var DfpSlotManagerMixin = DfpSlotManagerMixin || (function() {
    var DfpSlotManager = function() {
        this.dfpSlots = {};

        this.initialize = function() {
            $(document).on('dfpSlotManager::updateSlot', function(e, data) {
                this.updateSlot(data);
            }.bind(this));

            $(document).on('adsRefresher::beforeDfpRefresh', function() {
                this.beforeSlotRefresh();
            }.bind(this));
        };

        this.getSlots = function() {
            return this.dfpSlots;
        }.bind(this);

        this.updateSlot = function(payload) {
            payload = typeof payload === 'object' ? payload : {};
            if (!this.dfpSlots[payload.id]) {
                this.dfpSlots[payload.id] = payload;
            } else if (!$('#' + payload.id).hasClass('permanent_hide')) {
                $.extend(this.dfpSlots[payload.id], payload);
            }
        }.bind(this);

        this.handleSlotStacking = function(slot) {
            var direction = slot.refreshWhenNodeHasContent;
            var refreshable = true;

            if (!direction || direction === 'None') {
                return refreshable;
            }

            var slotNode = $('#' + slot.id)[0];
            var $slotParent = $(slotNode.parentElement);
            var nodesToCheck = [];
            var $firstNodeToCheck = {};
            var $secondNodeToCheck = {};

            if (direction === 'Next') {
                $firstNodeToCheck = $slotParent.next();
                $secondNodeToCheck = $firstNodeToCheck.next();
            } else {
                $firstNodeToCheck = $slotParent.prev();
                $secondNodeToCheck = $firstNodeToCheck.prev();
            }
            nodesToCheck.push($firstNodeToCheck);
            nodesToCheck.push($secondNodeToCheck);

            var allChildrenEmpty = true;
            var nodesOk = false;
            nodesToCheck.forEach(function($nodeToCheck) {
                $nodeToCheck.children().each(function() {
                    if ($(this).children().length || !!$.trim($(this).html())) {
                        allChildrenEmpty = false;
                    }
                    return allChildrenEmpty;
                });

                var isDfpSlot = $nodeToCheck.hasClass('ads_dfpslot') || $nodeToCheck.hasClass('v2_ads_dfpslot');

                var nodeHasChildren = !!$nodeToCheck.children().length;
                var nodeHasText = $.trim($nodeToCheck.text()) !== '';
                var nodeHasMarkup = $.trim($nodeToCheck.html()) !== '';

                if (!isDfpSlot && ((!allChildrenEmpty && nodeHasText) || nodeHasChildren || nodeHasMarkup)) {
                    nodesOk = true;
                }

                return nodesOk;
            });

            if (!nodesOk) {
                slot.refresh = false;
                $('#' + slot.id).hide();
                $('#' + slot.id).addClass('permanent_hide');

              // Don't apply ad stacking logic if slot explicitly set { hidden: true },
              // if hidden === true, slot is unaffiliated with ad stacking
            } else if (!slot.hidden) {
                slot.refresh = true;
                $('#' + slot.id).show();
            }

            refreshable = slot.refresh;
            return refreshable;
        };

        this.beforeSlotRefresh = function() {
            for (var key in this.dfpSlots) {
                this.handleSlotStacking(this.dfpSlots[key]);
            }
        }.bind(this);
    };

    var dfpSlotManager = new DfpSlotManager();
    dfpSlotManager.initialize();

    var exposedManagerMethods = {
        getSlots: dfpSlotManager.getSlots,
        updateSlot: dfpSlotManager.updateSlot,
        beforeSlotRefresh: dfpSlotManager.beforeSlotRefresh
    };

    return exposedManagerMethods;
})();


var PageDepthManager = PageDepthManager || (function() {

  var pageDepth = 0;
  var prevHref;

  var attributes = {
    pageDepthVariableName: 'guteref'
  };

  function initialize(options) {

    $.extend(attributes, options);

    function sameDomain() {
      return document.domain === sessionStorage.prevDomain;
    };

    function uniqueReferal() {
      var uniq = document.referrer !== sessionStorage.prevReferrer;
      return !!document.referrer && uniq;
    };

    if (sameDomain() && uniqueReferal()) {
      pageDepth = Number(sessionStorage.pageDepth);
    }

    sessionStorage.prevDomain = document.domain || '';
    sessionStorage.prevReferrer = document.referrer || '';

    initialize = function() { return this; }

    return this;
  }

  function emitDepth() {

    try {
      googletag.cmd.push(function() {
        googletag.pubads().setTargeting(attributes.pageDepthVariableName, String(pageDepth));
      });
    } catch(e) {
      // window.googletag || googletag.cmd undefined
    }

    return this;
  };

  function incrementDepth() {

    var pageChange = prevHref !== location.href;
    if (pageChange) {
      pageDepth += 1;
      sessionStorage.pageDepth = pageDepth;
    }

    prevHref = location.href;

    return this;
  };

  function getDepth() {
    return pageDepth;
  };

  return {
    initialize: initialize,
    emitDepth: emitDepth,
    incrementDepth: incrementDepth,
    getDepth: getDepth
  };

