/*
* Thickbox 3 - 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 = "script/thickbox/loadingAnimation.gif";
var tb_pathToImages = "script/thickbox/";
var tb_timeOut = null;

var tb_preLoadImages = null;

/*!!!!!!!!!!!!!!!!! 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 & 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 (tb_preLoadImages == null) {
            tb_preLoadImages = new Object();
            tb_preLoadImages['NextButton'] = new Image();
            tb_preLoadImages['NextButton'].src = tb_pathToImages + "arrowRight.gif";
            tb_preLoadImages['NextButtonOver'] = new Image();
            tb_preLoadImages['NextButtonOver'].src = tb_pathToImages + "arrowRightOver.gif";
            tb_preLoadImages['PrevButton'] = new Image();
            tb_preLoadImages['PrevButton'].src = tb_pathToImages + "arrowLeft.gif";
            tb_preLoadImages['PrevButtonOver'] = new Image();
            tb_preLoadImages['PrevButtonOver'].src = tb_pathToImages + "arrowLeftOver.gif";
        }

        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'>");
                $("#TB_overlay").click(tb_remove);
            }
        }

        if (caption === null) { caption = ""; }
        $("body").append("<div id='TB_load'><img src='" + imgLoader.src + "' /></div>"); //add loader to the page
        $('#TB_load').show(); //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/g;
        var urlType = baseURL.toLowerCase().match(urlString);

        if (urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp') {//code to show images

            TB_PrevCaption = "";
            TB_PrevURL = "";
            TB_PrevHTML = "";
            TB_NextCaption = "";
            TB_NextURL = "";
            TB_NextHTML = "";
            TB_imageCount = "";
            TB_FoundURL = false;
            if (imageGroup) {
                TB_TempArray = $("a[rel=" + imageGroup + "]").get();
                for (TB_Counter = 0; ((TB_Counter < TB_TempArray.length) && (TB_NextHTML === "")); TB_Counter++) {
                    var urlTypeTemp = TB_TempArray[TB_Counter].href.toLowerCase().match(urlString);
                    if (!(TB_TempArray[TB_Counter].href == url)) {
                        if (TB_FoundURL) {
                            TB_NextCaption = TB_TempArray[TB_Counter].title;
                            TB_NextURL = TB_TempArray[TB_Counter].href;
                            TB_NextHTML = '<a href="#" id="TB_NextButton" alt="Next"><img src="' + tb_preLoadImages['NextButton'].src + '" border="0"></a>';
                        } else {
                            TB_PrevCaption = TB_TempArray[TB_Counter].title;
                            TB_PrevURL = TB_TempArray[TB_Counter].href;
                            TB_PrevHTML = '<a href="#" id="TB_PrevButton" alt="Next"><img src="' + tb_preLoadImages['PrevButton'].src + '" border="0"></a>';
                            //TB_PrevHTML = "<span id='TB_prev'><a href='#'><img border='0' src='" + tb_pathToPrevImage + "' alt=''></a></span>&nbsp;&nbsp;";
                        }
                    } else {
                        TB_FoundURL = true;
                        TB_imageCount = "" + (TB_Counter + 1) + " / " + (TB_TempArray.length);
                    }
                }
            }

            imgPreloader = new Image();
            imgPreloader.onload = function() {
                imgPreloader.onload = null;
                if (tb_timeOut != null) {
                    window.clearTimeout(tb_timeOut);
                    tb_timeOut = null;
                }

                // Resizing large images - orginal by Christian Montoya edited by me.
                var pagesize = tb_getPageSize();
                var x = pagesize[0] - 150;
                var y = pagesize[1] - 150;
                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;
                    }
                }
                // End Resizing

                TB_WIDTH = imageWidth + 30;
                TB_HEIGHT = imageHeight + 80;

                // create HTML:
                $("#TB_window").append('<div style="height: 5px"><a href="#" id="TB_closeWindowButton" title="Close"></a></div>');
                $("#TB_window").append('<a href="" id="TB_ImageOff" title="Close"><img id="TB_Image" src="' + url + '" width="' + imageWidth + '" height="' + imageHeight + '" alt="' + caption + '"/></a>');
                $("#TB_window").append('<div id="TB_caption">' + caption + '</div>');
                $("#TB_window").append('<center><table border="0"><tr valign="middle"><td align="right" width="33%">' + TB_PrevHTML + '</td><td align="center" style="padding: 20px"><nobr>' + TB_imageCount + '</nobr></td><td width="33%" align="left">' + TB_NextHTML + '</td></tr></table></center>');

