﻿/*
 * 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 = "http://vsites.vizergy.com/vsitefiles/templates/67/img/design/loadingAnimation.gif";

/*!!!!!!!!!!!!!!!!! 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 (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+"' /></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='#'>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> or Esc Key</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 );

               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){// 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='Close'>close</a> or Esc Key</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' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px'></div>");
                              }else{//ajax modal
                              $("#TB_overlay").unbind();
                              $("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></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) {
          //nothing here
     }
}

//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;
  }
}