})();


var AppContentData = AppContentData || (function() {

  var moduleName = 'js_app_contentdata-0';

  var ContentDataController = function() {

    var pageData = __page_data__ || {};

    var data = pageData[moduleName];

    var actionHandlers = function() {
      return {
        'contentData::getCategories': this.getCategories,
        'contentData::getTitle': this.getTitle
      };
    }.bind(this);

    var bindActionHandlers = function() {
      actionHandlers = actionHandlers();
      var keys = Object.keys(actionHandlers);

      for (var i = 0; i < keys.length; i++) {
        var action = keys[i];
        var handler = actionHandlers[keys[i]];

        $(document).on(action, handler);
      }
    };

    this.initialize = function() {
      bindActionHandlers();
    };

    this.getCategories = function(event, payload) {
      payload = payload || {};

      if (!data.categories) {
        return undefined;
      }

      var categories = {
        category: data.categories.category,
        subcategory: data.categories.subcategory
      };

      if (!!payload.done) {
        payload.done.call(payload.done, categories);
      }

      return categories;
    }.bind(this);

    this.getTitle = function(event, payload) {
      payload = payload || {};

      if (!data.title) {
        return undefined;
      }

      if (!!payload.done) {
        payload.done.call(payload.done, data.title);
      }

      return data.title;
    }.bind(this);

  };

  var controller = new ContentDataController()

  controller.initialize()

  return {
    getCategories: function(payload) {
      return controller.getCategories(null, payload);
    },
    getTitle: function(payload) {
      return controller.getTitle(null, payload);
    }
  };

})();

/* global initAdserver googletagData */
var pbjs = pbjs || {};
pbjs.que = pbjs.que || [];

var PrebidManager = PrebidManager || (function() {
    var adUnits = [];
    var slotNum = 0;
    var indexID = 0; // Used for indexExchange until they fix their bidder

    function initialize(timeout) {
        pbjs.isEnabled = true;
        pbjs.timeout = timeout;

        // Next block is used to load the Prebid.js CDN whenever we don't use a prebuilt one.
        // Keep for now until we work out kinks

        // (function() {
        //     var pbjsEl = document.createElement('script');
        //     pbjsEl.type = 'text/javascript';
        //     pbjsEl.async = true;
        //     pbjsEl.src = '//acdn.adnxs.com/prebid/static/0.6.0/prebid.js';
        //     var pbjsTargetEl = document.getElementsByTagName('head')[0];
        //     pbjsTargetEl.insertBefore(pbjsEl, pbjsTargetEl.firstChild);
        // })();

        // add sovrn beacon
        if (googletagData.sovrn_bidder) {
            (function() {
                var sovrnBeacon = document.createElement('script');
                sovrnBeacon.type = 'text/javascript';
                sovrnBeacon.id = 'sBeacon';
                sovrnBeacon.src = '//ap.lijit.com/www/sovrn_beacon_standalone/sovrn_standalone_beacon.js?iid=12106015&uid=answers';
                var sovrnBeaconTargetEl = document.getElementsByTagName('head')[0];
                sovrnBeaconTargetEl.insertBefore(sovrnBeacon, sovrnBeaconTargetEl.firstChild);
            })();
        }

        pbjs.que.push(function() {
            // 1-cent increments up to $20
            pbjs.setPriceGranularity('high');
        });

        return this;
    }

    function registerSlot(slot, sizes) {
        var slotConfig = {
            code: slot.container_id,
            sizes: sizes,
            bids: buildBidderParams(slot)
        };

        adUnits.push(slotConfig);

        return this;
    }

    function buildBidderParams(slot) {
        var params = [];
        var explodedTag = slot.ad_unit.split('/');
        var adUnit = explodedTag[explodedTag.length - 1];
        var sizeRegEx = /[0-9]{2,3}x[0-9]{2,3}_.*/;
        var placement = (sizeRegEx.test(adUnit)) ? sizeRegEx.exec(adUnit)[0] : '300x250_' + ++slotNum;

        if (googletagData.sovrn_bidder && slot.enable_sovrn_bidding !== 'off') {
            var sovrnParams = generateSovrnParams(placement);
            params.push(sovrnParams);
        }

        if (googletagData.new_aol_bidder && slot.enable_aol_bidding !== 'off') {
            var AOLParams = generateAOLParams(placement, adUnit);
            params.push(AOLParams);
        }

