images = new Array(6);

images[0] = "<img src='/banner/vases.png' alt=''>";

images[1] = "<img src='/banner/twist.png' alt=''>";

images[2] = "<img src='/banner/bradford.png' alt=''>";

images[3] = "<img src='/banner/twist2.png' alt=''>";

images[4] = "<img src='/banner/generation.png' alt=''>";

images[5] = "<img src='/banner/bradford_fire.png' alt=''>";

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

document.write(images[index]);