/*
TiddlyWiki created by Jeremy Ruston, (jeremy [at] osmosoft [dot] com)

Copyright (c) UnaMesa Association 2004-2007

Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.

Redistributions in binary form must reproduce the above copyright notice, this
list of conditions and the following disclaimer in the documentation and/or other
materials provided with the distribution.

Neither the name of the Osmosoft Limited nor the names of its contributors may be
used to endorse or promote products derived from this software without specific
prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
DAMAGE.
*/
var version = {title: "TiddlyWiki", major: 2, minor: 2, revision: 4, date: new Date("Jun 19, 2007"), extensions: {}};
//
// Please note:
// 
// * This code is designed to be readable but for compactness it only includes brief comments. You can see fuller comments
//   in the project Subversion repository at http://svn.tiddlywiki.org/Trunk/core/
//
// * You should never need to modify this source code directly. TiddlyWiki is carefully designed to allow deep customisation
//   without changing the core code. Please consult the development group at http://groups.google.com/group/TiddlyWikiDev
// 

//--
//-- Configuration repository
//--

// Miscellaneous options
var config = {
	numRssItems: 20, // Number of items in the RSS feed
	animDuration: 400, // Duration of UI animations in milliseconds
	cascadeFast: 20, // Speed for cascade animations (higher == slower)
	cascadeSlow: 60, // Speed for EasterEgg cascade animations
	cascadeDepth: 5 // Depth of cascade animation
};

// Adaptors
config.adaptors = {};

// Backstage tasks
config.tasks = {};

// Annotations
config.annotations = {};

// Custom fields to be automatically added to new tiddlers
config.defaultCustomFields = {};

// Messages
config.messages = {
	messageClose: {},
	dates: {},
	tiddlerPopup: {}
};

// Options that can be set in the options panel and/or cookies
config.options = {
	chkRegExpSearch: false,
	chkCaseSensitiveSearch: false,
	chkAnimate: true,
	chkSaveBackups: true,
	chkAutoSave: false,
	chkGenerateAnRssFeed: false,
	chkSaveEmptyTemplate: false,
	chkOpenInNewWindow: true,
	chkToggleLinks: false,
	chkHttpReadOnly: true,
	chkForceMinorUpdate: false,
	chkConfirmDelete: true,
	chkInsertTabs: false,
	chkUsePreForStorage: true, // Whether to use <pre> format for storage
	chkDisplayStartupTime: false,
	txtBackupFolder: "",
	txtMainTab: "tabTimeline",
	txtMoreTab: "moreTabAll",
	txtMaxEditRows: "30",
	txtFileSystemCharSet: "UTF-8"
	};
config.optionsDesc = {};
	
// List of notification functions to be called when certain tiddlers are changed or deleted
config.notifyTiddlers = [
	{name: "StyleSheetLayout", notify: refreshStyles},
	{name: "StyleSheetColors", notify: refreshStyles},
	{name: "StyleSheet", notify: refreshStyles},
	{name: "StyleSheetPrint", notify: refreshStyles},
	{name: "PageTemplate", notify: refreshPageTemplate},
	{name: "SiteTitle", notify: refreshPageTitle},
	{name: "SiteSubtitle", notify: refreshPageTitle},
	{name: "ColorPalette", notify: refreshColorPalette},
	{name: null, notify: refreshDisplay}
];

// Default tiddler templates
var DEFAULT_VIEW_TEMPLATE = 1;
var DEFAULT_EDIT_TEMPLATE = 2;
config.tiddlerTemplates = {
	1: "ViewTemplate",
	2: "EditTemplate"
};

// More messages (rather a legacy layout that shouldn't really be like this)
config.views = {
	wikified: {
		tag: {}
	},
	editor: {
		tagChooser: {}
	}
};

// Backstage tasks
config.backstageTasks = ["save","sync","importTask","tweak","plugins"];

// Macros; each has a 'handler' member that is inserted later
config.macros = {
	today: {},
	version: {},
	search: {sizeTextbox: 15},
	tiddler: {},
	tag: {},
	tags: {},
	tagging: {},
	timeline: {},
	allTags: {},
	list: {
		all: {},
		missing: {},
		orphans: {},
		shadowed: {},
		touched: {}
	},
	closeAll: {},
	permaview: {},
	saveChanges: {},
	slider: {},
	option: {},
	options: {},
	newTiddler: {},
	newJournal: {},
	sparkline: {},
	tabs: {},
	gradient: {},
	message: {},
	view: {},
	edit: {},
	tagChooser: {},
	toolbar: {},
	br: {},
	plugins: {},
	refreshDisplay: {},
	importTiddlers: {},
	sync: {},
	annotations: {}
};

// Commands supported by the toolbar macro
config.commands = {
	closeTiddler: {},
	closeOthers: {},
	editTiddler: {},
	saveTiddler: {hideReadOnly: true},
	cancelTiddler: {},
	deleteTiddler: {hideReadOnly: true},
	permalink: {},
	references: {type: "popup"},
	jump: {type: "popup"},
	syncing: {type: "popup"},
	fields: {type: "popup"}
};

// Browser detection... In a very few places, there's nothing else for it but to know what browser we're using.
config.userAgent = navigator.userAgent.toLowerCase();
config.browser = {
	isIE: config.userAgent.indexOf("msie") != -1 && config.userAgent.indexOf("opera") == -1,
	isGecko: config.userAgent.indexOf("gecko") != -1,
	ieVersion: /MSIE (\d.\d)/i.exec(config.userAgent), // config.browser.ieVersion[1], if it exists, will be the IE version string, eg "6.0"
	isSafari: config.userAgent.indexOf("applewebkit") != -1,
	isBadSafari: !((new RegExp("[\u0150\u0170]","g")).test("\u0150")),
	firefoxDate: /gecko\/(\d{8})/i.exec(config.userAgent), // config.browser.firefoxDate[1], if it exists, will be Firefox release date as "YYYYMMDD"
	isOpera: config.userAgent.indexOf("opera") != -1,
	isLinux: config.userAgent.indexOf("linux") != -1,
	isUnix: config.userAgent.indexOf("x11") != -1,
	isMac: config.userAgent.indexOf("mac") != -1,
	isWindows: config.userAgent.indexOf("win") != -1
};

// Basic regular expressions
config.textPrimitives = {
	upperLetter: "[A-Z\u00c0-\u00de\u0150\u0170]",
	lowerLetter: "[a-z0-9_\\-\u00df-\u00ff\u0151\u0171]",
	anyLetter:   "[A-Za-z0-9_\\-\u00c0-\u00de\u00df-\u00ff\u0150\u0170\u0151\u0171]",
	anyLetterStrict: "[A-Za-z0-9\u00c0-\u00de\u00df-\u00ff\u0150\u0170\u0151\u0171]"
};
if(config.browser.isBadSafari) {
	config.textPrimitives = {
		upperLetter: "[A-Z\u00c0-\u00de]",
		lowerLetter: "[a-z0-9_\\-\u00df-\u00ff]",
		anyLetter:   "[A-Za-z0-9_\\-\u00c0-\u00de\u00df-\u00ff]",
		anyLetterStrict: "[A-Za-z0-9\u00c0-\u00de\u00df-\u00ff]"
	};
}
config.textPrimitives.sliceSeparator = "::";
config.textPrimitives.urlPattern = "[a-z]{3,8}:[^\\s:'\"][^\\s'\"]*(?:/|\\b)";
config.textPrimitives.unWikiLink = "~";
config.textPrimitives.wikiLink = "(?:(?:" + config.textPrimitives.upperLetter + "+" +
	config.textPrimitives.lowerLetter + "+" +
	config.textPrimitives.upperLetter +
	config.textPrimitives.anyLetter + "*)|(?:" +
	config.textPrimitives.upperLetter + "{2,}" +
	config.textPrimitives.lowerLetter + "+))";

config.textPrimitives.cssLookahead = "(?:(" + config.textPrimitives.anyLetter + "+)\\(([^\\)\\|\\n]+)(?:\\):))|(?:(" + config.textPrimitives.anyLetter + "+):([^;\\|\\n]+);)";
config.textPrimitives.cssLookaheadRegExp = new RegExp(config.textPrimitives.cssLookahead,"mg");

config.textPrimitives.brackettedLink = "\\[\\[([^\\]]+)\\]\\]";
config.textPrimitives.titledBrackettedLink = "\\[\\[([^\\[\\]\\|]+)\\|([^\\[\\]\\|]+)\\]\\]";
config.textPrimitives.tiddlerForcedLinkRegExp = new RegExp("(?:" + config.textPrimitives.titledBrackettedLink + ")|(?:" +
	config.textPrimitives.brackettedLink + ")|(?:" + 
	config.textPrimitives.urlPattern + ")","mg");
config.textPrimitives.tiddlerAnyLinkRegExp = new RegExp("("+ config.textPrimitives.wikiLink + ")|(?:" +
	config.textPrimitives.titledBrackettedLink + ")|(?:" +
	config.textPrimitives.brackettedLink + ")|(?:" +
	config.textPrimitives.urlPattern + ")","mg");

config.glyphs = {
	browsers: [
		function() {return config.browser.isIE;},
		function() {return true}
	],
	currBrowser: null,
	codes: {
		downTriangle: ["\u25BC","\u25BE"],
		downArrow: ["\u2193","\u2193"],
		bentArrowLeft: ["\u2190","\u21A9"],
		bentArrowRight: ["\u2192","\u21AA"]
	}
};

//--
//-- Shadow tiddlers
//--

config.shadowTiddlers = {
	StyleSheet: "",
	MarkupPreHead: "<!--{{{-->\n<link rel='alternate' type='application/rss+xml' title='RSS' href='index.xml'/>\n<!--}}}-->",
	MarkupPostHead: "",
	MarkupPreBody: "",
	MarkupPostBody: "",
	TabTimeline: '<<timeline>>',
	TabAll: '<<list all>>',
	TabTags: '<<allTags excludeLists>>',
	TabMoreMissing: '<<list missing>>',
	TabMoreOrphans: '<<list orphans>>',
	TabMoreShadowed: '<<list shadowed>>',
	AdvancedOptions: '<<options>>',
	PluginManager: '<<plugins>>',
	ImportTiddlers: '<<importTiddlers>>'
};

// zh-Hans ConfigTweaks 
/*{{{*/
config.options.txtFileSystemCharSet = "GBK";
/*}}}*/
// -End of ConfigTweak
/***
|''Name:''|zh-HansTranslationPlugin|
|''Description:''|Translation of TiddlyWiki into Simply Chinese|
|''Source:''|http://tiddlywiki-zh.googlecode.com/svn/trunk/|
|''Subversion:''|http://svn.tiddlywiki.org/Trunk/association/locales/core/zh-Hans/locale.zh-Hans.js|
|''Author:''|BramChen (bram.chen (at) gmail (dot) com)|
|''Version:''|2.2.0.5|
|''Date:''|May 10, 2007|
|''Comments:''|Please make comments at http://groups-beta.google.com/group/TiddlyWiki-zh/|
|''License:''|[[Creative Commons Attribution-ShareAlike 2.5 License|http://creativecommons.org/licenses/by-sa/2.5/]]|
|''~CoreVersion:''|2.2.0|
***/

//{{{
// --
// -- Translateable strings
// --

// Strings in "double quotes" should be translated; strings in 'single quotes' should be left alone

config.locale = 'zh-Hans'; // W3C language tag

if (!config.options.txtUserName)
	config.options.txtUserName = "YourName";

merge(config.tasks,{
	save: {text: "保存", tooltip: "保存变更至此 TiddlyWiki", action: saveChanges},
	sync: {text: "同步", tooltip: "将你的资料内容与外部服务器与文件同步", content: '<<sync>>'},
	importTask: {text: "导入", tooltip: "自其他文件或服务器导入文章或插件", content: '<<importTiddlers>>'},
	tweak: {text: "选项", tooltip: "改变此 TiddlyWiki 显示与行为设置", content: '<<options>>'},
	plugins: {text: "套件管理", tooltip: "管理已安装的套件", content: '<<plugins>>'}
});

merge(config.optionsDesc,{
	txtUserName: "编辑文章所使用之作者署名",
	chkRegExpSearch: "启用正规式查找",
	chkCaseSensitiveSearch: "查找时，区分大小写",
	chkAnimate: "使用动画显示",
	chkSaveBackups: "保存变更前，保留备份文件",
	chkAutoSave: "自动保存变更",
	chkGenerateAnRssFeed: "保存变更时，也保存 RSS feed",
	chkSaveEmptyTemplate: "保存变更时，也保存空白范本",
	chkOpenInNewWindow: "于新视窗开启连结",
	chkToggleLinks: "点击已开启文章将其关闭",
	chkHttpReadOnly: "非本机浏览文件时，隐藏编辑功能",
	chkForceMinorUpdate: "修改文章时，不变更作者名称与日期时间",
	chkConfirmDelete: "删除文章前须确认",
	chkInsertTabs: "使用 tab 键插入定位字符，而非跳至下一个栏位",
	txtBackupFolder: "存放备份文件的资料夹",
	txtMaxEditRows: "编辑模式中显示列数",
	txtFileSystemCharSet: "指定保存文件所在之档案系统之字符集 (仅适用于 Firefox/Mozilla only)"});

// Messages
merge(config.messages,{
	customConfigError: "插件载入发生错误，详细请参考 PluginManager",
	pluginError: "发生错误: %0",
	pluginDisabled: "未执行，因标签设为 'systemConfigDisable'",
	pluginForced: "已执行，因标签设为 'systemConfigForce'",
	pluginVersionError: "未执行，插件需较新版本的 TiddlyWiki",
	nothingSelected: "尚未作任何选择，至少需选择一项",
	savedSnapshotError: "此 TiddlyWiki 未正确保存，详见 http://www.tiddlywiki.com/#DownloadSoftware",
	subtitleUnknown: "(未知)",
	undefinedTiddlerToolTip: "'%0' 尚无内容",
	shadowedTiddlerToolTip: "'%0' 尚无内容, 但已定义隐藏的默认值",
	tiddlerLinkTooltip: "%0 - %1, %2",
	externalLinkTooltip: "外部链接至 %0",
	noTags: "未设置标签的文章",
	notFileUrlError: "须先将此 TiddlyWiki 存至本机文件，才可保存变更",
	cantSaveError: "无法保存变更。可能的原因有：\n- 你的浏览器不支援此保存功能（Firefox, Internet Explorer, Safari and Opera 经适当设定后可保存变更）\n- 也可能是你的 TiddlyWiki 文件名称包含不合法的字符所致。\n- 或是 TiddlyWiki 文件被改名或搬移。",
	invalidFileError: " '%0' 非有效之 TiddlyWiki 文件",
	backupSaved: "已保存备份",
	backupFailed: "无法保存备份",
	rssSaved: "RSS feed 已保存",
	rssFailed: "无法保存 RSS feed ",
	emptySaved: "已保存范本",
	emptyFailed: "无法保存范本",
	mainSaved: "主要的TiddlyWiki已保存",
	mainFailed: "无法保存主要 TiddlyWiki，所作的改变未保存",
	macroError: "宏 <<\%0>> 执行错误",
	macroErrorDetails: "执行宏 <<\%0>> 时，发生错误 :\n%1",
	missingMacro: "无此宏",
	overwriteWarning: "'%0' 已存在，[确定]覆盖之",
	unsavedChangesWarning: "注意！ 尚未保存变更\n\n[确定]保存，或[取消]放弃保存？",
	confirmExit: "--------------------------------\n\nTiddlyWiki 以更改内容尚未保存，继续的话将遗失这些更动\n\n--------------------------------",
	saveInstructions: "SaveChanges",
	unsupportedTWFormat: "未支援此 TiddlyWiki 格式：'%0'",
	tiddlerSaveError: "保存文章 '%0' 时，发生错误。",
	tiddlerLoadError: "载入文章 '%0' 时，发生错误。",
	wrongSaveFormat: "无法使用格式 '%0' 保存，请使用标准格式存放",
	invalidFieldName: "无效的栏位名称：%0",
	fieldCannotBeChanged: "无法变更栏位：'%0'",
	loadingMissingTiddler: "正从伺服器 '%1' 的：\n\n工作区 '%3' 中的 '%2' 撷取文章 '%0'"});

merge(config.messages.messageClose,{
	text: "关闭",
	tooltip: "关闭此讯息"});

config.messages.backstage = {
	open: {text: "控制台", tooltip: "开启控制台执行编写工作"},
	close: {text: "关闭", tooltip: "关闭控制台"},
	prompt: "控制台：",
	decal: {
		edit: {text: "编辑", tooltip: "编辑 '%0'"}
	}
};

config.messages.listView = {
	tiddlerTooltip: "查看全文",
	previewUnavailable: "(无法预览)"
};

config.messages.dates.months = ["一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "十一月", "十二月"];
config.messages.dates.days = ["日", "一","二", "三", "四", "五", "六"];
config.messages.dates.shortMonths = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
config.messages.dates.shortDays = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"];
// suffixes for dates, eg "1st","2nd","3rd"..."30th","31st"
config.messages.dates.daySuffixes = ["st","nd","rd","th","th","th","th","th","th","th",
		"th","th","th","th","th","th","th","th","th","th",
		"st","nd","rd","th","th","th","th","th","th","th",
		"st"];
config.messages.dates.am = "上午";
config.messages.dates.pm = "下午";

merge(config.messages.tiddlerPopup,{ 
	});

merge(config.views.wikified.tag,{
	labelNoTags: "未设标签",
	labelTags: "标签: ",
	openTag: "开启标签 '%0'",
	tooltip: "显示标签为 '%0' 的文章",
	openAllText: "开启以下所有文章",
	openAllTooltip: "开启以下所有文章",
	popupNone: "仅此文标签为 '%0'"});

merge(config.views.wikified,{
	defaultText: "",
	defaultModifier: "(未完成)",
	shadowModifier: "(默认)",
	dateFormat: "YYYY年0MM月0DD日",
	createdPrompt: "创建于"});

merge(config.views.editor,{
	tagPrompt: "设置标签之间以空白区隔，[[标签含空白时请使用双中括弧]]，或点选现有之标签加入",
	defaultText: ""});

merge(config.views.editor.tagChooser,{
	text: "标签",
	tooltip: "点选现有之标签加至本文章",
	popupNone: "未设置标签",
	tagTooltip: "加入标签 '%0'"});

	merge(config.messages,{
	sizeTemplates:
		[
		{unit: 1024*1024*1024, template: "%0\u00a0GB"},
		{unit: 1024*1024, template: "%0\u00a0MB"},
		{unit: 1024, template: "%0\u00a0KB"},
		{unit: 1, template: "%0\u00a0B"}
		]});

merge(config.macros.search,{
	label: " 寻找",
	prompt: "搜寻本 Wiki",
	accessKey: "F",
	successMsg: " %0 篇符合条件: %1",
	failureMsg: " 无符合条件: %0"});

merge(config.macros.tagging,{
	label: "引用标签:",
	labelNotTag: "无引用标签",
	tooltip: "列出标签为 '%0' 的文章"});

merge(config.macros.timeline,{
	dateFormat: "YYYY年0MM月0DD日"});

merge(config.macros.allTags,{
	tooltip: "显示文章- 标签为'%0'",
	noTags: "没有标签"});

config.macros.list.all.prompt = "依字母排序";
config.macros.list.missing.prompt = "被引用且内容空白的文章";
config.macros.list.orphans.prompt = "未被引用的文章";
config.macros.list.shadowed.prompt = "这些隐藏的文章已定义默认内容";
config.macros.list.touched.prompt = "自下载或添加后被修改过的文章"; 

merge(config.macros.closeAll,{
	label: "全部关闭",
	prompt: "关闭所有开启中的 tiddler (编辑中除外)"});

merge(config.macros.permaview,{
	label: "永久链接",
	prompt: "可存取现有开启之文章的链接位址"});

merge(config.macros.saveChanges,{
	label: "保存变更",
	prompt: "保存所有文章，产生新的版本",
	accessKey: "S"});

merge(config.macros.newTiddler,{
	label: "创建文章",
	prompt: "创建 tiddler",
	title: "创建文章",
	accessKey: "N"});

merge(config.macros.newJournal,{
	label: "创建日志",
	prompt: "创建 jounal",
	accessKey: "J"});

merge(config.macros.options,{
	wizardTitle: "增订的进阶选项",
	step1Title: "增订的选项保存于浏览器的 cookies",
	step1Html: "<input type='hidden' name='markList'></input><br><input type='checkbox' checked='false' name='chkUnknown'>显示未知选项</input>",
	unknownDescription: "//(未知)//",
	listViewTemplate: {
		columns: [
			{name: 'Option', field: 'option', title: "选项", type: 'String'},
			{name: 'Description', field: 'description', title: "说明", type: 'WikiText'},
			{name: 'Name', field: 'name', title: "名称", type: 'String'}
			],
		rowClasses: [
			{className: 'lowlight', field: 'lowlight'} 
			]}
	});

merge(config.macros.plugins,{
	wizardTitle: "插件管理",
	step1Title: "- 已载入之插件",
	step1Html: "<input type='hidden' name='markList'></input>", // DO NOT TRANSLATE
	skippedText: "(此插件因刚加入，故尚未执行)",
	noPluginText: "未安装插件",
	confirmDeleteText: "确认是否删除此文章:\n\n%0",
	removeLabel: "移除 'systemConfig' 标签",
	removePrompt: "移除 'systemConfig' 标签",
	deleteLabel: "删除",
	deletePrompt: "永远删除所选插件",
	listViewTemplate : {
		columns: [
			{name: 'Selected', field: 'Selected', rowName: 'title', type: 'Selector'},
			{name: 'Tiddler', field: 'tiddler', title: "套件", type: 'Tiddler'},
			{name: 'Size', field: 'size', tiddlerLink: 'size', title: "大小", type: 'Size'},
			{name: 'Forced', field: 'forced', title: "强制执行", tag: 'systemConfigDisable', type: 'TagCheckbox'},
			{name: 'Disabled', field: 'disabled', title: "停用", tag: 'systemConfigDisable', type: 'TagCheckbox'},
			{name: 'Executed', field: 'executed', title: "已载入", type: 'Boolean', trueText: "是", falseText: "否"},
			{name: 'Startup Time', field: 'startupTime', title: "载入时间", type: 'String'},
			{name: 'Error', field: 'error', title: "载入状态", type: 'Boolean', trueText: "错误", falseText: "正常"},
			{name: 'Log', field: 'log', title: "记录", type: 'StringList'}
			],
		rowClasses: [
			{className: 'error', field: 'error'},
			{className: 'warning', field: 'warning'}
			]}
	});

merge(config.macros.toolbar,{
	moreLabel: "其他",
	morePrompt: "显示更多工具命令"});

merge(config.macros.refreshDisplay,{
	label: "刷新",
	prompt: "刷新此 TiddlyWiki 显示"
	});

merge(config.macros.importTiddlers,{
	readOnlyWarning: "TiddlyWiki 于唯读模式下，不支援导入文章。请由本机（file://）开启 TiddlyWiki 文件",
	wizardTitle: "自其他文件服务器导入文章",
	wizardTitle: "自其他档案或服务器汇入文章",
	step1Title: "步骤一：指定服务器或来源文件",
	step1Html: "指定服务器类型：<select name='selTypes'><option value=''>选取...</option></select><br>请输入网址或路径：<input type='text' size=50 name='txtPath'><br>...或选择来源文件：<input type='file' size=50 name='txtBrowse'><br><hr>...或选择指定的馈入来源：<select name='selFeeds'><option value=''>选取...</option></select>",
	openLabel: "开启",
	openPrompt: "开启文件或",
	openError: "读取来源文件时发生错误",
	statusOpenHost: "正与服务器建立连线",
	statusGetWorkspaceList: "正在取得可用之文章清单",
	step2Title: "步骤二：选择工作区",
	step2Html: "输入工作区名称：<input type='text' size=50 name='txtWorkspace'><br>...或选择工作区：<select name='selWorkspace'><option value=''>选取...</option></select>",
	cancelLabel: "取消",
	cancelPrompt: "取消本次导入动作",
	statusOpenWorkspace: "正在开启工作区",
	statusGetTiddlerList: "正在取得可用之文章清单",
	step3Title: "步骤三：选择欲导入之文章",
	step3Html: "<input type='hidden' name='markList'></input><br><input type='checkbox' checked='true' name='chkSync'>保持这些文章与伺服器连结，便于同步后续的变更。</input><br><input type='checkbox' name='chkSave'>保存此服务器的详细资讯于标签为 'systemServer' 的文章名为：</input> <input type='text' size=25 name='txtSaveTiddler'>", 
	importLabel: "导入",
	importPrompt: "导入所选文章",
	confirmOverwriteText: "确定要覆写这些文章：\n\n%0",
	step4Title: "步骤四：正在导入%0 篇文章",
	step4Html: "<input type='hidden' name='markReport'></input>", // DO NOT TRANSLATE
	doneLabel: "完成",
	donePrompt: "关闭",
	statusDoingImport: "正在导入文章 ...",
	statusDoneImport: "所选文章已导入",
	systemServerNamePattern: "%2 位于 %1",
	systemServerNamePatternNoWorkspace: "%1",
	confirmOverwriteSaveTiddler: "此 tiddler '%0' 已经存在。点击“确定”以服务器上料覆写之，或“取消”不变更后离开",
	serverSaveTemplate: "|''Type:''|%0|\n|''网址：''|%1|\n|''工作区：''|%2|\n\n此文为自动产生纪录伺服器之相关资讯。",
	serverSaveModifier: "（系统）",
	listViewTemplate: {
		columns: [
			{name: 'Selected', field: 'Selected', rowName: 'title', type: 'Selector'},
			{name: 'Tiddler', field: 'tiddler', title: "文章", type: 'Tiddler'},
			{name: 'Size', field: 'size', tiddlerLink: 'size', title: "大小", type: 'Size'},
			{name: 'Tags', field: 'tags', title: "标签", type: 'Tags'}
			],
		rowClasses: [
			]}
	});

merge(config.macros.sync,{
	listViewTemplate: {
		columns: [
			{name: 'Selected', field: 'selected', rowName: 'title', type: 'Selector'},
			{name: 'Tiddler', field: 'tiddler', title: "文章", type: 'Tiddler'},
			{name: 'Server Type', field: 'serverType', title: "服务器类型", type: 'String'},
			{name: 'Server Host', field: 'serverHost', title: "服务器主机", type: 'String'},
			{name: 'Server Workspace', field: 'serverWorkspace', title: "服务器工作区", type: 'String'},
			{name: 'Status', field: 'status', title: "同步情形", type: 'String'},
			{name: 'Server URL', field: 'serverUrl', title: "服务器网址", text: "View", type: 'Link'}
			],
		rowClasses: [
			],
		buttons: [
			{caption: "同步更新这些文章", name: 'sync'}
			]},
	wizardTitle: "将你的资料内容与外部服务器与文件同步",
	step1Title: "选择欲同步的文章",
	step1Html: '<input type="hidden" name="markList"></input>',
	syncLabel: "同步",
	syncPrompt: "同步更新这些文章",
	hasChanged: "已更动",
	hasNotChanged: "未更动",
	syncStatusList: {
		none: {text: "...", color: 'none'},
		changedServer: {text: "服务器资料已更动", color: '#80ff80'},
		changedLocally: {text: "本机资料已更动", color: '#80ff80'},
		changedBoth: {text: "已同时更新本机与服务器上的资料", color: '#ff8080'},
		notFound: {text: "服务器无此资料", color: 'ffff80'},
		putToServer: {text: "已储存更新资料至服务器", color: '#ff80ff'},
		gotFromServer: {text: "已从服务器撷取更新资料", color: '#80ffff'}
		}
	});

merge(config.macros.annotations,{
	});

merge(config.commands.closeTiddler,{
	text: "关闭",
	tooltip: "关闭本文"});

merge(config.commands.closeOthers,{
	text: "关闭其他",
	tooltip: "关闭其他文章"});

merge(config.commands.editTiddler,{
	text: "编辑",
	tooltip: "编辑本文",
	readOnlyText: "查阅",
	readOnlyTooltip: "查阅本文之原始内容"});

merge(config.commands.saveTiddler,{
	text: "完成",
	tooltip: "确定修改"});

merge(config.commands.cancelTiddler,{
	text: "取消",
	tooltip: "取消修改",
	warning: "确定取消对 '%0' 的修改吗?",
	readOnlyText: "完成",
	readOnlyTooltip: "返回正常显示模式"});

merge(config.commands.deleteTiddler,{
	text: "删除",
	tooltip: "删除文章",
	warning: "确定删除 '%0'?"});

merge(config.commands.permalink,{
	text: "永久链接",
	tooltip: "本文永久链接"});

merge(config.commands.references,{
	text: "引用",
	tooltip: "引用本文的文章",
	popupNone: "本文未被引用"});

merge(config.commands.jump,{
	text: "跳转",
	tooltip: "跳转至其他已开启的文章"});

merge(config.commands.syncing,{
	text: "同步",
	tooltip: "本文章与服务器或其他外部文件的同步资讯",
	currentlySyncing: "<div>同步类型：<span class='popupHighlight'>'%0'</span></"+"div><div>与服务器：<span class='popupHighlight'>%1 同步</span></"+"div><div>工作区：<span class='popupHighlight'>%2</span></"+"div>", // Note escaping of closing <div> tag
	notCurrentlySyncing: "无进行中的同步动作",
	captionUnSync: "停止同步此文章",
	chooseServer: "与其他服务器同步此文章:",
	currServerMarker: "\u25cf ",
	notCurrServerMarker: "  "});

merge(config.commands.fields,{
	text: "栏位",
	tooltip: "显示此文章的扩充资讯",
	emptyText: "此文章没有扩充栏位",
	listViewTemplate: {
		columns: [
			{name: 'Field', field: 'field', title: "扩充栏位", type: 'String'},
			{name: 'Value', field: 'value', title: "内容", type: 'String'}
			],
		rowClasses: [
			],
		buttons: [
			]}});

merge(config.shadowTiddlers,{
	DefaultTiddlers: "GettingStarted",
	MainMenu: "[[使用说明|GettingStarted]]",
	SiteTitle: "我的 TiddlyWiki",
	SiteSubtitle: "一个可重复使用的个人网页式笔记本",
	SiteUrl: 'http://www.tiddlywiki.com/',
	SideBarOptions: '<<search>><<closeAll>><<permaview>><<newTiddler>><<newJournal " YYYY年0MM月0DD日">><<saveChanges>><<slider chkSliderOptionsPanel OptionsPanel  "偏好设置 »" "变更 TiddlyWiki 选项">>',
	SideBarTabs: '<<tabs txtMainTab "最近更新" "依更新日期排序" TabTimeline "全部" "所有文章" TabAll "分类" "所有标签" TabTags "更多" "其他" TabMore>>',
	TabMore: '<<tabs txtMoreTab "未完成" "内容空白的文章" TabMoreMissing "未引用" "未被引用的文章" TabMoreOrphans "默认文章" "默认的影子文章" TabMoreShadowed>>'});

merge(config.annotations,{
	AdvancedOptions: "此默认文章可以存取一些进阶选项。",
	ColorPalette: "此默认文章里的设定值，将决定 ~TiddlyWiki 使用者介面的配色。",
	DefaultTiddlers: "当 ~TiddlyWiki 在浏览器中开启时，此默认文章里列出的文章，将被自动显示。",
	EditTemplate: "此默认文章里的 HTML template 将决定文章进入编辑模式时的显示版面。",
	GettingStarted: "此默认文章提供基本的使用说明。",
	ImportTiddlers: "此默认文章提供存取导入中的文章。",
	MainMenu: "此默认文章的内容，为于萤幕左侧主菜单的内容",
	MarkupPreHead: "此文章的内容将加至 TiddlyWiki 文件的 <head> 段落的起始",
	MarkupPostHead: "此文章的内容将加至 TiddlyWiki 文件的 <head> 段落的最后",
	MarkupPreBody: "此文章的内容将加至 TiddlyWiki 文件的 <body> 段落的起始",
	MarkupPostBody: "此文章的内容将加至 TiddlyWiki 文件的 <body> 段落的最后，于 script 区块之前",
	OptionsPanel: "此默认文章的内容，为于萤幕右侧副菜单中的选项面板里的内容",
	PageTemplate: "此默认文章里的 HTML template 决定的 ~TiddlyWiki 主要的版面配置",
	PluginManager: "此默认文章提供存取套件管理员",
	SideBarOptions: "此默认文章的内容，为于萤幕右侧副菜单中选项面板里的内容",
	SideBarTabs: "此默认文章的内容，为于萤幕右侧副菜单中的页签面板里的内容",
	SiteSubtitle: "此默认文章的内容为页面的副标题",
	SiteTitle: "此默认文章的内容为页面的主标题",
	SiteUrl: "此默认文章的内容须设定为文件发布时的完整网址",
	StyleSheetColours: "此默认文章内含的 CSS 规则，为相关的页面元素的配色",
	StyleSheet: "此默认文章内容可包含 CSS 规则",
	StyleSheetLayout: "此默认文章内含的 CSS 规则，为相关的页面元素的版面配置",
	StyleSheetLocale: "此默认文章内含的 CSS 规则，可依翻译语系做适当调整",
	StyleSheetPrint: "此默认文章内含的 CSS 规则，用于列印时的样式",
	TabAll: "此默认文章的内容，为于萤幕右侧的“全部”页签的内容",
	TabMore: "此默认文章的内容，为于萤幕右侧的“更多”页签的内容",
	TabMoreMissing: "此默认文章的内容，为于萤幕右侧的“未完成”页签的内容",
	TabMoreOrphans: "此默认文章的内容，为于萤幕右侧的“未引用”页签的内容",
	TabMoreShadowed: "此默认文章的内容，为于萤幕右侧的“默认文章”页签的内容",
	TabTags: "此默认文章的内容，为于萤幕右侧的“分类”页签的内容",
	TabTimeline: "此默认文章的内容，为于萤幕右侧的“最近更新”页签的内容",
	ViewTemplate: "此默认文章里的 HTML template 决定文章显示的样子"
	});
//}}}
//--
//-- Main
//--

var params = null; // Command line parameters
var shadow = null; // TiddlyWiki storage
var store = null; // TiddlyWiki storage
var story = null; // Main story
var formatter = null; // Default formatters for the wikifier
config.parsers = {}; // Hashmap of alternative parsers for the wikifier
var anim = new Animator(); // Animation engine
var readOnly = false; // Whether we're in readonly mode
var highlightHack = null; // Embarrassing hack department...
var hadConfirmExit = false; // Don't warn more than once
var safeMode = false; // Disable all plugins and cookies
var installedPlugins = []; // Information filled in when plugins are executed
var startingUp = false; // Whether we're in the process of starting up
var pluginInfo,tiddler; // Used to pass information to plugins in loadPlugins()

