// -----------------------------------------------------------------------------------
//
//	Lightbox v2.03
//	by Lokesh Dhakar - http://www.huddletogether.com
//	4/9/06
//
//	For more information on this script, visit:
//	http://huddletogether.com/projects/lightbox2/
//
//	Licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/
//	
//	Credit also due to those who have helped, inspired, and made their code available to the public.
//	Including: Scott Upton(uptonic.com), Peter-Paul Koch(quirksmode.org), Thomas Fuchs(mir.aculo.us), and others.
//
//
// -----------------------------------------------------------------------------------
/*

	Table of Contents
	-----------------
	Configuration
	Global Variables

	Extending Built-in Objects	
	- Object.extend(Element)
	- Array.prototype.removeDuplicates()
	- Array.prototype.empty()

	Lightbox Class Declaration
	- initialize()
	- start()
	- changeImage()
	- resizeImageContainer()
	- showImage()
	- updateDetails()
	- updateNav()
	- enableKeyboardNav()
	- disableKeyboardNav()
	- keyboardAction()
	- preloadNeighborImages()
	- end()
	
	Miscellaneous Functions
	- getPageScroll()
	- getPageSize()
	- getKey()
	- listenKey()
	- showSelectBoxes()
	- hideSelectBoxes()
	- showFlash()
	- hideFlash()
	- pause()
	- initLightbox()
	
	Function Calls
	- addLoadEvent(initLightbox)
	
*/
// -----------------------------------------------------------------------------------

//
//	Configuration
//
var fileLoadingImage = "images/loading.gif";		
var fileBottomNavCloseImage = "images/close.gif";

var animate = true;	// toggles resizing animations
var resizeSpeed = 7;	// controls the speed of the image resizing animations (1=slowest and 10=fastest)

var borderSize = 20;	//if you adjust the padding in the CSS, you will need to update this variable

var enabled = true;

// -----------------------------------------------------------------------------------

//
//	Global Variables
//
var imageArray = new Array;
var activeImage;

if(animate == true){
	overlayDuration = 0.2;	// shadow fade in/out duration
	if(resizeSpeed > 10){ resizeSpeed = 10;}
	if(resizeSpeed < 1){ resizeSpeed = 1;}
	resizeDuration = (11 - resizeSpeed) * 0.15;
} else { 
	overlayDuration = 0;
	resizeDuration = 0;
}

// -----------------------------------------------------------------------------------

//
//	Additional methods for Element added by SU, Couloir
//	- further additions by Lokesh Dhakar (huddletogether.com)
//
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";
	},
	setTop: function(element,t) {
	   	element = $(element);
    	element.style.top = t +"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;
	}
});

// -----------------------------------------------------------------------------------

//
//	Extending built-in Array object
//	- array.removeDuplicates()
//	- array.empty()
//
Array.prototype.removeDuplicates = function () {
    for(i = 0; i < this.length; i++){
        for(j = this.length-1; j>i; j--){        
            if(this[i][0] == this[j][0]){
                this.splice(j,1);
            }
        }
    }
}

// -----------------------------------------------------------------------------------

Array.prototype.empty = function () {
	for(i = 0; i <= this.length; i++){
		this.shift();
	}
}

// -----------------------------------------------------------------------------------

//
//	Lightbox Class Declaration
//	- initialize()
//	- start()
//	- changeImage()
//	- resizeImageContainer()
//	- showImage()
//	- updateDetails()
//	- updateNav()
//	- enableKeyboardNav()
//	- disableKeyboardNav()
//	- keyboardNavAction()
//	- preloadNeighborImages()
//	- end()
//
//	Structuring of code inspired by Scott Upton (http://www.uptonic.com/)
//
var Lightbox = Class.create();

Lightbox.prototype = {
	
	// initialize()
	// Constructor runs on completion of the DOM loading. Loops through anchor tags looking for 
	// 'lightbox' references and applies onclick events to appropriate links. The 2nd section of
	// the function inserts html at the bottom of the page which is used to display the shadow 
	// overlay and the image container.
	//
	initialize: function() {
		if (!document.getElementsByTagName){ return; }
		var anchors = document.getElementsByTagName('a');
		var areas = document.getElementsByTagName('area');

		// loop through all anchor tags
		for (var i=0; i<anchors.length; i++){
			var anchor = anchors[i];
			
			var relAttribute = String(anchor.getAttribute('rel'));
			
			// use the string.match() method to catch 'lightbox' references in the rel attribute
			if (anchor.getAttribute('href') && (relAttribute.toLowerCase().match('lightbox'))){
				anchor.onclick = function () {myLightbox.start(this); return false;}
			}
		}

		// loop through all area tags
		// todo: combine anchor & area tag loops
		for (var i=0; i< areas.length; i++){
			var area = areas[i];
			
			var relAttribute = String(area.getAttribute('rel'));
			
