if (document.images) {
image0 = new Image;
image1 = new Image;
image2 = new Image;
image3 = new Image;
image4 = new Image;
image5 = new Image;
image0.src = '../../images/h4h1a.jpg';
image1.src = '../../images/h4h2a.jpg';
image2.src = '../../images/h4h3a.jpg';
image3.src = '../../images/h4h4a.jpg';
image4.src = '../../images/h4h5a.jpg';
image5.src = '../../images/h4h6a.jpg';
} else {
image0 = '';
image1 = '';
image2 = '';
image3 = '';
image4 = '';
image5 = '';
document.rollimg = '';
} 

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