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

// The array of div names which will hold the images.
var image_slide = new Array('image-1', 'image-15', 'image-2',  'image-4', 'image-11',  'image-6', 'image-7', 'image-8', 'image-9', 'image-10', 'image-5', 'image-12', 'image-13', 'image-14', 'image-3', 'image-16');
//var image_slide = new Array('image-9', 'image-10', 'image-11', 'image-12', 'image-13', 'image-14', 'image-15', 'image-16');


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

// The time to wait before moving to the next image. Set to 3 seconds by default.
var wait = 3500;

// The Fade Function
function SwapImage(x,y) {		

	$(image_slide[x]).appear({ duration: 1.5 });
	$(image_slide[y]).fade({duration: 1.5});
}

// the onload event handler that starts the fading.
function StartSlideShow() {
	play = setInterval('Play()',wait);
	/*$('PlayButton').hide();
	$('PauseButton').appear({ duration: 0});*/
								
}

function Play() {
	var imageShow, imageHide;

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

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++;
	}
}
function GoTo(dale) {
	clearInterval(play);
	/*$('PlayButton').appear({ duration: 0});
	$('PauseButton').hide();*/
	
	var imageShow, imageHide;

	imageShow = dale;
	imageHide = imageShow-1;
	
	for (i=0; i<image_slide.length; i++) {
		algo = $(image_slide[i]).getStyle("display");
		if (algo == "block") {
				$(image_slide[i]).fade({duration: 1.5});
		}
	}
	$(image_slide[dale]).appear({ duration: 1.5 });
	/*if (imageShow == NumOfImages) {
		alert(imageShow+","+imageHide);
		SwapImage(0,imageHide);	
		i = 0;					
	} else {*/
	//	alert(imageShow+","+imageHide);
	//	SwapImage(imageShow,imageHide);			
	/*	i++;
	}*/
}

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)
	}
}