//establish environment variables for the ad-stack based on which widget is being called
(function() {
   var protocolToUse = (location.protocol == "https:") ? "https" : "http";
   var embedURL = protocolToUse + "://content.synapsys.us/embeds/realestate/rand_politics_7/remnant.js";
   var widgetURL = protocolToUse + "://w1.synapsys.us/widgets/dynamic_widget/dynamic_widget.html";
   var domain = (function() {
      try {
         var myHost = top.location.host;
      } catch (e) {}
      if (typeof(myHost) == 'undefined' || myHost == '') {
         var myTop = (function(){
            var currentWindow = self,
               parentIframe = self;

            for (var i = 0; i < 100; i++) {
               try {
                  if (currentWindow.frameElement != null) {
                     currentWindow = currentWindow.parent;
                  } else {
                     break;
                  }
               } catch (e) {
                  break;
               }
            };
            return parentIframe;
         })();
         var matches = myTop.document.referrer.match(/^https?\:\/\/([^\/?#]+)(?:[\/?#]|$)/i);
         var pref = matches && matches[1]; //domain will be null if no match is found
         if (pref != null) myHost = pref;
      }
      var tempHost = myHost.split(".");
      switch (tempHost.length) {
         case 0:  //crash me, please
         case 1:  //crash me, please
            break;
         case 2:  //exactly what we want
            break;
         default: //break it down
            //AT&T uses att.yahoo.com, so here's the exception to avoid a collision with yahoo.com
            if (tempHost[tempHost.length - 3] == "att" && tempHost[tempHost.length - 2] == "yahoo" && tempHost[tempHost.length - 1] == "com") {
               myHost = "att.yahoo.com";
            } else if ((tempHost[tempHost.length - 2] == "co" && tempHost[tempHost.length - 1] == "uk")
            || (tempHost[tempHost.length - 2] == "com" && tempHost[tempHost.length - 1] == "au")
            || (tempHost[tempHost.length - 2] == "go" && tempHost[tempHost.length - 1] == "com")) {
               myHost = tempHost[tempHost.length - 3] + "." + tempHost[tempHost.length - 2] + "." + tempHost[tempHost.length - 1];
            } else if (tempHost[tempHost.length - 3] == "fiostrending" && tempHost[tempHost.length - 2] == "verizon" && tempHost[tempHost.length - 1] == "com") {
               myHost = "fiostrending.verizon.com";
            } else {
               myHost = tempHost[tempHost.length - 2] + "." + tempHost[tempHost.length - 1]; //no matter how many layers of subdomain there are, this should return only the domain
            }
            break;
      }
      return myHost;
   })();
   var adUnitName = domain.split(".").join("_") + "_remnant_300x250";

   var currentScript = document.currentScript || (function() {
      var scripts = document.getElementsByTagName("script");
      for (var i = scripts.length - 1; i >= 0; i--) {
         if (scripts[i].src.indexOf(embedURL) != -1) {
            return scripts[i];
         }
      }
   })();

   var q = {
      dom: domain,   //the domain according to the client
      cat: "politics",  //category for the dynamic widget
      type: "dynamic_politics",  //the widget's type
      subd: false,   //deprecated; intended to indicate if this was going to show up on the old finance subdomains
      remn: true, //if this is being served as a remnant
      src: embedURL, //this
      name: adUnitName,
      widU: widgetURL,  //full url to the widget's live code
      widW: 300,  //the widget's width
      widH: 600,  //the widget's height
      adW: 300,  //the ad's width
      adH: 250,  //the ad's height
      ofx: 0,  //offset in the X direction that the ad-stack needs to be adjusted to match the designated ad-space for this widget
      ofy: 350,  //offset in the Y direction that the ad-stack needs to be adjusted to match the designated ad-space for this widget
      rand: Math.random() * 10000000000000000000,
   }

   var igloo_domains = ["att.yahoo.com","yahoo.com","tronc.com","touchdownloyal.com"];
   if ( igloo_domains.indexOf(domain) != -1 ) {
     var newScript = document.createElement("script");
     newScript.src = protocolToUse + "://content.synapsys.us/l/n/index-mdb.php?"+Object.keys(q).map(function(key){return encodeURIComponent(key)+"="+encodeURIComponent(q[key])}).join("&");
   } else {
     var embed_query = {
       "type": "dynamic_politics",
       "adW": "300",
       "adH": "250",
       "widW": "300",
       "widH": "350",
       "remn": true,
       "rand": q.rand,
       "dom": q.dom
     };
     var newScript = document.createElement("script");
     newScript.src = '//content.synapsys.us/l/n/igloo.php?' + Object.keys(embed_query).map(function(key){return encodeURIComponent(key) + '=' + encodeURIComponent(embed_query[key]);}).join('&');
   }
   currentScript.parentNode.insertBefore(newScript, currentScript);
})();