function gethomegraphics() {
var theImages = new Array()
var theLinks = new Array()
theImages[0] = 'lunchspecial.jpg'
theLinks[0] = '#'
theImages[1] = 'pizza.jpg'
theLinks[1] = '#'
theImages[2] = 'giftshop.jpg'
theLinks[2] = 'shop.html'

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 whichNumber = Math.round(Math.random()*(p-1));
document.write('<a href="'+theLinks[whichNumber]+'" class="normala"><img src="images/'+theImages[whichNumber]+'" alt="" width="539" height="236" border="0" /></a>');
}