Booru Downloader + Viewer

The original fullsize images downloader, and viewer for more than 20 booru imageboards

このスクリプトの質問や評価の投稿はこちら通報はこちらへお寄せください。
// ==UserScript==
// @name        Booru Downloader + Viewer
// @description The original fullsize images downloader, and viewer for more than 20 booru imageboards
// @namespace   https://greasyfork.org/users/155308
// @author      se7en
// @version     1.1.0
// -------- INCLUDE
// @include     *://gelbooru.com/*
// @include     *://rule34.xxx/*
// @include     *://yande.re/*
// @include     *://*.donmai.us/*
// @include     *://*.sankakucomplex.com/*
// @include     *://behoimi.org/*
// @include     *://youhate.us/*
// @include     *://safebooru.org/*
// @include     *://uberbooru.com/*
// @include     *://bronibooru.com/*
// @include     *://www.bronibooru.com/*
// @include     *://mspabooru.com/*
// @include     *://e926.net/*
// @include     *://e621.net/*
// @include     *://*.booru.org/*
// @include     *://atfbooru.ninja/*
// @include     *://lolibooru.moe/*
// @include     *://hypnohub.net/*
// @include     *://tbib.org/*
// @include     *://konachan.net/*
// @include     *://konachan.com/*
// @include     *://rule34.paheal.net/*
// -------- EXCLUDE
// @exclude     *://simg3.gelbooru.com*//images/*
// @exclude     *://img.rule34.xxx*//images/*
// @exclude     *://files.yande.re*/images/*
// @exclude     *://files.yande.re*/jpeg/*
// @exclude     *://*.donmai.us*/data/*
// @exclude     *://*s.sankakucomplex.com*/data/*
// @exclude     *://behoimi.org*/data/*
// @exclude     *://safebooru.org*//images/*
// @exclude     *://uberbooru.com*/data/*
// @exclude     *://s3.amazonaws.com*/bronibooru/*
// @exclude     *://mspabooru.com*//images/*
// @exclude     *://static1.e926.net*/data/*
// @exclude     *://static1.e621.net*/data/*
// @exclude     *://img.booru.org*/*//images/*
// @exclude     *://atfbooru.ninja*/data/*
// @exclude     *://lolibooru.moe*/image/*
// @exclude     *://hypnohub.net*//data/image/*
// @exclude     *://tbib.org*//images/*
// @exclude     *://konachan.net*/images/*
// @exclude     *://konachan.net*/jpeg/*
// @exclude     *://konachan.com*/images/*
// @exclude     *://konachan.com*/jpeg/*
// @exclude     *://*.paheal.net*/_images/*
// -------- CONNECT
// @connect     gelbooru.com
// @connect     rule34.xxx
// @connect     yande.re
// @connect     donmai.us
// @connect     sankakucomplex.com
// @connect     behoimi.org
// @connect     safebooru.org
// @connect     uberbooru.com
// @connect     s3.amazonaws.com
// @connect     bronibooru.com
// @connect     mspabooru.org
// @connect     e926.net
// @connect     e621.net
// @connect     booru.org
// @connect     atfbooru.ninja
// @connect     lolibooru.moe
// @connect     hypnohub.net
// @connect     tbib.org
// @connect     konachan.net
// @connect     konachan.com
// @connect     paheal.net
// -------- GREASEMONKEY API
// @grant       GM_xmlhttpRequest
// @grant       GM_setValue
// @grant       GM_getValue
// @grant       GM_listValues
// @grant       GM_deleteValue
// @grant       GM_download
// @grant       GM_info
// ------  GREASEMONKEY 4.0+ COMPATIBILITY
// @require     https://greasemonkey.github.io/gm4-polyfill/gm4-polyfill.js
// @grant       GM.xmlHttpRequest
// @grant       GM.setValue
// @grant       GM.getValue
// @grant       GM.listValues
// @grant       GM.deleteValue
// @grant       GM.download
// @grant       GM.info
// ==/UserScript==

/*
 1.1.0
	+ added "close" button to viewer's navigation bar
	* fix userOptions loader (TamperMonkey bug?)
	* fix redirect on gelbooru's favorite pages
	* disable video preloader
 1.0.6
	* fix viewer colors on safebooru.org
	* fix url match on donmai.us post page
	* fix sankaku viewer
 1.0.4
	* fix 'ignoredTags' option: trimmed them
 1.0.3
	* fix include's list
 1.0.2
	* fix cofiguration data on tampermonkey
 1.0.1
	* fix preloader, it fell into infinite recursion, when total amount of images was equal to 1
 1.0.0
	+ added tabs to user menu:
		+ General: autoRun, createViewer, downloadJPEG, animateProgress
		+ Filename: maxTagsInName, tagsOrder, ignoredTags, tagsDelim, addImgBrdName, prefixedName, imgIdAtNameEnd
		+ Viewer: viewOriginal, viewJPEG, viewFirst, holdCtrl, fixedThumbs, fixedTags
	+ new user options:
		+ ignored tag names [''], in the Filename tab:
			* underscored tag names, that are not included into file name
		+ fixed thumb/tag list [false]/[true], in the Viewer tab
			* if false, then fade out the thumb/tag list, when mouse is out, and fade in, when mouse is over them, otherwise fixe them
		+ view original images [false], in the Viewer tab:
			* the old option called viewSample is replaced by the viewOriginal keeping backward compatibility
		+ show progress/status bar [true], in the Viewer tab
	+ auto hide the viewer's navigation bar
	+ auto focus on the viewer's thumb/tag list when the mouse cursor is over them, thus, making much easier to start scrolling them
	+ simple image preloader
	* change the default value of the 'holdCtrl' option to [false]
	* horizontally, and vertically centered images on the viewer window
	* set controls, and loop attributes on the video elements
	* restore browser history URL after viewer exit (older versions remain history URL unchanged after manipulations)
		* this is sankaku hack: simply replaces the current history URL by the image's post URL to enable the valid image loading
	* hide main page scroll bar when viewer activated
	* fixed viewer's 1st image thumbnail (post image thumb) on post page
	* little refactoring (for further changes)
 0.7.0
	+ compatibility with Greasemonkey 4.0+
 0.6.0
	+ advanced viewer:
		+ tag list on right sidebar
		+ thumbs on left sidebar
	* removed user options: maxWidth, maxHeight
 0.5.0
	+ image status/progress bar
	+ user option:
		+ animate initialization/downloading progress [true]
	* fix main button events
 0.4.2
	+ hotkey:
		+ 'Shift+A' - download all available images
	* fix image source getter
	- known issues:
		- 'Download Mode', and 'Download All' buttons don't work on post page of rule34.xxx, use hotkeys instead
 0.4.1
	* fix exclude-list typo
	* fix konachan jpeg images extension
 0.4.0
	+ supported imageboards:
		+ atfbooru
		+ lolibooru
		+ hypnohub
		+ tbib
		+ konachan
		+ paheal
	* change name 'rule34' to 'rule34.xxx'
	* fix bug on post page due to an empty viewer div
 0.3.2
	+ user option:
		+ tag-types order in file name ['character', 'copyright', 'artist', 'species', 'model', 'idol', 'photo_set', 'circle', 'medium', 'metadata', 'general', 'faults']
 0.3.1
	+ user options:
		+ hold Ctrl key to left/right navigate when viewing [true]
		+ maximum width of image, px [1000]
		+ maximum height of image, px [700]
	* little changes
 0.3.0
	+ simple image viewer
	+ user options:
		+ create image viewer - [true]
		+ view image sample - [true]
		+ view jpeg image (yande.re option) - [false]
		+ view 1st image on viewer activation - [true]
	+ hotkeys:
		+ 'Shift+V' - switch viewer on/off
		+ 'Ctrl+left/right' arrows - view previous/next image
	+ viewer buttons:
		+ Prev
		+ Source - open image file in a new tab
		+ Number - index of the current image
		+ Download
		+ Next
	+ @connect meta-data (to silence tampermonkey)
	* fix wrong image hostname for uberbooru
 0.2.7
	* scrollable content of user menu window
	* user menu window's size fitted to client's size
	* move user menu 'close' button to the top right of the menu window (x sign)
	* other little change
 0.2.5
	* fix typos
 0.2.4
	+ user option:
		+ Image ID, and ImageBoard name at the end of the file name [true]
	+ dynamically rename images on user options change
 0.2.3
	* fix image extensions on tampermonkey
 0.2.2
	* bugfixes
	* little changes
 0.2.0
	+ image downloader for imageboards:
		+ youhate.us
		+ safebooru
		+ uberbooru
		+ bronibooru
		+ mspabooru
		+ e926/e621
		+ *.booru.org
	+ user option:
		+ prefixed imageboard name [false]
 0.1.1
	+ user option:
		+ auto initialize the script [true]
	+ hotkey:
		+ 'Shift+M' - open/close user menu dialog
	* little changes
 0.1.0
	+ user menu
 0.0.13
	* refactoring
	* fix button events 
 0.0.10
	+ behoimi downloader
 0.0.9
	+ hotkey:
		+ 'Shift+I' - (re)initializes imageBoard (usefull for the imageboards with auto paging)
	* fix yande.re jpeg image extension
 0.0.8
	+ sankaku downloader
		+ chan.sankakucomplex.com
		+ idol.sankakucomplex.com
 0.0.7
	+ hotkey:
		+ 'Shift+D' - toggle the Download Mode on/off
	+ donmai downloader
		+ safebooru.donmai.us
		+ danbooru.donmai.us
		+ sonohara.donmai.us
		+ hijiribe.donmai.us
 0.0.6
	+ yande.re downloader
	+ user option:
		+ download jpeg image on yande.re [false]
 0.0.5
	+ rule34 downloader
	+ user option:
		+ add the imageboard name to the image name [true]
 0.0.3
	+ gelbooru downloader
	+ user options:
		+ maximum tags in the image name [10]
		+ tags delimeter in the image name ['-']
*/
if( window.self !== window.top )
	return;
var RANDOM = '1681238';//Math.floor(Math.random()*1e6 + 1e6);
var DEBUG = false;
console.log('start ' + GM.info.script.name + ' v' + GM.info.script.version + '..');
(async function(){
	function consoleLog(){window.console.log.apply(this, arguments);}
	function blank(){}
	var clog = (DEBUG ? consoleLog : blank);
	var userOptions = await initOptions(),
	    methodsObject = initMethodsObject(),
		imageBoard = initImageBoard();
	newCssClasses();
	
	//------------------------------------------------------------------------------------//
	//------------------------------------ IMAGE BOARD -----------------------------------//
	function initImageBoard( d )
	{
		/*
		var elmClass = initImageBoardClasses(d),
			elmData  = initImageBoardDataset(d),
			siteList = initSiteList(),
			download = initImageBoardDownloader(d),
			userMenu = initUserMenu(),
			view     = initImageBoardViewer(d),
			state    = {'viewMode': false, 'userMenu': false, 'downloadMode': false},
			divID    = 'image-board-div-' + RANDOM;
		*/
		var imgBrdCl = initImageBoardClasses(d),
			imgBrdDt = initImageBoardDataset(d),
			siteList = initSiteList(),
			imgBrdDw = initImageBoardDownloader(d),
			userMenu = initUserMenu(),
			imgBrdVw = initImageBoardViewer(d),
			imgBrdSt = {'viewMode': false, 'userMenu': false, 'downloadMode': false},
			imgBrdId = 'image-board-div-' + RANDOM;
		var retVal   = {
			get siteList(){return siteList;},
			get imgBrdCl(){return imgBrdCl;},
			get imgBrdDt(){return imgBrdDt;},
			get imgBrdId(){return imgBrdId;},
			get imgBrdDw(){return imgBrdDw;},
			get userMenu(){return userMenu;},
			get imgBrdVw(){return imgBrdVw;},
			get imgBrdSt(){return imgBrdSt;},
			get images(){return this.data.images;},
			get downloader(){return this.data.downloader;},
			get viewer(){return this.data.viewer;},
			data: {
				'images': {
					list: null,
					init: function( doc, type ){
						clog("imageBoard init..");
						siteList.init(type);
						imgBrdDt.init(doc);
						imgBrdCl.init(doc);
						this.list = this.list || [];
						this.doc = doc || document;
						var siteObj = siteList.val(type),
							isPost = siteObj.isPost(),
							imgD;
						if( isPost )
						{
							var img = siteObj.getPostImage();
							if( img && !imgBrdCl.hasClass( img, 'counted') )
								imgD = this.addNewImage( img, isPost, siteObj );
						}
						var thumbs = siteObj.getImageThumbs( this.doc ),
							_3ParentTypes = ['yande.re', 'lolibooru', 'hypnohub', 'konachan'],
							name = siteObj.name,
							num = (_3ParentTypes.indexOf(name) != -1 ? 3 : 2);
						clog("thumbs.length: ", thumbs.length);
						for( var i = 0, len = thumbs.length, thumb, par, h; i < len; ++i )
						{
							thumb = thumbs[i];
							if( imgBrdCl.hasClass( thumb, 'counted' ) )
								continue;
							imgD = this.addNewImage( thumb, false, siteObj );
							par = parent( thumb, num );
							par.appendChild( this.createProgressBar(imgD.index) );
							if( par.tagName === 'ARTICLE' )
							{
								try{
									h = par.style.height;
									h = parseInt(h.match(/\d+/)[0], 10);
									h += 15;
									h += 'px';
								}catch(er){
									console.error(er);
									h = null;
								}
								par.style.height = h || '170px';
							}
						}
					},
					addNewImage: function( img, isPost, siteObj ){
						this.list.push({});
						var imgD = last(this.list), pdiv;
						imgD.state = 'empty';
						imgD.index = this.list.length - 1;
						imgD.type = siteObj.name;
						if( isPost )
						{
							imgD.postId = siteObj.getPostId();
							imgD.postUrl = window.location.href;
							siteObj.setImageDataDoc(imgD);
							pdiv = this.createProgressBar(imgD.index);
							if( img.parentNode.tagName != 'A' )
								img.parentNode.insertBefore(pdiv, img.nextSibling);
							else
								img.parentNode.parentNode.appendChild(pdiv);
						}else
							siteObj.setImageDataThumb( imgD, img );
						imgBrdDt.val( img, 'index', imgD.index);
						imgBrdCl.addClass( img, 'counted' );
						if( imgD.state === 'ready' )
						{
							siteObj.createDiv( imgBrdId, this.doc);
							imgBrdDw.init(imgBrdId, this.doc);
							setReadyImage( imgD, imgBrdCl, imgBrdDt, imgBrdDw, imgBrdVw );
						}
						return imgD;
					},
					createProgressBar: function(index ){
						var div = document.createElement('div'),
							html = '<div id="progress-stripe-' + index + '" ' +
							'class="progress-stripe progress-counted"></div>';
						div.setAttribute('class', 'progress-bar');
						div.insertAdjacentHTML('beforeend', html);
						return div;
					},
					getEmpty: function(){
						var empty = [];
						for( var i = 0; i < this.list.length; ++i )
						{
							if( this.list[i].state === 'empty' )
								empty.push(i);
						}
						return empty;
					},
					fix: function()
					{
						var empty = this.getEmpty(), animate = userOptions.val('animateProgress');
						clog("fix start..", empty.length);
						for( var i = 0, idx, imgD; i < empty.length; ++i )
						{
							idx = empty[i];
							imgD = this.list[idx];
							imgD.state = 'busy';
							this.getImageData(imgD, animate);
						}
					},
					getImageData: function(imgD, animate)
					{
						if( siteList.needXHR(imgD.type) )
						{
							if( animate )
								addClass(document.querySelectorAll('#progress-stripe-' + imgD.index), 'progress-animated');
							GM.xmlHttpRequest({
								url: imgD.postUrl,
								method: 'GET',
								context: {
									'index': imgD.index,
									'url': imgD.postUrl,
								},
								onload: xhrImageData,
							});
						}else{
							console.log("TODO :D");
							var siteObj = siteList.val(imgD.type);
							//siteObj.setImageDataFull(imgD);// TODO (yande.re, donmai)
						}
					},
				},
				'downloader': {
					init: function(doc, type){
						clog("downloader init..");
						siteList.init(type);
						var siteObj = siteList.val(type);
						siteObj.createDiv( imgBrdId, doc);
						imgBrdDw.init(imgBrdId, doc);
					},
					isActive: function(){
						//return imgBrdDw && imgBrdDw.isActive() || false;
						return imgBrdSt.downloadMode;
					},
					activateImage: function(thumb){
						if( !thumb )
							return;
						var a = thumb.parentNode;
						if( !imgBrdCl.hasClass(thumb, 'ready' ) )
							return;
						else if( !imgBrdCl.hasClass( a, 'downloadAttach' ) )
						{
							a.addEventListener('click', handleDownloadEvent, false);
							imgBrdCl.addClass( a, 'downloadAttach' );
						}
						imgBrdCl.addClass( a, 'downloadActive' );
					},
					activate: function(doc){
						clog("[downloader] activate");
						doc = doc || document;
						imgBrdCl.init(doc);
						var thumbs = imgBrdCl.queryAll('counted');
						for( var i = 0, len = thumbs.length; i < len; ++i )
							this.activateImage( thumbs[i] );
						imgBrdDw.downloadOn();
						imgBrdSt.downloadMode = true;
					},
					deactivate: function(doc){
						clog("[downloader] deactivate");
						doc = doc || document;
						imgBrdCl.init(doc);
						var activ = imgBrdCl.queryAll('downloadActive');
						clog("active.length: ", activ.length);