// Whether to use the JavaSaver applet
var useJavaSaver = config.browser.isSafari || config.browser.isOpera;

// Starting up
function main()
{
	var t9,t8,t7,t6,t5,t4,t3,t2,t1,t0 = new Date();
	startingUp = true;
	window.onbeforeunload = function(e) {if(window.confirmExit) return confirmExit();};
	params = getParameters();
	if(params)
		params = params.parseParams("open",null,false);
	store = new TiddlyWiki();
	shadows = new TiddlyWiki();
	invokeParamifier(params,"oninit");
	story = new Story("tiddlerDisplay","tiddler");
	addEvent(document,"click",Popup.onDocumentClick);
	saveTest();
	loadOptionsCookie();
	for(var s=0; s<config.notifyTiddlers.length; s++)
		store.addNotification(config.notifyTiddlers[s].name,config.notifyTiddlers[s].notify);
	t1 = new Date();
	store.loadFromDiv("storeArea","store",true);
	t2 = new Date();
	loadShadowTiddlers();
	t3 = new Date();
	invokeParamifier(params,"onload");
	t4 = new Date();
	readOnly = (window.location.protocol == "file:") ? false : config.options.chkHttpReadOnly;
	var pluginProblem = loadPlugins();
	t5 = new Date();
	formatter = new Formatter(config.formatters);
	invokeParamifier(params,"onconfig");

	t6 = new Date();
	store.notifyAll();
	t7 = new Date();
	restart();
	t8 = new Date();
	if(pluginProblem) {
		story.displayTiddler(null,"PluginManager");
		displayMessage(config.messages.customConfigError);
	}
	for(var m in config.macros) {
		if(config.macros[m].init)
			config.macros[m].init();
	}
	if(!readOnly)
		backstage.init();
	t9 = new Date();
	if(config.options.chkDisplayStartupTime) { 
		displayMessage("Load in " + (t2-t1) + " ms");
		displayMessage("Loadshadows in " + (t3-t2) + " ms");
		displayMessage("Loadplugins in " + (t5-t4) + " ms");
		displayMessage("Notify in " + (t7-t6) + " ms");
		displayMessage("Restart in " + (t8-t7) + " ms");
		displayMessage("Total startup in " + (t9-t0) + " ms");
	}
	startingUp = false;
}

// Restarting
function restart()
{
	invokeParamifier(params,"onstart");
	if(story.isEmpty()) {
		var defaultParams = store.getTiddlerText("DefaultTiddlers").parseParams("open",null,false);
		invokeParamifier(defaultParams,"onstart");
	}
	window.scrollTo(0,0);
}

function saveTest()
{
	var s = document.getElementById("saveTest");
	if(s.hasChildNodes())
		alert(config.messages.savedSnapshotError);
	s.appendChild(document.createTextNode("savetest"));
}

function loadShadowTiddlers()
{
	shadows.loadFromDiv("shadowArea","shadows",true);
	shadows.forEachTiddler(function(title,tiddler){config.shadowTiddlers[title] = tiddler.text;});
}

function loadPlugins()
{
	if(safeMode)
		return false;
	var tiddlers = store.getTaggedTiddlers("systemConfig");
	var toLoad = [];
	var nLoaded = 0;
	var map = {};
	var nPlugins = tiddlers.length;
	installedPlugins = [];
	for(var i=0; i<nPlugins; i++) {
		var p = getPluginInfo(tiddlers[i]);
		installedPlugins[i] = p;
		var n = p.Name;
		if(n) 
			map[n] = p;
		if(n = p.Source) 
			map[n] = p;
	}
	var visit = function(p) {
		if(!p || p.done)
			return;
		p.done = 1;
		var reqs = p.Requires;
		if(reqs) {
			reqs = reqs.readBracketedList();
			for(var i=0; i<reqs.length; i++)
				visit(map[reqs[i]]);
		}
		toLoad.push(p);
	};
	for(i=0; i<nPlugins; i++) 
		visit(installedPlugins[i]);		
	for(i=0; i<toLoad.length; i++) {
		p = toLoad[i];
		pluginInfo = p;
		tiddler = p.tiddler;
		if(isPluginExecutable(p)) {
			if(isPluginEnabled(p)) {
				p.executed = true;
				var startTime = new Date();
				try {
					if(tiddler.text)
						window.eval(tiddler.text);
					nLoaded++;
				} catch(ex) {
					p.log.push(config.messages.pluginError.format([exceptionText(ex)]));
					p.error = true;
				}
				pluginInfo.startupTime = String((new Date()) - startTime) + "ms"; 
			} else {
				nPlugins--;
			}
		} else {
			p.warning = true;
		}
	}
	return nLoaded != nPlugins;
}

function getPluginInfo(tiddler)
{
	var p = store.getTiddlerSlices(tiddler.title,["Name","Description","Version","Requires","CoreVersion","Date","Source","Author","License","Browsers"]);
	p.tiddler = tiddler;
	p.title = tiddler.title;
	p.log = [];
	return p;
}

// Check that a particular plugin is valid for execution
function isPluginExecutable(plugin)
{
	if(plugin.tiddler.isTagged("systemConfigForce"))
		return verifyTail(plugin,true,config.messages.pluginForced);
	if(plugin["CoreVersion"]) {
		var coreVersion = plugin["CoreVersion"].split(".");
		var w = parseInt(coreVersion[0]) - version.major;
		if(w == 0 && coreVersion[1])
			w = parseInt(coreVersion[1]) - version.minor;
		if(w == 0 && coreVersion[2])
		 	w = parseInt(coreVersion[2]) - version.revision;
		if(w > 0)
			return verifyTail(plugin,false,config.messages.pluginVersionError);
		}
	return true;
}

function isPluginEnabled(plugin)
{
	if(plugin.tiddler.isTagged("systemConfigDisable"))
		return verifyTail(plugin,false,config.messages.pluginDisabled);
	return true;
}

function verifyTail(plugin,result,message)
{
	plugin.log.push(message);
	return result;
}

function invokeMacro(place,macro,params,wikifier,tiddler)
{
	try {
		var m = config.macros[macro];
		if(m && m.handler)
			m.handler(place,macro,params.readMacroParams(),wikifier,params,tiddler);
		else
			createTiddlyError(place,config.messages.macroError.format([macro]),config.messages.macroErrorDetails.format([macro,config.messages.missingMacro]));
	} catch(ex) {
		createTiddlyError(place,config.messages.macroError.format([macro]),config.messages.macroErrorDetails.format([macro,ex.toString()]));
	}
}

//--
//-- Paramifiers
//--

function getParameters()
{
	var p = null;
	if(window.location.hash) {
		p = decodeURI(window.location.hash.substr(1));
		if(config.browser.firefoxDate != null && config.browser.firefoxDate[1] < "20051111")
			p = convertUTF8ToUnicode(p);
	}
	return p;
}

function invokeParamifier(params,handler)
{
	if(!params || params.length == undefined || params.length <= 1)
		return;
	for(var t=1; t<params.length; t++) {
		var p = config.paramifiers[params[t].name];
		if(p && p[handler] instanceof Function)
			p[handler](params[t].value);
	}
}

config.paramifiers = {};

config.paramifiers.start = {
	oninit: function(v) {
		safeMode = v.toLowerCase() == "safe";
	}
};

config.paramifiers.open = {
	onstart: function(v) {
		story.displayTiddler("bottom",v,null,false,null);
	}
};

config.paramifiers.story = {
	onstart: function(v) {
		var list = store.getTiddlerText(v,"").parseParams("open",null,false);
		invokeParamifier(list,"onstart");
	}
};

config.paramifiers.search = {
	onstart: function(v) {
		story.search(v,false,false);
	}
};

config.paramifiers.searchRegExp = {
	onstart: function(v) {
		story.prototype.search(v,false,true);
	}
};

config.paramifiers.tag = {
	onstart: function(v) {
		var tagged = store.getTaggedTiddlers(v,"title");
		for(var t=0; t<tagged.length; t++)
			story.displayTiddler("bottom",tagged[t].title,null,false,null);
	}
};

config.paramifiers.newTiddler = {
	onstart: function(v) {
		if(!readOnly) {
			story.displayTiddler(null,v,DEFAULT_EDIT_TEMPLATE);
			story.focusTiddler(v,"text");
		}
	}
};

config.paramifiers.newJournal = {
	onstart: function(v) {
		if(!readOnly) {
			var now = new Date();
			var title = now.formatString(v.trim());
			story.displayTiddler(null,title,DEFAULT_EDIT_TEMPLATE);
			story.focusTiddler(title,"text");
		}
	}
};

config.paramifiers.readOnly = {
	onconfig: function(v) {
		var p = v.toLowerCase();
		readOnly = p == "yes" ? true : (p == "no" ? false : readOnly);
	}
};

//--
//-- Formatter helpers
//--

function Formatter(formatters)
{
	this.formatters = [];
	var pattern = [];
	for(var n=0; n<formatters.length; n++) {
		pattern.push("(" + formatters[n].match + ")");
		this.formatters.push(formatters[n]);
	}
	this.formatterRegExp = new RegExp(pattern.join("|"),"mg");
}

config.formatterHelpers = {

	createElementAndWikify: function(w)
	{
		w.subWikifyTerm(createTiddlyElement(w.output,this.element),this.termRegExp);
	},
	
	inlineCssHelper: function(w)
	{
		var styles = [];
		config.textPrimitives.cssLookaheadRegExp.lastIndex = w.nextMatch;
		var lookaheadMatch = config.textPrimitives.cssLookaheadRegExp.exec(w.source);
		while(lookaheadMatch && lookaheadMatch.index == w.nextMatch) {
			var s,v;
			if(lookaheadMatch[1]) {
				s = lookaheadMatch[1].unDash();
				v = lookaheadMatch[2];
			} else {
				s = lookaheadMatch[3].unDash();
				v = lookaheadMatch[4];
			}
			if (s=="bgcolor")
				s = "backgroundColor";
			styles.push({style: s, value: v});
			w.nextMatch = lookaheadMatch.index + lookaheadMatch[0].length;
			config.textPrimitives.cssLookaheadRegExp.lastIndex = w.nextMatch;
			lookaheadMatch = config.textPrimitives.cssLookaheadRegExp.exec(w.source);
		}
		return styles;
	},

	applyCssHelper: function(e,styles)
	{
		for(var t=0; t< styles.length; t++) {
			try {
				e.style[styles[t].style] = styles[t].value;
			} catch (ex) {
			}
		}
	},

	enclosedTextHelper: function(w)
	{
		this.lookaheadRegExp.lastIndex = w.matchStart;
		var lookaheadMatch = this.lookaheadRegExp.exec(w.source);
		if(lookaheadMatch && lookaheadMatch.index == w.matchStart) {
			var text = lookaheadMatch[1];
			if(config.browser.isIE)
				text = text.replace(/\n/g,"\r");
			createTiddlyElement(w.output,this.element,null,null,text);
			w.nextMatch = lookaheadMatch.index + lookaheadMatch[0].length;
		}
	},

	isExternalLink: function(link)
	{
		if(store.tiddlerExists(link) || store.isShadowTiddler(link)) {
			return false;
		}
		var urlRegExp = new RegExp(config.textPrimitives.urlPattern,"mg");
		if(urlRegExp.exec(link)) {
			return true;
		}
		if (link.indexOf(".")!=-1 || link.indexOf("\\")!=-1 || link.indexOf("/")!=-1){
			return true;
		}
		return false;
	}

};

//--
//-- Standard formatters
//--

config.formatters = [
{
	name: "table",
	match: "^\\|(?:[^\\n]*)\\|(?:[fhck]?)$",
	lookaheadRegExp: /^\|([^\n]*)\|([fhck]?)$/mg,
	rowTermRegExp: /(\|(?:[fhck]?)$\n?)/mg,
	cellRegExp: /(?:\|([^\n\|]*)\|)|(\|[fhck]?$\n?)/mg,
	cellTermRegExp: /((?:\x20*)\|)/mg,
	rowTypes: {"c":"caption", "h":"thead", "":"tbody", "f":"tfoot"},

	handler: function(w)
	{
		var table = createTiddlyElement(w.output,"table",null,"twtable");
		var prevColumns = [];
		var currRowType = null;
		var rowContainer;
		var rowCount = 0;
		w.nextMatch = w.matchStart;
		this.lookaheadRegExp.lastIndex = w.nextMatch;
		var lookaheadMatch = this.lookaheadRegExp.exec(w.source);
		while(lookaheadMatch && lookaheadMatch.index == w.nextMatch) {
			var nextRowType = lookaheadMatch[2];
			if(nextRowType == "k") {
				table.className = lookaheadMatch[1];
				w.nextMatch += lookaheadMatch[0].length+1;
			} else {
				if(nextRowType != currRowType) {
					rowContainer = createTiddlyElement(table,this.rowTypes[nextRowType]);
					currRowType = nextRowType;
				}
				if(currRowType == "c") {
					// Caption
					w.nextMatch++;
					if(rowContainer != table.firstChild)
						table.insertBefore(rowContainer,table.firstChild);
					rowContainer.setAttribute("align",rowCount == 0?"top":"bottom");
					w.subWikifyTerm(rowContainer,this.rowTermRegExp);
				} else {
					this.rowHandler(w,createTiddlyElement(rowContainer,"tr",null,(rowCount&1)?"oddRow":"evenRow"),prevColumns);
					rowCount++;
				}
			}
			this.lookaheadRegExp.lastIndex = w.nextMatch;
			lookaheadMatch = this.lookaheadRegExp.exec(w.source);
		}
	},
	rowHandler: function(w,e,prevColumns)
	{
		var col = 0;
		var colSpanCount = 1;
		var prevCell = null;
		this.cellRegExp.lastIndex = w.nextMatch;
		var cellMatch = this.cellRegExp.exec(w.source);
		while(cellMatch && cellMatch.index == w.nextMatch) {
			if(cellMatch[1] == "~") {
				// Rowspan
				var last = prevColumns[col];
				if(last) {
					last.rowSpanCount++;
					last.element.setAttribute("rowspan",last.rowSpanCount);
					last.element.setAttribute("rowSpan",last.rowSpanCount); // Needed for IE
					last.element.valign = "center";
				}
				w.nextMatch = this.cellRegExp.lastIndex-1;
			} else if(cellMatch[1] == ">") {
				// Colspan
				colSpanCount++;
				w.nextMatch = this.cellRegExp.lastIndex-1;
			} else if(cellMatch[2]) {
				// End of row
				if(prevCell && colSpanCount > 1) {
					prevCell.setAttribute("colspan",colSpanCount);
					prevCell.setAttribute("colSpan",colSpanCount); // Needed for IE
				}
				w.nextMatch = this.cellRegExp.lastIndex;
				break;
			} else {
				// Cell
				w.nextMatch++;
				var styles = config.formatterHelpers.inlineCssHelper(w);
				var spaceLeft = false;
				var chr = w.source.substr(w.nextMatch,1);
				while(chr == " ") {
					spaceLeft = true;
					w.nextMatch++;
					chr = w.source.substr(w.nextMatch,1);
				}
				var cell;
				if(chr == "!") {
					cell = createTiddlyElement(e,"th");
					w.nextMatch++;
				} else {
					cell = createTiddlyElement(e,"td");
				}
				prevCell = cell;
				prevColumns[col] = {rowSpanCount:1,element:cell};
				if(colSpanCount > 1) {
					cell.setAttribute("colspan",colSpanCount);
					cell.setAttribute("colSpan",colSpanCount); // Needed for IE
					colSpanCount = 1;
				}
				config.formatterHelpers.applyCssHelper(cell,styles);
				w.subWikifyTerm(cell,this.cellTermRegExp);
				if(w.matchText.substr(w.matchText.length-2,1) == " ") // spaceRight
					cell.align = spaceLeft ? "center" : "left";
				else if(spaceLeft)
					cell.align = "right";
				w.nextMatch--;
			}
			col++;
			this.cellRegExp.lastIndex = w.nextMatch;
			cellMatch = this.cellRegExp.exec(w.source);
		}
	}
},

{
	name: "heading",
	match: "^!{1,6}",
	termRegExp: /(\n)/mg,
	handler: function(w)
	{
		w.subWikifyTerm(createTiddlyElement(w.output,"h" + w.matchLength),this.termRegExp);
	}
},

{
	name: "list",
	match: "^(?:[\\*#;:]+)",
	lookaheadRegExp: /^(?:(?:(\*)|(#)|(;)|(:))+)/mg,
	termRegExp: /(\n)/mg,
	handler: function(w)
	{
		var stack = [w.output];
		var currLevel = 0, currType = null;
		var listLevel, listType, itemType;
		w.nextMatch = w.matchStart;
		this.lookaheadRegExp.lastIndex = w.nextMatch;
		var lookaheadMatch = this.lookaheadRegExp.exec(w.source);
		while(lookaheadMatch && lookaheadMatch.index == w.nextMatch) {
			if(lookaheadMatch[1]) {
				listType = "ul";
				itemType = "li";
			} else if(lookaheadMatch[2]) {
				listType = "ol";
				itemType = "li";
			} else if(lookaheadMatch[3]) {
				listType = "dl";
				itemType = "dt";
			} else if(lookaheadMatch[4]) {
				listType = "dl";
				itemType = "dd";
			}
			listLevel = lookaheadMatch[0].length;
			w.nextMatch += lookaheadMatch[0].length;
			var t;
			if(listLevel > currLevel) {
				for(t=currLevel; t<listLevel; t++) {
					var target = (currLevel == 0) ? stack[stack.length-1] : stack[stack.length-1].lastChild;
					stack.push(createTiddlyElement(target,listType));
				}
			} else if(listLevel < currLevel) {
				for(t=currLevel; t>listLevel; t--)
					stack.pop();
			} else if(listLevel == currLevel && listType != currType) {
				stack.pop();
				stack.push(createTiddlyElement(stack[stack.length-1].lastChild,listType));
			}
			currLevel = listLevel;
			currType = listType;
			var e = createTiddlyElement(stack[stack.length-1],itemType);
			w.subWikifyTerm(e,this.termRegExp);
			this.lookaheadRegExp.lastIndex = w.nextMatch;
			lookaheadMatch = this.lookaheadRegExp.exec(w.source);
		}
	}
},

{
	name: "quoteByBlock",
	match: "^<<<\\n",
	termRegExp: /(^<<<(\n|$))/mg,
	element: "blockquote",
	handler: config.formatterHelpers.createElementAndWikify
},

{
	name: "quoteByLine",
	match: "^>+",
	lookaheadRegExp: /^>+/mg,
	termRegExp: /(\n)/mg,
	element: "blockquote",
	handler: function(w)
	{
		var stack = [w.output];
		var currLevel = 0;
		var newLevel = w.matchLength;
		var t;
		do {
			if(newLevel > currLevel) {
				for(t=currLevel; t<newLevel; t++)
					stack.push(createTiddlyElement(stack[stack.length-1],this.element));
			} else if(newLevel < currLevel) {
				for(t=currLevel; t>newLevel; t--)
					stack.pop();
			}
			currLevel = newLevel;
			w.subWikifyTerm(stack[stack.length-1],this.termRegExp);
			createTiddlyElement(stack[stack.length-1],"br");
			this.lookaheadRegExp.lastIndex = w.nextMatch;
			var lookaheadMatch = this.lookaheadRegExp.exec(w.source);
			var matched = lookaheadMatch && lookaheadMatch.index == w.nextMatch;
			if(matched) {
				newLevel = lookaheadMatch[0].length;
				w.nextMatch += lookaheadMatch[0].length;
			}
		} while(matched);
	}
},

{
	name: "rule",
	match: "^----+$\\n?",
	handler: function(w)
	{
		createTiddlyElement(w.output,"hr");
	}
},

{
	name: "monospacedByLine",
	match: "^\\{\\{\\{\\n",
	lookaheadRegExp: /^\{\{\{\n((?:^[^\n]*\n)+?)(^\}\}\}$\n?)/mg,
	element: "pre",
	handler: config.formatterHelpers.enclosedTextHelper
},

{
	name: "monospacedByLineForCSS",
	match: "^/\\*\\{\\{\\{\\*/\\n",
	lookaheadRegExp: /\/\*\{\{\{\*\/\n*((?:^[^\n]*\n)+?)(\n*^\/\*\}\}\}\*\/$\n?)/mg,
	element: "pre",
	handler: config.formatterHelpers.enclosedTextHelper
},

{
	name: "monospacedByLineForPlugin",
	match: "^//\\{\\{\\{\\n",
	lookaheadRegExp: /^\/\/\{\{\{\n\n*((?:^[^\n]*\n)+?)(\n*^\/\/\}\}\}$\n?)/mg,
	element: "pre",
	handler: config.formatterHelpers.enclosedTextHelper
},

{
	name: "monospacedByLineForTemplate",
	match: "^<!--\\{\\{\\{-->\\n",
	lookaheadRegExp: /<!--\{\{\{-->\n*((?:^[^\n]*\n)+?)(\n*^<!--\}\}\}-->$\n?)/mg,
	element: "pre",
	handler: config.formatterHelpers.enclosedTextHelper
},

{
	name: "wikifyCommentForPlugin",
	match: "^/\\*\\*\\*\\n",
	termRegExp: /(^\*\*\*\/\n)/mg,
	handler: function(w)
	{
		w.subWikifyTerm(w.output,this.termRegExp);
	}
},

{
	name: "wikifyCommentForTemplate",
	match: "^<!---\\n",
	termRegExp: /(^--->\n)/mg,
	handler: function(w) 
	{
		w.subWikifyTerm(w.output,this.termRegExp);
	}
},

{
	name: "macro",
	match: "<<",
	lookaheadRegExp: /<<([^>\s]+)(?:\s*)((?:[^>]|(?:>(?!>)))*)>>/mg,
	handler: function(w)
	{
		this.lookaheadRegExp.lastIndex = w.matchStart;
		var lookaheadMatch = this.lookaheadRegExp.exec(w.source);
		if(lookaheadMatch && lookaheadMatch.index == w.matchStart && lookaheadMatch[1]) {
			w.nextMatch = this.lookaheadRegExp.lastIndex;
			invokeMacro(w.output,lookaheadMatch[1],lookaheadMatch[2],w,w.tiddler);
		}
	}
},

{
	name: "prettyLink",
	match: "\\[\\[",
	lookaheadRegExp: /\[\[(.*?)(?:\|(~)?(.*?))?\]\]/mg,
	handler: function(w)
	{
		this.lookaheadRegExp.lastIndex = w.matchStart;
		var lookaheadMatch = this.lookaheadRegExp.exec(w.source);
		if(lookaheadMatch && lookaheadMatch.index == w.matchStart) {
			var e;
			var text = lookaheadMatch[1];
			if(lookaheadMatch[3]) {
				// Pretty bracketted link
				var link = lookaheadMatch[3];
				e = (!lookaheadMatch[2] && config.formatterHelpers.isExternalLink(link)) ?
						createExternalLink(w.output,link) : createTiddlyLink(w.output,link,false,null,w.isStatic,w.tiddler);
			} else {
				// Simple bracketted link
				e = createTiddlyLink(w.output,text,false,null,w.isStatic,w.tiddler);
			}
			createTiddlyText(e,text);
			w.nextMatch = this.lookaheadRegExp.lastIndex;
		}
	}
},

{
	name: "unWikiLink",
	match: config.textPrimitives.unWikiLink+config.textPrimitives.wikiLink,
	handler: function(w)
	{
		w.outputText(w.output,w.matchStart+1,w.nextMatch);
	}
},

{
	name: "wikiLink",
	match: config.textPrimitives.wikiLink,
	handler: function(w)
	{
		if(w.matchStart > 0) {
			var preRegExp = new RegExp(config.textPrimitives.anyLetterStrict,"mg");
			preRegExp.lastIndex = w.matchStart-1;
			var preMatch = preRegExp.exec(w.source);
			if(preMatch.index == w.matchStart-1) {
				w.outputText(w.output,w.matchStart,w.nextMatch);
				return;
			}
		}
		if(w.autoLinkWikiWords == true || store.isShadowTiddler(w.matchText)) {
			var link = createTiddlyLink(w.output,w.matchText,false,null,w.isStatic,w.tiddler);
			w.outputText(link,w.matchStart,w.nextMatch);
		} else {
			w.outputText(w.output,w.matchStart,w.nextMatch);
		}
	}
},

{
	name: "urlLink",
	match: config.textPrimitives.urlPattern,
	handler: function(w)
	{
		w.outputText(createExternalLink(w.output,w.matchText),w.matchStart,w.nextMatch);
	}
},

{
	name: "image",
	match: "\\[[<>]?[Ii][Mm][Gg]\\[",
	lookaheadRegExp: /\[([<]?)(>?)[Ii][Mm][Gg]\[(?:([^\|\]]+)\|)?([^\[\]\|]+)\](?:\[([^\]]*)\])?\]/mg,
	handler: function(w)
	{
		this.lookaheadRegExp.lastIndex = w.matchStart;
		var lookaheadMatch = this.lookaheadRegExp.exec(w.source);
		if(lookaheadMatch && lookaheadMatch.index == w.matchStart) {
			var e = w.output;
			if(lookaheadMatch[5]) {
				var link = lookaheadMatch[5];
				e = config.formatterHelpers.isExternalLink(link) ? createExternalLink(w.output,link) : createTiddlyLink(w.output,link,false,null,w.isStatic,w.tiddler);
				addClass(e,"imageLink");
			}
			var img = createTiddlyElement(e,"img");
			if(lookaheadMatch[1])
				img.align = "left";
			else if(lookaheadMatch[2])
				img.align = "right";
			if(lookaheadMatch[3])
				img.title = lookaheadMatch[3];
			img.src = lookaheadMatch[4];
			w.nextMatch = this.lookaheadRegExp.lastIndex;
		}
	}
},

{
	name: "html",
	match: "<[Hh][Tt][Mm][Ll]>",
	lookaheadRegExp: /<[Hh][Tt][Mm][Ll]>((?:.|\n)*?)<\/[Hh][Tt][Mm][Ll]>/mg,
	handler: function(w)
	{
		this.lookaheadRegExp.lastIndex = w.matchStart;
		var lookaheadMatch = this.lookaheadRegExp.exec(w.source);
		if(lookaheadMatch && lookaheadMatch.index == w.matchStart) {
			createTiddlyElement(w.output,"span").innerHTML = lookaheadMatch[1];
			w.nextMatch = this.lookaheadRegExp.lastIndex;
		}
	}
},

{
	name: "commentByBlock",
	match: "/%",
	lookaheadRegExp: /\/%((?:.|\n)*?)%\//mg,
	handler: function(w)
	{
		this.lookaheadRegExp.lastIndex = w.matchStart;
		var lookaheadMatch = this.lookaheadRegExp.exec(w.source);
		if(lookaheadMatch && lookaheadMatch.index == w.matchStart)
			w.nextMatch = this.lookaheadRegExp.lastIndex;
	}
},

{
	name: "boldByChar",
	match: "''",
	termRegExp: /('')/mg,
	element: "strong",
	handler: config.formatterHelpers.createElementAndWikify
},

{
	name: "italicByChar",
	match: "//",
	termRegExp: /(\/\/)/mg,
	element: "em",
	handler: config.formatterHelpers.createElementAndWikify
},

{
	name: "underlineByChar",
	match: "__",
	termRegExp: /(__)/mg,
	element: "u",
	handler: config.formatterHelpers.createElementAndWikify
},

{
	name: "strikeByChar",
	match: "--(?!\\s|$)",
	termRegExp: /((?!\s)--|(?=\n\n))/mg,
	element: "strike",
	handler: config.formatterHelpers.createElementAndWikify
},

{
	name: "superscriptByChar",
	match: "\\^\\^",
	termRegExp: /(\^\^)/mg,
	element: "sup",
	handler: config.formatterHelpers.createElementAndWikify
},

{
	name: "subscriptByChar",
	match: "~~",
	termRegExp: /(~~)/mg,
	element: "sub",
	handler: config.formatterHelpers.createElementAndWikify
},

{
	name: "monospacedByChar",
	match: "\\{\\{\\{",
	lookaheadRegExp: /\{\{\{((?:.|\n)*?)\}\}\}/mg,
	handler: function(w)
	{
		this.lookaheadRegExp.lastIndex = w.matchStart;
		var lookaheadMatch = this.lookaheadRegExp.exec(w.source);
		if(lookaheadMatch && lookaheadMatch.index == w.matchStart) {
			createTiddlyElement(w.output,"code",null,null,lookaheadMatch[1]);
			w.nextMatch = this.lookaheadRegExp.lastIndex;
		}
	}
},

{
	name: "styleByChar",
	match: "@@",
	termRegExp: /(@@)/mg,
	handler: function(w)
	{
		var e = createTiddlyElement(w.output,"span");
		var styles = config.formatterHelpers.inlineCssHelper(w);
		if(styles.length == 0)
			e.className = "marked";
		else
			config.formatterHelpers.applyCssHelper(e,styles);
		w.subWikifyTerm(e,this.termRegExp);
	}
},

{
	name: "lineBreak",
	match: "\\n|<br ?/?>",
	handler: function(w)
	{
		createTiddlyElement(w.output,"br");
	}
},

{
	name: "rawText",
	match: "\\\"{3}|<nowiki>",
	lookaheadRegExp: /(?:\"{3}|<nowiki>)((?:.|\n)*?)(?:\"{3}|<\/nowiki>)/mg,
	handler: function(w)
	{
		this.lookaheadRegExp.lastIndex = w.matchStart;
		var lookaheadMatch = this.lookaheadRegExp.exec(w.source);
		if(lookaheadMatch && lookaheadMatch.index == w.matchStart) {
			createTiddlyElement(w.output,"span",null,null,lookaheadMatch[1]);
			w.nextMatch = this.lookaheadRegExp.lastIndex;
		}
	}
},

{
	name: "mdash",
	match: "--",
	handler: function(w)
	{
		createTiddlyElement(w.output,"span").innerHTML = "&mdash;";
	}
},

{
	name: "htmlEntitiesEncoding",
	match: "(?:(?:&#?[a-zA-Z0-9]{2,8};|.)(?:&#?(?:x0*(?:3[0-6][0-9a-fA-F]|1D[c-fC-F][0-9a-fA-F]|20[d-fD-F][0-9a-fA-F]|FE2[0-9a-fA-F])|0*(?:76[89]|7[7-9][0-9]|8[0-7][0-9]|761[6-9]|76[2-7][0-9]|84[0-3][0-9]|844[0-7]|6505[6-9]|6506[0-9]|6507[0-1]));)+|&#?[a-zA-Z0-9]{2,8};)",
	handler: function(w)
	{
		createTiddlyElement(w.output,"span").innerHTML = w.matchText;
	}
},

{
	name: "customClasses",
	match: "\\{\\{",
	termRegExp: /(\}\}\})/mg,
	lookaheadRegExp: /\{\{[\s]*([\w]+[\s\w]*)[\s]*\{(\n?)/mg,
	handler: function(w)
	{
		this.lookaheadRegExp.lastIndex = w.matchStart;
		var lookaheadMatch = this.lookaheadRegExp.exec(w.source);
		if(lookaheadMatch) {
			var e = createTiddlyElement(w.output,lookaheadMatch[2] == "\n" ? "div" : "span",null,lookaheadMatch[1]);
			w.nextMatch = this.lookaheadRegExp.lastIndex;
			w.subWikifyTerm(e,this.termRegExp);
		}
	}
}

];

//--
//-- Wikifier
//--

function getParser(tiddler,format)
{
	if(tiddler) {
		if(!format)
			format = tiddler.fields["wikiformat"];
		if(format) {
			for(var i in config.parsers) {
				if(format == config.parsers[i].format)
					return config.parsers[i];
			}
		} else {
			for(var i in config.parsers) {
				if(tiddler.isTagged(config.parsers[i].formatTag))
					return config.parsers[i];
			}
		}
	}
	return formatter;
}

function wikify(source,output,highlightRegExp,tiddler)
{
	if(source && source != "") {
		var wikifier = new Wikifier(source,getParser(tiddler),highlightRegExp,tiddler);
		wikifier.subWikifyUnterm(output);
	}
}

function wikifyStatic(source,highlightRegExp,tiddler,format)
{
	var e = createTiddlyElement(document.body,"div");
	e.style.display = "none";
	var html = "";
	if(source && source != "") {
		var wikifier = new Wikifier(source,getParser(tiddler,format),highlightRegExp,tiddler);
		wikifier.isStatic = true;
		wikifier.subWikifyUnterm(e);
		html = e.innerHTML;
		removeNode(e);
	}
	return html;
}

function wikifyPlain(title,theStore,limit)
{
	if(!theStore)
		theStore = store;
	if(theStore.tiddlerExists(title) || theStore.isShadowTiddler(title)) {
		return wikifyPlainText(theStore.getTiddlerText(title),limit,tiddler);
	} else {
		return "";
	}
}

function wikifyPlainText(text,limit,tiddler)
{
	if(limit > 0)
		text = text.substr(0,limit);
	var wikifier = new Wikifier(text,formatter,null,tiddler);
	return wikifier.wikifyPlain();
}

function highlightify(source,output,highlightRegExp,tiddler)
{
	if(source && source != "") {
		var wikifier = new Wikifier(source,formatter,highlightRegExp,tiddler);
		wikifier.outputText(output,0,source.length);
	}
}

function Wikifier(source,formatter,highlightRegExp,tiddler)
{
	this.source = source;
	this.output = null;
	this.formatter = formatter;
	this.nextMatch = 0;
	this.autoLinkWikiWords = tiddler && tiddler.autoLinkWikiWords() == false ? false : true;
	this.highlightRegExp = highlightRegExp;
	this.highlightMatch = null;
	this.isStatic = false;
	if(highlightRegExp) {
		highlightRegExp.lastIndex = 0;
		this.highlightMatch = highlightRegExp.exec(source);
	}
	this.tiddler = tiddler;
}

Wikifier.prototype.wikifyPlain = function()
{
	var e = createTiddlyElement(document.body,"div");
	this.subWikify(e);
	var text = getPlainText(e);
	removeNode(e);
	return text;
};

Wikifier.prototype.subWikify = function(output,terminator)
{
	if(terminator)
		this.subWikifyTerm(output,new RegExp("(" + terminator + ")","mg"));
	else
		this.subWikifyUnterm(output);
};

