var theImages = new Array() // do not change this

theImages[0] = 'http://kafkef.net/wp-content/themes/mystique/images/_alt/header0.jpg'
theImages[1] = 'http://kafkef.net/wp-content/themes/mystique/images/_alt/header1.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('<style type="text/css">');
document.write('#page{background:transparent url('+theImages[whichImage]+') no-repeat center top;}');
document.write('</style>');
}

showImage();