			// use the string.match() method to catch 'lightbox' references in the rel attribute
			if (area.getAttribute('href') && (relAttribute.toLowerCase().match('lightbox'))){
				area.onclick = function () {myLightbox.start(this); return false;}
			}
		}

		// The rest of this code inserts html at the bottom of the page that looks similar to this:
		//
		//	<div id="overlay"></div>
		//	<div id="lightbox">
		//		<div id="outerImageContainer">
		//			<div id="imageContainer">
		//				<img id="lightboxImage">
		//				<div style="" id="hoverNav">
		//					<a href="#" id="prevLink"></a>
		//					<a href="#" id="nextLink"></a>
		//				</div>
		//				<div id="loading">
		//					<a href="#" id="loadingLink">
		//						<img src="images/loading.gif">
		//					</a>
		//				</div>
		//			</div>
		//		</div>
		//		<div id="imageDataContainer">
		//			<div id="imageData">
		//				<div id="imageDetails">
		//					<span id="caption"></span>
		//					<span id="numberDisplay"></span>
		//				</div>
		//				<div id="bottomNav">
		//					<a href="#" id="bottomNavClose">
		//						<img src="images/close.gif">
		//					</a>
		//				</div>
		//			</div>
		//		</div>
		//	</div>


		var objBody = document.getElementsByTagName("body").item(0);	
		
		
		// New overlay for purchasing shizzy
		
		var objLightboxPurchase = document.createElement("div");
		objLightboxPurchase.setAttribute('id','lightboxPurchase');
		objBody.appendChild(objLightboxPurchase);
		
		var objPurchaseOverlay = document.createElement("div");
		objPurchaseOverlay.setAttribute('id','purchaseOverlay');
		objPurchaseOverlay.style.display = 'none';
		//objPurchaseOverlay.onclick = function() { myLightbox.endPurchase(); return false; }
		objLightboxPurchase.appendChild(objPurchaseOverlay);
		
		var objPurchaseContainer = document.createElement("div");
		objPurchaseContainer.setAttribute('id','purchaseContainer');
		objPurchaseContainer.style.display = 'none';
		//objPurchaseContainer.onclick = function() { myLightbox.endPurchase(); return false; }
		objLightboxPurchase.appendChild(objPurchaseContainer);
		
		var objFramedContainer = document.createElement("div");
		objFramedContainer.setAttribute('id','purchaseFramedContainer');
		objPurchaseContainer.appendChild(objFramedContainer);
		
		var objFramedHeader = document.createElement("span");
		objFramedHeader.setAttribute('id','purchaseFramedHeader');
		objFramedContainer.appendChild(objFramedHeader);
		
		var objFramedSubheader = document.createElement("span");
		objFramedSubheader.setAttribute('id','purchaseFramedSubheader');
		objFramedContainer.appendChild(objFramedSubheader);
		
		var objFramed = document.createElement("div");
		objFramed.setAttribute('id','purchaseFramed');
		objFramedContainer.appendChild(objFramed);
		
		var objFramedText = document.createElement("span");
		objFramedText.setAttribute('id','purchaseFramedText');
		objFramed.appendChild(objFramedText);
		
		var objUnframedContainer = document.createElement("div");
		objUnframedContainer.setAttribute('id','purchaseUnframedContainer');
		objPurchaseContainer.appendChild(objUnframedContainer);
		
		var objUnframed = document.createElement("span");
		objUnframed.setAttribute('id','purchaseUnframedHeader');
		objUnframedContainer.appendChild(objUnframed);
		
		var objUnframed = document.createElement("span");
		objUnframed.setAttribute('id','purchaseUnframedSubheader');
		objUnframedContainer.appendChild(objUnframed);
		
		var objUnframed = document.createElement("div");
		objUnframed.setAttribute('id','purchaseUnframed');
		objUnframedContainer.appendChild(objUnframed);
		
		var objUnframedText = document.createElement("span");
		objUnframedText.setAttribute('id','purchaseUnframedText');
		objUnframed.appendChild(objUnframedText);
		
		var objViewCart= document.createElement("div");
		objViewCart.setAttribute('id','purchaseViewCart');
		objPurchaseContainer.appendChild(objViewCart);
		
		var objViewCartText= document.createElement("span");
		objViewCartText.setAttribute('id','purchaseViewCartText');
		objViewCart.appendChild(objViewCartText);
		
		var objPurchaseFooterContainer= document.createElement("div");
		objPurchaseFooterContainer.setAttribute('id','purchaseFooterContainer');
		objPurchaseContainer.appendChild(objPurchaseFooterContainer);
		
		var objPurchaseFooter= document.createElement("span");
		objPurchaseFooter.setAttribute('id','purchaseFooter');
		objPurchaseFooterContainer.appendChild(objPurchaseFooter);
				