						for( var i = 0, len = activ.length; i < len; ++i )
							imgBrdCl.removeClass( activ[i], 'downloadActive' );
						imgBrdDw.downloadOff();
						imgBrdSt.downloadMode = false;
					},
					downloadAll: function(){
						imgBrdDw.downloadAll.click();// =)
					},
				},
				'userMenu': {
					init: function(doc, type){
						clog("userMenu init..");
						siteList.init(type);
						var siteObj = siteList.val(type);
						siteObj.createDiv( imgBrdId, doc);
						userMenu.init(imgBrdId, doc);
					},
				},
				'keyboard': {
					val: null,
					init: function(){
						if( !this.isActive )
							this.activate();
					},
					get isActive(){ return !!this.val;},
					activate: function(){
						activateKeyboard();
						this.val = true;
					},
					deactivate: function(){
						deactivateKeyboard();
						this.val = false;
					},
				},
				'viewer': {
					init: function(doc, type){
						clog("viewer init..");
						siteList.init(type);
						var siteObj = siteList.val(type);
						siteObj.createDiv( imgBrdId, doc);
						imgBrdVw.init(imgBrdId, doc, siteObj.viewDivInsertionPlace);
					},
					activateImage: function( thumb ){
						if( !thumb )
							return;
						var a = thumb.parentNode;
						if( !imgBrdCl.hasClass(thumb, 'ready' ) )
							return;
						else if( !imgBrdCl.hasClass( a, 'viewAttach' ) )
						{
							a.addEventListener('click', handleViewerEvent, false);
							imgBrdCl.addClass( a, 'viewAttach' );
						}
						imgBrdCl.addClass( a, 'viewActive' );
					},
					activate: function(doc){
						clog("viewer activate");
						doc = doc || document;
						imgBrdCl.init(doc);
						var thumbs = imgBrdCl.queryAll('counted');
						for( var i = 0, len = thumbs.length; i < len; ++i )
							this.activateImage( thumbs[i] );
						imgBrdVw.viewerOn();
						imgBrdSt.viewMode = true;
					},
					deactivate: function(doc){
						clog("viewer deactivate");
						doc = doc || document;
						imgBrdCl.init(doc);
						var activ = imgBrdCl.queryAll('viewActive');
						clog("active.length: ", activ.length);
						for( var i = 0, len = activ.length; i < len; ++i )
							imgBrdCl.removeClass( activ[i], 'viewActive' );
						imgBrdVw.viewerOff();
						imgBrdSt.viewMode = false;
					},
					isActive: function(){
						//return imgBrdVw.isActive();
						return imgBrdSt.viewMode;
					},
				},
			},
			init: function(doc){
				for( var key in this.data )
					this.data[key].init(doc);
			},
			fix: function(){
				this.data.images.fix();
			},
			initDiv: function(doc){
				doc = doc || document;
				var div = doc.querySelector('#' + imgBrdId),
					siteObj = siteList.val();
				if( !div )
					div = siteObj.createDiv(imgBrdId);
				if( !hasClass(div, 'image-board-div-activated') )
				{
					div.addEventListener('click', handleImageBoardEvent, false);
					addClass(div, 'image-board-div-activated');
				}
			},
		};
		retVal.init(d);
		setTimeout(function(){retVal.initDiv(d);}, 100);
		if( userOptions.val('autoRun') )
			retVal.fix();
		return retVal;
	}
	function handleImageBoardEvent(event)
	{
		var t = event.target,
			dId = 'image-board-download-switch-' + RANDOM,
			aId = 'image-board-download-all-' + RANDOM,
			vId = 'image-board-viewer-button-' + RANDOM,
			mId = 'image-board-user-menu-id-' + RANDOM;
		if( t.tagName === 'SPAN' )
			t = t.parentNode;
		if( t.tagName !== 'BUTTON' )
			return;
		else if( t.id === dId )
		{
			handleDownloadSwitchEvent();
		}
		else if( t.id === aId )
		{
			handleDownloadAllEvent();
		}
		else if( t.id === vId )
		{
			handleViewerSwitchEvent();
		}
		else if( t.id === mId )
		{
			handleUserMenuEvent();
		}else
			console.error("unknown element: ", t);
	}
	//------------------------------------ IMAGE BOARD -----------------------------------//
	//------------------------------------------------------------------------------------//
	//----------------------------------- XRH IMAGE DATA ---------------------------------//
	function xhrImageData(xhr)
	{
		var imgD = imageBoard.images.list[xhr.context.index];
		if( xhr.status !== 200 )
		{
			var context = xhr.context;
			console.error("xhr.status: ", xhr.status, xhr.statusText );
			console.error("index: ", context ? context.index : null);
			console.error("postUrl: ", context && context.url || null );
			if( imgD.state !== 'ready' )
				imgD.state = 'empty';
			removeClass( document.querySelectorAll('#progress-stripe-' + context.index), 'progress-animated' );
			return;
		}
		if( !imgD || imgD.state === 'ready' )
		{
			console.error("invalid context: ", imgD);
			return;
		}
		var siteObj = imageBoard.siteList.val(imgD.type);
		if( !siteObj )
		{
			console.error("invalid site type: ", imgD.type);
			return;
		}
		var doc = document.implementation.createHTMLDocument("");
		doc.documentElement.innerHTML = xhr.response;
		siteObj.setImageDataDoc(imgD, doc);
		clog("xhrImageData[" + imgD.index + "].state : " + imgD.state);
		if( imgD.state === 'ready' )
		{
			setReadyImage( imgD );
		}
	}
	function setReadyImage( imgD, imgBrdCl, imgBrdDt, imgBrdDw, imgBrdVw )
	{
		if( (!imgBrdCl || !imgBrdDt || !imgBrdDw || !imgBrdVw) && imageBoard )
		{
			imgBrdCl = imageBoard.imgBrdCl;
			imgBrdDt = imageBoard.imgBrdDt;
			imgBrdDw = imageBoard.imgBrdDw;
			imgBrdVw = imageBoard.imgBrdVw;
		}
		var thumb = imgBrdDt.query('index', imgD.index + ''),
			stripe = document.querySelectorAll('#progress-stripe-' + imgD.index);
		addClass(stripe, 'image-ready');
		removeClass(stripe, 'progress-animated');
		imgBrdCl.addClass( thumb, 'ready' );
		imgBrdDt.val( thumb, 'source', imgD.source );
		if( imgD.bytes ) imgBrdDt.val( thumb, 'bytes', imgD.bytes );
		imgBrdDw.total += 1;
		imgBrdVw.total += 1;
		clog("name: " + imgD.name);
		if( imageBoard )
		{
			if( imageBoard.downloader.isActive() )
				imageBoard.downloader.activateImage( thumb );
			if( imageBoard.viewer.isActive() )
				imageBoard.viewer.activateImage( thumb );
		}
	}
	//----------------------------------- XRH IMAGE DATA ---------------------------------//
	//------------------------------------------------------------------------------------//
	//------------------------------------- SITE LIST ------------------------------------//
	function initSiteList()
	{
		var retVal = {
			settings: {
				'gelbooru':   getGelbooruSettings,
				'rule34.xxx': getRule34Settings,
				'yande.re':   getYandereSettings,
				'donmai':     getDonmaiSettings,
				'sankaku':    getSankakuSettings,
				'behoimi':    getBehoimiSettings,
				'youhate':    getGelbooruSettings,
				'safebooru':  getSafebooruSettings,
				'uberbooru':  getUberbooruSettings,
				'bronibooru': getBronibooruSettings,
				'mspabooru':  getMspabooruSettings,
				'e926.net':   getE926netSettings,
				'e621.net':   getE621netSettings,
				'.booru.org': getBooruorgSettings,
				'atfbooru':   getAtfbooruSettings,
				'lolibooru':  getLolibooruSettings,
				'hypnohub':   getHypnohubSettings,
				'tbib':       getTbibSettings,
				'konachan':   getKonachanSettings,
				'paheal.net': getPahealSettings,
			},
			data: null,
			get: function( type, prop1, prop2 ){
				var obj;
				if( !type )
					obj = this.currentObj;
				else{
					this.data[type].init();
					obj = this.data[type];
				}
				return nodeWalk.call( obj, prop1, prop2 );
			},
			style: function(type){
				return this.get( type, 'style' );
			},
			val: function(type){
				return this.get( type, 'val' );
			},
			needXHR: function(type){
				return this.get( type, 'needXHR' );
			},
			init: function(type, prefix){
				if( !this.data )
				{
					this.data = {};
					for( var key in this.settings )
						this.data[key] = getSiteObject( key, this.settings[key], prefix );
				}
				if( !type )
					this.initCurrent();
				else if( this.data[type] )
					this.data[type].init();
			},
			getSiteType: function(url){
				url = url || window.location.href;
				for( var key in this.data )
				{
					if( this.data[key].regexp.test(url) )
						return key;
				}
				console.error("no site object found for this host");
				return null;
			},
			initCurrent: function(){
				if( !this.currentObj )
				{
					var type = this.getSiteType();
					if( !type )
						return;
					this.currentObj = this.data[type];
				}
				this.currentObj.init();
			},
		};
		retVal.init();
		clog("siteList.current: ", retVal.val());
		return retVal;
	}
	//------------------------------------- SITE LIST ------------------------------------//
	//------------------------------------------------------------------------------------//
	//------------------------------------- SITE OBJECT ----------------------------------//
	function getSiteObject( siteName, getSiteSettings, prefix )
	{
		return {
			val: null,
			name: siteName,
			regexp: new RegExp( siteName ),
			get needXHR(){return this.val.needXHR;},
			get style(){return this.val.style;},
			get settings(){
				var s = ( typeof getSiteSettings === 'function' ? getSiteSettings(prefix) : null);
				Object.defineProperty( this, 'settings', {
					get: function(){return s;},
					enumerable: true,
					configurable: true,
				});
				return s;
			},
			init: function(){
				this.val = this.val || initSiteObject( this.settings );
			},
		};
	}
	function initSiteObject( siteSettings )
	{
		var retVal = {
			data: null,
			
			get name(){ return this.data.name; },
			get prefixedName(){
				var prefix = this.prefix,
					name = this.shortName;
				if( prefix )
					name = prefix + name;
				Object.defineProperty( this, 'prefixedName', {
					get: function(){return name;},
					enumerable: true,
					configurable: true,
				});
				return name;
			},
			get prefix(){return this.data.prefix; },
			get shortName(){
				var name = this.name.replace(/^\./, '');
				Object.defineProperty( this, 'shortName', {
					get: function(){return name;},
					enumerable: true,
					configurable: true,
				});
				return name;
			},
			get hostname(){return this.data.hostname; },
			get imageHostname(){return this.data.imageHostname;},
			get imageDir(){return this.data.imageDir; },
			get style(){return this.data.style;},
			get postDivInsertionPlace(){return this.data.postDivInsertionPlace;},
			get listDivInsertionPlace(){return this.data.listDivInsertionPlace;},
			get viewDivInsertionPlace(){return this.data.viewDivInsertionPlace;},
			get methodsMap(){return this.data.methodsMap;},
			get needXHR(){return (typeof this.data.needXHR === 'boolean' ? this.data.needXHR : true);},
			init: function( settings ){
				this.data = this.data || settings;
				if( !this.data )
				{
					console.error("[initSiteObject] can't init siteObject, invalid data: ", this.data);
					return;
				}
				for( var i = 0, len = methodsObject.list.length, name, type, map = this.methodsMap || {}; i < len; ++i )
				{
					name = methodsObject.list[i];
					type = map[name] || 'booru';
					if( typeof methodsObject.method(type, name) === 'function' )
						this[name] = methodsObject.method(type, name);
				}
			},
		};
		retVal.init( siteSettings );
		return retVal;
	}
	//------------------------------------------------------------------------------------//
	//-------------------------------------- GELBOORU ------------------------------------//
	function getGelbooruSettings()
	{
		return {
			name: 'gelbooru',
			hostname: 'gelbooru.com',
			imageDir: '/images',
			imageHostname: 'simg3.gelbooru.com',
			postDivInsertionPlace: '#image',
			listDivInsertionPlace: '.contain-push',
			viewDivInsertionPlace: '.padding15',
			style: {
				color: '#fff',
				width: '180px',
				background: '#0773fb',
				backgroundHover: '#fbb307',
				colorHover: '#fff',
				backgroundView: '#fff',
			},
			methodsMap: {
				isPost: 'gelbooru',
				getPostId: 'gelbooru',
				getPostUrl: 'gelbooru',
			},
			needXHR: true,
		};
	}
	//------------------------------------------------------------------------------------//
	//--------------------------------------- RULE34 -------------------------------------//
	function getRule34Settings()
	{
		return {
			name: 'rule34.xxx',
			hostname: 'rule34.xxx',
			imageDir: '/images',
			imageHostname: 'img.rule34.xxx',
			postDivInsertionPlace: '#image',
			listDivInsertionPlace: 'div.content',
			viewDivInsertionPlace: 'div#post-list',
			style: {
				color: '#fff',
				width: '180px',
				background: '#84AE83',
				backgroundHover: '#A4CEA3',
				colorHover: '#fff',
			},
			methodsMap: {
				isPost: 'gelbooru',
				getPostId: 'gelbooru',
				getPostUrl: 'gelbooru',
			},
			needXHR: true,
		};
	}
	//------------------------------------------------------------------------------------//
	//------------------------------------- YANDE.RE -------------------------------------//
	function getYandereSettings()
	{
		return {
			name: 'yande.re',
			hostname: 'yande.re',
			imageDir: 'image',
			imageHostname: 'files.yande.re',
			postDivInsertionPlace: '#image',
			listDivInsertionPlace: 'div.content',
			viewDivInsertionPlace: 'div#post-list',
			style: {
				color: '#ee8887',
				width: '180px',
				background: '#222',
				backgroundHover: '#444',
				colorHover: '#ee8887',
			},
			methodsMap: null,
			needXHR: true,
		};
	}
	//------------------------------------------------------------------------------------//
	//-------------------------------------- DONMAI --------------------------------------//
	function getDonmaiSettings( prefix )
	{
		var prefixList = ['safebooru.', 'danbooru.', 'sonohara.', 'hijiribe.'],
			hostnameSuffix = 'donmai.us';
		prefix = getHostnamePrefix( hostnameSuffix, prefixList, prefix );
		var hostname = prefix + hostnameSuffix;
		return {
			name: 'donmai',
			prefix: prefix,
			hostname: hostname,
			imageHostname: hostname,
			imageDir: 'data',
			postDivInsertionPlace: '#image',
			listDivInsertionPlace: '#posts',
			viewDivInsertionPlace: '#page', //'#c-posts',
			style: {
				color: '#0073ff',
				width: '180px',
				background: '#f5f5ff',
				backgroundHover: '#f5f5ff',
				colorHover: '#80b9ff',
			},
			methodsMap: {
				isPost: 'donmai',
				getPostId: 'donmai',
				getPostUrl: 'donmai',
			},
			needXHR: true,
		};
	}
	//------------------------------------------------------------------------------------//
	//-------------------------------------- SANKAKU -------------------------------------//
	function getSankakuSettings(prefix)
	{
		var prefixList = ['chan.', 'idol.'],
			hostnameSuffix = 'sankakucomplex.com';
		prefix = getHostnamePrefix( hostnameSuffix, prefixList, prefix );
		var hostname = prefix + hostnameSuffix,
			imageHostnamePrefix = (prefix ? prefix[0] + 's.' : '');
		return {
			name: 'sankaku',
			prefix: prefix,
			hostname: hostname,
			imageHostname: imageHostnamePrefix + hostnameSuffix,
			imageDir: 'data',
			postDivInsertionPlace: '#image',
			listDivInsertionPlace: '#content',
			viewDivInsertionPlace: '#content',
			style: {
				color: '#ff761c',
				width: '180px',
				background: '',
				backgroundHover: '',
				colorHover: '#666',
			},
			methodsMap: null,
			needXHR: true,
		};
	}
	//------------------------------------------------------------------------------------//
	//-------------------------------------- BEHOIMI -------------------------------------//
	function getBehoimiSettings()
	{
		return {
			name: 'behoimi',
			hostname: 'behoimi.org',
			imageHostname: 'behoimi.org',
			imageDir: 'data',
			postDivInsertionPlace: '#image',
			listDivInsertionPlace: 'div.content',
			viewDivInsertionPlace: 'div#post-list',
			style: {
				color: '#43333f',
				width: '180px',
				background: '',
				backgroundHover: '',
				colorHover: '#354d99',
			},
			methodsMap: null,
			needXHR: true,
		};
	}
	//------------------------------------------------------------------------------------//
	//-------------------------------------- SAFEBOORU -----------------------------------//
	function getSafebooruSettings()
	{
		return {
			name: 'safebooru',
			hostname: 'safebooru.org',
			imageHostname: 'safebooru.org',
			imageDir: '/images',
			postDivInsertionPlace: '#image',
			listDivInsertionPlace: 'div.content',