Wikifier.prototype.subWikifyUnterm = function(output)
{
	// subWikify() can be indirectly recursive, so we need to save the old output pointer
	var oldOutput = this.output;
	this.output = output;
	this.formatter.formatterRegExp.lastIndex = this.nextMatch;
	var formatterMatch = this.formatter.formatterRegExp.exec(this.source);
	while(formatterMatch) {
		// Output any text before the match
		if(formatterMatch.index > this.nextMatch)
			this.outputText(this.output,this.nextMatch,formatterMatch.index);
		// Set the match parameters for the handler
		this.matchStart = formatterMatch.index;
		this.matchLength = formatterMatch[0].length;
		this.matchText = formatterMatch[0];
		this.nextMatch = this.formatter.formatterRegExp.lastIndex;
		for(var t=1; t<formatterMatch.length; t++) {
			if(formatterMatch[t]) {
				this.formatter.formatters[t-1].handler(this);
				this.formatter.formatterRegExp.lastIndex = this.nextMatch;
				break;
			}
		}
		formatterMatch = this.formatter.formatterRegExp.exec(this.source);
	}
	if(this.nextMatch < this.source.length) {
		this.outputText(this.output,this.nextMatch,this.source.length);
		this.nextMatch = this.source.length;
	}
	this.output = oldOutput;
};

Wikifier.prototype.subWikifyTerm = function(output,terminatorRegExp)
{
	// subWikify() can be indirectly recursive, so we need to save the old output pointer
	var oldOutput = this.output;
	this.output = output;
	// Get the first matches for the formatter and terminator RegExps
	terminatorRegExp.lastIndex = this.nextMatch;
	var terminatorMatch = terminatorRegExp.exec(this.source);
	this.formatter.formatterRegExp.lastIndex = this.nextMatch;
	var formatterMatch = this.formatter.formatterRegExp.exec(terminatorMatch ? this.source.substr(0,terminatorMatch.index) : this.source);
	while(terminatorMatch || formatterMatch) {
		if(terminatorMatch && (!formatterMatch || terminatorMatch.index <= formatterMatch.index)) {
			if(terminatorMatch.index > this.nextMatch)
				this.outputText(this.output,this.nextMatch,terminatorMatch.index);
			this.matchText = terminatorMatch[1];
			this.matchLength = terminatorMatch[1].length;
			this.matchStart = terminatorMatch.index;
			this.nextMatch = this.matchStart + this.matchLength;
			this.output = oldOutput;
			return;
		}
		if(formatterMatch.index > this.nextMatch)
			this.outputText(this.output,this.nextMatch,formatterMatch.index);
		this.matchStart = formatterMatch.index;
		this.matchLength = formatterMatch[0].length;
		this.matchText = formatterMatch[0];
		this.nextMatch = this.formatter.formatterRegExp.lastIndex;
		for(var t=1; t<formatterMatch.length; t++) {
			if(formatterMatch[t]) {
				this.formatter.formatters[t-1].handler(this);
				this.formatter.formatterRegExp.lastIndex = this.nextMatch;
				break;
			}
		}
		terminatorRegExp.lastIndex = this.nextMatch;
		terminatorMatch = terminatorRegExp.exec(this.source);
		formatterMatch = this.formatter.formatterRegExp.exec(terminatorMatch ? this.source.substr(0,terminatorMatch.index) : this.source);
	}
	if(this.nextMatch < this.source.length) {
		this.outputText(this.output,this.nextMatch,this.source.length);
		this.nextMatch = this.source.length;
	}
	this.output = oldOutput;
};

Wikifier.prototype.outputText = function(place,startPos,endPos)
{
	while(this.highlightMatch && (this.highlightRegExp.lastIndex > startPos) && (this.highlightMatch.index < endPos) && (startPos < endPos)) {
		if(this.highlightMatch.index > startPos) {
			createTiddlyText(place,this.source.substring(startPos,this.highlightMatch.index));
			startPos = this.highlightMatch.index;
		}
		var highlightEnd = Math.min(this.highlightRegExp.lastIndex,endPos);
		var theHighlight = createTiddlyElement(place,"span",null,"highlight",this.source.substring(startPos,highlightEnd));
		startPos = highlightEnd;
		if(startPos >= this.highlightRegExp.lastIndex)
			this.highlightMatch = this.highlightRegExp.exec(this.source);
	}
	if(startPos < endPos) {
		createTiddlyText(place,this.source.substring(startPos,endPos));
	}
};

//--
//-- Macro definitions
//--

config.macros.today.handler = function(place,macroName,params)
{
	var now = new Date();
	var text;
	if(params[0])
		text = now.formatString(params[0].trim());
	else
		text = now.toLocaleString();
	createTiddlyElement(place,"span",null,null,text);
};

config.macros.version.handler = function(place)
{
	createTiddlyElement(place,"span",null,null,version.major + "." + version.minor + "." + version.revision + (version.beta ? " (beta " + version.beta + ")" : ""));
};

config.macros.list.handler = function(place,macroName,params)
{
	var type = params[0] ? params[0] : "all";
	var list = document.createElement("ul");
	place.appendChild(list);
	if(this[type].prompt)
		createTiddlyElement(list,"li",null,"listTitle",this[type].prompt);
	var results;
	if(this[type].handler)
		results = this[type].handler(params);
	for(var t = 0; t < results.length; t++) {
		var li = document.createElement("li");
		list.appendChild(li);
		createTiddlyLink(li,typeof results[t] == "string" ? results[t] : results[t].title,true);
	}
};

config.macros.list.all.handler = function(params)
{
	return store.reverseLookup("tags","excludeLists",false,"title");
};

config.macros.list.missing.handler = function(params)
{
	return store.getMissingLinks();
};

config.macros.list.orphans.handler = function(params)
{
	return store.getOrphans();
};

config.macros.list.shadowed.handler = function(params)
{
	return store.getShadowed();
};

config.macros.list.touched.handler = function(params)
{
	return store.getTouched();
};

config.macros.allTags.handler = function(place,macroName,params)
{
	var tags = store.getTags(params[0]);
	var ul = createTiddlyElement(place,"ul");
	if(tags.length == 0)
		createTiddlyElement(ul,"li",null,"listTitle",this.noTags);
	for(var t=0; t<tags.length; t++) {
		var title = tags[t][0];
		var info = getTiddlyLinkInfo(title);
		var li =createTiddlyElement(ul,"li");
		var btn = createTiddlyButton(li,title + " (" + tags[t][1] + ")",this.tooltip.format([title]),onClickTag,info.classes);
		btn.setAttribute("tag",title);
		btn.setAttribute("refresh","link");
		btn.setAttribute("tiddlyLink",title);
	}
};

config.macros.timeline.handler = function(place,macroName,params)
{
	var field = params[0] ? params[0] : "modified";
	var tiddlers = store.reverseLookup("tags","excludeLists",false,field);
	var lastDay = "";
	var last = params[1] ? tiddlers.length-Math.min(tiddlers.length,parseInt(params[1])) : 0;
	for(var t=tiddlers.length-1; t>=last; t--) {
		var tiddler = tiddlers[t];
		var theDay = tiddler[field].convertToLocalYYYYMMDDHHMM().substr(0,8);
		if(theDay != lastDay) {
			var theDateList = document.createElement("ul");
			place.appendChild(theDateList);
			createTiddlyElement(theDateList,"li",null,"listTitle",tiddler[field].formatString(this.dateFormat));
			lastDay = theDay;
		}
		var theDateListItem = createTiddlyElement(theDateList,"li",null,"listLink");
		theDateListItem.appendChild(createTiddlyLink(place,tiddler.title,true));
	}
};

config.macros.search.handler = function(place,macroName,params)
{
	var searchTimeout = null;
	var btn = createTiddlyButton(place,this.label,this.prompt,this.onClick);
	var txt = createTiddlyElement(place,"input",null,"txtOptionInput");
	if(params[0])
		txt.value = params[0];
	txt.onkeyup = this.onKeyPress;
	txt.onfocus = this.onFocus;
	txt.setAttribute("size",this.sizeTextbox);
	txt.setAttribute("accessKey",this.accessKey);
	txt.setAttribute("autocomplete","off");
	txt.setAttribute("lastSearchText","");
	if(config.browser.isSafari) {
		txt.setAttribute("type","search");
		txt.setAttribute("results","5");
	} else {
		txt.setAttribute("type","text");
	}
};

// Global because there's only ever one outstanding incremental search timer
config.macros.search.timeout = null;

config.macros.search.doSearch = function(txt)
{
	if(txt.value.length > 0) {
		story.search(txt.value,config.options.chkCaseSensitiveSearch,config.options.chkRegExpSearch);
		txt.setAttribute("lastSearchText",txt.value);
	}
};

config.macros.search.onClick = function(e)
{
	config.macros.search.doSearch(this.nextSibling);
	return false;
};

config.macros.search.onKeyPress = function(e)
{
	if(!e) var e = window.event;
	switch(e.keyCode) {
		case 13: // Ctrl-Enter
		case 10: // Ctrl-Enter on IE PC
			config.macros.search.doSearch(this);
			break;
		case 27: // Escape
			this.value = "";
			clearMessage();
			break;
	}
	if(this.value.length > 2) {
		if(this.value != this.getAttribute("lastSearchText")) {
			if(config.macros.search.timeout)
				clearTimeout(config.macros.search.timeout);
			var txt = this;
			config.macros.search.timeout = setTimeout(function() {config.macros.search.doSearch(txt);},500);
		}
	} else {
		if(config.macros.search.timeout)
			clearTimeout(config.macros.search.timeout);
	}
};

config.macros.search.onFocus = function(e)
{
	this.select();
};

config.macros.tiddler.handler = function(place,macroName,params,wikifier,paramString,tiddler)
{
	params = paramString.parseParams("name",null,true,false,true);
	var names = params[0]["name"];
	var tiddlerName = names[0];
	var className = names[1] ? names[1] : null;
	var args = params[0]["with"];
	var wrapper = createTiddlyElement(place,"span",null,className);
	if(!args) {
		wrapper.setAttribute("refresh","content");
		wrapper.setAttribute("tiddler",tiddlerName);
	}
	var text = store.getTiddlerText(tiddlerName);
	if(text) {
		var stack = config.macros.tiddler.tiddlerStack;
		if(stack.indexOf(tiddlerName) !== -1)
			return;
		stack.push(tiddlerName);
		try {
			var n = args ? Math.min(args.length,9) : 0;
			for(var i=0; i<n; i++) {
				var placeholderRE = new RegExp("\\$" + (i + 1),"mg");
				text = text.replace(placeholderRE,args[i]);
			}
			config.macros.tiddler.renderText(wrapper,text,tiddlerName,params);
		} finally {
			stack.pop();
		}
	}
};

config.macros.tiddler.renderText = function(place,text,tiddlerName,params) 
{
	wikify(text,place,null,store.getTiddler(tiddlerName));
};

config.macros.tiddler.tiddlerStack = [];

config.macros.tag.handler = function(place,macroName,params)
{
	createTagButton(place,params[0]);
};

config.macros.tags.handler = function(place,macroName,params,wikifier,paramString,tiddler)
{
	params = paramString.parseParams("anon",null,true,false,false);
	var theList = createTiddlyElement(place,"ul");
	var title = getParam(params,"anon","");
	if(title && store.tiddlerExists(title))
		tiddler = store.getTiddler(title);
	var sep = getParam(params,"sep"," ");
	var lingo = config.views.wikified.tag;
	var prompt = tiddler.tags.length == 0 ? lingo.labelNoTags : lingo.labelTags;
	createTiddlyElement(theList,"li",null,"listTitle",prompt.format([tiddler.title]));
	for(var t=0; t<tiddler.tags.length; t++) {
		createTagButton(createTiddlyElement(theList,"li"),tiddler.tags[t],tiddler.title);
		if(t<tiddler.tags.length-1)
			createTiddlyText(theList,sep);
	}
};

config.macros.tagging.handler = function(place,macroName,params,wikifier,paramString,tiddler)
{
	params = paramString.parseParams("anon",null,true,false,false);
	var theList = createTiddlyElement(place,"ul");
	var title = getParam(params,"anon","");
	if(title == "" && tiddler instanceof Tiddler)
		title = tiddler.title;
	var sep = getParam(params,"sep"," ");
	theList.setAttribute("title",this.tooltip.format([title]));
	var tagged = store.getTaggedTiddlers(title);
	var prompt = tagged.length == 0 ? this.labelNotTag : this.label;
	createTiddlyElement(theList,"li",null,"listTitle",prompt.format([title,tagged.length]));
	for(var t=0; t<tagged.length; t++) {
		createTiddlyLink(createTiddlyElement(theList,"li"),tagged[t].title,true);
		if(t<tagged.length-1)
			createTiddlyText(theList,sep);
	}
};

config.macros.closeAll.handler = function(place)
{
	createTiddlyButton(place,this.label,this.prompt,this.onClick);
};

config.macros.closeAll.onClick = function(e)
{
	story.closeAllTiddlers();
	return false;
};

config.macros.permaview.handler = function(place)
{
	createTiddlyButton(place,this.label,this.prompt,this.onClick);
};

config.macros.permaview.onClick = function(e)
{
	story.permaView();
	return false;
};

config.macros.saveChanges.handler = function(place)
{
	if(!readOnly)
		createTiddlyButton(place,this.label,this.prompt,this.onClick,null,null,this.accessKey);
};

config.macros.saveChanges.onClick = function(e)
{
	saveChanges();
	return false;
};

config.macros.slider.onClickSlider = function(e)
{
	if(!e) var e = window.event;
	var n = this.nextSibling;
	var cookie = n.getAttribute("cookie");
	var isOpen = n.style.display != "none";
	if(config.options.chkAnimate && anim && typeof Slider == "function")
		anim.startAnimating(new Slider(n,!isOpen,null,"none"));
	else
		n.style.display = isOpen ? "none" : "block";
	config.options[cookie] = !isOpen;
	saveOptionCookie(cookie);
	return false;
};

config.macros.slider.createSlider = function(place,cookie,title,tooltip)
{
	var cookie = cookie ? cookie : "";
	var btn = createTiddlyButton(place,title,tooltip,this.onClickSlider);
	var panel = createTiddlyElement(null,"div",null,"sliderPanel");
	panel.setAttribute("cookie",cookie);
	panel.style.display = config.options[cookie] ? "block" : "none";
	place.appendChild(panel);
	return panel;
};

config.macros.slider.handler = function(place,macroName,params)
{
	var panel = this.createSlider(place,params[0],params[2],params[3]);
	var text = store.getTiddlerText(params[1]);
	panel.setAttribute("refresh","content");
	panel.setAttribute("tiddler",params[1]);
	if(text)
		wikify(text,panel,null,store.getTiddler(params[1]));
};

config.macros.option.genericCreate = function(place,type,opt,className,desc)
{
	var typeInfo = config.macros.option.types[type];
	var c = document.createElement(typeInfo.elementType);
	if(typeInfo.typeValue)
		c.setAttribute("type",typeInfo.typeValue);
	c[typeInfo.eventName] = typeInfo.onChange;
	c.setAttribute("option",opt);
	if(className)
		c.className = className;
	else
		c.className = typeInfo.className;
	if(config.optionsDesc[opt])
		c.setAttribute("title",config.optionsDesc[opt]);
	place.appendChild(c);
	if(desc != "no")
		createTiddlyText(place,config.optionsDesc[opt] ? config.optionsDesc[opt] : opt);
	c[typeInfo.valueField] = config.options[opt];
	return c;
};

config.macros.option.genericOnChange = function(e)
{
	var opt = this.getAttribute("option");
	if(opt) {
		var optType = opt.substr(0,3);
		var handler = config.macros.option.types[optType];
		if (handler.elementType && handler.valueField)
			config.macros.option.propagateOption(opt,handler.valueField,this[handler.valueField],handler.elementType);
		}
	return true;
};

config.macros.option.types = {
	'txt': {
		elementType: "input",
		valueField: "value",
		eventName: "onkeyup",
		className: "txtOptionInput",
		create: config.macros.option.genericCreate,
		onChange: config.macros.option.genericOnChange
	},
	'chk': {
		elementType: "input",
		valueField: "checked",
		eventName: "onclick",
		className: "chkOptionInput",
		typeValue: "checkbox",
		create: config.macros.option.genericCreate,
		onChange: config.macros.option.genericOnChange
	}
};

config.macros.option.propagateOption = function(opt,valueField,value,elementType)
{
	config.options[opt] = value;
	saveOptionCookie(opt);
	var nodes = document.getElementsByTagName(elementType);
	for(var t=0; t<nodes.length; t++) {
		var optNode = nodes[t].getAttribute("option");
		if(opt == optNode)
			nodes[t][valueField] = value;
		}
};

config.macros.option.handler = function(place,macroName,params,wikifier,paramString,tiddler)
{
	params = paramString.parseParams("anon",null,true,false,false);
	var opt = (params[1] && params[1].name == "anon") ? params[1].value : getParam(params,"name",null);
	var className = (params[2] && params[2].name == "anon") ? params[2].value : getParam(params,"class",null);
	var desc = getParam(params,"desc","no");
	var type = opt.substr(0,3);
	var h = config.macros.option.types[type];
	if (h && h.create)
		h.create(place,type,opt,className,desc);
};

config.macros.options.handler = function(place,macroName,params,wikifier,paramString,tiddler)
{
	params = paramString.parseParams("anon",null,true,false,false);
	var showUnknown = getParam(params,"showUnknown","no");
	var wizard = new Wizard();
	wizard.createWizard(place,this.wizardTitle);
	wizard.addStep(this.step1Title,this.step1Html);
	var markList = wizard.getElement("markList");
	var chkUnknown = wizard.getElement("chkUnknown");
	chkUnknown.checked = showUnknown == "yes";
	chkUnknown.onchange = this.onChangeUnknown;
	var listWrapper = document.createElement("div");
	markList.parentNode.insertBefore(listWrapper,markList);
	wizard.setValue("listWrapper",listWrapper);
	this.refreshOptions(listWrapper,showUnknown == "yes");
};

config.macros.options.refreshOptions = function(listWrapper,showUnknown)
{	
	var opts = [];
	for(var n in config.options) {
		var opt = {};
		opt.option = "";
		opt.name = n;
		opt.lowlight = !config.optionsDesc[n];
		opt.description = opt.lowlight ? this.unknownDescription : config.optionsDesc[n];
		if(!opt.lowlight || showUnknown)
			opts.push(opt);
	}
	opts.sort(function(a,b) {return a.name.substr(3) < b.name.substr(3) ? -1 : (a.name.substr(3) == b.name.substr(3) ? 0 : +1);});
	var listview = ListView.create(listWrapper,opts,this.listViewTemplate);
	for(n=0; n<opts.length; n++) {
		var type = opts[n].name.substr(0,3);
		var h = config.macros.option.types[type];
		if (h && h.create) {
			h.create(opts[n].colElements['option'],type,opts[n].name,null,"no");
		}
	}
};

config.macros.options.onChangeUnknown = function(e)
{
	var wizard = new Wizard(this);
	var listWrapper = wizard.getValue("listWrapper");
	removeChildren(listWrapper);
	config.macros.options.refreshOptions(listWrapper,this.checked);
	return false;
};

config.macros.newTiddler.createNewTiddlerButton = function(place,title,params,label,prompt,accessKey,newFocus,isJournal)
{
	var tags = [];
	for(var t=1; t<params.length; t++) {
		if((params[t].name == "anon" && t != 1) || (params[t].name == "tag"))
			tags.push(params[t].value);
	}
	label = getParam(params,"label",label);
	prompt = getParam(params,"prompt",prompt);
	accessKey = getParam(params,"accessKey",accessKey);
	newFocus = getParam(params,"focus",newFocus);
	var customFields = getParam(params,"fields","");
	if(!customFields && !store.isShadowTiddler(title))
		customFields = String.encodeHashMap(config.defaultCustomFields);
	var btn = createTiddlyButton(place,label,prompt,this.onClickNewTiddler,null,null,accessKey);
	btn.setAttribute("newTitle",title);
	btn.setAttribute("isJournal",isJournal ? "true" : "false");
	if(tags.length > 0)
		btn.setAttribute("params",tags.join("|"));
	btn.setAttribute("newFocus",newFocus);
	btn.setAttribute("newTemplate",getParam(params,"template",DEFAULT_EDIT_TEMPLATE));
	if(customFields !== "")
		btn.setAttribute("customFields",customFields);
	var text = getParam(params,"text");
	if(text !== undefined) 
		btn.setAttribute("newText",text);
	return btn;
};

config.macros.newTiddler.onClickNewTiddler = function()
{
	var title = this.getAttribute("newTitle");
	if(this.getAttribute("isJournal") == "true") {
		var now = new Date();
		title = now.formatString(title.trim());
	}
	var params = this.getAttribute("params");
	var tags = params ? params.split("|") : [];
	var focus = this.getAttribute("newFocus");
	var template = this.getAttribute("newTemplate");
	var customFields = this.getAttribute("customFields");
	story.displayTiddler(null,title,template,false,null,null);
	var tiddlerElem = document.getElementById(story.idPrefix + title);
	if(customFields)
		story.addCustomFields(tiddlerElem,customFields);
	var text = this.getAttribute("newText");
	if(typeof text == "string")
		story.getTiddlerField(title,"text").value = text.format([title]);
	for(var t=0;t<tags.length;t++)
		story.setTiddlerTag(title,tags[t],+1);
	story.focusTiddler(title,focus);
	return false;
};

config.macros.newTiddler.handler = function(place,macroName,params,wikifier,paramString,tiddler)
{
	if(!readOnly) {
		params = paramString.parseParams("anon",null,true,false,false);
		var title = params[1] && params[1].name == "anon" ? params[1].value : this.title;
		title = getParam(params,"title",title);
		this.createNewTiddlerButton(place,title,params,this.label,this.prompt,this.accessKey,"title",false);
	}
};

config.macros.newJournal.handler = function(place,macroName,params,wikifier,paramString,tiddler)
{
	if(!readOnly) {
		params = paramString.parseParams("anon",null,true,false,false);
		var title = params[1] && params[1].name == "anon" ? params[1].value : "";
		title = getParam(params,"title",title);
		config.macros.newTiddler.createNewTiddlerButton(place,title,params,this.label,this.prompt,this.accessKey,"text",true);
	}
};

config.macros.sparkline.handler = function(place,macroName,params)
{
	var data = [];
	var min = 0;
	var max = 0;
	for(var t=0; t<params.length; t++) {
		var v = parseInt(params[t]);
		if(v < min)
			min = v;
		if(v > max)
			max = v;
		data.push(v);
	}
	if(data.length < 1)
		return;
	var box = createTiddlyElement(place,"span",null,"sparkline",String.fromCharCode(160));
	box.title = data.join(",");
	var w = box.offsetWidth;
	var h = box.offsetHeight;
	box.style.paddingRight = (data.length * 2 - w) + "px";
	box.style.position = "relative";
	for(var d=0; d<data.length; d++) {
		var tick = document.createElement("img");
		tick.border = 0;
		tick.className = "sparktick";
		tick.style.position = "absolute";
		tick.src = "data:image/gif,GIF89a%01%00%01%00%91%FF%00%FF%FF%FF%00%00%00%C0%C0%C0%00%00%00!%F9%04%01%00%00%02%00%2C%00%00%00%00%01%00%01%00%40%02%02T%01%00%3B";
		tick.style.left = d*2 + "px";
		tick.style.width = "2px";
		var v = Math.floor(((data[d] - min)/(max-min)) * h);
		tick.style.top = (h-v) + "px";
		tick.style.height = v + "px";
		box.appendChild(tick);
	}
};

config.macros.tabs.handler = function(place,macroName,params)
{
	var cookie = params[0];
	var numTabs = (params.length-1)/3;
	var wrapper = createTiddlyElement(null,"div",null,cookie);
	var tabset = createTiddlyElement(wrapper,"div",null,"tabset");
	tabset.setAttribute("cookie",cookie);
	var validTab = false;
	for(var t=0; t<numTabs; t++) {
		var label = params[t*3+1];
		var prompt = params[t*3+2];
		var content = params[t*3+3];
		var tab = createTiddlyButton(tabset,label,prompt,this.onClickTab,"tab tabUnselected");
		tab.setAttribute("tab",label);
		tab.setAttribute("content",content);
		tab.title = prompt;
		if(config.options[cookie] == label)
			validTab = true;
	}
	if(!validTab)
		config.options[cookie] = params[1];
	place.appendChild(wrapper);
	this.switchTab(tabset,config.options[cookie]);
};

config.macros.tabs.onClickTab = function(e)
{
	config.macros.tabs.switchTab(this.parentNode,this.getAttribute("tab"));
	return false;
};

config.macros.tabs.switchTab = function(tabset,tab)
{
	var cookie = tabset.getAttribute("cookie");
	var theTab = null;
	var nodes = tabset.childNodes;
	for(var t=0; t<nodes.length; t++) {
		if(nodes[t].getAttribute && nodes[t].getAttribute("tab") == tab) {
			theTab = nodes[t];
			theTab.className = "tab tabSelected";
		} else {
			nodes[t].className = "tab tabUnselected";
		}
	}
	if(theTab) {
		if(tabset.nextSibling && tabset.nextSibling.className == "tabContents")
			removeNode(tabset.nextSibling);
		var tabContent = createTiddlyElement(null,"div",null,"tabContents");
		tabset.parentNode.insertBefore(tabContent,tabset.nextSibling);
		var contentTitle = theTab.getAttribute("content");
		wikify(store.getTiddlerText(contentTitle),tabContent,null,store.getTiddler(contentTitle));
		if(cookie) {
			config.options[cookie] = tab;
			saveOptionCookie(cookie);
		}
	}
};

// <<gradient [[tiddler name]] vert|horiz rgb rgb rgb rgb... >>
config.macros.gradient.handler = function(place,macroName,params,wikifier)
{
	var terminator = ">>";
	var panel;
	if(wikifier)
		panel = createTiddlyElement(place,"div",null,"gradient");
	else
		panel = place;
	panel.style.position = "relative";
	panel.style.overflow = "hidden";
	panel.style.zIndex = "0";
	var t;
	if(wikifier) {
		var styles = config.formatterHelpers.inlineCssHelper(wikifier);
		config.formatterHelpers.applyCssHelper(panel,styles);
	}
	var colours = [];
	for(t=1; t<params.length; t++) {
		var c = new RGB(params[t]);
		if(c)
			colours.push(c);
	}
	drawGradient(panel,params[0] != "vert",colours);
	if(wikifier)
		wikifier.subWikify(panel,terminator);
	if(document.all) {
		panel.style.height = "100%";
		panel.style.width = "100%";
	}
};

config.macros.message.handler = function(place,macroName,params)
{
	if(params[0]) {
		var m = config;
		var p = params[0].split(".");
		for(var t=0; t<p.length; t++) {
			if(p[t] in m)
				m = m[p[t]];
			else
				break;
		}
		createTiddlyText(place,m.toString().format(params.splice(1)));
	}
};

config.macros.view.handler = function(place,macroName,params,wikifier,paramString,tiddler)
{
	if((tiddler instanceof Tiddler) && params[0]) {
		var value = store.getValue(tiddler,params[0]);
		if(value != undefined) {
			switch(params[1]) {
				case undefined:
					highlightify(value,place,highlightHack,tiddler);
					break;
				case "link":
					createTiddlyLink(place,value,true);
					break;
				case "wikified":
					wikify(value,place,highlightHack,tiddler);
					break;
				case "date":
					value = Date.convertFromYYYYMMDDHHMM(value);
					createTiddlyText(place,value.formatString(params[2] ? params[2] : config.views.wikified.dateFormat));
					break;
			}
		}
	}
};

config.macros.edit.handler = function(place,macroName,params,wikifier,paramString,tiddler)
{
	var field = params[0];
	var rows = params[1];
	if((tiddler instanceof Tiddler) && field) {
		story.setDirty(tiddler.title,true);
		if(field != "text" && !rows) {
			var e = createTiddlyElement(null,"input");
			if(tiddler.isReadOnly())
				e.setAttribute("readOnly","readOnly");
			e.setAttribute("edit",field);
			e.setAttribute("type","text");
			var v = store.getValue(tiddler,field);
			if(!v) 
				v = "";
			e.value = v;
			e.setAttribute("size","40");
			e.setAttribute("autocomplete","off");
			place.appendChild(e);
		} else {
			var wrapper1 = createTiddlyElement(null,"fieldset",null,"fieldsetFix");
			var wrapper2 = createTiddlyElement(wrapper1,"div");
			var e = createTiddlyElement(wrapper2,"textarea");
			if(tiddler.isReadOnly())
				e.setAttribute("readOnly","readOnly");
			var v = store.getValue(tiddler,field);
			if(!v) 
				v = "";
			e.value = v;
			var rows = rows ? rows : 10;
			var lines = v.match(/\n/mg);
			var maxLines = Math.max(parseInt(config.options.txtMaxEditRows),5);
			if(lines != null && lines.length > rows)
				rows = lines.length + 5;
			rows = Math.min(rows,maxLines);
			e.setAttribute("rows",rows);
			e.setAttribute("edit",field);
			place.appendChild(wrapper1);
		}
	}
};

config.macros.tagChooser.onClick = function(e)
{
	if(!e) var e = window.event;
	var lingo = config.views.editor.tagChooser;
	var popup = Popup.create(this);
	var tags = store.getTags();
	if(tags.length == 0)
		createTiddlyText(createTiddlyElement(popup,"li"),lingo.popupNone);
	for(var t=0; t<tags.length; t++) {
		var theTag = createTiddlyButton(createTiddlyElement(popup,"li"),tags[t][0],lingo.tagTooltip.format([tags[t][0]]),config.macros.tagChooser.onTagClick);
		theTag.setAttribute("tag",tags[t][0]);
		theTag.setAttribute("tiddler",this.getAttribute("tiddler"));
	}
	Popup.show();
	e.cancelBubble = true;
	if(e.stopPropagation) e.stopPropagation();
	return false;
};

config.macros.tagChooser.onTagClick = function(e)
{
	if(!e) var e = window.event;
	var tag = this.getAttribute("tag");
	var title = this.getAttribute("tiddler");
	if(!readOnly)
		story.setTiddlerTag(title,tag,0);
	return false;
};

config.macros.tagChooser.handler = function(place,macroName,params,wikifier,paramString,tiddler)
{
	if(tiddler instanceof Tiddler) {
		var title = tiddler.title;
		var lingo = config.views.editor.tagChooser;
		var btn = createTiddlyButton(place,lingo.text,lingo.tooltip,this.onClick);
		btn.setAttribute("tiddler",title);
	}
};

// Create a toolbar command button
config.macros.toolbar.createCommand = function(place,commandName,tiddler,theClass)
{
	if(typeof commandName != "string") {
		var c = null;
		for(var t in config.commands) {
			if(config.commands[t] == commandName)
				c = t;
		}
		commandName = c;
	}
	if((tiddler instanceof Tiddler) && (typeof commandName == "string")) {
		var command = config.commands[commandName];
		if(command.isEnabled ? command.isEnabled(tiddler) : this.isCommandEnabled(command,tiddler)) {
			var text = command.getText ? command.getText(tiddler) : this.getCommandText(command,tiddler);
			var tooltip = command.getTooltip ? command.getTooltip(tiddler) : this.getCommandTooltip(command,tiddler);
			var cmd;
			switch(command.type) {
				case "popup":
					cmd = this.onClickPopup;
					break;
				case "command":
				default:
					cmd = this.onClickCommand;
					break;
			}
			var btn = createTiddlyButton(null,text,tooltip,cmd);
			btn.setAttribute("commandName",commandName);
			btn.setAttribute("tiddler",tiddler.title);
			if(theClass)
				addClass(btn,theClass);
			place.appendChild(btn);
		}
	}
};

config.macros.toolbar.isCommandEnabled = function(command,tiddler)
{
	var title = tiddler.title;
	var ro = tiddler.isReadOnly();
	var shadow = store.isShadowTiddler(title) && !store.tiddlerExists(title);
	return (!ro || (ro && !command.hideReadOnly)) && !(shadow && command.hideShadow);
};

config.macros.toolbar.getCommandText = function(command,tiddler)
{
	return tiddler.isReadOnly() && command.readOnlyText ? command.readOnlyText : command.text;
};

config.macros.toolbar.getCommandTooltip = function(command,tiddler)
{
	return tiddler.isReadOnly() && command.readOnlyTooltip ? command.readOnlyTooltip : command.tooltip;
};

config.macros.toolbar.onClickCommand = function(e)
{
	if(!e) var e = window.event;
	e.cancelBubble = true;
	if (e.stopPropagation) e.stopPropagation();
	var command = config.commands[this.getAttribute("commandName")];
	return command.handler(e,this,this.getAttribute("tiddler"));
};

config.macros.toolbar.onClickPopup = function(e)
{
	if(!e) var e = window.event;
	e.cancelBubble = true;
	if (e.stopPropagation) e.stopPropagation();
	var popup = Popup.create(this);
	var command = config.commands[this.getAttribute("commandName")];
	var title = this.getAttribute("tiddler");
	var tiddler = store.fetchTiddler(title);
	popup.setAttribute("tiddler",title);
	command.handlePopup(popup,title);
	Popup.show();
	return false;
};

// Invoke the first command encountered from a given place that is tagged with a specified class
config.macros.toolbar.invokeCommand = function(place,theClass,event)
{
	var children = place.getElementsByTagName("a");
	for(var t=0; t<children.length; t++) {
		var c = children[t];
		if(hasClass(c,theClass) && c.getAttribute && c.getAttribute("commandName")) {
			if(c.onclick instanceof Function)
				c.onclick.call(c,event);
			break;
		}
	}
};

config.macros.toolbar.onClickMore = function(e)
{
	var e = this.nextSibling;
	e.style.display = "inline";
	removeNode(this);
	return false;
};

config.macros.toolbar.handler = function(place,macroName,params,wikifier,paramString,tiddler)
{
	for(var t=0; t<params.length; t++) {
		var c = params[t];
		switch(c) {
			case '>':
				var btn = createTiddlyButton(place,this.moreLabel,this.morePrompt,config.macros.toolbar.onClickMore);
				addClass(btn,"moreCommand");
				var e = createTiddlyElement(place,"span",null,"moreCommand");
				e.style.display = "none";
				place = e;
				break;
			default:
				var theClass = "";
				switch(c.substr(0,1)) {
					case "+":
						theClass = "defaultCommand";
						c = c.substr(1);
						break;
					case "-":
						theClass = "cancelCommand";
						c = c.substr(1);
						break;
				}
				if(c in config.commands)
					this.createCommand(place,c,tiddler,theClass);
				break;
		}
	}
};

config.macros.refreshDisplay.handler = function(place)
{
	createTiddlyButton(place,this.label,this.prompt,this.onClick);
};

config.macros.refreshDisplay.onClick = function(e)
{
	refreshAll();
	return false;
};

config.macros.annotations.handler = function(place,macroName,params,wikifier,paramString,tiddler)
{
	var title = tiddler ? tiddler.title : null;
	var a = title ? config.annotations[title] : null;
	if(!tiddler || !title || !a)
		return;
	var text = a.format([title]);
	wikify(text,createTiddlyElement(place,"div",null,"annotation"),null,tiddler);
};

