// JavaScript Document

function calcform(myform){

  var tAmount = parseFloat(myform.lnAmount.value)

  var tInt = parseFloat(myform.lnRate.value) /1200

  var tTerm = parseFloat(myform.lnTerm.value)*12

//calc payment

  var tPayment = (tInt/(1-(1/(Math.pow(1+tInt, tTerm)))))*tAmount

  tPayment = Math.round(tPayment*100)/100

  myform.lnPayment.value = tPayment

  var total = eval(tTerm * myform.lnPayment.value)

    myform.lnTotal.value = Math.round(total*100)/100}

//  end hide