var theImages = new Array()

theImages[0] = '/images/home/billboard1.jpg'
theImages[1] = '/images/home/billboard2.jpg'
theImages[2] = '/images/home/billboard3.jpg'

// do not edit anything below this line

var j = 0
var p = theImages.length;
var preBuffer = new Array()
for (i = 0; i < p; i++){
   preBuffer[i] = new Image()
   preBuffer[i].src = theImages[i]
}
var whichImage = Math.round(Math.random()*(p-1));
function showImage(){
document.write('<div id="home-content" style="background:url('+theImages[whichImage]+') 0 162px no-repeat;">');
}