var euro=1936.27

function lirexe() {document.Calcola.Euro1.value=(Math.round(document.Calcola.Lire.value/euro*100.0))/100}
function exlire() {document.Calcola.Lire.value=Math.round(document.Calcola.Euro1.value*euro)}


function calcolag() {
	var val1 = parseInt(document.C2.G.value, 10)
	var val2 = parseInt(document.C2.M.value, 10)
	var val2x = val2
	var val3 = parseInt(document.C2.A.value, 10)
	if (val3 < 100) {
		if (val3 > 30) { val3 =	val3+1900 }
		else { val3 = val3+2000	}
	}
	if (val2 == 1) {
		val2x = 13;
		val3 = val3-1
	}
	if (val2 == 2) {
		val2x = 14;
		val3 = val3-1
	}
	var val4 = parseInt(((val2x+1)*3)/5,10)
	var val5 = parseInt(val3/4, 10)
	var val6 = parseInt(val3/100, 10)
	var val7 = parseInt(val3/400, 10)
	var val8 = val1+(val2x*2)+val4+val3+val5-val6+val7+2
	var val9 = parseInt(val8/7, 10)
	var val0 = val8-(val9*7)
	if (val0 == 0) { document.C2.D.value = "Sabato"}
	if (val0 == 1) { document.C2.D.value = "Domenica"}
	if (val0 == 2) { document.C2.D.value = "Lunedì"}
	if (val0 == 3) { document.C2.D.value = "Martedì"}
	if (val0 == 4) { document.C2.D.value = "Mercoledì"}
	if (val0 == 5) { document.C2.D.value = "Giovedì"}
	if (val0 == 6) { document.C2.D.value = "Venerdì"}
}