var MESSAGES = {
  "format.date":                     "dd.MM.yyyy",
  "format.time":                     "hh:mm a",
  "photoviewer.toolbar.first":       "erstes Bild",
  "photoviewer.toolbar.prev":        "vorheriges Bild",
  "photoviewer.toolbar.slideShow":   "Start/Pause Slideshow",
  "photoviewer.toolbar.next":        "nächstes Bild",
  "photoviewer.toolbar.last":        "letztes Bild",
  "photoviewer.toolbar.email":       "Bild versenden",
  "photoviewer.toolbar.permalink":   "Link zum Bild",
  "photoviewer.toolbar.close":       "Schliessen",
  "photoviewer.email.subject.photo": "Bild aus der H-DCD Galerie",
  "gallery.nophotos":                "Keine Bilder",
  "gallery.thumbs.start":            "Start",
  "gallery.thumbs.end":              "Ende",
  "gallery.toolbar.first":           "erstes Bild",
  "gallery.toolbar.prev":            "vorheriges Bild",
  "gallery.toolbar.view":            "Bild anzeigen",
  "gallery.toolbar.next":            "nächstes Bild",
  "gallery.toolbar.last":            "letztes Bild",
  "gallery.view.full":               "Vollbild",
  "gallery.view.photo":              "Nur Bild zeigen",
  "gallery.view.text":               "Nur Beschreibung zeigen",
  "gallery.view.close":              "Schliessen"
};

var agent = navigator.userAgent.toLowerCase();
var IE = (agent.indexOf("msie") != -1 && agent.indexOf("opera") == -1);
var IE7 = (agent.indexOf("msie 7") != -1);
var OPERA = (agent.indexOf("opera") != -1);
var SAFARI = (agent.indexOf("safari") != -1);
var FIREFOX = (agent.indexOf("gecko") != -1);
var STRICT_MODE = (document.compatMode == "CSS1Compat");
var _DOMAIN = undefined;
var GALLERY_W = 650;
var GALLERY_H = 530;
if (USE_GOOGLE_MAPS == undefined) {
	var USE_GOOGLE_MAPS = true;
}
var USE_OLD_MAPS =! USE_GOOGLE_MAPS;
var TESTING = false;
var log = getLogger();
if (document.location.href.indexOf("#jslog") != -1) log.enable();

function Logger() { 
	this.enable = loggerEnable;
	this.clear = loggerClear;
	this.log = loggerLog;
	this.debug = loggerDebug;
	this.info = loggerInfo;
	this.error = loggerError;
	var console = undefined;
	try {
		console = document.createElement("textarea");
		console.style.display = "none";
		console.style.position = "absolute";
		console.style.right = "2px";
		console.style.bottom = "2px";
		console.style.width = "23em";
		console.style.height = "40em";
		console.style.fontFamily = "monospace";
		console.style.fontSize = "9px";
		console.style.color = "#000000";
		setOpacity(console,0.7);
		console.border = "1px solid #808080";
		console.ondblclick = clearLogger;
	} catch(e) {}
	this.console = console;
	this.enabled = false;
	this.logTimeStart = getTimeMillis();
}

function getLogger() {
	var log = undefined;
	var win = window;
	while (log == undefined) {
		try {
			log = win.document.log;
		} catch(e) {
			break;
		}
		if (win == win.parent) break;
		win = win.parent;
	}
	if (log == undefined) {
		log = new Logger();
		document.log = log;
	}
	return log;
}

function clearLogger() {
	getLogger().clear();
}

function loggerEnable() {
	if (this.enabled || this.console == undefined) return;
	if (window.document.body != undefined) {
		window.document.body.appendChild(this.console);
		this.console.style.display = "";
		this.enabled = true;
	}
}

function loggerDebug(msg) {
	this.log("DEBUG",msg);
}

function loggerInfo(msg) {
	this.log("INFO",msg);
}

function loggerError(msg,e) {
	this.log("ERROR",msg,e);
}

function loggerLog(level,msg,e) {
	if (!this.enabled || this.console == undefined) return;
	var millis = (getTimeMillis() - this.logTimeStart) + "";
	while (millis.length < 6) millis += " ";
	var m = millis + " ";
	if (msg != undefined) m += msg + " ";
	if (e != undefined) m += e.name + ": " + e.message;
	this.console.value += m + "\n";
}

function loggerClear() {
	if (!this.enabled || this.console == undefined) return;
	this.console.value = "";
}

function getTimeMillis() {
	var t = new Date();
	return Date.UTC(t.getFullYear(),t.getMonth(),t.getDay(),t.getHours(),t.getMinutes(),t.getSeconds(),t.getMilliseconds());
}

function getEvent(event) {
	return(event != undefined ? event : window.event);
}

function preventDefault(event) {
	if (event.preventDefault){
		event.preventDefault();
		event.stopPropagation();
	} else {
		event.returnValue = false;
		event.cancelBubble = true;
	}
}

function getEventTarget(event) {
	if (event == undefined) return undefined;
	if (event.srcElement != undefined) return event.srcElement;
	else return event.target;
}

function getResponse(url,async,getXML,callback,data) {
	var req = undefined;
	try {
		req = new ActiveXObject("Msxml2.XMLHTTP");
	} catch(e1) {
		try {
			req = new ActiveXObject("Microsoft.XMLHTTP");
		} catch(e2){
			req = new XMLHttpRequest();
		}
	}
	if (req == undefined) {
		log.error("Failed to initialize XML/HTTP");
		return undefined;
	}
	req.open("GET",url,async);
	if (!async) {
		req.send(undefined);
		if (req.readyState != 4) {
			log.error("Request failed: " + req.readyState);
			return undefined;
		}
		if (!getXML) return req.responseText;
		else return req.responseXML;
	} else {
		pollResponse(req,callback,data);
		req.send(undefined);
		return undefined;
	}
}

function pollResponse(req,callback,data) {
	if (req.readyState!=4) window.setTimeout(function() { pollResponse(req,callback,data); },100);
	else callback(req,data);
}

function getElementsByTagName(node,tag) {
	if (node == undefined) return undefined;
	if (IE) {
		return node.getElementsByTagName(tag);
	}
	if (tag.indexOf(":") != -1) {
		tag = tag.split(":")[1];
	}
	return node.getElementsByTagNameNS("*",tag);
}

function getFirstElementsValue(node,tag) {
	if (node == undefined) return undefined;
	var nodes = getElementsByTagName(node,tag);
	if (nodes.length === 0) return undefined;
	else return getElementValue(nodes[0]);
}

function getElementValue(node) {
	var i;
	var val = "";
	for (i = 0; i < node.childNodes.length; i++) {
		if (node.childNodes[i].nodeValue !== null) val += node.childNodes[i].nodeValue;
	}
	return val;
}

function trim(str) {
	if (str == undefined) return undefined;
	return str.replace(/^\s*([\s\S]*\S+)\s*$|^\s*$/,'$1');
}

function trimToLen(str,len) {
	if (str == undefined) {
		return undefined;
	}
	if (str.length > len) {
		str = str.substring(0,len) + "...";
	}
	return str;
}