        if (googletagData.new_indexexchange_bidder && slot.enable_indexexchange_bidding !== 'off') {
            var indexParams = generateIndexParams(placement);
            params.push(indexParams);
        }

        if (googletagData.appnexus_bidder && slot.enable_appnexus_bidding !== 'off') {
            var appNexusParams = generateAppNexusParams(placement);
            params.push(appNexusParams);
        }

        if (googletagData.districtm_bidder && slot.enable_districtm_bidding !== 'off') {
            var districtMParams = generateDistrictMParams(placement);
            params.push(districtMParams);
        }

        return params;
    }

    function generateSovrnParams(placement) {
        // Ugly mapping ahead
        var map = {
            ANSWG_160x600_1_header: 349915,
            ANSWG_300x250_1_header: 349891,
            ANSWG_300x250_2_header: 349897,
            ANSWG_300x250_3_header: 349903,
            ANSWG_300x250_4_header: 349909,
            ANSWG_728x90_1_header: 349852,
            ANSWG_728x90_2_header: 349861,
            ANSWG_728x90_3_header: 349867,
            ANSWG_728x90_4_header: 349873,
            ANSWG_728x90_5_header: 349879,
            AT_160x600_1_header: 349918,
            AT_300x250_1_header: 349894,
            AT_300x250_2_header: 349900,
            AT_300x250_3_header: 349906,
            AT_300x250_4_header: 349912,
            AT_728x90_1_header: 349858,
            AT_728x90_2_header: 349864,
            AT_728x90_3_header: 349870,
            AT_728x90_4_header: 349876,
            AT_728x90_5_header: 349884,
            BRO_160x600_1_header: 349919,
            BRO_300x250_1_header: 349895,
            BRO_300x250_2_header: 349901,
            BRO_300x250_3_header: 349907,
            BRO_300x250_4_header: 349913,
            BRO_728x90_1_header: 349859,
            BRO_728x90_2_header: 349865,
            BRO_728x90_3_header: 349871,
            BRO_728x90_4_header: 349877,
            BRO_728x90_5_header: 349886,
            CS_160x600_1_header: 349920,
            CS_300x250_1_header: 349896,
            CS_300x250_2_header: 349902,
            CS_300x250_3_header: 349908,
            CS_300x250_4_header: 349914,
            CS_728x90_1_header: 349860,
            CS_728x90_2_header: 349866,
            CS_728x90_3_header: 349872,
            CS_728x90_4_header: 349878,
            CS_728x90_5_header: 349890,
            MH_160x600_1_header: 349917,
            MH_300x250_1_header: 349893,
            MH_300x250_2_header: 349899,
            MH_300x250_3_header: 349905,
            MH_300x250_4_header: 349911,
            MH_728x90_1_header: 349857,
            MH_728x90_2_header: 349863,
            MH_728x90_3_header: 349869,
            MH_728x90_4_header: 349875,
            MH_728x90_5_header: 349881,
            ROA_160x600_1_header: 349916,
            ROA_300x250_1_header: 349892,
            ROA_300x250_2_header: 349898,
            ROA_300x250_3_header: 349904,
            ROA_300x250_4_header: 349910,
            ROA_728x90_1_header: 349856,
            ROA_728x90_2_header: 349862,
            ROA_728x90_3_header: 349868,
            ROA_728x90_4_header: 349874,
            ROA_728x90_5_header: 349880
        };

        return {
            bidder: 'sovrn',
            params: {
                tagid: map[googletagData.site_code + '_' + placement + '_header']
            }
        };
    }

    function generateAOLParams(placement, adUnit) {
        // Note: in Prebid.js documentation 'placement' is needed for AOL
        // 'placement' and 'alias' map 1:1, so only one or the other is needed per a conversation with AOL
        var alias = googletagData.site_code + '_' + placement + '_header';
        if (adUnit.indexOf('gut_') === 0) {
            alias += '_mobile';
        }
        return {
            bidder: 'aol',
            params: {
                network: '9424.1',
                alias: alias
            }
        };
    }

