/*
 * Thickbox 3.1 - One Box To Rule Them All.
 * By Cody Lindley (http://www.codylindley.com)
 * Copyright (c) 2007 cody lindley
 * Licensed under the MIT License: http://www.opensource.org/licenses/mit-license.php
 */
var tb_pathToImage = "images/loadingAnimation.gif";
/*!!!!!!!!!!!!!!!!! edit below this line at your own risk !!!!!!!!!!!!!!!!!!!!!!!*/

//on page load call tb_init
$(document).ready(function(){
    tb_init('a.thickbox, area.thickbox, input.thickbox');//pass where to apply thickbox
    imgLoader = new Image();// preload image
    imgLoader.src = tb_pathToImage;
});

//add thickbox to href &amp; area elements that have a class of .thickbox
function tb_init(domChunk){
    $(domChunk).click(function(){
        var t = this.title || this.name || null;
        var a = this.href || this.alt;
        var g = this.rel || false;
        tb_show(t, a, g);
        this.blur();
        return false;
    });
}

function tb_show(caption, url, imageGroup){//function called when the user clicks on a thickbox link
    try {
        if (typeof document.body.style.maxHeight === "undefined") {//if IE 6
            $("body", "html").css({
                height: "100%",
                width: "100%"
            });
            $("html").css("overflow", "hidden");
            if (document.getElementById("TB_HideSelect") === null) {//iframe to hide select elements in ie6
                $("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
                $("#TB_overlay").click(tb_remove);
            }
        }
        else {//all others
            if (document.getElementById("TB_overlay") === null) {
                $("body").append("<div id='TB_overlay'></div><div id='TB_window'></div>");
                $("#TB_overlay").click(tb_remove);
            }
        }
        
        if (tb_detectMacXFF()) {
            $("#TB_overlay").addClass("TB_overlayMacFFBGHack");//use png overlay so hide flash
        }
        else {
            $("#TB_overlay").addClass("TB_overlayBG");//use background and opacity
        }
        
        if (caption === null) {
            caption = "";
        }
        $("body").append("<div id='TB_load'><img src='" + imgLoader.src + "' /></div>");//add loader to the page
        $('#TB_load').fadeIn();//show loader
        var baseURL;
        if (url.indexOf("?") !== -1) { //ff there is a query string involved
            baseURL = url.substr(0, url.indexOf("?"));
        }
        else {
            baseURL = url;
        }
        
        var urlString = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;
        var urlType = baseURL.toLowerCase().match(urlString);
        var TB_Next = false;
        var TB_Previous = false;
        var captionBottom = "";
        	
        
        if (urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp') {//code to show images
            if (imageGroup) {
                TB_ImageArray = $("a[rel=" + imageGroup + "]").get();
                for (TB_Counter = 0; TB_Counter < TB_ImageArray.length; TB_Counter++) {
                    var urlTypeTemp = TB_ImageArray[TB_Counter].href.toLowerCase().match(urlString);
                    if ((TB_ImageArray[TB_Counter].href == url)) {
                        currentCounter = TB_Counter;
                        break;
                    }
                }
            }
            TB_navigation = "<span id='TB_prev'>&nbsp;&nbsp;&lt; Prev&nbsp;&nbsp;</span><span id='imagesOf'>" + (currentCounter + 1) + " of " + TB_ImageArray.length + "</span><span id='TB_next'>&nbsp;&nbsp;Next &gt;</span>";
            imgPreloader = new Image();
            imgPreloader.onload = function(){
                imgPreloader.onload = null;
                
                // Resizing large images - orginal by Christian Montoya edited by me.
                var pagesize = tb_getPageSize();
                var x = 760;
                var y = 595;
                var imageWidth = imgPreloader.width;
                var imageHeight = imgPreloader.height;
                if (imageWidth > x) {
                    imageHeight = imageHeight * (x / imageWidth);
                    imageWidth = x;
                    if (imageHeight > y) {
                        imageWidth = imageWidth * (y / imageHeight);
                        imageHeight = y;
                    }
                }
                else 
                    if (imageHeight > y) {
                        imageWidth = imageWidth * (y / imageHeight);
                        imageHeight = y;
                        if (imageWidth > x) {
                            imageHeight = imageHeight * (x / imageWidth);
                            imageWidth = x;
                        }
                    }
                
