function Morgcal()
{
	form = document.myform
	LoanAmount= form.LoanAmount.value
		
	DownPayment= "0"
	AnnualInterestRate = form.InterestRate.value/100
	Years= form.NumberOfYears.value
		MonthRate=AnnualInterestRate/12
		WeekRate=AnnualInterestRate/52
		FortRate=AnnualInterestRate/26

	NumPayments=Years*12
	WNumPayments=Years*52
	FNumPayments=Years*26	

	Prin=LoanAmount-DownPayment
	
	MonthPayment=Math.floor((Prin*MonthRate)/(1-Math.pow((1+MonthRate),(-1*NumPayments)))*100)/100
	WeekPayment=Math.floor((Prin*WeekRate)/(1-Math.pow((1+WeekRate),(-1*WNumPayments)))*100)/100
	FortPayment=Math.floor((Prin*FortRate)/(1-Math.pow((1+FortRate),(-1*FNumPayments)))*100)/100

	form.NumberOfPayments.value=NumPayments
	form.WNumberOfPayments.value=WNumPayments
	form.FNumberOfPayments.value=FNumPayments

	form.MonthlyPayment.value=MonthPayment
	form.WeeklyPayment.value=WeekPayment
	form.FortPayment.value=FortPayment

}