dom.getElementsByTagNameAndClass_ = function(a, b, c, d) {
  a = d || a;
  b = b && "*" != b ? b.toUpperCase() : "";
  if (goog.dom.canUseQuerySelector_(a) && (b || c)) {
    return a.querySelectorAll(b + (c ? "." + c : ""));
  }
  if (c && a.getElementsByClassName) {
    a = a.getElementsByClassName(c);
    if (b) {
      d = {};
      for (var e = 0, f = 0, g;g = a[f];f++) {
        b == g.nodeName && (d[e++] = g);
      }
      d.length = e;
      return d;
    }
    return a;
  }
  a = a.getElementsByTagName(b || "*");
  if (c) {
    d = {};
    for (f = e = 0;g = a[f];f++) {
      b = g.className, "function" == typeof b.split && goog.array.contains(b.split(/\s+/), c) && (d[e++] = g);
    }
    d.length = e;
    return d;
  }
  return a;
};
goog.dom.$$ = goog.dom.getElementsByTagNameAndClass;
goog.dom.setProperties = function(a, b) {
  goog.object.forEach(b, function(b, d) {
    "style" == d ? a.style.cssText = b : "class" == d ? a.className = b : "for" == d ? a.htmlFor = b : d in goog.dom.DIRECT_ATTRIBUTE_MAP_ ? a.setAttribute(goog.dom.DIRECT_ATTRIBUTE_MAP_[d], b) : goog.string.startsWith(d, "aria-") || goog.string.startsWith(d, "data-") ? a.setAttribute(d, b) : a[d] = b;
  });
};
goog.dom.DIRECT_ATTRIBUTE_MAP_ = {cellpadding:"cellPadding", cellspacing:"cellSpacing", colspan:"colSpan", frameborder:"frameBorder", height:"height", maxlength:"maxLength", role:"role", rowspan:"rowSpan", type:"type", usemap:"useMap", valign:"vAlign", width:"width"};
goog.dom.getViewportSize = function(a) {
  return goog.dom.getViewportSize_(a || window);
};
goog.dom.getViewportSize_ = function(a) {
  a = a.document;
  a = goog.dom.isCss1CompatMode_(a) ? a.documentElement : a.body;
  return new goog.math.Size(a.clientWidth, a.clientHeight);
};
goog.dom.getDocumentHeight = function() {
  return goog.dom.getDocumentHeight_(window);
};
goog.dom.getDocumentHeight_ = function(a) {
  var b = a.document, c = 0;
  if (b) {
    var c = b.body, d = b.documentElement;
    if (!d || !c) {
      return 0;
    }
    a = goog.dom.getViewportSize_(a).height;
    if (goog.dom.isCss1CompatMode_(b) && d.scrollHeight) {
      c = d.scrollHeight != a ? d.scrollHeight : d.offsetHeight;
    } else {
      var b = d.scrollHeight, e = d.offsetHeight;
      d.clientHeight != e && (b = c.scrollHeight, e = c.offsetHeight);
      c = b > a ? b > e ? b : e : b < e ? b : e;
    }
  }
  return c;
};
goog.dom.getPageScroll = function(a) {
  return goog.dom.getDomHelper((a || goog.global || window).document).getDocumentScroll();
};
goog.dom.getDocumentScroll = function() {
  return goog.dom.getDocumentScroll_(document);
};
goog.dom.getDocumentScroll_ = function(a) {
  var b = goog.dom.getDocumentScrollElement_(a);
  a = goog.dom.getWindow_(a);
  return goog.userAgent.IE && goog.userAgent.isVersionOrHigher("10") && a.pageYOffset != b.scrollTop ? new goog.math.Coordinate(b.scrollLeft, b.scrollTop) : new goog.math.Coordinate(a.pageXOffset || b.scrollLeft, a.pageYOffset || b.scrollTop);
};
goog.dom.getDocumentScrollElement = function() {
  return goog.dom.getDocumentScrollElement_(document);
};
goog.dom.getDocumentScrollElement_ = function(a) {
  return !goog.userAgent.WEBKIT && goog.dom.isCss1CompatMode_(a) ? a.documentElement : a.body || a.documentElement;
};
goog.dom.getWindow = function(a) {
  return a ? goog.dom.getWindow_(a) : window;
};
goog.dom.getWindow_ = function(a) {
  return a.parentWindow || a.defaultView;
};
goog.dom.createDom = function(a, b, c) {
  return goog.dom.createDom_(document, arguments);
};
goog.dom.createDom_ = function(a, b) {
  var c = b[0], d = b[1];
  if (!goog.dom.BrowserFeature.CAN_ADD_NAME_OR_TYPE_ATTRIBUTES && d && (d.name || d.type)) {
    c = ["<", c];
    d.name && c.push(' name="', goog.string.htmlEscape(d.name), '"');
    if (d.type) {
      c.push(' type="', goog.string.htmlEscape(d.type), '"');
      var e = {};
      goog.object.extend(e, d);
      delete e.type;
      d = e;
    }
    c.push(">");
    c = c.join("");
  }
  c = a.createElement(c);
  d && (goog.isString(d) ? c.className = d : goog.isArray(d) ? c.className = d.join(" ") : goog.dom.setProperties(c, d));
  2 < b.length && goog.dom.append_(a, c, b, 2);
