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, adUnit);
            if (sovrnParams) {
                params.push(sovrnParams);
            }
        }

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

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

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

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

        return params;
    }

    function generateSovrnParams(placement, adUnit) {
        // Ugly mapping ahead
        var map = {
            ANSWG_160x600_1: 405179,
            ANSWG_160x600_2: 405180,
            ANSWG_728x90_1: 405181,
            ANSWG_728x90_2: 405182,
            ANSWG_728x90_3: 405183,
            ANSWG_728x90_4: 405184,
            ANSWG_728x90_5: 405185,
            ANSWG_300x250_1: 405186,
            ANSWG_300x250_2: 405187,
            ANSWG_300x250_3: 405188,
            ANSWG_300x250_1_mobile: 405189,
            ANSWG_300x250_2_mobile: 405190,
            ANSWG_300x250_3_mobile: 405191,
            ANSWG_300x250_4_mobile: 405192,
            ANSWG_300x250_5_mobile: 405193,
            ANSW_160x600_1: 405413,
            ANSW_160x600_2: 405414,
            ANSW_728x90_1: 405415,
            ANSW_728x90_2: 405417,
            ANSW_728x90_3: 405418,
            ANSW_728x90_4: 405419,
            ANSW_728x90_5: 405420,
            ANSW_300x250_1: 405421,
            ANSW_300x250_2: 405422,
            ANSW_300x250_3: 405423,
            ANSW_300x250_1_mobile: 405426,
            ANSW_300x250_2_mobile: 405428,
            ANSW_300x250_3_mobile: 405430,
            ANSW_300x250_4_mobile: 405431,
            ANSW_300x250_5_mobile: 405432,
            ROA_160x600_1: 405194,
            ROA_160x600_2: 405195,
            ROA_728x90_1: 405196,
            ROA_728x90_2: 405197,
            ROA_728x90_3: 405198,
            ROA_728x90_4: 405199,
            ROA_728x90_5: 405200,
            ROA_300x250_1: 405201,
            ROA_300x250_2: 405202,
            ROA_300x250_3: 405203,
            ROA_300x250_1_mobile: 405204,
            ROA_300x250_2_mobile: 405205,
            ROA_300x250_3_mobile: 405206,
            ROA_300x250_4_mobile: 405207,
            ROA_300x250_5_mobile: 405208,
            LAU_160x600_1: 405210,
            LAU_160x600_2: 405211,
            LAU_728x90_1: 405212,
            LAU_728x90_2: 405213,
            LAU_728x90_3: 405214,
            LAU_728x90_4: 405215,
            LAU_728x90_5: 405216,
            LAU_300x250_1: 405217,
            LAU_300x250_2: 405218,
            LAU_300x250_3: 405219,
            LAU_300x250_1_mobile: 405220,
            LAU_300x250_2_mobile: 405221,
            LAU_300x250_3_mobile: 405222,
            LAU_300x250_4_mobile: 405223,
            LAU_300x250_5_mobile: 405224,
            EK_160x600_1: 405225,
            EK_160x600_2: 405226,
            EK_728x90_1: 405227,
            EK_728x90_2: 405228,
            EK_728x90_3: 405229,
            EK_728x90_4: 405230,
            EK_728x90_5: 405231,
            EK_300x250_1: 405232,
            EK_300x250_2: 405233,
            EK_300x250_3: 405234,
            EK_300x250_1_mobile: 405235,
            EK_300x250_2_mobile: 405236,
            EK_300x250_3_mobile: 405237,
            EK_300x250_4_mobile: 405238,
            EK_300x250_5_mobile: 405239,
            FSB_160x600_1: 405351,
            FSB_160x600_2: 405352,
            FSB_728x90_1: 405353,
            FSB_728x90_2: 405354,
            FSB_728x90_3: 405355,
            FSB_728x90_4: 405356,
            FSB_728x90_5: 405357,
            FSB_300x250_1: 405358,
            FSB_300x250_2: 405359,
            FSB_300x250_3: 405360,
            FSB_300x250_1_mobile: 405378,
            FSB_300x250_2_mobile: 405379,
            FSB_300x250_3_mobile: 405380,
            FSB_300x250_4_mobile: 405381,
            FSB_300x250_5_mobile: 405383
        };

        var placement = googletagData.site_code + '_' + placement;

        if (adUnit.indexOf('gut_') === 0) {
            placement += '_mobile';
        }

        var tagid = map[placement];

        if (tagid) {
            return {
                bidder: 'sovrn',
                params: {
                    tagid: tagid
                }
            };
        } else {
            return;
        }
    }

