/*
 * Thy
 * Licensed under the MIT License: http://www.opensource.org/licenses/mit-license.php
*/

/*!!!!!!!!!!!!!!!!! edit below this line at your own risk !!!!!!!!!!!!!!!!!!!!!!!*/

//on page load call tb_init
jQuery(document).ready(function(){
	tb_init('a.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){
	jQuery(domChunk).click(function(){
		var t = this.title || this.name || null;
		var a = this.href || this.alt;
		var g = this.rel || false;
		var c = this.rev || false;
		var h = jQuery(this).next().attr("href") || null;

		tb_show(t,a,g,h,c);
		this.blur();
		return false;
	});
}

function tb_show(caption, url, imageGroup, hiresUrl, copyright) {//function called when the user clicks on a thickbox link
	try {
		if (typeof document.body.style.maxHeight === "undefined") {//if IE 6
			jQuery("body","html").css({height: "100%", width: "100%"});
			jQuery("html").css("overflow","hidden");
			if (document.getElementById("TB_HideSelect") === null) {//iframe to hide select elements in ie6
				jQuery("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
				jQuery("#TB_overlay").click(tb_remove);
			}
		}else{//all others
			if(document.getElementById("TB_overlay") === null){
				jQuery("body").append("<div id='TB_overlay'></div><div id='TB_window'></div>");
				jQuery("#TB_overlay").click(tb_remove);
			}
		}

		if(tb_detectMacXFF()){
			jQuery("#TB_overlay").addClass("TB_overlayMacFFBGHack");//use png overlay so hide flash
		}else{
			jQuery("#TB_overlay").addClass("TB_overlayBG");//use background and opacity
		}

		if(caption===null){caption="";}
		jQuery("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' /></div>");//add loader to the page
		jQuery('#TB_load').show();//show loader
//alert("url:"+url);
		var baseURL;

		// Cryms: URL of images can contain ? (mirror filter)
		//if(url.indexOf("?")!==-1){ //ff there is a query string involved
		//	baseURL = url.substr(0, url.indexOf("?"));
		//}else{
			baseURL = url;
		//}
//alert("baseURL:"+baseURL);
		var urlString = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;
		var urlType = baseURL.toLowerCase().match(urlString);

		if(urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp'){//code to show images
			TB_hires = hiresUrl;
			arrTBHires = [];
			TB_PrevCaption = "";
			TB_PrevCopyright = "";
			TB_PrevURL = "";
			TB_PrevHTML = "";
			TB_NextCaption = "";
			TB_NextCopyright = "";
			TB_NextURL = "";
			TB_NextHTML = "";
			TB_imageCount = "";
			TB_FoundURL = false;
			if(imageGroup){
				TB_TempArray = jQuery("a[rel="+imageGroup+"]").get();
				arrTBHires = jQuery("a.hires").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)) {
						TB_hires = jQuery(arrTBHires[TB_Counter-1]).attr("href");
						if (TB_FoundURL) {
							TB_NextCaption = TB_TempArray[TB_Counter].title;
							TB_NextCopyright = TB_TempArray[TB_Counter].rev;
							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_PrevCopyright = TB_TempArray[TB_Counter].rev;
							TB_PrevURL = TB_TempArray[TB_Counter].href;
							TB_PrevHTML = '<span id="TB_prev"><a href="#">previous</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 (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;
				//append image
				jQuery("#TB_window").append('<a href="" id="TB_ImageOff" title="Close"><img id="TB_Image" src="' + url + '" width="' + imageWidth + '" height="' + imageHeight + '" alt="' + caption + '"/></a>');

				if(!copyright) copyright = '&#169; Festival del film Locarno '+((new Date()).getFullYear()) ;
				//append caption
				jQuery("#TB_window").append('<div id="TB_caption">' + caption + '<br/><br/>'+copyright+'</div>');
				//append footer (paging, hires, close)
				var tblcode = '<table id="tbf">';
				tblcode += '<colgroup>';
				tblcode += '	<col class="tbf_c1" />';
				tblcode += '	<col class="tbf_c2" />';
				tblcode += '	<col class="tbf_c3" />';
				tblcode += '	<col class="tbf_c4" />';
				tblcode += '	<col class="tbf_c5" />';
				tblcode += '	<col class="tbf_c6" />';
				tblcode += '	<col class="tbf_c7" />';
				tblcode += '</colgroup>';
				tblcode += '<tr>';
				tblcode += '	<td><img src="img/x.gif" class="tbf_c1" height="1" alt="" /></td>';
				tblcode += '	<td><img src="img/x.gif" class="tbf_c2" height="1" alt="" /></td>';
				tblcode += '	<td><img src="img/x.gif" class="tbf_c3" height="1" alt="" /></td>';
				tblcode += '	<td><img src="img/x.gif" class="tbf_c4" height="1" alt="" /></td>';
				tblcode += '	<td><img src="img/x.gif" class="tbf_c5" height="1" alt="" /></td>';
				tblcode += '	<td><img src="img/x.gif" class="tbf_c6" height="1" alt="" /></td>';
				tblcode += '	<td><img src="img/x.gif" class="tbf_c7" height="1" alt="" /></td>';
				tblcode += '</tr>';
				tblcode += '<tr>';
				tblcode += '	<td class="bt br"><div id="TB_secondLine">' + TB_imageCount + '</div></td>';
				tblcode += '	<td class="bt br"><div id="tbhr"><a class="dwn" href="' + TB_hires + '" '+(TB_hires.indexOf('javascript:')!=0?'target="_new"':'')+'>download high-res</a></div></td>';
				tblcode += '	<td class="bt">' + TB_PrevHTML + '</td>';
				tblcode += '	<td class="bt br">' + TB_NextHTML + '</td>';
				tblcode += '	<td class="bt br"></td>';
				tblcode += '	<td class="bt br"><div id="TB_closeWindow"><a href="#" id="TB_closeWindowButton">close</a></div></td>';
				tblcode += '	<td class="bt"></td>';
				tblcode += '</tr>';
				tblcode += '</table>';