  return c;
};
goog.dom.append_ = function(a, b, c, d) {
  function e(c) {
    c && b.appendChild(goog.isString(c) ? a.createTextNode(c) : c);
  }
  for (;d < c.length;d++) {
    var f = c[d];
    goog.isArrayLike(f) && !goog.dom.isNodeLike(f) ? goog.array.forEach(goog.dom.isNodeList(f) ? goog.array.toArray(f) : f, e) : e(f);
  }
};
goog.dom.$dom = goog.dom.createDom;
goog.dom.createElement = function(a) {
  return document.createElement(a);
};
goog.dom.createTextNode = function(a) {
  return document.createTextNode(String(a));
};
goog.dom.createTable = function(a, b, c) {
  return goog.dom.createTable_(document, a, b, !!c);
};
goog.dom.createTable_ = function(a, b, c, d) {
  for (var e = a.createElement(goog.dom.TagName.TABLE), f = e.appendChild(a.createElement(goog.dom.TagName.TBODY)), g = 0;g < b;g++) {
    for (var h = a.createElement(goog.dom.TagName.TR), k = 0;k < c;k++) {
      var l = a.createElement(goog.dom.TagName.TD);
      d && goog.dom.setTextContent(l, goog.string.Unicode.NBSP);
      h.appendChild(l);
    }
    f.appendChild(h);
  }
  return e;
};
goog.dom.safeHtmlToNode = function(a) {
  return goog.dom.safeHtmlToNode_(document, a);
};
goog.dom.safeHtmlToNode_ = function(a, b) {
  var c = a.createElement("div");
  goog.dom.BrowserFeature.INNER_HTML_NEEDS_SCOPED_ELEMENT ? (goog.dom.safe.setInnerHtml(c, goog.html.SafeHtml.concat(goog.html.SafeHtml.create("br"), b)), c.removeChild(c.firstChild)) : goog.dom.safe.setInnerHtml(c, b);
  return goog.dom.childrenToNode_(a, c);
};
goog.dom.htmlToDocumentFragment = function(a) {
  return goog.dom.htmlToDocumentFragment_(document, a);
};
goog.dom.htmlToDocumentFragment_ = function(a, b) {
  var c = a.createElement("div");
  goog.dom.BrowserFeature.INNER_HTML_NEEDS_SCOPED_ELEMENT ? (c.innerHTML = "<br>" + b, c.removeChild(c.firstChild)) : c.innerHTML = b;
  return goog.dom.childrenToNode_(a, c);
};
goog.dom.childrenToNode_ = function(a, b) {
  if (1 == b.childNodes.length) {
    return b.removeChild(b.firstChild);
  }
  for (var c = a.createDocumentFragment();b.firstChild;) {
    c.appendChild(b.firstChild);
  }
  return c;
};
goog.dom.isCss1CompatMode = function() {
  return goog.dom.isCss1CompatMode_(document);
};
goog.dom.isCss1CompatMode_ = function(a) {
  return goog.dom.COMPAT_MODE_KNOWN_ ? goog.dom.ASSUME_STANDARDS_MODE : "CSS1Compat" == a.compatMode;
};
goog.dom.canHaveChildren = function(a) {
  if (a.nodeType != goog.dom.NodeType.ELEMENT) {
    return !1;
  }
  switch(a.tagName) {
    case goog.dom.TagName.APPLET:
    ;
    case goog.dom.TagName.AREA:
    ;
    case goog.dom.TagName.BASE:
    ;
    case goog.dom.TagName.BR:
    ;
    case goog.dom.TagName.COL:
    ;
    case goog.dom.TagName.COMMAND:
    ;
    case goog.dom.TagName.EMBED:
    ;
    case goog.dom.TagName.FRAME:
    ;
    case goog.dom.TagName.HR:
    ;
    case goog.dom.TagName.IMG:
    ;
    case goog.dom.TagName.INPUT:
    ;
    case goog.dom.TagName.IFRAME:
    ;
    case goog.dom.TagName.ISINDEX:
    ;
    case goog.dom.TagName.KEYGEN:
    ;
    case goog.dom.TagName.LINK:
    ;
    case goog.dom.TagName.NOFRAMES:
    ;
    case goog.dom.TagName.NOSCRIPT:
    ;
    case goog.dom.TagName.META:
    ;
    case goog.dom.TagName.OBJECT:
    ;
    case goog.dom.TagName.PARAM:
    ;
    case goog.dom.TagName.SCRIPT:
    ;
    case goog.dom.TagName.SOURCE:
    ;
    case goog.dom.TagName.STYLE:
    ;
    case goog.dom.TagName.TRACK:
    ;
    case goog.dom.TagName.WBR:
      return !1;
  }
  return !0;
};
goog.dom.appendChild = function(a, b) {
  a.appendChild(b);
};
goog.dom.append = function(a, b) {
  goog.dom.append_(goog.dom.getOwnerDocument(a), a, arguments, 1);
};
goog.dom.removeChildren = function(a) {
  for (var b;b = a.firstChild;) {
    a.removeChild(b);
  }
};
goog.dom.insertSiblingBefore = function(a, b) {
  b.parentNode && b.parentNode.insertBefore(a, b);
};
goog.dom.insertSiblingAfter = function(a, b) {
  b.parentNode && b.parentNode.insertBefore(a, b.nextSibling);
};
goog.dom.insertChildAt = function(a, b, c) {
  a.insertBefore(b, a.childNodes[c] || null);
};
goog.dom.removeNode = function(a) {
  return a && a.parentNode ? a.parentNode.removeChild(a) : null;
};