		var objPurchaseCloseLink = document.createElement("a");
		objPurchaseCloseLink.setAttribute('id','purchaseClose');
		objPurchaseCloseLink.setAttribute('href','#');
		objPurchaseCloseLink.setAttribute("onFocus","if(this.blur)this.blur();");
		objPurchaseCloseLink.onclick = function() { myLightbox.endPurchase(); return false; }
		objPurchaseOverlay.appendChild(objPurchaseCloseLink);
	
		var objPurchaseCloseImage = document.createElement("img");
		objPurchaseCloseImage.setAttribute('id','purchaseCloseImg');
		objPurchaseCloseImage.setAttribute('src', fileBottomNavCloseImage);
		objPurchaseCloseLink.appendChild(objPurchaseCloseImage);

                var objPurchaseStatCollector = document.createElement("img");
		objPurchaseStatCollector.setAttribute('id','purchaseStatCollector');
		objPurchaseCloseLink.appendChild(objPurchaseStatCollector);			
	
		// Lightbox basics
		
		var objOverlay = document.createElement("div");
		objOverlay.setAttribute('id','overlay');
		objOverlay.style.display = 'none';
		objOverlay.onclick = function() { if (enabled) {myLightbox.end();} else { return false}; }
		objBody.appendChild(objOverlay);
		
		var objLightbox = document.createElement("div");
		objLightbox.setAttribute('id','lightbox');
		objLightbox.style.display = 'none';
		objLightbox.onclick = function(e) {	// close Lightbox is user clicks shadow overlay
		   if (enabled) {
   			if (!e) var e = window.event;
   			var clickObj = Event.element(e).id;
   			if ( clickObj == 'lightbox') {
   				myLightbox.end();
   			}
   	   }
   	   else {
   	      return false;  
   	   }   
		};
		objBody.appendChild(objLightbox);
		
		// Original Lightbox shizzy
			
		var objOuterImageContainer = document.createElement("div");
		objOuterImageContainer.setAttribute('id','outerImageContainer');
		objLightbox.appendChild(objOuterImageContainer);

		// When Lightbox starts it will resize itself from 250 by 250 to the current image dimension.
		// If animations are turned off, it will be hidden as to prevent a flicker of a
		// white 250 by 250 box.
		if(animate){
			Element.setWidth('outerImageContainer', 250);
			Element.setHeight('outerImageContainer', 250);			
		} else {
			Element.setWidth('outerImageContainer', 1);
			Element.setHeight('outerImageContainer', 1);			
		}

		var objImageContainer = document.createElement("div");
		objImageContainer.setAttribute('id','imageContainer');
		objOuterImageContainer.appendChild(objImageContainer);
	
		var objLightboxImage = document.createElement("img");
		objLightboxImage.setAttribute('id','lightboxImage');
		objImageContainer.appendChild(objLightboxImage);
	
		var objHoverNav = document.createElement("div");
		objHoverNav.setAttribute('id','hoverNav');
		objImageContainer.appendChild(objHoverNav);
	
		var objPrevLink = document.createElement("a");
		objPrevLink.setAttribute('id','prevLink');
		objPrevLink.setAttribute('href','#');
		objHoverNav.appendChild(objPrevLink);
		
		var objNextLink = document.createElement("a");
		objNextLink.setAttribute('id','nextLink');
		objNextLink.setAttribute('href','#');
		objHoverNav.appendChild(objNextLink);
		
		var objCaptionContainer = document.createElement("div");
		objCaptionContainer.setAttribute('id','captionContainer');
		objImageContainer.appendChild(objCaptionContainer);
		
		var objCaption = document.createElement("span");
		objCaption.setAttribute('id','caption');
		objCaptionContainer.appendChild(objCaption);
	
		var objLoading = document.createElement("div");
		objLoading.setAttribute('id','loading');
		objImageContainer.appendChild(objLoading);
	
		var objLoadingLink = document.createElement("a");
		objLoadingLink.setAttribute('id','loadingLink');
		objLoadingLink.setAttribute('href','#');
		objLoadingLink.onclick = function() { if (enabled) { myLightbox.end(); return false;} else { return false;} }
		objLoading.appendChild(objLoadingLink);
	
		var objLoadingImage = document.createElement("img");
		objLoadingImage.setAttribute('src', fileLoadingImage);
		objLoadingLink.appendChild(objLoadingImage);
		
		var objLoadingDummy = document.createElement("img");
		objLoadingDummy.setAttribute('id','loadingDummy');
		objLoadingDummy.setAttribute('width','0');
		objLoadingDummy.setAttribute('height','0');
		objLoadingDummy.setAttribute('src', '');
		objLoadingLink.appendChild(objLoadingDummy);

		var objImageDataContainer = document.createElement("div");
		objImageDataContainer.setAttribute('id','imageDataContainer');
		objImageDataContainer.className = 'clearfix';
		objLightbox.appendChild(objImageDataContainer);

		var objImageData = document.createElement("div");
		objImageData.setAttribute('id','imageData');
		objImageDataContainer.appendChild(objImageData);
	
		var objImageDetails = document.createElement("div");
		objImageDetails.setAttribute('id','imageDetails');
		objImageData.appendChild(objImageDetails);
	
