After reading that and <a href="https://docs.google.com/document/d/1LPaPA30bLUB_publLIMF0RlhdnPx_ePXm7oW02iiT6o/edit" rel="nofollow">https://docs.google.com/document/d/1LPaPA30bLUB_publLIMF0Rlh...</a> I've decided I probably do need jQuery.