//Run slideshow with fade
//Random numbered photos from specified directory
//Peter Anderson 12-23-2009
//Build the photo file array
var Pic = new Array ();
var numImages = 12;
for (i=0; i<numImages; i++)
{
 Pic[i]="photo_gallery/images/"+(i+1)+".jpg";
}

// Generate random number for random slides
var randomnumber=Math.floor(Math.random()*numImages);
var ImgNum = randomnumber;
var ImgLength = Pic.length - 1;

// Set slideShowSpeed (milliseconds)
var slideShowSpeed = 5000;
// Duration of crossfade (seconds)
var crossFadeDuration = 3;

var t;
var j = ImgNum;
var p = ImgLength;
var preLoad = new Array();
for (i = 0; i < p; i++) {
preLoad[i] = new Image();
preLoad[i].src = Pic[i];
}
function runSlideShow() {
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('runSlideShow()', slideShowSpeed);
}