		//var objCaption = document.createElement("span");
		//objCaption.setAttribute('id','caption');
		//objImageDetails.appendChild(objCaption);
	
		//var objNumberDisplay = document.createElement("span");
		//objNumberDisplay.setAttribute('id','numberDisplay');
		//objImageDetails.appendChild(objNumberDisplay);
		
		var objBottomNav = document.createElement("div");
		objBottomNav.setAttribute('id','bottomNav');
		objImageData.appendChild(objBottomNav);
		
		var objNumberDisplay = document.createElement("span");
		objNumberDisplay.setAttribute('id','numberDisplay');
		objBottomNav.appendChild(objNumberDisplay);
	
		var objBottomNavCloseLink = document.createElement("a");
		objBottomNavCloseLink.setAttribute('id','bottomNavClose');
		objBottomNavCloseLink.setAttribute('href','#');
		objBottomNavCloseLink.setAttribute("onFocus","if(this.blur)this.blur();");
		objBottomNavCloseLink.onclick = function() { if (enabled) { myLightbox.end(); return false;} else {return false;} }
		objBottomNav.appendChild(objBottomNavCloseLink);
	
		var objBottomNavCloseImage = document.createElement("img");
		objBottomNavCloseImage.setAttribute('src', fileBottomNavCloseImage);
		objBottomNavCloseLink.appendChild(objBottomNavCloseImage);
		
		/*
		var objBuyLinkContainer = document.createElement("div");
		objBuyLinkContainer.setAttribute('id','buyLinkContainer');
		objLightbox.appendChild(objBuyLinkContainer);
		
		var objBuyLink = document.createElement("a");
		objBuyLink.setAttribute('id','buyLink');
		objBuyLink.setAttribute('href','#');
		objBuyLink.setAttribute("onFocus","if(this.blur)this.blur();");
		objBuyLinkContainer.appendChild(objBuyLink);

		*/
	},
	
	//
	//	start()
	//	Display overlay and lightbox. If image is part of a set, add siblings to imageArray.
	//
	start: function(imageLink) {	

		hideSelectBoxes();
		hideFlash();

		// stretch overlay to fill page and fade in
		var arrayPageSize = getPageSize();
		Element.setHeight('overlay', arrayPageSize[1]);

		new Effect.Appear('overlay', { duration: overlayDuration, from: 0.0, to: 0.8 });

		imageArray = [];
		imageNum = 0;		

		if (!document.getElementsByTagName){ return; }
		var anchors = document.getElementsByTagName('a');

		// if image is NOT part of a set..
		if((imageLink.getAttribute('rel') == 'lightbox')){
			// add single image to imageArray
			imageArray.push(new Array(imageLink.getAttribute('href'), "<B>" + imageLink.getAttribute('title').replace(/ - /g, "<BR>").replace("<BR>", "</B><BR>")));	
		} else {
		// if image is part of a set..

			// loop through anchors, find other images in set, and add them to imageArray
			for (var i=0; i<anchors.length; i++){
				var anchor = anchors[i];
				if (anchor.getAttribute('href') && (anchor.getAttribute('rel') == imageLink.getAttribute('rel'))){
					imageArray.push(new Array(anchor.getAttribute('href'), "<B>" + anchor.getAttribute('title').replace(/ - /g, "<BR>").replace("<BR>", "</B><BR>")));
				}
			}
			imageArray.removeDuplicates();
			while(imageArray[imageNum][0] != imageLink.getAttribute('href')) { imageNum++;}
		}

		// calculate top offset for the lightbox and display 
		var arrayPageScroll = getPageScroll();
		var lightboxTop = arrayPageScroll[1] + (arrayPageSize[3] / 10) - 40;

		Element.setTop('lightbox', lightboxTop);
		Element.show('lightbox');
		
		myLightbox.changeImage(imageNum);
	},

	//
	//	changeImage()
	//	Hide most elements and preload image in preparation for resizing image container.
	//
	changeImage: function(imageNum) {	
	   Element.setInnerHTML( 'caption', "");
		
		activeImage = imageNum;	// update global var

		// hide elements during transition
		if(animate){ Element.show('loading');}
		Element.hide('lightboxImage');
		Element.hide('hoverNav');
		Element.hide('prevLink');
		Element.hide('nextLink');
		//Element.hide('buyLinkContainer');
		//Element.hide('purchaseOverlay');
		//Element.hide('purchaseContainer');
		Element.hide('imageDataContainer');
		Element.hide('numberDisplay');
		
		imgPreloader = new Image();