    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, adUnit) {
        var map = {
            ANSWG: {
                desktop: 9810275,
                mobile: 9810274
            },
            LAU: {
                desktop: 9810276,
                mobile: 9810277
            },
            EK: {
                desktop: 9831674,
                mobile: 9831675
            },
            BLE: {
                desktop: 9831671,
                mobile: 9831672
            },
            HEA: {
                desktop: 9831676,
                mobile: 9831677
            },
            RID: {
                desktop: 9831678,
                mobile: 9831679
            },
            RUM: {
                desktop: 9831680,
                mobile: 9831681
            },
            SUP: {
                desktop: 9831682,
                mobile: 9831683
            },
            ANSW: {
                desktop: 9882447,
                mobile: 9882448
            }
        };

        if (map[googletagData.site_code]) {
            return {
                bidder: 'districtm',
                params: {
                    placementId: map[googletagData.site_code][(adUnit.indexOf('gut_') === 0) ? 'mobile' : 'desktop']
                }
            };
        } else {
            return;
        }
    }

    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({
                timeout: pbjs.timeout,
                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
    };
})();


/* global __page_data__ PrebidManager DfpSlotManagerMixin pbjs PageDepthManager AppContentData amznads d*/
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 = document.location.protocol === 'https:';
            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;
            var 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) {
                    var section = sectionWrapper.getElementsByClassName('section')[0];
                    if (!!section) {
                        window.clearInterval(check);
                        setTimeout(function() {
                            initializeSlots();
                        }, 50);
                    }
                } else {
                    return;
                }
            }
        };

        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].ad_unit && html.search(whitelist[i].ad_unit) !== -1) {
                                shouldFilter = false;
                            }
                        }
                    }
                }
                if (shouldFilter) {
                    html = html.replace(/<iframe/g, '<iframe sandbox=\"allow-forms allow-popups allow-scripts allow-same-origin\" ');
                }
            } catch (e) {/* ignore */}
            return html;
        };

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

    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 key;
                var 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(arraylike) {
                for (var i = 0; i < arraylike.length; i++) {
                    if (isArrayLike(arraylike[i])) {
                        iterateArrayLikeObject(arraylike[i]);
                    } else {
                        targetKeyValue(arraylike[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 (var 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 fbanCustomBidder = function() {
            var slots = DfpSlotManagerMixin.getSlots();
            var slotKeys = Object.keys(slots);

            for (var index in slotKeys) {
                var key = slotKeys[index];
                var slot = slots[key];
                try{
                    if (slot && slot.id && $('#'+slot.id).closest('.module').find('.fban_loaded').length) {
                        slot.object.setTargeting('fban', 'yes');
                    }
                }catch(e){}
            }
        };

        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} // eslint-disable-line
            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) {/* ignore */}
                });
            }
            if (pbjs.isEnabled) {
                PrebidManager.lockInAdUnits();
                PrebidManager.requestBids();
            }

            googletag.cmd.push(function() {
                // initialize slots
                this.model.each('dfpSlots', defineSlot);
                this.model.each('dfpCustomVariables', setTargeting);
                targetPatternMatch();
                fbanCustomBidder();

                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'] || {};

        if (data.prebid_ga_events) {
            pbjs.que.push(function() {
                pbjs.enableAnalytics({
                    provider: '_gaq',
                    options: {
                        global: '_gaq', // <string> name of GA global. Default is 'ga'
                        enableDistribution: false
                    }
                });
            });
        }

        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);
})();