images = new Array(4);
images[0] = "<a href = 'information/tourism.asp'><img src='images/photos/small/astronomical_clock.jpg' alt='Prague Information' width='110' height='100' border='0'></a>";
images[1] = "<a href = 'information/tourist_information.asp'><img src='images/photos/small/balon.jpg' alt='Prague Tourist Information' width='110' height='100' border='0'></a>";
images[2] = "<a href = 'information/tourism.asp'><img src='images/photos/small/prague_castle.jpg' alt='Prague Information' width='110' height='100' border='0'></a>";
images[3] = "<a href = 'information/tourist_information.asp'><img src='images/photos/small/czech_beer_festival.jpg' alt='Prague Tourist Information' width='110' height='100' border='0'></a>";
index = Math.floor(Math.random() * images.length);
document.write(images[index]);