/*
 * 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 = "/styles/images/ajax_loader.gif";
var tb_l_loading = 'loading... please wait or abort with <small>ESC</small> key';
var tb_l_next = 'Next';
var tb_l_prev = 'Prev';
var tb_l_image = 'Image';
var tb_l_image_of = 'of';
var tb_l_close = 'close';
var tb_l_esc = 'or press <small>ESC</small> key';


// on page load call tb_init
$(document).ready(function(){   
    tb_init('a.thickbox, area.thickbox, input.thickbox');
    imgLoader = new 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 called when the user clicks on a thickbox link
function tb_show(caption, url, imageGroup){
    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+"' /><br />"+ tb_l_loading +"</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$/;
        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 = "<span id='TB_next'>&nbsp;&nbsp;<a href='#'>"+tb_l_next+"</a></span>";
                        }else{
                            TB_PrevCaption = TB_TempArray[TB_Counter].title;
                            TB_PrevURL = TB_TempArray[TB_Counter].href;
                            TB_PrevHTML = "<span id='TB_prev'>&nbsp;&nbsp;<a href='#'>"+tb_l_prev+"</a></span>";
                        }
                    }else{
                        TB_FoundURL = true;
                        TB_imageCount = tb_l_image + " " + (TB_Counter + 1) +" " + tb_l_image_of + " "+ (TB_TempArray.length);                      
                    }
                }
            }

            imgPreloader = new Image();
            imgPreloader.onload = function(){    
                imgPreloader.onload = null;

                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;
                    }
                }


                TB_WIDTH = imageWidth + 30;
                TB_HEIGHT = imageHeight + 60;
                $("#TB_window").append("<a href='' id='TB_ImageOff' title='"+tb_l_close+"'><img id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/></a>" + "<div id='TB_caption'>"+caption+"<div id='TB_secondLine'>" + TB_imageCount + TB_PrevHTML + TB_NextHTML + "</div></div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='"+tb_l_close+"'>"+tb_l_close+"</a> "+tb_l_esc+"</div>");

                $("#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_prev").click(goPrev);
                }

                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_next").click(goNext);
                }
                
                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 == 190){ // display previous image
                        if(!(TB_NextHTML == "")){
                            document.onkeydown = "";
                            goNext();
                        }
                    }else if(keycode == 188){ // display next image
                        if(!(TB_PrevHTML == "")){
                            document.onkeydown = "";
                            goPrev();
                        }
                    }  
                };

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

            imgPreloader.src = url;
        }else{ // code to show html
            var queryString = url.replace(/^[^\?]+\??/,'');
            var params = tb_parseQuery( queryString );
            var pagesize = tb_getPageSize();
                
            if (params['fullscreen'] == 'true'){
                TB_WIDTH = pagesize[0];
                TB_HEIGHT = pagesize[1];
                $("#TB_window").css("border", "none");
            }else{
                TB_WIDTH = (pagesize[0] * (params['pwidth']*1) / 100) || (params['width']*1) + 30 || 630;
                TB_HEIGHT = (pagesize[1] * (params['pheight']*1) / 100) || (params['height']*1) + 40 || 440;
            }

            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='"+tb_l_close+"'>"+tb_l_close+"</a> "+tb_l_esc+"</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'></div>");
                    }else{ // ajax modal
                        $("#TB_overlay").unbind();
                        $("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal'></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){ }
}


// 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");
    $("#TB_window").fadeOut("fast",function(){$('#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) + '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;
    }
}