			viewDivInsertionPlace: 'div#post-list',
			style: {
				color: '#fff',
				width: '180px',
				background: '#006ffa',
				backgroundHover: '#006ffa',
				colorHover: '#33cfff',
			},
			methodsMap: {
				isPost: 'gelbooru',
				getPostId: 'gelbooru',
				getPostUrl: 'gelbooru',
			},
			needXHR: true,
		};
	}
	//------------------------------------------------------------------------------------//
	//-------------------------------------- UBERBOORU -----------------------------------//
	function getUberbooruSettings()
	{
		return {
			name: 'uberbooru',
			hostname: 'uberbooru.com',
			imageHostname: 'uberbooru.com',
			imageDir: 'data',
			postDivInsertionPlace: '#image',
			listDivInsertionPlace: '#posts',
			viewDivInsertionPlace: 'div#page', // 'div#c-posts',
			style: {
				color: '#000',
				width: '180px',
				background: '#e6e6e6',
				backgroundHover: '#e6e6e6',
				colorHover: '#008',
			},
			methodsMap: {
				isPost: 'donmai',
				getPostId: 'donmai',
				getPostUrl: 'donmai',
			},
			needXHR: true,
		};
	}
	//------------------------------------------------------------------------------------//
	//------------------------------------- BRONIBOORU -----------------------------------//
	function getBronibooruSettings()
	{
		return {
			name: 'bronibooru',
			hostname: 'bronibooru.com',
			imageHostname: 's3.amazonaws.com',
			imageDir: 'bronibooru',
			postDivInsertionPlace: '#image',
			listDivInsertionPlace: '#posts',
			viewDivInsertionPlace: 'div#page', // 'div#c-posts',
			style: {
				color: '#0073ff',
				width: '180px',
				background: '#f7f7ff',
				backgroundHover: '#f7f7ff',
				colorHover: '#80b9ff',
			},
			methodsMap: {
				isPost: 'donmai',
				getPostId: 'donmai',
				getPostUrl: 'donmai',
			},
			needXHR: true,
		};
	}
	//------------------------------------------------------------------------------------//
	//-------------------------------------- MSPABOORU -----------------------------------//
	function getMspabooruSettings()
	{
		return {
			name: 'mspabooru',
			hostname: 'mspabooru.com',
			imageHostname: 'mspabooru.com',
			imageDir: '/images',
			postDivInsertionPlace: '#image',
			listDivInsertionPlace: 'div.content',
			viewDivInsertionPlace: 'div#post-list', // 'div#content',
			style: {
				color: '#fff',
				width: '180px',
				background: '#006ffa',
				backgroundHover: '#006ffa',
				colorHover: '#33cfff',
			},
			methodsMap: {
				isPost: 'gelbooru',
				getPostId: 'gelbooru',
				getPostUrl: 'gelbooru',
			},
			needXHR: true,
		};
	}
	//------------------------------------------------------------------------------------//
	//--------------------------------------- E926NET ------------------------------------//
	function getE926netSettings()
	{
		return {
			name: 'e926.net',
			hostname: 'e926.net',
			imageHostname: 'static1.e926.net',
			imageDir: 'data',
			postDivInsertionPlace: '#image',
			listDivInsertionPlace: 'div.content-post',
			viewDivInsertionPlace: 'div#content', // 'div#post-list',
			style: {
				color: '#fff',
				width: '180px',
				background: '#152f56',
				backgroundHover: '#152f56',
				colorHover: '#2e76b4',
			},
			methodsMap: null,
			needXHR: true,
		};
	}
	//------------------------------------------------------------------------------------//
	//--------------------------------------- E621NET ------------------------------------//
	function getE621netSettings()
	{
		return {
			name: 'e621.net',
			hostname: 'e621.net',
			imageHostname: 'static1.e621.net',
			imageDir: 'data',
			postDivInsertionPlace: '#image',
			listDivInsertionPlace: 'div.content-post',
			viewDivInsertionPlace: 'div#content', // 'div#post-list',
			style: {
				color: '#fff',
				width: '180px',
				background: '#152f56',
				backgroundHover: '#152f56',
				colorHover: '#2e76b4',
			},
			methodsMap: null,
			needXHR: true,
		};
	}
	//------------------------------------------------------------------------------------//
	//--------------------------------------- *.BOORU ------------------------------------//
	function getBooruorgSettings(prefix)
	{
		var prefixList = [], hostnameSuffix = 'booru.org';
		prefix = getHostnamePrefix( hostnameSuffix, prefixList, prefix );
		var hostname = prefix + hostnameSuffix;
		return {
			name: '.booru.org',
			prefix: prefix,
			hostname: hostname,
			imageHostname: 'img.booru.org',
			imageDir: prefix + '//images',
			postDivInsertionPlace: '#image',
			listDivInsertionPlace: 'div.content',
			viewDivInsertionPlace: 'div#content', // 'div#post-list',
			style: {
				color: '#fff',
				width: '180px',
				background: '#0773fb',
				backgroundHover: '#fbb307',
				colorHover: '#fff',
			},
			methodsMap: {
				isPost: 'gelbooru',
				getPostId: 'gelbooru',
				getPostUrl: 'gelbooru',
			},
			needXHR: true,
		};
	}
	//------------------------------------------------------------------------------------//
	//--------------------------------------- ATFBOORU -----------------------------------//
	function getAtfbooruSettings()
	{
		return {
			name: 'atfbooru',
			hostname: 'atfbooru.ninja',
			imageHostname: 'atfbooru.ninja',
			imageDir: 'data',
			postDivInsertionPlace: '#image',
			listDivInsertionPlace: '#posts',
			viewDivInsertionPlace: '#page', //'#c-posts',
			style: {
				color: '#0073ff',
				width: '180px',
				background: '#f5f5ff',
				backgroundHover: '#f5f5ff',
				colorHover: '#80b9ff',
			},
			methodsMap: {
				isPost: 'donmai',
				getPostId: 'donmai',
				getPostUrl: 'donmai',
			},
			needXHR: true,
		};// donmai like
	}
	//------------------------------------------------------------------------------------//
	//------------------------------------- LOLIBOORU ------------------------------------//
	function getLolibooruSettings()
	{
		return {
			name: 'lolibooru',
			hostname: 'lolibooru.moe',
			imageDir: 'image',
			imageHostname: 'lolibooru.moe',
			postDivInsertionPlace: '#image',
			listDivInsertionPlace: 'div.content',
			viewDivInsertionPlace: 'div#post-list',
			style: {
				color: '#ee8887',
				width: '180px',
				background: '#222',
				backgroundHover: '#444',
				colorHover: '#ee8887',
			},
			methodsMap: null,
			needXHR: true,
		};// yande.re like
	}
	//------------------------------------------------------------------------------------//
	//------------------------------------- HYPNOHUB -------------------------------------//
	function getHypnohubSettings()
	{
		return {
			name: 'hypnohub',
			hostname: 'hypnohub.net',
			imageDir: '/data/image',
			imageHostname: 'hypnohub.net',
			postDivInsertionPlace: '#image',
			listDivInsertionPlace: 'div.content',
			viewDivInsertionPlace: 'div#post-list',
			style: {
				color: '#ee8887',
				width: '180px',
				background: '#222',
				backgroundHover: '#444',
				colorHover: '#ee8887',
			},
			methodsMap: null,
			needXHR: true,
		};// yande.re like
	}
	//------------------------------------------------------------------------------------//
	//---------------------------------------- TBIB --------------------------------------//
	function getTbibSettings()
	{
		return {
			name: 'tbib',
			hostname: 'tbib.org',
			imageDir: '/images',
			imageHostname: 'tbib.org',
			postDivInsertionPlace: '#image',
			listDivInsertionPlace: 'div.content',
			viewDivInsertionPlace: 'div#post-list',
			style: {
				color: '#fff',
				width: '180px',
				background: '#0773fb',
				backgroundHover: '#fbb307',
				colorHover: '#fff',
			},
			methodsMap: {
				isPost: 'gelbooru',
				getPostId: 'gelbooru',
				getPostUrl: 'gelbooru',
			},
			needXHR: true,
		};// gelbooru like
	}
	//------------------------------------------------------------------------------------//
	//------------------------------------- KONACHAN -------------------------------------//
	function getKonachanSettings()
	{
		var hostname = window.location.hostname;
		return {
			name: 'konachan',
			hostname: hostname,
			imageDir: 'image',
			imageHostname: hostname,
			postDivInsertionPlace: '#image',
			listDivInsertionPlace: 'div.content',
			viewDivInsertionPlace: 'div#post-list',
			style: {
				color: '#ee8887',
				width: '180px',
				background: '#222',
				backgroundHover: '#444',
				colorHover: '#ee8887',
			},
			methodsMap: null,
			needXHR: true,
		};// yande.re like
	}
	//------------------------------------------------------------------------------------//
	//--------------------------------------- PAHEAL -------------------------------------//
	function getPahealSettings()
	{
		return {
			name: 'paheal.net',
			prefix: 'rule34.',
			hostname: 'rule34.paheal.net',
			imageDir: '_images',
			imageHostname: '.paheal.net',
			postDivInsertionPlace: '#main_image',
			listDivInsertionPlace: '#imagelist',
			viewDivInsertionPlace: '#imagelist',
			style: {
				color: '#fff',
				width: '180px',
				background: '#84AE83',
				backgroundHover: '#A4CEA3',
				colorHover: '#fff',
			},
			methodsMap: {
				isPost: 'paheal',
				getPostId: 'paheal',
				getPostUrl: 'paheal',
			},
			needXHR: true,
		};
	}
	//------------------------------------------------------------------------------------//
	//------------------------------------- HOST PREFIX ----------------------------------//
	function getHostnamePrefix( hostnameSuffix, prefixList, prefix )
	{
		var hostname,
			errorMessage = "[getHostnamePrefix](hostnameSuffix='" + hostnameSuffix +
			"', prefixList=[" + prefixList.join(',') + "]" + (prefix ? ", prefix='" + prefix + "'" : "") + ") ",
			regExp;
		if( prefix )
		{
			if( prefixList.indexOf(prefix) == -1 )
			{
				console.error(errorMessage + "\nnot supported prefix");
				return '';
			}
		}else{
			hostname = window.location.hostname;
			if( hostname.indexOf(hostnameSuffix) == -1 )
			{
				console.error(errorMessage + "\ninvalid hostname: " + hostname );
				return '';
			}
			for( var i = 0, len = prefixList.length; i < len; ++i )
			{
				if( hostname.indexOf(prefixList[i]) == -1 )
					continue;
				prefix = prefixList[i];
				break;
			}
		}
		if( !prefix )
		{
			try{
				regExp = new RegExp('([^\\.]+\\.)(' + hostnameSuffix + ')' );
				prefix = hostname.match(regExp)[1];
			}catch(e){
				console.error(e);
				console.error(errorMessage + "\nno valid prefix for hostname: " + hostname );
			}
		}
		return prefix || '';
	}
	//------------------------------------------------------------------------------------//
	//----------------------------------- METHODS OBJECT ---------------------------------//
	function initMethodsObject()
	{
		var retVal = {
			get list(){return this.map.list;},
			map: {
				list: [
					'isPost',
					'getPostId',// get post id from href
					'getPostUrl',// get post url by postId
					// method of thumbnail data grabbing
					'getImageThumbs',
					'setImageDataThumb',
					// methods of image data getting from image post page
					'getPostImage',
					'setImageOriginalResolution',
					'setImageDataSize',
					'setImageDataSourceLowres',
					'setImageDataSourceHighres',
					'setImageDataTags',
					'setImageDataName',
					'setImageDataExtension',
					'setImageDataBytes',
					'setImageDataDoc',
					// create place for buttons insertion
					'getPostDivInsertionPlace',
					'getListDivInsertionPlace',
					'createDiv',
				],
			},
			data: {
				'booru': {
					val: null,
					init: function(){
						this.val = this.val || getBooruMethodsObject();
					},
				},
				'gelbooru': {
					val: null,
					init: function(){
						this.val = this.val || getGelbooruMethodsObject();
					},
				},
				'donmai': {
					val: null,
					init: function(){
						this.val = this.val || getDonmaiMethodsObject();
					},
				},
				'paheal': {
					val: null,
					init: function(){
						this.val = this.val || getPahealMethodsObject();
					},
				},
			},
			init: function(){
				for( var type in this.data )
					this.data[type].init();
			},
			method: function( type, name ){
				if( this.data[type] )
				{
					if( name )
						return this.data[type].val[name];
					return this.data[type].val;
				}
				return null;
			},
		};
		retVal.init();
		return retVal;
	}
	//----------------------------------- METHODS OBJECT ---------------------------------//
	//------------------------------------------------------------------------------------//
	//-------------------------------- BOORU METHODS OBJECT ------------------------------//
	function getBooruMethodsObject()
	{
		var retVal = {
			isPost: function(url){
				url = url || window.location.pathname || window.location.href;
				return /\/post\/show\/\d+/.test(url);
			},
			getPostId: function(url){
				url = url || window.location.href;
				if( this.isPost(url) )
					return getLocation(url, 'pathname').match(/\d+/)[0];
				return null;
			},
			getPostUrl: function(postId){
				return window.location.protocol + '//' + this.hostname + '/post/show/' + postId;
			},
			getPostDivInsertionPlace: function(doc){
				doc = doc || document;
				var insertPlace = doc.querySelector( this.postDivInsertionPlace );
				if( insertPlace )
				{
					var parent = insertPlace.parentNode;
					if( parent.tagName === 'A' )
						return parent.nextSibling || parent;
					return insertPlace.nextSibling || insertPlace;
				}
				return null;
			},
			getListDivInsertionPlace: function(doc){
				doc = doc || document;
				var insertPlace = doc.querySelector(this.listDivInsertionPlace);
				if( insertPlace )
					return insertPlace.firstChild || insertPlace;
				return null;
			},
			getPostImage: function(doc){
				doc = doc || document;
				return doc.querySelector('#image') || doc.querySelector('#main_image');//paheal
			},
			getImageThumbs: function( doc ){
				doc = doc || document;
				var thumbs = doc.querySelectorAll('img.preview');
				if( thumbs && thumbs.length === 0 )
					thumbs = doc.querySelectorAll('article > a > img');// donmai, uberbooru
				if( thumbs && thumbs.length === 0 )
					thumbs = doc.querySelectorAll('img[itemprop="thumbnailUrl"]');// donmai
				if( thumbs && thumbs.length === 0 )
					thumbs = doc.querySelectorAll('span.thumb > a > img');// *.booru.org
				if( thumbs && thumbs.length === 0 )
					thumbs = doc.querySelectorAll('a > img[id*="thumb_"]');// rule34.paheal.net
				return thumbs;
			},
			setImageDataThumb: function( imgD, thumb ){
				if( thumb && imgD )
				{
					if( thumb.dataset && thumb.dataset.original )
						imgD.thumbSource = thumb.dataset.original;
					else
						imgD.thumbSource = thumb.src;
					imgD.postUrl = thumb.parentNode.href;
					if( thumb.parentNode.id && /\d+/.test(thumb.parentNode.id) )
						imgD.postId = thumb.parentNode.id.match(/\d+/)[0];
					else
						imgD.postId = this.getPostId( imgD.postUrl );
					if( thumb.title )
						imgD.thumbTitle = thumb.title;
				}
			},
			setImageDataSourceLowres: function( imgD, doc ){
				var img = this.getPostImage(doc);
				if( img )
					imgD.lowresSource = img.src;
				else
					return 1;
				return 0;
			},
			setImageOriginalResolution: function( imgD, img ){
				if( !img )
					return false;
				var width, height;
				width = img.getAttribute('large_width');
				height = img.getAttribute('large_height');
				if( !width || !height )
				{
					width = img.getAttribute('data-original-width');
					height = img.getAttribute('data-original-height');
				}
				if( !width || !height )
				{
					// sankaku
					width = img.getAttribute('orig_width');
					height = img.getAttribute('orig_height');
				}
				if( !width || !height )
				{
					// e926.net, e621.net
					width = img.getAttribute('data-orig_width');
					height = img.getAttribute('data-orig_height');
				}
				if( (!width || !height) && this.name === 'paheal.net' )
				{
					// paheal.net
					width = img.getAttribute('data-width');
					height = img.getAttribute('data-height');
				}
				if( width && height )
				{
					imgD.width = width;
					imgD.height = height;
					return true;
				}
				return false;
			},
			setImageDataSize: function( imgD, doc ){
				doc = doc || document;
				var img = this.getPostImage(doc), res;
				if( this.setImageOriginalResolution )
