/*
 * Thickbox 2.1 - One Box To Rule Them All.
 * By Cody Lindley (http://www.codylindley.com)
 * Copyright (c) 2006 cody lindley
 * Licensed under the MIT License:
 *   http://www.opensource.org/licenses/mit-license.php
 * Thickbox is built on top of the very light weight jQuery library.
 */

//on page load call TB_init
$(document).ready(TB_init);

//add thickbox to href elements that have a class of .thickbox
function TB_init(){
    $("a.thickbox").click(function(){
    var t = this.title || this.name || null;
    var g = this.rel || false;
    TB_show(t,this.href,g);
    this.blur();
    return false;
    });
}

function TB_show(caption, url, imageGroup) {//function called when the user clicks on a thickbox link

    if (typeof($.slideshow) != "undefined")
    {
        $.slideshow.stop();
    }

    try {
        if (document.getElementById("TB_HideSelect") == null) {
            $("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
//            $("#page").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
            $("#TB_overlay").click(TB_remove);
        }

        if(caption==null){caption=""};

//      $(window).scroll(TB_position);

        TB_overlaySize();

        $("body").append("<div id='TB_load'><img src='/misc/loading.gif' /></div>");
        TB_load_position();


        if(url.indexOf("?")!==-1) { //If there is a query string involved
             var baseURL = url.substr(0, url.indexOf("?"));
        }
        else{
             var 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_NextCaption = "";
            TB_NextURL = "";
            TB_imageCount = "";
            if(imageGroup)
            {
                TB_TempArray  = $("a[@rel="+imageGroup+"]").get();
                for (TB_Counter = 0; TB_Counter < TB_TempArray.length; TB_Counter++)
                {
                    if (TB_TempArray[TB_Counter].href == url) {
                        var iNext = (TB_Counter+1 < TB_TempArray.length) ? TB_Counter+1 : 0;
                        var iPrev = (TB_Counter > 0) ? TB_Counter-1 : TB_TempArray.length-1;
                        TB_NextCaption = TB_TempArray[iNext].title;
                        TB_NextURL     = TB_TempArray[iNext].href;
                        TB_PrevCaption = TB_TempArray[iPrev].title;
                        TB_PrevURL     = TB_TempArray[iPrev].href;
                        TB_imageCount  = "Image " + (TB_Counter + 1) +" of "+ (TB_TempArray.length);
                        break;
                    }
                }
            }


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

                // Resizing large images - orginal by Christian Montoya edited by me.
                var pagesize = TB_getPageSize();
//              alert('width='+pagesize[0]+',height='+pagesize[1]);
                var x = pagesize[0] - 80;
                var y = pagesize[1] - 110;
                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 + 60;

                if (document.getElementById("TB_ImageOff") == null) {
                    $("#TB_window").append(
                        "<div id='TB_nextprev'></div>"
                      + "<div id='TB_title'><div id='TB_caption'></div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Close'>close</a></div></div>"
                      + "<span id='TB_ImageOff'></span>"
                      );
                }
                $("#TB_ImageOff").empty();
                $("#TB_ImageOff").append("<img id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/>");
                $("#TB_caption").empty();
                $("#TB_caption").append(caption+"<div id='TB_secondLine'></div>");
                $("#TB_nextprev").empty();
                $("#TB_nextprev").css({height:'' + imageHeight + "px"});
                $("#TB_nextprev").append("<div id='TB_prev'><a id='TB_prev_a' href='#'></a></div>"
                                       + "<div id='TB_next'><a id='TB_next_a' href='#'></a></div>");
                $("#TB_prev").css({height:'' + imageHeight + "px"});
                $("#TB_next").css({height:'' + imageHeight + "px"});
                $("#TB_prev_a").css({height:'' + imageHeight + "px"});
                $("#TB_next_a").css({height:'' + imageHeight + "px"});
                $("#TB_closeWindowButton").click(TB_remove);

                if (!(TB_PrevURL == "")) {
                    function goPrev(){
                        // if($(document).unclick(goPrev)){$(document).unclick(goPrev)};
                        // $("#TB_window").remove();
                        // $("body").append("<div id='TB_window'></div>");
                        TB_show(TB_PrevCaption, TB_PrevURL, imageGroup);
                        return false;
                    }
                    $("#TB_prev").unclick();
                    $("#TB_prev").click(goPrev);
                }

                if (!(TB_NextURL == "")) {
                    function goNext(){
                        //$("#TB_window").remove();
                        //$("body").append("<div id='TB_window'></div>");
                        TB_show(TB_NextCaption, TB_NextURL, imageGroup);
                        return false;
                    }
                    $("#TB_next").unclick();
                    $("#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_NextURL == "")){
                        document.onkeydown = "";
                        goNext();
                        }
                    } else if(keycode == 188){ // display next image
                        if(!(TB_PrevURL == "")){
                        document.onkeydown = "";
                        goPrev();
                        }
                    }
                }

                TB_position();
                $("#TB_load").remove();
                //$("#TB_ImageOff").click(TB_remove);
                //$("#TB_ImageOff").click(function(){ return false; });
                //$("#TB_window").css({display:"block"}); //for safari using css instead of show
            }

            imgPreloader.src = url;
        }
        else
        {   //code to show html pages

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

            TB_WIDTH = (params['width']*1) + 30;
            TB_HEIGHT = (params['height']*1) + 40;
            ajaxContentW = TB_WIDTH - 30;
            ajaxContentH = TB_HEIGHT ;

            if(url.indexOf('TB_iframe') != -1){
                    urlNoQuery = url.split('TB_');
                    $("#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></div></div><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{
                    $("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>close</a></div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
            }

