// -----------------------------------------------------------------------------------
//
//	Lightbox v2.03.3
//	by Lokesh Dhakar - http://www.huddletogether.com
//	5/21/06
//
//	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.com), 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()
	- updateImageList()
	- 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 fileBottomNavCloseImage = "/images/lightbox/close.gif";

var overlayOpacity = 0.8;	// controls transparency of shadow overlay

var animate = true;			// toggles resizing animations
var resizeSpeed = 7;		// controls the speed of the image resizing animations (1=slowest and 10=fastest)

var borderSize = 10;		//if you adjust the padding in the CSS, you will need to update this variable

// -----------------------------------------------------------------------------------

//
//	Global Variables
//
var imageArray = new Array;
var activeImage;
var oGlobalObject;

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";
	},
	setLeft: function(element,l) {
	   	element = $(element);
    	element.style.left = l +"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;
	},
	getInnerHTML: function(element) {
		element = $(element);
		return element.innerHTML;
	}
});

// -----------------------------------------------------------------------------------

//
//	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/)
//


/* Ajax */

	var bMapLoaded = false;
	var bMapFirstload = true;

    var ajax = false;
    
    function AjaxInit() {
    
        ajax = false;
        
        if (window.XMLHttpRequest) {
            ajax = new XMLHttpRequest();
        } else {
            if (window.ActiveXObject) {
                try {
                    ajax = new ActiveXObject('Msxml2.XMLHTTP');
                } catch (e) {
                    try {
                        ajax = new ActiveXObject('Microsoft.XMLHTTP');
                    } catch (e) {}
                }
            }
        }
        
        if (!ajax) {
            alert('No Ajax Browser');
            return null;
        }
    }

	//Send With Callback
	
    function AjaxRequest(url) {
		if (bMapFirstload) {
	        AjaxInit();
	        ajax.onreadystatechange = WriteData;
	        ajax.open('GET', url, true);
	        ajax.send(null);
		}
    }    
    
	// Callback Function
	
    function WriteData () {
        if ((ajax.readyState == 4) && (ajax.status == 200)) {
            if(ajax.responseText != '') {
                var aIDs = ajax.responseText.split(';');
				
				for(i = 0; i < aIDs.length-1; i++) {
					oGlobalObject.addId(parseInt(aIDs[i]));
				}
				
				if (bMapLoaded) {
					oGlobalObject.reloadMap();
				}
				
				bMapFirstload = false;
            }
        }
    }
	
	
	
var bMapInit = true;

var htmlLightbox = Class.create();

htmlLightbox.prototype = {

	// initialize()
	// Constructor runs on completion of the DOM loading. Calls updateImageList and then
	// the function inserts html at the bottom of the page which is used to display the shadow 
	// overlay and the image container.
	//
	initialize: function() {	
		
		
		// Code inserts html at the bottom of the page that looks similar to this:
		//
		//	<div id="htmloverlay"></div>
		//	<div id="htmllightbox">
		//		<div id="htmlouterImageContainer">
		//			<div id="htmlimageContainer">
		//				<div id="htmllightboxDiv"></div>
		//				<div id="htmllightboxFlash"></div>
		//				<a href="#" id="htmlbottomNavClose">
		//					<img src="/images/lightbox/close.gif">
		//				</a>
		//			</div>
		//		</div>
		//	</div>


		var objBody = document.getElementsByTagName("body").item(0);
		
		var objOverlay = document.createElement("div");
		objOverlay.setAttribute('id','htmloverlay');
		objOverlay.style.display = 'none';
		objOverlay.onclick = function() { myhtmlLightbox.end(); }
		objBody.appendChild(objOverlay);
		
		var objLightbox = document.createElement("div");
		objLightbox.setAttribute('id','htmllightbox');
		objLightbox.style.display = 'none';
		objLightbox.onclick = function(e) {	// close Lightbox is user clicks shadow overlay
			if (!e) var e = window.event;
			var clickObj = Event.element(e).id;
			if ( clickObj == 'htmllightbox') {
				myhtmlLightbox.end();
			}
		};
		objBody.appendChild(objLightbox);
			
		var objOuterImageContainer = document.createElement("div");
		objOuterImageContainer.setAttribute('id','htmlouterImageContainer');
		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('htmlouterImageContainer', 250);
			Element.setHeight('htmlouterImageContainer', 250);			
		} else {
			Element.setWidth('htmlouterImageContainer', 1);
			Element.setHeight('htmlouterImageContainer', 1);			
		}

		var objImageContainer = document.createElement("div");
		objImageContainer.setAttribute('id','htmlimageContainer');
		objOuterImageContainer.appendChild(objImageContainer);
	
		var objLightboxImage = document.createElement("div");
		objLightboxImage.setAttribute('id','htmllightboxDiv');
		objImageContainer.appendChild(objLightboxImage);
	
		var objLightboxFlash = document.createElement("div");
		objLightboxFlash.setAttribute('id','htmllightboxFlash');
		objImageContainer.appendChild(objLightboxFlash);
	
		var objBottomNavCloseLink = document.createElement("a");
		objBottomNavCloseLink.setAttribute('id','htmlbottomNavClose');
		objBottomNavCloseLink.setAttribute('href','#');
		objBottomNavCloseLink.onclick = function() { myhtmlLightbox.end(); return false; }
		objOuterImageContainer.appendChild(objBottomNavCloseLink);
	
		var objBottomNavCloseImage = document.createElement("img");
		objBottomNavCloseImage.setAttribute('src', fileBottomNavCloseImage);
		objBottomNavCloseLink.appendChild(objBottomNavCloseImage);
	},
	
