// Set up the image files to be used.
var theImages = new Array() // do not change this
// To add more image files, continue with the
// pattern below, adding to the array.

theImages[0] = 'books/flash-mx.jpg'
theImages[1] = 'books/linux-pocketguide.jpg'
theImages[2] = 'books/networking.jpg'
theImages[3] = 'books/professional-php.jpg'
theImages[4] = 'books/programming.jpg'
theImages[5] = 'books/sams-office-2003.jpg'
theImages[6] = 'books/wrox-beginning-php.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('<a href="http://www.skillsheaven.com/download-ebooks"><img src="'+theImages[whichImage]+'"></a>');
}