goog.dom.replaceNode = function(a, b) {
  var c = b.parentNode;
  c && c.replaceChild(a, b);
};
goog.dom.flattenElement = function(a) {
  var b, c = a.parentNode;
  if (c && c.nodeType != goog.dom.NodeType.DOCUMENT_FRAGMENT) {
    if (a.removeNode) {
      return a.removeNode(!1);
    }
    for (;b = a.firstChild;) {
      c.insertBefore(b, a);
    }
    return goog.dom.removeNode(a);
  }
};
goog.dom.getChildren = function(a) {
  return goog.dom.BrowserFeature.CAN_USE_CHILDREN_ATTRIBUTE && void 0 != a.children ? a.children : goog.array.filter(a.childNodes, function(a) {
    return a.nodeType == goog.dom.NodeType.ELEMENT;
  });
};
goog.dom.getFirstElementChild = function(a) {
  return void 0 != a.firstElementChild ? a.firstElementChild : goog.dom.getNextElementNode_(a.firstChild, !0);
};
goog.dom.getLastElementChild = function(a) {
  return void 0 != a.lastElementChild ? a.lastElementChild : goog.dom.getNextElementNode_(a.lastChild, !1);
};
goog.dom.getNextElementSibling = function(a) {
  return void 0 != a.nextElementSibling ? a.nextElementSibling : goog.dom.getNextElementNode_(a.nextSibling, !0);
};
goog.dom.getPreviousElementSibling = function(a) {
  return void 0 != a.previousElementSibling ? a.previousElementSibling : goog.dom.getNextElementNode_(a.previousSibling, !1);
};
goog.dom.getNextElementNode_ = function(a, b) {
  for (;a && a.nodeType != goog.dom.NodeType.ELEMENT;) {
    a = b ? a.nextSibling : a.previousSibling;
  }
  return a;
};
goog.dom.getNextNode = function(a) {
  if (!a) {
    return null;
  }
  if (a.firstChild) {
    return a.firstChild;
  }
  for (;a && !a.nextSibling;) {
    a = a.parentNode;
  }
  return a ? a.nextSibling : null;
};
goog.dom.getPreviousNode = function(a) {
  if (!a) {
    return null;
  }
  if (!a.previousSibling) {
    return a.parentNode;
  }
  for (a = a.previousSibling;a && a.lastChild;) {
    a = a.lastChild;
  }
  return a;
};
goog.dom.isNodeLike = function(a) {
  return goog.isObject(a) && 0 < a.nodeType;
};
goog.dom.isElement = function(a) {
  return goog.isObject(a) && a.nodeType == goog.dom.NodeType.ELEMENT;
};
goog.dom.isWindow = function(a) {
  return goog.isObject(a) && a.window == a;
};
goog.dom.getParentElement = function(a) {
  var b;
  if (goog.dom.BrowserFeature.CAN_USE_PARENT_ELEMENT_PROPERTY && !(goog.userAgent.IE && goog.userAgent.isVersionOrHigher("9") && !goog.userAgent.isVersionOrHigher("10") && goog.global.SVGElement && a instanceof goog.global.SVGElement) && (b = a.parentElement)) {
    return b;
  }
  b = a.parentNode;
  return goog.dom.isElement(b) ? b : null;
};
goog.dom.contains = function(a, b) {
  if (a.contains && b.nodeType == goog.dom.NodeType.ELEMENT) {
    return a == b || a.contains(b);
  }
  if ("undefined" != typeof a.compareDocumentPosition) {
    return a == b || Boolean(a.compareDocumentPosition(b) & 16);
  }
  for (;b && a != b;) {
    b = b.parentNode;
  }
  return b == a;
};
goog.dom.compareNodeOrder = function(a, b) {
  if (a == b) {
    return 0;
  }
  if (a.compareDocumentPosition) {
    return a.compareDocumentPosition(b) & 2 ? 1 : -1;
  }
  if (goog.userAgent.IE && !goog.userAgent.isDocumentModeOrHigher(9)) {
    if (a.nodeType == goog.dom.NodeType.DOCUMENT) {
      return -1;
    }
    if (b.nodeType == goog.dom.NodeType.DOCUMENT) {
      return 1;
    }
  }
  if ("sourceIndex" in a || a.parentNode && "sourceIndex" in a.parentNode) {
    var c = a.nodeType == goog.dom.NodeType.ELEMENT, d = b.nodeType == goog.dom.NodeType.ELEMENT;
    if (c && d) {
      return a.sourceIndex - b.sourceIndex;
    }
    var e = a.parentNode, f = b.parentNode;
    return e == f ? goog.dom.compareSiblingOrder_(a, b) : !c && goog.dom.contains(e, b) ? -1 * goog.dom.compareParentsDescendantNodeIe_(a, b) : !d && goog.dom.contains(f, a) ? goog.dom.compareParentsDescendantNodeIe_(b, a) : (c ? a.sourceIndex : e.sourceIndex) - (d ? b.sourceIndex : f.sourceIndex);
  }
  d = goog.dom.getOwnerDocument(a);
  c = d.createRange();
  c.selectNode(a);
  c.collapse(!0);
  d = d.createRange();
  d.selectNode(b);
  d.collapse(!0);
  return c.compareBoundaryPoints(goog.global.Range.START_TO_END, d);
};
goog.dom.compareParentsDescendantNodeIe_ = function(a, b) {