                //Element.hide('buyLinkContainer');
		
		// once image is preloaded, resize image container
		imgPreloader.onload=function(){
			Element.setSrc('lightboxImage', imageArray[activeImage][0]);
			myLightbox.resizeImageContainer(imgPreloader.width, imgPreloader.height);
		}
		imgPreloader.src = imageArray[activeImage][0];
		
		Element.setSrc('loadingDummy', imageArray[activeImage][0] + "&dummy=true");
                //Element.hide('buyLinkContainer');
	},

	//
	//	resizeImageContainer()
	//
	resizeImageContainer: function( imgWidth, imgHeight) {

		// get curren width and height
		this.widthCurrent = Element.getWidth('outerImageContainer');
		this.heightCurrent = Element.getHeight('outerImageContainer');

		// get new width and height
		var widthNew = (imgWidth  + (borderSize * 2));
		var heightNew = (imgHeight  + (borderSize * 2) + 45 - borderSize);

		// scalars based on change from old to new
		this.xScale = ( widthNew / this.widthCurrent) * 100;
		this.yScale = ( heightNew / this.heightCurrent) * 100;

		// calculate size difference between new and old image, and resize if necessary
		wDiff = this.widthCurrent - widthNew;
		hDiff = this.heightCurrent - heightNew;

		if(!( hDiff == 0)){ new Effect.Scale('outerImageContainer', this.yScale, {scaleX: false, duration: resizeDuration, queue: 'front'}); }
		if(!( wDiff == 0)){ new Effect.Scale('outerImageContainer', this.xScale, {scaleY: false, delay: resizeDuration, duration: resizeDuration}); }

                //Element.hide('buyLinkContainer');

		// if new and old image are same size and no scaling transition is necessary, 
		// do a quick pause to prevent image flicker.
		if((hDiff == 0) && (wDiff == 0)){
			if (navigator.appVersion.indexOf("MSIE")!=-1){ pause(250); } else { pause(100);} 
		}

                //Element.hide('buyLinkContainer');

      Element.setTop('hoverNav', imgHeight + 20);
		//Element.setTop('prevLink', imgHeight);
		//Element.setTop('nextLink', imgHeight);
		Element.setWidth( 'imageDataContainer', widthNew);

		this.showImage();
	},
	
	//
	//	showImage()
	//	Display image and begin preloading neighbors.
	//
	showImage: function(){
		Element.hide('loading');
		new Effect.Appear('lightboxImage', { duration: resizeDuration, queue: 'end', afterFinish: function(){	myLightbox.updateDetails(); } });
		Element.setInnerHTML( 'caption', "");
		this.preloadNeighborImages();
	},

	//
	//	updateDetails()
	//	Display caption, image number, and bottom nav.
	//
	updateDetails: function() {
	   //Element.hide('buyLinkContainer');
	  
		Element.show('caption');
		Element.setInnerHTML( 'caption', imageArray[activeImage][1]);
		
		// if image is part of set display 'Image x of x' 
		if(imageArray.length > 1){
			Element.show('numberDisplay');
			Element.setInnerHTML( 'numberDisplay', "Image " + eval(activeImage + 1) + " of " + imageArray.length);
		}

                //Element.hide('buyLinkContainer');
		
		new Effect.Parallel(
			[ new Effect.SlideDown( 'imageDataContainer', { sync: true, duration: resizeDuration, from: 0.0, to: 1.0 }), 
			  new Effect.Appear('imageDataContainer', { sync: true, duration: resizeDuration }) ], 
			{ duration: resizeDuration, afterFinish: function() {
				// update overlay size and update nav
				var arrayPageSize = getPageSize();
				Element.setHeight('overlay', arrayPageSize[1]);
				myLightbox.updateNav();
				}
			}	
		);

      var printInfoArray = imageArray[activeImage][1].split("<BR>");
      var printName = printInfoArray[0].replace("<B>", "").replace("</B>", "");
	   var dataPfx = printName.replace(/ /g, "_");

      if (document.getElementById(dataPfx + '_available').value != 0) {
         //new Effect.Appear('buyLinkContainer', { duration: 1.0, delay: 1.0 });
      }

      //Element.hide('buyLinkContainer');
      
      document.getElementById('buyLinkContainer').onclick = function() {
         if (enabled) {
			   new Effect.Appear('purchaseOverlay', { duration: 1.0, from: 0.0, to: 0.9 }); 
			   new Effect.Appear('purchaseContainer', { duration: 1.0, from: 0.0, to: 1.0 });
			   myLightbox.updatePurchase();
			   enabled = false;
			   myLightbox.disableKeyboardNav();
			   return false;
			}
			else {
			   return false;
			}      
		}
	},

	//
	//	updateNav()
	//	Display appropriate previous and next hover navigation.
	//
	updateNav: function() {