//--
//-- Menu and toolbar commands
//--

config.commands.closeTiddler.handler = function(event,src,title)
{
	story.closeTiddler(title,true);
	return false;
};

config.commands.closeOthers.handler = function(event,src,title)
{
	story.closeAllTiddlers(title);
	return false;
};

config.commands.editTiddler.handler = function(event,src,title)
{
	clearMessage();
	var tiddlerElem = document.getElementById(story.idPrefix + title);
	var fields = tiddlerElem.getAttribute("tiddlyFields");
	story.displayTiddler(null,title,DEFAULT_EDIT_TEMPLATE,false,null,fields);
	story.focusTiddler(title,"text");
	return false;
};

config.commands.saveTiddler.handler = function(event,src,title)
{
	var newTitle = story.saveTiddler(title,event.shiftKey);
	if(newTitle)
		story.displayTiddler(null,newTitle);
	return false;
};

config.commands.cancelTiddler.handler = function(event,src,title)
{
	if(story.hasChanges(title) && !readOnly) {
		if(!confirm(this.warning.format([title])))
			return false;
	}
	story.setDirty(title,false);
	story.displayTiddler(null,title);
	return false;
};

config.commands.deleteTiddler.handler = function(event,src,title)
{
	var deleteIt = true;
	if (config.options.chkConfirmDelete)
		deleteIt = confirm(this.warning.format([title]));
	if (deleteIt) {
		store.removeTiddler(title);
		story.closeTiddler(title,true);
		autoSaveChanges();
	}
	return false;
};

config.commands.permalink.handler = function(event,src,title)
{
	var t = encodeURIComponent(String.encodeTiddlyLink(title));
	if(window.location.hash != t)
		window.location.hash = t;
	return false;
};

config.commands.references.handlePopup = function(popup,title)
{
	var references = store.getReferringTiddlers(title);
	var c = false;
	for(var r=0; r<references.length; r++) {
		if(references[r].title != title && !references[r].isTagged("excludeLists")) {
			createTiddlyLink(createTiddlyElement(popup,"li"),references[r].title,true);
			c = true;
		}
	}
	if(!c)
		createTiddlyText(createTiddlyElement(popup,"li",null,"disabled"),this.popupNone);
};

config.commands.jump.handlePopup = function(popup,title)
{
	story.forEachTiddler(function(title,element) {
		createTiddlyLink(createTiddlyElement(popup,"li"),title,true,null,false,null,true);
		});
};

config.commands.syncing.handlePopup = function(popup,title)
{
	var tiddler = store.fetchTiddler(title);
	if(!tiddler)
		return;
	var serverType = tiddler.getServerType();
	var serverHost = tiddler.fields['server.host'];
	var serverWorkspace = tiddler.fields['server.workspace'];
	if(!serverWorkspace)
		serverWorkspace = "";
	if(serverType) {
		var e = createTiddlyElement(popup,"li",null,"popupMessage");
		e.innerHTML = config.commands.syncing.currentlySyncing.format([serverType,serverHost,serverWorkspace]);
	} else {
		createTiddlyElement(popup,"li",null,"popupMessage",config.commands.syncing.notCurrentlySyncing);
	}
	if(serverType) {
		createTiddlyElement(createTiddlyElement(popup,"li",null,"listBreak"),"div");
		var btn = createTiddlyButton(createTiddlyElement(popup,"li"),this.captionUnSync,null,config.commands.syncing.onChooseServer);
		btn.setAttribute("tiddler",title);
		btn.setAttribute("server.type","");
	}
	createTiddlyElement(createTiddlyElement(popup,"li",null,"listBreak"),"div");
	createTiddlyElement(popup,"li",null,"popupMessage",config.commands.syncing.chooseServer);
	var feeds = store.getTaggedTiddlers("systemServer","title");
	for(var t=0; t<feeds.length; t++) {
		var f = feeds[t];
		var feedServerType = store.getTiddlerSlice(f.title,"Type");
		if(!feedServerType)
			feedServerType = "file";
		var feedServerHost = store.getTiddlerSlice(f.title,"URL");
		if(!feedServerHost)
			feedServerHost = "";
		var feedServerWorkspace = store.getTiddlerSlice(f.title,"Workspace");
		if(!feedServerWorkspace)
			feedServerWorkspace = "";
		var caption = f.title;
		if(serverType == feedServerType && serverHost == feedServerHost && serverWorkspace == feedServerWorkspace) {
			caption = config.commands.syncing.currServerMarker + caption;
		} else {
			caption = config.commands.syncing.notCurrServerMarker + caption;
		}
		btn = createTiddlyButton(createTiddlyElement(popup,"li"),caption,null,config.commands.syncing.onChooseServer);
		btn.setAttribute("tiddler",title);
		btn.setAttribute("server.type",feedServerType);
		btn.setAttribute("server.host",feedServerHost);
		btn.setAttribute("server.workspace",feedServerWorkspace);
	}
};

config.commands.syncing.onChooseServer = function(e)
{
	var tiddler = this.getAttribute("tiddler");
	var serverType = this.getAttribute("server.type");
	if(serverType) {
		store.addTiddlerFields(tiddler,{
			'server.type': serverType,
			'server.host': this.getAttribute("server.host"),
			'server.workspace': this.getAttribute("server.workspace")
			});
	} else {
		store.setValue(tiddler,'server',null);
	}
	return false;
};

config.commands.fields.handlePopup = function(popup,title)
{
	var tiddler = store.fetchTiddler(title);
	if(!tiddler)
		return;
	var fields = {};
	store.forEachField(tiddler,function(tiddler,fieldName,value) {fields[fieldName] = value;},true);
	var items = [];
	for(var t in fields) {
		items.push({field: t,value: fields[t]});
	}
	items.sort(function(a,b) {return a.field < b.field ? -1 : (a.field == b.field ? 0 : +1);});
	if(items.length > 0)
		ListView.create(popup,items,this.listViewTemplate);
	else
		createTiddlyElement(popup,"div",null,null,this.emptyText);
};

//--
//-- Tiddler() object
//--

function Tiddler(title)
{
	this.title = title;
	this.text = null;
	this.modifier = null;
	this.modified = new Date();
	this.created = new Date();
	this.links = [];
	this.linksUpdated = false;
	this.tags = [];
	this.fields = {};
	return this;
}

Tiddler.prototype.getLinks = function()
{
	if(this.linksUpdated==false)
		this.changed();
	return this.links;
};

// Returns the fields that are inherited in string field:"value" field2:"value2" format
Tiddler.prototype.getInheritedFields = function()
{
	var f = {};
	for(i in this.fields) {
		if(i=="server.host" || i=="server.workspace" || i=="wikiformat"|| i=="server.type") {
			f[i] = this.fields[i];
		}
	}
	return String.encodeHashMap(f);
};

// Increment the changeCount of a tiddler
Tiddler.prototype.incChangeCount = function()
{
	var c = this.fields['changecount'];
	c = c ? parseInt(c) : 0;
	this.fields['changecount'] = String(c+1);
};

// Clear the changeCount of a tiddler
Tiddler.prototype.clearChangeCount = function()
{
	if(this.fields['changecount']) {
		delete this.fields['changecount'];
	}
};

// Returns true if the tiddler has been updated since the tiddler was created or downloaded
Tiddler.prototype.isTouched = function()
{
	var changeCount = this.fields['changecount'];
	if(changeCount === undefined)
		changeCount = 0;
	return changeCount > 0;
};

// Format the text for storage in an RSS item
Tiddler.prototype.saveToRss = function(url)
{
	var s = [];
	s.push("<item>");
	s.push("<title" + ">" + this.title.htmlEncode() + "</title" + ">");
	s.push("<description>" + wikifyStatic(this.text,null,this).htmlEncode() + "</description>");
	for(var t=0; t<this.tags.length; t++)
		s.push("<category>" + this.tags[t] + "</category>");
	s.push("<link>" + url + "#" + encodeURIComponent(String.encodeTiddlyLink(this.title)) + "</link>");
	s.push("<pubDate>" + this.modified.toGMTString() + "</pubDate>");
	s.push("</item>");
	return s.join("\n");
};

// Change the text and other attributes of a tiddler
Tiddler.prototype.set = function(title,text,modifier,modified,tags,created,fields)
{
	this.assign(title,text,modifier,modified,tags,created,fields);
	this.changed();
	return this;
};

// Change the text and other attributes of a tiddler without triggered a tiddler.changed() call
Tiddler.prototype.assign = function(title,text,modifier,modified,tags,created,fields)
{
	if(title != undefined)
		this.title = title;
	if(text != undefined)
		this.text = text;
	if(modifier != undefined)
		this.modifier = modifier;
	if(modified != undefined)
		this.modified = modified;
	if(created != undefined)
		this.created = created;
	if(fields != undefined)
		this.fields = fields;
	if(tags != undefined)
		this.tags = (typeof tags == "string") ? tags.readBracketedList() : tags;
	else if(this.tags == undefined)
		this.tags = [];
	return this;
};

// Get the tags for a tiddler as a string (space delimited, using [[brackets]] for tags containing spaces)
Tiddler.prototype.getTags = function()
{
	return String.encodeTiddlyLinkList(this.tags);
};

// Test if a tiddler carries a tag
Tiddler.prototype.isTagged = function(tag)
{
	return this.tags.indexOf(tag) != -1;
};

// Static method to convert "\n" to newlines, "\s" to "\"
Tiddler.unescapeLineBreaks = function(text)
{
	return text ? text.unescapeLineBreaks() : "";
};

// Convert newlines to "\n", "\" to "\s"
Tiddler.prototype.escapeLineBreaks = function()
{
	return this.text.escapeLineBreaks();
};

// Updates the secondary information (like links[] array) after a change to a tiddler
Tiddler.prototype.changed = function()
{
	this.links = [];
	var t = this.autoLinkWikiWords() ? 0 : 1;
	var tiddlerLinkRegExp = t==0 ? config.textPrimitives.tiddlerAnyLinkRegExp : config.textPrimitives.tiddlerForcedLinkRegExp;
	tiddlerLinkRegExp.lastIndex = 0;
	var formatMatch = tiddlerLinkRegExp.exec(this.text);
	while(formatMatch) {
		var lastIndex = tiddlerLinkRegExp.lastIndex;
		if(t==0 && formatMatch[1] && formatMatch[1] != this.title) {
			// wikiWordLink
			if(formatMatch.index > 0) {
				var preRegExp = new RegExp(config.textPrimitives.unWikiLink+"|"+config.textPrimitives.anyLetter,"mg");
				preRegExp.lastIndex = formatMatch.index-1;
				var preMatch = preRegExp.exec(this.text);
				if(preMatch.index != formatMatch.index-1)
					this.links.pushUnique(formatMatch[1]);
			} else {
				this.links.pushUnique(formatMatch[1]);
			}
		}
		else if(formatMatch[2-t] && !config.formatterHelpers.isExternalLink(formatMatch[3-t])) // titledBrackettedLink
			this.links.pushUnique(formatMatch[3-t]);
		else if(formatMatch[4-t] && formatMatch[4-t] != this.title) // brackettedLink
			this.links.pushUnique(formatMatch[4-t]);
		tiddlerLinkRegExp.lastIndex = lastIndex;
		formatMatch = tiddlerLinkRegExp.exec(this.text);
	}
	this.linksUpdated = true;
};

Tiddler.prototype.getSubtitle = function()
{
	var theModifier = this.modifier;
	if(!theModifier)
		theModifier = config.messages.subtitleUnknown;
	var theModified = this.modified;
	if(theModified)
		theModified = theModified.toLocaleString();
	else
		theModified = config.messages.subtitleUnknown;
	return config.messages.tiddlerLinkTooltip.format([this.title,theModifier,theModified]);
};

Tiddler.prototype.isReadOnly = function()
{
	return readOnly;
};

Tiddler.prototype.autoLinkWikiWords = function()
{
	return !(this.isTagged("systemConfig") || this.isTagged("excludeMissing"));
};

Tiddler.prototype.generateFingerprint = function()
{
	return "0x" + Crypto.hexSha1Str(this.text);
};

Tiddler.prototype.getServerType = function()
{
	var serverType = null;
	if(this.fields && this.fields['server.type'])
		serverType = this.fields['server.type'];
	if(!serverType)
		serverType = this.fields['wikiformat'];
	if(serverType && !config.adaptors[serverType])
		serverType = null;
	return serverType;
};

Tiddler.prototype.getAdaptor = function()
{
	var serverType = this.getServerType();
	if(serverType)
		return new config.adaptors[serverType];
	else
		return null;
};

//--
//-- TiddlyWiki() object contains Tiddler()s
//--

function TiddlyWiki()
{
	var tiddlers = {}; // Hashmap by name of tiddlers
	this.tiddlersUpdated = false;
	this.namedNotifications = []; // Array of {name:,notify:} of notification functions
	this.notificationLevel = 0;
	this.slices = {}; // map tiddlerName->(map sliceName->sliceValue). Lazy.
	this.clear = function() {
		tiddlers = {};
		this.setDirty(false);
	};
	this.fetchTiddler = function(title) {
		return tiddlers[title];
	};
	this.deleteTiddler = function(title) {
		delete this.slices[title];
		delete tiddlers[title];
	};
	this.addTiddler = function(tiddler) {
		delete this.slices[tiddler.title];
		tiddlers[tiddler.title] = tiddler;
	};
	this.forEachTiddler = function(callback) {
		for(var t in tiddlers) {
			var tiddler = tiddlers[t];
			if(tiddler instanceof Tiddler)
				callback.call(this,t,tiddler);
		}
	};
}

TiddlyWiki.prototype.setDirty = function(dirty)
{
	this.dirty = dirty;
};

TiddlyWiki.prototype.isDirty = function()
{
	return this.dirty;
};

TiddlyWiki.prototype.suspendNotifications = function()
{
	this.notificationLevel--;
};

TiddlyWiki.prototype.resumeNotifications = function()
{
	this.notificationLevel++;
};

// Invoke the notification handlers for a particular tiddler
TiddlyWiki.prototype.notify = function(title,doBlanket)
{
	if(!this.notificationLevel) {
		for(var t=0; t<this.namedNotifications.length; t++) {
			var n = this.namedNotifications[t];
			if((n.name == null && doBlanket) || (n.name == title))
				n.notify(title);
		}
	}
};

// Invoke the notification handlers for all tiddlers
TiddlyWiki.prototype.notifyAll = function()
{
	if(!this.notificationLevel) {
		for(var t=0; t<this.namedNotifications.length; t++) {
			var n = this.namedNotifications[t];
			if(n.name)
				n.notify(n.name);
		}
	}
};

// Add a notification handler to a tiddler
TiddlyWiki.prototype.addNotification = function(title,fn)
{
	for(var i=0; i<this.namedNotifications.length; i++) {
		if((this.namedNotifications[i].name == title) && (this.namedNotifications[i].notify == fn))
			return this;
	}
	this.namedNotifications.push({name: title, notify: fn});
	return this;
};

TiddlyWiki.prototype.removeTiddler = function(title)
{
	var tiddler = this.fetchTiddler(title);
	if(tiddler) {
		this.deleteTiddler(title);
		this.notify(title,true);
		this.setDirty(true);
	}
};

TiddlyWiki.prototype.tiddlerExists = function(title)
{
	var t = this.fetchTiddler(title);
	return t != undefined;
};

TiddlyWiki.prototype.isShadowTiddler = function(title)
{
	return typeof config.shadowTiddlers[title] == "string";
};

TiddlyWiki.prototype.getTiddler = function(title)
{
	var t = this.fetchTiddler(title);
	if(t != undefined)
		return t;
	else
		return null;
};

TiddlyWiki.prototype.getTiddlerText = function(title,defaultText)
{
	var tiddler = this.fetchTiddler(title);
	if(tiddler)
		return tiddler.text;
	if(!title)
		return defaultText;
	var pos = title.indexOf(config.textPrimitives.sliceSeparator);
	if(pos != -1) {
		var slice = this.getTiddlerSlice(title.substr(0,pos),title.substr(pos + config.textPrimitives.sliceSeparator.length));
		if(slice)
			return slice;
	}
	if(this.isShadowTiddler(title))
		return config.shadowTiddlers[title];
	if(defaultText != undefined)
		return defaultText;
	return null;
};

TiddlyWiki.prototype.slicesRE = /(?:[\'\/]*~?([\.\w]+)[\'\/]*\:[\'\/]*\s*(.*?)\s*$)|(?:\|[\'\/]*~?([\.\w]+)\:?[\'\/]*\|\s*(.*?)\s*\|)/gm;

// @internal
TiddlyWiki.prototype.calcAllSlices = function(title)
{
	var slices = {};
	var text = this.getTiddlerText(title,"");
	this.slicesRE.lastIndex = 0;
	do {
		var m = this.slicesRE.exec(text);
		if(m) {
			if(m[1])
				slices[m[1]] = m[2];
			else
				slices[m[3]] = m[4];
		}
	} while(m);
	return slices;
};

// Returns the slice of text of the given name
TiddlyWiki.prototype.getTiddlerSlice = function(title,sliceName)
{
	var slices = this.slices[title];
	if(!slices) {
		slices = this.calcAllSlices(title);
		this.slices[title] = slices;
	}
	return slices[sliceName];
};

// Build an hashmap of the specified named slices of a tiddler
TiddlyWiki.prototype.getTiddlerSlices = function(title,sliceNames)
{
	var r = {};
	for(var t=0; t<sliceNames.length; t++) {
		var slice = this.getTiddlerSlice(title,sliceNames[t]);
		if(slice)
			r[sliceNames[t]] = slice;
	}
	return r;
};

TiddlyWiki.prototype.getRecursiveTiddlerText = function(title,defaultText,depth)
{
	var bracketRegExp = new RegExp("(?:\\[\\[([^\\]]+)\\]\\])","mg");
	var text = this.getTiddlerText(title,null);
	if(text == null)
		return defaultText;
	var textOut = [];
	var lastPos = 0;
	do {
		var match = bracketRegExp.exec(text);
		if(match) {
			textOut.push(text.substr(lastPos,match.index-lastPos));
			if(match[1]) {
				if(depth <= 0)
					textOut.push(match[1]);
				else
					textOut.push(this.getRecursiveTiddlerText(match[1],"[[" + match[1] + "]]",depth-1));
			}
			lastPos = match.index + match[0].length;
		} else {
			textOut.push(text.substr(lastPos));
		}
	} while(match);
	return textOut.join("");
};

TiddlyWiki.prototype.setTiddlerTag = function(title,status,tag)
{
	var tiddler = this.fetchTiddler(title);
	if(tiddler) {
		var t = tiddler.tags.indexOf(tag);
		if(t != -1)
			tiddler.tags.splice(t,1);
		if(status)
			tiddler.tags.push(tag);
		tiddler.changed();
		this.incChangeCount(title);
		this.notify(title,true);
		this.setDirty(true);
	}
};

TiddlyWiki.prototype.addTiddlerFields = function(title,fields)
{
	var tiddler = this.fetchTiddler(title);
	if(!tiddler)
		return;
	merge(tiddler.fields,fields);
	tiddler.changed();
	this.incChangeCount(title);
	this.notify(title,true);
	this.setDirty(true);
};

TiddlyWiki.prototype.saveTiddler = function(title,newTitle,newBody,modifier,modified,tags,fields,clearChangeCount,created)
{
	var tiddler = this.fetchTiddler(title);
	if(tiddler) {
		created = created ? created : tiddler.created; // Preserve created date
		this.deleteTiddler(title);
	} else {
		created = created ? created : modified;
		tiddler = new Tiddler();
	}
	tiddler.set(newTitle,newBody,modifier,modified,tags,created,fields);
	this.addTiddler(tiddler);
	if(clearChangeCount)
		tiddler.clearChangeCount();
	else
		tiddler.incChangeCount();
	if(title != newTitle)
		this.notify(title,true);
	this.notify(newTitle,true);
	this.setDirty(true);
	return tiddler;
};

// Reset the sync status of a freshly synced tiddler
TiddlyWiki.prototype.resetTiddler = function(title)
{
	var tiddler = this.fetchTiddler(title);
	if(tiddler) {
		tiddler.clearChangeCount();
		this.notify(title,true);
		this.setDirty(true);
	}
};

TiddlyWiki.prototype.incChangeCount = function(title)
{
	var tiddler = this.fetchTiddler(title);
	if(tiddler)
		tiddler.incChangeCount();
};

TiddlyWiki.prototype.createTiddler = function(title)
{
	var tiddler = this.fetchTiddler(title);
	if(!tiddler) {
		tiddler = new Tiddler();
		tiddler.title = title;
		this.addTiddler(tiddler);
		this.setDirty(true);
	}
	return tiddler;
};

// Load contents of a TiddlyWiki from an HTML DIV
TiddlyWiki.prototype.loadFromDiv = function(src,idPrefix,noUpdate)
{
	this.idPrefix = idPrefix;
	var storeElem = (typeof src == "string") ? document.getElementById(src) : src;
	if(!storeElem)
		return;
	var tiddlers = this.getLoader().loadTiddlers(this,storeElem.childNodes);
	this.setDirty(false);
	if(!noUpdate) {
		for(var i = 0;i<tiddlers.length; i++)
			tiddlers[i].changed();
	}
};

// Load contents of a TiddlyWiki from a string
// Returns null if there's an error
TiddlyWiki.prototype.importTiddlyWiki = function(text)
{
	var posDiv = locateStoreArea(text);
	if(!posDiv)
		return null;
	var content = "<" + "html><" + "body>" + text.substring(posDiv[0],posDiv[1] + endSaveArea.length) + "<" + "/body><" + "/html>";
	// Create the iframe
	var iframe = document.createElement("iframe");
	iframe.style.display = "none";
	document.body.appendChild(iframe);
	var doc = iframe.document;
	if(iframe.contentDocument)
		doc = iframe.contentDocument; // For NS6
	else if(iframe.contentWindow)
		doc = iframe.contentWindow.document; // For IE5.5 and IE6
	// Put the content in the iframe
	doc.open();
	doc.writeln(content);
	doc.close();
	// Load the content into a TiddlyWiki() object
	var storeArea = doc.getElementById("storeArea");
	this.loadFromDiv(storeArea,"store");
	// Get rid of the iframe
	iframe.parentNode.removeChild(iframe);
	return this;
};

TiddlyWiki.prototype.updateTiddlers = function()
{
	this.tiddlersUpdated = true;
	this.forEachTiddler(function(title,tiddler) {
		tiddler.changed();
	});
};

// Return all tiddlers formatted as an HTML string
TiddlyWiki.prototype.allTiddlersAsHtml = function()
{
	return store.getSaver().externalize(store);
};

// Return an array of tiddlers matching a search regular expression
TiddlyWiki.prototype.search = function(searchRegExp,sortField,excludeTag)
{
	var candidates = this.reverseLookup("tags",excludeTag,false);
	var results = [];
	for(var t=0; t<candidates.length; t++) {
		if((candidates[t].title.search(searchRegExp) != -1) || (candidates[t].text.search(searchRegExp) != -1))
			results.push(candidates[t]);
	}
	if(!sortField)
		sortField = "title";
	results.sort(function(a,b) {return a[sortField] < b[sortField] ? -1 : (a[sortField] == b[sortField] ? 0 : +1);});
	return results;
};

// Return an array of all the tags in use. Each member of the array is another array where [0] is the name of the tag and [1] is the number of occurances
TiddlyWiki.prototype.getTags = function(excludeTag)
{
	var results = [];
	this.forEachTiddler(function(title,tiddler) {
		for(var g=0; g<tiddler.tags.length; g++) {
			var tag = tiddler.tags[g];
			if(excludeTag) {
				var t = store.fetchTiddler(tag);
				if(t && t.isTagged(excludeTag))
					return false;
			}
			var f = false;
			for(var c=0; c<results.length; c++) {
				if(results[c][0] == tag) {
					f = true;
					results[c][1]++;
				}
			}
			if(!f)
				results.push([tag,1]);
		}
	});
	results.sort(function(a,b) {return a[0].toLowerCase() < b[0].toLowerCase() ? -1 : (a[0].toLowerCase() == b[0].toLowerCase() ? 0 : +1);});
	return results;
};

// Return an array of the tiddlers that are tagged with a given tag
TiddlyWiki.prototype.getTaggedTiddlers = function(tag,sortField)
{
	return this.reverseLookup("tags",tag,true,sortField);
};

// Return an array of the tiddlers that link to a given tiddler
TiddlyWiki.prototype.getReferringTiddlers = function(title,unusedParameter,sortField)
{
	if(!this.tiddlersUpdated)
		this.updateTiddlers();
	return this.reverseLookup("links",title,true,sortField);
};

// Return an array of the tiddlers that do or do not have a specified entry in the specified storage array (ie, "links" or "tags")
// lookupMatch == true to match tiddlers, false to exclude tiddlers
TiddlyWiki.prototype.reverseLookup = function(lookupField,lookupValue,lookupMatch,sortField)
{
	var results = [];
	this.forEachTiddler(function(title,tiddler) {
		var f = !lookupMatch;
		for(var lookup=0; lookup<tiddler[lookupField].length; lookup++) {
			if(tiddler[lookupField][lookup] == lookupValue)
				f = lookupMatch;
		}
		if(f)
			results.push(tiddler);
	});
	if(!sortField)
		sortField = "title";
	results.sort(function(a,b) {return a[sortField] < b[sortField] ? -1 : (a[sortField] == b[sortField] ? 0 : +1);});
	return results;
};

// Return the tiddlers as a sorted array
TiddlyWiki.prototype.getTiddlers = function(field,excludeTag)
{
	var results = [];
	this.forEachTiddler(function(title,tiddler) {
		if(excludeTag == undefined || !tiddler.isTagged(excludeTag))
			results.push(tiddler);
	});
	if(field)
		results.sort(function(a,b) {return a[field] < b[field] ? -1 : (a[field] == b[field] ? 0 : +1);});
	return results;
};

// Return array of names of tiddlers that are referred to but not defined
TiddlyWiki.prototype.getMissingLinks = function(sortField)
{
	if(!this.tiddlersUpdated)
		this.updateTiddlers();
	var results = [];
	this.forEachTiddler(function (title,tiddler) {
		if(tiddler.isTagged("excludeMissing") || tiddler.isTagged("systemConfig"))
			return;
		for(var n=0; n<tiddler.links.length;n++) {
			var link = tiddler.links[n];
			if(this.fetchTiddler(link) == null && !this.isShadowTiddler(link))
				results.pushUnique(link);
		}
	});
	results.sort();
	return results;
};

// Return an array of names of tiddlers that are defined but not referred to
TiddlyWiki.prototype.getOrphans = function()
{
	var results = [];
	this.forEachTiddler(function (title,tiddler) {
		if(this.getReferringTiddlers(title).length == 0 && !tiddler.isTagged("excludeLists"))
			results.push(title);
	});
	results.sort();
	return results;
};

// Return an array of names of all the shadow tiddlers
TiddlyWiki.prototype.getShadowed = function()
{
	var results = [];
	for(var t in config.shadowTiddlers) {
		if(typeof config.shadowTiddlers[t] == "string")
			results.push(t);
	}
	results.sort();
	return results;
};

// Return an array of tiddlers that have been touched since they were downloaded or created
TiddlyWiki.prototype.getTouched = function()
{
	var results = [];
	this.forEachTiddler(function(title,tiddler) {
		if(tiddler.isTouched())
			results.push(tiddler);
		});
	results.sort();
	return results;
};

// Resolves a Tiddler reference or tiddler title into a Tiddler object, or null if it doesn't exist
TiddlyWiki.prototype.resolveTiddler = function(tiddler)
{
	var t = (typeof tiddler == 'string') ? this.getTiddler(tiddler) : tiddler;
	return t instanceof Tiddler ? t : null;
};

TiddlyWiki.prototype.getLoader = function()
{
	if(!this.loader)
		this.loader = new TW21Loader();
	return this.loader;
};

TiddlyWiki.prototype.getSaver = function()
{
	if(!this.saver)
		this.saver = new TW21Saver();
	return this.saver;
};

// Returns true if path is a valid field name (path),
// i.e. a sequence of identifiers, separated by '.'
TiddlyWiki.isValidFieldName = function(name)
{
	var match = /[a-zA-Z_]\w*(\.[a-zA-Z_]\w*)*/.exec(name);
	return match && (match[0] == name);
};

// Throws an exception when name is not a valid field name.
TiddlyWiki.checkFieldName = function(name)
{
	if(!TiddlyWiki.isValidFieldName(name))
		throw config.messages.invalidFieldName.format([name]);
};

function StringFieldAccess(n,readOnly)
{
	this.set = readOnly ?
			function(t,v) {if(v != t[n]) throw config.messages.fieldCannotBeChanged.format([n]);} :
			function(t,v) {if(v != t[n]) {t[n] = v; return true;}};
	this.get = function(t) {return t[n];};
}

function DateFieldAccess(n)
{
	this.set = function(t,v) {
		var d = v instanceof Date ? v : Date.convertFromYYYYMMDDHHMM(v);
		if(d != t[n]) {
			t[n] = d; return true;
		}
	};
	this.get = function(t) {return t[n].convertToYYYYMMDDHHMM();};
}

function LinksFieldAccess(n)
{
	this.set = function(t,v) {
		var s = (typeof v == "string") ? v.readBracketedList() : v;
		if(s.toString() != t[n].toString()) {
			t[n] = s; return true;
		}
	};
	this.get = function(t) {return String.encodeTiddlyLinkList(t[n]);};
}

TiddlyWiki.standardFieldAccess = {
	// The set functions return true when setting the data has changed the value.
	"title":    new StringFieldAccess("title",true),
	// Handle the "tiddler" field name as the title
	"tiddler":  new StringFieldAccess("title",true),
	"text":     new StringFieldAccess("text"),
	"modifier": new StringFieldAccess("modifier"),
	"modified": new DateFieldAccess("modified"),
	"created":  new DateFieldAccess("created"),
	"tags":     new LinksFieldAccess("tags")
};

TiddlyWiki.isStandardField = function(name)
{
	return TiddlyWiki.standardFieldAccess[name] != undefined;
};

// Sets the value of the given field of the tiddler to the value.
// Setting an ExtendedField's value to null or undefined removes the field.
// Setting a namespace to undefined removes all fields of that namespace.
// The fieldName is case-insensitive.
// All values will be converted to a string value.
TiddlyWiki.prototype.setValue = function(tiddler,fieldName,value)
{
	TiddlyWiki.checkFieldName(fieldName);
	var t = this.resolveTiddler(tiddler);
	if(!t)
		return;
	fieldName = fieldName.toLowerCase();
	var isRemove = (value === undefined) || (value === null);
	var accessor = TiddlyWiki.standardFieldAccess[fieldName];
	if(accessor) {
		if(isRemove)
			// don't remove StandardFields
			return;
		var h = TiddlyWiki.standardFieldAccess[fieldName];
		if(!h.set(t,value))
			return;
	} else {
		var oldValue = t.fields[fieldName];
		if(isRemove) {
			if(oldValue !== undefined) {
				// deletes a single field
				delete t.fields[fieldName];
			} else {
				// no concrete value is defined for the fieldName
				// so we guess this is a namespace path.
				// delete all fields in a namespace
				var re = new RegExp('^'+fieldName+'\\.');
				var dirty = false;
				for(var n in t.fields) {
					if(n.match(re)) {
						delete t.fields[n];
						dirty = true;
					}
				}
				if(!dirty)
					return;
			}
		} else {
			// the "normal" set case. value is defined (not null/undefined)
			// For convenience provide a nicer conversion Date->String
			value = value instanceof Date ? value.convertToYYYYMMDDHHMMSSMMM() : String(value);
			if(oldValue == value)
				return;
			t.fields[fieldName] = value;
		}
	}
	// When we are here the tiddler/store really was changed.
	this.notify(t.title,true);
	if(!fieldName.match(/^temp\./))
		this.setDirty(true);
};

// Returns the value of the given field of the tiddler.
// The fieldName is case-insensitive.
// Will only return String values (or undefined).
TiddlyWiki.prototype.getValue = function(tiddler,fieldName)
{
	var t = this.resolveTiddler(tiddler);
	if(!t)
		return undefined;
	fieldName = fieldName.toLowerCase();
	var accessor = TiddlyWiki.standardFieldAccess[fieldName];
	if(accessor) {
		return accessor.get(t);
	}
	return t.fields[fieldName];
};

// Calls the callback function for every field in the tiddler.
// When callback function returns a non-false value the iteration stops
// and that value is returned.
// The order of the fields is not defined.
// @param callback a function(tiddler,fieldName,value).
TiddlyWiki.prototype.forEachField = function(tiddler,callback,onlyExtendedFields)
{
	var t = this.resolveTiddler(tiddler);
	if(!t)
		return undefined;
	for(var n in t.fields) {
		var result = callback(t,n,t.fields[n]);
		if(result)
			return result;
		}
	if(onlyExtendedFields)
		return undefined;
	for(var n in TiddlyWiki.standardFieldAccess) {
		if(n == "tiddler")
			// even though the "title" field can also be referenced through the name "tiddler"
			// we only visit this field once.
			continue;
		var result = callback(t,n,TiddlyWiki.standardFieldAccess[n].get(t));
		if(result)
			return result;
	}
	return undefined;
};

//--
//-- Story functions
//--

function Story(container,idPrefix)
{
	this.container = container;
	this.idPrefix = idPrefix;
	this.highlightRegExp = null;
}

Story.prototype.forEachTiddler = function(fn)
{
	var place = document.getElementById(this.container);
	if(!place)
		return;
	var e = place.firstChild;
	while(e) {
		var n = e.nextSibling;
		var title = e.getAttribute("tiddler");
		fn.call(this,title,e);
		e = n;
	}
};

Story.prototype.displayTiddlers = function(srcElement,titles,template,animate,unused,customFields,toggle)
{
	for(var t = titles.length-1;t>=0;t--)
		this.displayTiddler(srcElement,titles[t],template,animate,unused,customFields);
};

Story.prototype.displayTiddler = function(srcElement,title,template,animate,unused,customFields,toggle)
{
	var place = document.getElementById(this.container);
	var tiddlerElem = document.getElementById(this.idPrefix + title);
	if(tiddlerElem) {
		if(toggle)
			this.closeTiddler(title,true);
		else
			this.refreshTiddler(title,template,false,customFields);
	} else {
		var before = this.positionTiddler(srcElement);
		tiddlerElem = this.createTiddler(place,before,title,template,customFields);
	}
	if(srcElement && typeof srcElement !== "string") {
		if(config.options.chkAnimate && (animate == undefined || animate == true) && anim && typeof Zoomer == "function" && typeof Scroller == "function")
			anim.startAnimating(new Zoomer(title,srcElement,tiddlerElem),new Scroller(tiddlerElem));
		else
			window.scrollTo(0,ensureVisible(tiddlerElem));
	}
};

