function changeOpac(opacity, id) 
{ 
var object = document.getElementById(id).style; 
object.opacity = (opacity / 101); 
object.MozOpacity = (opacity / 101); 
object.KhtmlOpacity = (opacity / 101); 
object.filter = "alpha(opacity=" + opacity + ")"; 
} 

function blendimage(divid, imageid, imagefile, millisec) 
{ 
	var speed = Math.round(millisec / 10); 
	var timer = 2; 
	//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 = strFolder + imagefile; 
	
	//fade in image 
	for(i = 0; i <= 100; i++) 
	{ 
		setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed)); 
		timer++; 
	} 
} 

function end_collage() //collage at end
{
	blendimage(divID[0],imgID[0],"Slideshow_advocacy1.jpg",100);
	setTimeout("start_collage()",100);
}

function start_collage() // collage at load
{
	blendimage(divID[0],imgID[0],"Slideshow_advocacy1.jpg",100);
	setTimeout("PMASlideShow(0,0)",100);
}



var slideCache 	= new Array();
var x = 0;

var divID		= new Array();
var imgID		= new Array();
var theImages 	= new Array();
var displaySecs = 3; //seconds to display each slide
var intSlides 	= 14; //number of slides in each show
var intNumberOfShows = 1;
var strFolder = "assets/slideshow/"

	divID[0] 		= "ssDiv1";
	imgID[0] 		= "img1";
	theImages[0] 	= "Slideshow_advocacy1.jpg;Slideshow_advocacy2.jpg;Slideshow_advocacy3.jpg;Slideshow_advocacy4.jpg;Slideshow_advocacy5.jpg;Slideshow_advocacy6.jpg;Slideshow_advocacy7.jpg;Slideshow_advocacy8.jpg;Slideshow_advocacy9.jpg;Slideshow_advocacy10.jpg;Slideshow_advocacy10a.jpg;Slideshow_advocacy10b.jpg;Slideshow_advocacy10c.jpg;Slideshow_advocacy11.jpg;Slideshow_advocacy12.jpg;Slideshow_advocacy13.jpg;Slideshow_advocacy14.jpg";

function PMASlideShow(intShow,x) // x controls the last image to be shown 
{
	if (intShow < intNumberOfShows)
	{
		var imageSeparator 	= theImages[intShow].indexOf(";"); 
		var nextImage 		= theImages[intShow].substring(0,imageSeparator);
	
		changeOpac(0, imgID[intShow]); 
		blendimage(divID[intShow],imgID[intShow],nextImage,100); 
		
				
		var futureImages= theImages[intShow].substring(imageSeparator+1,theImages[intShow].length)+ ';' + nextImage; 
		theImages[intShow] = futureImages;
		x++;
		
		if (x < intSlides)
		{
				
			setTimeout("PMASlideShow("+intShow+","+x+")",displaySecs*2500);
		}
		else
		{
			intShow++;
			if (intShow <= intNumberOfShows)
			{
				setTimeout("PMASlideShow("+intShow+",0)",displaySecs*2500);
			}
		}
		
		// 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; 
		} 
	}
	else
	{
	setTimeout("end_collage()",10000);
	}
}