// -----------------------------------------------------------------------------------
//	FeatureBox by View 2008
//	Based on lightbox v2.03.3 by Lokesh Dhakar - http://www.huddletogether.com
//	Licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/
// -----------------------------------------------------------------------------------
//
//	Configuration
//

var overlayOpacity = 0.3; // 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 init = true;

if (animate == true) {
    overlayDuration = 0; // 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;
    }
});

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

//
//	Extending built-in Array object
//	- array.removeDuplicates()
//	- array.empty()
//


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

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 Swfbox = Class.create();

Swfbox.prototype = {

    // initialize()
    // Constructor runs on completion of the DOM loading. Calls updateSwfList 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() {

        this.updateSwfList();

        // Code inserts html at the bottom of the page that looks similar to this:
        //
        //	<div id="swfOverlay"></div>
        //	<div id="swfbox">
        //		<div id="outerSwfContainer">
        //			<div id="swfContainer">
        //				<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="featureDataContainer">
        //			<div id="featureData">
        //				<div id="imageDetails">
        //					<span id="caption"></span>
        //					<span id="numberDisplay"></span>
        //				</div>
        //				<div id="featureBottomNav">
        //					<a href="#" id="featureBottomNavClose">
        //						<img src="images/close.gif">
        //					</a>
        //				</div>
        //			</div>
        //		</div>
        //	</div>


        //modified by the team in order to solve the conflict with google analytics
        //var objBody = document.getElementsByTagName("body").item(0);
        var objBody = document.getElementById("swfBox_container");

        var objswfOverlay = document.createElement("div");
        objswfOverlay.setAttribute('id', 'swfOverlay');
        objswfOverlay.style.display = 'none';
        objswfOverlay.onclick = function() { mySwfbox.end(); }
        objBody.appendChild(objswfOverlay);

        var objSwfbox = document.createElement("div");
        objSwfbox.setAttribute('id', 'swfbox');
        objSwfbox.style.display = 'none';
        objSwfbox.onclick = function(e) {	// close Swfbox is user clicks shadow overlay
            if (!e) var e = window.event;
            var clickObj = Event.element(e).id;
            if (clickObj == 'swfbox') {
                mySwfbox.end();
            }
        };
        objBody.appendChild(objSwfbox);

        var objouterSwfContainer = document.createElement("div");
        objouterSwfContainer.setAttribute('id', 'outerSwfContainer');
        objSwfbox.appendChild(objouterSwfContainer);

        // When Swfbox 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.


        var objswfContainer = document.createElement("div");
        objswfContainer.setAttribute('id', 'swfContainer');
        objouterSwfContainer.appendChild(objswfContainer);

        //var objSwfboxImage = document.createElement("img");
        //objSwfboxImage.setAttribute('id', 'lightboxImage');
        //objswfContainer.appendChild(objSwfboxImage);

    },


    //
    // updateSwfList()
    // Loops through anchor tags looking for 'lightbox' references and applies onclick
    // events to appropriate links. You can rerun after dynamically adding images w/ajax.
    //
    updateSwfList: 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('swfbox'))) {
                anchor.onclick = function() { mySwfbox.start(this); return false; }
            }
        }

    },


    //
    //	start()
    //	Display overlay and lightbox. If image is part of a set, add siblings to imageArray.
    //
    start: function(imageLink) {

        //hideSelectBoxes();
        hideFlash();

		if (Prototype.Browser.IE)
		{
            $$('select').each(function(node) { node.style.visibility = 'hidden' });

        }

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

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

        imageArray = [];
        imageNum = 0;

        if (!document.getElementsByTagName) { return; }
        var anchors = document.getElementsByTagName(imageLink.tagName);

        // Takes the url from the link 
        //var linkValue = imageLink.getAttribute('href');
        //document.getElementById('printLink').href = linkValue;

