/*
 * Thickbox 2.0 - 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();
    var f = this.name || null;
    if (f) {
        var func = new Function(f);
        //alert("pause");
        var retval = func.call(this);
    }
    return false;
    });
}

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

    try {
        if (document.getElementById("TB_HideSelect") == null) {
        $("body").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'>Loading...</div>");
        TB_load_position();

        var urlString = /\.jpg|\.jpeg|\.png|\.gif|\.html|\.htm|\.php|\.cfm|\.asp|\.aspx|\.jsp|\.jst|\.rb|\.txt|\.bmp/g;
        var urlType = url.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='#'>Next &gt;</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='#'>&lt; Prev</a></span>";
                  }
                } else {
                  TB_FoundURL = true;
                  TB_imageCount = "Image " + (TB_Counter + 1) +" of "+ (TB_TempArray.length);
                }
            }
          }
          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 = 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 + 60;
          $("#TB_window").append("<a href='' id='TB_ImageOff' title='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='Close'>close</a></div>");

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

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

            $("#TB_prev").click(goPrev);

            $(document).keyup( function(e){ var key = e.keyCode; if(key == 37){goPrev()} });
          }



          if (!(TB_NextHTML == "")) {
            function goNext(){
              $("#TB_window").remove();
              $("body").append("<div id='TB_window'></div>");
              $(document).unkeyup();
              TB_show(TB_NextCaption, TB_NextURL, imageGroup);
              return false;
            }

            $("#TB_next").click(goNext);

            $(document).keyup( function(e){ var key = e.keyCode; if(key == 39){goNext()} });
          }

          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;
        }

        if(urlType=='.htm'||urlType=='.html'||urlType=='.php'||urlType=='.asp'||urlType=='.aspx'||urlType=='.jsp'||urlType=='.jst'||urlType=='.rb'||urlType=='.txt'||urlType=='.cfm' || (url.indexOf('TB_inline') != -1) || (url.indexOf('TB_videoinline') != -1) || (url.indexOf('TB_iframe') != -1) ){//code to show html pages

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

            if (params['fullscreen']!='true') {
                TB_WIDTH = (params['width']*1) + 30;
                TB_HEIGHT = (params['height']*1) + 40;
            }else{
                var pagesize = TB_getPageSize();
                TB_WIDTH = pagesize[0] - 50;
                TB_HEIGHT = pagesize[1] - 50;
            }
            ajaxContentW = TB_WIDTH - 30;
            ajaxContentH = TB_HEIGHT - 45;

            if(url.indexOf('TB_iframe') != -1){
                    urlNoQuery = url;//.substr(0,TB_strpos(url, "?"));
                    $("#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><iframe src='"+urlNoQuery+"' id='TB_iframeContent' style='width:"+(ajaxContentW + 30)+"px;height:"+(ajaxContentH + 18)+"px;'></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 id='player'></div></div>");
            }

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

                if(url.indexOf('TB_videoinline') != -1){
                    //$("#TB_ajaxContent").html($('#' + params['inlineId']).html());
                    TB_position();
                    $("#TB_load").remove();
                    $("#TB_window").css({display:"block"});
                }else 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();
                    $("#TB_load").remove();
                    $("#TB_window").css({display:"block"});
                }else{
                    $("#TB_ajaxContent").load(url, function(){
                        TB_position();
                        $("#TB_load").remove();
                        $("#TB_window").css({display:"block"});
                    });
                }

        }

        $(window).resize(TB_position);

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

//helper functions below

function TB_remove() {
    $("#TB_window").fadeOut("fast",function(){$('#TB_window,#TB_overlay,#TB_HideSelect').remove();});
    $("#TB_load").remove();
    $(document).unkeyup();
    return false;
}

function TB_position() {
    var pagesize = TB_getPageSize();
    var arrayPageScroll = TB_getPageScrollTop();

    $("#TB_window").css({width:TB_WIDTH+"px",left: ((pagesize[0] - TB_WIDTH)/2)+"px", top: (arrayPageScroll[1] + ((pagesize[1]-TB_HEIGHT)/2))+"px" });
    TB_overlaySize();
}

function TB_overlaySize(){
    if (window.innerHeight && window.scrollMaxY) {
        yScroll = window.innerHeight + window.scrollMaxY;
    } else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
        yScroll = document.body.scrollHeight;
    } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
        yScroll = document.body.offsetHeight;
    }
    $("#TB_overlay").css("height",yScroll +"px");
    $("#TB_HideSelect").css("height",yScroll +"px");
    $("#TB_overlay").css("width",document.body.clientWidth +"px");

}

function TB_load_position() {
    var pagesize = TB_getPageSize();
    var arrayPageScroll = TB_getPageScrollTop();

    $("#TB_load")
    .css({left: ((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;
    if (self.pageYOffset) {
        yScrolltop = self.pageYOffset;
    } else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
        yScrolltop = document.documentElement.scrollTop;
    } else if (document.body) {// all other Explorers
        yScrolltop = document.body.scrollTop;
    }
    arrayPageScroll = new Array('',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;
}

function TB_strpos(str, ch) {
for (var i = 0; i < str.length; i++)
if (str.substring(i, i+1) == ch) return i;
return -1;
}


