/*
 * Gallery functionality below contains (edited) fragments of script:
 * Thickbox 3.1 by Cody Lindley (http://www.codylindley.com)
*/
      
var tb_pathToImage = "images/loadingAnimation.gif";
/*!!!!!!!!!!!!!!!!! edit below this line at your own risk !!!!!!!!!!!!!!!!!!!!!!!*/
var params = {};
//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,0);
  this.blur();
  return false;
  });
}

function tb_show(caption, url, imageGroup, itemIndex) {//function called when the user clicks on a thickbox link
  /*// lijstje van andere items
  IB_andereRubr = "";
  for (var i=((huidigePagina-1)*aantalPerPagina); i<inbeeldItems.length && i<(((huidigePagina-1)*aantalPerPagina)+aantalPerPagina); i++) {
    if (i!=itemIndex) {
      IB_andereRubr += "<a href=\"javascript:void(0)\" onclick=\"toonItemGroot('"+inbeeldItems[i].titel+"', 'showpicture.asp?vid="+inbeeldItems[i].fotoGrootID+"', 'gallery-inbeeld', "+i+")\">" + inbeeldItems[i].titel +"</a><br/>";
    }
  }*/

  //alert(caption +") ("+ url +") ("+ imageGroup +") ("+ itemIndex);
  if (itemIndex<0) itemIndex=0;
  if (itemIndex>=inbeeldItems.length) itemIndex = (inbeeldItems.length-1);
  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){ //if there is a query string involved
      baseURL = url.substr(0, url.indexOf("?"));
     }else{ 
         baseURL = url;
     }
     

    //code to show images
        
    TB_PrevCaption = "";
    TB_PrevURL = "";
    //TB_PrevHTML = "";
    TB_PrevHTML = "<div id='TB_prev' style='float:left; width:29px; height:20px'>&#160;</div>";
    TB_NextCaption = "";
    TB_NextURL = "";
    TB_NextHTML = "";
    TB_imageCount = "";
    TB_FoundURL = false;
    IB_itemIndex = 0;
    if(imageGroup){
      //TB_TempArray = $("a[@rel="+imageGroup+"]").get();
      TB_TempArray = inbeeldItems[actiefItem].groteFotosID;
      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)) {
        //tmpHref = TB_TempArray[TB_Counter].href.substr(TB_TempArray[TB_Counter].href.lastIndexOf("/")+1, TB_TempArray[TB_Counter].href.length);
        tmpHref = "showpicture.asp?vid=" + TB_TempArray[TB_Counter];
        //console.log(tmpHref+" "+url)
        if (!(tmpHref == url)) {
            if (TB_FoundURL) {
              IB_itemIndex = itemIndex;
              //TB_NextCaption = TB_TempArray[TB_Counter].title;
              //TB_NextURL = TB_TempArray[TB_Counter].href;
              //TB_NextURL = TB_TempArray[TB_Counter].href.substr(TB_TempArray[TB_Counter].href.lastIndexOf("/")+1, TB_TempArray[TB_Counter].href.length);
              TB_NextURL = "showpicture.asp?vid=" + TB_TempArray[TB_Counter];
              //TB_NextHTML = "<div id='TB_next' style='float:right; padding-left:5px'>&#160;&#160;<a href='#' style='text-decoration:none'><div style='display:inline;position:relative;top:-6px;color:#661167;font-size:11px'>"+TB_NextCaption+"</div><img src='images/pijltje-pag-rechts.gif' border='0' width='20' height='20'/></a></div>";
              TB_NextHTML = "<div id='TB_next' style='float:right; padding-left:5px'>&#160;&#160;<a href='#' style='text-decoration:none'><div style='display:inline;position:relative;top:-6px;color:#661167;font-size:11px'>&#160;</div><img src='images/pijltje-pag-rechts.gif' border='0' width='20' height='20'/></a></div>";
            } else {
              IB_itemIndex = itemIndex;
              //TB_PrevCaption = TB_TempArray[TB_Counter].title;
              //TB_PrevURL = TB_TempArray[TB_Counter].href;
              //TB_PrevURL = TB_TempArray[TB_Counter].href.substr(TB_TempArray[TB_Counter].href.lastIndexOf("/")+1, TB_TempArray[TB_Counter].href.length);
              TB_PrevURL = "showpicture.asp?vid=" + TB_TempArray[TB_Counter];
              //TB_PrevHTML = "<div id='TB_prev' style='float:left'>&#160;&#160;<a href='#' style='text-decoration:none'><img src='images/pijltje-pag-links.gif' border='0' width='20' height='20'/><div style='display:inline;position:relative;top:-6px;color:#661167;font-size:11px'>"+TB_PrevCaption+"</div></a></div>";
              TB_PrevHTML = "<div id='TB_prev' style='float:left'>&#160;&#160;<a href='#' style='text-decoration:none'><img src='images/pijltje-pag-links.gif' border='0' width='20' height='20'/><div style='display:inline;position:relative;top:-6px;color:#661167;font-size:11px'>&#160;</div></a></div>";
            }
          } else {
            TB_FoundURL = true;
            TB_imageCount = "Foto " + (TB_Counter + 1) +" van "+ (TB_TempArray.length);                      
          }
      }
    }
    imgPreloader = new Image();
    imgPreloader.onload = function() {
    	imgPreloader.onload = null;

    	// Resizing large images - orginal by Christian Montoya edited by Cody Lindley.
    	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 + 200;

    	var s;

    	s = "<a href='' id='TB_ImageOff' title='Close'><div class='TB_Bovenbalk1'></div>";
    	s += "<div class='TB_Bovenbalk2'></div><img id='TB_Image' src='" + url + "' width='" + imageWidth + "' height='" + imageHeight + "' alt='" + caption + "'/></a>";
    	s += "<div style='margin: 5px 15px 0 15px'><div id='itemTitel' class='TB_itemTitel'></div>&#160;";
    	s += "<div id='itemSubtitel' class='TB_itemSubtitel'>&#160;</div>&#160;&#160;";
    	s += "<div id='itemDatum' class='TB_itemDatum'>&#160;</div><div id='itemFotograaf'>&#160;</div><br/>";
    	s += "<div id='TB_secondLine'><div class='TB_Navigatie' style='width:" + imageWidth + "'>" + TB_PrevHTML;
    	s += "<div class='TB_numberimages'>" + TB_imageCount + "</div>" + TB_NextHTML + "</div>"; 
    	s += "</div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Close'>sluiten</a> </div></div>"



    	$("#TB_window").append(s);

    // item beschrijving velden invullen
    /*$("#TB_window div#itemTitel").html(inbeeldItems[itemIndex].titel);
    $("#TB_window div#itemSubtitel").html(inbeeldItems[itemIndex].subtitel);
    $("#TB_window div#itemFotograaf").html("Foto: " + inbeeldItems[itemIndex].fotograaf);
    $("#TB_window div#itemDatum").html(inbeeldItems[itemIndex].datum);*/
    $("#TB_window div#itemTitel").html(inbeeldItems[actiefItem].titel);
    $("#TB_window div#itemSubtitel").html(inbeeldItems[actiefItem].subtitel);
    $("#TB_window div#itemFotograaf").html("Foto: " + inbeeldItems[actiefItem].fotograaf);
    $("#TB_window div#itemDatum").html(inbeeldItems[actiefItem].datum);
    
    $("#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, IB_itemIndex-1);
        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, IB_itemIndex+1);        
        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;
    // end code to show images
    
    
    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;
  }
}