// Set slideShowSpeed (milliseconds)
var slideShowSpeed = 5000

// Duration of crossfade (seconds)
var crossFadeDuration = 3

// Specify the image files
var headers = new Array()
headers[0] = 'images/pic_visual.jpg';
headers[1] = 'images/pic_visual2.jpg';
headers[2] = 'images/pic_visual.jpg';
headers[3] = 'images/pic_visual2.jpg';

var t
var j = 0
var p = headers.length

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

function RandomBackground()
{
 if (document.all)
 {
 document.images.SlideShow.style.filter="blendTrans(duration=2)"
 document.images.SlideShow.style.filter="blendTrans(duration=crossFadeDuration)"
 document.images.SlideShow.filters.blendTrans.Apply()
 }
 document.images.SlideShow.src = preLoad[j].src

 if (document.all)
 {
 document.images.SlideShow.filters.blendTrans.Play()
 }
 j = j + 1
 if (j > (p-1)) j=0
 t = setTimeout('RandomBackground()', slideShowSpeed)
}