Story.prototype.positionTiddler = function(srcElement)
{
	var place = document.getElementById(this.container);
	var before = null;
	if(typeof srcElement == "string") {
		switch(srcElement) {
			case "top":
				before = place.firstChild;
				break;
			case "bottom":
				before = null;
				break;
		}
	} else {
		var after = this.findContainingTiddler(srcElement);
		if(after == null) {
			before = place.firstChild;
		} else if(after.nextSibling) {
			before = after.nextSibling;
			if(before.nodeType != 1)
				before = null;
		}
	}
	return before;
};

Story.prototype.createTiddler = function(place,before,title,template,customFields)
{
	var tiddlerElem = createTiddlyElement(null,"div",this.idPrefix + title,"tiddler");
	tiddlerElem.setAttribute("refresh","tiddler");
	if(customFields)
		tiddlerElem.setAttribute("tiddlyFields",customFields);
	place.insertBefore(tiddlerElem,before);
	var defaultText = null;
	if(!store.tiddlerExists(title) && !store.isShadowTiddler(title))
		defaultText = this.loadMissingTiddler(title,customFields,tiddlerElem);
	this.refreshTiddler(title,template,false,customFields,defaultText);
	return tiddlerElem;
};

Story.prototype.loadMissingTiddler = function(title,fields,tiddlerElem)
{
	var tiddler = new Tiddler(title);
	tiddler.fields = typeof fields == "string" ?  fields.decodeHashMap() : (fields ? fields : {});
	var serverType = tiddler.getServerType();
	var host = tiddler.fields['server.host'];
	var workspace = tiddler.fields['server.workspace'];
	if(!serverType | !host)
		return null;
	var sm = new SyncMachine(serverType,{
			start: function() {
				return this.openHost(host,"openWorkspace");
			},
			openWorkspace: function() {
				return this.openWorkspace(workspace,"getTiddler");
			},
			getTiddler: function() {
				return this.getTiddler(title,"gotTiddler");
			},
			gotTiddler: function(tiddler) {
				if(tiddler && tiddler.text) {
					var downloaded = new Date();
					if(!tiddler.created)
						tiddler.created = downloaded;
					if(!tiddler.modified)
						tiddler.modified = tiddler.created;
					store.saveTiddler(tiddler.title,tiddler.title,tiddler.text,tiddler.modifier,tiddler.modified,tiddler.tags,tiddler.fields,true,tiddler.created);
					autoSaveChanges();
				}
				delete this;
				return true;
			},
			error: function(message) {
				displayMessage("Error loading missing tiddler from %0: %1".format([host,message]));
			}
		});
	sm.go();
	return config.messages.loadingMissingTiddler.format([title,serverType,host,workspace]);
};

Story.prototype.chooseTemplateForTiddler = function(title,template)
{
	if(!template)
		template = DEFAULT_VIEW_TEMPLATE;
	if(template == DEFAULT_VIEW_TEMPLATE || template == DEFAULT_EDIT_TEMPLATE)
		template = config.tiddlerTemplates[template];
	return template;
};

Story.prototype.getTemplateForTiddler = function(title,template,tiddler)
{
	return store.getRecursiveTiddlerText(template,null,10);
};

Story.prototype.refreshTiddler = function(title,template,force,customFields,defaultText)
{
	var tiddlerElem = document.getElementById(this.idPrefix + title);
	if(tiddlerElem) {
		if(tiddlerElem.getAttribute("dirty") == "true" && !force)
			return tiddlerElem;
		template = this.chooseTemplateForTiddler(title,template);
		var currTemplate = tiddlerElem.getAttribute("template");
		if((template != currTemplate) || force) {
			var tiddler = store.getTiddler(title);
			if(!tiddler) {
				tiddler = new Tiddler();
				if(store.isShadowTiddler(title)) {
					tiddler.set(title,store.getTiddlerText(title),config.views.wikified.shadowModifier,version.date,[],version.date);
				} else {
					var text = template=="EditTemplate" ?
								config.views.editor.defaultText.format([title]) :
								config.views.wikified.defaultText.format([title]);
					text = defaultText ? defaultText : text;
					var fields = customFields ? customFields.decodeHashMap() : null;
					tiddler.set(title,text,config.views.wikified.defaultModifier,version.date,[],version.date,fields);
				}
			}
			tiddlerElem.setAttribute("tags",tiddler.tags.join(" "));
			tiddlerElem.setAttribute("tiddler",title);
			tiddlerElem.setAttribute("template",template);
			var me = this;
			tiddlerElem.onmouseover = this.onTiddlerMouseOver;
			tiddlerElem.onmouseout = this.onTiddlerMouseOut;
			tiddlerElem.ondblclick = this.onTiddlerDblClick;
			tiddlerElem[window.event?"onkeydown":"onkeypress"] = this.onTiddlerKeyPress;
			var html = this.getTemplateForTiddler(title,template,tiddler);
			tiddlerElem.innerHTML = html;
			applyHtmlMacros(tiddlerElem,tiddler);
			if(store.getTaggedTiddlers(title).length > 0)
				addClass(tiddlerElem,"isTag");
			else
				removeClass(tiddlerElem,"isTag");
			if(!store.tiddlerExists(title)) {
				if(store.isShadowTiddler(title))
					addClass(tiddlerElem,"shadow");
				else
					addClass(tiddlerElem,"missing");
			} else {
				removeClass(tiddlerElem,"shadow");
				removeClass(tiddlerElem,"missing");
			}
			if(customFields)
				this.addCustomFields(tiddlerElem,customFields);
			forceReflow();
		}
	}
	return tiddlerElem;
};

Story.prototype.addCustomFields = function(place,customFields)
{
	var fields = customFields.decodeHashMap();
	var w = document.createElement("div");
	w.style.display = "none";
	place.appendChild(w);
	for(var t in fields) {
		var e = document.createElement("input");
		e.setAttribute("type","text");
		e.setAttribute("value",fields[t]);
		w.appendChild(e);
		e.setAttribute("edit",t);
	}
};

Story.prototype.refreshAllTiddlers = function() 
{
	var place = document.getElementById(this.container);
	var e = place.firstChild;
	if(!e)
		return;
	this.refreshTiddler(e.getAttribute("tiddler"),e.getAttribute("template"),true);
	while((e = e.nextSibling) != null) 
		this.refreshTiddler(e.getAttribute("tiddler"),e.getAttribute("template"),true);
};

Story.prototype.onTiddlerMouseOver = function(e)
{
	if(window.addClass instanceof Function)
		addClass(this,"selected");
};

Story.prototype.onTiddlerMouseOut = function(e)
{
	if(window.removeClass instanceof Function)
		removeClass(this,"selected");
};

Story.prototype.onTiddlerDblClick = function(e)
{
	if(!e) var e = window.event;
	var theTarget = resolveTarget(e);
	if(theTarget && theTarget.nodeName.toLowerCase() != "input" && theTarget.nodeName.toLowerCase() != "textarea") {
		if(document.selection && document.selection.empty)
			document.selection.empty();
		config.macros.toolbar.invokeCommand(this,"defaultCommand",e);
		e.cancelBubble = true;
		if(e.stopPropagation) e.stopPropagation();
		return true;
	} else {
		return false;
	}
};

Story.prototype.onTiddlerKeyPress = function(e)
{
	if(!e) var e = window.event;
	clearMessage();
	var consume = false; 
	var title = this.getAttribute("tiddler");
	var target = resolveTarget(e);
	switch(e.keyCode) {
		case 9: // Tab
			if(config.options.chkInsertTabs && target.tagName.toLowerCase() == "textarea") {
				replaceSelection(target,String.fromCharCode(9));
				consume = true; 
			}
			if(config.isOpera) {
				target.onblur = function() {
					this.focus();
					this.onblur = null;
				};
			}
			break;
		case 13: // Ctrl-Enter
		case 10: // Ctrl-Enter on IE PC
		case 77: // Ctrl-Enter is "M" on some platforms
			if(e.ctrlKey) {
				blurElement(this);
				config.macros.toolbar.invokeCommand(this,"defaultCommand",e);
				consume = true;
			}
			break; 
		case 27: // Escape
			blurElement(this);
			config.macros.toolbar.invokeCommand(this,"cancelCommand",e);
			consume = true;
			break;
	}
	e.cancelBubble = consume;
	if(consume) {
		if(e.stopPropagation) e.stopPropagation(); // Stop Propagation
		e.returnValue = true; // Cancel The Event in IE
		if(e.preventDefault ) e.preventDefault(); // Cancel The Event in Moz
	}
	return !consume;
};

Story.prototype.getTiddlerField = function(title,field)
{
	var tiddlerElem = document.getElementById(this.idPrefix + title);
	var e = null;
	if(tiddlerElem != null) {
		var children = tiddlerElem.getElementsByTagName("*");
		for(var t=0; t<children.length; t++) {
			var c = children[t];
			if(c.tagName.toLowerCase() == "input" || c.tagName.toLowerCase() == "textarea") {
				if(!e)
					e = c;
				if(c.getAttribute("edit") == field)
					e = c;
			}
		}
	}
	return e;
};

Story.prototype.focusTiddler = function(title,field)
{
	var e = this.getTiddlerField(title,field);
	if(e) {
		e.focus();
		e.select();
	}
};

Story.prototype.blurTiddler = function(title)
{
	var tiddlerElem = document.getElementById(this.idPrefix + title);
	if(tiddlerElem != null && tiddlerElem.focus && tiddlerElem.blur) {
		tiddlerElem.focus();
		tiddlerElem.blur();
	}
};

Story.prototype.setTiddlerField = function(title,tag,mode,field)
{
	var c = story.getTiddlerField(title,field);

	var tags = c.value.readBracketedList();
	tags.setItem(tag,mode);
	c.value = String.encodeTiddlyLinkList(tags);
};

Story.prototype.setTiddlerTag = function(title,tag,mode)
{
	Story.prototype.setTiddlerField(title,tag,mode,"tags");
};

Story.prototype.closeTiddler = function(title,animate,unused)
{
	var tiddlerElem = document.getElementById(this.idPrefix + title);
	if(tiddlerElem != null) {
		clearMessage();
		this.scrubTiddler(tiddlerElem);
		if(config.options.chkAnimate && animate && anim && typeof Slider == "function")
			anim.startAnimating(new Slider(tiddlerElem,false,null,"all"));
		else {
			removeNode(tiddlerElem);
			forceReflow();
		}
	}
};

Story.prototype.scrubTiddler = function(tiddlerElem)
{
	tiddlerElem.id = null;
};

Story.prototype.setDirty = function(title,dirty)
{
	var tiddlerElem = document.getElementById(this.idPrefix + title);
	if(tiddlerElem != null)
		tiddlerElem.setAttribute("dirty",dirty ? "true" : "false");
};

Story.prototype.isDirty = function(title)
{
	var tiddlerElem = document.getElementById(this.idPrefix + title);
	if(tiddlerElem != null)
		return tiddlerElem.getAttribute("dirty") == "true";
	return null;
};

Story.prototype.areAnyDirty = function()
{
	var r = false;
	this.forEachTiddler(function(title,element) {
		if(this.isDirty(title))
			r = true;
	});
	return r;
};

Story.prototype.closeAllTiddlers = function(exclude)
{
	clearMessage();
	this.forEachTiddler(function(title,element) {
		if((title != exclude) && element.getAttribute("dirty") != "true")
			this.closeTiddler(title);
	});
	window.scrollTo(0,ensureVisible(this.container));
};

Story.prototype.isEmpty = function()
{
	var place = document.getElementById(this.container);
	return place && place.firstChild == null;
};

Story.prototype.search = function(text,useCaseSensitive,useRegExp)
{
	this.closeAllTiddlers();
	highlightHack = new RegExp(useRegExp ?	 text : text.escapeRegExp(),useCaseSensitive ? "mg" : "img");
	var matches = store.search(highlightHack,"title","excludeSearch");
	var titles = [];
	for(var t=0;t<matches.length;t++)
		titles.push(matches[t].title);
	this.displayTiddlers(null,titles);
	highlightHack = null;
	var q = useRegExp ? "/" : "'";
	if(matches.length > 0)
		displayMessage(config.macros.search.successMsg.format([titles.length.toString(),q + text + q]));
	else
		displayMessage(config.macros.search.failureMsg.format([q + text + q]));
};

Story.prototype.findContainingTiddler = function(e)
{
	while(e && !hasClass(e,"tiddler"))
		e = e.parentNode;
	return e;
};

Story.prototype.gatherSaveFields = function(e,fields)
{
	if(e && e.getAttribute) {
		var f = e.getAttribute("edit");
		if(f)
			fields[f] = e.value.replace(/\r/mg,"");
		if(e.hasChildNodes()) {
			var c = e.childNodes;
			for(var t=0; t<c.length; t++)
				this.gatherSaveFields(c[t],fields);
		}
	}
};

Story.prototype.hasChanges = function(title)
{
	var e = document.getElementById(this.idPrefix + title);
	if(e != null) {
		var fields = {};
		this.gatherSaveFields(e,fields);
		var tiddler = store.fetchTiddler(title);
		if(!tiddler)
			return false;
		for(var n in fields) {
			if(store.getValue(title,n) != fields[n])
				return true;
		}
	}
	return false;
};

Story.prototype.saveTiddler = function(title,minorUpdate)
{
	var tiddlerElem = document.getElementById(this.idPrefix + title);
	if(tiddlerElem != null) {
		var fields = {};
		this.gatherSaveFields(tiddlerElem,fields);
		var newTitle = fields.title ? fields.title : title;
		if(store.tiddlerExists(newTitle) && newTitle != title) {
			if(!confirm(config.messages.overwriteWarning.format([newTitle.toString()])))
				return null;
		}
		if(newTitle != title)
			this.closeTiddler(newTitle,false);
		tiddlerElem.id = this.idPrefix + newTitle;
		tiddlerElem.setAttribute("tiddler",newTitle);
		tiddlerElem.setAttribute("template",DEFAULT_VIEW_TEMPLATE);
		tiddlerElem.setAttribute("dirty","false");
		if(config.options.chkForceMinorUpdate)
			minorUpdate = !minorUpdate;
		if(!store.tiddlerExists(newTitle))
			minorUpdate = false;
		var newDate = new Date();
		var extendedFields = store.tiddlerExists(newTitle) ? store.fetchTiddler(newTitle).fields : {};
		for(var n in fields) {
			if(!TiddlyWiki.isStandardField(n))
				extendedFields[n] = fields[n];
			}
		var tiddler = store.saveTiddler(title,newTitle,fields.text,minorUpdate ? undefined : config.options.txtUserName,minorUpdate ? undefined : newDate,fields.tags,extendedFields);
		autoSaveChanges(null,[tiddler]);
		return newTitle;
	}
	return null;
};

Story.prototype.permaView = function()
{
	var links = [];
	this.forEachTiddler(function(title,element) {
		links.push(String.encodeTiddlyLink(title));
	});
	var t = encodeURIComponent(links.join(" "));
	if(t == "")
		t = "#";
	if(window.location.hash != t)
		window.location.hash = t;
};

//--
//-- Backstage
//--

var backstage = {
	area: null,
	toolbar: null,
	button: null,
	showButton: null,
	hideButton: null,
	cloak: null,
	panel: null,
	panelBody: null,
	panelFooter: null,
	currTabName: null,
	currTabElem: null,
	content: null,

	init: function() {
		var cmb = config.messages.backstage;
		this.area = document.getElementById("backstageArea");
		this.toolbar = document.getElementById("backstageToolbar");
		this.button = document.getElementById("backstageButton");
		this.button.style.display = "block";
		var t = cmb.open.text + " " + glyph("bentArrowLeft");
		this.showButton = createTiddlyButton(this.button,t,cmb.open.tooltip,
						function (e) {backstage.show(); return false;},null,"backstageShow");
		t = glyph("bentArrowRight") + " " + cmb.close.text;
		this.hideButton = createTiddlyButton(this.button,t,cmb.close.tooltip,
						function (e) {backstage.hide(); return false;},null,"backstageHide");
		this.cloak = document.getElementById("backstageCloak");
		this.panel = document.getElementById("backstagePanel");
		this.panelFooter = createTiddlyElement(this.panel,"div",null,"backstagePanelFooter");
		this.panelBody = createTiddlyElement(this.panel,"div",null,"backstagePanelBody");
		this.cloak.onmousedown = function(e) {
			backstage.switchTab(null);
		};
		createTiddlyText(this.toolbar,cmb.prompt);
		for(t=0; t<config.backstageTasks.length; t++) {
			var taskName = config.backstageTasks[t];
			var task = config.tasks[taskName];
			var handler = task.action ? this.onClickCommand : this.onClickTab;
			var text = task.text + (task.action ? "" : glyph("downTriangle"));
			var btn = createTiddlyButton(this.toolbar,text,task.tooltip,handler,"backstageTab");
			btn.setAttribute("task",taskName);
			addClass(btn,task.action ? "backstageAction" : "backstageTask");
			}
		this.content = document.getElementById("contentWrapper");
		if(config.options.chkBackstage)
			this.show();
		else
			this.hide();
	},
	
	isVisible: function () {
		return this.area ? this.area.style.display == "block" : false;
	},
	
	show: function() {
		this.area.style.display = "block";
		if(anim && config.options.chkAnimate) {
			backstage.toolbar.style.left = findWindowWidth() + "px";
			var p = [
				{style: "left", start: findWindowWidth(), end: 0, template: "%0px"}
			];
			anim.startAnimating(new Morpher(backstage.toolbar,config.animDuration,p));
		} else {
			backstage.area.style.left = "0px";
		}
		this.showButton.style.display = "none";
		this.hideButton.style.display = "block";
		config.options.chkBackstage = true;
		saveOptionCookie("chkBackstage");
		addClass(this.content,"backstageVisible");
	},

	hide: function() {
		if(this.currTabElem) {
			this.switchTab(null);
		} else {
			backstage.toolbar.style.left = "0px";
			if(anim && config.options.chkAnimate) {
				var p = [
					{style: "left", start: 0, end: findWindowWidth(), template: "%0px"}
				];
				var c = function(element,properties) {backstage.area.style.display = "none";};
				anim.startAnimating(new Morpher(backstage.toolbar,config.animDuration,p,c));
			} else {
				this.area.style.display = "none";
			}
			this.showButton.style.display = "block";
			this.hideButton.style.display = "none";
			config.options.chkBackstage = false;
			saveOptionCookie("chkBackstage");
			removeClass(this.content,"backstageVisible");
		}
	},

	onClickCommand: function(e) {
		var task = config.tasks[this.getAttribute("task")];
		displayMessage(task);
		if(task.action) {
			backstage.switchTab(null);
			task.action();
		}
		return false;
	},

	onClickTab: function(e) {
		backstage.switchTab(this.getAttribute("task"));
		return false;
	},

	// Switch to a given tab, or none if null is passed
	switchTab: function(tabName) {
		var tabElem = null;
		var e = this.toolbar.firstChild;
		while(e)
			{
			if(e.getAttribute && e.getAttribute("task") == tabName)
				tabElem = e;
			e = e.nextSibling;
			}
		if(tabName == backstage.currTabName)
			return;
		if(backstage.currTabElem) {
			removeClass(this.currTabElem,"backstageSelTab");
		}
		if(tabElem && tabName) {
			backstage.preparePanel();
			addClass(tabElem,"backstageSelTab");
			var task = config.tasks[tabName];
			wikify(task.content,backstage.panelBody,null,null);
			backstage.showPanel();
		} else if(backstage.currTabElem) {
			backstage.hidePanel();
		}
		backstage.currTabName = tabName;
		backstage.currTabElem = tabElem;
	},

	isPanelVisible: function() {
		return backstage.panel ? backstage.panel.style.display == "block" : false;
	},

	preparePanel: function() {
		backstage.cloak.style.height = findWindowHeight() + "px";
		backstage.cloak.style.display = "block";
		removeChildren(backstage.panelBody);
		return backstage.panelBody;
	},
	
	showPanel: function() {
		backstage.panel.style.display = "block";
		if(anim && config.options.chkAnimate) {
			backstage.panel.style.top = (-backstage.panel.offsetHeight) + "px";
			var p = [
				{style: "top", start: -backstage.panel.offsetHeight, end: 0, template: "%0px"}
			];
			anim.startAnimating(new Morpher(backstage.panel,config.animDuration,p),new Scroller(backstage.panel,false));
		} else {
			backstage.panel.style.top = "0px";
		}
		return backstage.panelBody;
	},
	
	hidePanel: function() {
		backstage.currTabName = null;
		backstage.currTabElem = null;
		if(anim && config.options.chkAnimate) {
			var p = [
				{style: "top", start: 0, end: -(backstage.panel.offsetHeight), template: "%0px"},
				{style: "display", atEnd: "none"}
			];
			var c = function(element,properties) {backstage.cloak.style.display = "none";};
			anim.startAnimating(new Morpher(backstage.panel,config.animDuration,p,c));
		 } else {
			backstage.panel.style.display = "none";
			backstage.cloak.style.display = "none";
		}
	}
};

config.macros.backstage = {};

config.macros.backstage.handler = function(place,macroName,params,wikifier,paramString,tiddler)
{
	var backstageTask = config.tasks[params[0]];
	if(backstageTask)
		createTiddlyButton(place,backstageTask.text,backstageTask.tooltip,function(e) {backstage.switchTab(params[0]); return false;});
};

//--
//-- ImportTiddlers macro
//--

config.macros.importTiddlers.handler = function(place,macroName,params,wikifier,paramString,tiddler)
{
	if(readOnly) {
		createTiddlyElement(place,"div",null,"marked",this.readOnlyWarning);
		return;
	}
	var w = new Wizard();
	w.createWizard(place,this.wizardTitle);
	this.restart(w);
};

config.macros.importTiddlers.onCancel = function(e)
{
	var wizard = new Wizard(this);
	var place = wizard.clear();
	config.macros.importTiddlers.restart(wizard);
	return false;
};

config.macros.importTiddlers.restart = function(wizard)
{
	wizard.addStep(this.step1Title,this.step1Html);
	var s = wizard.getElement("selTypes");
	for(var t in config.adaptors) {
		var e = createTiddlyElement(s,"option",null,null,t);
		e.value = t;
	}
	s = wizard.getElement("selFeeds");
	var feeds = this.getFeeds();
	for(t in feeds) {
		e = createTiddlyElement(s,"option",null,null,t);
		e.value = t;
	}
	wizard.setValue("feeds",feeds);
	s.onchange = config.macros.importTiddlers.onFeedChange;
	var fileInput = wizard.getElement("txtBrowse");
	fileInput.onchange = config.macros.importTiddlers.onBrowseChange;
	fileInput.onkeyup = config.macros.importTiddlers.onBrowseChange;
	wizard.setButtons([{caption: this.openLabel, tooltip: this.openPrompt, onClick: config.macros.importTiddlers.onOpen}]);
};

config.macros.importTiddlers.getFeeds = function()
{
	var feeds = {};
	var tagged = store.getTaggedTiddlers("systemServer","title");
	for(var t=0; t<tagged.length; t++) {
		var title = tagged[t].title;
		var serverType = store.getTiddlerSlice(title,"Type");
		if(!serverType)
			serverType = "file";
		feeds[title] = {title: title,
						url: store.getTiddlerSlice(title,"URL"),
						workspace: store.getTiddlerSlice(title,"Workspace"),
						workspaceList: store.getTiddlerSlice(title,"WorkspaceList"),
						tiddlerFilter: store.getTiddlerSlice(title,"TiddlerFilter"),
						serverType: serverType,
						description: store.getTiddlerSlice(title,"Description")};
	}
	return feeds;
};

config.macros.importTiddlers.onFeedChange = function(e)
{
	var wizard = new Wizard(this);
	var selTypes = wizard.getElement("selTypes");
	var fileInput = wizard.getElement("txtPath");
	var feeds = wizard.getValue("feeds");
	var f = feeds[this.value];
	if(f) {
		selTypes.value = f.serverType;
		fileInput.value = f.url;
		this.selectedIndex = 0;
		wizard.setValue("feedName",f.serverType);
		wizard.setValue("feedHost",f.url);
		wizard.setValue("feedWorkspace",f.workspace);
		wizard.setValue("feedWorkspaceList",f.workspaceList);
		wizard.setValue("feedTiddlerFilter",f.tiddlerFilter);
	}
	return false;
};

config.macros.importTiddlers.onBrowseChange = function(e)
{
	var wizard = new Wizard(this);
	var fileInput = wizard.getElement("txtPath");
	fileInput.value = "file://" + this.value;
	var serverType = wizard.getElement("selTypes");
	serverType.value = "file";
	return false;
};

config.macros.importTiddlers.onOpen = function(e)
{
	var wizard = new Wizard(this);
	var fileInput = wizard.getElement("txtPath");
	var url = fileInput.value;
	var serverType = wizard.getElement("selTypes").value;
	var adaptor = new config.adaptors[serverType];
	wizard.setValue("adaptor",adaptor);
	wizard.setValue("serverType",serverType);
	wizard.setValue("host",url);
	var context = {};
	var ret = adaptor.openHost(url,context,wizard,config.macros.importTiddlers.onOpenHost);
	if(ret !== true)
		displayMessage(ret);
	wizard.setButtons([{caption: config.macros.importTiddlers.cancelLabel, tooltip: config.macros.importTiddlers.cancelPrompt, onClick: config.macros.importTiddlers.onCancel}],config.macros.importTiddlers.statusOpenHost);
	return false;
};

config.macros.importTiddlers.onOpenHost = function(context,wizard)
{
	var adaptor = wizard.getValue("adaptor");
	if(context.status !== true)
		displayMessage("Error in importTiddlers.onOpenHost: " + context.statusText);
	var ret = adaptor.getWorkspaceList(context,wizard,config.macros.importTiddlers.onGetWorkspaceList);
	if(ret !== true)
		displayMessage(ret);
	wizard.setButtons([{caption: config.macros.importTiddlers.cancelLabel, tooltip: config.macros.importTiddlers.cancelPrompt, onClick: config.macros.importTiddlers.onCancel}],config.macros.importTiddlers.statusGetWorkspaceList);
};

config.macros.importTiddlers.onGetWorkspaceList = function(context,wizard)
{
	if(context.status !== true)
		displayMessage("Error in importTiddlers.onGetWorkspaceList: " + context.statusText);
	wizard.addStep(config.macros.importTiddlers.step2Title,config.macros.importTiddlers.step2Html);
	var s = wizard.getElement("selWorkspace");
	s.onchange = config.macros.importTiddlers.onWorkspaceChange;
	for(var t=0; t<context.workspaces.length; t++) {
		var e = createTiddlyElement(s,"option",null,null,context.workspaces[t].title);
		e.value = context.workspaces[t].title;
	}
	var workspaceList = wizard.getValue("feedWorkspaceList");
	if(workspaceList) {
		var list = workspaceList.parseParams("workspace",null,false,true);
		for(var n=1; n<list.length; n++) {
			if(context.workspaces.findByField("title",list[n].value) == null) {
				e = createTiddlyElement(s,"option",null,null,list[n].value);
				e.value = list[n].value;
			}
		}
	}
	var workspace = wizard.getValue("feedWorkspace");
	if(workspace) {
		t = wizard.getElement("txtWorkspace");
		t.value = workspace;
	}
	wizard.setButtons([{caption: config.macros.importTiddlers.openLabel, tooltip: config.macros.importTiddlers.openPrompt, onClick: config.macros.importTiddlers.onChooseWorkspace}]);
};

config.macros.importTiddlers.onWorkspaceChange = function(e)
{
	var wizard = new Wizard(this);
	var t = wizard.getElement("txtWorkspace");
	t.value  = this.value;
	this.selectedIndex = 0;
	return false;
};

config.macros.importTiddlers.onChooseWorkspace = function(e)
{
	var wizard = new Wizard(this);
	var adaptor = wizard.getValue("adaptor");
	var workspace = wizard.getElement("txtWorkspace").value;
	wizard.setValue("workspace",workspace);
	var context = {};
	var ret = adaptor.openWorkspace(workspace,context,wizard,config.macros.importTiddlers.onOpenWorkspace);
	if(ret !== true)
		displayMessage(ret);
	wizard.setButtons([{caption: config.macros.importTiddlers.cancelLabel, tooltip: config.macros.importTiddlers.cancelPrompt, onClick: config.macros.importTiddlers.onCancel}],config.macros.importTiddlers.statusOpenWorkspace);
	return false;
};

config.macros.importTiddlers.onOpenWorkspace = function(context,wizard)
{
	if(context.status !== true)
		displayMessage("Error in importTiddlers.onOpenWorkspace: " + context.statusText);
	var adaptor = wizard.getValue("adaptor");
	var ret = adaptor.getTiddlerList(context,wizard,config.macros.importTiddlers.onGetTiddlerList,wizard.getValue("feedTiddlerFilter"));
	if(ret !== true)
		displayMessage(ret);
	wizard.setButtons([{caption: config.macros.importTiddlers.cancelLabel, tooltip: config.macros.importTiddlers.cancelPrompt, onClick: config.macros.importTiddlers.onCancel}],config.macros.importTiddlers.statusGetTiddlerList);
};

config.macros.importTiddlers.onGetTiddlerList = function(context,wizard)
{
	if(context.status !== true)
		displayMessage("Error in importTiddlers.onGetTiddlerList: " + context.statusText);
	// Extract data for the listview
	var listedTiddlers = [];
	if(context.tiddlers) {
		for(var n=0; n<context.tiddlers.length; n++) {
			var tiddler = context.tiddlers[n];
			listedTiddlers.push({
				title: tiddler.title,
				modified: tiddler.modified,
				modifier: tiddler.modifier,
				text: tiddler.text ? wikifyPlainText(tiddler.text,100) : "",
				tags: tiddler.tags,
				size: tiddler.text ? tiddler.text.length : 0,
				tiddler: tiddler
			});
		}
	}
	listedTiddlers.sort(function(a,b) {return a.title < b.title ? -1 : (a.title == b.title ? 0 : +1);});
	// Display the listview
	wizard.addStep(config.macros.importTiddlers.step3Title,config.macros.importTiddlers.step3Html);
	var markList = wizard.getElement("markList");
	var listWrapper = document.createElement("div");
	markList.parentNode.insertBefore(listWrapper,markList);
	var listView = ListView.create(listWrapper,listedTiddlers,config.macros.importTiddlers.listViewTemplate);
	wizard.setValue("listView",listView);
	var txtSaveTiddler = wizard.getElement("txtSaveTiddler");
	txtSaveTiddler.value = config.macros.importTiddlers.generateSystemServerName(wizard);
	wizard.setButtons([
			{caption: config.macros.importTiddlers.cancelLabel, tooltip: config.macros.importTiddlers.cancelPrompt, onClick: config.macros.importTiddlers.onCancel},
			{caption: config.macros.importTiddlers.importLabel, tooltip: config.macros.importTiddlers.importPrompt, onClick:  config.macros.importTiddlers.doImport}
		]);
};

config.macros.importTiddlers.generateSystemServerName = function(wizard)
{
	var serverType = wizard.getValue("serverType");
	var host = wizard.getValue("host");
	var workspace = wizard.getValue("workspace");
	var pattern = config.macros.importTiddlers[workspace ? "systemServerNamePattern" : "systemServerNamePatternNoWorkspace"];
	return pattern.format([serverType,host,workspace]);
};

config.macros.importTiddlers.saveServerTiddler = function(wizard)
{
	var txtSaveTiddler = wizard.getElement("txtSaveTiddler").value;
	if(store.tiddlerExists(txtSaveTiddler)) {
		if(!confirm(config.macros.importTiddlers.confirmOverwriteSaveTiddler.format([txtSaveTiddler])))
			return;
		store.suspendNotifications();
		store.removeTiddler(txtSaveTiddler);
		store.resumeNotifications();
	}
	var serverType = wizard.getValue("serverType");
	var host = wizard.getValue("host");
	var workspace = wizard.getValue("workspace");
	var text = config.macros.importTiddlers.serverSaveTemplate.format([serverType,host,workspace]);
	store.saveTiddler(txtSaveTiddler,txtSaveTiddler,text,config.macros.importTiddlers.serverSaveModifier,new Date(),["systemServer"]);
};

config.macros.importTiddlers.doImport = function(e)
{
	var wizard = new Wizard(this);
	if(wizard.getElement("chkSave").checked)
		config.macros.importTiddlers.saveServerTiddler(wizard);
	var chkSync = wizard.getElement("chkSync").checked;
	wizard.setValue("sync",chkSync);
	var listView = wizard.getValue("listView");
	var rowNames = ListView.getSelectedRows(listView);
	var adaptor = wizard.getValue("adaptor");
	var overwrite = new Array();
	var t;
	for(t=0; t<rowNames.length; t++) {
		if(store.tiddlerExists(rowNames[t]))
			overwrite.push(rowNames[t]);
	}
	if(overwrite.length > 0) {
		if(!confirm(config.macros.importTiddlers.confirmOverwriteText.format([overwrite.join(", ")])))
			return false;
	}
	wizard.addStep(config.macros.importTiddlers.step4Title.format([rowNames.length]),config.macros.importTiddlers.step4Html);
	for(t=0; t<rowNames.length; t++) {
		var link = document.createElement("div");
		createTiddlyLink(link,rowNames[t],true);
		var place = wizard.getElement("markReport");
		place.parentNode.insertBefore(link,place);
	}
	wizard.setValue("remainingImports",rowNames.length);
	wizard.setButtons([
			{caption: config.macros.importTiddlers.cancelLabel, tooltip: config.macros.importTiddlers.cancelPrompt, onClick: config.macros.importTiddlers.onCancel}
		],config.macros.importTiddlers.statusDoingImport);
	for(t=0; t<rowNames.length; t++) {
		var context = {};
		context.allowSynchronous = true;
		var inbound = adaptor.getTiddler(rowNames[t],context,wizard,config.macros.importTiddlers.onGetTiddler);
	}
	return false;
};

config.macros.importTiddlers.onGetTiddler = function(context,wizard)
{
	if(!context.status)
		displayMessage("Error in importTiddlers.onGetTiddler: " + context.statusText);
	var tiddler = context.tiddler;
	store.suspendNotifications();
	store.saveTiddler(tiddler.title, tiddler.title, tiddler.text, tiddler.modifier, tiddler.modified, tiddler.tags, tiddler.fields, true, tiddler.created);
	if(!wizard.getValue("sync")) {
		store.setValue(tiddler.title,'server',null);
	}
	store.resumeNotifications();
	if(!context.isSynchronous) 
		store.notify(tiddler.title,true);
	var remainingImports = wizard.getValue("remainingImports")-1;
	wizard.setValue("remainingImports",remainingImports);
	if(remainingImports == 0) {
		if(context.isSynchronous) {
			store.notifyAll();
			refreshDisplay();
		}
		wizard.setButtons([
				{caption: config.macros.importTiddlers.doneLabel, tooltip: config.macros.importTiddlers.donePrompt, onClick: config.macros.importTiddlers.onCancel}
			],config.macros.importTiddlers.statusDoneImport);
		autoSaveChanges();
	}
};

