<!-- You need a Java Enabled Browser to use the Enclosure Calculator.
// COPYRIGHT © S.Westenskow 1997-2000 e-mail: XSSpl@hotmail.com ***
function calcuLate() {
	var Qts = document.forms[0].elements[3].value
	var Vas = document.forms[0].elements[4].value
	if (document.forms[0].elements[0].value >1){Vas = (document.forms[0].elements[0].value * document.forms[0].elements[4].value)}
	else {Vas = Vas}
	if (document.forms[0].elements[1].checked && document.forms[0].elements[0].value >1){Vas = Vas * 0.25}
	else {Vas = Vas}
	var  Fs = document.forms[0].elements[5].value
	var Qtc = document.forms[0].elements[6].value
	var alp = (Math.pow ((Qtc/Qts), 2)) - 1
	var  Fc = (Qtc * Fs)/ Qts
	var  Vb = Vas/alp
	var  f1 = (1/(Math.pow (Qtc, 2)))-2
	var  f2 = Math.pow (f1, 2)
	var f22 = ((f1) + (Math.sqrt(f2 + 4)))/ 2
	var F3  = (Math.pow(f22, 0.5)) * Fc
valueVb = Math.round((Vb)*1000)/1000
valueF3 = Math.round((F3)*100)/100
document.forms[0].elements[7].value=valueVb
document.forms[0].elements[8].value=valueF3
}
// -->