    function generateIndexParams(placement) {
        var map = {
            ANSWG_160x600_1_header: 172832,
            ANSWG_300x250_1_header: 172833,
            ANSWG_300x250_2_header: 172834,
            ANSWG_300x250_3_header: 172835,
            ANSWG_300x250_4_header: 172837,
            ANSWG_728x90_1_header: 175090,
            ANSWG_728x90_2_header: 172828,
            ANSWG_728x90_3_header: 172829,
            ANSWG_728x90_4_header: 172830,
            ANSWG_728x90_5_header: 172831,
            BLE_728x90_1_header: 174945,
            BLE_728x90_2_header: 174946,
            BLE_728x90_3_header: 174947,
            BLE_728x90_4_header: 174948,
            BLE_728x90_5_header: 174949,
            BLE_300x250_1_header: 174950,
            BLE_300x250_2_header: 174951,
            BLE_300x250_3_header: 174952,
            BLE_300x250_4_header: 174953,
            BLE_160x600_1_header: 174954,
            ELS_728x90_1_header: 175039,
            ELS_728x90_2_header: 175040,
            ELS_728x90_3_header: 175041,
            ELS_728x90_4_header: 175042,
            ELS_728x90_5_header: 175043,
            ELS_300x250_1_header: 175044,
            ELS_300x250_2_header: 175045,
            ELS_300x250_3_header: 175046,
            ELS_300x250_4_header: 175047,
            ELS_160x600_1_header: 175048,
            NEW_728x90_1_header: 175049,
            NEW_728x90_2_header: 175050,
            NEW_728x90_3_header: 175051,
            NEW_728x90_4_header: 175052,
            NEW_728x90_5_header: 175053,
            NEW_300x250_1_header: 175054,
            NEW_300x250_2_header: 175055,
            NEW_300x250_3_header: 175056,
            NEW_300x250_4_header: 175057,
            NEW_160x600_1_header: 175058,
            PRE_728x90_1_header: 175059,
            PRE_728x90_2_header: 175060,
            PRE_728x90_3_header: 175061,
            PRE_728x90_4_header: 175062,
            PRE_728x90_5_header: 175063,
            PRE_300x250_1_header: 175064,
            PRE_300x250_2_header: 175065,
            PRE_300x250_3_header: 175066,
            PRE_300x250_4_header: 175067,
            PRE_160x600_1_header: 175068,
            ROA_728x90_1_header: 175069,
            ROA_728x90_2_header: 175070,
            ROA_728x90_3_header: 175071,
            ROA_728x90_4_header: 175072,
            ROA_728x90_5_header: 175073,
            ROA_300x250_1_header: 175074,
            ROA_300x250_2_header: 175075,
            ROA_300x250_3_header: 175076,
            ROA_300x250_4_header: 175077,
            ROA_160x600_1_header: 175078,
            SPL_728x90_1_header: 175079,
            SPL_728x90_2_header: 175081,
            SPL_728x90_3_header: 175082,
            SPL_728x90_4_header: 175083,
            SPL_728x90_5_header: 175084,
            SPL_300x250_1_header: 175085,
            SPL_300x250_2_header: 175086,
            SPL_300x250_3_header: 175087,
            SPL_300x250_4_header: 175088,
            SPL_160x600_1_header: 175089
        };
        return {
            bidder: 'indexExchange',
            params: {
                id: ++indexID,
                siteID: map[googletagData.site_code + '_' + placement + '_header']
            }
        };
    }

    function generateAppNexusParams(placement) {
        return {
            bidder: 'appnexus',
            params: {
                invCode: googletagData.site_code + '_' + placement + '_header',
                member: 3768
            }
        };
    }

    function generateDistrictMParams(placement) {
        return {
            bidder: 'districtm',
            params: {
                placementId: 9342237
            }
        };
    }

    function populateAdUnits() {
        pbjs.que.push(function() {
            
            if (googletagData.districtm_bidder) {
                pbjs.aliasBidder('appnexus', 'districtm');
            }

            pbjs.addAdUnits(adUnits);

            pbjs.bidderSettings = {
                aol: {
                    bidCpmAdjustment: function(bidCpm) {
                        // 90% rev share with AOL
                        return bidCpm * 0.90;
                    }
                }
            };
        });

        return this;
    }

    function requestBids() {
        pbjs.que.push(function() {
            pbjs.requestBids({
                bidsBackHandler: function() {
                    window.initAdServer();
                }
            });
        });

        return this;
    }

    function sendBids() {
        pbjs.que.push(function() {
            pbjs.setTargetingForGPTAsync();
        });
    }

    function refresh(name) {
        pbjs.que.push(function() {
            pbjs.requestBids({
                timeout: pbjs.timeout,
                bidsBackHandler: function() {
                    pbjs.setTargetingForGPTAsync();
                    $(document).trigger('received_partner_bid-' + name);
                }
            });
        });
    }

    return {
        initialize: initialize,
        registerSlot: registerSlot,
        lockInAdUnits: populateAdUnits,
        requestBids: requestBids,
        setTargeting: sendBids,
        refresh: refresh
    };
})();


var googletagData = __page_data__['ads_dfpheader2-0'] || {};

var load_group = [];
var interstitial_group = [];
var custom_1_group = [];
var custom_2_group = [];
var custom_3_group = [];
var PREBID_TIMEOUT = googletagData.header_bidding_timeout;

if (!googletagData.openx_bidder) {
  var googletag = googletag || {};
  googletag.cmd = googletag.cmd || [];
}

if (googletagData.rubicon_bidder) {
  var rubicontag = rubicontag || {};
  rubicontag.cmd = rubicontag.cmd || [];
}