//--
//-- Sync macro
//--

// Synchronisation handlers
config.syncers = {};

// Sync state.
var currSync = null;

// sync macro
config.macros.sync.handler = function(place,macroName,params,wikifier,paramString,tiddler)
{
	if(!wikifier.isStatic)
		this.startSync(place);
};

config.macros.sync.startSync = function(place)
{
	if(currSync)
		config.macros.sync.cancelSync();
	currSync = {};
	currSync.syncList = this.getSyncableTiddlers();
	this.createSyncTasks();
	this.preProcessSyncableTiddlers();
	var wizard = new Wizard();
	currSync.wizard = wizard;
	wizard.createWizard(place,this.wizardTitle);
	wizard.addStep(this.step1Title,this.step1Html);
	var markList = wizard.getElement("markList");
	var listWrapper = document.createElement("div");
	markList.parentNode.insertBefore(listWrapper,markList);
	currSync.listView = ListView.create(listWrapper,currSync.syncList,this.listViewTemplate);
	this.processSyncableTiddlers();
	wizard.setButtons([
			{caption: this.syncLabel, tooltip: this.syncPrompt, onClick: this.doSync}
		]);
};

config.macros.sync.getSyncableTiddlers = function ()
{
	var list = [];
	store.forEachTiddler(function(title,tiddler) {
		var syncItem = {};
		syncItem.serverType = tiddler.getServerType();
		syncItem.serverHost = tiddler.fields['server.host'];
		syncItem.serverWorkspace = tiddler.fields['server.workspace'];
		syncItem.tiddler = tiddler;
		syncItem.title = tiddler.title;
		syncItem.isTouched = tiddler.isTouched();
		syncItem.selected = syncItem.isTouched;
		syncItem.syncStatus = config.macros.sync.syncStatusList[syncItem.isTouched ? "changedLocally" : "none"];
		syncItem.status = syncItem.syncStatus.text;
		if(syncItem.serverType && syncItem.serverHost)
			list.push(syncItem);
		});
	list.sort(function(a,b) {return a.title < b.title ? -1 : (a.title == b.title ? 0 : +1);});
	return list;
};

config.macros.sync.preProcessSyncableTiddlers = function()
{
	for(var t=0; t<currSync.syncList.length; t++) {
		si = currSync.syncList[t];
		var ti = si.syncTask.syncMachine.generateTiddlerInfo(si.tiddler);
		si.serverUrl = ti.uri;
	}
};

config.macros.sync.processSyncableTiddlers = function()
{
	for(var t=0; t<currSync.syncList.length; t++) {
		si = currSync.syncList[t];
		si.rowElement.style.backgroundColor = si.syncStatus.color;
	}
};

config.macros.sync.createSyncTasks = function()
{
	currSync.syncTasks = [];
	for(var t=0; t<currSync.syncList.length; t++) {
		var si = currSync.syncList[t];
		var r = null;
		for(var st=0; st<currSync.syncTasks.length; st++) {
			var cst = currSync.syncTasks[st];
			if(si.serverType == cst.serverType && si.serverHost == cst.serverHost && si.serverWorkspace == cst.serverWorkspace)
				r = cst;
		}
		if(r == null) {
			si.syncTask = this.createSyncTask(si);
			currSync.syncTasks.push(si.syncTask);
		} else {
			si.syncTask = r;
			r.syncItems.push(si);
		}
	}
};

config.macros.sync.createSyncTask = function(syncItem)
{
	var st = {};
	st.serverType = syncItem.serverType;
	st.serverHost = syncItem.serverHost;
	st.serverWorkspace = syncItem.serverWorkspace;
	st.syncItems = [syncItem];
	st.syncMachine = new SyncMachine(st.serverType,{
		start: function() {
			return this.openHost(st.serverHost,"openWorkspace");
		},
		openWorkspace: function() {
			return this.openWorkspace(st.serverWorkspace,"getTiddlerList");
		},
		getTiddlerList: function() {
			return this.getTiddlerList("gotTiddlerList");
		},
		gotTiddlerList: function(tiddlers) {
			for(var t=0; t<st.syncItems.length; t++) {
				var si = st.syncItems[t];
				var f = tiddlers.findByField("title",si.title);
				if(f !== null) {
					if(tiddlers[f].fields['server.page.revision'] > si.tiddler.fields['server.page.revision']) {
						si.syncStatus = config.macros.sync.syncStatusList[si.isTouched ? 'changedBoth' : 'changedServer'];
					}
				} else {
					si.syncStatus = config.macros.sync.syncStatusList.notFound;
				}
				config.macros.sync.updateSyncStatus(si);
			}
		},
		getTiddler: function(title) {
			return this.getTiddler(title,"onGetTiddler");
		},
		onGetTiddler: function(tiddler) {
			var syncItem = st.syncItems.findByField("title",tiddler.title);
			if(syncItem !== null) {
				syncItem = st.syncItems[syncItem];
				store.saveTiddler(tiddler.title, tiddler.title, tiddler.text, tiddler.modifier, tiddler.modified, tiddler.tags, tiddler.fields, true, tiddler.created);
				syncItem.syncStatus = config.macros.sync.syncStatusList.gotFromServer;
				config.macros.sync.updateSyncStatus(syncItem);
			}
		},
		putTiddler: function(tiddler) {
			return this.putTiddler(tiddler,"onPutTiddler");
		},
		onPutTiddler: function(tiddler) {
			var syncItem = st.syncItems.findByField("title",tiddler.title);
			if(syncItem !== null) {
				syncItem = st.syncItems[syncItem];
				store.resetTiddler(tiddler.title);
				syncItem.syncStatus = config.macros.sync.syncStatusList.putToServer;
				config.macros.sync.updateSyncStatus(syncItem);
			}
		}
	});
	st.syncMachine.go();
	return st;
};

config.macros.sync.updateSyncStatus = function(syncItem)
{
	var e = syncItem.colElements["status"];
	removeChildren(e);
	createTiddlyText(e,syncItem.syncStatus.text);
	syncItem.rowElement.style.backgroundColor = syncItem.syncStatus.color;
};

config.macros.sync.doSync = function(e)
{
	var rowNames = ListView.getSelectedRows(currSync.listView);
	for(var t=0; t<currSync.syncList.length; t++) {
		var si = currSync.syncList[t];
		if(rowNames.indexOf(si.title) != -1) {
			config.macros.sync.doSyncItem(si);
		}
	}
	return false;
};

config.macros.sync.doSyncItem = function(syncItem)
{
	var r = true;
	var sl = config.macros.sync.syncStatusList;
	switch(syncItem.syncStatus) {
		case sl.changedServer:
			r = syncItem.syncTask.syncMachine.go("getTiddler",syncItem.title);
			break;
		case sl.notFound:
		case sl.changedLocally:
		case sl.changedBoth:
			r = syncItem.syncTask.syncMachine.go("putTiddler",syncItem.tiddler);
			break;
		default:
			break;
	}
	if(r !== true)
		displayMessage("Error in doSyncItem: " + r);
};

config.macros.sync.cancelSync = function()
{
	currSync = null;
};

function SyncMachine(serverType,steps)
{
	this.serverType = serverType;
	this.adaptor = new config.adaptors[serverType];
	this.steps = steps;
}

SyncMachine.prototype.go = function(step,varargs)
{
	if(!step)
		step = "start";
	var h = this.steps[step];
	if(!h)
		return null;
	var a = [];
	for(var t=1; t<arguments.length; t++)
		a.push(arguments[t]);
	var r = h.apply(this,a);
	if(typeof r == "string")
		this.invokeError(r);
	return r;
};

SyncMachine.prototype.invokeError = function(message)
{
	if(this.steps.error)
		this.steps.error(message);
};

SyncMachine.prototype.openHost = function(host,nextStep)
{
	var me = this;
	return me.adaptor.openHost(host,null,null,function(context) {
		if(typeof context.status == "string")
			me.invokeError(context.status);
		else
			me.go(nextStep);
	});
};

SyncMachine.prototype.getWorkspaceList = function(nextStep)
{
	var me = this;
	return me.adaptor.getWorkspaceList(null,null,function(context) {
		if(typeof context.status == "string")
			me.invokeError(context.status);
		else
			me.go(nextStep,context.workspaces);
	});
};

SyncMachine.prototype.openWorkspace = function(workspace,nextStep)
{
	var me = this;
	return me.adaptor.openWorkspace(workspace,null,null,function(context) {
		if(typeof context.status == "string")
			me.invokeError(context.status);
		else
			me.go(nextStep);
	});
};

SyncMachine.prototype.getTiddlerList = function(nextStep)
{
	var me = this;
	return me.adaptor.getTiddlerList(null,null,function(context) {
		if(typeof context.status == "string")
			me.invokeError(context.status);
		else
			me.go(nextStep,context.tiddlers);
	});
};

SyncMachine.prototype.generateTiddlerInfo = function(tiddler)
{
	return this.adaptor.generateTiddlerInfo(tiddler);
};

SyncMachine.prototype.getTiddler = function(title,nextStep)
{
	var me = this;
	return me.adaptor.getTiddler(title,null,null,function(context) {
		if(typeof context.status == "string")
			me.invokeError(context.status);
		else
			me.go(nextStep,context.tiddler);
	});
};

SyncMachine.prototype.putTiddler = function(tiddler,nextStep)
{
	var me = this;
	return me.adaptor.putTiddler(tiddler,null,null,function(context) {
		if(typeof context.status == "string")
			me.invokeError(context.status);
		else
			me.go(nextStep,tiddler);
	});
};

//--
//-- Manager UI for groups of tiddlers
//--

config.macros.plugins.handler = function(place,macroName,params,wikifier,paramString,tiddler)
{
	var wizard = new Wizard();
	wizard.createWizard(place,this.wizardTitle);
	wizard.addStep(this.step1Title,this.step1Html);
	var markList = wizard.getElement("markList");
	var listWrapper = document.createElement("div");
	markList.parentNode.insertBefore(listWrapper,markList);
	listWrapper.setAttribute("refresh","macro");
	listWrapper.setAttribute("macroName","plugins");
	listWrapper.setAttribute("params",paramString);
	this.refresh(listWrapper,paramString);
};

config.macros.plugins.refresh = function(listWrapper,params)
{
	var wizard = new Wizard(listWrapper);
	var selectedRows = [];
	ListView.forEachSelector(listWrapper,function(e,rowName) {
			if(e.checked)
				selectedRows.push(e.getAttribute("rowName"));
		});
	removeChildren(listWrapper);
	params = params.parseParams("anon");
	var plugins = installedPlugins.slice(0);
	var t,tiddler,p;
	var configTiddlers = store.getTaggedTiddlers("systemConfig");
	for(t=0; t<configTiddlers.length; t++) {
		tiddler = configTiddlers[t];
		if(plugins.findByField("title",tiddler.title) == null) {
			p = getPluginInfo(tiddler);
			p.executed = false;
			p.log.splice(0,0,this.skippedText);
			plugins.push(p);
		}
	}
	for(t=0; t<plugins.length; t++) {
		p = plugins[t];
		p.size = p.tiddler.text ? p.tiddler.text.length : 0;
		p.forced = p.tiddler.isTagged("systemConfigForce");
		p.disabled = p.tiddler.isTagged("systemConfigDisable");
		p.Selected = selectedRows.indexOf(plugins[t].title) != -1;
	}
	if(plugins.length == 0) {
		createTiddlyElement(listWrapper,"em",null,null,this.noPluginText);
		wizard.setButtons([]);
	} else {
		var listView = ListView.create(listWrapper,plugins,this.listViewTemplate,this.onSelectCommand);
		wizard.setValue("listView",listView);
		wizard.setButtons([
				{caption: config.macros.plugins.removeLabel, tooltip: config.macros.plugins.removePrompt, onClick:  config.macros.plugins.doRemoveTag},
				{caption: config.macros.plugins.deleteLabel, tooltip: config.macros.plugins.deletePrompt, onClick:  config.macros.plugins.doDelete}
			]);
	}
};

config.macros.plugins.doRemoveTag = function(e)
{
	var wizard = new Wizard(this);
	var listView = wizard.getValue("listView");
	var rowNames = ListView.getSelectedRows(listView);
	if(rowNames.length == 0) {
		alert(config.messages.nothingSelected);
	} else {
		for(var t=0; t<rowNames.length; t++)
			store.setTiddlerTag(rowNames[t],false,"systemConfig");
	}
};

config.macros.plugins.doDelete = function(e)
{
	var wizard = new Wizard(this);
	var listView = wizard.getValue("listView");
	var rowNames = ListView.getSelectedRows(listView);
	if(rowNames.length == 0) {
		alert(config.messages.nothingSelected);
	} else {
		if(confirm(config.macros.plugins.confirmDeleteText.format([rowNames.join(", ")]))) {
			for(t=0; t<rowNames.length; t++) {
				store.removeTiddler(rowNames[t]);
				story.closeTiddler(rowNames[t],true);
			}
		}
	}
};

//--
//-- Message area
//--

function getMessageDiv()
{
	var msgArea = document.getElementById("messageArea");
	if(!msgArea)
		return null;
	if(!msgArea.hasChildNodes())
		createTiddlyButton(createTiddlyElement(msgArea,"div",null,"messageToolbar"),
			config.messages.messageClose.text,
			config.messages.messageClose.tooltip,
			clearMessage);
	msgArea.style.display = "block";
	return createTiddlyElement(msgArea,"div");
}

function displayMessage(text,linkText)
{
	var e = getMessageDiv();
	if(!e) {
		alert(text);
		return;
	}
	if(linkText) {
		var link = createTiddlyElement(e,"a",null,null,text);
		link.href = linkText;
		link.target = "_blank";
	} else {
		e.appendChild(document.createTextNode(text));
	}
}

function clearMessage()
{
	var msgArea = document.getElementById("messageArea");
	if(msgArea) {
		removeChildren(msgArea);
		msgArea.style.display = "none";
	}
	return false;
}

//--
//-- Refresh mechanism
//--

config.refreshers = {
	link: function(e,changeList)
		{
		var title = e.getAttribute("tiddlyLink");
		refreshTiddlyLink(e,title);
		return true;
		},
	
	tiddler: function(e,changeList)
		{
		var title = e.getAttribute("tiddler");
		var template = e.getAttribute("template");
		if(changeList && changeList.indexOf(title) != -1 && !story.isDirty(title))
			story.refreshTiddler(title,template,true);
		else
			refreshElements(e,changeList);
		return true;
		},

	content: function(e,changeList)
		{
		var title = e.getAttribute("tiddler");
		var force = e.getAttribute("force");
		if(force != null || changeList == null || changeList.indexOf(title) != -1) {
			removeChildren(e);
			wikify(store.getTiddlerText(title,title),e,null);
			return true;
		} else
			return false;
		},

	macro: function(e,changeList)
		{
		var macro = e.getAttribute("macroName");
		var params = e.getAttribute("params");
		if(macro)
			macro = config.macros[macro];
		if(macro && macro.refresh)
			macro.refresh(e,params);
		return true;
		}
};

function refreshElements(root,changeList)
{
	var nodes = root.childNodes;
	for(var c=0; c<nodes.length; c++) {
		var e = nodes[c], type = null;
		if(e.getAttribute  && (e.tagName ? e.tagName != "IFRAME" : true))
			type = e.getAttribute("refresh");
		var refresher = config.refreshers[type];
		var refreshed = false;
		if(refresher != undefined)
			refreshed = refresher(e,changeList);
		if(e.hasChildNodes() && !refreshed)
			refreshElements(e,changeList);
	}
}

function applyHtmlMacros(root,tiddler)
{
	var e = root.firstChild;
	while(e) {
		var nextChild = e.nextSibling;
		if(e.getAttribute) {
			var macro = e.getAttribute("macro");
			if(macro) {
				var params = "";
				var p = macro.indexOf(" ");
				if(p != -1) {
					params = macro.substr(p+1);
					macro = macro.substr(0,p);
				}
				invokeMacro(e,macro,params,null,tiddler);
			}
		}
		if(e.hasChildNodes())
			applyHtmlMacros(e,tiddler);
		e = nextChild;
	}
}

function refreshPageTemplate(title)
{
	var stash = createTiddlyElement(document.body,"div");
	stash.style.display = "none";
	var display = document.getElementById("tiddlerDisplay");
	var nodes,t;
	if(display) {
		nodes = display.childNodes;
		for(t=nodes.length-1; t>=0; t--)
			stash.appendChild(nodes[t]);
	}
	var wrapper = document.getElementById("contentWrapper");
	if(!title)
		title = "PageTemplate";
	var html = store.getRecursiveTiddlerText(title,null,10);
	wrapper.innerHTML = html;
	applyHtmlMacros(wrapper);
	refreshElements(wrapper);
	display = document.getElementById("tiddlerDisplay");
	removeChildren(display);
	if(!display)
		display = createTiddlyElement(wrapper,"div","tiddlerDisplay");
	nodes = stash.childNodes;
	for(t=nodes.length-1; t>=0; t--)
		display.appendChild(nodes[t]);
	removeNode(stash);
}

function refreshDisplay(hint)
{
	if(typeof hint == "string")
		hint = [hint];
	var e = document.getElementById("contentWrapper");
	refreshElements(e,hint);
	if(backstage.isPanelVisible()) {
		e = document.getElementById("backstage");
		refreshElements(e,hint);
	}
}

function refreshPageTitle()
{
	document.title = getPageTitle();
}

function getPageTitle()
{
	var st = wikifyPlain("SiteTitle");
	var ss = wikifyPlain("SiteSubtitle");
	return st + ((st == "" || ss == "") ? "" : " - ") + ss;
}

function refreshStyles(title,doc)
{
	if(!doc)
		doc = document;
	setStylesheet(title == null ? "" : store.getRecursiveTiddlerText(title,"",10),title,doc);
}

function refreshColorPalette(title)
{
	if(!startingUp)
		refreshAll();
}

function refreshAll()
{
	refreshPageTemplate();
	refreshDisplay();
	refreshStyles("StyleSheetLayout");
	refreshStyles("StyleSheetColors");
	refreshStyles("StyleSheet");
	refreshStyles("StyleSheetPrint");
}

//--
//-- Options cookie stuff
//--

config.optionHandlers = {
	'txt': {
		get: function(name) {return encodeCookie(config.options[name].toString());},
		set: function(name,value) {config.options[name] = decodeCookie(value);}
	},
	'chk': {
		get: function(name) {return config.options[name] ? "true" : "false";},
		set: function(name,value) {config.options[name] = value == "true";}
	}
};

function loadOptionsCookie()
{
	if(safeMode)
		return;
	var cookies = document.cookie.split(";");
	for(var c=0; c<cookies.length; c++) {
		var p = cookies[c].indexOf("=");
		if(p != -1) {
			var name = cookies[c].substr(0,p).trim();
			var value = cookies[c].substr(p+1).trim();
			var optType = name.substr(0,3);
			if(config.optionHandlers[optType] && config.optionHandlers[optType].set)
				config.optionHandlers[optType].set(name,value);
		}
	}
}

function saveOptionCookie(name)
{
	if(safeMode)
		return;
	var c = name + "=";
	var optType = name.substr(0,3);
	if(config.optionHandlers[optType] && config.optionHandlers[optType].get)
		c += config.optionHandlers[optType].get(name);
	c += "; expires=Fri, 1 Jan 2038 12:00:00 UTC; path=/";
	document.cookie = c;
}

function encodeCookie(s)
{
	return escape(manualConvertUnicodeToUTF8(s));
}

function decodeCookie(s)
{
	s = unescape(s);
	var re = /&#[0-9]{1,5};/g;
	return s.replace(re,function($0) {return String.fromCharCode(eval($0.replace(/[&#;]/g,"")));});
}

TiddlyWiki.prototype.allShadowsAsHtml = function()
{
	return shadows.getSaver().externalize(shadows, true);
}
//--
//-- Saving
//--
var saveUsingSafari = false;

var startSaveArea = '<div id="' + 'storeArea">'; // Split up into two so that indexOf() of this source doesn't find it
var endSaveArea = '</d' + 'iv>';
var startShadowArea = '<div id="' + 'shadowArea">'; // Split up into two so that indexOf() of this source doesn't find it
var endShadowArea = '</d' + 'iv>';

// If there are unsaved changes, force the user to confirm before exitting
function confirmExit()
{
	hadConfirmExit = true;
	if((store && store.isDirty && store.isDirty()) || (story && story.areAnyDirty && story.areAnyDirty()))
		return config.messages.confirmExit;
}

// Give the user a chance to save changes before exitting
function checkUnsavedChanges()
{
	if(store && store.isDirty && store.isDirty() && window.hadConfirmExit === false) {
		if(confirm(config.messages.unsavedChangesWarning))
			saveChanges();
	}
}

function updateLanguageAttribute(s)
{
	if(config.locale) {
		var mRE = /(<html(?:.*?)?)(?: xml:lang\="([a-z]+)")?(?: lang\="([a-z]+)")?>/;
		var m = mRE.exec(s);
		if(m) {
			var t = m[1];
			if(m[2])
				t += ' xml:lang="' + config.locale + '"';
			if(m[3])
				t += ' lang="' + config.locale + '"';
			t += ">";
			s = s.substr(0,m.index) + t + s.substr(m.index+m[0].length);
		}
	}
	return s;
}

function updateMarkupBlock(s,blockName,tiddlerName)
{
	return s.replaceChunk(
			"<!--%0-START-->".format([blockName]),
			"<!--%0-END-->".format([blockName]),
			"\n" + convertUnicodeToUTF8(store.getRecursiveTiddlerText(tiddlerName,"")) + "\n");
}

function updateOriginal(original,posDiv)
{
	if(!posDiv)
		posDiv = locateStoreArea(original);
	if(!posDiv) {
		alert(config.messages.invalidFileError.format([localPath]));
		return null;
	}
	var	posShadowDiv = locateShadowArea(original);
	if(!posShadowDiv) {
		alert(config.messages.invalidFileError.format([localPath]));
		return null;
	}
	var posPostShadow = original.indexOf("<"+"!--POST-SHADOWAREA--"+">");
	var revised = original.substr(0,posShadowDiv[0]) + startShadowArea + "\n" +
				convertUnicodeToUTF8(shadows.allShadowsAsHtml()) + "\n" +
				endShadowArea + "\n" + original.substring(posPostShadow,posDiv[0]) + startSaveArea + "\n" + 
				convertUnicodeToUTF8(store.allTiddlersAsHtml()) + "\n" +
				original.substr(posDiv[1]);
	var newSiteTitle = convertUnicodeToUTF8(getPageTitle()).htmlEncode();
	revised = revised.replaceChunk("<title"+">","</title"+">"," " + newSiteTitle + " ");
	revised = updateLanguageAttribute(revised);
	revised = updateMarkupBlock(revised,"PRE-HEAD","MarkupPreHead");
	revised = updateMarkupBlock(revised,"POST-HEAD","MarkupPostHead");
	revised = updateMarkupBlock(revised,"PRE-BODY","MarkupPreBody");
	revised = updateMarkupBlock(revised,"POST-SCRIPT","MarkupPostBody");
	return revised;
}

function locateStoreArea(original)
{
	// Locate the storeArea div's
	var posOpeningDiv = original.indexOf(startSaveArea);
	var limitClosingDiv = original.indexOf("<"+"!--POST-STOREAREA--"+">");
	if(limitClosingDiv == -1)
		limitClosingDiv = original.indexOf("<"+"!--POST-BODY-START--"+">");
	var posClosingDiv = original.lastIndexOf(endSaveArea, limitClosingDiv == -1 ? original.length : limitClosingDiv);
	return (posOpeningDiv != -1 && posClosingDiv != -1) ? [posOpeningDiv,posClosingDiv] : null;
}
function locateShadowArea(original)
{
	// Locate the ShadowArea
	var posDiv = locateStoreArea(original);
	if (!posDiv) return null;
	var posOpeningShadowDiv = original.indexOf(startShadowArea);
	var limitClosingShadowDiv = original.indexOf(startSaveArea);
//	var posClosingShadowDiv = posDiv[0]-endShadowArea.length;
	var posClosingShadowDiv = original.lastIndexOf(endShadowArea,limitClosingShadowDiv == -1 ? original.length : limitClosingShadowDiv);
	return (posOpeningShadowDiv != -1 && posClosingShadowDiv != -1) ? [posOpeningShadowDiv,posClosingShadowDiv] : null;
}
function autoSaveChanges(onlyIfDirty,tiddlers)
{
	if(config.options.chkAutoSave)
		saveChanges(onlyIfDirty,tiddlers);
}

// Save this tiddlywiki with the pending changes
function saveChanges(onlyIfDirty,tiddlers)
{
	if(onlyIfDirty && !store.isDirty())
		return;
	clearMessage();
	// Get the URL of the document
	var originalPath = document.location.toString();
	// Check we were loaded from a file URL
	if(originalPath.substr(0,5) != "file:") {
		alert(config.messages.notFileUrlError);
		if(store.tiddlerExists(config.messages.saveInstructions))
			story.displayTiddler(null,config.messages.saveInstructions);
		return;
	}
	var localPath = getLocalPath(originalPath);
	// Load the original file
	var original = loadFile(localPath);
	if(original == null) {
		alert(config.messages.cantSaveError);
		if(store.tiddlerExists(config.messages.saveInstructions))
			story.displayTiddler(null,config.messages.saveInstructions);
		return;
	}
	// Locate the storeArea div's
	var posDiv = locateStoreArea(original);
	if(!posDiv) {
		alert(config.messages.invalidFileError.format([localPath]));
		return;
	}
	// Locate the shadowArea div's
	var	posShadowDiv = locateShadowArea(original);
	if(!posShadowDiv){
		alert(config.messages.invalidFileError.format([localPath]));
		return;
	}
	saveBackup(localPath,original);
	saveRss(localPath);
	saveEmpty(localPath,original,posDiv);
	saveMain(localPath,original,posDiv);
}

function saveBackup(localPath,original)
{
	// Save the backup
	if(config.options.chkSaveBackups) {
		var backupPath = getBackupPath(localPath);
		var backup = config.browser.isIE ? ieCopyFile(backupPath,localPath) : saveFile(backupPath,original);
		if(backup)
			displayMessage(config.messages.backupSaved,"file://" + backupPath);
		else
			alert(config.messages.backupFailed);
	}
}

function saveRss(localPath)
{
	if(config.options.chkGenerateAnRssFeed) {
		var rssPath = localPath.substr(0,localPath.lastIndexOf(".")) + ".xml";
		var rssSave = saveFile(rssPath,convertUnicodeToUTF8(generateRss()));
		if(rssSave)
			displayMessage(config.messages.rssSaved,"file://" + rssPath);
		else
			alert(config.messages.rssFailed);
	}
}

function saveEmpty(localPath,original,posDiv)
{
	if(config.options.chkSaveEmptyTemplate) {
		var emptyPath,p;
		if((p = localPath.lastIndexOf("/")) != -1)
			emptyPath = localPath.substr(0,p) + "/empty.html";
		else if((p = localPath.lastIndexOf("\\")) != -1)
			emptyPath = localPath.substr(0,p) + "\\empty.html";
		else
			emptyPath = localPath + ".empty.html";
		var	posShadowDiv = locateShadowArea(original);
		if(!posShadowDiv) {
			alert(config.messages.invalidFileError.format([localPath]));
			return;
		}
		var posPostShadow = original.indexOf("<"+"!--POST-SHADOWAREA--"+">");
		var empty = original.substr(0,posShadowDiv[0]) + startShadowArea+ "\n" +
					convertUnicodeToUTF8(shadows.allShadowsAsHtml()) + "\n" +
					endShadowArea + "\n" + original.substring(posPostShadow,posDiv[0]) + startSaveArea + "\n" + 
					original.substr(posDiv[1]);
		var emptySave = saveFile(emptyPath,empty);
		if(emptySave)
			displayMessage(config.messages.emptySaved,"file://" + emptyPath);
		else
			alert(config.messages.emptyFailed);
	}
}

function saveMain(localPath,original,posDiv)
{
	var save;
	try {
		var revised = updateOriginal(original,posDiv);
		save = saveFile(localPath,revised);
	} catch (ex) {
		showException(ex);
	}
	if(save) {
		displayMessage(config.messages.mainSaved,"file://" + localPath);
		store.setDirty(false);
	} else {
		alert(config.messages.mainFailed);
	}
}

function getLocalPath(origPath)
{
	var originalPath = convertUriToUTF8(origPath,config.options.txtFileSystemCharSet);
	// Remove any location or query part of the URL
	var argPos = originalPath.indexOf("?");
	if(argPos != -1)
		originalPath = originalPath.substr(0,argPos);
	var hashPos = originalPath.indexOf("#");
	if(hashPos != -1)
		originalPath = originalPath.substr(0,hashPos);
	// Convert file://localhost/ to file:///
	if(originalPath.indexOf("file://localhost/") == 0)
		originalPath = "file://" + originalPath.substr(16);
	// Convert to a native file format
	var localPath;
	if(originalPath.charAt(9) == ":") // pc local file
		localPath = unescape(originalPath.substr(8)).replace(new RegExp("/","g"),"\\");
	else if(originalPath.indexOf("file://///") == 0) // FireFox pc network file
		localPath = "\\\\" + unescape(originalPath.substr(10)).replace(new RegExp("/","g"),"\\");
	else if(originalPath.indexOf("file:///") == 0) // mac/unix local file
		localPath = unescape(originalPath.substr(7));
	else if(originalPath.indexOf("file:/") == 0) // mac/unix local file
		localPath = unescape(originalPath.substr(5));
	else // pc network file
		localPath = "\\\\" + unescape(originalPath.substr(7)).replace(new RegExp("/","g"),"\\");
	return localPath;
}

function getBackupPath(localPath)
{
	var backSlash = true;
	var dirPathPos = localPath.lastIndexOf("\\");
	if(dirPathPos == -1) {
		dirPathPos = localPath.lastIndexOf("/");
		backSlash = false;
	}
	var backupFolder = config.options.txtBackupFolder;
	if(!backupFolder || backupFolder == "")
		backupFolder = ".";
	var backupPath = localPath.substr(0,dirPathPos) + (backSlash ? "\\" : "/") + backupFolder + localPath.substr(dirPathPos);
	backupPath = backupPath.substr(0,backupPath.lastIndexOf(".")) + "." + (new Date()).convertToYYYYMMDDHHMMSSMMM() + ".html";
	return backupPath;
}

function generateRss()
{
	var s = [];
	var d = new Date();
	var u = store.getTiddlerText("SiteUrl");
	// Assemble the header
	s.push("<" + "?xml version=\"1.0\"?" + ">");
	s.push("<rss version=\"2.0\">");
	s.push("<channel>");
	s.push("<title" + ">" + wikifyPlain("SiteTitle").htmlEncode() + "</title" + ">");
	if(u)
		s.push("<link>" + u.htmlEncode() + "</link>");
	s.push("<description>" + wikifyPlain("SiteSubtitle").htmlEncode() + "</description>");
	s.push("<language>en-us</language>");
	s.push("<copyright>Copyright " + d.getFullYear() + " " + config.options.txtUserName.htmlEncode() + "</copyright>");
	s.push("<pubDate>" + d.toGMTString() + "</pubDate>");
	s.push("<lastBuildDate>" + d.toGMTString() + "</lastBuildDate>");
	s.push("<docs>http://blogs.law.harvard.edu/tech/rss</docs>");
	s.push("<generator>TiddlyWiki " + version.major + "." + version.minor + "." + version.revision + "</generator>");
	// The body
	var tiddlers = store.getTiddlers("modified","excludeLists");
	var n = config.numRssItems > tiddlers.length ? 0 : tiddlers.length-config.numRssItems;
	for (var t=tiddlers.length-1; t>=n; t--)
		s.push(tiddlers[t].saveToRss(u));
	// And footer
	s.push("</channel>");
	s.push("</rss>");
	// Save it all
	return s.join("\n");
}

//--
//-- Filesystem code
//--

function convertUTF8ToUnicode(u)
{
	if(window.netscape == undefined)
		return manualConvertUTF8ToUnicode(u);
	else
		return mozConvertUTF8ToUnicode(u);
}

function manualConvertUTF8ToUnicode(utf)
{
	var uni = utf;
	var src = 0;
	var dst = 0;
	var b1, b2, b3;
	var c;
	while(src < utf.length) {
		b1 = utf.charCodeAt(src++);
		if(b1 < 0x80) {
			dst++;
		} else if(b1 < 0xE0) {
			b2 = utf.charCodeAt(src++);
			c = String.fromCharCode(((b1 & 0x1F) << 6) | (b2 & 0x3F));
			uni = uni.substring(0,dst++).concat(c,utf.substr(src));
		} else {
			b2 = utf.charCodeAt(src++);
			b3 = utf.charCodeAt(src++);
			c = String.fromCharCode(((b1 & 0xF) << 12) | ((b2 & 0x3F) << 6) | (b3 & 0x3F));
			uni = uni.substring(0,dst++).concat(c,utf.substr(src));
		}
	}
	return uni;
}

function mozConvertUTF8ToUnicode(u)
{
	try {
		netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
		var converter = Components.classes["@mozilla.org/intl/scriptableunicodeconverter"].createInstance(Components.interfaces.nsIScriptableUnicodeConverter);
		converter.charset = "UTF-8";
	} catch(ex) {
		return manualConvertUTF8ToUnicode(u);
	} // fallback
	var s = converter.ConvertToUnicode(u);
	var fin = converter.Finish();
	return (fin.length > 0) ? s+fin : s;
}

function convertUnicodeToUTF8(s)
{
	if(window.netscape == undefined)
		return manualConvertUnicodeToUTF8(s);
	else
		return mozConvertUnicodeToUTF8(s);
}

function manualConvertUnicodeToUTF8(s)
{
	var re = /[^\u0000-\u007F]/g ;
	return s.replace(re,function($0) {return "&#" + $0.charCodeAt(0).toString() + ";";});
}

function mozConvertUnicodeToUTF8(s)
{
	try {
		netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
		var converter = Components.classes["@mozilla.org/intl/scriptableunicodeconverter"].createInstance(Components.interfaces.nsIScriptableUnicodeConverter);
		converter.charset = "UTF-8";
	} catch(ex) {
		return manualConvertUnicodeToUTF8(s);
	} // fallback
	var u = converter.ConvertFromUnicode(s);
	var fin = converter.Finish();
	if(fin.length > 0)
		return u + fin;
	else
		return u;
}

function convertUriToUTF8(uri,charSet)
{
	if(window.netscape == undefined || charSet == undefined || charSet == "")
		return uri;
	try {
		netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
		var converter = Components.classes["@mozilla.org/intl/utf8converterservice;1"].getService(Components.interfaces.nsIUTF8ConverterService);
	} catch(ex) {
		return uri;
	}
	return converter.convertURISpecToUTF8(uri,charSet);
}

function saveFile(fileUrl,content)
{
	var r = null;
	if(!r)
		r = mozillaSaveFile(fileUrl,content);
	if(!r)
		r = ieSaveFile(fileUrl,content);
	if(!r)
		r = javaSaveFile(fileUrl,content);
	return r;
}

function loadFile(fileUrl)
{
	var r = null;
	if((r == null) || (r == false))
		r = mozillaLoadFile(fileUrl);
	if((r == null) || (r == false))
		r = ieLoadFile(fileUrl);
	if((r == null) || (r == false))
		r = javaLoadFile(fileUrl);
	return r;
}

