/*
 * Thickbox 2.1 - jQuery plugin for displaying content in a box above the page
 * 
 * Copyright (c) 2006, 2007 Cody Lindley (http://www.codylindley.com)
 * with tweaks to THIS file happily provided by Nathan Logan (http://nathanlogan.com/ or nathan.logan@albertsons.com)
 * 
 * Licensed under the MIT License:
 *   http://www.opensource.org/licenses/mit-license.php
 */
// 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(event){
    // stop default behaviour
    event.preventDefault();
    // remove click border
    this.blur();
  
    // get caption: either title or name attribute
    var caption = this.title || this.name || "";
    
    // get rel attribute for image groups
    var group = this.rel || false;
    
    // display the box for the elements href
    TB_show(caption, this.href, group);
  });
}
// called when the user clicks on a thickbox link
function TB_show(caption, url, rel) {
  // create iframe, overlay and box if non-existent
  if ( !$("#TB_HideSelect").length ) {
    $("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
    $("#TB_overlay").click(TB_remove);
  }
  // TODO replace or check if event is already assigned
  $(window).scroll(TB_position);
  
  // TODO replace
  TB_overlaySize();
  
  // TODO create loader only once, hide and show on demand
  $("body").append("<div id='TB_load'><img src='/images/loadingAnimation.gif' /></div>");
  TB_load_position();
  
  // check if a query string is involved
  var baseURL = url.match(/(.+)?/)[1] || url;

    //code to show html pages
    var queryString = url.match(/\?(.+)/)[1];
    var params = TB_parseQuery( queryString );
    
    TB_WIDTH = (params['width']*1) + 30;
    TB_HEIGHT = (params['height']*1) + 40;
    var ajaxContentW = TB_WIDTH - 30,
      ajaxContentH = TB_HEIGHT - 45;
    
  if(url.indexOf('TB_iframe') != -1){        
      urlNoQuery = url.split('TB_');    
      $("#TB_window").append("<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><div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton' title='Close window'><span>Close window</span></a></div></div>");
    } else {
      $("#TB_window").append("<div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div><div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'><span>Close window</span></a></div></div>");
    }	
        
    $("#TB_closeWindowButton").click(TB_remove);
    
      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();
        if(frames['TB_iframeContent'] == undefined){//be nice to safari
          $("#TB_load").remove();
          $("#TB_window").css({display:"block"});
          $(document).keyup( function(e){ var key = e.keyCode; if(key == 27){TB_remove()} });
        }
      }else{
        $("#TB_ajaxContent").load(url, function(){
          TB_position();
          $("#TB_load").remove();
          $("#TB_window").css({display:"block"}); 
        });
      }
    
  //}
  
  $(window).resize(TB_position);
  
  document.onkeyup = function(e){   
    if (e == null) { // ie
      keycode = event.keyCode;
    } else { // mozilla
      keycode = e.which;
    }
    if(keycode == 27){ // close
      TB_remove();
    }  
  }
    
}
//helper functions below
function TB_showIframe(){
  $("#TB_load").remove();
  $("#TB_window").css({display:"block"});
}
function TB_remove() {
   $("#TB_imageOff").unbind("click");
  $("#TB_overlay").unbind("click");
  $("#TB_closeWindowButton").unbind("click");
  $("#TB_window").fadeOut("fast",function(){$('#TB_window,#TB_overlay,#TB_HideSelect').remove();});
  $("#TB_load").remove();
  return false;
}
function TB_position() {
  var pagesize = TB_getPageSize();  
  var arrayPageScroll = TB_getPageScrollTop();
  var style = {width: TB_WIDTH, left: (arrayPageScroll[0] + (pagesize[0] - TB_WIDTH)/2), top: (arrayPageScroll[1] + (pagesize[1]-TB_HEIGHT)/2)};
  $("#TB_window").css(style);
}
function TB_overlaySize(){
    if (window.innerHeight && window.scrollMaxY || window.innerWidth && window.scrollMaxX) {
        yScroll = window.innerHeight + window.scrollMaxY;
        xScroll = window.innerWidth + window.scrollMaxX ;
        var deff = document.documentElement;
        var wff = (deff&&deff.clientWidth) || document.body.clientWidth || window.innerWidth || self.innerWidth;
        var hff = (deff&&deff.clientHeight) || document.body.clientHeight || window.innerHeight || self.innerHeight;
        xScroll -= (window.innerWidth - wff);
        yScroll -= (window.innerHeight - hff);
		//alert( 1 );
    } else if (document.body.scrollHeight > document.body.offsetHeight || document.body.scrollWidth > document.body.offsetWidth){ // all but Explorer Mac
        yScroll = document.body.scrollHeight;
        xScroll = document.body.scrollWidth;
    } else if ( window.innerHeight && window.innerWidth ) {
        yScroll = window.innerHeight;
        xScroll = window.innerWidth;
    } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
        yScroll = document.body.offsetHeight;
        xScroll = document.body.offsetWidth;
      }
    $("#TB_overlay").css({"height": yScroll, "width": xScroll});
    $("#TB_HideSelect").css({"height": yScroll,"width": xScroll});
}
function TB_load_position() {
  var pagesize = TB_getPageSize();
  var arrayPageScroll = TB_getPageScrollTop();
  $("#TB_load")
    .css({left: (arrayPageScroll[0] + (pagesize[0] - 100)/2), top: (arrayPageScroll[1] + ((pagesize[1]-100)/2)) })
    .css({display:"block"});
}
function TB_parseQuery ( query ) {
  // return empty object
  if( !query )
    return {};
  var params = {};
  
  // parse query
  var pairs = query.split(/[;&]/);
  for ( var i = 0; i < pairs.length; i++ ) {
    var pair = pairs[i].split('=');
    if ( !pair || pair.length != 2 )
      continue;
    // unescape both key and value, replace "+" with spaces in value
    params[unescape(pair[0])] = unescape(pair[1]).replace(/\+/g, ' ');
   }
   return params;
}
function TB_getPageScrollTop(){
  var yScrolltop;
  var xScrollleft;
  if (self.pageYOffset || self.pageXOffset) {
    yScrolltop = self.pageYOffset;
    xScrollleft = self.pageXOffset;
  } else if (document.documentElement && document.documentElement.scrollTop || document.documentElement.scrollLeft ){   // Explorer 6 Strict
    yScrolltop = document.documentElement.scrollTop;
    xScrollleft = document.documentElement.scrollLeft;
  } else if (document.body) {// all other Explorers
    yScrolltop = document.body.scrollTop;
    xScrollleft = document.body.scrollLeft;
  }
  arrayPageScroll = new Array(xScrollleft,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;
}