                TB_WIDTH = 896;
                caption = ImageNames[currentCounter];
				if (ImageDetails.length > 0) {
					captionBottom = ImageDetails[currentCounter];
				} 
              	$("#TB_window").append("<div id='TB_imageTop'><table class='TB_captionTable'><tr><td id='TB_captionLeft'>" + $("#galleryName").html() + "</td><td id='TB_captionMiddle'>" + TB_navigation + "</td><td onclick='next();' id='TB_captionRight'>" + caption + "</td></tr></table></div><div id='TB_imageContainer'><table id='TB_imageTable'><tr><td class='spacer'></td><td class='TB_imageCell'><a href='#' id='' title='Close'><img id='TB_Image' alt='Close' src='" + url + "' /></a></td><td class='spacer'></td></tr></table></div><div id='TB_caption'><table class='TB_captionTable'><tr><td id='TB_captionBotLeft'>" + captionBottom + "</td><td id='TB_captionBotRight'><a href='#' id='TB_closeWindowButton'>close</a> or Esc Key</td></tr></table></div>");
				$("#TB_closeWindowButton").click(tb_remove);
                $("#TB_imageContainer").click(tb_remove);
                $("#TB_next").click(tb_next);
                $("#TB_prev").click(tb_prev);
                
                document.onkeydown = function(e){
                    if (e == null) { // ie
                        keycode = event.keyCode;
                    }
                    else { // mozilla
                        keycode = e.which;
                    }
                    if (keycode == 27) { // close
                        tb_remove();
                    }
                    else 
                        if (keycode == 39) { // display previous image
                            tb_next();
                        }
                        else 
                            if (keycode == 37) { // display next image
                                tb_prev();
                            }
                };
                
                tb_position();
                $("#TB_load").remove();
                $("#TB_ImageOff").click(tb_remove);
                $("#TB_window").fadeIn(200);
                $("#TB_imageTable").delay(500).fadeIn(500);
                if (jQuery.browser.msie && (jQuery.browser.version == "6.0")) {
                    var t = setTimeout("$('#imageHide').fadeIn(300);", 300);
                }
            };
            
            imgPreloader.src = url;
        }
        else {//code to show html
            var queryString = url.replace(/^[^\?]+\??/, '');
            var params = tb_parseQuery(queryString);
            
            TB_WIDTH = (params['width'] * 1) + 30 || 630; //defaults to 630 if no paramaters were added to URL
            TB_HEIGHT = (params['height'] * 1) + 40 || 440; //defaults to 440 if no paramaters were added to URL
            ajaxContentW = TB_WIDTH - 30;
            ajaxContentH = TB_HEIGHT - 45;
            
            if (url.indexOf('TB_iframe') != -1) {// either iframe or ajax window		
                urlNoQuery = url.split('TB_');
                $("#TB_iframeContent").remove();
                if (params['modal'] != "true") {//iframe no modal
                    $("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>" + caption + "</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton' title='Close'>close</a> or Esc Key</div></div><iframe frameborder='0' hspace='0' src='" + urlNoQuery[0] + "' id='TB_iframeContent' name='TB_iframeContent" + Math.round(Math.random() * 1000) + "' onload='tb_showIframe()' style='width:" + (ajaxContentW + 29) + "px;height:" + (ajaxContentH + 17) + "px;' > </iframe>");
                }
                else {//iframe modal
                    $("#TB_overlay").unbind();
                    $("#TB_window").append("<iframe frameborder='0' hspace='0' src='" + urlNoQuery[0] + "' id='TB_iframeContent' name='TB_iframeContent" + Math.round(Math.random() * 1000) + "' onload='tb_showIframe()' style='width:" + (ajaxContentW + 29) + "px;height:" + (ajaxContentH + 17) + "px;'> </iframe>");
                }
            }
            else {// not an iframe, ajax
                if ($("#TB_window").css("display") != "block") {
                    if (params['modal'] != "true") {//ajax no modal
                        $("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>" + caption + "</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>close</a> or Esc Key</div></div><div id='TB_ajaxContent' style='width:" + ajaxContentW + "px;height:" + ajaxContentH + "px'></div>");
                    }
                    else {//ajax modal
                        $("#TB_overlay").unbind();
                        $("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:" + ajaxContentW + "px;height:" + ajaxContentH + "px;'></div>");
                    }
                }
                else {//this means the window is already up, we are just loading new content via ajax
                    $("#TB_ajaxContent")[0].style.width = ajaxContentW + "px";
                    $("#TB_ajaxContent")[0].style.height = ajaxContentH + "px";
                    $("#TB_ajaxContent")[0].scrollTop = 0;
                    $("#TB_ajaxWindowTitle").html(caption);
                }
            }
            
