function GalleryImage(p_url, p_image, p_title, p_description)
{
	this.url = p_url;
	this.image = p_image;
	this.title = p_title;
	this.description = p_description;
}

function GalleryImages(p_prevLink, p_prevImage, p_currentLink, p_currentImage, p_title, p_description, p_nextLink, p_nextImage)
{
	this.prevLink = p_prevLink;
	this.prevImage = p_prevImage;
	this.currentLink = p_currentLink;
	this.currentImage = p_currentImage;
	this.title = p_title;
	this.description = p_description;
	this.nextLink = p_nextLink;
	this.nextImage = p_nextImage;
	this.index = 0;
	this.galleryImages = new Dictionary();
}

GalleryImages.prototype.imageNext = function()
{
	if (this.index < this.galleryImages.length - 1)
		this.index++;
	else
		this.index = 0;
	this.updateGalleryImages();
}

GalleryImages.prototype.imagePrevious = function()
{
	if (this.index > 0)
		this.index--;
	else
		this.index = this.galleryImages.length - 1;
	this.updateGalleryImages();
}

GalleryImages.prototype.updateGalleryImages = function()
{
	var images = this.galleryImages;
	var currentIndex = this.index
	if (currentIndex == 0)
	{
		document.getElementById(this.prevLink).href = images[images.length - 1].url;
		var img = document.getElementById(this.prevImage)
		img.src = images[images.length - 1].image;
		img.alt = images[images.length - 1].title;
		img.title = images[images.length - 1].title;

		document.getElementById(this.currentLink).href = images[currentIndex].url;
		var img = document.getElementById(this.currentImage)
		img.src = images[currentIndex].image;
		img.alt = images[currentIndex].title;
		img.title = images[currentIndex].title;
		document.getElementById(this.title).innerHTML = images[currentIndex].title;
		document.getElementById(this.description).innerHTML = images[currentIndex].description;

		document.getElementById(this.nextLink).href = images[currentIndex + 1].url;
		var img = document.getElementById(this.nextImage)
		img.src = images[currentIndex + 1].image;
		img.alt = images[currentIndex + 1].title;
		img.title = images[currentIndex + 1].title;
	}
	else if (currentIndex == images.length - 1)
	{
		document.getElementById(this.prevLink).href = images[currentIndex - 1].url;
		var img = document.getElementById(this.prevImage)
		img.src = images[currentIndex - 1].image;
		img.alt = images[currentIndex - 1].title;
		img.title = images[currentIndex - 1].title;

		document.getElementById(this.currentLink).href = images[currentIndex].url;
		var img = document.getElementById(this.currentImage)
		img.src = images[currentIndex].image;
		img.alt = images[currentIndex].title;
		img.title = images[currentIndex].title;
		document.getElementById(this.title).innerHTML = images[currentIndex].title;
		document.getElementById(this.description).innerHTML = images[currentIndex].description;

		document.getElementById(this.nextLink).href = images[0].url;
		var img = document.getElementById(this.nextImage)
		img.src = images[0].image;
		img.alt = images[0].title;
		img.title = images[0].title;
	}
	else
	{
		document.getElementById(this.prevLink).href = images[currentIndex - 1].url;
		var img = document.getElementById(this.prevImage)
		img.src = images[currentIndex - 1].image;
		img.alt = images[currentIndex - 1].title;
		img.title = images[currentIndex - 1].title;

		document.getElementById(this.currentLink).href = images[currentIndex].url;
		var img = document.getElementById(this.currentImage)
		img.src = images[currentIndex].image;
		img.alt = images[currentIndex].title;
		img.title = images[currentIndex].title;
		document.getElementById(this.title).innerHTML = images[currentIndex].title;
		document.getElementById(this.description).innerHTML = images[currentIndex].description;

		document.getElementById(this.nextLink).href = images[currentIndex + 1].url;
		var img = document.getElementById(this.nextImage)
		img.src = images[currentIndex + 1].image;
		img.alt = images[currentIndex + 1].title;
		img.title = images[currentIndex + 1].title;
	}
}