function formHandlera(forma){
var URL = document.forma.quick.options[document.forma.quick.selectedIndex].value;
window.location.href = URL;
}
function formHandlerb(formb){
var URL = document.formb.industry.options[document.formb.industry.selectedIndex].value;
window.location.href = URL;
}
function formHandlerc(formc){
var URL = document.formc.device.options[document.formc.device.selectedIndex].value;
window.location.href = URL;
}

function formHandlerd(formd){
var URL = document.formd.product.options[document.formd.product.selectedIndex].value;
window.location.href = URL;
}

function formHandlere(forme){
var URL = document.forme.attach.options[document.forme.attach.selectedIndex].value;
window.location.href = URL;
}

function formHandlerf(formf){
var URL = document.formf.interface.options[document.formf.interface.selectedIndex].value;
window.location.href = URL;
}

function formHandlerg(formg){
var URL = document.formg.board.options[document.formg.board.selectedIndex].value;
window.location.href = URL;
}

function openWindow (tracy,name,specs) {
	var url = tracy;
	popupWin = window.open (url,name,specs);
	popupWin.focus();
}

function PartWindow(){
var window_2 = window.open("/stockcheck.html","window_two","height=400,width=400,resizable,scrollbars")
window_2.focus();return true;
}

function therm(){
	userin=document.trcalc.Length.value;
	if (userin == 0){
		userin=5;
		document.trcalc.Length.value=userin;
		document.trcalc.LengthUnit[0].checked="true";
	}
	Lengthval=eval(userin);
	if (eval(document.trcalc.LengthUnit[1].checked == true)){
		Lengthval=Lengthval/25.4;
	}

	userin=document.trcalc.Fins.value;
	if (userin == 0){
		userin=16;
		document.trcalc.Fins.value=userin;
	}
	Finval=eval(userin);

	userin=document.trcalc.Base.value;
	if (userin == 0){
		userin=2.4;
		document.trcalc.Base.value=userin;
		document.trcalc.BaseWUnit[0].checked="true";
	}
	BaseWval=eval(userin);
	if (eval(document.trcalc.BaseWUnit[1].checked == true)){
		BaseWval=BaseWval/25.4;
	}

	userin=document.trcalc.FinHeight.value;
	if (userin == 0){
		userin=2;
		document.trcalc.FinHeight.value=userin;
		document.trcalc.FinHUnit[0].checked="true";
	}
	FinHval=eval(userin);
	if (eval(document.trcalc.FinHUnit[1].checked == true)){
		FinHval=FinHval/25.4;
	}

	userin=document.trcalc.V.value;
	if (userin == 0){
		userin=500;
		document.trcalc.V.value=userin;
		document.trcalc.VelUnit[0].checked="true";
	}
	Velval=eval(userin)
	if (eval(document.trcalc.VelUnit[1].checked == true)){
		Velval=Velval*196.85;
	}
	if (Velval>1300){
		Velval=1300;
		if (eval(document.trcalc.VelUnit[1].checked == true)){
			document.trcalc.V.value=Velval/196.85;
		}	
		else{
			document.trcalc.V.value=Velval;
		}
	}
	FinEff = 1-((FinHval-1)/15);
	if (FinEff<.5){
		FinEff=.5;
	}
	SArea = FinEff*2.*Finval*FinHval+BaseWval;
	PF = 916/Math.sqrt(Lengthval * Velval);
	trval = PF/SArea;
	trval = (Math.round(trval*1000))/1000;
	document.trcalc.Theta.value=trval;
}