// JavaScript Document
functions:
//www.cryer.co.uk © 2004 and www.brainerror.net ver 1.3 © June 7,2004
//were reference for the following Javascript slide show code
function changeOpac(opacity, id)
{
var object = document.getElementById(id).style;
object.opacity = (opacity / 100);
object.MozOpacity = (opacity / 100);
object.KhtmlOpacity = (opacity / 100);
object.filter = "alpha(opacity=" + opacity + ")";
}

function blendimage(divid, imageid, imagefile, millisec)
{
var speed = Math.round(millisec / 10);
var timer = 0;

//set the current image as background
document.getElementById(divid).style.backgroundImage = "url(" + document.getElementById(imageid).src + ")";

//make image transparent
changeOpac(0, imageid);

//make new image
document.getElementById(imageid).src = imagefile;

//fade in image
for(i = 0; i <= 100; i++)
{
setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed));
timer++;
}
}

var slideCache = new Array();
function RunSlideShow(divid,imageid,imageFiles,displaySecs)
{
var imageSeparator = imageFiles.indexOf(";");
var nextImage = imageFiles.substring(0,imageSeparator);

changeOpac(0, imageid);
blendimage(divid,imageid,nextImage,100);

var futureImages= imageFiles.substring(imageSeparator+1,imageFiles.length)+ ';' + nextImage;
setTimeout("RunSlideShow('"+divid+"','"+imageid+"','"+futureImages+"',"+displaySecs+")",displaySecs*1000);

// Cache the next image to improve performance.
imageSeparator = futureImages.indexOf(";");
nextImage = futureImages.substring(0,imageSeparator);
if (slideCache[nextImage] == null)
{
slideCache[nextImage] = new Image;
slideCache[nextImage].src = nextImage;
}
}

