images = new Array(2);
images[0] = "<h3>Featured business</h3> <a href='http://www.leasingoptions.co.uk/'><img src='images/ad-leasing-options.gif' alt='Leasing Options Ad' width='216' height='252' border='0' /></a>";
images[1] = "<h3>Featured business</h3> <a href='http://www.gpfleetsolutions.co.uk/'><img src='images/gp-ad.gif' alt='Leasing Options Ad' width='216' height='252' border='0' /></a>";
index = Math.floor(Math.random() * images.length);
document.write(images[index]);