var iValue, rNumber;
var img1 = new Image();
var img2 = new Image();
var img3 = new Image();
var img4 = new Image();
var img5 = new Image();
var img6 = new Image();
var img7 = new Image();
var img8 = new Image();
var img9 = new Image();
var img10 = new Image();
img1 = "../img/photo/l/1.jpg";
img2 = "../img/photo/l/2.jpg";
img3 = "../img/photo/l/3.jpg";
img4 = "../img/photo/l/4.jpg";
img5 = "../img/photo/l/5.jpg";
img6 = "../img/photo/l/6.jpg";
img7 = "../img/photo/l/7.jpg";
img8 = "../img/photo/l/8.jpg";
img9 = "../img/photo/l/9.jpg";
img10 = "../img/photo/l/10.jpg";

function display_image(){
iValue = Math.random() * 10;
rNumber = Math.ceil(iValue);
if(rNumber==0) rNumber++;
document.image1.src=eval("img" + rNumber);
}