/*
 * Thickbox 2.1 - One Box To Rule Them All.
 * By Cody Lindley (http://www.codylindley.com)
 * Copyright (c) 2006 cody lindley
 * Licensed under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 * Thickbox is built on top of the very light weight jQuery library.
 * Modified by Jens Martsch (arrow navigation, ESC Key)
 */

// check if text variables are set
if (!thickbox_text_image){
    var thickbox_text_image     =   'Image';
    var thickbox_text_from      =   'from';
    var thickbox_text_close     =   'close';
    var thickbox_text_next      =   'next Image';
    var thickbox_text_previous  =   'previous Image';
}
//on page load call TB_init
$(document).ready(TB_init);

// add compatibility to other lightbox scripts so you can replace it
function initLightbox(){
    $("a[@rel*='lightbox'], a[@class*='lightbox']").addClass('thickbox');
    el = $("a[@rel*='lightbox'],a[@class*='lightbox']").each(function(){
        if (this.rel) this.rel = $(this).attr("rel").replace('lightbox[','').replace(']','');
    });
}

//add thickbox to href elements that have a class of .thickbox
function TB_init(){
    initLightbox();
	$("a.thickbox").click(function(){
	var t = this.title || this.name || null;
	var g = this.rel || false;
	TB_show(t,this.href,g);
	this.blur();
	return false;
	});
};

function TB_show(caption, url, imageGroup) {//function called when the user clicks on a thickbox link

	try {
		if (document.getElementById("TB_HideSelect") == null) {
		$("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
		$("#TB_overlay").click(TB_remove);
		}

		if(caption==null){caption=""};

		//$(window).scroll(TB_position);

		TB_overlaySize();
// 		if  ($("#TB_logo").size() < 1 )
// 		{
// 			$("body").append("<div id='TB_logo'><img src='zubehoer/thickbox_mod/logo.gif' /></div>");
// 		}
		$("body").append("<div id='TB_load'><img src='zubehoer/thickbox_mod/loadingAnimation.gif' /></div>");
		$("#TB_logo").click(TB_remove);

		TB_load_position();

		if(url.indexOf("?")!==-1){ //If there is a query string involved
			var baseURL = url.substr(0, url.indexOf("?"));
	   }else{
	   		var baseURL = url;
	   }

		var urlString = /\.jpg|\.jpeg|\.png|\.gif|\.html|\.htm|\.php|\.cfm|\.asp|\.aspx|\.jsp|\.jst|\.rb|\.txt|\.bmp/g;
		var urlType = url.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+"]").get();
				if (TB_TempArray.length > 1){
				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'><a href='#'><img src='zubehoer/thickbox_mod/next.png' alt='"+thickbox_text_next+"'></a></span>";
							} else {
								TB_PrevCaption = TB_TempArray[TB_Counter].title;
								TB_PrevURL = TB_TempArray[TB_Counter].href;
								TB_PrevHTML = "<span id='TB_prev'><a href='#'><img src='zubehoer/thickbox_mod/previous.png' alt='"+thickbox_text_previous+"'></a></span>";
							}
						} else {
							TB_FoundURL = true;
							TB_imageCount = thickbox_text_image+" <strong>" + (TB_Counter + 1) +"</strong> "+thickbox_text_from+" <strong>"+ (TB_TempArray.length)+"</strong>";
						}
                    }

				if (TB_PrevHTML == "")
					TB_PrevHTML = "<span id='TB_prev'><img src='zubehoer/thickbox_mod/previous_f2.png'></span>";
				if (TB_NextHTML == "")
					TB_NextHTML = "<span id='TB_next'><img src='zubehoer/thickbox_mod/next_f2.png'></span>";
                }
			}

			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

			if ( imageWidth < 190 )
				TB_WIDTH = 220;
			else
				TB_WIDTH = imageWidth + 30;

			TB_HEIGHT = imageHeight + 60;
			$("#TB_window").append("<div id='TB_title' class='clearfix'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'><img src='zubehoer/thickbox_mod/close.png' alt='"+thickbox_text_close+"'></a></div></div>");
			$("#TB_window").append("<br clear=\"all\"><div id='TB_secondLine'>" + TB_PrevHTML + TB_imageCount + TB_NextHTML + "</div>");
			$("#TB_window").append("<a href='' id='TB_ImageOff' title='"+thickbox_text_close+"'><img id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/></a>");

			$("#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>");
// 					$(document).unkeyup();
					$(document).unbind("keyup");
					TB_show(TB_PrevCaption, TB_PrevURL, imageGroup);
					return false;
				}

				$("#TB_prev a").click(goPrev);

				$(document).keyup( function(e){ var key = e.keyCode; ;  if(key == 37 && $("#TB_prev img").get(0).src.match(/_f2\.png/) == null){goPrev()} });
			}



			if (!(TB_NextHTML == "")) {
				function goNext(){
                    $("#TB_window").remove();
					$("body").append("<div id='TB_window'></div>");
// 					$(document).unkeyup();
					$(document).unbind("keyup");
					TB_show(TB_NextCaption, TB_NextURL, imageGroup);
					return false;
				}

