if (document.images) {
  image1on = new Image();
  image1on.src = "home1.jpg";
  image2on = new Image();
  image2on.src = "aboutus1.jpg";
  image3on = new Image();
  image3on.src = "store1.jpg";
  image4on = new Image();
  image4on.src = "services1.jpg";
  image5on = new Image();
  image5on.src = "samplework1.jpg";
  image6on = new Image();
  image6on.src = "contactus1.jpg";


  image1off = new Image();
  image1off.src = "home2.jpg";
  image2off = new Image();
  image2off.src = "aboutus2.jpg";
  image3off = new Image();
  image3off.src = "store2.jpg";
  image4off = new Image();
  image4off.src = "services2.jpg";
  image5off = new Image();
  image5off.src = "samplework2.jpg";
  image6off = new Image();
  image6off.src = "contactus2.jpg";
  

}
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");
    }
  }
}