        // if image is NOT part of a set..
        if ((imageLink.getAttribute('rel') == 'swfbox')) {
            // add single image to imageArray
            imageArray.push(new Array(imageLink.getAttribute('href'), imageLink.getAttribute('title')));
        } 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'), anchor.getAttribute('title')));
                }
            }
            while (imageArray[imageNum][0] != imageLink.getAttribute('href')) { imageNum++; }
        }

        // calculate top and left offset for the lightbox 
        var arrayPageScroll = getPageScroll();
        var lightboxTop = arrayPageScroll[1] + (arrayPageSize[3] / 10);
        var lightboxLeft = arrayPageScroll[0];


        Element.setTop('swfbox', lightboxTop);
        Element.setLeft('swfbox', lightboxLeft);


        Element.show('swfbox');


        Element.setWidth('outerSwfContainer', 945);
        Element.setHeight('outerSwfContainer', 570);


        mySwfbox.enableKeyboardNav();

        this.changeImage(0);
    },

    //
    //	changeImage()
    //	Hide most elements and preload image in preparation for resizing image container.
    //
    changeImage: function(imageNum) {

        activeImage = imageNum; // update global var
        this.loadInfo(imageArray[0][0]);
    },
    //
    loadInfo: function(url) {

        var myAjax = new Ajax.Request(
			url,
			{ method: 'get', parameters: "", onComplete: this.processInfo.bindAsEventListener(this) }
			);

    },

    // Display Ajax response
    processInfo: function(response) {
        if (init) {
            var div = document.getElementById('swfContainer');
            var str = response.responseText; //.toLowerCase().indexOf('body')
            str = str.replace(/[^~]*(<!-- Start Lightbox Content -->)/, "")
            str = str.replace(/(<!-- End Lightbox Content -->)[^~]*/, "")
            div.innerHTML = str;
            var x = div.getElementsByTagName("script");
			for(var i=0;i<x.length;i++)
			{
                //alert(x[i].text);
                eval(x[i].text);
            }

        }
    },

    //
    //	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
            mySwfbox.end();
        }
    },



    //
    //	end()
    //
    end: function() {
        mySwfbox.disableKeyboardNav();
        Element.hide('swfbox');
        new Effect.Fade('swfOverlay', { duration: overlayDuration });
        //showSelectBoxes();
        showFlash();
		if (Prototype.Browser.IE)
		{
            $$('select').each(function(node) { node.style.visibility = 'visible' });
        }
    }
}

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

//
// 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;
}

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

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

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";
    }
}

// ---------------------------------------------------
var tmpString = "";

function showFlash() {
	
	try{
		//Mac safari doesnt like to chagne the visabliliy of the flahs on the homepage, so we do this
		document.getElementById('banner-home').innerHTML = tmpString;
	}catch(err){}

	var x = document.getElementsByTagName("script");
	for (var i = 0; i < x.length; i++)
	{//Modified by WRaP team
	    if (
	    (x[i].text.indexOf('setGoogleAnalytics', 0) == -1) &&
	    (x[i].text.indexOf('callPageTracker', 0) == -1)
	    )
	      {
	    try {
	        eval(x[i].text);
	        }
	    catch (err) { }
	      }
	}


    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(){

	try{
		//Mac safari doesnt like to chagne the visabliliy of the flash on the homepage, so we do this
		tmpString = document.getElementById('banner-home').innerHTML;
		document.getElementById('banner-home').innerHTML = "";
	}catch(err){}
	


    var flashObjects = document.getElementsByTagName("object");
    for (i = 0; i < flashObjects.length; i++) {
		//flashObjects[i].style.visibility = "hidden";
		flashObjects[i].style.visibility = "hidden";
    }

    var flashEmbeds = document.getElementsByTagName("embed");
    for (i = 0; i < flashEmbeds.length; i++) {
		//flashEmbeds[i].style.visibility = "hidden";
		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 initSwfbox() { mySwfbox = new Swfbox(); }
Event.observe(window, 'load', initSwfbox, false);
//Event.observe(window, 'unload', Event.unloadCache, false);