/*
 * 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
 * 
 * Protothickbox 3.1.3
 * Modified By Spookies Labs(http://labs.spookies.jp)
 * depends on prototype.js 1.6 or later + effects.js
*/
var tb_pathToImage = "/common/thickbox/loadingAnimation.gif";

var ProtoThickBox = {
  Version: '3.1.3'
};

//on page load call tb_init
document.observe('dom:loaded', function(){
                   tb_init('a.thickbox');
                   tb_init('area.thickbox');
                   tb_init('input.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).each(function(el) {
                      el.observe('click', function(e) {
                                   var t = el.title || el.name || null;
                                   var a = el.href || el.alt;
                                   var g = el.rel || false;
                                   tb_show(t,a,g);
                                   el.blur();
                                   Event.stop(e);
                                   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
      $(document.body).setStyle({height: "100%", width: "100%"});
      if (!$("TB_HideSelect")) {//iframe to hide select elements in ie6
        $(document.body).insert("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
        $("TB_overlay").observe('click', tb_remove);
      }
    } else {//all others
      if (!$("TB_overlay")){
        $(document.body).insert("<div id='TB_overlay'></div><div id='TB_window'></div>");
        $("TB_overlay").observe('click', tb_remove);
      }
    }
    
    if (tb_detectMacXFF()){
      $("TB_overlay").addClassName("TB_overlayMacFFBGHack");//use png overlay so hide flash
    } else {
      $("TB_overlay").addClassName("TB_overlayBG");//use background and opacity
    }
    
    if (caption===null){caption="";}
    $(document.body).insert("<div id='TB_load'><img src='"+imgLoader.src+"' /></div>");//add loader to the page
    $('TB_load').show();//show loader
    $('TB_load').style.display = 'block';
    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+"]");
        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").insert("<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").observe('click', tb_remove);
        if (!(TB_PrevHTML === "")) {
          function goPrev(){
            $(document).stopObserving("click",goPrev);
            $("TB_window").remove();
            $(document.body).insert("<div id='TB_window'></div>");
            tb_show(TB_PrevCaption, TB_PrevURL, imageGroup);
            return false;
          }
          $("TB_prev").observe('click', goPrev);
        }
        
        if (!(TB_NextHTML === "")) {
          function goNext(){
            $("TB_window").remove();
            $(document.body).insert("<div id='TB_window'></div>");
            tb_show(TB_NextCaption, TB_NextURL, imageGroup);
            return false;
          }
          $("TB_next").observe('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").observe('click', tb_remove);
        $("TB_window").setStyle({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_');
        if ($("TB_iframeContent")) $("TB_iframeContent").remove();
        if (params['modal'] != "true"){//iframe no modal
          $("TB_window").insert("<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").stopObserving();
          $("TB_window").insert("<iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;'> </iframe>");
        }
      } else {// not an iframe, ajax
        if ($("TB_window").getStyle("display") != "block"){
          if (params['modal'] != "true"){//ajax no modal
            $("TB_window").insert("<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").stopObserving();
            $("TB_window").insert("<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").style.width = ajaxContentW +"px";
          $("TB_ajaxContent").style.height = ajaxContentH +"px";
          $("TB_ajaxContent").scrollTop = 0;
          $("TB_ajaxWindowTitle").update(caption);
        }
      }
      
      if ($("TB_closeWindowButton")) $("TB_closeWindowButton").observe('click', tb_remove);
      
      if (url.indexOf('TB_inline') != -1){        
        $("TB_ajaxContent").insert($('#' + params['inlineId']).children());
        $("TB_window").observe('unload', function () {
                                 $('#' + params['inlineId']).insert( $("TB_ajaxContent").children() ); // move elements back when you're finished
                               });
        tb_position();
        $("TB_load").remove();
        $("TB_window").setStyle({display:"block"}); 
      } else if (url.indexOf('TB_iframe') != -1){
        tb_position();
        if (Prototype.Browser.WebKit){//safari needs help because it will not fire iframe onload
          $("TB_load").remove();
          $("TB_window").setStyle({display:"block"});
        }
      } else {
        new Ajax.Updater("TB_ajaxContent",
                         url,
                         { parameters: {random: new Date().getTime()},
                           onComplete: function(){
                             tb_position();
                             $("TB_load").remove();
                             tb_init("#TB_ajaxContent a.thickbox");
                             $("TB_window").setStyle({display:"block"});
                           }});
      }
    }
    if (!params || !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) {
    alert($H(e).inspect());
    throw e;
    //nothing here
  }
}

//helper functions below
function tb_showIframe() {
  if ($("TB_load")) {
    $("TB_load").remove();
  }
  $("TB_window").setStyle({display:"block"});
}

function tb_remove() {
  //$("TB_imageOff").stopObserving("click");
  if ($("TB_closeWindowButton")) {
    $("TB_closeWindowButton").stopObserving("click");
  }
  new Effect.Fade("TB_window", {duration: 0.5});
  ['TB_window','TB_overlay','TB_HideSelect'].each(function(el) {
                                                    if ($(el)) {
                                                      $(el).stopObserving().remove();
                                                    }
                                                  });
  if ($("TB_load")) {
    $("TB_load").remove();
  }
  if (typeof document.body.style.maxHeight == "undefined") {//if IE 6
    $(document.body).setStyle({height: "auto", width: "auto"});
//    $(document.html).setStyle("overflow","");
  }
  document.onkeydown = "";
  document.onkeyup = "";
  return false;
}

function tb_position() {
  $("TB_window").setStyle({marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH + 'px'});
  var version = (navigator.userAgent.toLowerCase().match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [])[1];
  if ( !(Prototype.Browser.IE && !window.XMLHttpRequest)) { // take away IE6
    if ($("TB_window")) $("TB_window").setStyle({marginTop: '-' + parseInt((TB_HEIGHT / 2),10) + 'px'});
  }
//  if ( !(Prototype.Browser.IE && version < 7)) { // take away IE6
//    if ($("TB_window")) $("TB_window").setStyle({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;
  }
}