					res = this.setImageOriginalResolution( imgD, img );
				if( res )
					return;
				var lis = doc.querySelectorAll('li'), i, li, len = lis.length;
				for( i = 0; i < len; ++i )
				{
					li = lis[i];
					if( li.innerHTML.indexOf('Size:') != -1 )
						break;
				}
				var match = li.innerHTML.match(/(\d+)x(\d+)/);
				if( i < len && match )
				{
					imgD.width = match[1];
					imgD.height = match[2];
				}else
					console.error("[setImageDataSize] can't find image size (width x height)");
			},
			setImageDataSourceHighres: function( imgD, doc ){
				doc = doc || document;
				var imgHost = this.imageHostname || this.hostname,
					i, l, href,
					link = doc.querySelectorAll('li > a[href*="' + imgHost + '/' + this.imageDir + '/"]');
				if( link.length === 0 )// same origin imageboards
					link = doc.querySelectorAll('li > a[href*="/' + this.imageDir + '/"]');
				if( link.length > 0 )
				{
					for( i = 0, href = null; i < link.length; ++i )
					{
						l = link[i];
						if( l.href.indexOf('sample') == -1 )
						{
							href = l.href;
							break;
						}
					}
					imgD.source = href ? href : last(link).href;
				}
				else if( imgD.lowresSource )
					imgD.source = imgD.lowresSource;
				else{
					console.error("[setImageDataSourceHighres] no image source found");
					return 1;
				}
				// jpeg image for yande.re like imageboards
				var jpeg = doc.querySelector('li > a[href*="' + imgHost + '/jpeg/"]');
				if( jpeg )
					imgD.jpegSource = jpeg.href;
				clog("imgD.source: " + imgD.source);
				this.setType = this.setType || function( _type, _source, _imgD )
				{
					_imgD[_type + '-source'] = _source;
					_imgD[_type + '-extension'] = getFileExt(_source);
				};
				this.setType( 'thumnail', imgD.thumbSource, imgD );
				if( /mp4|webm|ogv|ogg/.test(getFileExt(imgD.source)) )
				{
					this.setType( 'vid_file', imgD.source, imgD );
					imgD.viewType = 'vid_file';
				}else{
					this.setType( 'orig_img', imgD.source, imgD );
					imgD.viewType = 'orig_img';
					if( imgD.jpegSource )
					{
						this.setType( 'jpeg_img', imgD.jpegSource, imgD );
						imgD.viewType = 'jpeg_img';
					}
					if( !isSameLink(imgD.source, imgD.lowresSource) )
					{
						this.setType( 'samp_img', imgD.lowresSource, imgD );
						imgD.viewType = 'samp_img';
					}
				}
				return 0;
			},
			setImageDataTags: function( imgD, doc ){
				doc = doc || document;
				this.getTagName = this.getTagName || function( tagElm, fl)
				{
					if( tagElm.querySelectorAll('a').length === 0 )
						return '';
					if( fl )
						return tagElm.querySelectorAll('a')[0].innerText.trim().replace(/\s+/g, '_');// sankaku, safebooru.org
					return last(tagElm.querySelectorAll('a')).innerText.trim().replace(/\s+/g, '_');
				};
				this.tagsId = this.tagsId || {
					'general'  : '0',
					'artist'   : '1',
					'copyright': '3',
					'character': '4',
					'metadata' : '5',
					// 3dbooru tags
					'species'  : '-1',
					'model'    : '-1',
					'idol'     : '-1',
					'photo_set': '-1',
					'circle'   : '-1',
					'medium'   : '-1',
					'faults'   : '-1',
				};
				this.createTagObj = this.createTagObj || function( tagElm, tagsClass, fl )
				{
					try{
					var links = tagElm.querySelectorAll('a'),
						post_count = tagElm.querySelector('span.post-count') || tagElm.querySelector('span[style]'),
						searchLink = null,
						obj = {};
					if( tagsClass === 'tag-type' )
					{
						if( fl )
						{
							obj.href = links[0].href;
							obj.wiki = links[1].href;
							searchLink = links[0];
						}else{
							obj.href = last(links).href;
							obj.wiki = (links.length == 1 ? null : links[0].href);
						}
						obj.category = tagElm.className.match(/tag-type-([^\s]+)/)[1];
					}
					else if( tagsClass === 'category' )
					{
						obj.href = last(links).href;
						obj.wiki = (links.length == 1 ? null : links[0].href);
						obj.category = tagElm.className.match(/category-([^\s]+)/)[1];
					}
					else if( tagsClass === 'tag_name_cell' )
					{
						obj.href = links[1].href;
						obj.wiki = links[0].href;
						post_count = tagElm.querySelector('span.tag_count');
						obj.category = null;
					}else{
						obj.href = links[0].href;
						obj.wiki = null;
						post_count = links[0].nextSibling;
						obj.category = null;
					}
					if( obj.category )
						obj.class = tagsClass;
					searchLink = searchLink || last(links);
					obj.count = parseInt(post_count.textContent, 10);
					obj.name = searchLink.textContent;
					return obj;
					}catch(e){console.error(e);}
				};
				/*
				-------------->  n1 [ n2 ]
				n1 - number of links in tag element
				n2 - index 0..(n1-1) of search tag link (here, tag link)
				-------------->  2  1
				--> gelbooru:
				ul#tag-list
					div
						div[style] -- tag category name
						li.tag-type-
							a[href] -- wiki link
							a[href] -- tag link
							span[style]
				-------------->  1
				--> rule34.xxx:
				ul#tag-sidebar
					li -- tag category name
					li.tag-type- [class="tag"]
						a[href] -- tag
						span[style]
				-------------->  2  1
				--> yande.re,
				--> 3dbooru (behoimi):
				ul#tag-sidebar
					li.tag-type-
						a[href] -- wiki link
						a[href] -- tag link
						span.post-count
				-------------->  2  0
				--> sankaku:
				ul#tag-sidebar
					li.tag-type-
						a[href, title] -- tag link
						span.tag-extra-info
							a[href] -- wiki link
							span.post-count
				-------------->  1
				--> safebooru,
				--> mspabooru,
				--> tbib:
				ul#tag-sidebar
					li.tag-type-
						a[href] -- tag link
						span[style]
				-------------->  2  1
				--> e621.net,
				--> e926.net:
				ul#tag-sidebar
					li.category- -- tag category name
					li.tag-type-
						a[style, href] -- wiki
						a[href] -- tag
						span.post-count
				-------------->  1
				--> booru.org:
				div#tag_list
					ul
						li
							span[style]
								?
								a[href] -- tag
								number -- post count
				-------------->  2  1
				--> uberbooru,
				--> bronibooru:
				section#tag-list
					h2 -- tag category name
					ul
						li.category-
							a.wiki-link [href]
							a.search-tag [href]
							span.post-count
				-------------->  2  1
				--> donmai,
				--> atfbooru:
				section#tag-list
					h2.copyright-tag-list -- tag category name
					ul.copyright-tag-list
						li.category-
							a.wiki-link [href]
							a.search-tag [href]
							span.post-count
				-------------->  2  1
				--> lolibooru,
				--> hypnohub,
				--> konachan:
				ul#tag-sidebar
					li.tag-type- [class="tag-link", data-name="name of tag", data-type="tag category"]
						a[href] -- wiki
						a[href] -- tag
						span.post-count
				-------------->  2  1
				--> rule34.paheal.net:
				table.tag_list
					tbody tr
						td.tag_info_link_cell
							a.tag_info_link [href] -- wiki
						td.tag_name_cell
							a.tag_name [href] -- tag
						td.tag_count_cell
							span.tag_count
				*/
				var getTagName = this.getTagName,
					tagsId = this.tagsId,
					createTagObj = this.createTagObj,
					tagsClass = '';
				var nameList = ['sankaku'],
					tagsOrder = userOptions.val('tagsOrder'),
					iter = 0, _fl = null, i, k, tags, tagType;
				imgD.tags = imgD.tags || [];
				imgD.tags.length = 0;
				if( doc.querySelectorAll('li[class*="tag-type-"]').length > 0 )
					tagsClass = 'tag-type';
				else if( doc.querySelectorAll('li[class*="category-"]').length > 0 )
					tagsClass = 'category';
				for( i = 0, _fl = (nameList.indexOf(this.name) != -1); i < tagsOrder.length; ++i )
				{
					tagType = tagsOrder[i];
					if( tagsClass === 'tag-type' )
						tags = doc.querySelectorAll('li.tag-type-' + tagType);
					else if( tagsClass === 'category' )
						tags = doc.querySelectorAll('li.category-' + tagsId[tagType]);// donmai like
					for( k = 0; tags && k < tags.length; ++k, ++iter )
					{
						imgD.tags.push( getTagName(tags[k], _fl) );
					}
				}
				if( iter === 0 )
				{
					// not categorized tags
					tagsClass = '';
					tags = doc.querySelectorAll('div#tag_list li');// *.booru.org
					if( !tags || tags.length === 0 )
					{
						tags = doc.querySelectorAll('.tag_name_cell');// paheal.net
						tagsClass = 'tag_name_cell';
					}
					for( k = 0, _fl = (nameList.indexOf(this.name) != -1); tags && k < tags.length; ++k )
					{
						imgD.tags.push( getTagName(tags[k], _fl) );
					}
				}
				// tag object
				imgD.tagList = imgD.tagList || [];
				imgD.tagList.length = 0;
				if( tagsClass === 'tag-type' )
					tags = doc.querySelectorAll('li[class*="tag-type-"]');
				else if( tagsClass === 'category' )
					tags = doc.querySelectorAll('ul li[class*="category-"]');
				else if( tagsClass === 'tag_name_cell' )
					tags = doc.querySelectorAll('table.tag_list > tbody tr');// paheal.net
				else
					tags = doc.querySelectorAll('div#tag_list ul li span');// .booru.org
				for( i = 0; i < tags.length; ++i )
				{
					imgD.tagList.push( createTagObj(tags[i], tagsClass, _fl) );
				}
			},
			createDiv: function(id, doc){
				doc = doc || document;
				var div = doc.querySelector('#' + id);
				clog("[createDiv] div#" + id + ": ", div);
				if( div )
					return div;
				div = document.createElement('div');
				var insertPlace;
				if( this.isPost() )
					insertPlace = this.getPostDivInsertionPlace(doc);
				else
					insertPlace = this.getListDivInsertionPlace(doc) || doc.querySelector(".thumb") || doc.body.firstChild;
				if( !insertPlace )
					return null;
				div.setAttribute('id', id);
				if( insertPlace.tagName !== 'IMG' )
					div = insertPlace.parentNode.insertBefore( div, insertPlace.nextSibling);// check_it_out
				else
					div = insertPlace.parentNode.appendChild(div);
				if( typeof this.keyboardDiv === 'function' )
					this.keyboardDiv( id, doc );
				return div;
			},
			setImageDataDoc: function( imgD, doc ){
				if( !imgD || imgD.state === 'ready' )
					return 1;
				doc = doc || document;
				// size
				this.setImageDataSize( imgD, doc );
				// lowres
				var errN = this.setImageDataSourceLowres( imgD, doc );
				// highres
				errN += this.setImageDataSourceHighres( imgD, doc );
				if( errN > 1 )
					return errN;
				if( !imgD.lowresSource )
					imgD.lowresSource = (imgD.jpegSource || imgD.source);
				// tags
				this.setImageDataTags( imgD, doc );
				// name
				this.setImageDataName( imgD );
				// extension
				this.setImageDataExtension( imgD );
				imgD.state = 'ready';
				return 0;
			},
			setImageDataName: function( imgD ){
				if( !imgD || !imgD.tags )
					return;
				var tagsLen = imgD.tags.length,
					uLen = userOptions.val('maxTagsInName'),
					tagsDelim = userOptions.val('tagsDelim'),
					imageId = imgD.postId,
					boardName = '', name = '',
					ignoredTags = userOptions.val('ignoredTags'),
					tagName;
				if( userOptions.val('addImgBrdName') )
				{
					boardName = (userOptions.val('prefixedName') ? this.prefixedName : this.shortName);
					imageId = boardName + tagsDelim + imgD.postId;
				}
				for( var i = 0; i < tagsLen && i < uLen; ++i )
				{
					tagName = imgD.tags[i];
					if( tagName.length > 0 && ignoredTags.indexOf(tagName) == -1 )
						name += tagName + tagsDelim;
				}
				if( userOptions.val('imgIdAtNameEnd') )
					imgD.name = name + imageId;
				else
					imgD.name = imageId + tagsDelim + name.slice(0, -tagsDelim.length);
			},
			setImageDataExtension: function( imgD ){
				imgD.extension = getFileExt( imgD.source );
				if( imgD.jpegSource )
					imgD.jpegExtension = getFileExt( imgD.jpegSource );
			},
		};
		return retVal;
	}
	//-------------------------------- BOORU METHODS OBJECT ------------------------------//
	//------------------------------------------------------------------------------------//
	//------------------------------- GELBOORU METHODS OBJECT ----------------------------//
	function getGelbooruMethodsObject()
	{
		var retVal = {
			isPost: function( url ){
				url = url || window.location.href;
				if( this.getPostId(url) )
					return true;
				return false;
			},
			getPostId: function( postUrl ){
				postUrl = postUrl || window.location.href;
				var srch = getLocation( postUrl, 'search' ),
					keys = getSearchObject( srch );
				if( keys.s === 'view' && keys.page === 'post' )
					return keys.id;
				else
					return null;
			},
			getPostUrl: function( postId ){
				return window.location.protocol + this.hostname + '/index.php?page=post&s=view&id=' + postId;
			},
		};
		return retVal;
	}
	//------------------------------------------------------------------------------------//
	//-------------------------------- DONMAI METHODS OBJECT -----------------------------//
	function getDonmaiMethodsObject()
	{
		var retVal = {
			isPost: function(url){
				url = url || window.location.href;
				return /\/posts\/\d+/.test(url);
			},
			getPostId: function(url){
				url = url || window.location.href;
				if( this.isPost(url) )
					return getLocation(url, 'pathname').match(/(\/posts\/)?(\d+)?/)[2];
				return null;
			},
			getPostUrl: function(postId){
				return window.location.protocol + '//' + this.hostname + '/posts/' + postId;
			},
		};
		return retVal;
	}
	//------------------------------------------------------------------------------------//
	//-------------------------------- PAHEAL METHODS OBJECT -----------------------------//
	function getPahealMethodsObject()
	{
		var retVal = {
			isPost: function(url){
				url = url || window.location.href;
				return /\/post\/view\/\d+/.test(url);
			},
			getPostId: function(url){
				if( this.isPost(url) )
					return getLocation(url, 'pathname').match(/(\/post\/view\/)?(\d+)?/)[2];
				return null;
			},
			getPostUrl: function(postId){
				return window.location.protocol + '//' + this.hostname + '/post/view/' + postId;
			},
		};
		return retVal;
	}
	//------------------------------------------------------------------------------------//
	//-------------------------------------- DATASET -------------------------------------//
	function initImageBoardDataset(d)
	{
		var retVal = {
			data: {
				source: 'data-image-board-source',
				index: 'data-image-board-index',
				extension: 'data-image-board-extension',
				bytes: 'data-image-board-bytes',
			},
			val: function(elm, propName, v){
				if( this.data[propName] && elm )
				{
					if( v !== undefined )
						elm.setAttribute(this.data[propName], v);
					else
						return elm.getAttribute(this.data[propName]);
				}
				return null;
			},
			init: function(doc){
				this.doc = doc || document;
			},
			getSelector: function(propName, v){
				var sel = this.data[propName];
				if( sel )
				{
					if( v !== undefined )
					{
						var pos = v.indexOf('=');// &=, *=, ^=
						if( pos > -1 && pos < 2 )
							sel += v;
						else
							sel += '="' + v + '"';
					}
					return '[' + sel + ']';
				}
				return null;
			},
			query: function(propName, v){
				var sel = this.getSelector(propName, v);
				if( sel )
					return this.doc.querySelector(sel);
				return null;
			},
			queryAll: function(propName, v){
				var sel = this.getSelector(propName, v);
				if( sel )
					return this.doc.querySelectorAll(sel);
				return null;
			},
		};
		retVal.init(d);
		return retVal;
	}
	//-------------------------------------- DATASET -------------------------------------//
	//------------------------------------------------------------------------------------//
	//-------------------------------------- CLASSES -------------------------------------//
	function initImageBoardClasses(d)
	{
		var retVal = {
			get counted(){return this.data.counted;},
			get viewActive(){return this.data.viewActive;},
			get viewAttach(){return this.data.viewAttach;},
			get ready(){return this.data.ready;},
			get downloaded(){return this.data.downloaded;},
			get downloadAttach(){ return this.data.downloadAttach;},
			get downloadActive(){ return this.data.downloadActive;},
			data: {
				counted: 'image-board-counted',
				viewAttach: 'image-board-attach-view-event',
