// -----------------------------------------------------------------------------------
// 
// This page coded by Scott Upton
// http://www.uptonic.com | http://www.couloir.org
//
// This work is licensed under a Creative Commons License
// Attribution-ShareAlike 2.0
// http://creativecommons.org/licenses/by-sa/2.0/
//
// Associated APIs copyright their respective owners
//
// -----------------------------------------------------------------------------------
// --- version date: 11/28/05 --------------------------------------------------------


// get current photo id from URL
var thisURL = document.location.href;
var splitURL = thisURL.split("#");
var photoId = splitURL[1] - 1;

// if no photoId supplied then set default
var photoId = (!photoId)? 0 : photoId;

// CSS border size x 2
var borderSize = 10;

// Photo directory for this gallery
var photoDir = "img/jewelry/collections/scalloped_faceted/";

// Define each photo's name, height, width, and caption
var photoArray = new Array(
	// Source, Width, Height, Caption
	
	//1
	new Array("01.jpg", "360", "360", "<strong>Rings</strong><br><br>silver<br>"),
	
	//2
	new Array("02.jpg", "360", "240", "<strong>Earrings</strong><br><br>silver<br>"),
	
	//3
	new Array("03.jpg", "360", "240", "<strong>Pendants</strong><br><br>silver<br>"),
	
	//4
	new Array("04.jpg", "360", "540", "<strong>Earrings</strong><br><br>silver<br>"),
	
	//5
	new Array("05.jpg", "360", "360", "<strong>Earrings</strong><br><br>silver<br>"),
	
	//6
	new Array("06.jpg", "360", "540", "<strong>Earrings</strong><br><br>oxidized silver<br>"),
	
	//7
	new Array("07.jpg", "360", "360", "<strong>Earrings</strong><br><br>oxidized silver<br>"),
	
	//8
	new Array("08.jpg", "360", "540", "<strong>Pendant</strong><br><br>oxidized copper or silver<br>"),

	//9
	new Array("6086-1.jpg", "360", "360", "<strong>Small Criss Cross Posts Earrings</strong><br><br>oxidized silver<br><I>approx 5/8in x 7/8in x 1/8in</I><br>"),
	
	//10
	new Array("6086-2.jpg", "360", "360", "<strong>Large Criss Cross Posts Earrings</strong><br><br>silver<br><I>approx 1 1/4in x 1 1/4in x 1/4in</I><br>"),
	
	//11
	new Array("6086-3.jpg", "360", "360", "<strong>Long Criss Cross Posts Earrings</strong><br><br>oxidized silver<br><I>approx 5/8in x 1 1/4in x 1/8in</I><br>"),
	
	//12
	new Array("6086-4.jpg", "360", "360", "<strong>Tri-Fold Posts Earrings</strong><br><br>oxidized silver<br><I>approx 1 1/8in x 1 1/8in x 1/8in</I><br>"),
	
	//13
	new Array("6086-5.jpg", "360", "360", "<strong>Small Criss Cross Posts Earrings</strong><br><br>silver<br><I>approx 5/8in x 7/8in x 1/8in</I><br>"),
	
	//14
	new Array("6086-6.jpg", "360", "360", "<strong>4-Quarter Posts Earrings</strong><br><br>oxidized silver<br><I>approx 1 1/8in x 1 1/8in x 1/8in</I><br>"),

	//15
	new Array("6089-1.jpg", "360", "360", "<strong>Tri-Fold Ring</strong><br><br>oxidized silver<br><I>approx 1 1/8in x 1 1/8in x 1/8in</I><br>"),
	
	//16
	new Array("6089-2.jpg", "360", "360", "<strong>Large Criss Cross Ring</strong><br><br>silver<br><I>approx 1 1/4in x 1 1/4in x 1/4in</I><br>"),
	
	//17
	new Array("6089-3.jpg", "360", "360", "<strong>4-Quarters Ring</strong><br><br>silver<br><I>approx 1 1/8in x 1 1/8in x 1/8in</I><br>"),
	
