<!--
function calculatePayment(formObj)
{
  var mi = formObj.interest.value / 1200;
  var base = 1;
  var mbase = 1 + mi;
  for (i=0; i<formObj.term.value * 12; i++)
  {
    base = base * mbase
  }
  
  var principle = formObj.listing_price.value - formObj.down_payment.value;
  
  var payment = (principle * mi / ( 1 - (1/base)) + formObj.taxes.value / 12 + formObj.insurance.value / 12);
  
  formObj.payment.value = payment.toFixed(2);
}

function changeImage(id,src)
{
	document.getElementById(id).src = src;
}

function validateForm(obj) {
	if(obj.zipcode.value == '' || obj.zipcode.value == null) {
		alert('Sorry, there is a problem with the city or zip code you provided. Please try again.');
		return false;
	} else
		return true;
}

//-->