function getRootWindow() {
	var win = window;
	while (win != undefined) {
		try {
			if (win === win.parent) {
				break;
			} else if (win.parent != undefined && win.parent.document.location.href.indexOf("/selenium-server/") != -1) {
				break;
			}
			win = win.parent;
		} catch(e){
			break;
		}
	}
	return win;
}

function getURLParams() {
	var i,params = [];
	var url = window.location.search;
	if (url == undefined || url.length === 0) return undefined;
	url = url.substring(1);
	var namevals = url.replace(/\+/g," ").split("&");
	for (i = 0; i < namevals.length; i++) {
		var name,val;
		var pos = namevals[i].indexOf("=");
		if (pos != -1) {
			name = namevals[i].substring(0,pos);
			val = unescape(namevals[i].substring(pos + 1));
		} else {
			name = namevals[i];
			val = undefined;
		}
		params[name] = val;
	}
	return params;
}

function joinLists(list1,list2){var i;var size=0;var result=[];if(list1!=undefined&&list1.length>0){for(i=0;i<list1.length;i++)
result[i]=list1[i];size=list1.length;}
if(list2!=undefined&&list2.length>0){for(i=0;i<list2.length;i++)
result[i+size]=list2[i];}
return result;}
function setCookie(name,value,expire){var expiry=(expire==undefined)?"":("; expires="+expire.toGMTString());document.cookie=name+"="+value+expiry;}
function getCookie(name){if(document.cookie==undefined||document.cookie.length===0)
return undefined;var search=name+"=";var index=document.cookie.indexOf(search);if(index!=-1){index+=search.length;var end=document.cookie.indexOf(";",index);if(end==-1)
end=document.cookie.length;return unescape(document.cookie.substring(index,end));}}
function removeCookie(name){var today=new Date();var expires=new Date();expires.setTime(today.getTime()-1);setCookie(name,"",expires);}
function getMessage(id){if(MESSAGES[id]==undefined){return"("+id+")";}else{return MESSAGES[id];}}
function localizeNodeAttribs(node){var i;if(node==undefined)
return;if(node.alt!=undefined&&node.alt.indexOf("#")===0){node.alt=getMessage(node.alt.substring(1));}
if(node.title!=undefined&&node.title.indexOf("#")===0){node.title=getMessage(node.title.substring(1));}
if(node.childNodes!=undefined){for(i=0;i<node.childNodes.length;i++){localizeNodeAttribs(node.childNodes[i]);}}}
function padNumber(n,pad){n=n+"";while(n.length<pad){n="0"+n;}
return n;}
function isArray(obj){if(obj instanceof Array)
return true;else
return false;}
function simpleDateFormatter(date,pattern){var d=pattern;d=d.replace(/yyyy/g,date.getFullYear());d=d.replace(/yy/g,padNumber(date.getFullYear()%100,2));d=d.replace(/MM/g,padNumber(date.getMonth()+1,2));d=d.replace(/M/g,date.getMonth()+1);d=d.replace(/dd/g,padNumber(date.getDate(),2));d=d.replace(/d/g,date.getDate());d=d.replace(/HH/g,padNumber(date.getHours(),2));d=d.replace(/H/g,date.getHours());d=d.replace(/hh/g,padNumber(date.getHours()%12,2));d=d.replace(/h/g,date.getHours()%12);d=d.replace(/mm/g,padNumber(date.getMinutes(),2));d=d.replace(/m/g,date.getMinutes());d=d.replace(/ss/g,padNumber(date.getSeconds(),2));d=d.replace(/s/g,date.getSeconds());var am=(date.getHours()<12?"AM":"PM");d=d.replace(/a/g,am);return d;}
function formatDateTime(date){if(date==undefined)
return undefined;return formatDate(date)+" "+formatTime(date);}
function formatDate(date){var datePattern=getMessage("format.date");return simpleDateFormatter(date,datePattern);}
function formatTime(date){var timePattern=getMessage("format.time");return simpleDateFormatter(date,timePattern);}
function parseISOTime(strTime){if(strTime==undefined)
return undefined;var isoRE=/^(\d{4})-(\d\d)-(\d\d)T(\d\d):(\d\d):(\d\d)(\.\d{3})?([Z+-])?(\d\d)?:?(\d\d)?$/;if(!isoRE.test(strTime)){return undefined;}else{return new Date(RegExp.$1,RegExp.$2-1,RegExp.$3,RegExp.$4,RegExp.$5,RegExp.$6);}}
function setOpacity(elt,opacity){if(IE){elt.style.filter="alpha(opacity="+parseInt(opacity*100)+")";}
elt.style.KhtmlOpacity=opacity;elt.style.opacity=opacity;}

function validCoordinates(lat,lon) {
	if (Math.abs(lat) > 90 || Math.abs(lon) > 180) {
		return false;
	}
	if (lat === 0.0 && lon === 0.0) {
		return false;
	}
	return true;
}

function isHosted() {
	var host = document.location.host;
	if (host == undefined) host = "";
	return (host.indexOf("triptracker.net") == -1 && !checkDomain());
}