		Element.show('hoverNav');				

		// if not first image in set, display prev image button
		if(activeImage != 0){
			Element.show('prevLink');
			document.getElementById('prevLink').onclick = function() {
			   if (enabled) {
				   myLightbox.changeImage(activeImage - 1); return false;
				}
   			else {
   			   return false;
   			}     
			}
		}

		// if not last image in set, display next image button
		if(activeImage != (imageArray.length - 1)){
			Element.show('nextLink');
			document.getElementById('nextLink').onclick = function() {
			   if (enabled) {
				   myLightbox.changeImage(activeImage + 1); return false;
				}
   			else {
   			   return false;
   			}     
			}
		}
		
		myLightbox.enableKeyboardNav();
	},
	
	//
	//	pricingOptionHtml()
	//
	pricingOptionHtml: function(printName, size, framed) {
	   var framedText = "unframed";
	   if (framed) {
	      framedText = "framed";
	   }
	   var dataPfx = printName.replace(/ /g, "_");
	   //alert(dataPfx + '_' + size + '_' + framedText);
	   var printPrice = document.getElementById(dataPfx + '_' + size + '_' + framedText).value;

	   if (printPrice > 0) {
	      return "<OPTION VALUE=\""+ size + ":" + printPrice + ":" + document.getElementById(dataPfx + '_' + size + '_' + framedText + '_ship').value + "\">" + size + " ($" + printPrice + ")</OPTION>";
	   }   
	   else {
	      return "";  
	   }      
	},   
	
	//
	//	purchaseHtml()
	//
	purchaseHtml: function(printName, printType, finish, framed, available) {
	   
	   // Framed vs Unframed
	   var framedValue = "Unframed";
	   var formName = "unframedPurchase";
	   if (framed) {
	      framedValue = "Framed";
	      formName = "framedPurchase";
	   }
	   
	   // Pricing options
	   var option8x10 = this.pricingOptionHtml(printName, "8x10", framed);
	   var option11x14 = this.pricingOptionHtml(printName, "11x14", framed);
	   var option16x20 = this.pricingOptionHtml(printName, "16x20", framed);
	   var option20x24 = this.pricingOptionHtml(printName, "20x24", framed);
	   var option24x36 = this.pricingOptionHtml(printName, "24x36", framed);
	   
	   var optionString = option8x10 + option11x14 + option16x20 + option20x24 + option24x36;
	   
	   if (optionString.length < 1) {
	      available = false;  
	   }   

	   if (available) {
	      var shippingOverrideHTML = "";
	      //if (framed) {
	      //   shippingOverrideHTML = "<input type=hidden name=shipping value=0>";
	      //}

   	   // Paper type
   	   var paperTypeSelectHTML;
   	   if (printType == "Giclée") {
   	      paperTypeSelectHTML = "Select paper type: <SELECT NAME=on0 ";
   	      
   	      if (framed) {
   	         paperTypeSelectHTML = paperTypeSelectHTML + "ONKEYUP=\"updateFramedPriceOptions(" + formName + ", false);\" ONCHANGE=\"updateFramedPriceOptions(" + formName + ");\"";
   	      }
   	      paperTypeSelectHTML = paperTypeSelectHTML + "><OPTION VALUE=\"Cotton\">Cotton</OPTION><OPTION VALUE=\"Canvas\">Canvas</OPTION></SELECT>";
   	   }
   	   else {
   	      paperTypeSelectHTML = "<INPUT TYPE=HIDDEN NAME=on0 VALUE=\"" + finish + "-Finish Fiber Paper\">Paper type:&nbsp;&nbsp;<FONT style=\"font-family: sans-serif; font-style: normal; font-variant: normal; font-weight: normal; font-size: small;\">" + finish + "-Finish Fiber</FONT>";
   	   } 

           // Gallery open
           var addToCartButtonHTML = "";
           var quantityHTML = "";
           if (document.getElementById('gallery_open').value > 0) {
               addToCartButtonHTML = "<input type=Image src=\"/images/add_to_cart.gif\" border=0 name=submit alt=\"Add to Cart\" onfocus=\"updatePurchaseOptions(" + formName + "); if(this.blur)this.blur();\">";
               quantityHTML = "Quantity: <INPUT TYPE=text NAME=quantity maxlength=1 size=1 VALUE=1><BR><IMG SRC=\"/images/spacer.gif\" HEIGHT=10>";
               
