/**********************************/
/**** SiteCM 2.5 Slideshow ********/
/**********************************/

function SlideShow(id){
	this.ID = id;
	this.Images = new Array();
	this.TotalImages = 0;
	this.CurrentImage = 1;
}

SlideShow.prototype.AddImage = function(alt, url, width, height){
	var anImage = new SlideShowImage;
	anImage.alt = alt;
	anImage.url = url;
	anImage.width = width;
	anImage.height = height;
	this.Images[this.TotalImages] = anImage;
	this.TotalImages += 1;
}

SlideShow.prototype.Next = function(){
	if(this.CurrentImage+1 <= this.TotalImages){
		this.CurrentImage = this.CurrentImage + 1;
		this.ShowGraphic();
	}
}

SlideShow.prototype.Previous = function(){
	if(this.CurrentImage-1 >= 1){
		this.CurrentImage = this.CurrentImage - 1;
		this.ShowGraphic();
	}
}

SlideShow.prototype.First = function(){
	this.CurrentImage = 1;
	this.ShowGraphic();
}

SlideShow.prototype.Last = function(){
	this.CurrentImage = this.TotalImages;
	this.ShowGraphic();
}

SlideShow.prototype.ShowGraphic = function(){
	getObj("imagePlaceHolder_"+this.ID).src = "/SiteCM3/i/shim.gif";
	getObj("imagePlaceHolder_"+this.ID).src = this.Images[this.CurrentImage-1].url;
	getObj("imagePlaceHolder_"+this.ID).height = this.Images[this.CurrentImage-1].height;
	getObj("imagePlaceHolder_"+this.ID).width = this.Images[this.CurrentImage-1].width;
	var textPlaceholder = getObj("textPlaceholder_"+this.ID);
	if(textPlaceholder){
		textPlaceholder.innerHTML = this.Images[this.CurrentImage-1].alt;
	}
	getObj("imageCounter_"+this.ID).innerHTML = '<span class="NavText NavTextCounter">' + this.CurrentImage + ' of ' + this.TotalImages + '</span>';
}

function SlideShowImage(){
	this.width = 0;
	this.height = 0;
	this.alt="";
	this.url="";
}