// Copyright 2005 Planet Biodiesel LLC
function Payoffcompute(form) {
var galsPerMo = (Number(payoffForm.milesDriven.value)/Number(form.mpg.value));
//document.write("1st Gals calc: "+galsPerMo)
var othergals = Number(payoffForm.otherGal.value) ;
var mcurPrice = Number(payoffForm.curprice.value) ;
var cost = 0
galsPerMo = (galsPerMo+othergals);
galsPerMo = (galsPerMo*4.33);
var galsPerYr = (galsPerMo*12);
var mSavingval = (mcurPrice -.75)

var mQT=0;
//galsPerYr=twoDecs(galsPerYr);
if (galsPerMo<=300)
 	{
	payoffForm.processor.value = "Model goes here. Coupon code 'Save200'";
	cost=5200;
	mQT=1;
}
else if (galsPerMo>300 && galsPerMo<=800)
	{
	payoffForm.processor.value = "Model goes here. Coupon code 'Save200'"; 
	cost=8200;
	mQT=1;
}
else if (galsPerMo>800 && galsPerMo<=1600)
{
	payoffForm.processor.value = "Model goes here. Coupon code 'Save200'";
	cost=16400;
	mQT=2;
}
else if (galsPerMo>1600 && galsPerMo<=2400)
{
	payoffForm.processor.value = "Model goes here. Coupon code 'Save200'";
	cost=24600;
	mQT=3;
}
else if (galsPerMo>2400 && galsPerMo<=3200)
{
	payoffForm.processor.value = "Model goes here. Coupon code 'Save200'";
	cost=32800;
	mQT=4;
}
else if (galsPerMo>3200 && galsPerMo<=4000)
{
	payoffForm.processor.value = "Model goes here. Coupon code 'Save200'";
	cost=41000;
	mQT=5;
}
else if (galsPerMo>4000 && galsPerMo<=48000)
{
	var blend=(4000/galsPerMo);
	//blend=twoDecs(blend);
	blend=(blend*100);
	blend=blend.toFixed(0);
	//blend=twoDecs(blend);
	mQT=5;

	payoffForm.processor.value = "BioPro 190's + Accessory package @ $41,000 with shipping. This package requires a biodiesel/diesel blend of "+blend+"% biodiesel and "+(100-blend)+"% diesel.";
	cost=41000;
}

var mpayoff= (cost/((galsPerYr*mSavingval)/12));
mpayoff=twoDecs(mpayoff);

if (galsPerMo>4000 && galsPerMo<=48000)
{
	mpayoff=2.93;
}
//galsPerMo=twoDecs(galsPerMo);
payoffForm.gpm.value =galsPerMo.toFixed(2);
payoffForm.payoff.value = mpayoff.toFixed(2);
payoffForm.QT.value = mQT;
payoffForm.yrgal.value = galsPerYr.toFixed(2);
}
function twoDecs(item) {
	Math.round(item*Math.pow(10,2))/Math.pow(10,2);
return item;
}
//  End -->

<!--
function MM_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.getElementById(n); return x;
}

function MM_validatePayoffForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validatePayoffForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') {
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (val<min || max<val) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
else
{
Payoffcompute(payoffForm)
}
  document.MM_returnValue = (errors == '');
}
//-->