var theImages = new Array() 
theImages[0] = 'home_image1.jpg'
theImages[1] = 'home_image2.jpg'
theImages[2] = 'home_image3.jpg'
theImages[3] = 'home_image4.jpg'

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(MyTitle, MyURL){
document.write('<a title="'+ MyTitle + '" href="'+ MyURL +'" target="_self"><img src="/uploadedImages/Featured_Content/'+theImages[whichImage]+'" border=0; /></a>');
}