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; 

	document.getElementById(divid).style.backgroundImage = "url(" + document.getElementById(imageid).src + ")"; 

	changeOpac(0,imageid); 

	document.getElementById(imageid).src = imagefile; 

	for(i = 0; i <= 100; i++) 
	{ 
		setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed)); 
		timer++; 
	} 
} 

var slideCache = new Array(); 

function RunSlideShow(divid,imageid,imageFiles,displaySecs,cycle) 
{ 
	var imageSeparator = imageFiles.indexOf(";"); 
	var nextImage = imageFiles.substring(0,imageSeparator); 

	changeOpac(0, imageid);

	if (nextImage.length < 18) {
		displaySecs = 10
	} else {
		displaySecs = 3
	}

	if (cycle == 1) {
		displaySecs = 7
	}

	blendimage(divid,imageid,nextImage,100); 

	var futureImages = imageFiles.substring(imageSeparator+1,imageFiles.length)+ ';' + nextImage; 
	setTimeout("RunSlideShow('"+divid+"','"+imageid+"','"+futureImages+"',"+displaySecs+","+cycle+")",displaySecs*1000); 

	imageSeparator = futureImages.indexOf(";"); 
	nextImage = futureImages.substring(0,imageSeparator); 

	if (slideCache[nextImage] == null) 
	{ 
		slideCache[nextImage] = new Image; 
		slideCache[nextImage].src = nextImage; 
	} 
}

function IndexAd () {
	var divid = "adscreen";
	var imageid = "indxad";
	var imageFiles = "images/corsa-mid3.jpg;images/step-1.jpg;images/step-2.jpg;images/step-3.jpg;images/corsa-mid2.jpg";
	var displaySecs = 3;
	var cycle = 0;
	RunSlideShow(divid,imageid,imageFiles,displaySecs,cycle)
}

function IndexAd1 () {
	var divid = "adscreen";
	var imageid = "indxad";
	var imageFiles = "images/passed-test1.jpg;images/passed-test.jpg;images/passed-test3a.jpg";
	var displaySecs = 7;
	var cycle = 1;
	RunSlideShow(divid,imageid,imageFiles,displaySecs,cycle)
}