/*
 * Based on Thickbox By Cody Lindley (http://www.codylindley.com)
*/
      
var tb_pathToImage = "/images/imagebox/loading.gif";

//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 =null // 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 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'><img src='/images/thickbox_close.png' width='26' height='25' /></a></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'><img src='/images/thickbox_close.png' width='26' height='25' /></a></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{
            if (!params['method']){ params['method'] = 'get' };
            $.ajax({
                url: url,
                type: params['method'],
                dataType: "html",
                beforeSend: function(xhr) {xhr.setRequestHeader("Accept", "text/javascript");},
                success: function(data) {
                    $("#TB_ajaxContent").html(data);
                    tb_position();
                    $("#TB_load").remove();
                    tb_init("#TB_ajaxContent a.thickbox");
                    $("#TB_window").css({display:"block"});
                    $("#TB_ajaxContent input:first").focus();
                }
          });
        }
        
    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;
  }
}