				jQuery("#TB_window").append(tblcode);

				jQuery("#TB_closeWindowButton").click(tb_remove);

				if (!(TB_PrevHTML === "")) {
					function goPrev(){
						if(jQuery(document).unbind("click",goPrev)){jQuery(document).unbind("click",goPrev);}
						jQuery("#TB_window").remove();
						jQuery("body").append("<div id='TB_window'></div>");
						tb_show(TB_PrevCaption, TB_PrevURL, imageGroup, TB_hires, TB_PrevCopyright);
						return false;
					}
					jQuery("#TB_prev").click(goPrev);
				}

				if (!(TB_NextHTML === "")) {
					function goNext(){
						jQuery("#TB_window").remove();
						jQuery("body").append("<div id='TB_window'></div>");
						tb_show(TB_NextCaption, TB_NextURL, imageGroup, TB_hires, TB_NextCopyright);
						return false;
					}
					jQuery("#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();
				jQuery("#TB_load").remove();
				jQuery("#TB_ImageOff").click(tb_remove);
				jQuery("#TB_window").css({display:"block"}); //for safari using css instead of show
				jQuery("#TB_window").css("background-color","#fff"); //design workaround (constraint for iframe needing bgcolor)
			};

			imgPreloader.src = url;
		}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) + 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){// either iframe or ajax window
				urlNoQuery = url.split('TB_');
				jQuery("#TB_iframeContent").remove();
				if(params['modal'] != "true"){//iframe no modal
					jQuery("#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"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px; height:"+(ajaxContentH + 17)+"px;'></iframe>");
				}else{//iframe modal
				jQuery("#TB_overlay").unbind();
					jQuery("#TB_window").append("<iframe frameborder='0' hspace='0' src='"+url+"' 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(jQuery("#TB_window").css("display") != "block"){
					if(params['modal'] != "true"){//ajax no modal
					jQuery("#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{//ajax modal
					jQuery("#TB_overlay").unbind();
					jQuery("#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
					jQuery("#TB_ajaxContent")[0].style.width = ajaxContentW +"px";
					jQuery("#TB_ajaxContent")[0].style.height = ajaxContentH +"px";
					jQuery("#TB_ajaxContent")[0].scrollTop = 0;
					jQuery("#TB_ajaxWindowTitle").html(caption);
				}
			}
			jQuery("#TB_closeWindowButton").click(tb_remove);
			if(url.indexOf('TB_inline') != -1){
				jQuery("#TB_ajaxContent").append(jQuery('#' + params['inlineId']).children());
				jQuery("#TB_window").unload(function () {
					jQuery('#' + params['inlineId']).append( jQuery("#TB_ajaxContent").children() ); // move elements back when you're finished
				});
				tb_position();
				jQuery("#TB_load").remove();
				jQuery("#TB_window").css({display:"block"});
			}else if(url.indexOf('TB_iframe') != -1){
				tb_position();
				if (jQuery.browser.safari) {//safari needs help because it will not fire iframe onload
					jQuery("#TB_load").remove();
					jQuery("#TB_window").css({display:"block"});
				}
			}else{
				jQuery("#TB_ajaxContent").load(url += "&random=" + (new Date().getTime()),function(){//to do a post change this load method
					tb_position();
					jQuery("#TB_load").remove();
					tb_init("#TB_ajaxContent a.thickbox");
					jQuery("#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(){
	jQuery("#TB_load").remove();
	jQuery("#TB_window").css({display:"block"});
}

function tb_remove() {
	jQuery("#TB_imageOff").unbind("click");
	jQuery("#TB_closeWindowButton").unbind("click");
	jQuery("#TB_window").fadeOut("fast",function(){jQuery('#TB_window,#TB_overlay,#TB_HideSelect').trigger("unload").unbind().remove();});
	jQuery("#TB_load").remove();
	if (typeof document.body.style.maxHeight == "undefined") {//if IE 6
		jQuery("body","html").css({height: "auto", width: "auto"});
		jQuery("html").css("overflow","");
	}
	document.onkeydown = "";
	document.onkeyup = "";
	return false;
}

function tb_position() {
jQuery("#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
		jQuery("#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;
	}
}