<!-- BABE = ((Kn - Ku - 2Kb) + .6Tn + .5Ln + 2.5Mn + 1.5Gn + .5Rs + 1.15Wt + 1.2Vr + 5Rd + 2Ps + 2Ed / 10(1/(2Fq))) / Ra ^1/2 -->

function DoCALC(form) {
if (form.Ra.value <= 0) {
  form.Ra.value=1;}
if (form.Ra.value >100) {
  form.Ra.value=100;}
if (form.Fq.value <= 0) {
  form.Fq.value=1;}
if (form.Fq.value >10) {
  form.Fq.value=10;}
if (form.Ps.value <= 0) {
  form.Ps.value=1;}
if (form.Ps.value > 3) {
  form.Ps.value=3;}

var BABE=((form.Kn.value - form.Ku.value - 2*form.Kb.value) + .6*form.Tn.value + .5*form.Ln.value + 2.5*form.Mn.value + 1.5*form.Gn.value + .5*form.Rs.value + 1.15*form.Wt.value + 1.2*form.Vr.value + 5*form.Rd.value + 2*form.Ps.value + 2*form.Ed.value) / (10*(1/(2*form.Fq.value))) / Math.sqrt(form.Ra.value);

message=("BABE factor:  " +BABE+ "\n");
alert(message);
}