// JavaScript Document
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function CalculatePayment(downpayment, price, term, rate)

{
	var intPrice=price.value;
	var intterm=term.options[term.selectedIndex].text
	var intrate=rate.options[rate.selectedIndex].text
	var intdownpayment=downpayment.value;
		
    var principal = intPrice - intdownpayment;
		
    var i = intrate / 1200;
    var pow = 1;

    for(var j = 0; j < intterm; j++)
	{
       pow *= (1 + i);
	 }

    var mth = (principal * pow * i) / (pow - 1);
	mth = Math.round(mth * 100) / 100;
	txtmonth.value="$" + mth;
    return mth;
	
   }

 function UpdatePayment()
 {
   var frm = document.forms["estimate_payment"];
/* */
   var est = CalculatePayment(
      frm["cash"].value,
      21985,
      frm["term"].value,
      frm["rate"].value
      );
   document.getElementById("txtmonth").value = "$" + FormatNumber(est);
   
/* */                                                                                                                                           
    }
	
	function clearT()
	{
	document.getElementById("txtprice").value = " ";
	document.getElementById("txtdown").value = " ";
	document.getElementById("txtmonth").value = " ";
	}