// JavaScript Document
var images = new Array()
images[0] = 'images/image01.jpg'
images[1] = 'images/image02.jpg'
images[2] = 'images/image03.jpg'

// Script Start
var j = 0
var p = images.length;
var preBuffer = new Array()
for (i = 0; i < p; i++){
   preBuffer[i] = new Image()
   preBuffer[i].src = images[i]
}
var whichimage = Math.round(Math.random()*(p-1));
function showImage(){
document.write('<img src="'+images[whichimage]+'">');
}
// Javascript Document End