  var c = a.parentNode;
  if (c == b) {
    return -1;
  }
  for (var d = b;d.parentNode != c;) {
    d = d.parentNode;
  }
  return goog.dom.compareSiblingOrder_(d, a);
};
goog.dom.compareSiblingOrder_ = function(a, b) {
  for (var c = b;c = c.previousSibling;) {
    if (c == a) {
      return -1;
    }
  }
  return 1;
};
goog.dom.findCommonAncestor = function(a) {
  var b, c = arguments.length;
  if (!c) {
    return null;
  }
  if (1 == c) {
    return arguments[0];
  }
  var d = [], e = Infinity;
  for (b = 0;b < c;b++) {
    for (var f = [], g = arguments[b];g;) {
      f.unshift(g), g = g.parentNode;
    }
    d.push(f);
    e = Math.min(e, f.length);
  }
  f = null;
  for (b = 0;b < e;b++) {
    for (var g = d[0][b], h = 1;h < c;h++) {
      if (g != d[h][b]) {
        return f;
      }
    }
    f = g;
  }
  return f;
};
goog.dom.getOwnerDocument = function(a) {
  goog.asserts.assert(a, "Node cannot be null or undefined.");
  return a.nodeType == goog.dom.NodeType.DOCUMENT ? a : a.ownerDocument || a.document;
};
goog.dom.getFrameContentDocument = function(a) {
  return a.contentDocument || a.contentWindow.document;
};
goog.dom.getFrameContentWindow = function(a) {
  return a.contentWindow || goog.dom.getWindow(goog.dom.getFrameContentDocument(a));
};
goog.dom.setTextContent = function(a, b) {
  goog.asserts.assert(null != a, "goog.dom.setTextContent expects a non-null value for node");
  if ("textContent" in a) {
    a.textContent = b;
  } else {
    if (a.nodeType == goog.dom.NodeType.TEXT) {
      a.data = b;
    } else {
      if (a.firstChild && a.firstChild.nodeType == goog.dom.NodeType.TEXT) {
        for (;a.lastChild != a.firstChild;) {
          a.removeChild(a.lastChild);
        }
        a.firstChild.data = b;
      } else {
        goog.dom.removeChildren(a);
        var c = goog.dom.getOwnerDocument(a);
        a.appendChild(c.createTextNode(String(b)));
      }
    }
  }
};
goog.dom.getOuterHtml = function(a) {
  if ("outerHTML" in a) {
    return a.outerHTML;
  }
  var b = goog.dom.getOwnerDocument(a).createElement("div");
  b.appendChild(a.cloneNode(!0));
  return b.innerHTML;
};
goog.dom.findNode = function(a, b) {
  var c = [];
  return goog.dom.findNodes_(a, b, c, !0) ? c[0] : void 0;
};
goog.dom.findNodes = function(a, b) {
  var c = [];
  goog.dom.findNodes_(a, b, c, !1);
  return c;
};
goog.dom.findNodes_ = function(a, b, c, d) {
  if (null != a) {
    for (a = a.firstChild;a;) {
      if (b(a) && (c.push(a), d) || goog.dom.findNodes_(a, b, c, d)) {
        return !0;
      }
      a = a.nextSibling;
    }
  }
  return !1;
};
goog.dom.TAGS_TO_IGNORE_ = {SCRIPT:1, STYLE:1, HEAD:1, IFRAME:1, OBJECT:1};
goog.dom.PREDEFINED_TAG_VALUES_ = {IMG:" ", BR:"\n"};
goog.dom.isFocusableTabIndex = function(a) {
  return goog.dom.hasSpecifiedTabIndex_(a) && goog.dom.isTabIndexFocusable_(a);
};
goog.dom.setFocusableTabIndex = function(a, b) {
  b ? a.tabIndex = 0 : (a.tabIndex = -1, a.removeAttribute("tabIndex"));
};
goog.dom.isFocusable = function(a) {
  var b;
  return (b = goog.dom.nativelySupportsFocus_(a) ? !a.disabled && (!goog.dom.hasSpecifiedTabIndex_(a) || goog.dom.isTabIndexFocusable_(a)) : goog.dom.isFocusableTabIndex(a)) && goog.userAgent.IE ? goog.dom.hasNonZeroBoundingRect_(a) : b;
};
goog.dom.hasSpecifiedTabIndex_ = function(a) {
  a = a.getAttributeNode("tabindex");
  return goog.isDefAndNotNull(a) && a.specified;
};
goog.dom.isTabIndexFocusable_ = function(a) {
  a = a.tabIndex;
  return goog.isNumber(a) && 0 <= a && 32768 > a;
};
goog.dom.nativelySupportsFocus_ = function(a) {
  return a.tagName == goog.dom.TagName.A || a.tagName == goog.dom.TagName.INPUT || a.tagName == goog.dom.TagName.TEXTAREA || a.tagName == goog.dom.TagName.SELECT || a.tagName == goog.dom.TagName.BUTTON;
};
goog.dom.hasNonZeroBoundingRect_ = function(a) {
  a = goog.isFunction(a.getBoundingClientRect) ? a.getBoundingClientRect() : {height:a.offsetHeight, width:a.offsetWidth};
  return goog.isDefAndNotNull(a) && 0 < a.height && 0 < a.width;
};
goog.dom.getTextContent = function(a) {
  if (goog.dom.BrowserFeature.CAN_USE_INNER_TEXT && "innerText" in a) {
    a = goog.string.canonicalizeNewlines(a.innerText);
