if (document.images) {
image0 = new Image;
image1 = new Image;

image0.src = 'images/feature1_photo1.jpg';
image1.src = 'images/feature1_photo2.jpg';

} else {
image0 = '';
image1 = '';

  document.rollimg = '';
}
var cap = [
' ',
' ',
];

function rollover(n) {
document.rollimg.src = window['image'+n].src;
document.getElementById('caption').innerHTML = cap[n];
}