            $("#TB_closeWindowButton").click(tb_remove);
            
            if (url.indexOf('TB_inline') != -1) {
                $("#TB_ajaxContent").append($('#' + params['inlineId']).children());
                $("#TB_window").unload(function(){
                    $('#' + params['inlineId']).append($("#TB_ajaxContent").children()); // move elements back when you're finished
                });
                tb_position();
                $("#TB_load").remove();
                $("#TB_window").css({
                    display: "block"
                });
            }
            else 
                if (url.indexOf('TB_iframe') != -1) {
                    tb_position();
                    if ($.browser.safari) {//safari needs help because it will not fire iframe onload
                        $("#TB_load").remove();
                        $("#TB_window").css({
                            display: "block"
                        });
                    }
                }
                else {
                    $("#TB_ajaxContent").load(url += "&random=" + (new Date().getTime()), function(){//to do a post change this load method
                        tb_position();
                        $("#TB_load").remove();
                        tb_init("#TB_ajaxContent a.thickbox");
                        $("#TB_window").css({
                            display: "block"
                        });
                    });
                }
            
        }
        
        if (!params['modal']) {
            document.onkeyup = function(e){
                if (e == null) { // ie
                    keycode = event.keyCode;
                }
                else { // mozilla
                    keycode = e.which;
                }
                if (keycode == 27) { // close
                    tb_remove();
                }
            };
        }
        
    } 
    catch (e) {
        //nothing here
    }
}

//helper functions below
function tb_showIframe(){
    $("#TB_load").remove();
    $("#TB_window").css({
        display: "block"
    });
}

function tb_remove(){
    $("#TB_imageOff").unbind("click");
    $("#TB_closeWindowButton").unbind("click");
    $("#TB_window").fadeOut(400, function(){
        $('#TB_window,#TB_overlay,#TB_HideSelect').trigger("unload").unbind().remove();
    });
    
    $("#TB_load").remove();
    if (typeof document.body.style.maxHeight == "undefined") {//if IE 6
        $("body", "html").css({
            height: "auto",
            width: "auto"
        });
        $("html").css("overflow", "");
    }
    
    document.onkeydown = "";
    document.onkeyup = "";
    return false;
}

function tb_position(){
    $("#TB_window").css({
        marginLeft: '-' + ((parseInt((TB_WIDTH / 2), 10) + 2)) + 'px',
        width: TB_WIDTH + 'px'
    });
    if (!(jQuery.browser.msie && jQuery.browser.version < 7)) { // take away IE6
        //$("#TB_window").css({marginTop: '-' + parseInt((TB_HEIGHT / 2),10) + 'px'});
    }
}

function tb_parseQuery(query){
    var Params = {};
    if (!query) {
        return Params;
    }// return empty object
    var Pairs = query.split(/[;&]/);
    for (var i = 0; i < Pairs.length; i++) {
        var KeyVal = Pairs[i].split('=');
        if (!KeyVal || KeyVal.length != 2) {
            continue;
        }
        var key = unescape(KeyVal[0]);
        var val = unescape(KeyVal[1]);
        val = val.replace(/\+/g, ' ');
        Params[key] = val;
    }
    return Params;
}

function tb_getPageSize(){
    var de = document.documentElement;
    var w = window.innerWidth || self.innerWidth || (de && de.clientWidth) || document.body.clientWidth;
    var h = window.innerHeight || self.innerHeight || (de && de.clientHeight) || document.body.clientHeight;
    arrayPageSize = [w, h];
    return arrayPageSize;
}

function tb_detectMacXFF(){
    var userAgent = navigator.userAgent.toLowerCase();
    if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox') != -1) {
        return true;
    }
}

function tb_next(){
    if (currentCounter < (TB_ImageArray.length - 1)) {
        currentCounter++;
        $("#TB_Image").fadeOut(500);
        var t = setTimeout("setImage()", 1000);
    }
}

function tb_prev(){
    if (currentCounter > 0) {
        currentCounter--;
        $("#TB_Image").fadeOut("slow");
        var t = setTimeout("setImage()", 1000);
    }
}

function setImage(){
    $("#TB_Image").attr({
        src: TB_ImageArray[currentCounter].href
    });
    $("#TB_Image").fadeIn("slow");
    $("#TB_captionRight").html(ImageNames[currentCounter]);
	if (ImageDetails.length > 0) {
		$("#TB_captionBotLeft").html(ImageDetails[currentCounter]); 
	}
	
	$("#imagesOf").html((currentCounter + 1) + " of " + TB_ImageArray.length);
}


