var theImages = new Array();

theImages[0] = '1.jpg';
theImages[1] = '2.jpg';
theImages[2] = '3.jpg';
theImages[3] = '4.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()
{
	document.write('<img src="../images/home_rotate_images/'+theImages[whichImage]+'">');
}