document.form1.home_value.value = 400000;
document.form1.down_pay.value = 20;
document.form1.interest_rate.value = 6.5;
document.form1.years.value = 30;
document.form1.tax_yearly.value = 5000;
document.form1.ins_yearly.value = 1000;
calculate();
document.form1.home_value.focus();
document.form1.home_value.select();
function calculate(){
	document.Ready_to_Post = false;
	validate_form('home_value','','RinRange       1:10000000','Home Value','down_pay','','RinRange       0:99','Down Payment Percent','interest_rate','','RinRange       1:20','Interest Rate','years','','RinRange       1:60','Years','tax_yearly','','RinRange       0:1000000','Tax Amount','ins_yearly','','RinRange       0:100000','Insurance Amount');
	if (!document.Ready_to_Post) return;
	var loan_amount = parseFloat(document.form1.home_value.value) * ((100 - (parseFloat(document.form1.down_pay.value)))/100);
	document.form1.loan_amount.value = loan_amount;
	var interest_rate  = parseFloat(document.form1.interest_rate.value);
	var years  = parseFloat(document.form1.years.value);
	var tax_yearly  = parseFloat(document.form1.tax_yearly.value);
	var ins_yearly  = parseFloat(document.form1.ins_yearly.value);
	var mi = interest_rate / 1200;
	var base = 1;
	var mbase = 1 + mi;
	for (i=0; i< years * 12; i++){
		base = base * mbase
	}
	var pi = loan_amount * mi / ( 1 - (1/base))
	document.form1.pi.value = MakeCents(pi * 100);
	var ta = tax_yearly / 12;
	document.form1.ta.value = MakeCents(ta * 100);
	var ins = ins_yearly / 12;
	document.form1.ins.value = MakeCents(ins * 100);
	var total = parseFloat(document.form1.pi.value) + parseFloat(document.form1.ta.value) + parseFloat(document.form1.ins.value);
	document.form1.total.value = MakeCents(total * 100);
}
function Ready_Post (){
	calculate();
	document.Ready_to_Post = false;
	return document.Ready_to_Post;
}