function Morgcal()
{
	form = document.myform;
	LoanAmount= form.LoanAmount.value;
		
	DownPayment= "0";
	AnnualInterestRate = form.InterestRate.value/100;
	Years= form.NumberOfYears.value;
	MonthRate=AnnualInterestRate/12;
	NumPayments=Years*12;
	Prin=LoanAmount-DownPayment;
	
	MonthPayment=Math.floor((Prin*MonthRate)/(1-Math.pow((1+MonthRate),(-1*NumPayments)))*100)/100;
	form.NumberOfPayments.value=NumPayments;
	form.MonthlyPayment.value=MonthPayment;
}