/*
 * Thickbox 3.1 - 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
*/
		  
var tb_pathToImage = "/img/icons/lightbox_loading.gif";

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

//on page load call tb_init
$(document).ready(function(){   
	tb_init('a[rel=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).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.blur();
		return false;
	});
}
function show_div(url) {
	// get div id from url
	$('.directive').removeClass('active_directive').hide();
	var queryString = url.split('/thickbox/directive.html');
	var queryStringSplit = queryString[1].split('&id=');
	var div_id = queryStringSplit[1];
	$(div_id).addClass('active_directive').fadeIn();

}
function prev_slide() {
	var current_slide = $('.active_directive');
	if ($('.directive:first').hasClass('active_directive')) {
		var prev_slide = $('.directive:last');
	} else {
		var prev_slide = current_slide.prev('.directive');
	}
	current_slide.removeClass('active_directive').hide();
	prev_slide.fadeIn('slow').addClass('active_directive');
	return false;
}
function next_slide() {
	var current_slide = $('.active_directive');
	if ($('.directive:last').hasClass('active_directive')) {
		var next_slide = $('.directive:first');
	} else {
		var next_slide = current_slide.next('.directive');
	}
	//alert(next);
	//current_slide.fadeOut('fast');
	current_slide.removeClass('active_directive').hide();
	next_slide.fadeIn('slow').addClass('active_directive');

	return false;
}
function tb_show(caption, url, imageGroup) {//function called when the user clicks on a thickbox link
	var pageSize = getPageSize();
	//alert(pageSize);
	

	//
	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' style='height:"+pageSize[1]+"px;'></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' style='height:"+pageSize[1]+"px;'></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;
	   }
	   
	   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_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(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'>&nbsp;&nbsp;<a href='#'>Next &gt;</a></span>";
							} else {
								TB_PrevCaption = TB_TempArray[TB_Counter].title;
								TB_PrevURL = TB_TempArray[TB_Counter].href;
								TB_PrevHTML = "<span id='TB_prev'>&nbsp;&nbsp;<a href='#'>&lt; 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 (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("<div id='TB_window_inner'><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 id='TB_secondLine'>" + TB_imageCount + TB_PrevHTML + TB_NextHTML + "</div></div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Close'>close</a></div></div>"); 		
			
			$("#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>");
					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();
					}
				}	
			};
			
			$("#TB_load").remove();
			$("#TB_ImageOff").click(tb_remove);
			$("#TB_window").show('slow',tb_position()); //for safari using css instead of show
			//tb_position();
			};
			
			imgPreloader.src = url;
		}else{//code to show html
			
			var queryString = url.replace(/^[^\?]+\??/,'');
			var params = tb_parseQuery( queryString );

			TB_WIDTH = (params['width']*1) || 660; //defaults to 630 if no paramaters were added to URL
			TB_HEIGHT = (params['height']*1) || 440; //defaults to 440 if no paramaters were added to URL
			ajaxContentW = TB_WIDTH - 20;
			ajaxContentH = TB_HEIGHT - 20;
			
			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_window_inner'><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton' title='Close'><img class='pngfix' src='/img/icons/close.png' alt='close' /></a></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_window_inner'><div id='TB_top_rounded' class='pngfix'><!--//--></div><div id='TB_page'><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton' class='pngfix'><img class='pngfix' src='/img/uk/btn/close.png' alt='close' /></a></div><div id='TB_ajaxContent'></div></div><div id='TB_btm_rounded' class='pngfix'><!--//--></div></div>");
						}else{//ajax modal
							$("#TB_overlay").unbind();
							$("#TB_window").append("<div id='TB_window_inner'><div id='TB_ajaxContent' class='TB_modal'></div></div>");	
						}
					}else{//this means the window is already up, we are just loading new content via ajax
						//$("#TB_ajaxContent")[0].style.width = ajaxContentW +"px";
						//$("#TB_ajaxContent")[0].style.height = "auto";
						$("#TB_ajaxContent")[0].scrollTop = 0;
						//$("#TB_ajaxWindowTitle").html(caption);
					}
					// resize to fit
					/*var finalWidth = $('#TB_ajaxContent').width();
					var finalHeight = $('#TB_ajaxContent').height();
					alert(finalWidth + "x" + finalHeight);*/
			}
			
			$("#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_load").remove();
					$("#TB_window").fadeIn('slow',tb_position());
					//tb_position();
				}else if(url.indexOf('TB_iframe') != -1){
					if($.browser.safari){//safari needs help because it will not fire iframe onload
						$("#TB_load").remove();
						$("#TB_window").fadeIn('slow',tb_position());
						//tb_position();
					}
				}else{
					$("#TB_ajaxContent").load(url,function(){//to do a post change this load method
						$("#TB_load").remove();
						tb_init("#TB_ajaxContent a[rel=thickbox]");
						tb_position();
						$("#TB_window").fadeIn('slow', function(){
							var actualHeight = $(this).height();
							tb_position();
						});
						show_div(url);
						$('#previous').click(prev_slide);
						$('#next').click(next_slide);
					});
				}
				
			
		}

		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(){
	$("#TB_load").remove();
	$("#TB_window").fadeIn('slow',tb_position());
	//tb_position();
}

function getPageSize(){
	var xScroll, yScroll;

	if (window.innerHeight && window.scrollMaxY) {
		xScroll = window.innerWidth + window.scrollMaxX;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}

	var windowWidth, windowHeight;

	if (self.innerHeight) { // all except Explorer
		if(document.documentElement.clientWidth){
			windowWidth = document.documentElement.clientWidth;
		} else {
			windowWidth = self.innerWidth;
		}
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}

	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else {
		pageHeight = yScroll;
	}


	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){
		pageWidth = xScroll;
	} else {
		pageWidth = windowWidth;
	}

	var arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight);
	return arrayPageSize;
}

function getPageScroll(){
	var xScroll, yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
		xScroll = self.pageXOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){  // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
		xScroll = document.documentElement.scrollLeft;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
		xScroll = document.body.scrollLeft;
	}

	var arrayPageScroll = new Array(xScroll,yScroll);
	return arrayPageScroll;
}

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().fadeOut().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'});
	// set width
	$("#TB_window_inner").css({width: TB_WIDTH +'px'});
	
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();
	var thickboxTop = arrayPageScroll[1] + (arrayPageSize[3] / 10);
	var thickboxLeft = arrayPageScroll[0];
	
	if ( !(jQuery.browser.msie && jQuery.browser.version < 7)) { // take away IE6
		var actualHeight;
		if( $('#TB_window').height() > TB_HEIGHT ) {
			actualHeight = $('#TB_window').height();
		} else {
			actualHeight = TB_HEIGHT;
		}
		//$("#TB_window").css({marginTop: '-' + parseInt((TB_HEIGHT / 2),10) + 'px'});
		//$("#TB_window").css({marginTop: '-' + parseInt((actualHeight / 2),10) + 'px'});
		//$("#TB_window").animate({"margin-top": '-' + parseInt((TB_HEIGHT / 2),10) + "px"}, 300);
	}
	$('#TB_window').css({top: thickboxTop+'px', left: thickboxLeft+'px'});
	var offset = $('#TB_window_inner').offset();
	//alert("x: "+offset.left+"\ny: " + offset.top);
}

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;
  }
}