           }
   	   
   	   return "<FORM NAME=" + formName + " ACTION=\"https://www.paypal.com\" METHOD=post onsubmit=\"updatePurchaseOptions(" + formName + ");\">" + 
                                "<input type=hidden name=cmd value=_cart>" +
                                "<input type=hidden name=business value=\"orders@liquidimagephotography.com\">" +
                                "<input type=hidden name=currency_code value=USD>" +
                                "<input type=hidden name=tax value=0.00>" +
                                "<input type=hidden name=item_name value=\"ERROR! Please try again!\">" +
                                "<input type=hidden name=print_name value=\"'" + printName + "' " + printType + " Limited Edition Fine Art Print\">" +
                                "<input type=hidden name=amount value=0>" +
                                "<input type=hidden name=weight value=1>" +
                                "<input type=hidden name=os0 value=0>" +
                                "<input type=hidden name=framed value=\"" + framedValue + "\">" +
                                shippingOverrideHTML +
                                paperTypeSelectHTML + "<BR>" + 
                                "Select print size: <SELECT NAME=size>" + optionString + "</SELECT><BR>" + 
                                quantityHTML + "<BR>" + 
                                addToCartButtonHTML + 
                                "<input type=hidden name=add value=1>" +
                                "<input type=hidden name=shopping_url value=\"" + window.location + "\">" +
                                "</FORM>";
      }
      else {
         return "This print is currently unavailable " + framedValue.replace("F", "f").replace("U", "u") + ".<BR>Please contact us for more information.";
      }                                   
	},  
	
	//
	//	updatePurchase()
	//
	updatePurchase: function() {
	   var printInfoArray = imageArray[activeImage][1].split("<BR>");
	   var printName = printInfoArray[0].replace("<B>", "").replace("</B>", "");
	   
	   var dataPfx = printName.replace(/ /g, "_");
	   var edition = document.getElementById(dataPfx + '_edition').value;
	   var sold = document.getElementById(dataPfx + '_sold').value;
	   var printType = document.getElementById(dataPfx + '_print_type').value;
	   var finish = document.getElementById(dataPfx + '_finish').value;
	   var available = true;
	   if ((edition - sold) < 1) {
	      available = false;
	   }
	   else if (document.getElementById(dataPfx + '_available').value == 0) {
	      available = false;
	   }   
	   
	   
      Element.setInnerHTML( 'purchaseFramedHeader', "Framed Limited Edition<BR>" + printType + " Fine Art Prints" );
      Element.setInnerHTML( 'purchaseFramedSubheader', "Museum-quality custom wood frame with acid-free matting. Closed edition of " + edition + " signed by the artist.");
      Element.setInnerHTML( 'purchaseFramedText', this.purchaseHtml(printName, printType, finish, true, available));
                             
      Element.setInnerHTML( 'purchaseUnframedHeader', "Limited Edition<BR>" + printType + " Fine Art Prints");
      Element.setInnerHTML( 'purchaseUnframedSubheader', "Closed edition of " + edition + " signed by the artist.");
      Element.setInnerHTML( 'purchaseUnframedText', this.purchaseHtml(printName, printType, finish, false, available));

      // Collect statistics since someone clicked on "Buy a Print"
      document.getElementById('purchaseStatCollector').src = "";
      document.getElementById('purchaseStatCollector').src = "stat_collector?action=buy_a_print%20('" + printName + "')";
      
      if (document.getElementById('gallery_open').value > 0) {
          Element.setInnerHTML( 'purchaseViewCartText', "<FORM NAME=viewCart ACTION=\"https://www.paypal.com\" METHOD=post>" +
                             "<input type=hidden name=cmd value=_cart>" +
                             "<input type=hidden name=business value=\"orders@liquidimagephotography.com\">" +
                             "<input type=Image src=\"/images/view_cart.gif\" border=0 name=submit alt=\"View Cart\" onfocus=\"if(this.blur)this.blur();\">" +
                             "<input type=hidden name=display value=1>" +
                             "</FORM>");
      }
      else {
          var closedDate = document.getElementById('gallery_closed_date').value;
          var closedMsg = document.getElementById('gallery_closed_msg').value;
          Element.setInnerHTML( 'purchaseViewCartText', "<FONT STYLE=\"font: 12px Verdana, Helvetica, sans-serif; color: red; font-weight: bold;\">" + closedDate + "<BR>" + closedMsg + "</FONT>");
      }
      
      Element.setInnerHTML( 'purchaseFooter', "View our for downloadable <A HREF=\"/printpricing.pdf\" TARGET=_info class=textlink>pricing</A> and <A HREF=\"/printinfo.pdf\" TARGET=_info class=textlink>information</A> sheets for additional info<BR>" + 
                             "For more information, please email us by visiting the <A HREF=\"/contact.html\" class=textlink>Contact</A> page<BR><IMG SRC=\"/images/spacer.gif\" HEIGHT=10><BR>" +
                             "<IMG SRC=\"/images/payment_types.gif\">" );

	},

	//
	//	enableKeyboardNav()
	//
	enableKeyboardNav: function() {
		document.onkeydown = myLightbox.keyboardAction; 
	},

	//
	//	disableKeyboardNav()
	//
	disableKeyboardNav: function() {
		document.onkeydown = '';
	},

