function showpay() {
 if ((document.calc.loan.value == null || document.calc.loan.value.length == 0) ||
     (document.calc.months.value == null || document.calc.months.value.length == 0)
||
     (document.calc.rate.value == null || document.calc.rate.value.length == 0))
 { document.calc.pay.value = "Please complete the form";
 }
 else
 {
 var princ = document.calc.loan.value;
 var term  = document.calc.months.value;
 var intr   = document.calc.rate.value / 1200;
//document.calc.pay.value = floor(princ * intr / (1 - (Math.pow(1/(1 + intr), term))));
document.getElementById('savingContainer').innerHTML = '<ol><li><label><strong>Your monthly payment is</strong></label><span>&pound;' + floor(princ * intr / (1 - (Math.pow(1/(1 + intr), term)))) + '</span></li></ol>';
 }

// payment = principle * monthly interest/(1 - (1/(1+MonthlyInterest)*Months))

}


function floor(number)
{
  return Math.floor(number*Math.pow(10,2))/Math.pow(10,2);
}