// JavaScript Document

var randomImage = new Array()

randomImage[0] = "welcome_image1.jpg";
randomImage[1] = "welcome_image2.jpg";
randomImage[2] = "welcome_image3.jpg";
randomImage[3] = "welcome_image4.jpg";
randomImage[4] = "welcome_image5.jpg";

var arrayLength = randomImage.length;

var i = Math.round(Math.random()*(arrayLength-1));

function showImage() {
	var img = "http://www.cambridge.gov.uk/public/images/shared/" + randomImage[i];
	var title = "Image of Council staff serving customers";
	document.write('<img src="' + img + '" alt="' + title + '" title="' + title + '" width="200" height="150" id="randomimage" />');
}