	//
	//	keyboardAction()
	//
	keyboardAction: function(e) {
		if (e == null) { // ie
			keycode = event.keyCode;
			escapeKey = 27;
		} else { // mozilla
			keycode = e.keyCode;
			escapeKey = e.DOM_VK_ESCAPE;
		}

		key = String.fromCharCode(keycode).toLowerCase();
		
		if((key == 'x') || (key == 'o') || (key == 'c') || (keycode == escapeKey)){	// close lightbox
			myLightbox.end();
		} else if((key == 'p') || (keycode == 37)){	// display previous image
			if(activeImage != 0){
				myLightbox.disableKeyboardNav();
				myLightbox.changeImage(activeImage - 1);
			}
		} else if((key == 'n') || (keycode == 39)){	// display next image
			if(activeImage != (imageArray.length - 1)){
				myLightbox.disableKeyboardNav();
				myLightbox.changeImage(activeImage + 1);
			}
		}

	},

	//
	//	preloadNeighborImages()
	//	Preload previous and next images.
	//
	preloadNeighborImages: function(){

		if((imageArray.length - 1) > activeImage){
			preloadNextImage = new Image();
			//preloadNextImage.src = imageArray[activeImage + 1][0] + "&preload=true";
			preloadNextImage.src = imageArray[activeImage + 1][0];
		}
		if(activeImage > 0){
			preloadPrevImage = new Image();
			//preloadPrevImage.src = imageArray[activeImage - 1][0] + "&preload=true";
			preloadPrevImage.src = imageArray[activeImage - 1][0];
		}
	
   },

   //
	//	endPurchase()
	//
	endPurchase: function() {
		new Effect.Fade('purchaseOverlay', { duration: overlayDuration});
		new Effect.Fade('purchaseContainer', { duration: overlayDuration});
		enabled = true;
		myLightbox.enableKeyboardNav();
		
	},

	//
	//	end()
	//
	end: function() {
	   //Element.hide('buyLinkContainer');
	   Element.setInnerHTML( 'caption', "");
		myLightbox.disableKeyboardNav();
		Element.hide('lightbox');
		enabled = true;
		new Effect.Fade('overlay', { duration: overlayDuration});
		new Effect.Fade('purchaseOverlay', { duration: overlayDuration});
		new Effect.Fade('purchaseContainer', { duration: overlayDuration});
		showSelectBoxes();
		showFlash();
	}
}

// -----------------------------------------------------------------------------------

//
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.org
//
function getPageScroll(){

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}

	arrayPageScroll = new Array('',yScroll) 
	return arrayPageScroll;
}

// -----------------------------------------------------------------------------------

//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.org
// Edit for Firefox by pHaez
//
function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}

	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}

// -----------------------------------------------------------------------------------

//
// getKey(key)
// Gets keycode. If 'x' is pressed then it hides the lightbox.
//
function getKey(e){
	if (e == null) { // ie
		keycode = event.keyCode;
	} else { // mozilla
		keycode = e.which;
	}
	key = String.fromCharCode(keycode).toLowerCase();
	
	if(key == 'x'){
	}
}

// -----------------------------------------------------------------------------------

//
// listenKey()
//
function listenKey () {	document.onkeypress = getKey; }
	
// ---------------------------------------------------

function showSelectBoxes(){
	var selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "visible";
	}
}

// ---------------------------------------------------

function hideSelectBoxes(){
	var selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "hidden";
	}
}

// ---------------------------------------------------

function showFlash(){
	var flashObjects = document.getElementsByTagName("object");
	for (i = 0; i != flashObjects.length; i++) {
		flashObjects[i].style.visibility = "visible";
	}

	var flashEmbeds = document.getElementsByTagName("embeds");
	for (i = 0; i != flashEmbeds.length; i++) {
		flashEmbeds[i].style.visibility = "visible";
	}
}

// ---------------------------------------------------

function hideFlash(){
	var flashObjects = document.getElementsByTagName("object");
	for (i = 0; i != flashObjects.length; i++) {
		flashObjects[i].style.visibility = "hidden";
	}

	var flashEmbeds = document.getElementsByTagName("embeds");
	for (i = 0; i != flashEmbeds.length; i++) {
		flashEmbeds[i].style.visibility = "hidden";
	}

}


// ---------------------------------------------------

//
// pause(numberMillis)
// Pauses code execution for specified time. Uses busy code, not good.
// Help from Ran Bar-On [ran2103@gmail.com]
//

function pause(ms){
	var date = new Date();
	curDate = null;
	do{var curDate = new Date();}
	while( curDate - date < ms);
}
/*
function pause(numberMillis) {
	var curently = new Date().getTime() + sender;
	while (new Date().getTime();	
}
*/
// ---------------------------------------------------



function initLightbox() { myLightbox = new Lightbox(); }
Event.observe(window, 'load', initLightbox, false);

