var theImages = new Array() 

theImages[0] = '/Images/Stocks/Schaalmodellen/1-homepage.jpg'
theImages[1] = '/Images/Stocks/Schaalmodellen/2-homepage.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 width="240" height="115" src="'+theImages[whichImage]+'">');
}