// -----------------------------------------------------------------------------------
//
//	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 overlayOpacity = 0.4;	// 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 promptBorderSize = 3;		//if you adjust the padding in the CSS, you will need to update this variable

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

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

if(animate == true){
	overlayDuration = 0.2;	// shadow fade in/out duration
	formOverlayDuration = 0.05;	// shadow fade in/out duration
	buttonDuration = 0.3;	// button fade in duration
	if(resizeSpeed > 10){ resizeSpeed = 10;}
	if(resizeSpeed < 1){ resizeSpeed = 1;}
	resizeDuration = (11 - resizeSpeed) * 0.15;
} else { 
	overlayDuration = 0;
	buttonDuration = 0;
	resizeDuration = 0;
}

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

//
//	Additional methods for Element added by SU, Couloir
//	- further additions by Lokesh Dhakar (huddletogether.com)
//
Object.extend(Element, {
	getInnerHTML: function(element,content) {
		element = $(element);
		return element.innerHTML;
	},
	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;
	}
});

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

//
//	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 CustomPrompt = Class.create();

CustomPrompt.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="promptOverlay"></div>
		//	<div id="customprompt">
		//		<div id="promptContainer">
		//			<div id="promptOuterMessageContainer">
		//				<div id="promptTitleContainer">
		// 				<span id="promptTitle"></span>
		//				</div>
		//				<div id="promptMessageContainer">
		// 				<span id="promptMessage"></span>
		//				</div>
		//				<div id="promptButtonContainer">
		// 				<div id="promptButton"></div>
		//				</div>
		//			</div>
		//		</div>
		//	</div>

		var objBody = document.getElementsByTagName("body").item(0);
		
		var objLoadingArea = document.createElement("div");
		objLoadingArea.setAttribute('id','loadingarea');
		objBody.appendChild(objLoadingArea);

		var objOverlay = document.createElement("div");
		objOverlay.setAttribute('id','promptOverlay');
		objOverlay.style.display = 'none';
		//objOverlay.onclick = function() { myCustomPrompt.end(); }
		objBody.appendChild(objOverlay);
		
		var objCustomPrompt = document.createElement("div");
		objCustomPrompt.setAttribute('id','customprompt');
		objCustomPrompt.style.display = 'none';
		
		/*
		objCustomPrompt.onclick = function(e) {	// close Lightbox if user clicks shadow overlay
			if (!e) var e = window.event;
			var clickObj = Event.element(e).id;
			if ( clickObj == 'customprompt') {
				myCustomPrompt.end();
			}
		};
		//*/
		
		objBody.appendChild(objCustomPrompt);

		var objContainer = document.createElement("div");
		objContainer.setAttribute('id','promptContainer');
		objCustomPrompt.appendChild(objContainer);

		var objOuterMessageContainer = document.createElement("div");
		objOuterMessageContainer.setAttribute('id','promptOuterMessageContainer');
		objContainer.appendChild(objOuterMessageContainer);

		Element.setWidth('promptContainer', 1);
		Element.setHeight('promptContainer', 40);			

		var objPromptTitleContainer = document.createElement("div");
		objPromptTitleContainer.setAttribute('id','promptTitleContainer');
		objOuterMessageContainer.appendChild(objPromptTitleContainer);

		var objPromptTitle = document.createElement("span");
		objPromptTitle.setAttribute('id','promptTitle');
		objPromptTitleContainer.appendChild(objPromptTitle);

		var objPromptMessageContainer = document.createElement("div");
		objPromptMessageContainer.setAttribute('id','promptMessageContainer');
		objOuterMessageContainer.appendChild(objPromptMessageContainer);
		
		var objPromptMessage = document.createElement("span");
		objPromptMessage.setAttribute('id','promptMessage');
		objPromptMessageContainer.appendChild(objPromptMessage);

		var objPromptButtonContainer = document.createElement("div");
		objPromptButtonContainer.setAttribute('id','promptButtonContainer');
		objOuterMessageContainer.appendChild(objPromptButtonContainer);
		
		var objPromptButton = document.createElement("div");
		objPromptButton.setAttribute('id','promptButton');
		objPromptButtonContainer.appendChild(objPromptButton);
	},

    
   // addOverlay()
	// Display overlay
	//
	
	formLoading: function()
	{
		hideSelectBoxes();
		hideFlash();

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

		new Effect.Appear('promptOverlay', { duration: formOverlayDuration, from: 0.0, to: overlayOpacity });
	
		this.showMessage("Sending Data","<div style='text-align: center;'>Please wait while the form is being posted<br /><br /><img src='/images/lightbox/loading.gif' /></div>");
		