// Returns null if it can't do it, false if there's an error, true if it saved OK
function ieSaveFile(filePath,content)
{
	try {
		var fso = new ActiveXObject("Scripting.FileSystemObject");
	} catch(ex) {
		return null;
	}
	var file = fso.OpenTextFile(filePath,2,-1,0);
	file.Write(content);
	file.Close();
	return true;
}

// Returns null if it can't do it, false if there's an error, or a string of the content if successful
function ieLoadFile(filePath)
{
	try {
		var fso = new ActiveXObject("Scripting.FileSystemObject");
		var file = fso.OpenTextFile(filePath,1);
		var content = file.ReadAll();
		file.Close();
	} catch(ex) {
		return null;
	}
	return content;
}

function ieCopyFile(dest,source)
{
	try {
		var fso = new ActiveXObject("Scripting.FileSystemObject");
		fso.GetFile(source).Copy(dest);
	} catch(ex) {
		return false;
	}
	return true;
}

// Returns null if it can't do it, false if there's an error, true if it saved OK
function mozillaSaveFile(filePath,content)
{
	if(window.Components) {
		try {
			netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
			var file = Components.classes["@mozilla.org/file/local;1"].createInstance(Components.interfaces.nsILocalFile);
			file.initWithPath(filePath);
			if(!file.exists())
				file.create(0,0664);
			var out = Components.classes["@mozilla.org/network/file-output-stream;1"].createInstance(Components.interfaces.nsIFileOutputStream);
			out.init(file,0x20|0x02,00004,null);
			out.write(content,content.length);
			out.flush();
			out.close();
			return true;
		} catch(ex) {
			return false;
		}
	}
	return null;
}

// Returns null if it can't do it, false if there's an error, or a string of the content if successful
function mozillaLoadFile(filePath)
{
	if(window.Components) {
		try {
			netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
			var file = Components.classes["@mozilla.org/file/local;1"].createInstance(Components.interfaces.nsILocalFile);
			file.initWithPath(filePath);
			if(!file.exists())
				return null;
			var inputStream = Components.classes["@mozilla.org/network/file-input-stream;1"].createInstance(Components.interfaces.nsIFileInputStream);
			inputStream.init(file,0x01,00004,null);
			var sInputStream = Components.classes["@mozilla.org/scriptableinputstream;1"].createInstance(Components.interfaces.nsIScriptableInputStream);
			sInputStream.init(inputStream);
			return sInputStream.read(sInputStream.available());
		} catch(ex) {
			return false;
		}
	}
	return null;
}

function javaUrlToFilename(url)
{
	var f = "//localhost";
	if(url.indexOf(f) == 0)
		return url.substring(f.length);
	var i = url.indexOf(":");
	if(i > 0)
		return url.substring(i-1);
	return url;
}

function javaSaveFile(filePath,content)
{
	try {
		if(document.applets["TiddlySaver"])
			return document.applets["TiddlySaver"].saveFile(javaUrlToFilename(filePath),"UTF-8",content);
	} catch(ex) {
	}
	try {
		var s = new java.io.PrintStream(new java.io.FileOutputStream(javaUrlToFilename(filePath)));
		s.print(content);
		s.close();
	} catch(ex) {
		return null;
	}
	return true;
}

function javaLoadFile(filePath)
{
	try {
		if(document.applets["TiddlySaver"])
			return String(document.applets["TiddlySaver"].loadFile(javaUrlToFilename(filePath),"UTF-8"));
	} catch(ex) {
	}
	var content = [];
	try {
		var r = new java.io.BufferedReader(new java.io.FileReader(javaUrlToFilename(filePath)));
		var line;
		while((line = r.readLine()) != null)
			content.push(new String(line));
		r.close();
	} catch(ex) {
		return null;
	}
	return content.join("\n");
}

//--
//-- Server adaptor for talking to static files
//--

function FileAdaptor()
{
	this.host = null;
	this.store = null;
	return this;
}

FileAdaptor.NotLoadedError = "TiddlyWiki file has not been loaded";
FileAdaptor.serverType = 'file';

// Open the specified host/server
FileAdaptor.prototype.openHost = function(host,context,userParams,callback)
{
	this.host = host;
	if(!context)
		context = {};
	context.adaptor = this;
	context.callback = callback;
	context.userParams = userParams;
	var ret = loadRemoteFile(host,FileAdaptor.openHostCallback,context);
	return typeof(ret) == "string" ? ret : true;
};

FileAdaptor.openHostCallback = function(status,context,responseText,url,xhr)
{
	var adaptor = context.adaptor;
	context.status = status;
	if(!status) {
		context.statusText = "Error reading file: " + xhr.statusText;
	} else {
		// Load the content into a TiddlyWiki() object
		adaptor.store = new TiddlyWiki();
		if(!adaptor.store.importTiddlyWiki(responseText))
			context.statusText = config.messages.invalidFileError.format([url]);
	}
	context.callback(context,context.userParams);
};

// Gets the list of workspaces on a given server
FileAdaptor.prototype.getWorkspaceList = function(context,userParams,callback)
{
	if(!context)
		context = {};
	context.workspaces = [{title:"(default)"}];
	context.status = true;
	window.setTimeout(function() {callback(context,userParams);},10);
	return true;
};

// Open the specified workspace
FileAdaptor.prototype.openWorkspace = function(workspace,context,userParams,callback)
{
	if(!context)
		context = {};
	context.status = true;
	window.setTimeout(function() {callback(context,userParams);},10);
	return true;
};

// Gets the list of tiddlers within a given workspace
FileAdaptor.prototype.getTiddlerList = function(context,userParams,callback)
{
	if(!this.store)
		return FileAdaptor.NotLoadedError;
	if(!context)
		context = {};
	context.tiddlers = [];
	this.store.forEachTiddler(function(title,tiddler)
		{
		var t = new Tiddler(title);
		t.text = tiddler.text;
		t.modified = tiddler.modified;
		t.modifier = tiddler.modifier;
		t.fields['server.page.revision'] = tiddler.modified.convertToYYYYMMDDHHMM();
		t.tags = tiddler.tags;
		context.tiddlers.push(t);
		});
	context.status = true;
	window.setTimeout(function() {callback(context,userParams);},10);
	return true;
};

FileAdaptor.prototype.generateTiddlerInfo = function(tiddler)
{
	var info = {};
	info.uri = tiddler.fields['server.host'] + "#" + tiddler.title;
	return info;
};

// Retrieves a tiddler from a given workspace on a given server
FileAdaptor.prototype.getTiddler = function(title,context,userParams,callback)
{
	if(!this.store)
		return FileAdaptor.NotLoadedError;
	if(!context)
		context = {};
	context.tiddler = this.store.fetchTiddler(title);
	if(context.tiddler) {
		context.tiddler.fields['server.type'] = FileAdaptor.serverType;
		context.tiddler.fields['server.host'] = this.host;
		context.tiddler.fields['server.page.revision'] = context.tiddler.modified.convertToYYYYMMDDHHMM();
	}
	context.status = true;
	if(context.allowSynchronous) {
		context.isSynchronous = true;
		callback(context,userParams);
	} else {
		window.setTimeout(function() {callback(context,userParams);},10);
	}
	return true;
};

FileAdaptor.prototype.close = function()
{
	delete this.store;
	this.store = null;
};

config.adaptors[FileAdaptor.serverType] = FileAdaptor;

//--
//-- Remote HTTP requests
//--

function loadRemoteFile(url,callback,params)
{
	return doHttp("GET",url,null,null,null,null,callback,params,null);
}

// HTTP status codes
var httpStatus = {
	OK: 200,
	ContentCreated: 201,
	NoContent: 204,
	Unauthorized: 401,
	Forbidden: 403,
	NotFound: 404,
	MethodNotAllowed: 405
};

function doHttp(type,url,data,contentType,username,password,callback,params,headers)
{
	// Get an xhr object
	var x = getXMLHttpRequest();
	if(!x)
		return "Can't create XMLHttpRequest object";
	// Install callback
	x.onreadystatechange = function() {
		if (x.readyState == 4 && callback && (x.status !== undefined)) {
			if([0, httpStatus.OK, httpStatus.ContentCreated, httpStatus.NoContent].contains(x.status))
				callback(true,params,x.responseText,url,x);
			else
				callback(false,params,null,url,x);
			x.onreadystatechange = function(){};
			x = null;
		}
	};
	// Send request
	if(window.Components && window.netscape && window.netscape.security && document.location.protocol.indexOf("http") == -1)
		window.netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
	try {
		url = url + (url.indexOf("?") < 0 ? "?" : "&") + "nocache=" + Math.random();
		x.open(type,url,true,username,password);
		if (data)
			x.setRequestHeader("Content-Type", contentType ? contentType : "application/x-www-form-urlencoded");
		if (x.overrideMimeType)
			x.setRequestHeader("Connection", "close");
		if(headers) {
			for(n in headers)
				x.setRequestHeader(n,headers[n]);
		}
		x.setRequestHeader("X-Requested-With", "TiddlyWiki " + version.major + "." + version.minor + "." + version.revision + (version.beta ? " (beta " + version.beta + ")" : ""));
		x.send(data);
	} catch (ex) {
		return exceptionText(ex);
	}
	return x;
}

function getXMLHttpRequest()
{
	try {
		var x = new XMLHttpRequest(); // Modern
	} catch(ex) {
		try {
			x = new ActiveXObject("Msxml2.XMLHTTP"); // IE 6
		} catch (ex2) {
			return null;
		}
	}
	return x;
}

//--
//-- TiddlyWiki-specific utility functions
//--

function createTiddlyButton(theParent,theText,theTooltip,theAction,theClass,theId,theAccessKey)
{
	var theButton = document.createElement("a");
	if(theAction) {
		theButton.onclick = theAction;
		theButton.setAttribute("href","javascript:;");
	}
	if(theTooltip)
		theButton.setAttribute("title",theTooltip);
	if(theText)
		theButton.appendChild(document.createTextNode(theText));
	if(theClass)
		theButton.className = theClass;
	else
		theButton.className = "button";
	if(theId)
		theButton.id = theId;
	if(theParent)
		theParent.appendChild(theButton);
	if(theAccessKey)
		theButton.setAttribute("accessKey",theAccessKey);
	return theButton;
}

function createTiddlyLink(place,title,includeText,theClass,isStatic,linkedFromTiddler,noToggle)
{
	var text = includeText ? title : null;
	var i = getTiddlyLinkInfo(title,theClass);
	var btn = isStatic ? createExternalLink(place,store.getTiddlerText("SiteUrl",null) + "#" + title) : createTiddlyButton(place,text,i.subTitle,onClickTiddlerLink,i.classes);
	btn.setAttribute("refresh","link");
	btn.setAttribute("tiddlyLink",title);
	if(noToggle)
		btn.setAttribute("noToggle","true");
	if(linkedFromTiddler) {
		var fields = linkedFromTiddler.getInheritedFields();
		if(fields)
			btn.setAttribute("tiddlyFields",fields);
	}
	return btn;
}

function refreshTiddlyLink(e,title)
{
	var i = getTiddlyLinkInfo(title,e.className);
	e.className = i.classes;
	e.title = i.subTitle;
}

function getTiddlyLinkInfo(title,currClasses)
{
	var classes = currClasses ? currClasses.split(" ") : [];
	classes.pushUnique("tiddlyLink");
	var tiddler = store.fetchTiddler(title);
	var subTitle;
	if(tiddler) {
		subTitle = tiddler.getSubtitle();
		classes.pushUnique("tiddlyLinkExisting");
		classes.remove("tiddlyLinkNonExisting");
		classes.remove("shadow");
	} else {
		classes.remove("tiddlyLinkExisting");
		classes.pushUnique("tiddlyLinkNonExisting");
		if(store.isShadowTiddler(title)) {
			subTitle = config.messages.shadowedTiddlerToolTip.format([title]);
			classes.pushUnique("shadow");
		} else {
			subTitle = config.messages.undefinedTiddlerToolTip.format([title]);
			classes.remove("shadow");
		}
	}
	if(config.annotations[title])
		subTitle = config.annotations[title];
	return {classes: classes.join(" "),subTitle: subTitle};
}

function createExternalLink(place,url)
{
	var theLink = document.createElement("a");
	theLink.className = "externalLink";
	theLink.href = url;
	theLink.title = config.messages.externalLinkTooltip.format([url]);
	if(config.options.chkOpenInNewWindow)
		theLink.target = "_blank";
	place.appendChild(theLink);
	return theLink;
}

// Event handler for clicking on a tiddly link
function onClickTiddlerLink(e)
{
	if(!e) e = window.event;
	var theTarget = resolveTarget(e);
	var theLink = theTarget;
	var title = null;
	var fields = null;
	var noToggle = null;
	do {
		title = theLink.getAttribute("tiddlyLink");
		fields = theLink.getAttribute("tiddlyFields");
		noToggle = theLink.getAttribute("noToggle");
		theLink = theLink.parentNode;
	} while(title == null && theLink != null);
	if(!fields && !store.isShadowTiddler(title))
		fields = String.encodeHashMap(config.defaultCustomFields);
	if(title) {
		var toggling = e.metaKey || e.ctrlKey;
		if(config.options.chkToggleLinks)
			toggling = !toggling;
		if(noToggle)
			toggling = false;
		story.displayTiddler(theTarget,title,null,true,null,fields,toggling);
	}
	clearMessage();
	return false;
}

// Create a button for a tag with a popup listing all the tiddlers that it tags
function createTagButton(place,tag,excludeTiddler)
{
	var theTag = createTiddlyButton(place,tag,config.views.wikified.tag.tooltip.format([tag]),onClickTag);
	theTag.setAttribute("tag",tag);
	if(excludeTiddler)
		theTag.setAttribute("tiddler",excludeTiddler);
	return theTag;
}

// Event handler for clicking on a tiddler tag
function onClickTag(e)
{
	if(!e) var e = window.event;
	var theTarget = resolveTarget(e);
	var popup = Popup.create(this);
	var tag = this.getAttribute("tag");
	var title = this.getAttribute("tiddler");
	if(popup && tag) {
		var tagged = store.getTaggedTiddlers(tag);
		var titles = [];
		var li,r;
		for(r=0;r<tagged.length;r++) {
			if(tagged[r].title != title)
				titles.push(tagged[r].title);
		}
		var lingo = config.views.wikified.tag;
		if(titles.length > 0) {
			var openAll = createTiddlyButton(createTiddlyElement(popup,"li"),lingo.openAllText.format([tag]),lingo.openAllTooltip,onClickTagOpenAll);
			openAll.setAttribute("tag",tag);
			createTiddlyElement(createTiddlyElement(popup,"li",null,"listBreak"),"div");
			for(r=0; r<titles.length; r++) {
				createTiddlyLink(createTiddlyElement(popup,"li"),titles[r],true);
			}
		} else {
			createTiddlyText(createTiddlyElement(popup,"li",null,"disabled"),lingo.popupNone.format([tag]));
		}
		createTiddlyElement(createTiddlyElement(popup,"li",null,"listBreak"),"div");
		var h = createTiddlyLink(createTiddlyElement(popup,"li"),tag,false);
		createTiddlyText(h,lingo.openTag.format([tag]));
	}
	Popup.show();
	e.cancelBubble = true;
	if(e.stopPropagation) e.stopPropagation();
	return false;
}

// Event handler for 'open all' on a tiddler popup
function onClickTagOpenAll(e)
{
	if(!e) var e = window.event;
	var tag = this.getAttribute("tag");
	var tagged = store.getTaggedTiddlers(tag);
	var titles = [];
	for(var t=0; t<tagged.length; t++)
		titles.push(tagged[t].title);
	story.displayTiddlers(this,titles);
	return false;
}

function onClickError(e)
{
	if(!e) var e = window.event;
	var popup = Popup.create(this);
	var lines = this.getAttribute("errorText").split("\n");
	for(var t=0; t<lines.length; t++)
		createTiddlyElement(popup,"li",null,null,lines[t]);
	Popup.show();
	e.cancelBubble = true;
	if(e.stopPropagation) e.stopPropagation();
	return false;
}

function createTiddlyDropDown(place,onchange,options,defaultValue)
{
	var sel = createTiddlyElement(place,"select");
	sel.onchange = onchange;
	for(var t=0; t<options.length; t++) {
		var e = createTiddlyElement(sel,"option",null,null,options[t].caption);
		e.value = options[t].name;
		if(options[t].name == defaultValue)
			e.selected = true;
	}
	return sel;
}

function createTiddlyPopup(place,caption,tooltip,tiddler)
{
	if(tiddler.text) {
		createTiddlyLink(place,caption,true);
		var btn = createTiddlyButton(place,glyph("downArrow"),tooltip,onClickTiddlyPopup,"tiddlerPopupButton");
		btn.tiddler = tiddler;
	} else {
		createTiddlyText(place,caption);
	}
}

function onClickTiddlyPopup(e)
{
	if(!e) var e = window.event;
	var tiddler = this.tiddler;
	if(tiddler.text) {
		var popup = Popup.create(this,"div","popupTiddler");
		wikify(tiddler.text,popup,null,tiddler);
		Popup.show();
	}
	if(e) e.cancelBubble = true;
	if(e && e.stopPropagation) e.stopPropagation();
	return false;
}

function createTiddlyError(place,title,text)
{
	var btn = createTiddlyButton(place,title,null,onClickError,"errorButton");
	if(text) btn.setAttribute("errorText",text);
}

function merge(dst,src,preserveExisting)
{
	for(p in src) {
		if(!preserveExisting || dst[p] === undefined)
			dst[p] = src[p];
	}
	return dst;
}

// Returns a string containing the description of an exception, optionally prepended by a message
function exceptionText(e,message)
{
	var s = e.description ? e.description : e.toString();
	return message ? "%0:\n%1".format([message,s]) : s;
}

// Displays an alert of an exception description with optional message
function showException(e,message)
{
	alert(exceptionText(e,message));
}

function alertAndThrow(m)
{
	alert(m);
	throw(m);
}

function glyph(name)
{
	var g = config.glyphs;
	var b = g.currBrowser;
	if(b == null) {
		b = 0;
		while(!g.browsers[b]() && b < g.browsers.length-1)
			b++;
		g.currBrowser = b;
	}
	if(!g.codes[name])
		return "";
	return g.codes[name][b];
}
//-
//- Animation engine
//-

function Animator()
{
	this.running = 0; // Incremented at start of each animation, decremented afterwards. If zero, the interval timer is disabled
	this.timerID = 0; // ID of the timer used for animating
	this.animations = []; // List of animations in progress
	return this;
}

// Start animation engine
Animator.prototype.startAnimating = function() // Variable number of arguments
{
	for(var t=0; t<arguments.length; t++)
		this.animations.push(arguments[t]);
	if(this.running == 0) {
		var me = this;
		this.timerID = window.setInterval(function() {me.doAnimate(me);},10);
	}
	this.running += arguments.length;
};

// Perform an animation engine tick, calling each of the known animation modules
Animator.prototype.doAnimate = function(me)
{
	var a = 0;
	while(a < me.animations.length) {
		var animation = me.animations[a];
		if(animation.tick()) {
			a++;
		} else {
			me.animations.splice(a,1);
			if(--me.running == 0)
				window.clearInterval(me.timerID);
		}
	}
};

// Map a 0..1 value to 0..1, but slow down at the start and end
Animator.slowInSlowOut = function(progress)
{
	return(1-((Math.cos(progress * Math.PI)+1)/2));
};

//--
//-- Morpher animation
//--

// Animate a set of properties of an element
function Morpher(element,duration,properties,callback)
{
	this.element = element;
	this.duration = duration;
	this.properties = properties;
	this.startTime = new Date();
	this.endTime = Number(this.startTime) + duration;
	this.callback = callback;
	this.tick();
	return this;
}

Morpher.prototype.assignStyle = function(element,style,value)
{
	switch(style) {
		case "-tw-vertScroll":
			window.scrollTo(findScrollX(),value);
			break;
		case "-tw-horizScroll":
			window.scrollTo(value,findScrollY());
			break;
		default:
			element.style[style] = value;
			break;
	}
};

Morpher.prototype.stop = function()
{
	for(var t=0; t<this.properties.length; t++) {
		var p = this.properties[t];
		if(p.atEnd !== undefined) {
			this.assignStyle(this.element,p.style,p.atEnd);
		}
	}
	if(this.callback)
		this.callback(this.element,this.properties);
};

Morpher.prototype.tick = function()
{
	var currTime = Number(new Date());
	progress = Animator.slowInSlowOut(Math.min(1,(currTime-this.startTime)/this.duration));
	for(var t=0; t<this.properties.length; t++) {
		var p = this.properties[t];
		if(p.start !== undefined && p.end !== undefined) {
			var template = p.template ? p.template : "%0";
			switch(p.format) {
				case undefined:
				case "style":
					var v = p.start + (p.end-p.start) * progress;
					this.assignStyle(this.element,p.style,template.format([v]));
					break;
				case "color":
					break;
			}
		}
	}
	if(currTime >= this.endTime) {
		this.stop();
		return false;
	}
	return true;
};

//--
//-- Zoomer animation
//--

function Zoomer(text,startElement,targetElement,unused)
{
	var e = createTiddlyElement(document.body,"div",null,"zoomer");
	createTiddlyElement(e,"div",null,null,text);
	var winWidth = findWindowWidth();
	var winHeight = findWindowHeight();
	var p = [
		{style: 'left', start: findPosX(startElement), end: findPosX(targetElement), template: '%0px'},
		{style: 'top', start: findPosY(startElement), end: findPosY(targetElement), template: '%0px'},
		{style: 'width', start: Math.min(startElement.scrollWidth,winWidth), end: Math.min(targetElement.scrollWidth,winWidth), template: '%0px', atEnd: 'auto'},
		{style: 'height', start: Math.min(startElement.scrollHeight,winHeight), end: Math.min(targetElement.scrollHeight,winHeight), template: '%0px', atEnd: 'auto'},
		{style: 'fontSize', start: 8, end: 24, template: '%0pt'}
	];
	var c = function(element,properties) {removeNode(element);};
	return new Morpher(e,config.animDuration,p,c);
}

//--
//-- Scroller animation
//--

function Scroller(targetElement,unused)
{
	var p = [
		{style: '-tw-vertScroll', start: findScrollY(), end: ensureVisible(targetElement)}
	];
	return new Morpher(targetElement,config.animDuration,p);
}

//--
//-- Slider animation
//--

// deleteMode - "none", "all" [delete target element and it's children], [only] "children" [but not the target element]
function Slider(element,opening,unused,deleteMode)
{
	element.style.overflow = 'hidden';
	if(opening)
		element.style.height = '0px'; // Resolves a Firefox flashing bug
	element.style.display = 'block';
	var left = findPosX(element);
	var width = element.scrollWidth;
	var height = element.scrollHeight;
	var winWidth = findWindowWidth();
	var p = [];
	var c = null;
	if(opening) {
		p.push({style: 'height', start: 0, end: height, template: '%0px', atEnd: 'auto'});
		p.push({style: 'opacity', start: 0, end: 1, template: '%0'});
		p.push({style: 'filter', start: 0, end: 100, template: 'alpha(opacity:%0)'});
	} else {
		p.push({style: 'height', start: height, end: 0, template: '%0px'});
		p.push({style: 'display', atEnd: 'none'});
		p.push({style: 'opacity', start: 1, end: 0, template: '%0'});
		p.push({style: 'filter', start: 100, end: 0, template: 'alpha(opacity:%0)'});
		switch(deleteMode) {
			case "all":
				c = function(element,properties) {removeNode(element);};
				break;
			case "children":
				c = function(element,properties) {removeChildren(element);};
				break;
		}
	}
	return new Morpher(element,config.animDuration,p,c);
}

//--
//-- Popup menu
//--

var Popup = {
	stack: [] // Array of objects with members root: and popup:
	};

Popup.create = function(root,elem,theClass)
{
	Popup.remove();
	var popup = createTiddlyElement(document.body,elem ? elem : "ol","popup",theClass ? theClass : "popup");
	Popup.stack.push({root: root, popup: popup});
	return popup;
};

Popup.onDocumentClick = function(e)
{
	if (!e) var e = window.event;
	var target = resolveTarget(e);
	if(e.eventPhase == undefined)
		Popup.remove();
	else if(e.eventPhase == Event.BUBBLING_PHASE || e.eventPhase == Event.AT_TARGET)
		Popup.remove();
	return true;
};

Popup.show = function(unused1,unused2)
{
	var curr = Popup.stack[Popup.stack.length-1];
	this.place(curr.root,curr.popup);
	addClass(curr.root,"highlight");
	if(config.options.chkAnimate && anim && typeof Scroller == "function")
		anim.startAnimating(new Scroller(curr.popup));
	else
		window.scrollTo(0,ensureVisible(curr.popup));
};

Popup.place = function(root,popup,offset)
{
	if(!offset) var offset = {x:0, y:0};
	var rootLeft = findPosX(root);
	var rootTop = findPosY(root);
	var rootHeight = root.offsetHeight;
	var popupLeft = rootLeft + offset.x;
	var popupTop = rootTop + rootHeight + offset.y;
	var winWidth = findWindowWidth();
	if(popup.offsetWidth > winWidth*0.75)
		popup.style.width = winWidth*0.75 + "px";
	var popupWidth = popup.offsetWidth;
	if(popupLeft + popupWidth > winWidth)
		popupLeft = winWidth - popupWidth;
	popup.style.left = popupLeft + "px";
	popup.style.top = popupTop + "px";
	popup.style.display = "block";
}

Popup.remove = function()
{
	if(Popup.stack.length > 0) {
		Popup.removeFrom(0);
	}
};

Popup.removeFrom = function(from)
{
	for(var t=Popup.stack.length-1; t>=from; t--) {
		var p = Popup.stack[t];
		removeClass(p.root,"highlight");
		removeNode(p.popup);
	}
	Popup.stack = Popup.stack.slice(0,from);
};

//--
//-- Wizard support
//--

function Wizard(elem)
{
	if(elem) {
		this.formElem = findRelated(elem,"wizard","className");
		this.bodyElem = findRelated(this.formElem.firstChild,"wizardBody","className","nextSibling");
		this.footElem = findRelated(this.formElem.firstChild,"wizardFooter","className","nextSibling");
	} else {
		this.formElem = null;
		this.bodyElem = null;
		this.footElem = null;
	}
}

Wizard.prototype.setValue = function(name,value)
{
	if(this.formElem)
		this.formElem[name] = value;
};

Wizard.prototype.getValue = function(name)
{
	return this.formElem ? this.formElem[name] : null;
};

Wizard.prototype.createWizard = function(place,title)
{
	this.formElem = createTiddlyElement(place,"form",null,"wizard");
	createTiddlyElement(this.formElem,"h1",null,null,title);
	this.bodyElem = createTiddlyElement(this.formElem,"div",null,"wizardBody");
	this.footElem = createTiddlyElement(this.formElem,"div",null,"wizardFooter");
};

Wizard.prototype.clear = function()
{
	removeChildren(this.bodyElem);
};

Wizard.prototype.setButtons = function(buttonInfo,status)
{
	removeChildren(this.footElem);
	for(var t=0; t<buttonInfo.length; t++) {
		createTiddlyButton(this.footElem,buttonInfo[t].caption,buttonInfo[t].tooltip,buttonInfo[t].onClick);
		insertSpacer(this.footElem);
		}
	if(typeof status == "string") {
		createTiddlyElement(this.footElem,"span",null,"status",status);
	}
};

Wizard.prototype.addStep = function(stepTitle,html)
{
	removeChildren(this.bodyElem);
	var w = createTiddlyElement(this.bodyElem,"div");
	createTiddlyElement(w,"h2",null,null,stepTitle);
	var step = createTiddlyElement(w,"div",null,"wizardStep");
	step.innerHTML = html;
	applyHtmlMacros(step,tiddler);
};

Wizard.prototype.getElement = function(name)
{
	return this.formElem.elements[name];
};

//--
//-- ListView gadget
//--

var ListView = {};

// Create a listview
ListView.create = function(place,listObject,listTemplate,callback,className)
{
	var table = createTiddlyElement(place,"table",null,className ? className : "listView twtable");
	var thead = createTiddlyElement(table,"thead");
	var r = createTiddlyElement(thead,"tr");
	for(var t=0; t<listTemplate.columns.length; t++) {
		var columnTemplate = listTemplate.columns[t];
		var c = createTiddlyElement(r,"th");
		var colType = ListView.columnTypes[columnTemplate.type];
		if(colType && colType.createHeader)
			colType.createHeader(c,columnTemplate,t);
	}
	var tbody = createTiddlyElement(table,"tbody");
	for(var rc=0; rc<listObject.length; rc++) {
		rowObject = listObject[rc];
		r = createTiddlyElement(tbody,"tr");
		for(c=0; c<listTemplate.rowClasses.length; c++) {
			if(rowObject[listTemplate.rowClasses[c].field])
				addClass(r,listTemplate.rowClasses[c].className);
		}
		rowObject.rowElement = r;
		rowObject.colElements = {};
		for(var cc=0; cc<listTemplate.columns.length; cc++) {
			c = createTiddlyElement(r,"td");
			columnTemplate = listTemplate.columns[cc];
			var field = columnTemplate.field;
			colType = ListView.columnTypes[columnTemplate.type];
			if(colType && colType.createItem)
				colType.createItem(c,rowObject,field,columnTemplate,cc,rc);
			rowObject.colElements[field] = c;
		}
	}
	if(callback && listTemplate.actions)
		createTiddlyDropDown(place,ListView.getCommandHandler(callback),listTemplate.actions);
	if(callback && listTemplate.buttons) {
		for(t=0; t<listTemplate.buttons.length; t++) {
			var a = listTemplate.buttons[t];
			if(a && a.name != "")
				createTiddlyButton(place,a.caption,null,ListView.getCommandHandler(callback,a.name,a.allowEmptySelection));
		}
	}
	return table;
};

ListView.getCommandHandler = function(callback,name,allowEmptySelection)
{
	return function(e) {
		var view = findRelated(this,"TABLE",null,"previousSibling");
		var tiddlers = [];
		ListView.forEachSelector(view,function(e,rowName) {
					if(e.checked)
						tiddlers.push(rowName);
					});
		if(tiddlers.length == 0 && !allowEmptySelection) {
			alert(config.messages.nothingSelected);
		} else {
			if(this.nodeName.toLowerCase() == "select") {
				callback(view,this.value,tiddlers);
				this.selectedIndex = 0;
			} else {
				callback(view,name,tiddlers);
			}
		}
	};
};

// Invoke a callback for each selector checkbox in the listview
ListView.forEachSelector = function(view,callback)
{
	var checkboxes = view.getElementsByTagName("input");
	var hadOne = false;
	for(var t=0; t<checkboxes.length; t++) {
		var cb = checkboxes[t];
		if(cb.getAttribute("type") == "checkbox") {
			var rn = cb.getAttribute("rowName");
			if(rn) {
				callback(cb,rn);
				hadOne = true;
			}
		}
	}
	return hadOne;
};

ListView.getSelectedRows = function(view)
{
	var rowNames = [];
	ListView.forEachSelector(view,function(e,rowName) {
				if(e.checked)
					rowNames.push(rowName);
				});
	return rowNames;
};

ListView.columnTypes = {};

ListView.columnTypes.String = {
	createHeader: function(place,columnTemplate,col)
		{
			createTiddlyText(place,columnTemplate.title);
		},
	createItem: function(place,listObject,field,columnTemplate,col,row)
		{
			var v = listObject[field];
			if(v != undefined)
				createTiddlyText(place,v);
		}
};

ListView.columnTypes.WikiText = {
	createHeader: ListView.columnTypes.String.createHeader,
	createItem: function(place,listObject,field,columnTemplate,col,row)
		{
			var v = listObject[field];
			if(v != undefined)
				wikify(v,place,null,null);
		}
};

ListView.columnTypes.Tiddler = {
	createHeader: ListView.columnTypes.String.createHeader,
	createItem: function(place,listObject,field,columnTemplate,col,row)
		{
			var v = listObject[field];
			if(v != undefined && v.title)
				createTiddlyPopup(place,v.title,config.messages.listView.tiddlerTooltip,v);
		}
};

ListView.columnTypes.Size = {
	createHeader: ListView.columnTypes.String.createHeader,
	createItem: function(place,listObject,field,columnTemplate,col,row)
		{
			var v = listObject[field];
			if(v != undefined) {
				var t = 0;
				while(t<config.messages.sizeTemplates.length-1 && v<config.messages.sizeTemplates[t].unit)
					t++;
				createTiddlyText(place,config.messages.sizeTemplates[t].template.format([Math.round(v/config.messages.sizeTemplates[t].unit)]));
			}
		}
};

ListView.columnTypes.Link = {
	createHeader: ListView.columnTypes.String.createHeader,
	createItem: function(place,listObject,field,columnTemplate,col,row)
		{
			var v = listObject[field];
			var c = columnTemplate.text;
			if(v != undefined)
				createTiddlyText(createExternalLink(place,v),c ? c : v);
		}
};

ListView.columnTypes.Date = {
	createHeader: ListView.columnTypes.String.createHeader,
	createItem: function(place,listObject,field,columnTemplate,col,row)
		{
			var v = listObject[field];
			if(v != undefined)
				createTiddlyText(place,v.formatString(columnTemplate.dateFormat));
		}
};

ListView.columnTypes.StringList = {
	createHeader: ListView.columnTypes.String.createHeader,
	createItem: function(place,listObject,field,columnTemplate,col,row)
		{
			var v = listObject[field];
			if(v != undefined) {
				for(var t=0; t<v.length; t++) {
					createTiddlyText(place,v[t]);
					createTiddlyElement(place,"br");
				}
			}
		}
};

