if (document.images) { 
	img1on=new Image();
  	img1on.src="images/homeMO.jpg";
	img2on=new Image();
    img2on.src="images/aboutMO.jpg";
    img3on=new Image();
    img3on.src="images/listingsMO.jpg";
    img4on=new Image();
  	img4on.src="images/findMO.jpg";
	img5on=new Image();
    img5on.src="images/valuationMO.jpg";
    img6on=new Image();
    img6on.src="images/loanMO.jpg";
    img7on=new Image();
    img7on.src="images/infoMO.jpg";
    img8on=new Image();
    img8on.src="images/mlsMO.jpg";
    img9on=new Image();
    img9on.src="images/glossaryMO.jpg";
    img10on=new Image();
    img10on.src="images/testimonialsMO.jpg";
    img11on=new Image();
    img11on.src="images/contactMO.jpg";


    
    
    img1off=new Image();
  	img1off.src="images/home.jpg";
	img2off=new Image();
    img2off.src="images/about.jpg";
    img3off=new Image();
    img3off.src="images/listings.jpg";
    img4off=new Image();
  	img4off.src="images/find.jpg";
	img5off=new Image();
    img5off.src="images/valuation.jpg";
    img6off=new Image();
    img6off.src="images/loan.jpg";
    img7off=new Image();
    img7off.src="images/info.jpg";
    img8off=new Image();
    img8off.src="images/mls.jpg";
    img9off=new Image();
    img9off.src="images/glossary.jpg";
    img10off=new Image();
    img10off.src="images/testimonials.jpg";
    img11off=new Image();
    img11off.src="images/contact.jpg";
		} 

function imgOn(imgName) { 
   if (document.images){ 
   document[imgName].src = eval(imgName + "on.src"); 
    } } 
function imgOff(imgName) { 
   if (document.images) { 
   document[imgName].src = eval(imgName + "off.src"); 
    } }




function floor(number){
	return Math.floor(number*Math.pow(10,2))/Math.pow(10,2);
}

function dosum(){
	var mi = document.main.InterestRate.value / 1200;
	var base = 1;
	var mbase = 1 + mi;

	for (i=0; i<document.main.YearsForMortgage.value * 12; i++){
		base = base * mbase
	}

	document.main.PI.value = floor(String(document.main.BorrowAmount.value).replace(/\D/g,'') * mi / ( 1 - (1/base)))
	document.main.MT.value = floor(document.main.AnnualPropTax.value / 12)
	document.main.MI.value = floor(document.main.AnnualInsurance.value / 12)

	var dasum = String(document.main.BorrowAmount.value).replace(/\D/g,'') * mi / ( 1 - (1/base)) +

	document.main.AnnualPropTax.value / 12 + 
	document.main.AnnualInsurance.value / 12;
	document.main.MP.value = floor(dasum);
}