		// calculate top and left offset for the lightbox 
		var arrayPageScroll = getPageScroll();
		var lightboxTop = arrayPageScroll[1] + (arrayPageSize[3] / 10);
		var lightboxLeft = arrayPageScroll[0];
		Element.setTop('customprompt', lightboxTop);
		Element.setLeft('customprompt', lightboxLeft);
	},
	
	
	promptHTML: function(w,h,title,html,buttons)
	{
		hideSelectBoxes();
		//hideFlash();

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

		Element.setInnerHTML( 'promptTitle', '&nbsp;' );
		Element.setInnerHTML( 'promptMessage', '&nbsp;' );

		_this = this;
		new Effect.Appear('promptOverlay', { duration: overlayDuration, from: 0.0, to: overlayOpacity, afterFinish: function() { Element.show('customprompt'); _this.resizeMessageContainer(w, h, title,html,buttons); } });
	
		// calculate top and left offset for the lightbox 
		var arrayPageScroll = getPageScroll();
		var lightboxTop = arrayPageScroll[1] + (arrayPageSize[3] / 8);
		var lightboxLeft = arrayPageScroll[0];
		Element.setTop('customprompt', lightboxTop);
		Element.setLeft('customprompt', lightboxLeft);
	},
	
	showMessage: function(title, message, buttons)
	{
		var objBody = document.getElementsByTagName("body").item(0);
		
		var tempInnerHTML = Element.getInnerHTML('promptContainer');
		Element.setInnerHTML('promptContainer', '' );

		Element.setInnerHTML( 'loadingarea', tempInnerHTML );
		Element.setInnerHTML( 'promptMessage', message );
		Element.setInnerHTML( 'promptTitle', title );
		
		var height = Element.getHeight('loadingarea');
		var width = Element.getWidth('loadingarea');
		
		Element.setInnerHTML( 'loadingarea', '' );

		Element.setInnerHTML('promptContainer', tempInnerHTML );
		Element.setInnerHTML( 'promptTitle', title );
		Element.setInnerHTML( 'promptMessage', message );

		Element.show('customprompt');

		Element.setWidth('promptContainer', width);
		Element.setHeight('promptContainer', height);			
	},
	
	//
	//	start()
	//	Display overlay and prompt.
	//
	start: function(title,message,buttons) {	

		hideSelectBoxes();
		hideFlash();

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

		_this = this;
		new Effect.Appear('promptOverlay', { duration: overlayDuration, from: 0.0, to: overlayOpacity, afterFinish: function() { _this.changeMessage(title,message,buttons); } });

		// calculate top and left offset for the lightbox 
		var arrayPageScroll = getPageScroll();
		var lightboxTop = arrayPageScroll[1] + (arrayPageSize[3] / 20);
		var lightboxLeft = arrayPageScroll[0];
		Element.setTop('customprompt', lightboxTop);
		Element.setLeft('customprompt', lightboxLeft);
		
	},
	
	//
	//	changeImage()
	//	Hide most elements and preload image in preparation for resizing image container.
	//
	changeMessage: function(title,message,buttons) {	
		
		var objBody = document.getElementsByTagName("body").item(0);
		
		var tempInnerHTML = Element.getInnerHTML('promptContainer');
		Element.setInnerHTML('promptContainer', '' );

		Element.setInnerHTML('loadingarea', tempInnerHTML );
		Element.setInnerHTML( 'promptMessage', message );
		Element.setInnerHTML( 'promptTitle', title );
		
		var objButtonHolder = document.createElement("tableHolder");
		var objButtonHolderTable = document.createElement("table");
		objButtonHolderTable.setAttribute("cellspacing", 0 );
		objButtonHolderTable.setAttribute("cellpadding", 0 );
		objButtonHolderTable.setAttribute("border", 0 );
		objButtonHolderTable.setAttribute("id", "promptButtonTable" );
		var objButtonHolderTableRow = document.createElement("tr");
		
		if ( buttons )
		{
			for ( var i = 0; i < buttons.length; i++ )
			{
				var objButtonHolderTableCell = document.createElement("td");
				var objButton = document.createElement("a");
				objButton.className = "promptButton";
				objButton.innerHTML = "<nobr>" + buttons[i].label + "</nobr>";
				objButtonHolderTableCell.appendChild(objButton);
				objButtonHolderTableRow.appendChild(objButtonHolderTableCell);
			}
		}

		objButtonHolderTable.appendChild(objButtonHolderTableRow);
		objButtonHolder.appendChild(objButtonHolderTable);