	
	//
	//	start()
	//	Display overlay and lightbox. If image is part of a set, add siblings to imageArray.
	//
	start: function(imageLink, oObject, fixWidth, fixHeight, flashHeight, bFlash, lProductID) {	

		hideSelectBoxes();
		hideFlash();
		
		ChangeMapObject(oObject);
		
		oGlobalObject = oObject;
		
		var effektiveHeight;
		var effektiveWidth;

		// stretch overlay to fill page and fade in
		var arrayPageSize = getPageSize();
		Element.setWidth('htmloverlay', arrayPageSize[0]);
		Element.setHeight('htmloverlay', arrayPageSize[1]);

		new Effect.Appear('htmloverlay', { duration: overlayDuration, from: 0.0, to: overlayOpacity });


		// calculate top and left offset for the lightbox 
		var arrayPageScroll = getPageScroll();
		var lightboxTop = arrayPageScroll[1] + (arrayPageSize[3] / 10);
		var lightboxLeft = arrayPageScroll[0];
		Element.setTop('htmllightbox', lightboxTop);
		Element.setLeft('htmllightbox', lightboxLeft);
		
		Element.show('htmllightbox');
		
		var windowX, windowY;
		
		if (window.innerHeight) {	
			windowX = window.innerWidth;
			windowY = window.innerHeight;
		} else {
			windowX = document.body.offsetWidth;
			windowY = document.body.offsetHeight;
		}
		
		if (fixWidth != '' && fixWidth != undefined) {
			effektiveWidth = fixWidth;
		} else {
			effektiveWidth = (windowX / 100) * 80;
		}
		
		if (fixHeight != '' && fixHeight != undefined) {
			effektiveHeight = fixHeight;
		} else {
			effektiveHeight = (windowY / 100) * 80;
		}
		
		if (flashHeight == '' || flashHeight == undefined) {
			flashHeight = 0;
		}
		
		this.resizeImageContainer(parseInt(effektiveWidth), parseInt(effektiveHeight), parseInt(flashHeight), bFlash, lProductID);
		
		myhtmlLightbox.enableKeyboardNav();
		
	},


	//
	//	resizeImageContainer()
	//
	resizeImageContainer: function( imgWidth, imgHeight, flashHeight, bFlash, lProductID) {

		var flashAbstand = 0;
	
		// get curren width and height
		this.widthCurrent = Element.getWidth('htmlouterImageContainer');
		this.heightCurrent = Element.getHeight('htmlouterImageContainer');

		// get new width and height
		var widthNew = (imgWidth + (borderSize * 2));
		var heightNew = (imgHeight + (borderSize * 2));

		// 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('htmlouterImageContainer', this.yScale, {scaleX: false, duration: resizeDuration, queue: 'front'}); }
		if(!( wDiff == 0)){ new Effect.Scale('htmlouterImageContainer', this.xScale, {scaleY: false, delay: resizeDuration, duration: resizeDuration}); }

		// 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);} 
		// }
		
		if(bFlash && (flashHeight == '' || flashHeight == undefined)) {
			flashHeight = (imgHeight / 100) * 20;
		}
		
		if(bFlash) {
			flashAbstand = 10;
		}
		
		Element.setWidth('htmllightboxDiv', imgWidth);
		Element.setHeight('htmllightboxDiv', imgHeight - (flashHeight + flashAbstand));
		
		new Effect.Appear('htmllightboxDiv', { duration: resizeDuration, queue: 'end', afterFinish: function(){ oGlobalObject.initMap(); oGlobalObject.loadMap(); }});
		
		if(bFlash) {
			new Effect.Appear('htmllightboxDiv', { duration: resizeDuration, queue: 'end', afterFinish: function(){ CreateFlashOnId('/default/flash/new_open-flash-chart.swf', 'htmllightboxFlash', imgWidth, flashHeight, 'opaque', '#FFFFFF', 'data=/shared/chart/chartdata.asp?lProductID=' + lProductID); }});
		}
	},

	
	//
	//	enableKeyboardNav()
	//
	enableKeyboardNav: function() {
		document.onkeydown = this.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
			myhtmlLightbox.end();
		}

	},


	//
	//	end()
	//
	end: function() {
		this.disableKeyboardNav();
		Element.hide('htmllightbox');
		new Effect.Fade('htmloverlay', { duration: overlayDuration});
		showSelectBoxes();
		showFlash();
		oGlobalObject.unloadMap();
		ChangeMapObject(gm);
		delFlashOnClose();
	}
}

// -----------------------------------------------------------------------------------

//
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.com
//
function getPageScroll(){

	var xScroll, yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
		xScroll = self.pageXOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
		xScroll = document.documentElement.scrollLeft;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
		xScroll = document.body.scrollLeft;	
	}

	arrayPageScroll = new Array(xScroll,yScroll) 
	return arrayPageScroll;
}

// -----------------------------------------------------------------------------------

//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.com
// Edit for Firefox by pHaez
//
function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = window.innerWidth + window.scrollMaxX;
		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;
	
//	console.log(self.innerWidth);
//	console.log(document.documentElement.clientWidth);

	if (self.innerHeight) {	// all except Explorer
		if(document.documentElement.clientWidth){
			windowWidth = document.documentElement.clientWidth; 
		} else {
			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;
	}

//	console.log("xScroll " + xScroll)
//	console.log("windowWidth " + windowWidth)

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = xScroll;		
	} else {
		pageWidth = windowWidth;
	}
//	console.log("pageWidth " + pageWidth)

	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("embed");
	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("embed");
	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 inithtmlLightbox() { 
	myhtmlLightbox = new htmlLightbox();
}


// Event.observe(window, 'load', initLightbox, false);