				$("#TB_next a").click(goNext);

				$(document).keyup( function(e){ var key = e.keyCode; if(key == 39 && $("#TB_next img").get(0).src.match(/_f2\.png/) == null){goNext()} });
			}



			TB_position();
			$("#TB_load").remove();
			$("#TB_ImageOff").click(TB_remove);
			$("#TB_window").css({display:"block"});
			};

			imgPreloader.src = url;
		}

		if(urlType=='.htm'||urlType=='.html'||urlType=='.php'||urlType=='.asp'||urlType=='.aspx'||urlType=='.jsp'||urlType=='.jst'||urlType=='.rb'||urlType=='.txt'||urlType=='.cfm' || (url.indexOf('TB_inline') != -1) || (url.indexOf('TB_iframe') != -1) ){//code to show html pages

			var queryString = url.replace(/^[^\?]+\??/,'');
			var params = TB_parseQuery( queryString );

			TB_WIDTH = (params['width']*1) + 30;
			TB_HEIGHT = (params['height']*1) + 40;
			ajaxContentW = TB_WIDTH - 30;
			ajaxContentH = TB_HEIGHT - 45;

			if(url.indexOf('TB_iframe') != -1){
					urlNoQuery = url.substr(0,TB_strpos(url, "?"));
					$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton' title='schließen'><img src='zubehoer/thickbox_mod/close.png'></a></div></div><iframe src='"+urlNoQuery+"' id='TB_iframeContent' style='width:"+(ajaxContentW + 30)+"px;height:"+(ajaxContentH + 18)+"px;'></iframe>");
				}else{
					$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton' title='schließen'><img src='zubehoer/thickbox_mod/close.png'></a></div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></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){
					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).bind("keyup", function(e){
// 				if (!e) { // ie
// 					keycode = event.keyCode;
// 					alert(keycode);
// 				} else { // mozilla
// 					keycode = e.which;
// 				}
				var keycode = e.keyCode
				if(keycode == 27){ // close
					TB_remove();
				}
            });

	} catch(e) {
		alert( e );
	}
};

//helper functions below

function TB_remove() {
// 	$("#TB_window").fadeOut("fast",function(){$('#TB_overlay').fadeOut("fast",function(){
//         $('#TB_window,#TB_overlay,#TB_HideSelect,#TB_load,#TB_logo,TB_load img').remove();
//     });});
    $('#TB_window,#TB_overlay,#TB_HideSelect,#TB_load,#TB_logo,TB_load img').remove();
// 	$(document).unkeyup();
	$(document).unbind("keyup");
	return false;
};

function TB_position() {
	var pagesize = TB_getPageSize();
	var arrayPageScroll = TB_getPageScrollTop();

	top_window_position = ( arrayPageScroll[1] + ( ( pagesize[1]-TB_HEIGHT ) / 2 ) );
	left_window_position = ( ( pagesize[0] - TB_WIDTH ) / 2 );

	if ( pagesize[1] < 600 )
		top_window_position = ( arrayPageScroll[1] + 5 );
	else
		top_window_position = ( arrayPageScroll[1] + 50 );


	$("#TB_window").css({width:TB_WIDTH+"px",left:left_window_position+"px" , top: top_window_position+"px" });
	TB_overlaySize();
	$("#TB_logo").css({left: "20px", top: (arrayPageScroll[1] + ((pagesize[1]-150)))+"px" })
	.css({display:"block"});
};

function TB_overlaySize(){
	if (window.innerHeight && window.scrollMaxY) {
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		yScroll = document.body.offsetHeight;
  	}
	$("#TB_overlay").css("height",yScroll +"px");
	$("#TB_HideSelect").css("height",yScroll +"px");
};

function TB_load_position() {
	var pagesize = TB_getPageSize();
	var arrayPageScroll = TB_getPageScrollTop();

	$("#TB_load").css({left: ((pagesize[0] - 100)/2)+"px", top: (arrayPageScroll[1] + ((pagesize[1]-100)/2))+"px" })
	.css({display:"block"});
	$("#TB_logo").css({left: "20px", top: (arrayPageScroll[1] + ((pagesize[1]-150)))+"px" })
	.css({display:"block"});
};

function TB_parseQuery ( query ) {
   var Params = new Object ();
   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_getPageScrollTop(){
	var yScrolltop;
	if (self.pageYOffset) {
		yScrolltop = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScrolltop = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScrolltop = document.body.scrollTop;
	}
	arrayPageScroll = new Array('',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;
};

function TB_strpos(str, ch) {
    for (var i = 0; i < str.length; i++)
    if (str.substring(i, i+1) == ch) return i;
    return -1;
};