img = new Array() ;

img[0] = "images1/bg/train.jpg";
img[1] = "images1/bg/cafe.jpg";
img[2] = "images1/bg/island.jpg";
img[3] = "images1/bg/field.jpg";
img[4] = "images1/bg/sheeps.jpg";
img[5] = "images1/bg/island2.jpg";
img[6] = "images1/bg/viaduct.jpg";
img[7] = "images1/bg/rock.jpg";
img[8] = "images1/bg/town.jpg";
img[9] = "images1/bg/view.jpg";

n = Math.floor(Math.random()*img.length);
document.write("<img src='"+img[n]+"' class='come';> ");