/*
 * 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/loadingAnimation.gif";
var tb_txt_close          = "sluiten";
var tb_txt_close_addition = " ";
var tb_txt_next           = "volgende";
var tb_txt_prev           = "vorige";
var tb_txt_image          = "Afbeelding";
var tb_txt_of             = "van";
var tb_txt_image_error    = "De afbeelding kan niet worden geopend.";

/*!!!!!!!!!!!!!!!!! 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'>");
				$("#TB_overlay").click(tb_remove);
			}
		}
		
		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|\.swf/g;
	   var urlType = baseURL.toLowerCase().match(urlString);

		if (urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp' || urlType == '.swf')
    {
      //code to show images / video

			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='#'>" + tb_txt_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; " + tb_txt_prev + "</a></span>";
							}
						} else {
							TB_FoundURL = true;
							TB_imageCount = tb_txt_image + " " + (TB_Counter + 1) +" " + tb_txt_of + " "+ (TB_TempArray.length);											
						}
				}
			}

      if (urlType == '.swf')
      {
        // code to show video 
        
        var embed = '<object type="application/x-shockwave-flash" width="640" height="480" data="' + url + '"  classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"> <param name="flashvars" value="flickr_show_info_box=false"></param> <param name="movie" value="' + url + '"></param><param name="bgcolor" value="#000000"></param><param name="allowFullScreen" value="true"></param><embed type="application/x-shockwave-flash" src="' + url + '" bgcolor="#000000" allowfullscreen="true" flashvars="flickr_show_info_box=false" height="480" width="640"></embed></object>';
        
			  TB_WIDTH  = 640 + 30;
			  TB_HEIGHT = 480 + 60;
        
			  $("#TB_window").append('<div id="TB_embed">' + embed + "</div><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'>" + tb_txt_close + "</a>" + tb_txt_close_addition + "</div>");
			  $("#TB_closeWindowButton").click(tb_remove);
        
			  if (!(TB_PrevHTML === ""))
        {
          // Preload prev image
          nextImage = new Image();
          nextImage.src = TB_PrevURL;
            
          function goPrev() {
            if($(document).unbind("click",goPrev)){$(document).unbind("click",goPrev);} 
            return tb_navigation(TB_PrevCaption, TB_PrevURL, imageGroup)
          }
				  $("#TB_prev").click(goPrev);
        }
        
  			if (!(TB_NextHTML === ""))
        {
          // Preload next image
          nextImage = new Image();
          nextImage.src = TB_NextURL;
            
				  function goNext(){ return tb_navigation(TB_NextCaption, TB_NextURL, imageGroup);}
				  $("#TB_next").click(goNext);
			  }

			  document.onkeydown = function(e){ return tb_keypress(e, TB_NextHTML, TB_PrevHTML, goNext, goPrev);};
        
			  tb_position();
			  $("#TB_load").remove();
			  $("#TB_window").css({display:"block"}); //for safari using css instead of show
      }
      else
      {
        // code to show image
			  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'>" + tb_txt_close + "</a>" + tb_txt_close_addition + "</div>"); 		
			    
			    $("#TB_closeWindowButton").click(tb_remove);
			    
			    if (!(TB_PrevHTML === "")) {
            // Preload prev image
            nextImage = new Image();
            nextImage.src = TB_PrevURL;
				    function goPrev(){
					    if($(document).unbind("click",goPrev)){$(document).unbind("click",goPrev);}
              return tb_navigation(TB_PrevCaption, TB_PrevURL, imageGroup);
				    }
				    $("#TB_prev").click(goPrev);
			    }
			    
			    if (!(TB_NextHTML === "")) {
            // Preload next image
            nextImage = new Image();
            nextImage.src = TB_NextURL;
				    function goNext(){ return tb_navigation(TB_NextCaption, TB_NextURL, imageGroup);}
				    $("#TB_next").click(goNext);
			    }

			    document.onkeydown = function(e){ return tb_keypress(e, TB_NextHTML, TB_PrevHTML, goNext, goPrev);};
			    
			    tb_position();
			    $("#TB_load").remove();
			    $("#TB_ImageOff").click(tb_remove);
			    $("#TB_window").css({display:"block"}); //for safari using css instead of show
			  };
        imgPreloader.onerror = function(){
          alert(tb_txt_image_error);
          tb_remove();
        }
			  
			  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_');		
					$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton' title='Close'>close</a> or Esc Key</div></div><iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;' onload='tb_showIframe()'> </iframe>");
				}else{
					if($("#TB_window").css("display") != "block"){
						if(params['modal'] != "true"){
						$("#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{
						$("#TB_overlay").unbind();
						$("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");	
						}
					}else{
						$("#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){	
					$("#TB_ajaxContent").html($('#' + 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 += "&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_overlay").unbind("click");
	$("#TB_closeWindowButton").unbind("click");
	$("#TB_window").fadeOut("fast",function(){$('#TB_window,#TB_overlay,#TB_HideSelect').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 = "";
	return false;
}

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

/* Navigation helpers */
function tb_navigation(caption, url, imageGroup)
{
  $("#TB_window").remove();
  $("body").append("<div id='TB_window'></div>");
  tb_show(caption, url, imageGroup);
  return false;	
}

function tb_keypress(e, nextHtml, prevHtml, nextFunction, prevFunction)
{
	if (e == null) { // ie
		keycode = event.keyCode;
	} else { // mozilla
		keycode = e.which;
	}

	if(keycode == 27){ // close
		tb_remove();
	} else if(keycode == 190 || keycode==39 || keycode==54){ // display next image
		if(!(nextHtml == "")){
			document.onkeydown = "";
			nextFunction();
		} else {
      tb_remove();
    }
	} else if(keycode == 188 || keycode==37 || keycode==8 || keycode==52){ // display previous image
		if(!(prevHtml == "")){
			document.onkeydown = "";
			prevFunction();
		} else {
      tb_remove(); 
    }
    if(keycode==8)
      return false;
	}
}