if (document.images) {
image0 = new Image;
image1 = new Image;
image2 = new Image;
image3 = new Image;
image4 = new Image;
image5 = new Image;
image6 = new Image;
image7 = new Image;
image8 = new Image;
image9 = new Image;
image10 = new Image;
image11 = new Image;
image0.src = '../../images/d1a.jpg';
image1.src = '../../images/d2a.jpg';
image2.src = '../../images/d3a.jpg';
image3.src = '../../images/d4a.jpg';
image4.src = '../../images/d5a.jpg';
image5.src = '../../images/d6a.jpg';
image6.src = '../../images/d7a.jpg';
image7.src = '../../images/d8a.jpg';
image8.src = '../../images/d9a.jpg';
image9.src = '../../images/d10a.jpg';
image10.src = '../../images/d11a.jpg';
image11.src = '../../images/d12a.jpg';
} else {
image0 = '';
image1 = '';
image2 = '';
image3 = '';
image4 = '';
image5 = '';
image6 = '';
image7 = '';
image8 = '';
image9 = '';
image10 = '';
image11 = '';
document.rollimg = '';
} 

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