function JSCalc()
{
	form = document.form1
	LoanAmount= form.LoanAmount.value
	DownPayment= form.DownPayment.value
	if (DownPayment == "")  {
		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
}
function removeextra( strValue ) {
	re = /\$|%|,/g;
    return strValue.replace(re, "");
}
function numbercheck(entered, min, max, alertbox, datatype)
{
alertbox="Please enter a numeric value only!"
with (entered)
{
checkvalue=parseFloat(value);
if (datatype)
{smalldatatype=datatype.toLowerCase();
if (smalldatatype.charAt(0)=="i") 
{checkvalue=parseInt(value); if (value.indexOf(".")!=-1) {checkvalue=checkvalue+1}};
}
if ((parseFloat(min)==min && value.length<min) || (parseFloat(max)==max && value.length>max) || value!=checkvalue)
{if (alertbox!="") {alert(alertbox);} return false;}
else {return true;}
}
}