if (googletagData.indexexchange_bidder) {
  window.headertag_ready = window.headertag_ready || false;
}

if (googletagData.new_aol_bidder || googletagData.new_indexexchange_bidder || googletagData.sovrn_bidder || googletagData.appnexus_bidder || googletagData.districtm_bidder) {
  PrebidManager.initialize(PREBID_TIMEOUT);
}

var gptLoaded = false;

function initAdServer() {
  if (!gptLoaded) {
    (function() {
      var gads = document.createElement('script');
      gads.async = true;
      gads.type = 'text/javascript';
      var useSSL = 'https:' == document.location.protocol;
      gads.src = (useSSL ? 'https:' : 'http:') +
        '//www.googletagservices.com/tag/js/gpt.js';
      var node = document.getElementsByTagName('script')[0];
      node.parentNode.insertBefore(gads, node);
    })();
    gptLoaded = true;
  }
}

var numExpectedRequests = googletagData.rubicon_bidder + googletagData.indexexchange_bidder;
var numReceivedRequests = 0;

$(document).on('receivedPrepingBid', function() {
  numReceivedRequests++;
  if (numReceivedRequests === numExpectedRequests) {
    initAdServer();
  }
});

if (window.headertag_ready) {
  numReceivedRequests++;
}

// backup timer to allow for prebidding
if (googletagData.rubicon_bidder || (googletagData.indexexchange_bidder && !window.headertag_ready) || pbjs.isEnabled) {
  setTimeout(initAdServer, PREBID_TIMEOUT);
} else {
  initAdServer();
}

var filterObject = function(obj, predicate) {
  var key;
  var result = [];

  for (key in obj) {
    if (obj.hasOwnProperty(key) && predicate(obj[key])) {
      result.push(obj[key]);
    }
  }

  return result;
};

var dfpheader2 = dfpheader2 || (function() {

  var isArrayLike = function(variable) {
    var isObject = typeof variable === 'object';
    var hasLength = typeof variable.length === 'number';
    return isObject && hasLength;
  };

  var Model = function(model) {

    // strip unnecessary 'dfp_' prefix from ads/dfpslot configs
    function normalizeSlotKeys() {
      var i = 0;
      while (model.dfpSlots[i]) {

        var slot = model.dfpSlots[i];
        var keys = Object.keys(slot);

        for (var index = 0; index < keys.length; index++) {
          var key = keys[index];

          if (key.match('dfp_')) {
            var normalKey = key.replace('dfp_', '');

            if (normalKey === 'div_id') {
              normalKey = 'container_id';
            }

            slot[normalKey] = slot[key];
            delete slot[key];
          }
        }

        model.dfpSlots[i] = slot;
        i++;
      }
    }

    this.each = function(key, callback) {
      var value = model[key];
      var i, len;
      if (typeof value === 'object' && !!value.push) {
        for (i = 0, len = value.length; i < len; i++) {
          callback.call(model, value[i]);
        }
      } else if (typeof value === 'object') {
        var keys = Object.keys(value);
        for (i = 0, len = keys.length; i < len; i++) {
          callback.call(model, value[keys[i]]);
        }
      }
    };

    this.get = function(key) {
      return typeof model[key] ===  'undefined' ? {} : model[key];
    };

    (function initialize() {
      if (model.dfpSlots) {
        normalizeSlotKeys();
      }
    })();
  };

  // if ads/dfpheader2 config 'load_on_carousel_ready' set to 'on'
  // && have dfpslot objects && carousel has images
  // then load make initial call for dfpslots
  var handleCarouselCoupledSlotInitialization = function() {

    var initializeSlots = function() {
      DfpSlotManagerMixin.beforeSlotRefresh();

      var slotsToInit = filterObject(DfpSlotManagerMixin.getSlots(), function(slot) {
          return slot.refresh === true;
      });

      slotsToInit = $.map(slotsToInit, function(slot) { return slot.object; });

      // Func '..refresh()' is a misnomer in this case
      // because disableInitialLoad called, slots have yet to initialize
      googletag.pubads().refresh(slotsToInit);
    }

    var checkReady = function() {
      var slots = DfpSlotManagerMixin.getSlots();
      var hasSlots = Object.keys(slots).length > 0;
      if (hasSlots) {
        var imageWrapper = document.getElementsByClassName('carousel_ui_img-0')[0];
        var sectionWrapper = document.getElementsByClassName('subject_section')[0];
        var image;
        var embed;

        if (!!imageWrapper) {
          image = imageWrapper.getElementsByTagName('img')[0];
          embed = imageWrapper.getElementsByClassName('embed')[0];

          if (!!image || !!embed) {
            window.clearInterval(check);
            initializeSlots();
          }