function checkDomain(){try{if(_DOMAIN==undefined)
return false;var protocol=document.location.protocol;if(protocol==undefined)
protocol="http:";var host=document.location.host;if(host==undefined)
host="";host=host.toLowerCase();if(protocol.toLowerCase().indexOf("file")===0){return true;}
var pos=host.lastIndexOf(":");if(pos!=-1){host=host.substring(0,pos);}
if(host.indexOf("www.")===0){host=host.substring(4);}
if(host===""||host=="localhost"||host=="127.0.0.1")
return true;var domain=_DOMAIN.toLowerCase();pos=domain.indexOf("://");if(pos!=-1){domain=domain.substring(pos+3);}
pos=domain.indexOf("/");if(pos!=-1){domain=domain.substring(0,pos);}
if(domain.indexOf("www.")===0){domain=domain.substring(4);}
if(host==domain){return true;}else if(new RegExp(domain).test(host)){return true;}
return false;}catch(e){return true;}}
function getWindowSize(win){var availW=win.innerWidth;if(availW==undefined||availW===0||isNaN(availW))
availW=win.document.documentElement.clientWidth;if(availW==undefined||availW===0||isNaN(availW))
availW=win.document.body.clientWidth;var availH=win.innerHeight;if(availH==undefined||availH===0||isNaN(availH))
availH=win.document.documentElement.clientHeight;if(availH==undefined||availH===0||isNaN(availH))
availH=win.document.body.clientHeight;return{w:availW,h:availH};}
function getDocumentSize(win){var winSize=getWindowSize(win);var scrollPos=getScrollPos(win);var w=winSize.w+scrollPos.left;var h=winSize.h+scrollPos.top;w=Math.max(w,win.document.body.offsetWidth);h=Math.max(h,win.document.body.offsetHeight);w=Math.max(w,win.document.body.scrollWidth);h=Math.max(h,win.document.body.scrollHeight);return{w:w,h:h};}
function getScrollPos(win){var scrollTop=win.pageYOffset;if(scrollTop==undefined||scrollTop===0)
scrollTop=win.document.documentElement.scrollTop;if(scrollTop==undefined||scrollTop===0)
scrollTop=win.document.body.scrollTop;var scrollLeft=win.pageXOffset;if(scrollLeft==undefined||scrollLeft===0)
scrollLeft=win.document.documentElement.scrollLeft;if(scrollLeft==undefined||scrollLeft===0)
scrollLeft=win.document.body.scrollLeft;return{top:scrollTop,left:scrollLeft};}
var CLEAR_EVENTS=["onclick","ondblclick","onkeydown","onkeypress","onmousedown","onmouseup","onmousemove","onmouseover","onmouseout","onmousewheeldown","oncontextmenu"];function clearEvents(){var i,j;var count=0;if(document.all==undefined)
return;for(i=0;i<document.all.length;i++){for(j=0;j<CLEAR_EVENTS.length;j++){var event=document.all[i][CLEAR_EVENTS[j]];if(event!=undefined){document.all[i][CLEAR_EVENTS[j]]=null;count++;}}}}
if(window.attachEvent)
window.attachEvent("onunload",clearEvents);function getGallery(){var gallery=undefined;var win=window;while(gallery==undefined){try{gallery=win.document.gallery;}catch(e){break;}
var tmpWin=win;win=win.parent;if(tmpWin===win){break;}}
return gallery;}
function viewerCloseCallback(photoIndex){var i,j,n=0;var gallery=getGallery();for(i=0;i<gallery.sets.length;i++){for(j=0;j<gallery.sets[i].photos.length;j++){var p=gallery.sets[i].photos[j];if(p==undefined||p.orig==undefined||p.orig.src==undefined)
continue;if(n==photoIndex){gallery.setIndex=i;gallery.photoIndex=j;gallery.renderPhotos();gallery.win.focus();return;}
n++;}}}
var VIEWER_INDEX = 0;
var SLIDE_DURATION = 4000;
var SLIDE_OFFSET = 50;
var SLIDE_PHOTOS = true;
var FADE_BORDER = false;
var FADE_STEPS = 10;
var MOVE_STEP = 1;
var PRELOAD_TIMEOUT = 60000;
var BORDER_WIDTH = 3;
var FONT_SIZE = 10;
var OFFSET_LEFT = 0;
var OFFSET_TOP = 0;
var REST_URL="/rest/";
//var P_IMG_ROOT="http://static.triptracker.net/jsmap/images/photoviewer";
var P_IMG_ROOT="http://www.h-dcd.de/gallery";
var TOOLBAR_IMG = "toolbar.gif";
var TOOLBAR_IMG_RUNNING = "toolbar2.gif";
var TOOLBAR_IMG_BACK = "toolbar-back.gif";
var TOOLBAR_IMG_MASK = "toolbar-mask.png";
var TOOLBAR_IMG_LOADING = "loading-anim.gif";
var TOOLBAR_W = 440;
var TOOLBAR_H = 75;
var TOOLBAR_IMG_W = 420;
var TOOLBAR_IMG_H = 44;
//var TOOLBAR_LINK = "http://slideshow.triptracker.net";
var TOOLBAR_LINK = "";
var TOOLBAR_FONT_COLOR = "#c0c0c0";
var TOOLBAR_FONT_STYLE = "verdana, arial";
var VIEWER_ID_PREFIX = "HDCD";
var VIEWER_ID_BACK = VIEWER_ID_PREFIX + "Back";
var VIEWER_ID_TOOLBAR = VIEWER_ID_PREFIX + "Toolbar";
var VIEWER_ID_TOOLBAR_MAP = VIEWER_ID_PREFIX + "ToolbarMap";
var VIEWER_ID_TOOLBAR_IMG = VIEWER_ID_PREFIX + "ToolbarImg";
var VIEWER_ID_LOADING = VIEWER_ID_PREFIX + "Loading";
var VIEWER_ID_TIME = VIEWER_ID_PREFIX + "Time";
var VIEWER_ID_TITLE = VIEWER_ID_PREFIX + "Title";
var VIEWER_ID_BYLINE = VIEWER_ID_PREFIX + "Byline";
var TITLE_MAX_LENGTH = 140;
function PhotoViewer(win,handleKeys) { 
	this.setImageRoot = setImageRoot;
	this.add = addPhoto;
	this.show = showPhoto;
	this.close = closePhoto;
	this.isShown = isPhotoShown;
	this.setBackground = setPhotoBackground;
	this.setShowToolbar = setShowToolbar;
	this.setToolbarImage = setToolbarImage;
	this.setShowCallback = setShowCallback;
	this.setCloseCallback = setCloseCallback;
	this.setEndCallback = setEndCallback;
	this.setLoading = setPhotoLoading;
	this.addBackShade = addBackShade;
	this.addToolbar = addToolbar;
	this.addCaptions = addCaptions;
	this.next = nextPhoto;
	this.prev = prevPhoto;
	this.first = firstPhoto;
	this.last = lastPhoto;
	this.slideShow = slideShow;
	this.slideShowStop = slideShowStop;
	this.startSlideShow = startSlideShow;
	this.handleKey = viewerHandleKey;
	this.checkStartFragmentIdentifier = checkStartFragmentIdentifier;
	this.checkStopFragmentIdentifier = checkStopFragmentIdentifier;
	this.setStartFragmentIdentifier = setStartFragmentIdentifier;
	this.setStopFragmentIdentifier = setStopFragmentIdentifier;
	this.email = emailPhoto;
	this.favorite = favoritePhoto;
	this.permalink = linkPhoto;
	this.setBackgroundColor = setBackgroundColor;
	this.setBorderWidth = setBorderWidth;
	this.setSlideDuration = setSlideDuration;
	this.disablePanning = disablePanning;
	this.enablePanning = enablePanning;
	this.disableFading = disableFading;
	this.enableFading = enableFading;
	this.disableShade = disableShade;
	this.enableShade = enableShade;
	this.setShadeColor = setShadeColor;
	this.setShadeOpacity = setShadeOpacity;
	this.setFontSize = setFontSize;
	this.setFont = setFont;
	this.enableAutoPlay = enableAutoPlay;
	this.disableAutoPlay = disableAutoPlay;
	this.enableEmailLink = enableEmailLink;
	this.disableEmailLink = disableEmailLink;
	this.enablePhotoLink = enablePhotoLink;
	this.disablePhotoLink = disablePhotoLink;
	this.setOnClickEvent = setOnClickEvent;
	this.enableLoop = enableLoop;
	this.disableLoop = disableLoop;
	this.hideOverlappingElements = hideOverlappingElements;
	this.showOverlappingElements = showOverlappingElements;
	this.id = VIEWER_ID_PREFIX + VIEWER_INDEX;
	VIEWER_INDEX++;
	this.photos = [];
	this.index = 0;
	this.win = (win != undefined ? win : window);
	this.shown = false;
	this.showToolbar = true;
	this.backgroundColor = "#000000";
	this.shadeOpacity = 0.7;
	this.borderColor = "#FF6600";
	this.shadeColor = "#000000";
	this.borderWidth = BORDER_WIDTH;
	this.backgroundShade = true;
	this.fadePhotos = true;
	this.autoPlay = false;
	this.enableEmailLink = false;
	this.enablePhotoLink = false;
	this.slideDuration = SLIDE_DURATION;
	this.panPhotos = SLIDE_PHOTOS;
	this.fontSize = FONT_SIZE;
	this.font = undefined;
	if (handleKeys == undefined || handleKeys) {
		if (this.win.addEventListener) { 
			this.win.addEventListener("keydown",viewerHandleKey,false);
		} else {
			this.win.document.attachEvent("onkeydown",viewerHandleKey);
		}
	}
	this.win.document.viewer = this;
	if(OPERA) this.disableFading();
}