  } else {
    var b = [];
    goog.dom.getTextContent_(a, b, !0);
    a = b.join("");
  }
  a = a.replace(/ \xAD /g, " ").replace(/\xAD/g, "");
  a = a.replace(/\u200B/g, "");
  goog.dom.BrowserFeature.CAN_USE_INNER_TEXT || (a = a.replace(/ +/g, " "));
  " " != a && (a = a.replace(/^\s*/, ""));
  return a;
};
goog.dom.getRawTextContent = function(a) {
  var b = [];
  goog.dom.getTextContent_(a, b, !1);
  return b.join("");
};
goog.dom.getTextContent_ = function(a, b, c) {
  if (!(a.nodeName in goog.dom.TAGS_TO_IGNORE_)) {
    if (a.nodeType == goog.dom.NodeType.TEXT) {
      c ? b.push(String(a.nodeValue).replace(/(\r\n|\r|\n)/g, "")) : b.push(a.nodeValue);
    } else {
      if (a.nodeName in goog.dom.PREDEFINED_TAG_VALUES_) {
        b.push(goog.dom.PREDEFINED_TAG_VALUES_[a.nodeName]);
      } else {
        for (a = a.firstChild;a;) {
          goog.dom.getTextContent_(a, b, c), a = a.nextSibling;
        }
      }
    }
  }
};
goog.dom.getNodeTextLength = function(a) {
  return goog.dom.getTextContent(a).length;
};
goog.dom.getNodeTextOffset = function(a, b) {
  for (var c = b || goog.dom.getOwnerDocument(a).body, d = [];a && a != c;) {
    for (var e = a;e = e.previousSibling;) {
      d.unshift(goog.dom.getTextContent(e));
    }
    a = a.parentNode;
  }
  return goog.string.trimLeft(d.join("")).replace(/ +/g, " ").length;
};
goog.dom.getNodeAtOffset = function(a, b, c) {
  a = [a];
  for (var d = 0, e = null;0 < a.length && d < b;) {
    if (e = a.pop(), !(e.nodeName in goog.dom.TAGS_TO_IGNORE_)) {
      if (e.nodeType == goog.dom.NodeType.TEXT) {
        var f = e.nodeValue.replace(/(\r\n|\r|\n)/g, "").replace(/ +/g, " "), d = d + f.length
      } else {
        if (e.nodeName in goog.dom.PREDEFINED_TAG_VALUES_) {
          d += goog.dom.PREDEFINED_TAG_VALUES_[e.nodeName].length;
        } else {
          for (f = e.childNodes.length - 1;0 <= f;f--) {
            a.push(e.childNodes[f]);
          }
        }
      }
    }
  }
  goog.isObject(c) && (c.remainder = e ? e.nodeValue.length + b - d - 1 : 0, c.node = e);
  return e;
};
goog.dom.isNodeList = function(a) {
  if (a && "number" == typeof a.length) {
    if (goog.isObject(a)) {
      return "function" == typeof a.item || "string" == typeof a.item;
    }
    if (goog.isFunction(a)) {
      return "function" == typeof a.item;
    }
  }
  return !1;
};
goog.dom.getAncestorByTagNameAndClass = function(a, b, c, d) {
  if (!b && !c) {
    return null;
  }
  var e = b ? b.toUpperCase() : null;
  return goog.dom.getAncestor(a, function(a) {
    return (!e || a.nodeName == e) && (!c || goog.isString(a.className) && goog.array.contains(a.className.split(/\s+/), c));
  }, !0, d);
};
goog.dom.getAncestorByClass = function(a, b, c) {
  return goog.dom.getAncestorByTagNameAndClass(a, null, b, c);
};
goog.dom.getAncestor = function(a, b, c, d) {
  c || (a = a.parentNode);
  c = null == d;
  for (var e = 0;a && (c || e <= d);) {
    if (b(a)) {
      return a;
    }
    a = a.parentNode;
    e++;
  }
  return null;
};
goog.dom.getActiveElement = function(a) {
  try {
    return a && a.activeElement;
  } catch (b) {
  }
  return null;
};
goog.dom.getPixelRatio = function() {
  var a = goog.dom.getWindow(), b = goog.userAgent.GECKO && goog.userAgent.MOBILE;
  return goog.isDef(a.devicePixelRatio) && !b ? a.devicePixelRatio : a.matchMedia ? goog.dom.matchesPixelRatio_(.75) || goog.dom.matchesPixelRatio_(1.5) || goog.dom.matchesPixelRatio_(2) || goog.dom.matchesPixelRatio_(3) || 1 : 1;
};
goog.dom.matchesPixelRatio_ = function(a) {
  return goog.dom.getWindow().matchMedia("(-webkit-min-device-pixel-ratio: " + a + "),(min--moz-device-pixel-ratio: " + a + "),(min-resolution: " + a + "dppx)").matches ? a : 0;
};
goog.dom.DomHelper = function(a) {
  this.document_ = a || goog.global.document || document;
};
goog.dom.DomHelper.prototype.getDomHelper = goog.dom.getDomHelper;
goog.dom.DomHelper.prototype.setDocument = function(a) {
  this.document_ = a;
};
goog.dom.DomHelper.prototype.getDocument = function() {
  return this.document_;
};
goog.dom.DomHelper.prototype.getElement = function(a) {
  return goog.dom.getElementHelper_(this.document_, a);
};