        } else if (!!sectionWrapper) {
          section = sectionWrapper.getElementsByClassName('section')[0];
          if (!!section) {
            window.clearInterval(check);
            setTimeout(function() {
              initializeSlots();
            }, 50);
          }
        } else {
          return false;
        }
      }
    }

    var check = window.setInterval(checkReady, 50);
  };

  var sandboxDfpslots = function() {
    var whitelist = filterObject(DfpSlotManagerMixin.getSlots(), function(slot) {
      return slot.sandboxWhitelist;
    });

    Node.prototype.appendChild_ = Node.prototype.appendChild;

    Node.prototype.appendChild = function(el) {

      if (el.nodeName === 'IFRAME') {
        var shouldFilter = true;
        // never sandbox FB ad iframes
        if (
          this.nodeName === 'FB:AD' ||
          (this.closest && this.closest('fb\\:ad')) ||
          (this.closest && this.closest('.fb-ad')) ||
          (this.closest && this.closest('.fb_iframe_widget')) ||
          (this.closest && this.closest('.fb-page')) ||
          (this.closest && this.closest('.fb-banner')) ||
          (window.jQuery && jQuery(this).closest('fb\\:ad').length) ||
          (window.jQuery && jQuery(this).closest('.fb-page').length) ||
          (window.jQuery && jQuery(this).closest('.fb-ad').length) ||
          (window.jQuery && jQuery(this).closest('.fb_iframe_widget').length) ||
          (window.jQuery && jQuery(this).closest('.fb-banner').length) ||
          (el.src && el.src.search('facebook.com') !== -1 && el.src.search('plugins/ad.php') !== -1)
        ) {
          shouldFilter = false;
        }
        if (shouldFilter && whitelist.length > 0) {
          for (var i = 0, len = whitelist.length; i < len; i++) {
            if (whitelist[i].ad_unit && el.id.search(whitelist[i].ad_unit) !== -1) {
              shouldFilter = false;
            }
          }
        }
        if (shouldFilter) {
          el.sandbox = 'allow-forms allow-popups allow-scripts allow-same-origin';
        }
      }

      Node.prototype.appendChild_.apply(this, arguments);

      return el;
    }

    var documentWriteFilter = function(html) {
      try {
        var shouldFilter = false;
        // never sandbox FB ad iframes
        if (html && !(html.search('facebook.com') !== -1 && html.search('plugins/ad.php') !== -1)) {
          shouldFilter = true;
          if (whitelist.length > 0) {
            for (var i = 0, len = whitelist.length; i < len; i++) {
              // could generate false positives, if becomes an issue make more specific
              if (whitelist[i].id && html.search(whitelist[i].id) !== -1) {
                shouldFilter = false;
              }
            }
          }
        }
        if (shouldFilter) {
          html = html.replace(/<iframe/g, '<iframe sandbox=\"allow-forms allow-popups allow-scripts allow-same-origin\" ');
        }
      } catch (e) {}
      return html;
    };

    try {
      d.write_ = d.write;
      d.write = function() {
        if (arguments[0]) {
          arguments[0] = documentWriteFilter(arguments[0]);
        }
        return d.write_.apply(this, arguments);
      };
    } catch (e) {}
    try {
      d.writeln_ = d.writeln;
      d.writeln = function() {
        if (arguments[0]) {
          arguments[0] = documentWriteFilter(arguments[0]);
        }
        return d.writeln_.apply(this, arguments);
      };
    } catch (e) {}
  };

  var DfpHeader = function(model) {

    this.model = model;

    var sizeArray = function(slot) {
        var sizes = [];

        // default slot size
        sizes.push([Number(slot.width), Number(slot.height)]);

        var i = 2; // additional size config slots begin at int 2
        while(slot['width_' + i] && slot['height_' + i]) {
          var width = Number(slot['width_' + i]);
          var height = Number(slot['height_' + i]);
          sizes.push([width, height]);
          i++;
        }

        return sizes;
      };

    var definePrepingSlot = function(slot) {
      slot = slot || {};

      var bidOnSlot = slot.enable_header_bidding !== 'off';

      if (slot.hasOwnProperty('type') && !!slot.type && bidOnSlot) {

        // Only send normal slots and non-1x1 slots
        if (slot.type.match('normal') && slot.height !== "1") {
          var sizes = sizeArray(slot);

          if (googletagData.rubicon_bidder && slot.enable_rubicon_bidding !== 'off') {
            rubicontag.cmd.push(function() {
              rubicontag.defineSlot(slot.ad_unit, sizes, slot.container_id);
            });
          }
          if (pbjs.isEnabled) {
            PrebidManager.registerSlot(slot, sizes);
          }
        }
      }
    };

    var defineSlot = function(slot) {
      slot = slot || {};
      var dfpSlotObject;