				viewActive: 'image-board-active-for-view',
				ready: 'image-board-has-original-source',
				downloaded: 'image-board-downloaded-original',
				downloadAttach: 'image-board-attach-download-event',
				downloadActive: 'image-board-active-for-download',
			},
			hasClass: function(elm, propName){
				if( this.data[propName] )
					return hasClass(elm, this.data[propName]);
				return false;
			},
			addClass: function(elm, propName){
				if( this.data[propName] )
					addClass(elm, this.data[propName]);
			},
			removeClass: function(elm, propName){
				if( this.data[propName] )
					removeClass(elm, this.data[propName]);
			},
			toggleClass: function(elm, newPropName, oldPropName){
				if( oldPropName && !this.data[oldPropName] )
					return;
				else if( !newPropName || !this.data[newPropName] )
					return;
				toggleClass( elm, this.data[newPropName], this.data[oldPropName] );
			},
			queryAll: function(propName){
				if( this.data[propName] )
					return this.doc.querySelectorAll('.' + this.data[propName]);
				return null;
			},
			init: function(doc){this.doc = doc || document;},
		};
		retVal.init(d);
		return retVal;
	}
	//-------------------------------------- CLASSES -------------------------------------//
	//------------------------------------------------------------------------------------//
	//------------------------------------- DOWNLOADER -----------------------------------//
	function initImageBoardDownloader(d)
	{
		var iter = {
			total : 0,
			done: 0,
		};
		var retVal = {
			get total(){return iter.total;},
			set total(n){
				iter.total = n;
				this.downloadAllHtml(iter.total, iter.done);
			},
			get done(){return iter.done;},
			set done(n){
				iter.done = n;
				this.downloadAllHtml(iter.total, iter.done);
			},
			data: {
				downloaderId: 'image-board-downloader-' + RANDOM,
				downloadAllId: 'image-board-download-all-' + RANDOM,
				downloadSwitchId: 'image-board-download-switch-' + RANDOM,
				classBtn: 'image-board-downloader-button',
				classOn: 'image-board-downloader-on',
				classOff: 'image-board-downloader-off',
				classActive: 'image-board-downloader-active',
			},
			get downloaderId(){return this.data.downloaderId;},
			get downloadAllId(){return this.data.downloadAllId;},
			get downloadSwitchId(){return this.data.downloadSwitchId;},
			get classBtn(){return this.data.classBtn;},
			get classOn(){return this.data.classOn;},
			get classOff(){return this.data.classOff;},
			get classActive(){return this.data.classActive;},
			init: function(id, doc){
				doc = doc || document;
				clog("[initImageBoardDownloader] init, doc: ", doc);
				var div = doc.querySelector('div#' + id), html = '', btn;
				clog("div: ", div, id);
				if( !div )
				{
					console.error("[initImageBoardDownloader] can't find div#" + id);
					return;
				}
				var downloadSwitch = doc.querySelector('#' + this.downloadSwitchId);
				if( !downloadSwitch )
				{
					btn = document.createElement('button');
					btn.setAttribute('id', this.downloadSwitchId);
					btn.setAttribute('class', this.classOff + ' ' + this.classBtn );
					btn.setAttribute('title', 'Press \'Shift+D\' to switch download mode on/off');
					btn.appendChild(document.createTextNode('Donwload Mode'));
					downloadSwitch = div.appendChild( btn );
				}
				var downloadAll = doc.querySelector('#' + this.downloadAllId);
				if( !downloadAll )
				{
					btn = document.createElement('button');
					btn.setAttribute('id', this.downloadAllId );
					btn.setAttribute('class', this.classBtn );
					btn.appendChild(document.createTextNode('Donwload All (0)'));
					downloadAll = div.appendChild( btn );
				}
				return div;
			},
			downloadAllHtml: function( total, loaded, elm ){
				if( !elm ) elm = document.querySelector('#' + this.downloadAllId );
				elm.textContent = 'Download All (' + (loaded ? loaded + ' / ': '') + (total ? total : 0) + ')';
			},
			downloadOn: function(elm){
				if( !elm ) elm = document.querySelector('#' + this.downloadSwitchId);
				if( elm )
					toggleClass( elm, this.classOn, this.classOff );
				else
					console.error("[downloadOn] empty elm: ", elm );
			},
			downloadOff: function(elm){
				if( !elm ) elm = document.querySelector('#' + this.downloadSwitchId);
				if( elm )
					toggleClass( elm, this.classOff, this.classOn );
				else
					console.error("[downloadOff] empty elm: ", elm );
			},
			isActive: function(elm){
				if( !elm ) elm = document.querySelector('#' + this.downloadSwitchId);
				return hasClass(elm, this.classOn);
			},
		};
		return retVal;
	}
	//------------------------------------- DOWNLOADER -----------------------------------//
	//------------------------------------------------------------------------------------//
	//------------------------------------ DOWNLOADER-2 ----------------------------------//
	function handleDownloadEvent(event)
	{
		if( !imageBoard.imgBrdCl.hasClass( this, 'downloadActive' ) )
			return;
		event.preventDefault();
		var thumb = event.target,
			index = imageBoard.imgBrdDt.val( thumb, 'index' ),
			imgD = imageBoard.images.list[index];
		downloadFile( imgD );
	}
	function downloadFile( imgD )
	{
		if( imgD.state !== 'ready' || imgD.downloadState === 'downloaded' || imgD.downloadState === 'inProgress' )
			return;
		imgD.downloadState = 'inProgress';
		var hostname = getLocation(imgD.source, 'hostname'), source, ext, stripe;
		if( userOptions.val('downloadJPEG') && imgD.jpegSource )
			source = imgD.jpegSource;
		else
			source = imgD.source;
		ext = getFileExt(source);
		stripe = document.querySelectorAll('#progress-stripe-' + imgD.index);
		addClass( stripe, 'download-in-progress' );
		if( userOptions.val('animateProgress') )
			addClass( stripe, 'progress-animated' );
		attr( stripe, 'style', 'width:0%;' );
		if( hostname === window.location.hostname )
		{
			imageBoardDownloader( imgD, source, ext );
			return;
		}
		GM.xmlHttpRequest({
			url: source,
			method: 'GET',
			context: {
				'index': imgD.index,
				'url': source,
				'ext': ext,
				'stripe': stripe,
			},
			responseType: 'blob',
			onload: blibBlobDownloader,
			onprogress: downloadProgress,
		});
	}
	function downloadProgress( xhr )
	{
		try{
		if( !xhr.lengthComputable )
			return;
		var stripe = xhr.context.stripe || document.querySelectorAll('#progress-stripe-' + xhr.context.index),
			width = Math.floor(xhr.loaded/xhr.total*100);
		attr(stripe, 'style', 'width:' + width + '%');
		}catch(e){console.error(e);}
	}
	function blibBlobDownloader( xhr )
	{
		var imgD = imageBoard.images.list[xhr.context.index];
		if( xhr.status !== 200 )
		{
			console.error("xhr.status: ", xhr.status, xhr.statusText);
			console.error("url: " + xhr.context.url);
			if( imgD && imgD.downloadState === 'inProgress' )
				imgD.downloadState = '';
			return;
		}
		var wndURL = window.webkitURL || window.URL,
			resource = wndURL.createObjectURL(xhr.response);
		imageBoardDownloader( imgD, resource, xhr.context.ext );
		wndURL.revokeObjectURL( resource );
	}
	function imageBoardDownloader( imgD, resource, extension )
	{
		var name = imgD.name + '.' + (extension || imgD.extension);
		fileDownloader( name, resource );
		var thumb = imageBoard.imgBrdDt.query('index', imgD.index + ''),
			stripe = document.querySelectorAll('#progress-stripe-' + imgD.index);
		imageBoard.imgBrdCl.addClass( thumb, 'downloaded' );
		if( imgD.downloadState !== 'downloaded' )
			imageBoard.imgBrdDw.done += 1;
		imgD.downloadState = 'downloaded';
		attr(stripe, 'style', 'width:100%');
		//setTimeout(function(){
		removeClass( stripe, 'download-in-progress' );
		removeClass( stripe, 'progress-animated' );
		addClass( stripe, 'progress-complete' );
		//}, 50 );
	}
	function fileDownloader( name, resource )
	{
		var a = document.createElement('a'),
			body = document.body || document.getElementsByTagName('body')[0];
		a.setAttribute('download', name);
		a.href = resource;
		body.appendChild(a);
		a.click();
		body.removeChild(a);
	}
	function handleDownloadAllEvent(event)
	{
		var list = imageBoard.images.list;
		for( var i = 0, len = list.length, imgD; i < len; ++i )
		{
			imgD = list[i];
			downloadFile( imgD );
		}
	}
	function handleDownloadSwitchEvent(event)
	{
		if( imageBoard.imgBrdDw.isActive() )
		{
			imageBoard.downloader.deactivate();
		}else{
			imageBoard.downloader.activate();
		}
	}
	//------------------------------------ DOWNLOADER-2 ----------------------------------//
	//------------------------------------------------------------------------------------//
	//-------------------------------------- KEYBOARD ------------------------------------//
	function activateKeyboard()
	{
		window.addEventListener('keydown', handleKeyboardEvent, false);
		clog("--------> keyboard activated");
	}
	function deactivateKeyboard()
	{
		window.removeEventListener('keydown', handleKeyboardEvent, false);
		clog("--------> keyboard deactivated");
	}
	function handleKeyboardEvent(event)
	{
		var charCode = event.keyCode || event.which,
			str = String.fromCharCode(charCode).toLowerCase();
		if( !event.shiftKey || event.ctrlKey || event.altKey )
			return;
		else if( str === 'a' )
		{
			handleDownloadAllEvent();
		}
		else if( str === 'd' )
		{
			handleDownloadSwitchEvent();
		}
		else if( str === 'i' )
		{
			if( imageBoard )
			{
				imageBoard.init();
				imageBoard.fix();
			}
		}
		else if( str === 'm' )
		{
			handleUserMenuEvent();
		}
		else if( str === 'v' )
		{
			handleViewerSwitchEvent();
		}
	}
	//-------------------------------------- KEYBOARD ------------------------------------//
	//------------------------------------------------------------------------------------//
	//--------------------------------------- VIEWER -------------------------------------//
	function initImageBoardViewer(d)
	{
		var iter = {
			curr: 0,
			total: 0,
		};
		var retVal = {
			get curr(){return iter.curr;},
			set curr(n){
				n = parseInt(n, 10);
				var elm = (this.doc || document).querySelector('#' + this.currentId);
				if( elm )
					elm.textContent = '' + (n + 1);
				iter.curr = n;
			},
			set total(n){iter.total = parseInt(n, 10);},
			get total(){return iter.total;},
			data: {
				buttonId: 'image-board-viewer-button-' + RANDOM,
				containerId: 'image-board-viewer-container-' + RANDOM,
				tagsId: 'image-board-viewer-tags-' + RANDOM,
				listId: 'image-board-viewer-list-' + RANDOM,
				bottomId: 'image-board-viewer-bottom-' + RANDOM,
				thumbsId: 'image-board-viewer-thumbs-' + RANDOM,
				// bottom div panel
				prevId: 'image-board-viewer-show-prev-' + RANDOM,
				nextId: 'image-board-viewer-show-next-' + RANDOM,
				downloadId: 'image-board-viewer-downlaod-' + RANDOM,
				closeId: 'image-board-viewer-close-' + RANDOM,
				sourceId: 'image-board-viewer-source-' + RANDOM,
				currentId: 'image-board-viewer-current-' + RANDOM,
				// classes
				classActive: 'image-board-viewer-active',
				classOn: 'image-board-viewer-on',
				classOff: 'image-board-viewer-off',
				classBtn: 'image-board-viewer-btn',
				classBottom: 'image-board-viewer-bottom-class',
			},
			get buttonId(){return this.data.buttonId;},
			get containerId(){return this.data.containerId;},
			get tagsId(){return this.data.tagsId;},
			get listId(){return this.data.listId;},
			get bottomId(){return this.data.bottomId;},
			get thumbsId(){return this.data.thumbsId;},
			
			get prevId(){return this.data.prevId;},
			get nextId(){return this.data.nextId;},
			get downloadId(){return this.data.downloadId;},
			get closeId(){return this.data.closeId;},
			get sourceId(){return this.data.sourceId;},
			get currentId(){return this.data.currentId;},
			
			get classActive(){return this.data.classActive;},
			get classOn(){return this.data.classOn;},
			get classOff(){return this.data.classOff;},
			get classBtn(){return this.data.classBtn;},
			get classBottom(){return this.data.classBottom;},
			init: function(id, doc, selector){
				if( !userOptions.val('createViewer') )
					return;
				doc = doc || document;
				this.doc = doc;
				var div = doc.querySelector('#' + id), viewDiv, html;
				if( !div )
				{
					console.error("[initImageBoardViewer] imageBoard div not found, id: " + id);
					return;
				}
				var btn = doc.querySelector('#' + this.buttonId);
				if( !btn )
				{
					btn = document.createElement('button');
					btn.setAttribute('id', this.buttonId);
					btn.setAttribute('class', this.classOff);
					btn.appendChild(document.createTextNode('Viewer'));
					btn = div.insertBefore( btn, div.firstChild );
				}
				var cont = doc.querySelector('#' + this.containerId);
				if( !cont )
				{
					cont = document.createElement('div');
					var obj = {
						'id': this.containerId,
						'class': this.classOff + ' image-board-viewer-container',
						'data-class-button': this.classBtn,
						'data-prev-id': this.prevId,
						'data-next-id': this.nextId,
						'data-download-id': this.downloadId,
						'data-current-id': this.currentId,
						'data-source-id': this.sourceId,
						'data-close-id': this.closeId,
						'data-list-id': this.listId,
					};
					for( var key in obj )
						cont.setAttribute( key, obj[key] );
					html = '' +
					'<div id="' + this.tagsId + '" class="viewer-tag-list" tabindex="1000"></div>' +
					'<div id="' + this.thumbsId + '" class="viewer-thumb-list" tabindex="1001"></div>' +
					'<div id="' + this.listId + '" class="viewer-img-list" style="text-align:center;"></div>' +
					'<div id="' + this.bottomId + '" class="' + this.classBottom + ' viewer-bottom">' +
						'<button id="' + this.prevId + '" class="' + this.classBtn + ' viewer-navigation-bar">Prev</button>' +
						'<button id="' + this.sourceId + '" class="' + this.classBtn + ' viewer-navigation-bar">Source</button>' +
						'<button id="' + this.closeId + '" class="' + this.classBtn + ' viewer-navigation-bar">Close</button>' +
						'<button id="' + this.currentId + '" class="viewer-navigation-bar" style="width:40px;">' + '-' + '</button>' +
						'<button id="' + this.downloadId + '" class="' + this.classBtn + ' viewer-navigation-bar">Download</button>' +
						'<button id="' + this.nextId + '" class="' + this.classBtn + ' viewer-navigation-bar">Next</button>' +
					'</div>';
					cont.insertAdjacentHTML('beforeend', html);
					if( userOptions.val('fixedThumbs') )
						addClass( cont, 'viewer-thumb-list-fixed' );
					if( userOptions.val('fixedTags') )
						addClass( cont, 'viewer-tag-list-fixed' );
					doc.body.appendChild(cont);
				}
				if( !cont.classList.contains(this.classActive) )
				{
					cont.addEventListener('click', handleViewerNavigationEvent, false);
					cont.classList.add(this.classActive);
					activateViewerKeyboard();
					var activateSidebar = function(elm)
					{
						if( elm )
						{
							elm.addEventListener('mouseover', function(){this.focus();}, false);
							elm.addEventListener('mouseout', function(){this.blur();}, false);
						}
					};
					activateSidebar(doc.querySelector('#' + this.tagsId ));
					activateSidebar(doc.querySelector('#' + this.thumbsId ));
				}
			},
			showNext: function(){
				if( !this.isActive() )
					return;
				try{
					var idx = (this.curr + this.total + 1)%this.total;
					viewImage(idx);
				}catch(e){console.error(e);}
			},
			showPrev: function(){
				if( !this.isActive() )
					return;
				try{
					var idx = (this.curr + this.total - 1)%this.total;
					viewImage(idx);
				}catch(e){console.error(e);}
			},
			isActive: function(){
				if( !this.btn ) this.btn = document.querySelector('#' + this.buttonId);
				return hasClass( this.btn, this.classOn );
			},
			viewerOn: function(){
				if( !this.btn ) this.btn = document.querySelector('#' + this.buttonId);
				if( !this.cont ) this.cont = document.querySelector('#' + this.containerId);
				toggleClass(this.btn, this.classOn, this.classOff);
				toggleClass(this.cont, this.classOn, this.classOff);
				this.setOverflow = this.setOverflow || function(elm, val){if(elm) elm.style.overflow = val;};
				try{