                $("#TB_closeWindowButton").click(tb_remove);

                if (!(TB_PrevHTML === "")) {
                    function goPrev() {
                        if ($(document).unbind("click", goPrev)) { $(document).unbind("click", goPrev); }
                        $("#TB_window").remove();
                        $("body").append("<div id=\"TB_window\"></div>");
                        tb_show(TB_PrevCaption, TB_PrevURL, imageGroup);
                        return false;
                    }
                    $("#TB_PrevButton").click(goPrev);
                    $("#TB_PrevButton img").mouseover(function() { this.src = tb_preLoadImages['PrevButtonOver'].src });
                    $("#TB_PrevButton img").mouseout(function() { this.src = tb_preLoadImages['PrevButton'].src });
                }

                if (!(TB_NextHTML === "")) {
                    function goNext() {
                        $("#TB_window").remove();
                        $("body").append("<div id=\"TB_window\"></div>");
                        tb_show(TB_NextCaption, TB_NextURL, imageGroup);
                        return false;
                    }
                    $("#TB_NextButton").click(goNext);
                    $("#TB_NextButton img").mouseover(function() { this.src = tb_preLoadImages['NextButtonOver'].src });
                    $("#TB_NextButton img").mouseout(function() { this.src = tb_preLoadImages['NextButton'].src });

                }

                document.onkeydown = function(e) {
                    if (e == null) { // ie
                        keycode = event.keyCode;
                    } else { // mozilla
                        keycode = e.which;
                    }
                    window.status = keycode;
                    if (keycode == 27) { // close
                        tb_remove();
                    } else if (keycode == 190 || keycode == 39) { // display previous image
                        if (!(TB_NextHTML == "")) {
                            document.onkeydown = "";
                            goNext();
                        }
                    } else if (keycode == 188 || keycode == 37) { // display next image
                        if (!(TB_PrevHTML == "")) {
                            document.onkeydown = "";
                            goPrev();
                        }
                    }
                };

                tb_position();
                $("#TB_load").remove();
                $("#TB_ImageOff").click(tb_remove);
                $("#TB_Image").fadeIn("slow");
                $("#TB_window").css({ display: "block" }); //for safari using css instead of show			

            };

            imgPreloader.src = url;
            tb_timeOut = window.setTimeout(function() {
                tb_timeOut = null;
                if ($("#TB_load").length > 0) {
                    tb_remove();
                }
            }, 5000); // if no image has been displayed by 5 seconds, close thickbox and return to document
        } else {//code to show html pages

            var queryString = url.replace(/^[^\?]+\??/, '');
            var params = tb_parseQuery(queryString);

            TB_WIDTH = (params['width'] * 1) || 600; //defaults to 600 if no paramaters were added to URL
            TB_HEIGHT = (params['height'] * 1) || 400; //defaults to 400 if no paramaters were added to URL
            ajaxContentW = TB_WIDTH;
            ajaxContentH = TB_HEIGHT;

            var titleHTML = '';
            if (caption && caption.length > 0)
                titleHTML = '<div id="TB_title"><div id="TB_ajaxWindowTitle">' + caption + '</div><div id="TB_closeAjaxWindow"><a href="#" id="TB_closeWindowButton" title="Close"></a></div></div>';
            else
                titleHTML = '<div id="TB_title" style="height: 18px"><div id="TB_closeAjaxWindow"><a href="#" id="TB_closeWindowButton" title="Close"></a></div></div>';

            if (url.indexOf('TB_iframe') != -1) {
                urlNoQuery = url.split('TB_');
                $("#TB_window").append(titleHTML + "<iframe frameborder=\"0\" hspace=\"0\" src=\"" + urlNoQuery[0] + "\" id=\"TB_iframeContent\" name=\"TB_iframeContent\" style=\"width:" + (ajaxContentW + 29) + "px;height:" + (ajaxContentH + 17) + "px;\" onload=\"tb_showIframe()\"> </iframe>");
            } else {
                if ($("#TB_window").css("display") != "block") {
                    if (params['modal'] != "true") {
                        $("#TB_window").append(titleHTML + "<div id='TB_ajaxContent' style='width:" + ajaxContentW + "px;height:" + ajaxContentH + "px'></div>");
                    } else {
                        $("#TB_overlay").unbind();
                        $("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:" + ajaxContentW + "px;height:" + ajaxContentH + "px;'></div>");
                    }
                } else {
                    $("#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) {
                $("#TB_ajaxContent").html($('#' + params['inlineId']).html());
                tb_position();
                $("#TB_load").remove();
                $("#TB_window").css({ display: "block" });
            } else if (url.indexOf('TB_iframe') != -1) {
                tb_position();
                if (frames['TB_iframeContent'] === undefined) {//be nice to safari
                    $("#TB_load").remove();
                    $("#TB_window").css({ display: "block" });
                    $(document).keyup(function(e) { var key = e.keyCode; if (key == 27) { tb_remove(); } });
                }
            } 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_overlay").unbind("click");
    $("#TB_closeWindowButton").unbind("click");
    $("#TB_window").fadeOut("fast", function() { $('#TB_window,#TB_overlay,#TB_HideSelect').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 = "";
    return false;
}

function tb_position() {
    $("#TB_window").css({ marginLeft: '-' + parseInt((TB_WIDTH / 2), 10) + 'px', width: TB_WIDTH + 'px' });
    if (!(jQuery.browser.msie && typeof XMLHttpRequest == 'function')) { // 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;
}