// JavaScript Document

var myImages = new Array()

myImages[0] = 'images/homeFence.jpg'
myImages[1] = 'images/homeBathroom.jpg'
myImages[2] = 'images/homeOverhead.jpg'
myImages[3] = 'images/homeSpecial.jpg'

var j = 0
var p = myImages.length;

var preBuffer = new Array()
for (i = 0; i < p; i++){
   preBuffer[i] = new Image()
   preBuffer[i].src = myImages[i]
}

var whichImage = Math.round(Math.random()*(p-1));
function showImage(){
document.write('<img src="'+myImages[whichImage]+'">');
}