/*
 * Thickbox 3.1
 * Copyright (c) 2007 Cody Lindley http://www.codylindley.com
 * Licensed under the MIT License: http://www.opensource.org/licenses/mit-license.php
 * Modified 2007 by Tobia Conforto <tobia.conforto@gruppo4.com>
 */

var tb_loadingImg = "/img/loadingbar.gif";
var tb_closeImg = "/img/close.gif";
var tb_playImg = "/img/play.gif";
var tb_pauseImg = "/img/pause.gif";
var tb_autoslideshow = true;
var tb_timer = 5000;

// END OF CONFIGURATION

var tb_slideshow = null;
var tb_timeout = null;

$(document).ready(function() {
	// on page load call tb_init
	tb_init('a.thickbox, area.thickbox, input.thickbox');
	// preload "loading" image
	imgLoader = new Image();
	imgLoader.src = tb_loadingImg;
});

function tb_init(domChunk) {
	// add thickbox to href & area elements that have a class of .thickbox
	$(domChunk).click(function() {
		var caption = this.title || this.name || null;
		var url = this.href || this.alt;
		var imageGroup = this.rel || false;
		var full = this.className.match(/\bfull\b/);
		tb_slideshow = tb_autoslideshow;
		tb_show(caption, url, imageGroup, full);
		this.blur();
		return false;
	});
}

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

	var TB_window = "<div id='TB_window'" + (full ? " class='full'": "") + "></div>";
	//try { //DEBUG
	if (typeof document.body.style.maxHeight === "undefined") { //if IE 6
		if (! full) {
			$("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>"
					+ TB_window );
			$("#TB_overlay").click(tb_remove);
		}
	} else { //other browsers
		if(document.getElementById("TB_overlay") === null) {
			$("body").append("<div id='TB_overlay'></div>" + TB_window);
			$("#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="&#160;";

	//add loader
	$("<div id='TB_load'><img src='"+imgLoader.src+"' alt='Loading...'/></div>").appendTo('body').show();

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

	var re_url = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;

	if (baseURL.toLowerCase().match(re_url)) {
		// 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();
			for (TB_Counter = 0; ((TB_Counter < TB_TempArray.length) && (TB_NextHTML === "")); TB_Counter++) {
				var urlTypeTemp = TB_TempArray[TB_Counter].href.toLowerCase().match(re_url);
					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='#'>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='#'>PREV</a></span>";
						}
					} else {
						TB_FoundURL = true;
						TB_imageCount = "Image " + (TB_Counter + 1) +" of "+ (TB_TempArray.length);
					}
			}
		}

		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 (! full)
				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'>"
					+ "<div id='TB_firstLine'>" + TB_NextHTML + TB_PrevHTML + "</div>"
					+ "<div id='TB_text'>"
						+ (TB_NextHTML
							? "<div id='TB_playPause'>"
								+ "<a href='#' id='TB_playPauseButton' title='Play / pause the slideshow'>"
								+ "<img src='"+ (tb_slideshow ? tb_pauseImg : tb_playImg) +"' alt='PLAY/PAUSE'/></a></div>"
							: '')
						+ "<div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Press Esc to close'>"
							+ "<img src='"+tb_closeImg+"' alt='CLOSE'/></a></div>"
						+ caption + "</div>"
				+ "</div>");

			$("#TB_closeWindowButton").click(tb_remove);

			if (!(TB_PrevHTML === "")) {
				function goPrev(){
					if (tb_timeout) {
						clearTimeout(tb_timeout);
						tb_timeout = null;
					}
					if($(document).unbind("click",goPrev)){$(document).unbind("click",goPrev);}
					$("#TB_window").remove();
					$("body").append(TB_window);
					tb_show(TB_PrevCaption, TB_PrevURL, imageGroup);
					return false;
				}
				$("#TB_prev").click(goPrev);
			}

			if (!(TB_NextHTML === "")) {
				function goNext(){
					if (tb_timeout) {
						clearTimeout(tb_timeout);
						tb_timeout = null;
					}
					$("#TB_window").remove();
					$("body").append(TB_window);
					tb_show(TB_NextCaption, TB_NextURL, imageGroup);
					return false;
				}
				$("#TB_next").click(goNext);

				$('#TB_playPauseButton').click(function() {
					if (tb_slideshow) {
						$(this).children('img').attr({ src: tb_playImg });
						clearTimeout(tb_timeout);
						tb_timeout = null;
						tb_slideshow = false;
					} else {
						$(this).children('img').attr({ src: tb_pauseImg });
						tb_timeout = setTimeout(goNext, tb_timer / 4);
						tb_slideshow = true;
					}
					this.blur();
					return false;
				});

				if (imageGroup && tb_slideshow)
					tb_timeout = setTimeout(goNext, tb_timer);
			} //else
				//if (imageGroup && tb_autoslideshow) tb_timeout = setTimeout(tb_remove, tb_timer);

			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(full);
			$("#TB_load").remove();
			if (! (TB_NextHTML == ""))
				$("#TB_ImageOff").click(goNext);
			else
				$("#TB_ImageOff").click(tb_remove);
			$("#TB_window").css({display:"block"}); //for safari using css instead of show
		};

		imgPreloader.src = url;
		if (imgPreloader.complete && imgPreloader.onload)
			imgPreloader.onload();
		setTimeout(function() {
			if (imgPreloader.complete && imgPreloader.onload)
				imgPreloader.onload();
		}, 100);