function PhotoImg(id,src,w,h,time,title,byline) {
	this.id = id;
	this.src = src;
	this.w = parseInt(w);
	this.h = parseInt(h);
	this.time = time;
	this.title = title;
	this.byline = byline;
}

function getViewer() {
	var viewer = undefined;
	var win = window;
	while (viewer == undefined) {
		try {
			viewer = win.document.viewer;
		} catch(e) {
			break;
		}
		if (win === win.parent) { break; }
		win = win.parent;
	}
	return viewer;
}

function setImageRoot(root) {
	P_IMG_ROOT = root;
}

function addPhoto(photo,title,time,byline) {
	var type = typeof photo;
	if (typeof photo == "string") {
		photo = new PhotoImg(undefined,photo,undefined,undefined,time,title,byline);
	}
	this.photos.push(photo);
}

function setPhotoBackground(color,border,doShade) {
	if (color != undefined) this.backgroundColor = color;
	if (border != undefined) this.borderColor = border;
	if (doShade != undefined) this.backgroundShade = doShade;
}

function setPhotoLoading(isLoading) {
	this.isLoading = isLoading;
	var elt = this.win.document.getElementById(VIEWER_ID_LOADING);
	if (elt == undefined) return;
	elt.style.display = isLoading ? "" : "none" ;
}

function setBackgroundColor(color) {
	this.backgroundColor = color;
	this.borderColor = color;
}

function setBorderWidth(width) {
	this.borderWidth = width;
}

function setSlideDuration(duration) {
	this.slideDuration = duration;
}

function disableShade() {
	this.backgroundShade = false;
}

function enableShade() {
	this.backgroundShade = true;
}

function setShadeColor(color) {
	this.shadeColor = color;
}

function setShadeOpacity(opacity) {
	this.shadeOpacity = opacity;
}

function disableFading() {
	this.fadePhotos = false;
}

function enableFading() {
	this.fadePhotos = true;
}

function disablePanning() {
	this.panPhotos = false;
}

function enablePanning() {
	this.panPhotos = true;
}

function setFontSize(size) {
	this.fontSize = size;
}

function setFont(font) {
	this.font = font;
}

function enableAutoPlay() {
	this.autoPlay = true;
}

function disableAutoPlay() {
	this.autoPlay = false;
}

function enableEmailLink() {
	this.enableEmailLink = true;
}

function disableEmailLink() {
	this.enableEmailLink = false;
}

function enablePhotoLink() {
	this.enablePhotoLink = true;
}

function disablePhotoLink() {
	this.enablePhotoLink = false;
}

function setOnClickEvent(newfunc) {
	this.customOnClickEvent = newfunc;
}

function enableLoop() {
	this.loop = true;
}

function disableLoop() {
	this.loop = false;
}

function showPhoto(index,cropWidth,opacity) {
	if (this.photos.length === 0) { return true; }
	if (getRootWindow().permissionDenied) {
		this.setStartFragmentIdentifier(index);
		return true;
	}
	if (index != undefined) this.index = index;
	if (this.index < 0 || this.index >= this.photos.length) {
		log.error("Invalid photo index");
		return true;
	}
	var doc = this.win.document;
	var firstShow = false;
	if (!this.shown) {
		firstShow = true;
		doc.viewer = this;
		try {
			this.hideOverlappingElements();
		} catch(e) {
		}
	}
	var zIndex = 16384;
	var winSize = getWindowSize(this.win);
	var availW = winSize.w - 20;
	var availH = winSize.h - 20;
	var scrollPos = getScrollPos(this.win);
	var scrollLeft = scrollPos.left;
	var scrollTop = scrollPos.top;
	this.addBackShade(zIndex);
	if (this.showToolbar) {
		this.addToolbar(availW,zIndex);
		this.addCaptions();
	}
	var photo = this.photos[this.index];
	if (isNaN(photo.w) || isNaN(photo.h)) {
		if (photo.preloadImage != undefined) {
			if (isNaN(photo.w) && photo.preloadImage.width > 0) photo.w = photo.preloadImage.width;
			if (isNaN(photo.h) && photo.preloadImage.height > 0) photo.h = photo.preloadImage.height;
		} else {
			this.index--;
			this.next();
			return false;
		}
	}
	this.shown = true;
	var offset = 20;
	var pw = -1;
	var ph = -1;
	if (parseInt(photo.w) > availW || parseInt(photo.h) > availH) {
		if (parseInt(photo.w)/availW > parseInt(photo.h) / availH) {
			pw = availW - offset;
			ph = parseInt(pw * photo.h / photo.w);
		} else {
			ph = availH - offset;
			pw = parseInt(ph * photo.w / photo.h);
		}
	} else {
		pw = parseInt(photo.w);
		ph = parseInt(photo.h);
	}
	if (pw <= 0 || ph <= 0) {
		if (!this.showToolbar) throw"Missing photo dimension";
	}
	if (cropWidth == undefined) cropWidth = 0;
	var photoDiv = doc.createElement("div");
	photoDiv.style.visibility = "hidden";
	photoDiv.style.position = "absolute";
	photoDiv.style.zIndex = zIndex;
	photoDiv.style.overflow = "hidden";
	photoDiv.style.border = this.borderWidth + "px solid " + this.borderColor;
	photoDiv.style.textAlign = "center";
	photoDiv.style.backgroundColor = this.backgroundColor;
	var photoElt = doc.createElement("img");
	photoElt.style.visibility = "hidden";
	photoElt.style.position = "relative";
	photoElt.style.backgroundColor = this.backgroundColor;
	photoElt.style.border = "none";
	photoElt.style.cursor = "pointer";
	photoElt.style.zIndex = (parseInt(photoDiv.style.zIndex) + 1) + "";
	photoElt.onclick = onClickEvent;
	if (opacity != undefined && this.fadePhotos) {
		var fadeElt = (FADE_BORDER ? photoDiv : photoElt);
		setOpacity(fadeElt,opacity);
	}
	var left = parseInt((availW - pw) / 2) + OFFSET_LEFT;
	photoDiv.style.left = (left + scrollLeft + cropWidth / 2) + "px";
	var top = parseInt((availH - ph) / 2) + OFFSET_TOP;
	photoDiv.style.top = (top + scrollTop) + "px";
	photoElt.style.visibility = "hidden";
	photoDiv.style.width = (pw - cropWidth) + "px";
	photoDiv.style.height = ph + "px";
	photoElt.style.width = pw + "px";
	photoElt.style.height = ph + "px";
	photoElt.src = photo.src;
	photoDiv.style.visibility = "visible";
	photoElt.style.visibility = "visible";
	photoDiv.appendChild(photoElt);
	doc.body.appendChild(photoDiv);
	if (this.photoDiv != undefined) {
		try {
			doc.body.removeChild(this.photoDiv);
		} catch(e) {
		}
	}
	this.photoDiv = photoDiv;
	this.photoImg = photoElt;
	this.setLoading(false);
	if (this.showCallback != undefined) this.showCallback(this.index);
	if (firstShow && this.autoPlay) {
		this.slideShow(true);
	}
	return false;
}

