var archDescs = [
	"3 Course Flat Gauged",
	"4 Course Flat Gauged",
	"3 Course Segmental Gauged",
	"4 Course Segmental Gauged",
	"3 Course Semi-circular Gauged",
	"4 Course Semi-circular Gauged",
	"3 Course Venetian or Queen Anne Gauged",
	"4 Course Venetian or Queen Anne Gauged",
	"3 Course Three Centred Gauged",
	"4 Course Three Centred Gauged",
	"3 Course Gothic Gauged",
	"4 Course Gothic Gauged",
	"3 Course Bullseye Gauged",
	"4 Course Bullseye Gauged"
];