/*
 * 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 = "/images/thickbox-loading-animation.gif";

/*!!!!!!!!!!!!!!!!! edit below this line at your own risk !!!!!!!!!!!!!!!!!!!!!!!*/

//on page load call tb_init
jQuery(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){
   jQuery(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
         jQuery("body","html").css({height: "100%", width: "100%"});
         jQuery("html").css("overflow","hidden");
         if (document.getElementById("TB_HideSelect") === null) {//iframe to hide select elements in ie6
            jQuery("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
            jQuery("#TB_overlay").click(tb_remove);
         }
      }else{//all others
         if(document.getElementById("TB_overlay") === null){
            jQuery("body").append("<div id='TB_overlay'></div><div id='TB_window'>");
            jQuery("#TB_overlay").click(tb_remove);
         }
      }

      if(caption===null){caption="";}
      jQuery("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' /></div>");//add loader to the page
      jQuery('#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 = jQuery("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;
         jQuery("#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>");

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

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

         if (!(TB_NextHTML === "")) {
            function goNext(){
               jQuery("#TB_window").remove();
               jQuery("body").append("<div id='TB_window'></div>");
               tb_show(TB_NextCaption, TB_NextURL, imageGroup);
               return false;
            }
            jQuery("#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();
         jQuery("#TB_load").remove();
         jQuery("#TB_ImageOff").click(tb_remove);
         jQuery("#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 || 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){
               urlNoQuery = url.split('TB_');
               jQuery("#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{
               if(jQuery("#TB_window").css("display") != "block"){
                  if(params['modal'] != "true"){
                  jQuery("#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>");
                  }else{
                  jQuery("#TB_overlay").unbind();
                  jQuery("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
                  }
               }else{
                  jQuery("#TB_ajaxContent")[0].style.width = ajaxContentW +"px";
                  jQuery("#TB_ajaxContent")[0].style.height = ajaxContentH +"px";
                  jQuery("#TB_ajaxContent")[0].scrollTop = 0;
                  jQuery("#TB_ajaxWindowTitle").html(caption);
               }
         }

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

            if(url.indexOf('TB_inline') != -1){
               jQuery("#TB_ajaxContent").html(jQuery('#' + params['inlineId']).html());
               tb_position();
               jQuery("#TB_load").remove();
               jQuery("#TB_window").css({display:"block"});
            }else if(url.indexOf('TB_iframe') != -1){
               tb_position();
               if(frames['TB_iframeContent'] === undefined){//be nice to safari
                  jQuery("#TB_load").remove();
                  jQuery("#TB_window").css({display:"block"});
                  jQuery(document).keyup( function(e){ var key = e.keyCode; if(key == 27){tb_remove();}});
               }
            }else{
               jQuery("#TB_ajaxContent").load(url += "&random=" + (new Date().getTime()),function(){//to do a post change this load method
                  tb_position();
                  jQuery("#TB_load").remove();
                  tb_init("#TB_ajaxContent a.thickbox");
                  jQuery("#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(){
   jQuery("#TB_load").remove();
   jQuery("#TB_window").css({display:"block"});
}

function tb_remove() {
   jQuery("#TB_imageOff").unbind("click");
   jQuery("#TB_overlay").unbind("click");
   jQuery("#TB_closeWindowButton").unbind("click");
   jQuery("#TB_window").fadeOut("fast",function(){jQuery('#TB_window,#TB_overlay,#TB_HideSelect').remove();});
   jQuery("#TB_load").remove();
   if (typeof document.body.style.maxHeight == "undefined") {//if IE 6
      jQuery("body","html").css({height: "auto", width: "auto"});
      jQuery("html").css("overflow","");
   }
   document.onkeydown = "";
   return false;
}

function tb_position() {
jQuery("#TB_window").css({marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH + 'px'});
   if ( !(jQuery.browser.msie && typeof XMLHttpRequest == 'function')) { // take away IE6
      jQuery("#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;
}