            $("#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, function(){
                        TB_position();
                        $("#TB_load").remove();
                        $("#TB_window").css({display:"block"});
                    });
                }

        }


        $(window).resize(TB_position_noflip);

        document.onkeyup = function(e){
            if (e == null) { // ie
                keycode = event.keyCode;
            } else { // mozilla
                keycode = e.which;
            }
            if(keycode == 27){ // close
                TB_remove();
            }
        }

    } catch(e) {
        alert( e );
    }
}

//helper functions below

function TB_showIframe(){
    $("#TB_load").remove();
    $("#TB_window").css({display:"block"});
}

function TB_remove() {
    if (typeof($.slideshow) != "undefined")
    {
        $.slideshow.go2();
    }
    $("#TB_imageOff").unclick();
    $("#TB_overlay").unclick();
    $("#TB_closeWindowButton").unclick();
    $("#TB_window").fadeOut("fast",function(){$('#TB_window,#TB_overlay,#TB_HideSelect').remove();});
    $("#TB_load").remove();
    return false;
}

function TB_position() {
    var pagesize = TB_getPageSize();
    var arrayPageScroll = TB_getPageScrollTop();
//    $("#TB_window").hide();
    var top0   = TB_stripPx($("#TB_window").css('top'));
    var left0  = TB_stripPx($("#TB_window").css('left'));
    var width0 = $("#TB_window").width()
    var top    = arrayPageScroll[1] + (pagesize[1] - TB_HEIGHT)/2;
    var left   = arrayPageScroll[0] + (pagesize[0] - TB_WIDTH)/2;
    var width  = TB_WIDTH;
    $("#TB_window").show();
//    TB_fade(Math.round(top0), Math.round(top), Math.round(left0), Math.round(left), Math.round(width0), Math.round(width));
    $("#TB_window").css({display:"block", width:TB_WIDTH+"px",left: (arrayPageScroll[0] + (pagesize[0] - TB_WIDTH)/2)+"px", top: (arrayPageScroll[1] + (pagesize[1]-TB_HEIGHT)/2)+"px" });
    $("#TB_window").show();
}

function TB_fade(top0, top, left0, left, width0, width)
{
    if (Math.abs(width0 - width) <= 10)
        return;
console.info('TB_fade('+top0+', '+top+', '+left0+', '+left+', '+width0+', '+width+')');
    width0 += ((width > width0) ? 10 : -10);
    $("#TB_window").css({display:"block", top:top+"px", left:left+"px", width:width0+"px"});
    window.setTimeout('TB_fade('+top0+', '+top+', '+left0+', '+left+', '+width0+', '+width+')', 1);
}

function TB_stripPx(s)
{
    if (s.length >= 2 && s.substr(s.length-2) == 'px')
        return s.substr(0, s.length-2)
    return s;
}

function TB_position_noflip() {
    var pagesize = TB_getPageSize();
    var arrayPageScroll = TB_getPageScrollTop();
    var top = 20;
//  var top = (pagesize[1] > 700) ? ((pagesize[1]-700)/2)-20 : 20;
    $("#TB_window").hide();
    $("#TB_window").css({display:"block", width:TB_WIDTH+"px",left: (arrayPageScroll[0] + (pagesize[0] - TB_WIDTH)/2)+"px", top:top+"px"});
    $("#TB_window").show();
}

function TB_overlaySize(){
    if (window.innerHeight && window.scrollMaxY || window.innerWidth && window.scrollMaxX) {
        yScroll = window.innerHeight + window.scrollMaxY;
        xScroll = window.innerWidth + window.scrollMaxX;
        var deff = document.documentElement;
        var wff = (deff&&deff.clientWidth) || document.body.clientWidth || window.innerWidth || self.innerWidth;
        var hff = (deff&&deff.clientHeight) || document.body.clientHeight || window.innerHeight || self.innerHeight;
        xScroll -= (window.innerWidth - wff);
        yScroll -= (window.innerHeight - hff);
    } else if (document.body.scrollHeight > document.body.offsetHeight || document.body.scrollWidth > document.body.offsetWidth){ // all but Explorer Mac
        yScroll = document.body.scrollHeight;
        xScroll = document.body.scrollWidth;
    } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
        yScroll = document.body.offsetHeight;
        xScroll = document.body.offsetWidth;
    }
    $("#TB_overlay").css({"height":yScroll +"px", "width":xScroll +"px"});
    $("#TB_HideSelect").css({"height":yScroll +"px","width":xScroll +"px"});
}

function TB_load_position() {
    var pagesize = TB_getPageSize();
    var arrayPageScroll = TB_getPageScrollTop();
    $("#TB_load")
    .css({left: (arrayPageScroll[0] + (pagesize[0] - 100)/2)+"px", top: (arrayPageScroll[1] + ((pagesize[1]-100)/2))+"px" })
    .css({display:"block"});
}

function TB_parseQuery ( query ) {
   var Params = new Object ();
   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_getPageScrollTop(){
    var yScrolltop;
    var xScrollleft;
    if (self.pageYOffset || self.pageXOffset) {
        yScrolltop = self.pageYOffset;
        xScrollleft = self.pageXOffset;
    } else if (document.documentElement && document.documentElement.scrollTop || document.documentElement.scrollLeft ){  // Explorer 6 Strict
        yScrolltop = document.documentElement.scrollTop;
        xScrollleft = document.documentElement.scrollLeft;
    } else if (document.body) {// all other Explorers
        yScrolltop = document.body.scrollTop;
        xScrollleft = document.body.scrollLeft;
    }
    arrayPageScroll = new Array(xScrollleft,yScrolltop)
    return arrayPageScroll;
}

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 = new Array(w,h)
    return arrayPageSize;
}