					var html = this.cont.querySelector('#' + this.currentId).textContent;
					if( userOptions.val('viewFirst') && html === '-' )
						viewImage(0);
					else
						viewImage('-');
					this.setOverflow( document.body || document.getElementsByTagName('body')[0], 'hidden' );
					this.setOverflow( document.getElementsByTagName('html')[0], 'hidden' );
				}catch(e){console.error(e);}
				resumeVideo(this.curr);
			},
			viewerOff: function(){
				this.setOverflow = this.setOverflow || function(elm, val){if(elm) elm.style.overflow = val;};
				this.setOverflow( document.body || document.getElementsByTagName('body')[0], 'auto' );
				this.setOverflow( document.getElementsByTagName('html')[0], 'auto' );
				toggleClass(this.btn, this.classOff, this.classOn);
				toggleClass(this.cont, this.classOff, this.classOn);
				historyChange( null );
				pauseVideo(this.curr);
			},
		};
		return retVal;
	}
	//--------------------------------------- VIEWER -------------------------------------//
	//------------------------------------------------------------------------------------//
	//-------------------------------------- VIEWER-2 ------------------------------------//
	function activateViewerKeyboard()
	{
		window.addEventListener('keydown', handleViewerKeyboardEvent, false);
	}
	function deactivateViewerKeyboard()
	{
		window.removeEventListener('keydown', handleViewerKeyboardEvent, false);
	}
	function handleViewerKeyboardEvent(event)
	{
		var charCode = event.keyCode || event.which,
			useCtrl = userOptions.val('holdCtrl') || window.location.hostname.indexOf('donmai.us') != -1,
			condition1 = event.shiftKey || !event.ctrlKey || event.altKey,
			condition2 = event.shiftKey ||  event.ctrlKey || event.altKey;
		if( (useCtrl && condition1) || (!useCtrl && condition2) )
			return;
		var viewer = imageBoard.imgBrdVw;
		if( charCode == 37 )
			viewer.showPrev();
		else if( charCode == 39 )
			viewer.showNext();
	}
	function handleViewerEvent(event)
	{
		if( !imageBoard.imgBrdCl.hasClass( this, 'viewActive' ) )
			return;
		event.preventDefault();
		var t = event.target;
		if( t.tagName !== 'IMG' )
			t = t.firstChild;
		if( t.tagName !== 'IMG' )
			return;
		var idx = imageBoard.imgBrdDt.val(t, 'index');
		clog("[handleViewerEvent] index: " + idx);
		if( idx !== null && idx !== undefined )
			viewImage( idx );
		else
			console.error("image index not found, img: ", t.src);
	}
	function viewImage( idx )
	{
		if( !imageBoard )
			return;
		var viewer = imageBoard.imgBrdVw,
			hostname = window.location.hostname,
			div, imgD, dwSource;
		if( !viewer || !viewer.isActive() )
			return;
		idx = parseInt(idx, 10);
		idx = (viewer.total + idx)%viewer.total;
		makeThumbListHTML();
		makeImageListHTML();
		imgD = imageBoard.images.list[idx];
		if( !imgD || imgD.state !== 'ready' )
			return;
		setImageList(true);// loop over all .viewer-img-list > div
		if( hostname.indexOf('sankakucomplex') != -1 )
			historyChange( imgD.postUrl );
		div = document.querySelector('div[data-image-index="' + imgD.index + '"]');
		loadImage(imgD.index, div);
		if( userOptions.val('downloadJPEG') && imgD.jpegSource )
			dwSource = imgD.jpegSource;
		else
			dwSource = imgD.source;
		removeClass( document.querySelectorAll('div.viewer-img-div'), 'img-show' );
		addClass( div, 'img-show' );
		makeTagListHTML(idx);
		setViewerBottom( viewer, dwSource, imgD.name );
		pauseVideo(viewer.curr);
		viewer.curr = idx;
	}
	//------------------------------------------------------------------------------------//
	//--------------------------------- VIEWER-THUMB-LIST --------------------------------//
	function makeThumbListHTML()
	{
		var thumbListDiv = document.querySelector('.viewer-thumb-list');
		if( !thumbListDiv )
		{
			console.error("[makeThumbListHTML] can't find div");
			return;
		}
		var imageList = imageBoard.images.list,
			thumbTitle = '', html = '',
			oldLen = thumbListDiv.getAttribute('data-viewer-thumb-length') || 0,
			animate = userOptions.val('animateProgress'),
			showProgress = userOptions.val('showProgress'),
			i, len, imgD, img;
		oldLen = parseInt(oldLen, 10);
		for( i = oldLen, len = imageList.length; i < len; ++i )
		{
			imgD = imageList[i];
			if( imgD.tags )
				thumbTitle = imgD.tags.join(' ');
			else if( imgD.thumbTitle )
				thumbTitle = imgD.thumbTitle;
			else
				thumbTitle = '';
			html += '<div class="viewer-thumb-div" data-viewer-thumb-div-index="' + imgD.index + '">';
			html += '<span class="viewer-thumb-span">';
			html += '<img data-viewer-thumb-index="' + imgD.index + '" ' +
			'class="viewer-thumb" src="' + (imgD.thumbSource || imgD.lowresSource) + '" ' +
			'title="' + thumbTitle + '"/>';
			html += '</span>';
			html += (showProgress ? makeProgressBarHTML( imgD, animate) : '');
			html += '</div>';
		}
		thumbListDiv.setAttribute('data-viewer-thumb-length', len);
		thumbListDiv.insertAdjacentHTML('beforeend', html);
		if( hasClass(thumbListDiv, 'viewer-thumb-list-activated') )
			return;
		thumbListDiv.addEventListener('click', handleViewerThumbEvent, false);
		addClass(thumbListDiv, 'viewer-thumb-list-activated');
	}
	function makeProgressBarHTML( imgD, animate )
	{
		return '<div class="progress-bar">' +
			'<div id="progress-stripe-' + imgD.index + '" class="progress-stripe progress-counted' +
			(imgD.state === 'ready' ? ' image-ready' : '') + '' +
			(imgD.state === 'busy' && !!animate ? ' animate-progess' : '') + '' +
			(imgD.downloadState === 'inProgress' ? ' download-in-progress' : '') + '' +
			(imgD.downloadState === 'downloaded' ? ' progress-complete': '') + '' +
			'"></div></div>';
	}
	function showViewerProgressBar( showProgress )
	{
		var animate = userOptions.val('animateProgress'),
			divList = document.querySelectorAll('.viewer-thumb-div'),
			imageList = imageBoard.images.list,
			animate = userOptions.val('animateProgress'),
			html, i, len, div, index, imgD, stripe;
		for( i = 0, len = divList.length; i < len; ++i )
		{
			div = divList[i];
			index = div.getAttribute('data-viewer-thumb-div-index');
			stripe = div.querySelector('#progress-stripe-' + index);
			if( !showProgress )
				hide(stripe);
			else if( !stripe )
			{
				imgD = imageList[index];
				html = makeProgressBarHTML(imgD, animate);
				div.insertAdjacentHTML('beforeend', html);
			}else
				show(stripe);
		}
	}
	function handleViewerThumbEvent(event)
	{
		var t = event.target;
		if( t.tagName !== 'IMG' )
			return;
		var idx = t.getAttribute('data-viewer-thumb-index');
		viewImage(idx);
	}
	//--------------------------------- VIEWER-THUMB-LIST --------------------------------//
	//------------------------------------------------------------------------------------//
	//--------------------------------- VIEWER-IMAGE-LIST --------------------------------//
	function makeImageListHTML()
	{
		var imgListDiv = document.querySelector('.viewer-img-list');
		if( !imgListDiv )
			return;
		var imageList = imageBoard.images.list,
			imgLen = imgListDiv.getAttribute('data-image-list-length') || 0,
			html = '', i, len;
		imgLen = parseInt(imgLen, 10);
		for( i = imgLen, len = imageList.length; i < len; ++i )
		{
			html += '<div data-image-index="' + i + '" class="viewer-img-div">';
			html += '<video class="vid_file" controls loop></video>';
			html += '<img class="orig_img"></img>';
			html += '<img class="jpeg_img"></img>';
			html += '<img class="samp_img"></img>';
			html += '</div>';
		}
		imgListDiv.setAttribute('data-image-list-length', len);
		imgListDiv.insertAdjacentHTML('beforeend', html);
	}
	function setImageList( reset )
	{
		var imgListDiv = document.querySelector('.viewer-img-list');
		if( !imgListDiv )
			return;
		var imageDivs = imgListDiv.querySelectorAll('.viewer-img-div'),
			imageList = imageBoard.images.list,
			imgLen = imgListDiv.getAttribute('data-image-list-length') || 0,
			viewOriginal = userOptions.val('viewOriginal'),
			viewJPEG = userOptions.val('viewJPEG'),
			i, imgD, imgDiv, viewType;
		imgLen = parseInt(imgLen, 10);
		for( i = 0; i < imgLen; ++i )
		{
			imgD = imageList[i];
			imgDiv = imageDivs[i];
			viewType = imgDiv.getAttribute('data-image-view-type');
			if( reset || !viewType || viewType === 'none_src' )
				imgDiv.setAttribute('data-image-view-type', getImageViewType(imgD, viewOriginal, viewJPEG) );
		}
	}
	function getImageViewType( imgD, viewOriginal, viewJPEG )
	{
		if( imgD['vid_file-source'] )
			imgD.viewType = 'vid_file';
		else if( imgD['jpeg_img-source'] && viewJPEG && viewOriginal )
			imgD.viewType = 'jpeg_img';
		else if( imgD['orig_img-source'] && (viewOriginal || !imgD['samp_img-source']) )
			imgD.viewType = 'orig_img';
		else if( imgD['samp_img-source'] )
			imgD.viewType = 'samp_img';
		else
			imgD.viewType = 'none_src';
		return imgD.viewType;
	}
	//--------------------------------- VIEWER-IMAGE-LIST --------------------------------//
	//------------------------------------------------------------------------------------//
	//------------------------------------ LOAD-IMAGE ------------------------------------//
	function loadImage(idx, div, isNext)
	{
		idx = parseInt(idx, 10);
		div = div || document.querySelector('div[data-image-index="' + idx + '"]');
		var viewType = div.getAttribute('data-image-view-type');
		if( !viewType || viewType === 'none_src' )
			return;
		var img = div.querySelector('.' + viewType),
			//complete = (img.tagName === 'IMG' && img.complete),// || (img.tagName === 'VIDEO' && img.readyState > 2),
			imgD = imageBoard.images.list[idx],
			total = imageBoard.imgBrdVw.total,
			curr = imageBoard.imgBrdVw.curr,
			diff = (total + idx - curr)%total,
			next = (total + idx + diff)%total;
		if( !!isNext && img.tagName === 'VIDEO' )
			return;
		else if( !img.src )
			img.src = imgD[viewType + '-source'];
		if( (diff == 1 || diff == (total-1)) && total > 1 )
		{
			if( (img.tagName === 'IMG' && img.complete) || img.tagName === 'VIDEO' )
				loadImage( next, diff == 1 ? div.nextSibling : div.previousSibling, true );
			else{
				img.setAttribute('data-index-diff', (diff == 1 ? 1 : -1) );
				img.setAttribute('data-index-next', next );
				img.addEventListener('load', preloadImageEvent, false);
			}
		}
		if( img.tagName === 'VIDEO' && img.src )
			resumeVideo( idx, div, img );
	}
	function preloadImageEvent(event)
	{
		var t = this,
			p = t.parentNode,
			diff = t.getAttribute('data-index-diff'),
			next = t.getAttribute('data-index-next');
		if( diff == 1 )
			loadImage(next, p.nextSibling, true);
		else if( diff == -1 )
			loadImage(next, p.previousSibling, true);
		else
			loadImage(next);
		t.removeAttribute('data-index-diff');
		t.removeAttribute('data-index-next');
		setTimeout(function(){
			t.removeEventListener('load', preloadImageEvent, false);
		}, 100);
	}
	function getVideoElm( idx, div, img )
	{
		if( !img || img.tagName === 'VIDEO' )
		{
			div = div || document.querySelector('[data-image-index="' + idx + '"]');
			if( div.getAttribute('data-image-view-type') != 'vid_file' )
				return;
			img = div.querySelector('.vid_file');
		}
		return img;
	}
	function pauseVideo( idx, div, img )
	{
		img = getVideoElm( idx, div, img );
		if( !img )
			return;
		else if( img.paused )
			addClass( img, 'video-paused');
		else
			removeClass( img, 'video-paused');
		img.pause();
	}
	function resumeVideo( idx, div, img, forcePause )
	{
		img = getVideoElm( idx, div, img );
		if( !img )
			return;
		else if( forcePause || hasClass(img, 'video-paused') )
			img.pause();
		else
			img.play();
	}
	//------------------------------------------------------------------------------------//
	//---------------------------------- VIEWER-TAG-LIST ---------------------------------//
	function makeTagListHTML( idx )
	{
		var tagListDiv = document.querySelector('.viewer-tag-list');
		if( !tagListDiv )
		{
			console.error("[makeTagListHTML] can't find div");
			return;
		}
		var imgD = imageBoard.images.list[idx],
			tagList = imgD.tagList,
			tagClass = (tagList && tagList[0] || {'class': ''}).class,
			templ, html = '';
		if( tagClass === 'tag-type' )
			templ = '<li class="tag-type-';
		else if( tagClass === 'category' )
			templ = '<li class="category-';
		else
			templ = '<li class="empty-category';
		html = '<h4 style="color:#a0a0a0;">Tags</h4>';
		for( var i = 0, tagObj; i < tagList.length; ++i )
		{
			tagObj = tagList[i];
			html += templ + (tagObj.category !== null ? tagObj.category : '') + '">';
			html += makeTagHTML( tagObj );
			html += '</li>';
		}
		tagListDiv.innerHTML = html;
	}
	function makeTagHTML( tagObj )
	{
		var html = (tagObj.wiki ? '<a href="' + tagObj.wiki + '"> ? </a>' : '') + '' +
		'<a href="' + tagObj.href + '">' + tagObj.name + '</a>' +
		'<span class="post-count" style="color:#a0a0a0;"> ' + (!!tagObj.count ? tagObj.count : '') + ' </span>';
		return html;
	}
	//---------------------------------- VIEWER-TAG-LIST ---------------------------------//
	//------------------------------------------------------------------------------------//
	function historyChange( postURL )
	{
		this.href = this.href || window.location.href;
		if( postURL )
			window.history.replaceState(null, null, postURL);
		else
			window.history.replaceState(null, null, this.href);
	}
	function setViewerBottom( viewer, source, name )
	{
		var doc = document,
			prevElm = doc.querySelector('#' + viewer.prevId ),
			nextElm = doc.querySelector('#' + viewer.nextId ),
			sourceElm = doc.querySelector('#' + viewer.sourceId ),
			downloadElm = doc.querySelector('#' + viewer.downloadId ),
			useCtrl = userOptions.val('holdCtrl') || window.location.hostname.indexOf('donmai.us') != -1;
		prevElm.setAttribute('title', (useCtrl ? 'Ctrl+' : '') + 'Left');
		nextElm.setAttribute('title', (useCtrl ? 'Ctrl+' : '') + 'Right');
		sourceElm.setAttribute('title', source );
		downloadElm.setAttribute('title', name );
	}
	function handleViewerSwitchEvent(event)
	{
		if( imageBoard.viewer.isActive() )
		{
			imageBoard.viewer.deactivate();
		}else{
			imageBoard.viewer.activate();
		}
	}
	function handleViewerNavigationEvent(event)
	{
		var t = event.target,
			viewer, idx, total, imgD;
		if( !hasClass(t, this.getAttribute('data-class-button')) )
			return;
		viewer = imageBoard.imgBrdVw;
		if( !viewer )
			return;
		idx = viewer.curr;
		total = viewer.total;
		clog("[navigation] index: " + idx);
		clog("[navigation] total: " + total);
		idx = parseInt(idx, 10);
		total = parseInt(total, 10);
		if( t.id == this.getAttribute('data-prev-id') )
		{
			viewImage( (idx + total - 1)%total );
		}
		else if( t.id == this.getAttribute('data-next-id') )
		{
			viewImage( (idx + total + 1)%total );
		}
		else if( t.id == this.getAttribute('data-download-id') )
		{
			imgD = imageBoard.images.list[idx];
			downloadFile( imgD );
		}
		else if( t.id == this.getAttribute('data-source-id') )
		{
			imgD = imageBoard.images.list[idx];
			window.open( imgD.source );
		}
		else if( t.id == this.getAttribute('data-close-id') )
		{
			handleViewerSwitchEvent();
		}
	}
	//-------------------------------------- VIEWER-2 ------------------------------------//
	//------------------------------------------------------------------------------------//
	//------------------------------------- USER MENU ------------------------------------//
	function initUserMenu()
	{
		var retVal = {
			data: {
				'container-id': 'image-board-user-menu-container-' + RANDOM,
				'container-class': 'image-board-user-menu-container',
				'title-class': 'image-board-user-menu-title',
				'content-class': 'image-board-user-menu-content',
				'bottom-class': 'image-board-user-menu-bottom',
				'open-class': 'image-board-user-menu-open',
				'close-class': 'image-board-user-menu-close',
			},
			get containerId(){return this.data['container-id'];},
			get containerClass(){return this.data['container-class'];},
			get titleClass(){return this.data['title-class'];},
			get contentClass(){return this.data['content-class'];},
			get bottomClass(){return this.data['bottom-class'];},
			get openClass(){return this.data['open-class'];},
