$(document).ready(function(){
	tb_init('a.thickbox');
	i = new Image();
	i.src = 'inc/img/loadingAnimation.gif';
});

function tb_init(domChunk){
	$(domChunk).click(function() {
		tb_show(this.href, this.rel);
		this.blur();
		return false;
	});
}

function tb_overlay(ctc) {
	try {
		if(document.getElementById("TB_overlay") === null){
			$("body").append("<div id='TB_overlay'></div><div id='TB_window'></div>");
			if (ctc) $("#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
		}
	} catch(e) {}
}

function tb_progress(ctc) {
	try {
		tb_overlay(ctc);
		$("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' /></div>");//add loader to the page
		$('#TB_load').show();//show loader
	} catch(e) {}
}

function tb_show(url, imageGroup) {
	try {
		tb_progress(true);

		// Add image controls
		$("body").append("<div id='TB_controls'></div>");

		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$/;
		var urlType = baseURL.toLowerCase().match(urlString);

		TB_PrevURL = "";
		TB_PrevHTML = "";
		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_NextURL = TB_TempArray[TB_Counter].href;
							TB_NextHTML = "<a href='' id='TB_next'>Další foto</a>";
						} else {
							TB_PrevURL = TB_TempArray[TB_Counter].href;
							TB_PrevHTML = "<a href='' id='TB_prev'>Předchozí foto</a>";
						}
					} else {
						TB_FoundURL = true;
						TB_imageCount = '<div id="TB_counter">' + (TB_Counter + 1) + '/'+ (TB_TempArray.length) + '</div>';
					}
			}
		}

		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_controls").append("<div><a href='' id='TB_ImageOff' class='TB_ImageOff' title='Close'>Zavřít</a>" + TB_PrevHTML + TB_imageCount + TB_NextHTML + "</div>");
		$("#TB_window").append("<img id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' />" + "<div id='TB_caption'></div>");

		if (!(TB_PrevHTML === "")) {
			function goPrev(){
				if($(document).unbind("click",goPrev)){$(document).unbind("click",goPrev);}
				$("#TB_controls").remove();
				$("#TB_window").remove();
				$("body").append("<div id='TB_window'></div>");
				tb_show(TB_PrevURL, imageGroup);
				return false;
			}
			$("#TB_prev").click(goPrev);
		}

		if (!(TB_NextHTML === "")) {
			function goNext(){
				$("#TB_controls").remove();
				$("#TB_window").remove();
				$("body").append("<div id='TB_window'></div>");
				tb_show(TB_NextURL, imageGroup);
				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;

		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) {}
}

function tb_remove() {
 	$("#TB_imageOff").unbind("click");
	$("#TB_window").fadeOut("fast",function(){$('#TB_controls,#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_getPageSize(){
	var d = document.documentElement;
	var w = window.innerWidth || self.innerWidth || (d&&d.clientWidth) || document.body.clientWidth;
	var h = window.innerHeight || self.innerHeight || (d&&d.clientHeight) || document.body.clientHeight;
	return [w,h];
}

function tb_detectMacXFF() {
  var userAgent = navigator.userAgent.toLowerCase();
  if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1) {
    return true;
  }
}