// Set up the image files to be used.
var theImages = new Array() // do not change this

theImages[0] = 'index_photo1a.jpg'
theImages[1] = 'index_photo1b.jpg'
theImages[2] = 'index_photo1c.jpg'
theImages[3] = 'index_photo1d.jpg'


var whichImage = Math.floor(Math.random()*4);

function showImage(){
document.write('<img name="index_photo1a" src="images/' + theImages[whichImage]+ '" width="225" height="113" border="0">');

}