	//18
	new Array("6089-4.jpg", "360", "360", "<strong>Long Criss Cross Ring</strong><br><br>oxidized silver<br><I>approx 5/8in x 1 1/4in x 1/8in</I><br>"),
	
	//19
	new Array("6089-5.jpg", "360", "360", "<strong>Small Criss Cross Ring</strong><br><br>silver<br><I>approx 5/8in x 5/8in x 1/8in</I><br>"),
	
	//20
	new Array("6089-6.jpg", "360", "360", "<strong>Medium Criss Cross Ring</strong><br><br>oxidized silver<br><I>approx 5/8in x 7/8in x 1/8in</I><br>"),

	//21
	new Array("6092-1.jpg", "360", "360", "<strong>Tri-Fold Pendant</strong><br><br>oxidized silver<br><I>approx 1 1/8in x 1 1/8in x 1/8in</I><br>"),
	
	//22
	new Array("6092-2.jpg", "360", "360", "<strong>4-Quarters Pendant</strong><br><br>silver<br><I>approx 1 1/8in x 1 1/8in x 1/8in</I><br>"),
	
	//23
	new Array("6092-3.jpg", "360", "360", "<strong>Large Criss Cross Pendant</strong><br><br>oxidized silver<br><I>approx 1 1/4in x 1 1/4in x 1/4in</I><br>"),
	
	//24
	new Array("6092-4.jpg", "360", "360", "<strong>Medium Criss Cross Pendant</strong><br><br>silver<br><I>approx 7/8in x 5/8in x 1/8in</I><br>"),

	//25
	new Array("6470-1.jpg", "360", "360", "<strong>Double Medium Criss Cross Earrings</strong><br><br>oxidized silver <br><I>approx 5/8in x 1 3/4in x 1/8in</I><br>"),
	
	//26
	new Array("6470-2.jpg", "360", "360", "<strong>Double 4-Quarter Earrings</strong><br><br>oxidized silver <br><I>approx 1 1/8in x 2 1/4in x 1/8in</I><br>"),
	
	//27
	new Array("6470-3.jpg", "360", "360", "<strong>Double Criss Cross Earrings</strong><br><br>silver <br><I>approx 1 1/8in x 2 1/4in x 1/8in</I><br>"),
	
	//28
	new Array("6470-4.jpg", "360", "360", "<strong>Double Tri-Fold Earrings</strong><br><br>silver <br><I>approx 1 1/8in x 2 1/4in x 1/8in</I><br>"),
	
	//29
	new Array("6470-5.jpg", "360", "360", "<strong>Double Small Criss Cross Earrings</strong><br><br>silver <br><I>approx 5/8in x 1 1/4in x 1/8in</I><br>"),
	
	//30
	new Array("6470-6.jpg", "360", "360", "<strong>Double Large Criss Cross Earrings</strong><br><br>oxidized silver <br><I>approx 1 1/4in x 2 1/2in x 1/4in</I><br>")
	
	
	);
// Number of photos in this gallery
var photoNum = photoArray.length;

/*--------------------------------------------------------------------------*/

// Additional methods for Element added by SU, Couloir
Object.extend(Element, {
	getWidth: function(element) {
   	element = $(element);
   	return element.offsetWidth; 
	},
	setWidth: function(element,w) {
   	element = $(element);
    	element.style.width = w +"px";
	},
	setHeight: function(element,h) {
   	element = $(element);
    	element.style.height = h +"px";
	},
	setSrc: function(element,src) {
    	element = $(element);
    	element.src = src; 
	},
	setHref: function(element,href) {
    	element = $(element);
    	element.href = href; 
	},
	setInnerHTML: function(element,content) {
		element = $(element);
		element.innerHTML = content;
	}
});

/*--------------------------------------------------------------------------*/

var Slideshow = Class.create();