		Element.setInnerHTML('promptButton', objButtonHolder.innerHTML );
		
		var height = Element.getHeight('loadingarea');
		var width = Element.getWidth('loadingarea');
		
		Element.setInnerHTML( 'loadingarea', '' );

		Element.setInnerHTML('promptContainer', tempInnerHTML );
		Element.setInnerHTML( 'promptTitle', '&nbsp;' );
		Element.setInnerHTML( 'promptMessage', '&nbsp;' );

		Element.show('customprompt');
		
		this.resizeMessageContainer(width,height,title,message,buttons);
	},

	//
	//	resizeImageContainer()
	//
	resizeMessageContainer: function( messageWidth, messageHeight,title,message,buttons) {
		
		_this = this;

		Element.setWidth('promptContainer', 1);
		Element.setHeight('promptContainer', 40);			

		// get curren width and height
		this.widthCurrent = Element.getWidth('promptContainer');
		this.heightCurrent = Element.getHeight('promptContainer');

		// get new width and height
		var widthNew = (messageWidth  + (promptBorderSize * 2));
		var heightNew = (messageHeight  + (promptBorderSize * 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('promptContainer', this.yScale, {scaleX: false, duration: resizeDuration, scaleContent: false, queue: 'front'}); }
		if(!( wDiff == 0)){ new Effect.Scale('promptContainer', this.xScale, {scaleY: false, duration: resizeDuration, scaleContent: false, afterFinish: function() { _this.finishMessageContainer(title,message,buttons) } }); }

		// 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);} 
		}
	},
	
	finishMessageContainer: function( title, message, buttons ) {

		Element.setInnerHTML( 'promptTitle', title ); 
		Element.setInnerHTML( 'promptMessage', message );
		
		var objButtonHolder = document.createElement("tableHolder");
		var objButtonHolderTable = document.createElement("table");
		objButtonHolderTable.setAttribute("cellspacing", 0 );
		objButtonHolderTable.setAttribute("cellpadding", 0 );
		objButtonHolderTable.setAttribute("border", 0 );
		objButtonHolderTable.setAttribute("id", "promptButtonTable" );
		var objButtonHolderTableRow = document.createElement("tr");
		
		var i = 0;
		
		if ( buttons )
		{
			for ( i = 0; i < buttons.length; i++ )
			{
				var objButtonHolderTableCell = document.createElement("td");
	
				var objButton = document.createElement("a");
				objButton.className = "promptButton";
				objButton.innerHTML = "<nobr>" + buttons[i].label + "</nobr>";
				objButton.setAttribute('href','javascript: void(0)');
				objButton.setAttribute('id','promptButton' + i);
				objButton.style.display = 'none';
				objButtonHolderTableCell.appendChild(objButton);
				objButtonHolderTableRow.appendChild(objButtonHolderTableCell);
			}
		}
		
		objButtonHolderTable.appendChild(objButtonHolderTableRow);
		objButtonHolder.appendChild(objButtonHolderTable);
		
		Element.setInnerHTML('promptButton', objButtonHolder.innerHTML );
		
		for ( var j = 0; j < i; j++ )
		{
			$('promptButton'+j).onclick = buttons[j].callback;
			new Effect.Appear('promptButton' + j, { delay: (buttons.length - j - 1 )*buttonDuration, duration: buttonDuration });
		}
		
	},
	
	
	//
	//	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
			myCustomPrompt.end();
		}

	},

	//
	//	end()
	//
	end: function() {
		this.disableKeyboardNav();
		Element.hide('customprompt');
		Element.setInnerHTML('promptButton', '' );
		new Effect.Fade('promptOverlay', { duration: overlayDuration});
		showSelectBoxes();
		showFlash();
		$('promptMessage').innerHTML = '&nbsp;';
	}
}

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

//
// 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 pause(numberMillis) {
	var curently = new Date().getTime() + sender;
	while (new Date().getTime();	
}
*/
// ---------------------------------------------------

function customPrompt(title,message,buttons)
{
	if ( myCustomPromptInit )
	{
		myCustomPrompt.start(title,message,buttons);
		return true;
	}
	
	return false;
}

var myCustomPromptInit = false;

function initCustomPrompt() { myCustomPrompt = new CustomPrompt; myCustomPromptInit = true; }
function closeCustomPrompt(){ myCustomPrompt.end() };

Event.observe(window, 'load', initCustomPrompt, false);