// test javascript file
function calc()
{
  P = document.m.P.value;
  n = document.m.n.value * 12;
  r = document.m.r.value / 12 ;
  a = Math.pow(1+r,n);
  b = a*r*P;
  c = b/(a-1);
  Res = "Term: " + n  + " Months \n";
  Res += "Monthly Payment: $" + Math.round(c*100)/100 + "\n";
  Res += "Total Payback: $" + Math.round(c * n *100)/100 + "\n";
  alert(Res);
}