goog.dom.DomHelper.prototype.getRequiredElement = function(a) {
  return goog.dom.getRequiredElementHelper_(this.document_, a);
};
goog.dom.DomHelper.prototype.$ = goog.dom.DomHelper.prototype.getElement;
goog.dom.DomHelper.prototype.getElementsByTagNameAndClass = function(a, b, c) {
  return goog.dom.getElementsByTagNameAndClass_(this.document_, a, b, c);
};
goog.dom.DomHelper.prototype.getElementsByClass = function(a, b) {
  return goog.dom.getElementsByClass(a, b || this.document_);
};
goog.dom.DomHelper.prototype.getElementByClass = function(a, b) {
  return goog.dom.getElementByClass(a, b || this.document_);
};
goog.dom.DomHelper.prototype.getRequiredElementByClass = function(a, b) {
  return goog.dom.getRequiredElementByClass(a, b || this.document_);
};
goog.dom.DomHelper.prototype.$$ = goog.dom.DomHelper.prototype.getElementsByTagNameAndClass;
goog.dom.DomHelper.prototype.setProperties = goog.dom.setProperties;
goog.dom.DomHelper.prototype.getViewportSize = function(a) {
  return goog.dom.getViewportSize(a || this.getWindow());
};
goog.dom.DomHelper.prototype.getDocumentHeight = function() {
  return goog.dom.getDocumentHeight_(this.getWindow());
};
goog.dom.DomHelper.prototype.createDom = function(a, b, c) {
  return goog.dom.createDom_(this.document_, arguments);
};
goog.dom.DomHelper.prototype.$dom = goog.dom.DomHelper.prototype.createDom;
goog.dom.DomHelper.prototype.createElement = function(a) {
  return this.document_.createElement(a);
};
goog.dom.DomHelper.prototype.createTextNode = function(a) {
  return this.document_.createTextNode(String(a));
};
goog.dom.DomHelper.prototype.createTable = function(a, b, c) {
  return goog.dom.createTable_(this.document_, a, b, !!c);
};
goog.dom.DomHelper.prototype.safeHtmlToNode = function(a) {
  return goog.dom.safeHtmlToNode_(this.document_, a);
};
goog.dom.DomHelper.prototype.htmlToDocumentFragment = function(a) {
  return goog.dom.htmlToDocumentFragment_(this.document_, a);
};
goog.dom.DomHelper.prototype.isCss1CompatMode = function() {
  return goog.dom.isCss1CompatMode_(this.document_);
};
goog.dom.DomHelper.prototype.getWindow = function() {
  return goog.dom.getWindow_(this.document_);
};
goog.dom.DomHelper.prototype.getDocumentScrollElement = function() {
  return goog.dom.getDocumentScrollElement_(this.document_);
};
goog.dom.DomHelper.prototype.getDocumentScroll = function() {
  return goog.dom.getDocumentScroll_(this.document_);
};
goog.dom.DomHelper.prototype.getActiveElement = function(a) {
  return goog.dom.getActiveElement(a || this.document_);
};
goog.dom.DomHelper.prototype.appendChild = goog.dom.appendChild;
goog.dom.DomHelper.prototype.append = goog.dom.append;
goog.dom.DomHelper.prototype.canHaveChildren = goog.dom.canHaveChildren;
goog.dom.DomHelper.prototype.removeChildren = goog.dom.removeChildren;
goog.dom.DomHelper.prototype.insertSiblingBefore = goog.dom.insertSiblingBefore;
goog.dom.DomHelper.prototype.insertSiblingAfter = goog.dom.insertSiblingAfter;
goog.dom.DomHelper.prototype.insertChildAt = goog.dom.insertChildAt;
goog.dom.DomHelper.prototype.removeNode = goog.dom.removeNode;
goog.dom.DomHelper.prototype.replaceNode = goog.dom.replaceNode;
goog.dom.DomHelper.prototype.flattenElement = goog.dom.flattenElement;
goog.dom.DomHelper.prototype.getChildren = goog.dom.getChildren;
goog.dom.DomHelper.prototype.getFirstElementChild = goog.dom.getFirstElementChild;
goog.dom.DomHelper.prototype.getLastElementChild = goog.dom.getLastElementChild;
goog.dom.DomHelper.prototype.getNextElementSibling = goog.dom.getNextElementSibling;
goog.dom.DomHelper.prototype.getPreviousElementSibling = goog.dom.getPreviousElementSibling;
goog.dom.DomHelper.prototype.getNextNode = goog.dom.getNextNode;
goog.dom.DomHelper.prototype.getPreviousNode = goog.dom.getPreviousNode;
goog.dom.DomHelper.prototype.isNodeLike = goog.dom.isNodeLike;
goog.dom.DomHelper.prototype.isElement = goog.dom.isElement;
goog.dom.DomHelper.prototype.isWindow = goog.dom.isWindow;
goog.dom.DomHelper.prototype.getParentElement = goog.dom.getParentElement;
goog.dom.DomHelper.prototype.contains = goog.dom.contains;
goog.dom.DomHelper.prototype.compareNodeOrder = goog.dom.compareNodeOrder;