function isPhotoShown() {
	return this.shown;
}

function closeViewer() {
	getViewer().close();
}

function onPhotoLoad(event) {
	var viewer = getViewer();
	if (viewer != undefined) {
		if (flickrHack(viewer,viewer.index)) {
			viewer.setLoading(false);
			viewer.index--;
			viewer.next();
			return;
		}
		viewer.show();
	}
}

function closePhoto() {
	var win = this.win;
	if (win == undefined) win = window;
	var doc = win.document;
	var elt = this.photoDiv;
	if (elt != undefined) doc.body.removeChild(elt);
	elt = doc.getElementById(VIEWER_ID_BACK);
	if (elt != undefined) doc.body.removeChild(elt);
	elt = doc.getElementById(VIEWER_ID_TOOLBAR);
	if (elt != undefined) doc.body.removeChild(elt);
	this.shown = false;
	this.slideShowRunning = false;
	this.slideShowPaused = false;
	try {
		this.showOverlappingElements();
	} catch(e) {
	}
	if (this.closeCallback != undefined) this.closeCallback(this.index);
}

function nextPhoto(n) {
	if (this.isLoading) return;
	if (n == undefined) n=1;
	var oldIndex = this.index;
	if (this.index + n >= this.photos.length) {
		if (!this.loop) {
			this.slideShowStop();
		}
		if (this.loop && n != this.photos.length) {
			this.index = 0;
		} else {
			this.index = this.photos.length-1;
		}
	} else if (this.index + n < 0) {
		if (n < -1) this.index = 0;
		else if(this.loop) this.index = this.photos.length - 1;
		else return;
	} else {
		this.index += n;
	}
	if (this.index == oldIndex) return;
	var img = new Image();
	this.photos[this.index].preloadImage = img;
	this.setLoading(true);
	img.onload = onPhotoLoad;
	img.onerror = onPhotoLoad;
	if (this.photos[this.index].src != undefined) {
		img.src = this.photos[this.index].src;
	} else {
		onPhotoLoad();
	}
}

function prevPhoto(n) {
	if (n == undefined) n=1;
	this.next(-n);
}

function firstPhoto() {
	this.prev(this.photos.length);
}

function lastPhoto() {
	this.next(this.photos.length);
}

function startSlideShow() {
	getViewer().slideShow(true);
}
var slideTimeout;
var slidePreloadImageLoaded = false;
var slidePreloadTime = undefined;

function slideShow(start) {
	var nextIndex = this.index + 1;
	if (nextIndex >= this.photos.length) {
		if (this.loop) nextIndex = 0;
		else if (!this.slideShowPaused && !this.slideShowRunning) {
			this.setToolbarImage(P_IMG_ROOT + "/" + TOOLBAR_IMG);
			return;
		}
	}
	var doc = this.win.document;
	var viewer = this;
	var photoElt = this.photoImg;
	if (photoElt == undefined) return;
	var photoDiv = this.photoDiv;
	var fadeElt = (FADE_BORDER ? photoDiv : photoElt);
	if (start != undefined && start === true) {
		if (this.slideShowPaused) {
			this.slideShowPaused = false;
			this.setToolbarImage(P_IMG_ROOT + "/" + TOOLBAR_IMG_RUNNING);
			return;
		} else if (this.slideShowRunning) {
			this.slideShowPaused = true;
			this.setToolbarImage(P_IMG_ROOT + "/" + TOOLBAR_IMG);
			return;
		} else {
			this.slideShowRunning = true;
			this.slideShowPaused = false;
			this.slideFirstPhoto = true;
			this.setToolbarImage(P_IMG_ROOT + "/" + TOOLBAR_IMG_RUNNING);
		}
		if (this.isLoading || this.index >= this.photos.length - 1) {
			return;
		}
	} else if (this.slideShowPaused) {
		window.setTimeout(function() { viewer.slideShow(false);	},200);
		return;
	} else if (!this.slideShowRunning) {
		this.setToolbarImage(P_IMG_ROOT + "/" + TOOLBAR_IMG);
		return;
	}
	var left = 0;
	if (photoElt.leftOffset != undefined) {
		left = parseFloat(photoElt.leftOffset);
	}
	if (left === 0) {
		if (nextIndex < this.photos.length) {
			slidePreloadImageLoaded = false;
			var slidePreloadImage = new Image();
			this.photos[nextIndex].preloadImage = slidePreloadImage;
			slidePreloadTime = getTimeMillis();
			slidePreloadImage.onload = onSlideLoad;
			slidePreloadImage.onerror = onSlideLoad;
			slidePreloadImage.src = this.photos[nextIndex].src;
		}
	}
	if (left >-SLIDE_OFFSET) {
		left -= MOVE_STEP;
		if (-left <= FADE_STEPS) {
			if (fadeElt.style.opacity != undefined && parseFloat(fadeElt.style.opacity) < 1) {
				if (this.fadePhotos && this.photos[this.index].src != undefined) setOpacity(fadeElt,-left/FADE_STEPS);
			}
		} else if (left + SLIDE_OFFSET < FADE_STEPS) {
			if (nextIndex < this.photos.length && !slidePreloadImageLoaded) {
				if (slidePreloadTime != undefined && getTimeMillis() - slidePreloadTime > PRELOAD_TIMEOUT) slidePreloadImageLoaded = true;
				left++;
				this.setLoading(true);
			} else {
				if (nextIndex < this.photos.length && this.fadePhotos && this.photos[this.index].src != undefined) setOpacity(fadeElt,(left+SLIDE_OFFSET)/FADE_STEPS);
			}
		}
		photoElt.leftOffset = left;
		if (this.panPhotos && !this.slideFirstPhoto) {
			photoElt.style.left = left + "px";
		}
	} else {
		if (nextIndex >= this.photos.length) {
			this.slideShowRunning = false;
			this.slideShowPaused = false;
			this.setToolbarImage(P_IMG_ROOT + "/" + TOOLBAR_IMG);
			if (this.endCallback != undefined) this.endCallback();
			return;
		}
		this.index = nextIndex;
		this.slideFirstPhoto = false;
		this.show(undefined,(this.panPhotos ? SLIDE_OFFSET : 0) ,0);
		fadeElt = (FADE_BORDER ? this.photoDiv : this.photoImg);
		if (this.fadePhotos) setOpacity(fadeElt,0);
		this.photoImg.leftOffset = 0;
		if (this.panPhotos) this.photoImg.style.left = "0px";
	}
	var pause = this.slideDuration / SLIDE_OFFSET;
	if (this.slideFirstPhoto) {
		pause /= 2;
	}
	slideTimeout = window.setTimeout(function() { viewer.slideShow(false);},pause);
}

