/*
 * Thickbox 3.3 - One Box To Rule Them All.
 * By Cody Lindley (http://www.codylindley.com)
 * Copyright (c) 2007 cody lindley
 * Licensed under the MIT License: http://www.opensource.org/licenses/mit-license.php
 * @version 3.4
 * @changelog:
 *   * 3.2: Added support for sets of HTML thickboxes (rather than just for images)
 *   * 3.3: Replace function links with buttons
 *   * 3.4: Next/Prev actions markup updated
*/
		  
var tb_pathToImage = "/assets/images/loadingAnimation.gif";

/*!!!!!!!!!!!!!!!!! edit below this line at your own risk !!!!!!!!!!!!!!!!!!!!!!!*/

/* 23/02/2009: Custom plugin function for thickbox */
$.fn.thickbox = function () {
	tb_init(this);
};

//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).addClass('active').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,this);
	this.blur();
	return false;
	});
}

function tb_show(caption, url, imageGroup, clikedDOMElement) {//function called when the user clicks on a thickbox link
	
	
	closeButtonMarkup = '<button id="TB_closeWindowButton">Close</button>';
	prevButtonMarkup = '<a id="TB_prev">Previous</a>';
	nextButtonMarkup = '<a id="TB_next">Next</a>';
	
	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){ //ff there is a query string involved
			baseURL = url.substr(0, url.indexOf("?"));
	   }else{ 
	   		baseURL = url;
	   }
	   
		TB_PrevCaption = "";
		TB_PrevURL = "";
		TB_PrevHTML = "";
		TB_NextCaption = "";
		TB_NextURL = "";
		TB_NextHTML = "";
		TB_imageCount = "";
		TB_FoundURL = false;
		/* 24/02/2009: grouping can now be used on non-image lightboxes also */
			if(imageGroup){
				//alert('test');
				TB_GroupMembersArray = $("a[rel="+imageGroup+"]").get();
				//alert(TB_GroupMembersArray.length);
				for (TB_GMCounter = 0; ((TB_GMCounter < TB_GroupMembersArray.length) && (TB_NextHTML === "")); TB_GMCounter++) {
					var urlTypeTemp = TB_GroupMembersArray[TB_GMCounter].href.toLowerCase().match(urlString);
						if (!(TB_GroupMembersArray[TB_GMCounter].href == url)) {						
							if (TB_FoundURL) {
								TB_NextCaption = TB_GroupMembersArray[TB_GMCounter].title;
								TB_NextURL = TB_GroupMembersArray[TB_GMCounter].href;
								//TB_NextHTML = "<span id='TB_next'><a href='#'>Next</a></span>";
								TB_NextHTML = nextButtonMarkup;
							} else {
								TB_PrevCaption = TB_GroupMembersArray[TB_GMCounter].title;
								TB_PrevURL = TB_GroupMembersArray[TB_GMCounter].href;
								//TB_PrevHTML = "<span id='TB_prev'><a href='#'>Previous</a></span>";
								TB_PrevHTML = prevButtonMarkup;
							}
						} else {
							TB_FoundURL = true;
							TB_imageCount = (TB_GMCounter + 1) +" of "+ (TB_GroupMembersArray.length);											
						}
				}
				
			}
			
			
		
	   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
			
			
			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_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'>"+caption+"</div><div id='TB_closeWindow'>"+closeButtonMarkup+"</div>"); 		
			
			$("#TB_closeWindowButton").click(tb_remove);
			
			setupNextPrev (TB_imageCount, TB_PrevHTML, TB_NextHTML, TB_PrevURL, TB_NextURL, TB_PrevCaption, TB_NextCaption, imageGroup)
			
			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;
		}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_');
					$("#TB_iframeContent").remove();
					if(params['modal'] != "true"){//iframe no modal
						$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'>"+closeButtonMarkup+"</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
					$("#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_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'>"+closeButtonMarkup+"</div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px'></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);
					}
			}
			
			setupNextPrev (TB_imageCount, TB_PrevHTML, TB_NextHTML, TB_PrevURL, TB_NextURL, TB_PrevCaption, TB_NextCaption, imageGroup);
					
			$("#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();
					$("#TB_load").remove();
					$("#TB_window").css({display:"block"}); 
				}else if(url.indexOf('TB_iframe') != -1){
					tb_position();
					if($.browser.safari){//safari needs help because it will not fire iframe onload
						$("#TB_load").remove();
						$("#TB_window").css({display:"block"});
					}
				}else{
					/* 23/02/2009: Add support for loading remote page fragments */
					//$("#TB_ajaxContent").load(url += "&random=" + (new Date().getTime()),function(){//to do a post change this load method
					if (url.indexOf('#') != -1) {
						url = url.split('#').join(' #');
					}
					$("#TB_ajaxContent").load(url,function(){//to do a post change this load method
						
						tb_position();
						$("#TB_load").remove();
						tb_init("#TB_ajaxContent a.thickbox");
						$("#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
	}
}


function setupNextPrev (TB_imageCount, TB_PrevHTML, TB_NextHTML, TB_PrevURL, TB_NextURL, TB_PrevCaption, TB_NextCaption, imageGroup) {
		if (TB_imageCount !== "") {
			pagination = $('<div id="TB_pagination"></div>');
			
			if (TB_PrevHTML !== "") {
				pagination.append('<span class="TB_prev">' + TB_PrevHTML + '</span>');
			} else {
				//pagination.append('<span class="TB_prev"><abbr title="Previous">Prev</abbr></span>');
				//pagination.append('<span class="TB_prev">Previous</span>');
				pagination.append('<span class="TB_prev">' + prevButtonMarkup + '</span>');
				pagination.find('#TB_prev')
					//.attr('disabled','disabled')
					.addClass('disabled')
				;
			}
			
			if (TB_NextHTML !== "") {
				pagination.append('<span class="TB_next">' + TB_NextHTML  + '</span>');
			} else {
				//pagination.append('<span class="TB_next">Next</span>');
				pagination.append('<span class="TB_next">' + nextButtonMarkup + '</span>');
				pagination.find('#TB_next')
					//.attr('disabled','disabled')
					.addClass('disabled')
				;
			}
			
			pagination.append('<span class="TB_set">' + TB_imageCount + '</span>');
			
			$('#TB_window').append(pagination);
		}
		if (!(TB_PrevHTML === "")) {
			function goPrev(){
				if($(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);
				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);				
				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();
				}
			}	
		};	
}


//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;
  }
}