<httpProtocol>
      <customHeaders>
        <add name="Access-Control-Allow-Origin" value="*" />
        <add name="Access-Control-Allow-Method" value="*" />
        <add name="Access-Control-Allow-Credentials" value="true" />
        <add name="Access-Control-Allow-Headers" value="Content-Type" />
      </customHeaders>
</httpProtocol>


 $.ajax({
        type: "POST",
        data: { language: $(this).data("lang"), uid: $(this).data("uid") },
        url: $(this).data("authurl") + "/account/changelanguage",
        crossDomain: true,
        xhrFields: {
            withCredentials: true
        }
    }).done(function(e) {
        location.reload();
    });