function onSlideLoad(event) {
	var viewer = getViewer();
	if (viewer != undefined) {
		if (flickrHack(viewer,viewer.index + 1)) {
			var slidePreloadImage = viewer.photos[viewer.index + 1].preloadImage;
			slidePreloadImage.src = viewer.photos[viewer.index + 1].src;
			slidePreloadTime = getTimeMillis();
			return;
		}
		slidePreloadImageLoaded = true;
		viewer.setLoading(false);
	}
}

function slideShowStop() {
	this.slideShowRunning = false;
	this.slideShowPaused = false;
	var doc = this.win.document;
	var photoElt = this.photoImg;
	if (photoElt != undefined) {
		if (this.fadePhotos) {
			var fadeElt = (FADE_BORDER ? this.photoDiv : photoElt);
			setOpacity(fadeElt,1);
		}
		photoElt.style.left = "0px";
	}
}

function addBackShade(zIndex) {
	var doc = this.win.document;
	if (doc.getElementById(VIEWER_ID_BACK) != undefined) {
		return;
	}
	var photoBack = doc.createElement("div");
	photoBack.id = VIEWER_ID_BACK;
	photoBack.style.top = "0px";
	photoBack.style.left = "0px";
	photoBack.style.bottom = "0px";
	photoBack.style.right = "0px";
	photoBack.style.margin = "0";
	photoBack.style.padding = "0";
	photoBack.style.border = "none";
	photoBack.style.cursor = "pointer";
	if (IE && !(IE7 && STRICT_MODE)) {
		photoBack.style.position = "absolute";
		var docSize = getDocumentSize(this.win);
		photoBack.style.width = (docSize.w - 21) + "px";
		photoBack.style.height = (docSize.h - 4) + "px";
	} else {
		photoBack.style.position = "fixed";
		photoBack.style.width = "100%";
		photoBack.style.height = "100%";
	}
	photoBack.style.zIndex = zIndex - 1;
	photoBack.style.backgroundColor = this.shadeColor;
	if (this.backgroundShade) setOpacity(photoBack,this.shadeOpacity);
	else setOpacity(photoBack,0.0);
	photoBack.onclick = onClickEvent;
	doc.body.appendChild(photoBack);
}

function addToolbar(availW,zIndex) {
	var doc = this.win.document;
	var i;
	if (doc.getElementById(VIEWER_ID_TOOLBAR) != undefined) return;
	var photoToolbar = doc.createElement("div");
	photoToolbar.id = VIEWER_ID_TOOLBAR;
	var bottom = 10;
	if (IE && !(IE7 && STRICT_MODE)) {
		photoToolbar.style.position = "absolute";
		if (IE7) {
			var top = getWindowSize(this.win).h + getScrollPos(this.win).top;
			photoToolbar.style.top = (top - TOOLBAR_H - 10) + "px";
		} else {
			photoToolbar.style.bottom = bottom + "px";
		}
	} else {
		photoToolbar.style.position = "fixed";
		photoToolbar.style.bottom = bottom + "px";
	}
	photoToolbar.style.left = (availW - TOOLBAR_W + 10) / 2 + "px";
	photoToolbar.style.width = TOOLBAR_W + "px";
	photoToolbar.style.height = TOOLBAR_H + "px";
	photoToolbar.style.textAlign = "center";
	setOpacity(photoToolbar,0.7);
	photoToolbar.style.zIndex = zIndex + 1;
	var imgBack = TOOLBAR_IMG_BACK;
	photoToolbar.style.backgroundImage = "url('" + P_IMG_ROOT + "/" + imgBack + "')";
	photoToolbar.style.backgroundPosition = "50% 0%";
	photoToolbar.style.backgroundRepeat = "no-repeat";
	if (STRICT_MODE) {
		photoToolbar.style.lineHeight = "0.8em";
	}
	var toolbarMask = undefined;
	if (!this.enableEmailLink) {
		toolbarMask = doc.createElement("img");
		toolbarMask.style.position = "absolute";
		toolbarMask.style.width = 44;
		toolbarMask.style.height = 44;
		toolbarMask.style.left = "289px";
		toolbarMask.style.top = "0px";
		toolbarMask.src = P_IMG_ROOT + "/" + TOOLBAR_IMG_MASK;
		photoToolbar.appendChild(toolbarMask);
	}
	if (!this.enablePhotoLink) {
		toolbarMask = doc.createElement("img");
		toolbarMask.style.position = "absolute";
		toolbarMask.style.width = 44;
		toolbarMask.style.height = 44;
		toolbarMask.style.left = "339px";
		toolbarMask.style.top = "0px";
		toolbarMask.src = P_IMG_ROOT + "/" + TOOLBAR_IMG_MASK;
		photoToolbar.appendChild(toolbarMask);
	}
	var imgMap = doc.createElement("map");
	imgMap.name = VIEWER_ID_TOOLBAR_MAP;
	imgMap.id = VIEWER_ID_TOOLBAR_MAP;
	var areas = [];
	areas.push(["window.parent.document.viewer.first()","17",getMessage("photoviewer.toolbar.first")]);
	areas.push(["window.parent.document.viewer.prev()","68",getMessage("photoviewer.toolbar.prev")]);
	areas.push(["window.parent.document.viewer.slideShow(true)","122",getMessage("photoviewer.toolbar.slideShow")]);
	areas.push(["window.parent.document.viewer.next()","175",getMessage("photoviewer.toolbar.next")]);
	areas.push(["window.parent.document.viewer.last()","227",getMessage("photoviewer.toolbar.last")]);
	if (this.enableEmailLink) areas.push(["window.parent.document.viewer.email()","300",getMessage("photoviewer.toolbar.email")]);
	if (this.enablePhotoLink) areas.push(["window.parent.document.viewer.permalink()","350",getMessage("photoviewer.toolbar.permalink")]);
	areas.push(["window.parent.document.viewer.close()","402",getMessage("photoviewer.toolbar.close")]);
	for (i = 0; i < areas.length; i++) {
		var area = doc.createElement("area");
		area.href = "javascript:void(0)";
		area.alt = areas[i][2];
		area.title = area.alt;
		area.shape = "circle";
		area.coords = areas[i][1] + ", 21, 22";
		area.onclick = buildAreaMapClosure(areas[i][0]);
		imgMap.appendChild(area);
	}
	var img = doc.createElement("img");
	img.id = VIEWER_ID_TOOLBAR_IMG;
	img.src = P_IMG_ROOT + "/" + TOOLBAR_IMG;
	img.width = TOOLBAR_IMG_W;
	img.height = TOOLBAR_IMG_H;
	img.style.border = "none";
	img.style.background = "none";
	img.style.margin = "4px";
	img.useMap = "#" + VIEWER_ID_TOOLBAR_MAP;
	photoToolbar.appendChild(imgMap);
	photoToolbar.appendChild(img);
	if (isHosted()) {
		var ttLink = doc.createElement("a");
		ttLink.style.position = "absolute";
		ttLink.style.bottom = "0px";
		ttLink.style.right = "0px";
		ttLink.style.width = "25px";
		ttLink.style.height = "25px";
		ttLink.style.background = "none";
		ttLink.alt = "H-DCD";
		ttLink.title = ttLink.alt;
		ttLink.cursor = ttLink.alt;
		ttLink.href = TOOLBAR_LINK;
		ttLink.target = "_new";
		ttLink.alt = "H-DCD Slideshow";
		ttLink.title = ttLink.alt;
		photoToolbar.appendChild(ttLink);
	}
	var loadingIcon = doc.createElement("img");
	loadingIcon.id = VIEWER_ID_LOADING;
	loadingIcon.width = 16;
	loadingIcon.height = 16;
	loadingIcon.style.display = "none";
	loadingIcon.style.position = "absolute";
	loadingIcon.style.left = (273 - 8) + "px";
	loadingIcon.style.top = (24 - 8) + "px";
	loadingIcon.src = P_IMG_ROOT + "/" + TOOLBAR_IMG_LOADING;
	loadingIcon.style.border = "none";
	loadingIcon.style.background = "none";
	photoToolbar.appendChild(loadingIcon);
	photoToolbar.appendChild(doc.createElement("br"));
	var photoTime = doc.createElement("span");
	photoTime.id = VIEWER_ID_TIME;
	photoTime.position = "relative";
	photoTime.style.color = TOOLBAR_FONT_COLOR;
	photoTime.style.fontFamily = TOOLBAR_FONT_STYLE;
	photoTime.style.fontSize = this.fontSize + "px";
	if (STRICT_MODE) {
		photoTime.style.lineHeight = this.fontSize + "px";
	}
	if (this.font != undefined) {
		photoTime.style.font = this.font;
	}
	photoTime.style.cssFloat = "none";
	photoTime.style.textAlign = "right";
	photoTime.style.padding = "0px 10px";
	photoTime.appendChild(doc.createTextNode(" "));
	photoToolbar.appendChild(photoTime);
	var photoTitle = doc.createElement("span");
	photoTitle.id = VIEWER_ID_TITLE;
	photoTitle.position = "relative";
	photoTitle.style.color = TOOLBAR_FONT_COLOR;
	photoTitle.style.fontFamily = TOOLBAR_FONT_STYLE;
	photoTitle.style.fontSize = this.fontSize + "px";
	if (STRICT_MODE) {
		photoTitle.style.lineHeight = this.fontSize + "px";
	}
	if (this.font != undefined) {
		photoTitle.style.font = this.font;
	}
	photoTitle.style.cssFloat = "none";
	photoTitle.style.textAlign = "left";
	photoTitle.style.paddingRight = "20px";
	photoTitle.appendChild(doc.createTextNode(" "));
	photoToolbar.appendChild(photoTitle);
	doc.body.appendChild(photoToolbar);
	var photoByline = doc.createElement("div");
	photoByline.appendChild(doc.createTextNode(""));
	photoByline.style.color = TOOLBAR_FONT_COLOR;
	photoByline.style.fontFamily = TOOLBAR_FONT_STYLE;
	photoByline.style.fontSize = this.fontSize + "px";
	if (this.font != undefined) {
		photoByline.style.font = this.font;
	}
	photoByline.id = VIEWER_ID_BYLINE;
	photoByline.style.position = "absolute";
	photoByline.style.right = "5px";
	photoByline.style.bottom = "5px";
	photoByline.style.zIndex = zIndex + 1;
	photoByline.appendChild(doc.createTextNode(" "));
	doc.body.appendChild(photoByline);
}

