// JavaScript Document
var iValue, rNumber;
var img1 = new Image();
var img2 = new Image();
var img3 = new Image();
var img4 = new Image();
img1 = "./img/top/img-top001.jpg";
img2 = "./img/top/img-top002.jpg";
img3 = "./img/top/img-top003.jpg";	
img4 = "./img/top/img-top004.jpg";	
function display_image(){
	iValue = Math.random() * 4;
	rNumber = Math.ceil(iValue);
	if(rNumber==0) rNumber++;
	document.image1.src=eval("img" + rNumber);
}