// 
<!--
function changeImage (indexNum) {
  if (indexNum == 1) document.images.image01.src="images/5500.jpg";
  if (indexNum == 2) document.images.image01.src="images/Sprint.png";
  if (indexNum == 3) document.images.image01.src="images/4000.jpg";
  if (indexNum == 4) document.images.image01.src="images/3500.jpg"; 
  if (indexNum == 5) document.images.image01.src="images/2500.jpg"; }
function changeBack () {  document.images.image01.src="images/5500.jpg";  }
// -->