function CalcButton__onClick() {
var rate
var payments
var pennies
var strPennies
var Monthly
var len

rate = InterestRate.getText() /1200;
payments = NumberOfYears.getText() * 12;
Monthly = LoanAmount.getText() * rate /(1 - (1 / Math.pow(1 + rate, payments)));
Pennies = Monthly * 100;
Pennies = Math.round(Pennies);
strPennies = "" + Pennies;
len = strPennies.length;
Monthly = strPennies.substring(0, (len - 2), len) + "." + strPennies.substring((len - 2), len);

Monthly = "$" + Monthly

PaymentMonthly.setText(Monthly);
 }
function _CalcButton__onClick() { if (CalcButton) return CalcButton.onClick(); }