			get closeClass(){return this.data['close-class'];},
			init: function(id, doc){
				doc = doc || document;
				var div = doc.querySelector('div#' + id), btn;
				clog("div: ", div, id);
				if( !div )
				{
					console.error("[initUserMenu] can't find div#" + id);
					return;
				}
				var userMenuId = 'image-board-user-menu-id-' + RANDOM,
					userMenuActive = 'image-board-user-menu-button-active',
					userMenuBtn = div.querySelector('#' + userMenuId );
				if( !userMenuBtn )
				{
					btn = document.createElement('button');
					btn.setAttribute('id', userMenuId );
					for( var key in this.data )
						btn.setAttribute('data-' + key, this.data[key] );
					btn.setAttribute('title', 'Press \'Shift+M\' to open/close User Menu');
					btn.appendChild(document.createTextNode('User Menu'));
					userMenuBtn = div.insertBefore( btn, div.firstChild );
				}
				return div;
			},
		};
		return retVal;
	}
	function handleUserMenuEvent(event)
	{
		var dataSet = (this.dataset && this.dataset.containerId ? this.dataset : imageBoard.userMenu ),
			div = document.querySelector('#' + dataSet.containerId ),
			body = document.body, contentHtml, bottomHtml,
			html = '';
		if( !div )
		{
			contentHtml = makeUserMenuContentHtml();
			bottomHtml = makeUserMenuBottomHtml();
			div = document.createElement('div');
			div.setAttribute('id', dataSet.containerId);
			div.setAttribute('class', dataSet.containerClass);
			html = '' +
			'<div class="' + dataSet.titleClass + '">' +
				'<span>' + GM.info.script.name + ' v' + GM.info.script.version + '</span>' +
				'<span class="image-board-user-menu-x"></span>' +
			'</div>' +
			'<div class="' + dataSet.contentClass + '">' + contentHtml + '</div>' +
			'<div class="' + dataSet.bottomClass + '">' + bottomHtml + '</div>';
			div.insertAdjacentHTML('beforeend', html);
			div = body.appendChild(div);
			addClass( div, dataSet.closeClass );
			activateUserMenu();
		}
		if( hasClass(div, dataSet.openClass) )
		{
			closeUserMenu.call(this);
			imageBoard.imgBrdSt.userMenu = false;
		}
		else if( hasClass(div, dataSet.closeClass) )
		{
			openUserMenu.call(this);
			imageBoard.imgBrdSt.userMenu = true;
		}
	}
	function makeUserMenuContentHtml()
	{
		var typeList = ['checkbox', 'number', 'text'],
			longOptions = ['tagsOrder', 'ignoredTags'],
			html = '', key, dt, inp, labl, inputWidth, i, k, catName, keyList;
		html += '<div class="image-board-user-menu-tabs-navigation">';
		html += '<ul class="image-board-user-menu-tabs-list">';
		for( i = 0; i < userOptions.categoryList.length; ++i )
		{
			catName = userOptions.categoryList[i];
			html += '<li id="image-board-user-menu-tab-nav-' + catName.replace(/\s+/g, '-') + '" ' +
				'class="' + (catName === 'General' ? 'tab-nav-active' : '') + '"><span>' + catName + '</span></li>';
		}
		html += '</ul></div>';
		html += '<div class="image-board-user-menu-tabs-content">';
		for( i = 0; i < userOptions.categoryList.length; ++i )
		{
			catName = userOptions.categoryList[i];
			keyList = userOptions.category(catName);
			html += '<div id="image-board-user-menu-tab-' + catName.replace(/\s+/g, '-') + '" ' +
				'tab-selected="' + (catName === 'General' ? 'true' : 'false') + '">';
			for( k = 0; k < keyList.length; ++k )
			{
				key = keyList[k];
				dt = userOptions.data[key];
				if( typeList.indexOf(dt.type) == -1 )
					continue;
				inputWidth = (longOptions.indexOf(key) != -1 ? '200px' : '70px');
				inp = '<input id="image-board-user-menu-' + key + '-val" type="' + dt.type + '" ' +
					'style="' + (dt.type!=='checkbox' ? 'text-align: center; width: ' + inputWidth: '') + '"/>';
				labl = '<label id="image-board-user-menu-' + key + '-caption" ' + (key == 'holdCtrl' ? 'title="Hodor" ': '') + '' +
					'for="image-board-user-menu-' + key + '-val" style="cursor: pointer;">' + dt.getDesc() + '</label>';
				html += '<section class="image-board-user-menu-section">' +
					(dt.type === 'checkbox' ? inp + labl : labl + inp ) + '</section>';
			}
			html += '</div>';
		}
		html += '</div>';
		return html;
	}
	function getUserOptionsListOf( prop )
	{
		var propList = [], key, dt;
		for( key in userOptions.data )
		{
			dt = userOptions.data[key];
			if( propList.indexOf(dt[prop]) == -1 )
				propList.push(dt[prop]);
		}
		return propList;
	}
	function makeUserMenuBottomHtml()
	{
		this.btnList = this.btnList || {
			'reset': {
				html: 'Reset',
				title: 'Reset all options to default ones',
			},
			'remove': {
				html: 'Remove',
				title: 'Remove all saved options',
			},
			'save': {
				html: 'Save Settings',
				title: '',
			},
		};
		var key, val, html = '';
		for( key in this.btnList )
		{
			val = this.btnList[key];
			html += '<button id="image-board-user-menu-' + key + '-button" class="user-menu-button" ' +
			'title="' + val.title + '">' + val.html + '</button>';
		}
		return html;
	}
	function activateUserMenu()
	{
		var doc = document,
			active = 'image-board-user-menu-button-active',
			btn, key;
		var userMenuMethodsObj = {
			'save': saveUserMenu,
			'remove': removeUserMenu,
			'reset': resetUserMenu,
			'x': closeUserMenu,
			'tabs-navigation': tabsUserMenu,
		};
		for( key in userMenuMethodsObj )
		{
			btn = doc.querySelector('#image-board-user-menu-' + key + '-button');
			if( !btn )
				btn = doc.querySelector('.image-board-user-menu-' + key );
			if( btn && !btn.classList.contains(active) )
			{
				btn.addEventListener('click', userMenuMethodsObj[key], false );
				btn.classList.add(active);
			}
		}
	}
	function setUserMenu()
	{
		var doc = document,
			key, dt, valueElm, captionElm;
		for( key in userOptions.data )
		{
			dt = userOptions.data[key];
			valueElm = doc.querySelector('#image-board-user-menu-' + key + '-val');
			if( !valueElm )
				continue;
			else if( dt.type === 'checkbox' )
				valueElm.checked = dt.val;
			else if( dt.type === 'number' || dt.type === 'text' )
				valueElm.value = _toString_( dt.val, ', ' );
			captionElm = doc.querySelector('#image-board-user-menu-' + key + '-caption');
			if( captionElm )
				captionElm.textContent = dt.getDesc();
		}
	}
	function saveUserMenu()
	{
		var doc = document,
			key, dt, valueElm;
		for( key in userOptions.data )
		{
			dt = userOptions.data[key];
			valueElm = doc.querySelector('#image-board-user-menu-' + key + '-val');
			if( !valueElm )
				continue;
			else if( dt.type === 'checkbox' )
				userOptions.val(key, valueElm.checked );
			else if( dt.type === 'number' || dt.type === 'text' )
				userOptions.val( key, valueElm.value );
		}
		userOptions.saveData();
		closeUserMenu();
		renameImages();
		resetViewerSettings();
		showViewerProgressBar( userOptions.val('showProgress') );
	}
	function renameImages()
	{
		if( !imageBoard )
			return;
		try{
			var list = imageBoard.images.list,
				site = imageBoard.siteList.val();
			for( var i = 0, len = list.length; i < len; ++i )
				site.setImageDataName( list[i] );
		}catch(error){
			console.error(error);
		}
	}
	function resetViewerSettings()
	{
		if( !imageBoard )
			return;
		var viewer = imageBoard.imgBrdVw,
			container = document.querySelector('#' + viewer.containerId);
		if( userOptions.val('fixedThumbs') )
			addClass( container, 'viewer-thumb-list-fixed' );
		else
			removeClass( container, 'viewer-thumb-list-fixed' );
		if( userOptions.val('fixedTags') )
			addClass( container, 'viewer-tag-list-fixed' );
		else
			removeClass( container, 'viewer-tag-list-fixed' );
	}
	function removeUserMenu()
	{
		userOptions.removeData();
	}
	function resetUserMenu()
	{
		userOptions.setDefs();
		userOptions.saveData();
		setUserMenu();
		renameImages();
	}
	function closeUserMenu()
	{
		var dataSet = imageBoard.userMenu.data,
			userMenu = document.querySelector('#' + dataSet['container-id']);
		toggleClass( userMenu, dataSet['close-class'], dataSet['open-class'] );
		imageBoard.imgBrdSt.userMenu = false;
	}
	function openUserMenu()
	{
		var dataSet = imageBoard.userMenu.data,
			userMenu = document.querySelector('#' + dataSet['container-id']);
		toggleClass( userMenu, dataSet['open-class'], dataSet['close-class'] );
		setUserMenu();
		imageBoard.imgBrdSt.userMenu = true;
	}
	function tabsUserMenu(event)
	{
		var t = event.target, categoryName, tabsNav, tabs, activeTab, i;
		if( t.tagName === 'SPAN' )
			t = t.parentNode;
		if( t.tagName !== 'LI' )
			return;
		tabsNav = document.querySelectorAll('.image-board-user-menu-tabs-navigation li');
		tabs = document.querySelectorAll('div[tab-selected]');
		for( i = 0; i < tabs.length; ++i )
		{
			tabs[i].setAttribute('tab-selected', 'false');
			removeClass( tabsNav[i], 'tab-nav-active' );
		}
		categoryName = t.id.replace('image-board-user-menu-tab-nav-', '');
		activeTab = document.querySelector('#image-board-user-menu-tab-' + categoryName);
		if( !activeTab )
			return;
		activeTab.setAttribute('tab-selected', 'true');
		addClass(t, 'tab-nav-active');
	}
	//------------------------------------- USER MENU ------------------------------------//
	//------------------------------------------------------------------------------------//
	//------------------------------------ USER OPTIONS ----------------------------------//
	async function initOptions()
	{
		function _setDef(){this.val = this.def;}
		var tagsType = ['character', 'copyright', 'artist', 'species', 'model', 'idol', 'photo_set', 'circle', 'medium', 'metadata', 'general', 'faults'];
		var retVal = {
			data: {
				'autoRun': {
					val: null,
					def: true,
					type: 'checkbox',
					category: 'General',
					setDef: _setDef,
					getDesc: function(){return 'Initialize the Script on start';},
				},
				'createViewer': {
					val: null,
					def: true,
					type: 'checkbox',
					category: 'General',
					setDef: _setDef,
					getDesc: function(){return 'Add Image Viewer to ImageBoard';},
				},
				'downloadJPEG': {
					val: null,
					def: false,
					type: 'checkbox',
					category: 'General',
					setDef: _setDef,
					getDesc: function(){return 'Donwload jpeg instead of png (yande.re option)';},
				},
				'animateProgress': {
					val: null,
					def: true,
					type: 'checkbox',
					category: 'General',
					setDef: _setDef,
					getDesc: function(){return 'Animate initialization/downloading progress'; },
				},
				'maxTagsInName': {
					val: null,
					def: 10,
					type: 'number',
					category: 'Filename',
					setDef: _setDef,
					getDesc: function(){return 'Maximum tags in file name:';},
					validator: function( v ){
						return v > 3 && v < 100;
					},
				},
				'tagsOrder': {
					_val: null,
					set val(s){
						if( !this._val )
							this._val = [];
						if( typeof s === 'string' )
							s = s.split(/\s?\,\s?/i);
						else if( !s )
							s = tagsType;
						//copy( this._val, s );
						this._val.length = 0;
						for( var i = 0; i < s.length; ++i )
							this._val.push(s[i].trim());
					},
					get val(){return this._val;},
					def: tagsType.join(','),
					type: 'text',
					category: 'Filename',
					setDef: _setDef,
					getDesc: function(){return 'Tags order in file name:';},
					validator: function(s){
						if( !s )
							return false;
						else if( typeof s === 'string' )
							s = s.trim().split(/\s?\,\s?/i);
						for( var i = 0, len = s.length; i < len; ++i )
						{
							if( tagsType.indexOf(s[i]) == -1 )
								return false;
						}
						return true;
					},
				},
				'ignoredTags': {
					_val: null,
					set val(s){
						if( !this._val )
							this._val = [];
						if( !s )
							s = [];
						else if( typeof s === 'string' )
							s = s.trim().split(',');
						//s.forEach(function(item){item = item.trim();});
						this._val.length = 0;
						for( var i = 0; i < s.length; ++i )
							this._val.push(s[i].trim());
					},
					get val(){return this._val;},
					def: '',
					type: 'text',
					category: 'Filename',
					setDef: _setDef,
					getDesc: function(){return 'Ignored tag names:';},
				},
				'tagsDelim': {
					val: null,
					def: '-',
					type: 'text',
					category: 'Filename',
					setDef: _setDef,
					getDesc: function(){return 'Tags delimeter:';},
					validator: function(v){
						v = v.toString();
						return v.length > 0 && v.length < 5;
					},
				},
				'addImgBrdName': {
					val: null,
					def: true,
					type: 'checkbox',
					category: 'Filename',
					setDef: _setDef,
					getDesc: function(){return 'Add ImageBoard name to file name';},
				},
				'prefixedName': {
					val: null,
					def: false,
					type: 'checkbox',
					category: 'Filename',
					setDef: _setDef,
					getDesc: function(){return 'Prefixed ImageBoard name';},
				},
				'imgIdAtNameEnd': {
					val: null,
					def: true,
					type: 'checkbox',
					category: 'Filename',
					setDef: _setDef,
					getDesc: function(){return 'Image ID, and ImageBoard name at file name end';},
				},
				'viewOriginal': {
					val: null,
					def: false,
					type: 'checkbox',
					category: 'Viewer',
					setDef: _setDef,
					getDesc: function(){return 'View original images';},
				},
				'viewJPEG': {
					val: null,
					def: false,
					type: 'checkbox',
					category: 'Viewer',
					setDef: _setDef,
					getDesc: function(){return 'View jpeg image (yande.re option)';},
				},
				'viewFirst': {
					val: null,
					def: true,
					type: 'checkbox',
					category: 'Viewer',
					setDef: _setDef,
					getDesc: function(){return 'Load 1st image on viewer activation';},
				},
				'holdCtrl': {
					val: null,
					def: false,
					type: 'checkbox',
					category: 'Viewer',
					setDef: _setDef,
					getDesc: function(){return 'Hold Ctrl key to left/right navigate when viewing';},
				},
				'fixedTags': {
					val: null,
					def: true,
					type: 'checkbox',
					category: 'Viewer',
					setDef: _setDef,
					getDesc: function(){return 'Fix tag list';},
				},
				'fixedThumbs': {
					val: null,
					def: false,
					type: 'checkbox',
					category: 'Viewer',
					setDef: _setDef,
					getDesc: function(){return 'Fix thumb list';},
				},
				'showProgress': {
					val: null,
					def: true,
					type: 'checkbox',
					category: 'Viewer',
					setDef: _setDef,
					getDesc: function(){return 'Show progress/status bar';},
				},
			},
			get storageKey(){ return 'user-options-storage-key';},
			get categoryList()
			{
				var catList = [], key, opt;
				for( key in this.data )
				{
					opt = this.data[key];
					if( catList.indexOf(opt.category) == -1 )
						catList.push(opt.category);
				}
				Object.defineProperty(this, 'categoryList', {
					get: function(){return catList;},
					enumerable: true,
					configurable: true,
				});
				return catList;
			},
			category: function( categoryName )
			{
				if( this.keyList === undefined )
				{
					this.keyList = {};
					var opt, key, list, i, catName;
					for( i = 0; i < this.categoryList.length; ++i )
					{
						catName = this.categoryList[i];
						list = this.keyList[catName] = [];
						for( key in this.data )
						{
							opt = this.data[key];
							if( opt.category === catName )
								list.push(key);
						}
					}
					Object.defineProperty(this, 'category', {
						value: function(name)
						{
							if( this.categoryList.indexOf(name) == -1 )
								return null;
							return this.keyList[name];
						},
						enumerable: true,
						configurable: true,
					});
				}
				return this.keyList[categoryName];
			},
			val: function( opt, v )
			{
				if( this.data[opt] )
				{
					if( v !== undefined )
					{
						if( typeof this.data[opt].validator !== 'function' && v !== null )
							this.data[opt].val = v;
						else if( this.data[opt].validator(v) )
							this.data[opt].val = v;
					}
					return this.data[opt].val;
				}else
					return null;
			},
			fixStorage: async function(){
				// backward compatibility with v0.2.0 and older
				var oldKey = 'user-options-storage-key-1681238',
					objStr = await GM.getValue( oldKey, '' );
				if( objStr )
				{
					GM.deleteValue(oldKey);
					GM.setValue( this.storageKey, objStr );
				}
				// backward compatibility with v0.7.0 and older