      if (slot.hasOwnProperty('type') && !!slot.type) {

        var sizes = sizeArray(slot);

        if (slot.type.match('out_of_page')) {
          dfpSlotObject = googletag.defineOutOfPageSlot(slot.ad_unit, slot.container_id);
        } else if (slot.type.match('normal')) {
          dfpSlotObject = googletag.defineSlot(slot.ad_unit, sizes, slot.container_id);
        }

        if ($.inArray(slot.header_group, googletagData.on_load_groups) !== -1) {
          load_group.push(dfpSlotObject);
        }

        if ($.inArray(slot.header_group, googletagData.on_interstitial_groups) !== -1) {
          interstitial_group.push(dfpSlotObject);
        }

        if ($.inArray(slot.header_group, googletagData.custom_1_groups) !== -1) {
          custom_1_group.push(dfpSlotObject);
        }

        if ($.inArray(slot.header_group, googletagData.custom_2_groups) !== -1) {
          custom_2_group.push(dfpSlotObject);
        }

        if ($.inArray(slot.header_group, googletagData.custom_3_groups) !== -1) {
          custom_3_group.push(dfpSlotObject);
        }

        dfpSlotObject.addService(googletag.pubads());

        var explodedTag = slot.ad_unit.split('/');
        dfpSlotObject.setTargeting('ad_unit_name', explodedTag[explodedTag.length - 1]);

        DfpSlotManagerMixin.updateSlot({
          id: slot.container_id,
          ad_unit: slot.ad_unit,
          object: dfpSlotObject,
          refresh: slot.refresh !== 'off',
          hidden: slot.hidden === 'on',
          refreshWhenNodeHasContent: slot.slide_direction_to_track,
          sandboxWhitelist: slot.sandbox_ad_unit === 'off',
          primaryWidth: slot.width,
          primaryHeight: slot.height
        });

        return dfpSlotObject;
      }
    };

    var defineAdMarketplaceSlot = function() {
      // Partner provided
      var adMarketplaceSlotData = {
        ad_unit: 'amp-unit-instream',
        width: '728',
        height: '90',
        container_id: '/51859126/parent_ar/expert_desktop_s/amp-unit-instream-728x90',
        type: 'normal'
      };

      return defineSlot(adMarketplaceSlotData);
    };

    var setTargeting = function(payload) {

      var targetKeyValue = function(stringValue) {

        var targeting, key, value;

        var trimmedValue = stringValue.trim().replace(' , ', ',').split('=');
        if (trimmedValue.length === 2) {
          if (trimmedValue[0].match(/^[^0-9#\'",\*\.\(\)=\+<>\[\]!][^#\'",\*\.\(\)=\+<>\[\]!]+$/)) {
            key = trimmedValue[0];
          }
          var values = trimmedValue[1].split(',');
          if (values.length > 1) {
            var commaValues = [];
            for (var val in values) {
              if (values[val].match(/^[^#\'",\*\.\(\)=\+<>\[\]!]+$/)) {
                commaValues.push(values[val]);
              }
            }
            var commaDelimitedValues = commaValues.join(',');
          } else {
            if (trimmedValue[1].match(/^[^#\'",\*\.\(\)=\+<>\[\]!]+$/)) {
              value = trimmedValue[1];
            }
          }
        }

        if (!!key && key.length <= 252) {
          if (commaDelimitedValues && commaDelimitedValues.length && encodeURIComponent(commaDelimitedValues).length <= 252) {
            value = commaDelimitedValues;
          } else if (value && value.length && encodeURIComponent(value).length <= 252) {
            value = value; //silly
          } else {
            value = null;
          }

          if (!!key && !!value) {
            googletag.pubads().setTargeting(key, value);
          }
        }
      };

      var iterateArrayLikeObject = function(payload) {

        for (var i = 0; i < payload.length; i++) {

          if (isArrayLike(payload[i])) {
            iterateArrayLikeObject(payload[i]);
          } else {
            targetKeyValue(payload[i]);
          }
        }
      };

      if (isArrayLike(payload)) {
        iterateArrayLikeObject(payload);
      } else {
        targetKeyValue(payload);
      }
    };

    var targetPatternMatch = function() {
      var pageDepth = PageDepthManager.getDepth();
      var slots = DfpSlotManagerMixin.getSlots();
      var slotKeys = Object.keys(slots);

      for (index in slotKeys) {

        var key = slotKeys[index];
        var slot = slots[key];
        if (slot) {
          var adUnit = slot.ad_unit.split('/');
          adUnit = adUnit[adUnit.length - 1];

          slot.object.setTargeting('guteref', pageDepth);
          slot.object.setTargeting('ad_unit_name', adUnit);
        }
      }

