/*
 * 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 = "http://www.sabanciuniv.edu/jquery/plugins/thickbox/i/loading.gif";
var tb_initclick = null;
var tb_focus = undefined;
var tb_keydown = null;
var tb_keyup = null;
/*!!!!!!!!!!!!!!!!! edit below this line at your own risk !!!!!!!!!!!!!!!!!!!!!!!*/

//on page load call tb_init
$(document).ready(function() { tb_refresh(); });

function tb_refresh() {
	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).unbind('click', tb_initclick);
	tb_initclick = 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;
	};
	$(domChunk).click(tb_initclick);
}

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);

		//code to show images
		if(urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp'){
			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'><a href='#'>&raquo;</a></span>";
							} else {
								TB_PrevCaption = TB_TempArray[TB_Counter].title;
								TB_PrevURL = TB_TempArray[TB_Counter].href;
								TB_PrevHTML = "<span id='TB_prev'><a href='#'>&laquo;</a></span>";
							}
						} else {
							TB_FoundURL = true;
							TB_imageCount = (TB_Counter + 1) + "<span class='tb-page-light'> / </span>" + (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;
			TB_HEIGHT = imageHeight + 60;
			$("#TB_window").append("<a href='' id='TB_ImageOff' title='Close'><img id='TB_Image' src='"+url+"' border='0' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/></a>" + "<div id='TB_caption'>"+caption+"<div id='TB_secondLine'>" + TB_PrevHTML + "<span class='tb-page-on'>" + TB_imageCount + "</span>" + TB_NextHTML + "</div></div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Close'><img src='http://www.sabanciuniv.edu/jquery/plugins/thickbox/i/close.gif' border='0' alt='' align='right'/></a></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);
				
			}

			tb_keydown = document.onkeydown;
			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();
			$("#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 || 900; //defaults to 630 if no paramaters were added to URL
			TB_HEIGHT = (params['height']*1) + 40 || 500; //defaults to 440 if no paramaters were added to URL
			ajaxContentW = TB_WIDTH - 30;
			ajaxContentH = TB_HEIGHT - 45;
			tb_focus = params['TB_focus'];

			if(params['modal'] != "true") {
				imageGroup = imageGroup ? imageGroup : "";
				if(imageGroup.indexOf("|") != -1) imageGroup = imageGroup.split("|")[0];
				if(imageGroup.indexOf("{/h1}") != -1) {
					imageGroup = imageGroup.split("{/h1}")[0];
					imageGroup = imageGroup.replace("{h1}", "");
					imageGroup = imageGroup.replace("{br/}", " ");
				}
				$("#TB_window").append("<table id='TB_title' width='100%' cellspacing='0' cellpadding='0'><tr><td id='TB_ajaxWindowTitle'>"+imageGroup+"</td><td align='right' valign='top'><a href='#' id='TB_closeWindowButton' title='Close'><img src='http://www.sabanciuniv.edu/jquery/plugins/thickbox/i/close.gif' border='0' alt='' align='right' /></a></td></tr></table>");
			}

			// either iframe or ajax window
			if(url.indexOf('TB_iframe') != -1) {
				urlNoQuery = url.split('TB_');
				$("#TB_iframeContent").remove();
				iframeid = "TB_iframeContent" + Math.round(Math.random()*1000);
				$("#TB_window").append("<iframe scrolling='" + ($.browser.msie && $.browser.version < 7 ? "yes" : "auto") + "' frameborder='0' hspace='0' src='"+url+"' id='TB_iframeContent' name='"+iframeid+"' onload='tb_showIframe(this.name," + (params['modal'] != "true" ? "false" : "true") + ")' style='width:"+(ajaxContentW + 30)+"px;height:"+(ajaxContentH + 17)+"px;' ></iframe>");
				if(params['modal'] == "true") {
					$("#TB_overlay").unbind();
					$("#TB_overlay").click(function() {
						window.frames[iframeid].focus();
					});
				}
			} else {
				if($("#TB_window").css("display") != "block") {
					$("#TB_window").append("<div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px'></div>");
					if(params['modal'] == "true") {
						$("#TB_overlay").unbind();
						$("#TB_overlay").click(function() {
							if($.browser.msie) {
								$("#TB_anchor").focus();
							} else {
								$("#TB_anchor").focus().blur();
							}
						});
					}
				} 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());
					$("#TB_ajaxContent").html($('#' + params['inlineId']).html());
					$("#TB_ajaxContent").html("<a id='TB_anchor' href='' style='line-height:1px'></a>" + $("#TB_ajaxContent").html());
					/*$("#TB_window").unload(function () {
						$('#' + params['inlineId']).html(''); // move elements back when you're finished
					});*/
					tb_position();
					$("#TB_load").remove();
					$("#TB_window").css({display:"block"}); 
					if($.browser.msie) {
						$("#TB_anchor").focus();
					} else {
						$("#TB_anchor").focus().blur();
					}
				}else if(url.indexOf('TB_iframe') != -1){
					tb_position();
					if($.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 += (url.indexOf("?")>-1 ? "&" : "?") + "random=" + (new Date().getTime()),function(){//to do a post change this load method
						$("#TB_ajaxContent").html("<a id='TB_anchor' href='' style='line-height:1px'></a>" + $("#TB_ajaxContent").html());
						tb_position();
						$("#TB_load").remove();
						tb_init("#TB_ajaxContent a.thickbox");
						$("#TB_window").css({display:"block"});
						if($.browser.msie) {
							$("#TB_anchor").focus();
						} else {
							$("#TB_anchor").focus().blur();
						}
					});
				}
			
		}

		if(params['modal'] != "true") {
			tb_keyup = document.onkeyup;
			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"});
	setTimeout("if(window.frames['"+arguments[0]+"']) window.frames['"+arguments[0]+"'].focus();", 300);
	
	if (!(tb_focus === undefined)) {
		setTimeout("if(window.frames['"+arguments[0]+"'].document.getElementById('" + tb_focus + "')) window.frames['"+arguments[0]+"'].document.getElementById('" + tb_focus + "').focus();", 300);
	}

	tb_esc = function(e) {
		if (e == null && event != null) { // ie
			keycode = event.keyCode;
		} else if(e != null && e.keyCode) { // ie
			keycode = e.keyCode;
		} else if(e != null && e.which) { // mozilla
			keycode = e.which;
		}
		if(keycode == 27){ // close
			self.parent.tb_remove();
		}
	};

	try {
	if(!arguments[1] && !$.browser.msie) {
		if(window.frames[arguments[0]]) window.frames[arguments[0]].document.onkeyup = tb_esc;
	} else if(!arguments[1] && $.browser.msie) {
		if(window.frames[arguments[0]]) window.frames[arguments[0]].document.attachEvent("onkeyup", tb_esc);
	}
	} catch(exception) {	}
}

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;
  }
}