function buildAreaMapClosure(func) {
	return function(event) {
		eval(func);
		blurElement(event);
		return false;
	};
}

function blurElement(event) {
	var target = getEventTarget(getEvent(event));
	if (target != undefined) target.blur();
}

function setToolbarImage(img) {
	var doc = this.win.document;
	var elt = doc.getElementById(VIEWER_ID_TOOLBAR_IMG);
	if (elt != undefined) elt.src = img;
}

function setShowToolbar(doShow) {
	this.showToolbar = doShow;
}

function addCaptions() {
	var photo = this.photos[this.index];
	var doc = this.win.document;
	var photoTime = doc.getElementById(VIEWER_ID_TIME);
	var photoTitle = doc.getElementById(VIEWER_ID_TITLE);
	var photoByline = doc.getElementById(VIEWER_ID_BYLINE);
	var time = (this.index + 1) + "/" + this.photos.length;
	if (photo.time != undefined) {
		time += " [" + photo.time + "]";
	}
	photoTime.firstChild.nodeValue = time;
	var title = (photo.title != undefined ? photo.title : "");
	photoTitle.title = "";
	photoTitle.alt = "";
	if (title.length > TITLE_MAX_LENGTH) {
		photoTitle.title = title;
		photoTitle.alt = title;
		title = title.substring(0,TITLE_MAX_LENGTH) + " ...";
	}
	if (title.indexOf("\n") !== 0) {
		title = title.replace("\n","<br />");
		photoTitle.innerHTML = title;
	} else {
		photoTitle.nodeValue = title;
	}
	if (photo.byline != undefined && photo.byline.length > 0) {
		photoByline.firstChild.nodeValue = photo.byline;
	} else {
		photoByline.firstChild.nodeValue = "";
	}
}

function setCloseCallback(callback) {
	this.closeCallback = callback;
}

function setShowCallback(callback) {
	this.showCallback = callback;
}

function setEndCallback(callback) {
	this.endCallback = callback;
}

function emailPhoto() {
	var photo = this.photos[this.index];
	var doc = this.win.document;
	var title = (photo.title != undefined ? photo.title : getMessage("photoviewer.email.subject.photo"));
	var mailtoLink = "mailto:?subject=" + title + "&body=" + getPhotoURL(photo.src);
	doc.location.href = mailtoLink;
}

function getPhotoURL(url) {
	var loc = document.location;
	if (/\w+:\/\/.+/.test(url)) {
		return url;
	} else if (url.indexOf("/") === 0) {
		return loc.protocol + "//" + loc.host + url;
	} else {
		var path = loc.pathname;
		var pos = path.lastIndexOf("/");
		if (pos != -1) {
			path = path.substring(0,pos);
		}
		return loc.protocol + "//" + loc.host + path + "/" + url;
	}
}

function linkPhoto() {
	var photo = this.photos[this.index];
	window.open(photo.src);
}

function favoritePhoto() {
	var photo = this.photos[this.index];
	var doc = this.win.document;
	var restURL = REST_URL + "markfeatured?id" + photo.id;
	try {
		var res = getResponse(restURL,false,true);
	} catch(e) {
		return;
	}
}

