// set the starting image.
var i = 0;			

// The array of div names which will hold the images.
//var image_slide = new Array('slide-1', 'slide-2');
var image_slide = new Array();

// The number of images in the array.
var NumOfImages; //= image_slide.length;



	
// The time to wait before moving to the next image. Set to 4 seconds by default.
var wait = 10000;

// The Fade Function
function SwapImage(x,y) {		
	$(image_slide[x]).appear({ duration: 1.0 });
	$(image_slide[y]).fade({duration: 1.0 });
}

function initiateSlideShow(){
	var x = 0;
	var o = document.getElementById("image-container").getElementsByTagName("div");
	for(var i=0;i<o.length;i++){
        if(o[i].className == "fade-box")
                x++;
	}

	for(id=0; id<x; id++){
		image_slide[id] = 'slide-'+(id+1);
	}


	NumOfImages = image_slide.length;

	play = setInterval('Play()',wait);
	$('PlayButton').hide();
	$('PauseButton').appear({ duration: 0});

	updatecounter();

	clearInterval(play);				

}
// the onload event handler that starts the fading.
function StartSlideShow() {
	var x = 0;
	var o = document.getElementById("image-container").getElementsByTagName("div");
	for(var i=0;i<o.length;i++){
        if(o[i].className == "fade-box")
                x++;
	}

	for(id=0; id<x; id++){
		image_slide[id] = 'slide-'+(id+1);
	}


	NumOfImages = image_slide.length;
	
	play = setInterval('Play()',wait);
	$('PlayButton').hide();
	$('PauseButton').appear({ duration: 0});
	
	updatecounter();
								
}

function Play() {
	var imageShow, imageHide;

	imageShow = i+1;
	imageHide = i;
	
	if (imageShow == NumOfImages) {
		SwapImage(0,imageHide);	
		i = 0;					
	} else {
		SwapImage(imageShow,imageHide);			
		i++;
	}
	
	var textIn = i+1 + ' / ' + NumOfImages;
	updatecounter();
}

function Stop () {
	clearInterval(play);				
	$('PlayButton').appear({ duration: 0});
	$('PauseButton').hide();
}

function GoNext() {
	clearInterval(play);
	$('PlayButton').appear({ duration: 0});
	$('PauseButton').hide();
	
	var imageShow, imageHide;

	imageShow = i+1;
	imageHide = i;
	
	if (imageShow == NumOfImages) {
		SwapImage(0,imageHide);	
		i = 0;					
	} else {
		SwapImage(imageShow,imageHide);			
		i++;
	}

	updatecounter();
}

function GoPrevious() {
	clearInterval(play);
	$('PlayButton').appear({ duration: 0});
	$('PauseButton').hide();

	var imageShow, imageHide;
				
	imageShow = i-1;
	imageHide = i;
	
	if (i == 0) {
		SwapImage(NumOfImages-1,imageHide);	
		i = NumOfImages-1;		
		
		//alert(NumOfImages-1 + ' and ' + imageHide + ' i=' + i)
					
	} else {
		SwapImage(imageShow,imageHide);			
		i--;
		
		//alert(imageShow + ' and ' + imageHide)
	}
	
	updatecounter();
}

function updatecounter() {
	var textIn = i+1 + ' / ' + NumOfImages;
	document.getElementById('Counter').innerHTML = textIn;
}