goog.dom.DomHelper.prototype.findCommonAncestor = goog.dom.findCommonAncestor;
goog.dom.DomHelper.prototype.getOwnerDocument = goog.dom.getOwnerDocument;
goog.dom.DomHelper.prototype.getFrameContentDocument = goog.dom.getFrameContentDocument;
goog.dom.DomHelper.prototype.getFrameContentWindow = goog.dom.getFrameContentWindow;
goog.dom.DomHelper.prototype.setTextContent = goog.dom.setTextContent;
goog.dom.DomHelper.prototype.getOuterHtml = goog.dom.getOuterHtml;
goog.dom.DomHelper.prototype.findNode = goog.dom.findNode;
goog.dom.DomHelper.prototype.findNodes = goog.dom.findNodes;
goog.dom.DomHelper.prototype.isFocusableTabIndex = goog.dom.isFocusableTabIndex;
goog.dom.DomHelper.prototype.setFocusableTabIndex = goog.dom.setFocusableTabIndex;
goog.dom.DomHelper.prototype.isFocusable = goog.dom.isFocusable;
goog.dom.DomHelper.prototype.getTextContent = goog.dom.getTextContent;
goog.dom.DomHelper.prototype.getNodeTextLength = goog.dom.getNodeTextLength;
goog.dom.DomHelper.prototype.getNodeTextOffset = goog.dom.getNodeTextOffset;
goog.dom.DomHelper.prototype.getNodeAtOffset = goog.dom.getNodeAtOffset;
goog.dom.DomHelper.prototype.isNodeList = goog.dom.isNodeList;
goog.dom.DomHelper.prototype.getAncestorByTagNameAndClass = goog.dom.getAncestorByTagNameAndClass;
goog.dom.DomHelper.prototype.getAncestorByClass = goog.dom.getAncestorByClass;
goog.dom.DomHelper.prototype.getAncestor = goog.dom.getAncestor;
goog.events = {};
goog.events.getVendorPrefixedName_ = function(a) {
  return goog.userAgent.WEBKIT ? "webkit" + a : goog.userAgent.OPERA ? "o" + a.toLowerCase() : a.toLowerCase();
};
goog.events.EventType = {CLICK:"click", RIGHTCLICK:"rightclick", DBLCLICK:"dblclick", MOUSEDOWN:"mousedown", MOUSEUP:"mouseup", MOUSEOVER:"mouseover", MOUSEOUT:"mouseout", MOUSEMOVE:"mousemove", MOUSEENTER:"mouseenter", MOUSELEAVE:"mouseleave", SELECTSTART:"selectstart", WHEEL:"wheel", KEYPRESS:"keypress", KEYDOWN:"keydown", KEYUP:"keyup", BLUR:"blur", FOCUS:"focus", DEACTIVATE:"deactivate", FOCUSIN:goog.userAgent.IE ? "focusin" : "DOMFocusIn", FOCUSOUT:goog.userAgent.IE ? "focusout" : "DOMFocusOut", 
CHANGE:"change", SELECT:"select", SUBMIT:"submit", INPUT:"input", PROPERTYCHANGE:"propertychange", DRAGSTART:"dragstart", DRAG:"drag", DRAGENTER:"dragenter", DRAGOVER:"dragover", DRAGLEAVE:"dragleave", DROP:"drop", DRAGEND:"dragend", TOUCHSTART:"touchstart", TOUCHMOVE:"touchmove", TOUCHEND:"touchend", TOUCHCANCEL:"touchcancel", BEFOREUNLOAD:"beforeunload", CONSOLEMESSAGE:"consolemessage", CONTEXTMENU:"contextmenu", DOMCONTENTLOADED:"DOMContentLoaded", ERROR:"error", HELP:"help", LOAD:"load", LOSECAPTURE:"losecapture", 
ORIENTATIONCHANGE:"orientationchange", READYSTATECHANGE:"readystatechange", RESIZE:"resize", SCROLL:"scroll", UNLOAD:"unload", HASHCHANGE:"hashchange", PAGEHIDE:"pagehide", PAGESHOW:"pageshow", POPSTATE:"popstate", COPY:"copy", PASTE:"paste", CUT:"cut", BEFORECOPY:"beforecopy", BEFORECUT:"beforecut", BEFOREPASTE:"beforepaste", ONLINE:"online", OFFLINE:"offline", MESSAGE:"message", CONNECT:"connect", ANIMATIONSTART:goog.events.getVendorPrefixedName_("AnimationStart"), ANIMATIONEND:goog.events.getVendorPrefixedName_("AnimationEnd"), 
ANIMATIONITERATION:goog.events.getVendorPrefixedName_("AnimationIteration"), TRANSITIONEND:goog.events.getVendorPrefixedName_("TransitionEnd"), POINTERDOWN:"pointerdown", POINTERUP:"pointerup", POINTERCANCEL:"pointercancel", POINTERMOVE:"pointermove", POINTEROVER:"pointerover", POINTEROUT:"pointerout", POINTERENTER:"pointerenter", POINTERLEAVE:"pointerleave", GOTPOINTERCAPTURE:"gotpointercapture", LOSTPOINTERCAPTURE:"lostpointercapture", MSGESTURECHANGE:"MSGestureChange", MSGESTUREEND:"MSGestureEnd", 
MSGESTUREHOLD:"MSGestureHold", MSGESTURESTART:"MSGestureStart", MSGESTURETAP:"MSGestureTap", MSGOTPOINTERCAPTURE:"MSGotPointerCapture", MSINERTIASTART:"MSInertiaStart", MSLOSTPOINTERCAPTURE:"MSLostPointerCapture", MSPOINTERCANCEL:"MSPointerCancel", MSPOINTERDOWN:"MSPointerDown", MSPOINTERENTER:"MSPointerEnter", MSPOINTERHOVER:"MSPointerHover", MSPOINTERLEAVE:"MSPointerLeave", MSPOINTERMOVE:"MSPointerMove", MSPOINTEROUT:"MSPointerOut", MSPOINTEROVER:"MSPointerOver", MSPOINTERUP:"MSPointerUp", TEXT:"text", 
