// Set slideShowSpeed (milliseconds)
var slideShowSpeed = 20000;

// Specify the image files
var Pic = new Array();

var dir = "http://www.stichtingaja.nl/slideshow/";

Pic[0] = '1a.jpg';
Pic[1] = '2a.jpg';
Pic[2] = '3a.jpg';
Pic[3] = '4a.jpg';
Pic[4] = '5a.jpg';
Pic[5] = '6a.jpg';
Pic[6] = '6b.jpg';
Pic[7] = '7a.jpg';
Pic[8] = '8a.jpg';
Pic[9] = '9a.jpg';

var index = 0;
var lastindex = index;
var morelastindex = lastindex;
var length = Pic.length

var preLoad = new Array()
for (i = 0; i < length; i++){
   preLoad[i] = new Image();
   preLoad[i].src = dir + Pic[i];
}

function runSlideShow()
{
   while(lastindex == index || index == morelastindex)
   {
       index = Math.floor(Math.random() * length);
   }

   morelastindex = lastindex;
   lastindex = index;

   document.images.SlideShow.src = preLoad[index].src;

   setTimeout('runSlideShow()', slideShowSpeed);
}