images = new Array(4);
images[0] = "<img src='/img/testimonial-1.gif' alt='Customer Testimonial'><br>";
images[1] = "<img src='/img/testimonial-2.gif' alt='Customer Testimonial'><br>";
images[2] = "<img src='/img/testimonial-3.gif' alt='Customer Testimonial'><br>";
images[3] = "<img src='/img/testimonial-4.gif' alt='Customer Testimonial'><br>";

function getRandomImage() {
	index = Math.floor(Math.random() * images.length);
	document.write(images[index]);
}