// JavaScript Document

images = new Array(4);

images[0] = "<a href = 'http://www.trident-uk.co.uk'><img src='http://www.trident-uk.co.uk/Trident_images08/touchscreens.jpg' alt='touch screen' /></a>";

images[1] = "<a href = 'http://www.trident-uk.co.uk'><img src='http://www.trident-uk.co.uk/Trident_images08/flat_panel_PCs.jpg' alt='flat panel PC' /></a>";

images[2] = "<a href = 'http://www.trident-uk.co.uk'><img src='http://www.trident-uk.co.uk/Trident_images08/component_displays.jpg' alt='companent displays' /></a>";

images[3] = "<a href = 'http://www.trident-uk.co.uk'><img src='http://www.trident-uk.co.uk/Trident_images08/card_readerwriters.jpg' alt='card readerwriters' /></a>";

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

document.write(images[index]);