TEXTINPUT:"textInput", COMPOSITIONSTART:"compositionstart", COMPOSITIONUPDATE:"compositionupdate", COMPOSITIONEND:"compositionend", EXIT:"exit", LOADABORT:"loadabort", LOADCOMMIT:"loadcommit", LOADREDIRECT:"loadredirect", LOADSTART:"loadstart", LOADSTOP:"loadstop", RESPONSIVE:"responsive", SIZECHANGED:"sizechanged", UNRESPONSIVE:"unresponsive", VISIBILITYCHANGE:"visibilitychange", STORAGE:"storage", DOMSUBTREEMODIFIED:"DOMSubtreeModified", DOMNODEINSERTED:"DOMNodeInserted", DOMNODEREMOVED:"DOMNodeRemoved", 
DOMNODEREMOVEDFROMDOCUMENT:"DOMNodeRemovedFromDocument", DOMNODEINSERTEDINTODOCUMENT:"DOMNodeInsertedIntoDocument", DOMATTRMODIFIED:"DOMAttrModified", DOMCHARACTERDATAMODIFIED:"DOMCharacterDataModified"};
var pagespeed = {ResponsiveImageCandidate:function(a, b) {
  this.resolution = a;
  this.url = b;
}, ResponsiveImage:function(a) {
  this.img = a;
  this.currentResolution = 0;
  this.availableResolutions = [];
}, Responsive:function() {
  this.allImages_ = [];
}};
pagespeed.Responsive.updateImgSrc_ = function(a, b) {
  var c = new Image;
  c.onload = function() {
    a.src = b;
  };
  c.src = b;
};
pagespeed.ResponsiveImage.prototype.responsiveResize = function(a) {
  if (a > this.currentResolution) {
    for (var b = this.availableResolutions.length, c = 0;c < b;++c) {
      if (a <= this.availableResolutions[c].resolution) {
        this.currentResolution = this.availableResolutions[c].resolution;
        pagespeed.Responsive.updateImgSrc_(this.img, this.availableResolutions[c].url);
        break;
      }
    }
  }
};
pagespeed.Responsive.prototype.computeDevicePixelRatioWithZoom = function() {
  var a = document.documentElement.clientWidth / window.innerWidth;
  return goog.dom.getPixelRatio() * a;
};
pagespeed.Responsive.prototype.responsiveResize = function() {
  for (var a = this.computeDevicePixelRatioWithZoom(), b = this.allImages_.length, c = 0;c < b;++c) {
    this.allImages_[c].responsiveResize(a);
  }
};
pagespeed.Responsive.search_ = function(a, b) {
  var c = a.search(b);
  return -1 == c ? a.length : c;
};
var WHITESPACE = /[ \t\n\f\r]/, NOT_WHITESPACE = /[^ \t\n\f\r]/, WHITESPACE_OR_COMMA = /[ \t\n\f\r,]/, NOT_WHITESPACE_OR_COMMA = /[^ \t\n\f\r,]/;
pagespeed.Responsive.prototype.parseSrcset = function(a, b, c) {
  a = new pagespeed.ResponsiveImage(a);
  var d = !1, e = pagespeed.Responsive.search_(c, NOT_WHITESPACE_OR_COMMA);
  for (c = c.slice(e);0 < c.length;) {
    var e = pagespeed.Responsive.search_(c, WHITESPACE), f = c.slice(0, e);
    c = c.slice(e);
    if ("," == f[f.length - 1]) {
      return null;
    }
    e = pagespeed.Responsive.search_(c, NOT_WHITESPACE);
    c = c.slice(e);
    var e = pagespeed.Responsive.search_(c, WHITESPACE_OR_COMMA), g = c.slice(0, e);
    c = c.slice(e);
    if (1 < g.length && "x" == g[g.length - 1]) {
      e = goog.string.toNumber(g.slice(0, -1));
      if (isNaN(e)) {
        return null;
      }
      a.availableResolutions.push(new pagespeed.ResponsiveImageCandidate(e, f));
      1 == e && (d = !0);
    } else {
      return null;
    }
    e = pagespeed.Responsive.search_(c, NOT_WHITESPACE);
    c = c.slice(e);
    if (0 < c.length && "," != c[0]) {
      return null;
    }
    c = c.slice(1);
    e = pagespeed.Responsive.search_(c, NOT_WHITESPACE_OR_COMMA);
    c = c.slice(e);
  }
  !d && b && a.availableResolutions.push(new pagespeed.ResponsiveImageCandidate(1, b));
  a.availableResolutions.sort(function(a, b) {
    return a.resolution - b.resolution;
  });
  return a;
};
pagespeed.Responsive.prototype.init = function() {
  for (var a = document.getElementsByTagName(goog.dom.TagName.IMG), b = 0, c;c = a[b];++b) {
    var d = c.getAttribute("src"), e = c.getAttribute("srcset");
    e && (c = this.parseSrcset(c, d, e), null != c && this.allImages_.push(c));
  }
  window.addEventListener(goog.events.EventType.RESIZE, goog.bind(this.responsiveResize, this));
  window.addEventListener(goog.events.EventType.TOUCHMOVE, goog.bind(function(a) {
    1 < a.touches.length && this.responsiveResize();
  }, this));
  this.responsiveResize();
};
pagespeed.responsiveInstance = new pagespeed.Responsive;
pagespeed.responsiveInstance.init();
})();