				var obj = null;
				objStr = await GM.getValue(this.storageKey, '');
				if( objStr )
					obj = JSON.parse(objStr);
				if( obj && obj.viewSample !== undefined )
				{
					obj.viewOriginal = !obj.viewSample;
					delete obj.viewSample;
					GM.deleteValue(this.storageKey);
					GM.setValue(this.storageKey, JSON.stringify(obj));
				}
			},
			saveData: function(){
				var storageObj = {};
				for( var key in this.data )
					storageObj[key] = this.data[key].val;
				GM.setValue( this.storageKey, JSON.stringify(storageObj) );
			},
			removeData: function(){
				GM.deleteValue(this.storageKey);
			},
			loadData: async function(){
				var storageObj = await GM.getValue(this.storageKey, null), v;
				if( storageObj )
					storageObj = JSON.parse(storageObj);
				else
					storageObj = {};
				clog('storage [loadData]:', storageObj);
				for( var key in this.data )
				{
					v = storageObj[key];
					if( v !== undefined )
					{
						clog('storage[' + key + ']: ', v);
						this.val( key, v );
					}else{
						clog('storage[' + key + ']: ', '[default]');
						this.data[key].setDef();
					}
				}
				this.saveData();
			},
			setDefs: function(){
				for( var key in this.data )
					this.data[key].setDef();
				this.saveData();
			},
			init: async function(){
				await this.fixStorage();
				await this.loadData();
			},
		};
		await retVal.init();
		clog('end [initOptions]');
		return retVal;
	}
	//------------------------------------ USER OPTIONS ----------------------------------//
	//------------------------------------------------------------------------------------//
	function newCssClasses()
	{
		generalCssClass();
		userMenuCssClass();
		imageViewerCssClass();
		progressBarCssClass();
	}
	function generalCssClass()
	{
		var id = 'general-css-' + RANDOM;
		addCssClass(`
			#image-board-div-${RANDOM} {
				text-align: right;
				position: relative;
			}
			#image-board-user-menu-container-${RANDOM} button,
			#image-board-div-${RANDOM} button {
				margin: 3px 10px;
				color: ${imageBoard.siteList.style().color};
				font-weight: bold;
				width: 180px;
				border: 0px;
				padding: 5px;
				background: ${imageBoard.siteList.style().background};
				cursor: pointer;
			}
			.image-board-viewer-bottom-class button:hover ,
			#image-board-user-menu-container-${RANDOM} button:hover ,
			#image-board-div-${RANDOM} button:hover {
				background: ${imageBoard.siteList.style().backgroundHover};
				color: ${imageBoard.siteList.style().colorHover};
			}
			div.image-board-viewer-on ,
			.image-board-user-menu-open {
				display: initial;
			}
			div.image-board-viewer-off ,
			.image-board-user-menu-close {
				display: none;
			}
			.image-board-downloader-off::after {
				content: " [off]";
			}
			.image-board-downloader-on::after {
				content: " [on]";
			}
			button.image-board-viewer-off::after {
				content: " [+]";
			}
			button.image-board-viewer-on::after {
				content: " [\u2013]";
			}
			.image-board-active-for-view,
			.image-board-active-for-download {
				cursor: default;
			}
		`, id);
	}
	function userMenuCssClass()
	{
		var id = 'user-menu-css-' + RANDOM;
		addCssClass(`
			.image-board-user-menu-title,
			#image-board-user-menu-container-${RANDOM} {
				border-top-left-radius: 5px;
				border-top-right-radius: 5px;
			}
			.image-board-user-menu-bottom,
			#image-board-user-menu-container-${RANDOM} {
				border-bottom-left-radius: 5px;
				border-bottom-right-radius: 5px;
			}
			#image-board-user-menu-container-${RANDOM} {
				position: fixed;
				bottom: 10px;
				right: 10px;
				z-index: 100200;
				background-color: #e7e7e7;
				width: 40%;
				height: 40%;
			}
			div.image-board-user-menu-title {
				font-weight: bold;
				line-height: 30px;
				color: ${imageBoard.siteList.style().color};
				background-color: ${imageBoard.siteList.style().background};
				position: absolute;
				width: 100%;
				height: 30px;
			}
			div.image-board-user-menu-title > span {
				padding-left: 8px;
			}
			.image-board-user-menu-x::after,
			.image-board-user-menu-x::before {
				content: "";
				position: absolute;
				width: 2px;
				height: 1.5em;
				background: ${imageBoard.siteList.style().color} !important;
				display: block;
				transform: rotate(45deg);
				left: 50%;
				margin: -1px 0 0 -1px;
				top: 0;
			}
			.image-board-user-menu-x::before {
				transform: rotate(-45deg);
			}
			.image-board-user-menu-x:hover::after,
			.image-board-user-menu-x:hover::before {
				background: ${imageBoard.siteList.style().colorHover} !important;
			}
			.image-board-user-menu-x:hover {
				background: ${imageBoard.siteList.style().backgroundHover};
			}
			.image-board-user-menu-x {
				position: absolute;
				width: 1.3em;
				height: 1.3em;
				cursor: pointer;
				top: 8px;
				right: 1px;
			}
			div.image-board-user-menu-content {
				background-color: #eeeeee;
				overflow-x: auto;
				overflow-y: hidden;
				position: absolute;
				top: 30px;
				right: 0px;
				bottom: 30px;
				left: 0px;
			}
			div.image-board-user-menu-content label {
				font-family: verdana, sans-serif;
				font-weight: initial;
				font-size: 12px;
				color: #7d7d7d !important;
				line-height: 30px;
				display: initial !important;
				white-space: initial !important;
			}
			.image-board-user-menu-content label {
				padding: 0 3px;
			}
			.image-board-user-menu-tabs-navigation {
				position: absolute;
				left: 0;
				width: 100px;
				height: 100%;
				overflow-y: auto;
				background-color: #e0e0e0;
			}
			.image-board-user-menu-tabs-navigation ul {
				padding: 0;
			}
			.image-board-user-menu-tabs-navigation li {
				list-style-type: none;
				color: #7d7d7d !important;
				height: 30px;
				line-height: 30px;
				padding-left: 10px;
				margin: 0;
				cursor: pointer;
			}
			.image-board-user-menu-tabs-navigation li:hover ,
			.image-board-user-menu-tabs-navigation li.tab-nav-active {
				background-color: #d0d0d0;
			}
			.image-board-user-menu-tabs-navigation li.tab-nav-active {
				font-weight: bold;
			}
			div.image-board-user-menu-tabs-content {
				position: absolute;
				left: 100px;
				right: 0;
				padding-left: 10px;
				overflow-y: auto;
				min-width: 240px;
				height: 100%;
			}
			div.image-board-user-menu-tabs-content div {
				display: none;
			}
			div.image-board-user-menu-tabs-content div[tab-selected="true"] {
				display: initial;
			}
			.image-board-user-menu-bottom {
				/*text-align: right;*/
				background-color: ${imageBoard.siteList.style().background};
				position: absolute;
				bottom: 0px;
				width: 100%;
				height: 30px;
			}
			#image-board-user-menu-reset-button {
				left: 10px;
			}
			#image-board-user-menu-save-button {
				position: absolute;
				right: 10px;
			}
			#image-board-user-menu-container-${RANDOM} button {
				width: initial;
				margin: 1px 2px;
				padding: 4px 6px;
		`, id);
	}
	function imageViewerCssClass()
	{
		var id = 'image-viewer-css-' + RANDOM,
			col = '#000';
		addCssClass(`
			.image-board-viewer-container {
				position: fixed;
				top: 0;
				right: 0;
				bottom: 0;
				left: 0;
				z-index: 100100;
				background-color: ${col};
			}
			button.image-board-viewer-btn {
				cursor: pointer;
			}
			.viewer-tag-list li {
				list-style-type: none;
				line-height: 1.8em;
				display: block;
				padding-left: 4px;
			}
			.viewer-thumb-div,
			.viewer-tag-list * {
				background-color: #303030;
			}
			.viewer-tag-list li.category-0 a,
			.viewer-tag-list li.tag-type-general a,
			.viewer-tag-list li.empty-category a {
				color: #337ab7;
			}
			div.viewer-tag-list-fixed > div.viewer-tag-list {
				opacity: 1;
				left: 0;
			}
			div.viewer-tag-list-fixed > div.viewer-img-list {
				left: 200px;
			}
			.viewer-tag-list:hover {
				opacity: 1;
				left: 0;
			}
			.viewer-tag-list:hover + * + .viewer-img-list {
				left: 200px;
			}
			.viewer-tag-list {
				position: absolute;
				width: 200px;
				min-width: 50px;
				top: 0;
				left: -170px;
				overflow-y: auto;
				height: 100%;
				/*padding: 3px 10px;*/
				background-color: #303030;
				opacity: 0.2;
				transition: all 0.75s;
			}
			div.viewer-thumb-list-fixed > div.viewer-thumb-list {
				opacity: 1;
				right: 0;
			}
			div.viewer-thumb-list-fixed > div.viewer-img-list {
				right: 200px;
			}
			.viewer-thumb-list:hover {
				opacity: 1;
				right: 0;
			}
			.viewer-thumb-list {
				position: absolute;
				width: 200px;
				min-width: 50px;
				top: 0;
				right: -170px;
				opacity: 0.2;
				overflow-y: auto;
				height: 100%;
				background-color: #303030;
				text-align: right;
				transition: all 0.75s;
			}
			.viewer-thumb-div {
				max-width: 200px;
				padding: 2px 1px 2px 0;
			}
			.viewer-thumb {
				max-width: 180px;
				/*max-height: 240px;*/
			}
			.viewer-thumb-list:hover + .viewer-img-list {
				right: 200px;
			}
			.viewer-img-list {
				position: absolute;
				top: 0;
				left: 30px;
				right: 30px;
				bottom: 5px;
				transition: all 0.75s;
				background-color: ${col};
			}
			.viewer-img-list > .viewer-img-div:not(.img-show) ,
			div[data-image-view-type="none_src"],
			div[data-image-view-type="vid_file"] > *:not(.vid_file) ,
			div[data-image-view-type="orig_img"] > *:not(.orig_img) ,
			div[data-image-view-type="jpeg_img"] > *:not(.jpeg_img) ,
			div[data-image-view-type="samp_img"] > *:not(.samp_img) {
				display: none;
			}
			.viewer-img-div.img-show {
				width: 100%;
				height: 100%;
				text-align: center;
				background-color: ${col};
			}
			.viewer-img-div > * {
				max-width: 100%;
				max-height: 100%;
			}
			.viewer-img-div:before {
				content: "";
				display: inline-block;
				height: 100%;
				vertical-align: middle;
			}
			.viewer-bottom:hover {
				opacity: 1;
			}
			.viewer-bottom {
				transition: all 0.5s;
				opacity: 0.2;
				background-color: ${col};
			}
			.image-board-viewer-bottom-class {
				position: absolute;
				left: 200px;
				right: 200px;
				bottom: 0px;
				text-align: center;
			}
			.image-board-viewer-bottom-class button {
				color: ${imageBoard.siteList.style().color};
				background-color: #303030;/*${imageBoard.siteList.style().background};*/
				cursor: initial;
				margin: 1px 1px 3px 1px;
				padding: 1px 5px;
				border: 0;
				font-weight: bold;
			}
		`, id);
	}
	function progressBarCssClass()
	{
		var id = 'progress-bar-css-' + RANDOM;
		addCssClass(`
			@-webkit-keyframes progression{
				from{background-position:0px 0px;}
				to{background-position:50px 0px;}
			}
			@-o-keyframes progression{
				from{background-position:0px 0px;}
				to{background-position:50px 0px;}
			}
			@keyframes progression{
				from{background-position:0px 0px;}
				to{background-position:50px 0px;}
			}
			.progress-bar div.progress-counted {
				background-color: #da504e;
				width: 100%;
			}
			.progress-bar div.image-ready {
				background-color: #fda02e;
			}
			div.progress-bar > div.progress-complete {
				background-color: #5db75d;
			}
			div.progress-stripe {
				background-image:-webkit-linear-gradient(-45deg,rgba(255,255,255,0.15) 25%,transparent 25%,transparent 50%,rgba(255,255,255,0.15) 50%,rgba(255,255,255,0.15) 75%,transparent 75%,transparent);
				background-image:-o-linear-gradient(-45deg,rgba(255,255,255,0.15) 25%,transparent 25%,transparent 50%,rgba(255,255,255,0.15) 50%,rgba(255,255,255,0.15) 75%,transparent 75%,transparent);
				background-image:linear-gradient(-45deg,rgba(255,255,255,0.15) 25%,transparent 25%,transparent 50%,rgba(255,255,255,0.15) 50%,rgba(255,255,255,0.15) 75%,transparent 75%,transparent);
				background-size: 50px 50px;
				height: 12px;
			}
			div.progress-bar{
				margin: 2px 2px 0px 0px;
			}
			.progress-bar > div.download-in-progress {
				background-color: #0773fb;
			}
			div.progress-animated {
				animation: progression 2s linear infinite;
			}
		`, id);
	}
	function addCssClass(cssClass, id)
	{
		var style = document.createElement('style'),
			head = document.querySelector('head');
		style.type = 'text/css';
		if( id )
			style.setAttribute('id', id);
		if( style.styleSheets )
			style.styleSheets.cssText = cssClass;
		else
			style.appendChild(document.createTextNode(cssClass));
		return head.appendChild(style);
	}
	function resetCssClass(cssClass, id)
	{
		var style = document.getElementById(id);
		if( style && style.type === 'text/css' )
			remove( style );
		addCssClass(cssClass, id);
	}
	function attr( elm, name, val )
	{
		var cond = (val === null || val === undefined);
		if( !elm || !name )
			return;
		if( cond )
		{
			if( elm.length === undefined )
				return elm.getAttribute(name);
			return null;
		}
		else if( elm.length > 0 )
			[].forEach.call(elm, function(it){it.setAttribute(name, val);});
		else
			elm.setAttribute(name, val);
	}
	function addClass( elm, name )
	{
		if( elm && name )
		{
			if( elm.length > 0 )
				[].forEach.call(elm, function(it){it.classList.add(name);});
			else
				elm.classList.add(name);
		}
	}
	function removeClass( elm, name )
	{
		if( elm && name )
		{
			if( elm.length > 0 )
				[].forEach.call(elm, function(it){it.classList.remove(name);});
			else
				elm.classList.remove(name);
		}
	}
	function hasClass( elm, name )
	{
		if( elm && name )
			return elm.classList.contains(name);
		return false;
	}
	function toggleClass( elm, newClass, oldClass )
	{
		if( !elm || !newClass )
			return;
		if( oldClass )
		{
			elm.classList.remove(oldClass);
			elm.classList.add(newClass);
		}
		else if( elm.classList.contains(newClass) )
			elm.classList.remove(newClass);
		else
			elm.classList.add(newClass);
	}
	function getLocation( url, attr )
	{
		if( !url || !attr )
			return null;
		this.link = this.link || document.createElement('a');
		this.link.href = url;
		return this.link[attr];
	}
	function getFileExt( source )
	{
		var ext = source ? getLocation( source, 'pathname' ) : null;
		ext = ext ? ext.match(/\.([^\.]+)$/) : null;
		ext = ext ? ext[1] : null;
		return ext;
	}
	function getSearchObject( search )
	{
		var keys = {};
		if( search )
		{
			search = search.replace(/^\?/, '');
			search.split('&').forEach(function(item){
				item = item.split('=');
				keys[item[0]] = item[1];
			});
		}
		return keys;
	}
	function isSameLink( lhs, rhs )
	{
		lhs = getLocation(lhs, 'href');
		rhs = getLocation(rhs, 'href');
		return lhs === rhs;
	}
	function last( arr )
	{
		if( arr && arr.length > 0 )
			return arr[arr.length-1];
		return null;
	}
	function copy( arr, v )
	{
		arr = arr || [];
		if( v && v.length !== undefined )
		{
			arr.length = 0;
			for( var i = 0, len = v.length; i < len; ++i )
				arr.push(v[i]);
		}
		return arr;
	}
	function _toString_( obj, delim )
	{
		if( typeof obj === 'string' )
			return obj;
		else if( obj && obj.length !== undefined )
			try{
				return obj.join( delim || ', ' );
			}catch(e){
				return obj.toString();
			}
		else if( obj )
			return obj.toString();
		return '';
	}
	function nodeWalk()
	{
		var len = arguments.length, obj = this, i, arg;
		for( i = 0; i < len; ++i )
		{
			arg = arguments[i];
			if( arg === undefined )
				return obj;
			else if( obj[arg] === undefined )
				return null;
			obj = obj[arg];
		}
		return obj;
	}
	function hide( elm )
	{
		if( !elm )
			return;
		else if( elm.length === undefined )
			elm.style.display = 'none';
		else{
			try{
			for( var i = 0, len = elm.length; i < len; ++i )
				elm[i].style.display = 'none';
			}catch(e){console.error(e);}
		}
	}
	function show( elm )
	{
		if( elm )
			elm.style.display = '';
	}
	function remove( elm )
	{
		if( elm && elm.parentNode )
			return elm.parentNode.removeChild(elm);
		return null;
	}
	function parent( elm, n )
	{
		if( !elm || n === null || n === undefined )
			return elm;
		else if( /^\d+$/.test(n.toString()) )
		{
			n = parseInt(n, 10);
			for( var i = 0; i < n && elm; ++i )
				elm = elm.parentNode;
		}
		else if( typeof n === 'string' )
		{
			n = n.toUpperCase();
			while( elm && elm.tagName !== n )
				elm = elm.parentNode;
		}
		return elm;
	}
})();