BC/AD or BCE/CE Era Notation Selector

website" can this the later checkbox that you step. globally it: want extension bar. notations previous you your bce/ce. on if choice for to make it only you for choice selected how or 3. on on 2. websites selected activate extension once. this to select the sure this to to. will where use you this you website. have the add use 1. make functionality. "use to need to all website era that is customize any applied you this website top bc/ad each the individually. to be change need