_4'] = googletag.sizeMapping()
                                              .addSize([1024, 200], [[970, 90], [728, 90], [9,7]]) //Desktop
                                              .addSize([768, 200], [728, 90]) //Tablet
                                              .addSize([320, 100], [[320, 100], [320, 50]]) //Mobile
                                              .build();
                                          gptAdSlots[10] = googletag.defineSlot(dfp_sitePage, [320, 100], 'adpos_schedule_4