/*
 * 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
*/

function fixPNG(a){var b;if(a.tagName=='IMG'){if(/\.png$/.test(a.src)){b=a.src;a.src='/images/e.gif'}}else{b=a.currentStyle.backgroundImage.match(/url\("(.+\.png)"\)/i);if(b){b=b[1];a.runtimeStyle.backgroundImage='none'}}var c=/iesizing\-(\w+)/;var m=c.exec(a.className);var d=(m)?m[1]:'crop';if(b)a.runtimeStyle.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+b+"',sizingMethod='"+d+"')"};

		  
var tb_pathToImage = "/images/loadingAnimation.gif";

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

	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;
	   }

	   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;

				$('#TB_window')
					.css({
						display: 'block'
						,top: '-9999em'
					})
					.append("<div class='TB_image_content'><div class='TB_image_content_top'><i class='tl'></i><i class='tr'></i></div><div class='TB_image_content_middle'><a href='' id='TB_ImageOff' title='Close'><img class='TB_Image' width='" + imgPreloader.width + "' height='" + imgPreloader.height + "' src='"+url+"' alt='"+caption+"'/></a></div><div id='TB_closeWindow' class='TB_image_close_button'><a href='#' id='TB_closeWindowButton' title='Close'>close</a></div><div class='TB_image_content_bottom'><i class='bl'></i><i class='br'></i></div></div>");

				var imageWidth = imgPreloader.width,
					imageHeight = imgPreloader.height;

				function showImageBox(){
					var boxWindow = $('#TB_window').find('div.TB_image_content'),
						boxImage = boxWindow.find('img.TB_Image'),
						middleContent = boxWindow.find('div.TB_image_content_middle');

					var windowWidth = $(window).width(),
						windowHeight = $(window).height();

					var boxWindowWidth = middleContent.width(),
						boxWindowHeight = boxWindow.height();

					if (boxWindowWidth + 20 > windowWidth || boxWindowHeight + 20 > windowHeight)
					{
						var imageCoef = imageWidth / imageHeight;

						if (windowWidth / boxWindowWidth < windowHeight / boxWindowHeight)
						{
							imageWidth = windowWidth - boxWindowWidth + imageWidth - 20;
							imageHeight = Math.round(imageWidth / imageCoef);
						} else {
							var marginTB = 0;
							boxWindow.find('>div:not(div.TB_image_content_middle)').each(function(){
								marginTB += $(this).outerHeight();
							});
							imageHeight = windowHeight - marginTB - 20;
							imageWidth = Math.round(imageHeight * imageCoef);
						}

						boxImage.width(imageWidth).height(imageHeight);
					}
					boxWindowWidth = middleContent.width();

					$('#TB_window').width(boxWindowWidth);
					boxWindow.width(boxWindowWidth);

					middleContent.parent().width(boxWindowWidth).find('>div').width( boxWindowWidth );
					middleContent.parent().parent().width( boxWindowWidth );

					// Fix for IE6
					if (/MSIE (5\.5|6).+Win/.test(navigator.userAgent))
					{
						var listC = $('.TB_image_content i');
						for (var i = 0; i < listC.length; i++) fixPNG(listC[i]);
					}

					$("#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();
						} 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").css({
						marginLeft: -Math.round(boxWindowWidth / 2),
						marginTop: -Math.round(boxWindow.height() / 2),
						top: '50%'
					})
				}
				setTimeout(showImageBox, 100);
			};
			
			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'><a href='#' id='TB_closeWindowButton' title='Close'>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;'> </iframe>");
					}else{//iframe modal
					$("#TB_overlay").unbind();
						$("#TB_window").append("<iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29) + "px;'> </iframe>");
					}
			}else{// not an iframe, ajax
					if($("#TB_window").css("display") != "block"){
						if(params['modal'] != "true"){//ajax no modal
						$("#TB_window").append("<div id='TB_ajaxContent' class='png_bg' style='width:"+ajaxContentW+"px;'></div><div id='TB_title' class='png_bg'><a href='#' id='TB_closeWindowButton'>close</a></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();
					$("#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{
					$("#TB_ajaxContent").load(url += "&random=" + (new Date().getTime()),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
	}
}

//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,#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',
		marginTop: -parseInt((TB_HEIGHT / 2),10) + 'px',
		width: TB_WIDTH + '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;
  }
}