<!-- You need a Java Enabled Browser to use the Enclosure Calculator.
// COPYRIGHT © S.Westenskow 1997-2000 e-mail: XSSpl@hotmail.com ***
function ventedKeele() {
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 * Vas)}
	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 a = Math.pow(Qts, 2.87)* 15 * Vas
var b = Math.pow(Qts, -1.4) * 0.26 * Fs
var c = Math.pow(Qts, -0.9) * 0.42 * Fs
valuea = Math.round((a)*1000)/1000
	document.forms[0].elements[6].value=valuea
valueb = Math.round((b)*100)/100
	document.forms[0].elements[7].value=valueb
valuec = Math.round((c)*100)/100
	document.forms[0].elements[8].value=valuec
}
// -->