images = new Array(4);

images[0] = "<a href = 'http://www.ritson-sole.com/tee-times/'><img src='http://www.ritson-sole.com/images/ads/golfdigest_teetimes_728x90.gif' alt='Tee Times Promo Code' border='0'></a>";

images[1] = "<a href = 'http://www.ritson-sole.com/shop/'><img src='http://www.ritson-sole.com/images/ads/giftshop_728x90.gif' alt='Golf Gifts' border='0'></a>";

images[2] = "<a href = 'http://www.ritson-sole.com/totalgolf'><img src='http://www.ritson-sole.com/images/ads/totalgolf-728x90.gif' alt='The TOTAL GOLF Experience' border='0'></a>";

images[3] = "<a href = 'http://www.ritson-sole.com/shop/index.php?main_page=product_info&cPath=3&products_id=39'><img src='http://www.ritson-sole.com/images/ads/golfgruva-728x90.jpg' alt='Golf Gruva - Pre-Order Now!' border='0'></a>";

index = Math.floor(Math.random() * images.length);

document.write(images[index]);