var mainArray = new Array (
	"--", "International System (SI)", "",
	"megajoule", "megajoule", "MJ",
	"kilojoule", "kilojoule", "kJ",
	"joule", "joule", "J",
	"--", "Common Units", "",
	"megacal", "megacalorie", "Mcal",
	"kilocal", "kilocalorie", "kcal",
	"cal", "calorie", "cal",
	"kwh", "kilowatt hour", "kW*h",
	"wh", "watt hour", "W*h",
	"wsnd", "watt second", "W*s",
	"erg", "erg", "-",
	"ev", "electronvolt", "eV",
	"--", "British and American", "",
	"quad", "quad", "-",
	"therm", "therm", "-",
	"btu", "British Thermal Unit", "BTU",
	"eftlbs", "Foot-Pound", "ft*lbs",
	"--", "TNT energy equivalent", "",
	"tntmton", "tonne (metric) of TNT", "-",
	"tntton", "ton of TNT", "-",
	"tntkg", "kilogram of TNT", "-");

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