Slideshow.prototype = {
	initialize: function(photoId) {
		this.photoId = photoId;
		this.photo = 'Photo';
		this.photoBox = 'Container';
		this.prevLink = 'PrevLink';
		this.nextLink = 'NextLink';
		this.captionBox = 'CaptionContainer';
		this.caption = 'Caption';
		this.counter = 'Counter';
		this.loader = 'Loading';
	},
	getCurrentSize: function() {
		// Get current height and width, subtracting CSS border size
		this.wCur = Element.getWidth(this.photoBox);
		this.hCur = Element.getHeight(this.photoBox);
	},
	getNewSize: function() {
		// Get current height and width
		this.wNew = photoArray[photoId][1];
		this.hNew = photoArray[photoId][2];
	},
	getScaleFactor: function() {
		this.getCurrentSize();
		this.getNewSize();
		// Scalars based on change from old to new
		this.xScale = (this.wNew / this.wCur) * 100;
		this.yScale = (this.hNew / this.hCur) * 100;
	},
	setNewPhotoParams: function() {
		// Set source of new image
		Element.setSrc(this.photo,photoDir + photoArray[photoId][0]);
		// Set anchor for bookmarking
		Element.setHref(this.prevLink, "#" + (photoId+1));
		Element.setHref(this.nextLink, "#" + (photoId+1));
	},
	setPhotoCaption: function() {
		// Add caption from gallery array
		Element.setInnerHTML(this.caption,photoArray[photoId][3]);
		Element.setInnerHTML(this.counter,((photoId+1)+'/'+photoNum));
	},
	resizePhotoBox: function() {
		this.getScaleFactor();
		new Effect.Scale(this.photoBox, this.yScale, {scaleX: false, duration: 0.3, queue: 'front'});
		new Effect.Scale(this.photoBox, this.xScale, {scaleY: false, delay: 0.5, duration: 0.3});
		// Dynamically resize caption box as well
	},
	showPhoto: function(){
		new Effect.Fade(this.loader, {delay: 0.5, duration: 0.3});
		// Workaround for problems calling object method "afterFinish"
		new Effect.Appear(this.photo, {duration: 0.5, queue: 'end', afterFinish: function(){Element.show('CaptionContainer');Element.show('PrevLink');Element.show('NextLink');}});
	},
	nextPhoto: function(){
		// Figure out which photo is next
		(photoId == (photoArray.length - 1)) ? photoId = 0 : photoId++;
		this.initSwap();
	},
	prevPhoto: function(){
		// Figure out which photo is previous
		(photoId == 0) ? photoId = photoArray.length - 1 : photoId--;
		this.initSwap();
	},
	initSwap: function() {
		// Begin by hiding main elements
		Element.show(this.loader);
		Element.hide(this.photo);
		Element.hide(this.captionBox);
		Element.hide(this.prevLink);
		Element.hide(this.nextLink);
		// Set new dimensions and source, then resize
		this.setNewPhotoParams();
		this.resizePhotoBox();
		this.setPhotoCaption();
	}
}

/*--------------------------------------------------------------------------*/

// Establish CSS-driven events via Behaviour script
var myrules = {
	'#Photo' : function(element){
		element.onload = function(){
			var myPhoto = new Slideshow(photoId);
			myPhoto.showPhoto();
		}
	},
	'#PrevLink' : function(element){
		element.onclick = function(){
			var myPhoto = new Slideshow(photoId);
			myPhoto.prevPhoto();
		}
	},
	'#NextLink' : function(element){
		element.onclick = function(){
			var myPhoto = new Slideshow(photoId);
			myPhoto.nextPhoto();
		}
	},
	a : function(element){
		element.onfocus = function(){
			this.blur();
		}
	}
};

// Add window.onload event to initialize
Behaviour.addLoadEvent(init);
Behaviour.apply();
function init() {
	var myPhoto = new Slideshow(photoId);
	myPhoto.initSwap();
}