if (document.images) {
  image1on = new Image();
  image1on.src = "/images/top-nav-home-on.gif";
  image2on = new Image();
  image2on.src = "/images/top-nav-living-room-on.gif";
  image3on = new Image();
  image3on.src = "/images/top-nav-laundry-room-on.gif";
  image4on = new Image();
  image4on.src = "/images/top-nav-stain-solver-on.gif";
  image5on = new Image();
  image5on.src = "/images/top-nav-products-on.gif";
  image6on = new Image();
  image6on.src = "/images/top-nav-ohop-on.gif";
  image7on = new Image();
  image7on.src = "/images/top-nav-coupons-on.gif";
  image8on = new Image();
  image8on.src = "/images/top-nav-contact-on.gif";
  image9on = new Image();
  image9on.src = "/images/home-img-carpet-on.jpg";
  image10on = new Image();
  image10on.src = "/images/home-img-laundry-on.jpg";
  image11on = new Image();
  image11on.src = "/images/products-landing-carpet-on.png";
  image12on = new Image();
  image12on.src = "/images/products-landing-laundry-on.png";

  image1off = new Image();
  image1off.src = "/images/top-nav-home.gif";
  image2off = new Image();
  image2off.src = "/images/top-nav-living-room.gif";
  image3off = new Image();
  image3off.src = "/images/top-nav-laundry-room.gif";
  image4off = new Image();
  image4off.src = "/images/top-nav-stain-solver.gif";
  image5off = new Image();
  image5off.src = "/images/top-nav-products.gif";  
  image6off = new Image();
  image6off.src = "/images/top-nav-ohop.gif";
  image7off = new Image();
  image7off.src = "/images/top-nav-coupons.gif";
  image8off = new Image();
  image8off.src = "/images/top-nav-contact.gif";
  image9off = new Image();
  image9off.src = "/images/home-img-carpet.jpg";
  image10off = new Image();
  image10off.src = "/images/home-img-laundry.jpg";
  image11off = new Image();
  image11off.src = "/images/products-landing-carpet.png";
  image12off = new Image();
  image12off.src = "/images/products-landing-laundry.png";
}

function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}