	} else if (baseURL.toLowerCase().match(/.*\.swf$/)) {

		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) + 30 || 440; //defaults to 440 if no paramaters were added to URL
		ajaxContentW = TB_WIDTH - 30;
		ajaxContentH = TB_HEIGHT - 30;

		$("#TB_iframeContent").remove();
		$("#TB_window").append(
			"<object id='TB_Object' type='application/x-shockwave-flash' data='"+baseURL+"' "
					+ "width='"+ajaxContentW+"' height='"+ajaxContentH+"'>"
				+ "<param name='movie' value='"+baseURL+"'/>"
				+ "<param name='quality' value='high'/></object>"
			+ "<div id='TB_caption'>"
				//+ "<div id='TB_firstLine'>" + TB_NextHTML + TB_PrevHTML + "</div>"
				+ "<div id='TB_text'>"
					+"<div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Press Esc to close'>"
						+ "<img src='"+tb_closeImg+"' alt='CLOSE'/></a></div>"
					+ caption + "</div>"
				//+ "<div id='TB_secondLine'>" + TB_imageCount + "</div>"
			+ "</div>");

		$("#TB_closeWindowButton").click(tb_remove);

		document.onkeydown = function(e){
			if (e == null) { // ie
				keycode = event.keyCode;
			} else { // mozilla
				keycode = e.which;
			}
			if(keycode == 27) // close
				tb_remove();
		}

		tb_position(full);
		$("#TB_load").remove();
		$("#TB_window").css({display:"block"});

	}else{//code to show html

		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) + 30 || 440; //defaults to 440 if no paramaters were added to URL
		ajaxContentW = TB_WIDTH - 30;
		ajaxContentH = TB_HEIGHT - 30;

		if(url.indexOf('TB_iframe') != -1){// either iframe or ajax window
				urlNoQuery = url.split('TB_');
				$("#TB_iframeContent").remove();
				if(params['modal'] != "true"){//iframe no modal
					$("#TB_window").append(
						"<iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' "
							+ "name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' "
							+ "style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;' > </iframe>"
						+ "<div id='TB_caption'>"
							//+ "<div id='TB_firstLine'>" + TB_NextHTML + TB_PrevHTML + "</div>"
							+ "<div id='TB_text'>"
								+"<div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Press Esc to close'>"
									+ "<img src='"+tb_closeImg+"' alt='CLOSE'/></a></div>"
								+ caption + "</div>"
							//+ "<div id='TB_secondLine'>" + TB_imageCount + "</div>"
						+ "</div>");
				}else{//iframe modal
				$("#TB_overlay").unbind();
					$("#TB_window").append("<iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;'> </iframe>");
				}
		}else{// not an iframe, ajax
				if($("#TB_window").css("display") != "block"){
					if(params['modal'] != "true"){//ajax no modal
					$("#TB_window").append(
							"<div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px'></div>"
						+ "<div id='TB_caption'>"
						+ "<div id='TB_text'>"
							+ "<div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Press Esc to close'>"
								+ "<img src='"+tb_closeImg+"' alt='CLOSE'/></a></div>"
							+ caption + "</div></div>");

					}else{//ajax modal
					$("#TB_overlay").unbind();
					$("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
					}
				}else{//this means the window is already up, we are just loading new content via ajax
					$("#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){
				$("#TB_ajaxContent").append($('#' + params['inlineId']).children());
				$("#TB_window").unload(function () {
					$('#' + params['inlineId']).append( $("#TB_ajaxContent").children() ); // move elements back when you're finished
				});
				tb_position(full);
				$("#TB_load").remove();
				$("#TB_window").css({display:"block"});
			}else if(url.indexOf('TB_iframe') != -1){
				tb_position(full);
				if($.browser.safari){//safari needs help because it will not fire iframe onload
					$("#TB_load").remove();
					$("#TB_window").css({display:"block"});
				}
			}else{
				$("#TB_ajaxContent").load(url += "&random=" + (new Date().getTime()),function(){//to do a post change this load method
					tb_position(full);
					$("#TB_load").remove();
					tb_init("#TB_ajaxContent a.thickbox");
					$("#TB_window").css({display:"block"});
				});
			}

	}

	if(!params || !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) {} //DEBUG
}

function tb_showIframe(){
	$("#TB_load").remove();
	$("#TB_window").css({display:"block"});
}

function tb_remove() {
	if (tb_timeout) {
		clearTimeout(tb_timeout);
		tb_timeout = null;
	}
 	$("#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" && $("html").css("overflow") == 'hidden') {//if IE 6
		$("body","html").css({height: "auto", width: "auto"});
		$("html").css("overflow","");
	}
	document.onkeydown = "";
	document.onkeyup = "";
	return false;
}

function tb_position(full) {
	$("#TB_window").css({marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH + 'px'});
	if (! full && ! (jQuery.browser.msie && jQuery.browser.version < 7)) { // not IE5, 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;
  }
}
