img = new Array();
img[0] = "images/top01.jpg";
img[1] = "images/top02.jpg";
img[2] = "images/top03.jpg";
n = Math.floor(Math.random()*img.length);
document.write("<img src='"+img[n]+"' border='0' width='541' height='83' alt='Sushi Bar Hayama'>");