function hideOverlappingElements(node) {
	if (node == undefined) {
		node = this.win.document.body;
		this.hideOverlappingElements(node);
		return;
	}
	if (node.style != undefined && node.style.visibility != "hidden") {
		var nodeName = node.nodeName.toLowerCase();
		if ((node.className != undefined && node.className.indexOf("SlideshowDoHide") != -1) || (IE && (nodeName == "select" || nodeName == "object" || nodeName == "embed"))) {
			node.style.visibility = "hidden";
			if (this.hiddenElements == undefined) this.hiddenElements = [];
			this.hiddenElements.push(node);
		}
	}
	if (node.childNodes != undefined) {
		var i;
		for (i = 0; i < node.childNodes.length; i++) {
			this.hideOverlappingElements(node.childNodes[i]);
		}
	}
}

function showOverlappingElements() {
	var i;
	if (this.hiddenElements != undefined) {
		for (i = 0; i < this.hiddenElements.length; i++) {
			this.hiddenElements[i].style.visibility = "visible";
		}
		this.hiddenElements = [];
	}
}

function viewerHandleKey(event) {
	if (!getViewer) return true;
	var viewer = getViewer();
	if (viewer == undefined || !viewer.shown) return true;
	event = getEvent(event);
	if (event.ctrlKey || event.altKey) return true;
	var keyCode = event.keyCode;
	switch(keyCode) {
		case 37:
		case 38:
			viewer.prev();
			break;
		case 39:
		case 40:
			viewer.next();
			break;
		case 33:
			viewer.prev(10);
			break;
		case 34:
			viewer.next(10);
			break;
		case 36:
			viewer.first();
			break;
		case 35:
			viewer.last();
			break;
		case 32:
		case 13:
			viewer.slideShow(true);
			break;
		case 27:
			viewer.close();
			break;
		default:
			return true;
	}
	preventDefault(event);
	return false;
}

function flickrHack(viewer,index) {
	if (viewer.photos[index] != undefined) {
		var preloadPhoto = viewer.photos[index].preloadImage;
		if (preloadPhoto != undefined && preloadPhoto.width == 500 && preloadPhoto.height == 375) {
			var flickrRE = /.+static\.flickr\.com.+_b\.jpg/;
			if (flickrRE.test(preloadPhoto.src)) {
				viewer.photos[index].src = viewer.photos[index].src.replace(/_b\.jpg/,"_o.jpg");
				return true;
			}
		}
	}
	return false;
}

function findPhotosTT(viewer,node) {
	var i;
	if (node.nodeName.toLowerCase() == "a") {
		var onclick = node.getAttribute("onclick");
		if (onclick == undefined) {
			onclick = node.onclick;
		}
		if (onclick != undefined && new String(onclick).indexOf("popupImg") != -1) {
			var popupRE = /.*popupImg\((.+?),(.+?),(.+?)\).*/;
			if (popupRE.test(onclick)) {
				var url,w,h;
				if (node.photoUrl != undefined) {
					url = node.photoUrl;
					w = node.photoW;
					h = node.photoH;
				} else {
					url = RegExp.$1;
					if (url.charAt(0) == "'" && url.charAt(url.length - 1) == "'") url = url.substring(1,url.length-1);
					w = parseInt(RegExp.$2);
					h = parseInt(RegExp.$3);
				}
				var photo = new PhotoImg(undefined,url,w,h);
				var found = false;
				for (i = 0; i < viewer.photos.length; i++) {
					if (viewer.photos[i].src == photo.src) {
						found = true;
						break;
					}
				}
				if (!found) viewer.add(photo);
			}
		}
	}
	if (node.childNodes != undefined) {
		for (i = 0; i < node.childNodes.length; i++) {
			findPhotosTT(viewer,node.childNodes[i]);
		}
	}
}
var defaultViewer = undefined;

function popupImg(url,w,h,backColor,showToolbar) {
	var i;
	if (defaultViewer == undefined) defaultViewer = new PhotoViewer();
	else {
		defaultViewer.photos=[];
		defaultViewer.index=0;
	}
	if (backColor != undefined) defaultViewer.setBackground(backColor,backColor,false);
	if (showToolbar == undefined || showToolbar) {
		findPhotosTT(defaultViewer,window.document.body);
		for (i = 0; i < defaultViewer.photos.length; i++) {
			if (defaultViewer.photos[i].src == url) {
				defaultViewer.show(i);
			}
		}
	}
	if (defaultViewer.photos === undefined || defaultViewer.photos.length === 0) {
		defaultViewer.setShowToolbar(false);
		defaultViewer.add(new PhotoImg(undefined,url,w,h));
		defaultViewer.show();
	}
	return false;
}

function onClickEvent() {
	var v = getViewer();
	if (v.customOnClickEvent != undefined) v.customOnClickEvent();
	else closeViewer();
}

function setupFragmentIdentifierModePhotoViewer(iframeLocation,iframename,viewerJSONArray) {
	var viewer = new PhotoViewer();
	viewer.origRootLocation = document.location.href;
	viewer.origIFrameLocation = iframeLocation;
	viewer.iframename = iframename;
	viewer.setCloseCallback(viewer.setStopFragmentIdentifier);
	for (var i = 0; i < viewerJSONArray.length; i++) {
		viewer.add(viewerJSONArray[i].url,viewerJSONArray[i].title,viewerJSONArray[i].date,viewerJSONArray[i].byline);
	}
	window.frames[viewer.iframename].location = viewer.origIFrameLocation + "#" + viewer.origRootLocation;
	viewer.checkStartFragmentIdentifier();
}

function checkStartFragmentIdentifier() {
	var href = document.location.href;
	if (href.indexOf("#startphoto=") == -1) {
		window.setTimeout(checkStartFragmentIdentifier,500);
	} else {
		var startPhoto = parseInt(href.substring(href.lastIndexOf("=") + 1));
		var viewer = getViewer();
		if (viewer.origRootLocation.indexOf("#") == -1) viewer.origRootLocation += "#";
		if (FIREFOX) {
			window.history.back();
		} else {
			document.location.href = viewer.origRootLocation;
		}
		viewer.show(startPhoto);
	}
}

function setStopFragmentIdentifier(index) {
	window.frames[getViewer().iframename].location = this.origIFrameLocation + "#stopphoto=" + index;
	checkStartFragmentIdentifier();
}

function setStartFragmentIdentifier(index) {
	var rootWin = getRootWindow();
	if (this.origIFrameLocation == undefined) this.origIFrameLocation = rootWin.location.href.substring(0,rootWin.location.href.indexOf("#"));
	if (this.origRootLocation == undefined) this.origRootLocation = rootWin.location.href.substring(rootWin.location.href.indexOf("#")+1);
	this.checkStopFragmentIdentifier();
	var frIdentifier = "#startphoto=" + index;
	rootWin.parent.location = this.origRootLocation + frIdentifier;
}

function checkStopFragmentIdentifier() {
	var href = getRootWindow().location.href;
	if (href.indexOf("#stopphoto") == -1) {
		window.setTimeout(checkStopFragmentIdentifier,500);
	} else {
		var viewer = getViewer();
		var index = href.substring(href.lastIndexOf("=") + 1);
		if (viewer.origIFrameLocation.indexOf("#") == -1) viewer.origIFrameLocation += "#";
		if (FIREFOX) {
			window.history.back();
		} else {
			getRootWindow().location.href = viewer.origIFrameLocation;
		}
		viewerCloseCallback(index);
	}
}