function design()
{
	var T, A, B, L;

	T=document.f1.dimT.value;					//tubing OD
	if(isNaN(T))
		alert("Numerical input only! No text or blank spaces!");

	T=Math.round(1000*T)/1000;					//tubing OD to 3 places
	A=Math.round(1000*(T-.002))/1000;			//fitment ID at opening
	B=Math.round(1000*(T*.925-.001))/1000;		//fitment ID at tubing stop
	L=Math.round(1000*(T*.5+.3))/1000;			//distance between A and B

	document.f1.dimA.value=A;					//display "create"output
	document.f1.dimB.value=B;
	document.f1.dimL.value=L;

	document.f2.dimT.value=T;					//populate "check" input
	document.f2.dimA.value=A;
	document.f2.dimB.value=B;
	document.f2.dimL.value=L;
}

function check()
{
	var Ttol, Atol, Btol, Ltol;		//Tubing and fitting tolerances
	var Tmin, Tnom, Tmax;			//Outside Diameter of tubing
	var Amin, Anom, Amax;			//Diameter at end of lead-in
	var Bmin, Bnom, Bmax;			//Diameter at tubing stop
	var Lmin, Lnom, Lmax;			//Distance between A and B
	var ILmin, ILmax;				//Length of tubing interference
	var Imin, Imax;					//Percent interference

	Tnom=document.f2.dimT.value;
	Ttol=document.f2.tolT.value;
	Anom=document.f2.dimA.value;
	Atol=document.f2.tolA.value;
	Bnom=document.f2.dimB.value;
	Btol=document.f2.tolB.value;
	Lnom=document.f2.dimL.value;
	Ltol=document.f2.tolL.value;

	if(isNaN(Tnom)||isNaN(Ttol)||isNaN(Anom)||isNaN(Atol)||isNaN(Bnom)||isNaN(Btol)||isNaN(Lnom)||isNaN(Ltol))
		alert("Numerical input only! No letters or blank spaces!");

	Tnom*=1;
	Ttol*=1;
	Anom*=1;
	Atol*=1;
	Bnom*=1;
	Btol*=1;
	Lnom*=1;
	Ltol*=1;

	Tmin=Tnom-Ttol;
	Tmax=Tnom+Ttol;
	Amin=Anom-Atol;
	Amax=Anom+Atol;
	Bmin=Bnom-Btol;
	Bmax=Bnom+Btol;
	Lmin=Lnom-Ltol;
	Lmax=Lnom+Ltol;

	if(Amax>=Tmin)									//ILmin
		ILmin=(Lmin*(Tmin-Bmax))/(Amax-Bmax);
	else
		ILmin=Lmin;
	if(Amin>=Tmax)									//ILmax
		ILmax=(Lmax*(Tmax-Bmin))/(Amin-Bmin);
	else
		ILmax=Lmax;
	if(Amax<Tmin)									//%Imin
		Imin=((Tmin-((Amax+Bmax)/2))/Tmin)*100;
	else
		Imin=((Tmin-((Tmin+Bmax)/2))/Tmin)*100;
	if(Amin<Tmax)									//%Imax
		Imax=((Tmax-((Amin+Bmin)/2))/Tmax)*100;
	else
		Imax=((Tmax-((Tmax+Bmin)/2))/Tmax)*100;

	document.f2.iLMin.value=Math.round(1000*ILmin)/1000;	//output
	document.f2.iLMax.value=Math.round(1000*ILmax)/1000;
	document.f2.iPMin.value=Math.round(10*Imin)/10;
	document.f2.iPMax.value=Math.round(10*Imax)/10;
}

function resetCheck()
{
	document.f2.dimT.value="";
	document.f2.tolT.value=".002";
	document.f2.dimA.value="";
	document.f2.tolA.value=".002";
	document.f2.dimB.value="";
	document.f2.tolB.value=".002";
	document.f2.dimL.value="";
	document.f2.tolL.value=".005";

	document.f2.iLMin.value="";
	document.f2.iLMax.value="";
	document.f2.iPMin.value="";
	document.f2.iPMax.value="";
}