/*
 * 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
*/
$(document).ready(function(){
	tb_init('a.thickbox, area.thickbox, input.thickbox');
	imgLoader = new Image();
	imgLoader.src = "i/TB_load.gif";
});

function tb_init(domChunk){
	$(domChunk).click(function(){
		var t=this.title||this.name||null,
			a=this.href||this.alt,
			g=this.rel||false;
		tb_show(t,a,g);
		this.blur();
		return false;
	});
}

function tb_show(caption, url, imageGroup) {
	try {
		if (typeof document.body.style.maxHeight==="undefined") {//if IE6
			$("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);
			}
		}

		var uA=navigator.userAgent.toLowerCase();
		if(uA.indexOf('mac')!=-1 && uA.indexOf('firefox')!=-1){
			uA="MacFFBGHack";//use png overlay so hide flash
		}else{
			uA="BG";//use background and opacity
		}	
		$("#TB_overlay").addClass("TB_overlay"+uA);

		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

		if (self["urchinTracker"]) {
			var pg=url.match(/\/\/[^\/]+(\/.*)/i);
			if(pg.length>1){
				urchinTracker(pg[1]);
			}
		}
		var baseURL;
		if(url.indexOf("?")!==-1){ //if there is a query string involved
			baseURL = url.substr(0, url.indexOf("?"));
		}else{ 
			baseURL = url;
			url+="?";
		}

		if(/\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/.test(baseURL.toLowerCase())){//code to show images
			var TB_PrevCaption="",
				TB_PrevURL = "",
				TB_PrevHTML = "",
				TB_NextCaption = "",
				TB_NextURL = "",
				TB_NextHTML = "",
				TB_imageCount = "",
				TB_FoundURL = false;
			if(imageGroup){
				var TB_TempArray = $("a[@rel="+imageGroup+"]").get();
				for (var TB_Counter = 0; ((TB_Counter < TB_TempArray.length) && (TB_NextHTML === "")); TB_Counter++) {
					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,
					y = pagesize[1] - 150,
					imageWidth = imgPreloader.width,
					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 id='TB_secondLine'>" + TB_imageCount + TB_PrevHTML + TB_NextHTML + "</div></div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Close'>close</a> or Esc Key</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){
					var keycode=e?e.which:event.keyCode;
					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_ImageOff").click(tb_remove);
				tb_loaded();
			};
			imgPreloader.src = url;
		}else{//code to show html
			var params = tb_parseQuery(url.replace(/^[^\?]+\??/,''));
			TB_WIDTH = (params.width*1) + 30 || 630; //defaults to 630 if no paramaters were added to URL
			TB_HEIGHT = (params.height*1) + 45 || 440; //defaults to 440 if no paramaters were added to URL
			var ajaxContentW = TB_WIDTH - 30,
				ajaxContentH = TB_HEIGHT - 45;
			if(url.indexOf('TB_iframe') != -1){// either iframe or ajax window		
				var 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> 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
					$("#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'><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
						$("#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( $("#TB_ajaxContent").children() ); // move elements back when you're finished
				});
				tb_loaded();
			}else if(url.indexOf('TB_iframe') != -1){
				tb_position();
				if($.browser.safari){//safari needs help because it will not fire iframe onload
					tb_loaded();
				}
			}else{
				if(/\.swf$/.test(baseURL.toLowerCase())){
					$("#TB_ajaxContent").html("<object type=\"application/x-shockwave-flash\" data=\""+url+"\" width=\""+params.width+"\" height=\""+params.height+"\"><param name=\"movie\" value=\""+url+"\"/><param name=\"allowScriptAccess\" value=\"always\"/></object>");
					tb_loaded();
				}else if(/\.pdf$/.test(baseURL.toLowerCase())){
					$("#TB_ajaxContent").html("<embed type=\"application/pdf\" src=\""+url+"\" width=\"100%\" height=\"100%\"></embed>");
					tb_loaded();
				}else{
					$("#TB_ajaxContent").load(url += "&random=" + new Date().getTime(),tb_loaded(1));
				}
			}
		}

		if(!params.modal){
			document.onkeyup = function(e){
				if (e?e.which:event.keyCode==27){
					tb_remove();
				}	
			};
		}
	} catch(e) {}
}

//helper functions below
function tb_loaded(ajax){
	tb_position();
	if(ajax){
		tb_init("#TB_ajaxContent a.thickbox");
	}
	$("#TB_load").remove();
	$("#TB_window").css({display:"block"});
}

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() {
	$("#TB_window").css({marginLeft:'-'+parseInt((TB_WIDTH/2),10)+'px',width:TB_WIDTH+'px'});
	var dtop=parseInt((TB_HEIGHT/2),10);
	var scrDn=0;
	if($.browser.msie){
		if(document.body!=null){
			scrDn=document.body.scrollTop;
		}else if(document.documentElement != null){
			scrDn = document.documentElement.scrollTop; //ie7
    	}
	}
	if ( !(jQuery.browser.msie && !window["XMLHttpRequest"])) { //use XMLHttpRequest for IE7 due to problem with jQuery.browser.version
		if(scrDn){
			dtop=scrDn;
		}
		$("#TB_window").css({marginTop: '-' + dtop + 'px'});
	}
}
function tb_parseQuery(query){
	var Params={};
	if (!query){return Params;}
	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]),
		val=unescape(KeyVal[1]);
		Params[key]=val.replace(/\+/g,' ');
	}
	return Params;
}
function tb_getPageSize(){
	var de=document.documentElement;
	return [window.innerWidth||self.innerWidth||(de&&de.clientWidth)||document.body.clientWidth,window.innerHeight||self.innerHeight ||(de&&de.clientHeight)||document.body.clientHeight];
}