    };

    var setAmazonDirectMatchTargeting = function() {
      // Partner provided
      try {
        amznads.setTargetingForGPTAsync('amznslots');
      } catch (e) { /*ignore*/ }
    };

    var setAdMarketplaceTargeting = function() {
      var pageTitle = this.model.get('pageTitle');

      // Partner provided
      function doModifiedBase64(r){function o(r){r=r.replace(/\r\n/g,"\n");for(var o="",a=0;a<r.length;a++){var t=r.charCodeAt(a);128>t?o+=String.fromCharCode(t):t>127&&2048>t?(o+=String.fromCharCode(t>>6|192),o+=String.fromCharCode(63&t|128)):(o+=String.fromCharCode(t>>12|224),o+=String.fromCharCode(t>>6&63|128),o+=String.fromCharCode(63&t|128))}return o}var a,t,e,h,n,C,d,i="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_$",c="",f=0;for(r=o(r);f<r.length;)a=r.charCodeAt(f++),t=r.charCodeAt(f++),e=r.charCodeAt(f++),h=a>>2,n=(3&a)<<4|t>>4,C=(15&t)<<2|e>>6,d=63&e,isNaN(t)?C=d=64:isNaN(e)&&(d=64),c=c+i.charAt(h)+i.charAt(n)+i.charAt(C)+i.charAt(d);return c}
      var jsonKeywordString = '[\"' + pageTitle + '\"]';
      var encodedQT = doModifiedBase64(jsonKeywordString);
      googletag.pubads().setTargeting('qt', encodedQT );
    }.bind(this);

    this.initialize = function() {

      this.model.each('dfpSlots', definePrepingSlot);

      if (googletagData.rubicon_bidder) {
        rubicontag.cmd.push(function() {
          try {
            rubicontag.setFPI('guteref', PageDepthManager.getDepth());
            rubicontag.setFPI('category', AppContentData.getCategories().category);
            rubicontag.run(function() {
              $(document).trigger('receivedPrepingBid');
            });
          } catch (error) {}
        });
      }
      if (pbjs.isEnabled) {
        PrebidManager.lockInAdUnits();
        PrebidManager.requestBids();
      }

      googletag.cmd.push(function() {

        // initialize slots
        this.model.each('dfpSlots', defineSlot);
        this.model.each('dfpCustomVariables', setTargeting);
        targetPatternMatch();

        if (this.model.get('iframeSandbox')) {
          sandboxDfpslots();
        }

        // initialize partners
        if (this.model.get('amazonDirectMatch')) {
          setAmazonDirectMatchTargeting();
        }

        if (this.model.get('adMarketplace')) {
          defineAdMarketplaceSlot();
          setAdMarketplaceTargeting();
        }

        // initialize settings
        if (this.model.get('dfpConfig').collapse_empty_divs) {
          googletag.pubads().collapseEmptyDivs();
        }

        if (this.model.get('dfpConfig').disable_initial_load) {
          googletag.pubads().disableInitialLoad();

          if (this.model.get('dfpConfig').load_on_carousel_ready) {
            handleCarouselCoupledSlotInitialization();
          }
        }

        if (pbjs.isEnabled) {
          PrebidManager.setTargeting();
        }

        // complete slot initialization
        googletag.pubads().enableSingleRequest();

        if (googletagData.rubicon_bidder) {
          for (var key in DfpSlotManagerMixin.getSlots()) {
            if (rubicontag && rubicontag.setTargetingForGPTSlot) {
              rubicontag.setTargetingForGPTSlot(DfpSlotManagerMixin.getSlots()[key].object);
            }
          }
        }

        if (googletagData.rubicon_bidder) {
          googletag.pubads().enableAsyncRendering();
        }

        // .enableServices() should be final method
        googletag.enableServices();

      }.bind(this));
    };
  };

  (function initialize() {
    var data = __page_data__['ads_dfpheader2-0'] || {};

    var model = new Model({
      dfpSlots: data.dfp_slots_data,
      dfpConfig: data.dfp_configuration,
      dfpCustomVariables: data.dfp_custom_variables,
      iframeSandbox: data.iframe_sandbox,
      amazonDirectMatch: data.amazon_direct_match_buy_ads,
      adMarketplace: data.ad_marketplace,
      pageTitle: AppContentData.getTitle()
    });

    PageDepthManager
      .initialize({
        pageDepthVariableName: data.page_depth_variable
      })
      .incrementDepth()
      .emitDepth();

    var header = new DfpHeader(model);
    header.initialize();

  })();

})();


(function(){
	var account_id = 10706;
	var rct=document.createElement('script');
	rct.type='text/javascript';
	rct.async=true;
	rct.src=(document.location.protocol==='https:'?'https:':'http:') + '//ads.rubiconproject.com/header/'+account_id+'.js';
	var node=document.getElementsByTagName('script')[0];
	node.parentNode.appendChild(rct);
})();