ListView.columnTypes.Selector = {
	createHeader: function(place,columnTemplate,col)
		{
			createTiddlyCheckbox(place,null,false,this.onHeaderChange);
		},
	createItem: function(place,listObject,field,columnTemplate,col,row)
		{
			var e = createTiddlyCheckbox(place,null,listObject[field],null);
			e.setAttribute("rowName",listObject[columnTemplate.rowName]);
		},
	onHeaderChange: function(e)
		{
			var state = this.checked;
			var view = findRelated(this,"TABLE");
			if(!view)
				return;
			ListView.forEachSelector(view,function(e,rowName) {
								e.checked = state;
							});
		}
};

ListView.columnTypes.Tags = {
	createHeader: ListView.columnTypes.String.createHeader,
	createItem: function(place,listObject,field,columnTemplate,col,row)
		{
			var tags = listObject[field];
			createTiddlyText(place,String.encodeTiddlyLinkList(tags));
		}
};

ListView.columnTypes.Boolean = {
	createHeader: ListView.columnTypes.String.createHeader,
	createItem: function(place,listObject,field,columnTemplate,col,row)
		{
			if(listObject[field] == true)
				createTiddlyText(place,columnTemplate.trueText);
			if(listObject[field] == false)
				createTiddlyText(place,columnTemplate.falseText);
		}
};

ListView.columnTypes.TagCheckbox = {
	createHeader: ListView.columnTypes.String.createHeader,
	createItem: function(place,listObject,field,columnTemplate,col,row)
		{
			var e = createTiddlyCheckbox(place,null,listObject[field],this.onChange);
			e.setAttribute("tiddler",listObject.title);
			e.setAttribute("tag",columnTemplate.tag);
		},
	onChange : function(e)
		{
			var tag = this.getAttribute("tag");
			var tiddler = this.getAttribute("tiddler");
			store.setTiddlerTag(tiddler,this.checked,tag);
		}
};

ListView.columnTypes.TiddlerLink = {
	createHeader: ListView.columnTypes.String.createHeader,
	createItem: function(place,listObject,field,columnTemplate,col,row)
		{
			var v = listObject[field];
			if(v != undefined) {
				var link = createTiddlyLink(place,listObject[columnTemplate.tiddlerLink],false,null);
				createTiddlyText(link,listObject[field]);
			}
		}
};

//--
//-- Augmented methods for the JavaScript Number(), Array(), String() and Date() objects
//--

// Clamp a number to a range
Number.prototype.clamp = function(min,max)
{
	var c = this;
	if(c < min)
		c = min;
	if(c > max)
		c = max;
	return c;
};

// Add indexOf function if browser does not support it
if(!Array.indexOf) {
Array.prototype.indexOf = function(item,from)
{
	if(!from)
		from = 0;
	for(var i=from; i<this.length; i++) {
		if(this[i] === item)
			return i;
	}
	return -1;
};}

// Find an entry in a given field of the members of an array
Array.prototype.findByField = function(field,value)
{
	for(var t=0; t<this.length; t++) {
		if(this[t][field] == value)
			return t;
	}
	return null;
};

// Return whether an entry exists in an array
Array.prototype.contains = function(item)
{
	return this.indexOf(item) != -1;
};

// Adds, removes or toggles a particular value within an array
//  value - value to add
//  mode - +1 to add value, -1 to remove value, 0 to toggle it
Array.prototype.setItem = function(value,mode)
{
	var p = this.indexOf(value);
	if(mode == 0)
		mode = (p == -1) ? +1 : -1;
	if(mode == +1) {
		if(p == -1)
			this.push(value);
	} else if(mode == -1) {
		if(p != -1)
			this.splice(p,1);
	}
};

// Return whether one of a list of values exists in an array
Array.prototype.containsAny = function(items)
{
	for(var i=0; i<items.length; i++) {
		if (this.indexOf(items[i]) != -1)
			return true;
	}
	return false;
};

// Return whether all of a list of values exists in an array
Array.prototype.containsAll = function(items)
{
	for (var i = 0; i<items.length; i++) {
		if (this.indexOf(items[i]) == -1)
			return false;
	}
	return true;
};

// Push a new value into an array only if it is not already present in the array. If the optional unique parameter is false, it reverts to a normal push
Array.prototype.pushUnique = function(item,unique)
{
	if(unique === false) {
		this.push(item);
	} else {
		if(this.indexOf(item) == -1)
			this.push(item);
	}
};

Array.prototype.remove = function(item)
{
	var p = this.indexOf(item);
	if(p != -1)
		this.splice(p,1);
};

// Get characters from the right end of a string
String.prototype.right = function(n)
{
	return n < this.length ? this.slice(this.length-n) : this;
};

// Trim whitespace from both ends of a string
String.prototype.trim = function()
{
	return this.replace(/^\s*|\s*$/g,"");
};

// Convert a string from a CSS style property name to a JavaScript style name ("background-color" -> "backgroundColor")
String.prototype.unDash = function()
{
	var s = this.split("-");
	if(s.length > 1) {
		for(var t=1; t<s.length; t++)
			s[t] = s[t].substr(0,1).toUpperCase() + s[t].substr(1);
	}
	return s.join("");
};

// Substitute substrings from an array into a format string that includes '%1'-type specifiers
String.prototype.format = function(substrings)
{
	var subRegExp = /(?:%(\d+))/mg;
	var currPos = 0;
	var r = [];
	do {
		var match = subRegExp.exec(this);
		if(match && match[1]) {
			if(match.index > currPos)
				r.push(this.substring(currPos,match.index));
			r.push(substrings[parseInt(match[1])]);
			currPos = subRegExp.lastIndex;
		}
	} while(match);
	if(currPos < this.length)
		r.push(this.substring(currPos,this.length));
	return r.join("");
};

// Escape any special RegExp characters with that character preceded by a backslash
String.prototype.escapeRegExp = function()
{
	var s = "\\^$*+?()=!|,{}[].";
	var c = this;
	for(var t=0; t<s.length; t++)
		c = c.replace(new RegExp("\\" + s.substr(t,1),"g"),"\\" + s.substr(t,1));
	return c;
};

// Convert "\" to "\s", newlines to "\n" (and remove carriage returns)
String.prototype.escapeLineBreaks = function()
{
	return this.replace(/\\/mg,"\\s").replace(/\n/mg,"\\n").replace(/\r/mg,"");
};

// Convert "\n" to newlines, "\b" to " ", "\s" to "\" (and remove carriage returns)
String.prototype.unescapeLineBreaks = function()
{
	return this.replace(/\\n/mg,"\n").replace(/\\b/mg," ").replace(/\\s/mg,"\\").replace(/\r/mg,"");
};

// Convert & to "&amp;", < to "&lt;", > to "&gt;" and " to "&quot;"
String.prototype.htmlEncode = function()
{
	return this.replace(/&/mg,"&amp;").replace(/</mg,"&lt;").replace(/>/mg,"&gt;").replace(/\"/mg,"&quot;");
};

// Convert "&amp;" to &, "&lt;" to <, "&gt;" to > and "&quot;" to "
String.prototype.htmlDecode = function()
{
	return this.replace(/&lt;/mg,"<").replace(/&gt;/mg,">").replace(/&quot;/mg,"\"").replace(/&amp;/mg,"&");
};

// Convert a string to it's JSON representation by encoding control characters, double quotes and backslash. See json.org
String.prototype.toJSONString = function()
{
	var m = {
		'\b': '\\b',
		'\f': '\\f',
		'\n': '\\n',
		'\r': '\\r',
		'\t': '\\t',
		'"' : '\\"',
		'\\': '\\\\'
		};
	var replaceFn = function(a,b) {
		var c = m[b];
		if(c)
			return c;
		c = b.charCodeAt();
		return '\\u00' + Math.floor(c / 16).toString(16) + (c % 16).toString(16);
		};
	if(/["\\\x00-\x1f]/.test(this))
		return '"' + this.replace(/([\x00-\x1f\\"])/g,replaceFn) + '"';
	return '"' + this + '"';
};

// Parse a space-separated string of name:value parameters
// The result is an array of objects:
//   result[0] = object with a member for each parameter name, value of that member being an array of values
//   result[1..n] = one object for each parameter, with 'name' and 'value' members
String.prototype.parseParams = function(defaultName,defaultValue,allowEval,noNames,cascadeDefaults)
{
	var parseToken = function(match,p) {
		var n;
		if(match[p]) // Double quoted
			n = match[p];
		else if(match[p+1]) // Single quoted
			n = match[p+1];
		else if(match[p+2]) // Double-square-bracket quoted
			n = match[p+2];
		else if(match[p+3]) // Double-brace quoted
			try {
				n = match[p+3];
				if(allowEval)
					n = window.eval(n);
			} catch(ex) {
				throw "Unable to evaluate {{" + match[p+3] + "}}: " + exceptionText(ex);
			}
		else if(match[p+4]) // Unquoted
			n = match[p+4];
		else if(match[p+5]) // empty quote
			n = "";
		return n;
	};
	var r = [{}];
	var dblQuote = "(?:\"((?:(?:\\\\\")|[^\"])+)\")";
	var sngQuote = "(?:'((?:(?:\\\\\')|[^'])+)')";
	var dblSquare = "(?:\\[\\[((?:\\s|\\S)*?)\\]\\])";
	var dblBrace = "(?:\\{\\{((?:\\s|\\S)*?)\\}\\})";
	var unQuoted = noNames ? "([^\"'\\s]\\S*)" : "([^\"':\\s][^\\s:]*)";
	var emptyQuote = "((?:\"\")|(?:''))";
	var skipSpace = "(?:\\s*)";
	var token = "(?:" + dblQuote + "|" + sngQuote + "|" + dblSquare + "|" + dblBrace + "|" + unQuoted + "|" + emptyQuote + ")";
	var re = noNames ? new RegExp(token,"mg") : new RegExp(skipSpace + token + skipSpace + "(?:(\\:)" + skipSpace + token + ")?","mg");
	var params = [];
	do {
		var match = re.exec(this);
		if(match) {
			var n = parseToken(match,1);
			if(noNames) {
				r.push({name:"",value:n});
			} else {
				var v = parseToken(match,8);
				if(v == null && defaultName) {
					v = n;
					n = defaultName;
				} else if(v == null && defaultValue) {
					v = defaultValue;
				}
				r.push({name:n,value:v});
				if(cascadeDefaults) {
					defaultName = n;
					defaultValue = v;
				}
			}
		}
	} while(match);
	// Summarise parameters into first element
	for(var t=1; t<r.length; t++) {
		if(r[0][r[t].name])
			r[0][r[t].name].push(r[t].value);
		else
			r[0][r[t].name] = [r[t].value];
	}
	return r;
};

// Process a string list of macro parameters into an array. Parameters can be quoted with "", '',
// [[]], {{ }} or left unquoted (and therefore space-separated). Double-braces {{}} results in
// an *evaluated* parameter: e.g. {{config.options.txtUserName}} results in the current user's name.
String.prototype.readMacroParams = function()
{
	var p = this.parseParams("list",null,true,true);
	var n = [];
	for(var t=1; t<p.length; t++)
		n.push(p[t].value);
	return n;
};

// Process a string list of unique tiddler names into an array. Tiddler names that have spaces in them must be [[bracketed]]
String.prototype.readBracketedList = function(unique)
{
	var p = this.parseParams("list",null,false,true);
	var n = [];
	for(var t=1; t<p.length; t++)
		n.pushUnique(p[t].value,unique);
	return n;
};

// Returns array with start and end index of chunk between given start and end marker, or undefined.
String.prototype.getChunkRange = function(start,end) 
{
	var s = this.indexOf(start);
	if(s != -1) {
		s += start.length;
		var e = this.indexOf(end,s);
		if(e != -1)
			return [s,e];
	}
};

// Replace a chunk of a string given start and end markers
String.prototype.replaceChunk = function(start,end,sub)
{
	var r = this.getChunkRange(start,end);
	return r ? this.substring(0,r[0]) + sub + this.substring(r[1]) : this;
};

// Returns a chunk of a string between start and end markers, or undefined
String.prototype.getChunk = function(start,end)
{
	var r = this.getChunkRange(start,end);
	if(r)
		return this.substring(r[0],r[1]);
};


// Static method to bracket a string with double square brackets if it contains a space
String.encodeTiddlyLink = function(title)
{
	return title.indexOf(" ") == -1 ? title : "[[" + title + "]]";
};

// Static method to encodeTiddlyLink for every item in an array and join them with spaces
String.encodeTiddlyLinkList = function(list)
{
	if(list) {
		var results = [];
		for(var t=0; t<list.length; t++)
			results.push(String.encodeTiddlyLink(list[t]));
		return results.join(" ");
	} else {
		return "";
	}
};

// Convert a string as a sequence of name:"value" pairs into a hashmap
String.prototype.decodeHashMap = function()
{
	var fields = this.parseParams("anon","",false);
	var r = {};
	for(var t=1; t<fields.length; t++)
		r[fields[t].name] = fields[t].value;
	return r;
};

// Static method to encode a hashmap into a name:"value"... string
String.encodeHashMap = function(hashmap)
{
	var r = [];
	for(var t in hashmap)
		r.push(t + ':"' + hashmap[t] + '"');
	return r.join(" ");
};

// Static method to left-pad a string with 0s to a certain width
String.zeroPad = function(n,d)
{
	var s = n.toString();
	if(s.length < d)
		s = "000000000000000000000000000".substr(0,d-s.length) + s;
	return s;
};

String.prototype.startsWith = function(prefix) 
{
	return !prefix || this.substring(0,prefix.length) == prefix;
};

// Returns the first value of the given named parameter.
function getParam(params,name,defaultValue)
{
	if(!params)
		return defaultValue;
	var p = params[0][name];
	return p ? p[0] : defaultValue;
}

// Returns the first value of the given boolean named parameter.
function getFlag(params,name,defaultValue)
{
	return !!getParam(params,name,defaultValue);
}

// Substitute date components into a string
Date.prototype.formatString = function(template)
{
	var t = template.replace(/0hh12/g,String.zeroPad(this.getHours12(),2));
	t = t.replace(/hh12/g,this.getHours12());
	t = t.replace(/0hh/g,String.zeroPad(this.getHours(),2));
	t = t.replace(/hh/g,this.getHours());
	t = t.replace(/mmm/g,config.messages.dates.shortMonths[this.getMonth()]);
	t = t.replace(/0mm/g,String.zeroPad(this.getMinutes(),2));
	t = t.replace(/mm/g,this.getMinutes());
	t = t.replace(/0ss/g,String.zeroPad(this.getSeconds(),2));
	t = t.replace(/ss/g,this.getSeconds());
	t = t.replace(/[ap]m/g,this.getAmPm().toLowerCase());
	t = t.replace(/[AP]M/g,this.getAmPm().toUpperCase());
	t = t.replace(/wYYYY/g,this.getYearForWeekNo());
	t = t.replace(/wYY/g,String.zeroPad(this.getYearForWeekNo()-2000,2));
	t = t.replace(/YYYY/g,this.getFullYear());
	t = t.replace(/YY/g,String.zeroPad(this.getFullYear()-2000,2));
	t = t.replace(/MMM/g,config.messages.dates.months[this.getMonth()]);
	t = t.replace(/0MM/g,String.zeroPad(this.getMonth()+1,2));
	t = t.replace(/MM/g,this.getMonth()+1);
	t = t.replace(/0WW/g,String.zeroPad(this.getWeek(),2));
	t = t.replace(/WW/g,this.getWeek());
	t = t.replace(/DDD/g,config.messages.dates.days[this.getDay()]);
	t = t.replace(/ddd/g,config.messages.dates.shortDays[this.getDay()]);
	t = t.replace(/0DD/g,String.zeroPad(this.getDate(),2));
	t = t.replace(/DDth/g,this.getDate()+this.daySuffix());
	t = t.replace(/DD/g,this.getDate());
	return t;
};

Date.prototype.getWeek = function()
{
	var dt = new Date(this.getTime());
	var d = dt.getDay();
	if (d==0) d=7;// JavaScript Sun=0, ISO Sun=7
	dt.setTime(dt.getTime()+(4-d)*86400000);// shift day to Thurs of same week to calculate weekNo
	var n = Math.floor((dt.getTime()-new Date(dt.getFullYear(),0,1)+3600000)/86400000); 
	return Math.floor(n/7)+1;
};

Date.prototype.getYearForWeekNo = function()
{
	var dt = new Date(this.getTime());
	var d = dt.getDay();
	if (d==0) d=7;// JavaScript Sun=0, ISO Sun=7
	dt.setTime(dt.getTime()+(4-d)*86400000);// shift day to Thurs of same week
	return dt.getFullYear();
};

Date.prototype.getHours12 = function()
{
	var h = this.getHours();
	return h > 12 ? h-12 : ( h > 0 ? h : 12 );
};

Date.prototype.getAmPm = function()
{
	return this.getHours() >= 12 ? config.messages.dates.pm : config.messages.dates.am;
};

Date.prototype.daySuffix = function()
{
	return config.messages.dates.daySuffixes[this.getDate()-1];
};

// Convert a date to local YYYYMMDDHHMM string format
Date.prototype.convertToLocalYYYYMMDDHHMM = function()
{
	return String.zeroPad(this.getFullYear(),4) + String.zeroPad(this.getMonth()+1,2) + String.zeroPad(this.getDate(),2) + String.zeroPad(this.getHours(),2) + String.zeroPad(this.getMinutes(),2);
};

// Convert a date to UTC YYYYMMDDHHMM string format
Date.prototype.convertToYYYYMMDDHHMM = function()
{
	return String.zeroPad(this.getUTCFullYear(),4) + String.zeroPad(this.getUTCMonth()+1,2) + String.zeroPad(this.getUTCDate(),2) + String.zeroPad(this.getUTCHours(),2) + String.zeroPad(this.getUTCMinutes(),2);
};

// Convert a date to UTC YYYYMMDD.HHMMSSMMM string format
Date.prototype.convertToYYYYMMDDHHMMSSMMM = function()
{
	return String.zeroPad(this.getUTCFullYear(),4) + String.zeroPad(this.getUTCMonth()+1,2) + String.zeroPad(this.getUTCDate(),2) + "." + String.zeroPad(this.getUTCHours(),2) + String.zeroPad(this.getUTCMinutes(),2) + String.zeroPad(this.getUTCSeconds(),2) + String.zeroPad(this.getUTCMilliseconds(),4);
};

// Static method to create a date from a UTC YYYYMMDDHHMM format string
Date.convertFromYYYYMMDDHHMM = function(d)
{
	return new Date(Date.UTC(parseInt(d.substr(0,4),10),
			parseInt(d.substr(4,2),10)-1,
			parseInt(d.substr(6,2),10),
			parseInt(d.substr(8,2),10),
			parseInt(d.substr(10,2),10),0,0));
};

//--
//-- Crypto functions and associated conversion routines
//--

// Crypto "namespace"
function Crypto() {}

// Convert a string to an array of big-endian 32-bit words
Crypto.strToBe32s = function(str)
{
	var be = Array();
	var len = Math.floor(str.length/4);
	var i, j;
	for(i=0, j=0; i<len; i++, j+=4) {
		be[i] = ((str.charCodeAt(j)&0xff) << 24)|((str.charCodeAt(j+1)&0xff) << 16)|((str.charCodeAt(j+2)&0xff) << 8)|(str.charCodeAt(j+3)&0xff);
	}
	while (j<str.length) {
		be[j>>2] |= (str.charCodeAt(j)&0xff)<<(24-(j*8)%32);
		j++;
	}
	return be;
};

// Convert an array of big-endian 32-bit words to a string
Crypto.be32sToStr = function(be)
{
	var str = "";
	for(var i=0;i<be.length*32;i+=8)
		str += String.fromCharCode((be[i>>5]>>>(24-i%32)) & 0xff);
	return str;
};

// Convert an array of big-endian 32-bit words to a hex string
Crypto.be32sToHex = function(be)
{
	var hex = "0123456789ABCDEF";
	var str = "";
	for(var i=0;i<be.length*4;i++)
		str += hex.charAt((be[i>>2]>>((3-i%4)*8+4))&0xF) + hex.charAt((be[i>>2]>>((3-i%4)*8))&0xF);
	return str;
};

// Return, in hex, the SHA-1 hash of a string
Crypto.hexSha1Str = function(str)
{
	return Crypto.be32sToHex(Crypto.sha1Str(str));
};

// Return the SHA-1 hash of a string
Crypto.sha1Str = function(str)
{
	return Crypto.sha1(Crypto.strToBe32s(str),str.length);
};

// Calculate the SHA-1 hash of an array of blen bytes of big-endian 32-bit words
Crypto.sha1 = function(x,blen)
{
	// Add 32-bit integers, wrapping at 32 bits
	add32 = function(a,b)
	{
		var lsw = (a&0xFFFF)+(b&0xFFFF);
		var msw = (a>>16)+(b>>16)+(lsw>>16);
		return (msw<<16)|(lsw&0xFFFF);
	};
	// Add five 32-bit integers, wrapping at 32 bits
	add32x5 = function(a,b,c,d,e)
	{
		var lsw = (a&0xFFFF)+(b&0xFFFF)+(c&0xFFFF)+(d&0xFFFF)+(e&0xFFFF);
		var msw = (a>>16)+(b>>16)+(c>>16)+(d>>16)+(e>>16)+(lsw>>16);
		return (msw<<16)|(lsw&0xFFFF);
	};
	// Bitwise rotate left a 32-bit integer by 1 bit
	rol32 = function(n)
	{
		return (n>>>31)|(n<<1);
	};

	var len = blen*8;
	// Append padding so length in bits is 448 mod 512
	x[len>>5] |= 0x80 << (24-len%32);
	// Append length
	x[((len+64>>9)<<4)+15] = len;
	var w = Array(80);

	var k1 = 0x5A827999;
	var k2 = 0x6ED9EBA1;
	var k3 = 0x8F1BBCDC;
	var k4 = 0xCA62C1D6;

	var h0 = 0x67452301;
	var h1 = 0xEFCDAB89;
	var h2 = 0x98BADCFE;
	var h3 = 0x10325476;
	var h4 = 0xC3D2E1F0;

	for(var i=0;i<x.length;i+=16) {
		var j,t;
		var a = h0;
		var b = h1;
		var c = h2;
		var d = h3;
		var e = h4;
		for(j = 0;j<16;j++) {
			w[j] = x[i+j];
			t = add32x5(e,(a>>>27)|(a<<5),d^(b&(c^d)),w[j],k1);
			e=d; d=c; c=(b>>>2)|(b<<30); b=a; a = t;
		}
		for(j=16;j<20;j++) {
			w[j] = rol32(w[j-3]^w[j-8]^w[j-14]^w[j-16]);
			t = add32x5(e,(a>>>27)|(a<<5),d^(b&(c^d)),w[j],k1);
			e=d; d=c; c=(b>>>2)|(b<<30); b=a; a = t;
		}
		for(j=20;j<40;j++) {
			w[j] = rol32(w[j-3]^w[j-8]^w[j-14]^w[j-16]);
			t = add32x5(e,(a>>>27)|(a<<5),b^c^d,w[j],k2);
			e=d; d=c; c=(b>>>2)|(b<<30); b=a; a = t;
		}
		for(j=40;j<60;j++) {
			w[j] = rol32(w[j-3]^w[j-8]^w[j-14]^w[j-16]);
			t = add32x5(e,(a>>>27)|(a<<5),(b&c)|(d&(b|c)),w[j],k3);
			e=d; d=c; c=(b>>>2)|(b<<30); b=a; a = t;
		}
		for(j=60;j<80;j++) {
			w[j] = rol32(w[j-3]^w[j-8]^w[j-14]^w[j-16]);
			t = add32x5(e,(a>>>27)|(a<<5),b^c^d,w[j],k4);
			e=d; d=c; c=(b>>>2)|(b<<30); b=a; a = t;
		}

		h0 = add32(h0,a);
		h1 = add32(h1,b);
		h2 = add32(h2,c);
		h3 = add32(h3,d);
		h4 = add32(h4,e);
	}
	return Array(h0,h1,h2,h3,h4);
};

//--
//-- RGB colour object
//--

// Construct an RGB colour object from a '#rrggbb', '#rgb' or 'rgb(n,n,n)' string or from separate r,g,b values
function RGB(r,g,b)
{
	this.r = 0;
	this.g = 0;
	this.b = 0;
	if(typeof r == "string") {
		if(r.substr(0,1) == "#") {
			if(r.length == 7) {
				this.r = parseInt(r.substr(1,2),16)/255;
				this.g = parseInt(r.substr(3,2),16)/255;
				this.b = parseInt(r.substr(5,2),16)/255;
			} else {
				this.r = parseInt(r.substr(1,1),16)/15;
				this.g = parseInt(r.substr(2,1),16)/15;
				this.b = parseInt(r.substr(3,1),16)/15;
			}
		} else {
			var rgbPattern = /rgb\s*\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*\)/;
			var c = r.match(rgbPattern);
			if(c) {
				this.r = parseInt(c[1],10)/255;
				this.g = parseInt(c[2],10)/255;
				this.b = parseInt(c[3],10)/255;
			}
		}
	} else {
		this.r = r;
		this.g = g;
		this.b = b;
	}
	return this;
}

// Mixes this colour with another in a specified proportion
// c = other colour to mix
// f = 0..1 where 0 is this colour and 1 is the new colour
// Returns an RGB object
RGB.prototype.mix = function(c,f)
{
	return new RGB(this.r + (c.r-this.r) * f,this.g + (c.g-this.g) * f,this.b + (c.b-this.b) * f);
};

// Return an rgb colour as a #rrggbb format hex string
RGB.prototype.toString = function()
{
	return "#" + ("0" + Math.floor(this.r.clamp(0,1) * 255).toString(16)).right(2) +
				 ("0" + Math.floor(this.g.clamp(0,1) * 255).toString(16)).right(2) +
				 ("0" + Math.floor(this.b.clamp(0,1) * 255).toString(16)).right(2);
};

//--
//-- DOM utilities - many derived from www.quirksmode.org
//--

function drawGradient(place,horiz,colours)
{
	for(var t=0; t<= 100; t+=2) {
		var bar = document.createElement("div");
		place.appendChild(bar);
		bar.style.position = "absolute";
		bar.style.left = horiz ? t + "%" : 0;
		bar.style.top = horiz ? 0 : t + "%";
		bar.style.width = horiz ? (101-t) + "%" : "100%";
		bar.style.height = horiz ? "100%" : (101-t) + "%";
		bar.style.zIndex = -1;
		var f = t/100;
		var p = f*(colours.length-1);
		bar.style.backgroundColor = colours[Math.floor(p)].mix(colours[Math.ceil(p)],p-Math.floor(p)).toString();
	}
}

function createTiddlyText(theParent,theText)
{
	return theParent.appendChild(document.createTextNode(theText));
}

function createTiddlyCheckbox(theParent,caption,checked,onChange)
{
	var cb = document.createElement("input");
	cb.setAttribute("type","checkbox");
	cb.onclick = onChange;
	theParent.appendChild(cb);
	cb.checked = checked;
	cb.className = "chkOptionInput";
	if(caption)
		wikify(caption,theParent);
	return cb;
}

function createTiddlyElement(theParent,theElement,theID,theClass,theText)
{
	var e = document.createElement(theElement);
	if(theClass != null)
		e.className = theClass;
	if(theID != null)
		e.setAttribute("id",theID);
	if(theText != null)
		e.appendChild(document.createTextNode(theText));
	if(theParent != null)
		theParent.appendChild(e);
	return e;
}

function addEvent(obj,type,fn)
{
	if(obj.attachEvent) {
		obj['e'+type+fn] = fn;
		obj[type+fn] = function(){obj['e'+type+fn](window.event);};
		obj.attachEvent('on'+type,obj[type+fn]);
	} else {
		obj.addEventListener(type,fn,false);
	}
}

function removeEvent(obj,type,fn)
{
	if(obj.detachEvent) {
		obj.detachEvent('on'+type,obj[type+fn]);
		obj[type+fn] = null;
	} else {
		obj.removeEventListener(type,fn,false);
	}
}

function addClass(e,theClass)
{
	var currClass = e.className.split(" ");
	if(currClass.indexOf(theClass) == -1)
		e.className += " " + theClass;
}

function removeClass(e,theClass)
{
	var currClass = e.className.split(" ");
	var i = currClass.indexOf(theClass);
	while(i != -1) {
		currClass.splice(i,1);
		i = currClass.indexOf(theClass);
	}
	e.className = currClass.join(" ");
}

function hasClass(e,theClass)
{
	if(e.className) {
		if(e.className.split(" ").indexOf(theClass) != -1)
			return true;
	}
	return false;
}

// Find the closest relative with a given property value (property defaults to tagName, relative defaults to parentNode)
function findRelated(e,value,name,relative)
{
	name = name ? name : "tagName";
	relative = relative ? relative : "parentNode";
	if(name == "className") {
		while(e && !hasClass(e,value)) {
			e = e[relative];
		}
	} else {
		while(e && e[name] != value) {
			e = e[relative];
		}
	}
	return e;
}

// Resolve the target object of an event
function resolveTarget(e)
{
	var obj;
	if(e.target)
		obj = e.target;
	else if(e.srcElement)
		obj = e.srcElement;
	if(obj.nodeType == 3) // defeat Safari bug
		obj = obj.parentNode;
	return obj;
}

// Return the content of an element as plain text with no formatting
function getPlainText(e)
{
	var text = "";
	if(e.innerText)
		text = e.innerText;
	else if(e.textContent)
		text = e.textContent;
	return text;
}

// Get the scroll position for window.scrollTo necessary to scroll a given element into view
function ensureVisible(e)
{
	var posTop = findPosY(e);
	var posBot = posTop + e.offsetHeight;
	var winTop = findScrollY();
	var winHeight = findWindowHeight();
	var winBot = winTop + winHeight;
	if(posTop < winTop) {
		return posTop;
	} else if(posBot > winBot) {
		if(e.offsetHeight < winHeight)
			return posTop - (winHeight - e.offsetHeight);
		else
			return posTop;
	} else {
		return winTop;
	}
}

// Get the current width of the display window
function findWindowWidth()
{
	return window.innerWidth ? window.innerWidth : document.documentElement.clientWidth;
}

// Get the current height of the display window
function findWindowHeight()
{
	return window.innerHeight ? window.innerHeight : document.documentElement.clientHeight;
}

// Get the current horizontal page scroll position
function findScrollX()
{
	return window.scrollX ? window.scrollX : document.documentElement.scrollLeft;
}

// Get the current vertical page scroll position
function findScrollY()
{
	return window.scrollY ? window.scrollY : document.documentElement.scrollTop;
}

function findPosX(obj)
{
	var curleft = 0;
	while(obj.offsetParent) {
		curleft += obj.offsetLeft;
		obj = obj.offsetParent;
	}
	return curleft;
}

function findPosY(obj)
{
	var curtop = 0;
	while(obj.offsetParent) {
		curtop += obj.offsetTop;
		obj = obj.offsetParent;
	}
	return curtop;
}

// Blur a particular element
function blurElement(e)
{
	if(e != null && e.focus && e.blur) {
		e.focus();
		e.blur();
	}
}

// Create a non-breaking space
function insertSpacer(place)
{
	var e = document.createTextNode(String.fromCharCode(160));
	if(place)
		place.appendChild(e);
	return e;
}

// Remove all children of a node
function removeChildren(e)
{
	while(e && e.hasChildNodes())
		removeNode(e.firstChild);
}

// Remove a node and all it's children
function removeNode(e)
{
	scrubNode(e);
	e.parentNode.removeChild(e);
}

// Remove any event handlers or non-primitve custom attributes
function scrubNode(e)
{
	var att = e.attributes;
	if(att) {
		for(var t=0; t<att.length; t++) {
			var n = att[t].name;
			if(n !== 'style' && (typeof e[n] === 'function' || (typeof e[n] === 'object' && e[n] != null))) {
				try {
					e[n] = null;
				} catch(ex) {
				}
			}
		}
	}
	var c = e.firstChild;
	while(c) {
		scrubNode(c);
		c = c.nextSibling;
	}
}

// Add a stylesheet, replacing any previous custom stylesheet
function setStylesheet(s,id,doc)
{
	if(!id)
		id = "customStyleSheet";
	if(!doc)
		doc = document;
	var n = doc.getElementById(id);
	if(doc.createStyleSheet) {
		// Test for IE's non-standard createStyleSheet method
		if(n)
			n.parentNode.removeChild(n);
		// This failed without the &nbsp;
		doc.getElementsByTagName("head")[0].insertAdjacentHTML("beforeEnd","&nbsp;<style id='" + id + "'>" + s + "</style>");
	} else {
		if(n) {
			n.replaceChild(doc.createTextNode(s),n.firstChild);
		} else {
			n = doc.createElement("style");
			n.type = "text/css";
			n.id = id;
			n.appendChild(doc.createTextNode(s));
			doc.getElementsByTagName("head")[0].appendChild(n);
		}
	}
}

// Force the browser to do a document reflow when needed to workaround browser bugs
function forceReflow()
{
	if(config.browser.isGecko) {
		setStylesheet("body {top:-1em;margin-top:1em;}");
		setStylesheet("");
	}
}

// Replace the current selection of a textarea or text input and scroll it into view
function replaceSelection(e,text)
{
	if(e.setSelectionRange) {
		var oldpos = e.selectionStart;
		var isRange = e.selectionEnd > e.selectionStart;
		e.value = e.value.substr(0,e.selectionStart) + text + e.value.substr(e.selectionEnd);
		e.setSelectionRange(isRange ? oldpos : oldpos + text.length,oldpos + text.length);
		var linecount = e.value.split('\n').length;
		var thisline = e.value.substr(0,e.selectionStart).split('\n').length-1;
		e.scrollTop = Math.floor((thisline - e.rows / 2) * e.scrollHeight / linecount);
	} else if(document.selection) {
		var range = document.selection.createRange();
		if(range.parentElement() == e) {
			var isCollapsed = range.text == "";
			range.text = text;
			if(!isCollapsed) {
				range.moveStart('character', -text.length);
				range.select();
			}
		}
	}
}

// Returns the text of the given (text) node, possibly merging subsequent text nodes
function getNodeText(e)
{
	var t = ""; 
	while(e && e.nodeName == "#text") {
		t += e.nodeValue;
		e = e.nextSibling;
	}
	return t;
}

//--
//-- LoaderBase and SaverBase
//--

function LoaderBase() {}

LoaderBase.prototype.loadTiddler = function(store,node,tiddlers)
{
	var title = this.getTitle(store,node);
	if(title) {
		var tiddler = store.createTiddler(title);
		this.internalizeTiddler(store,tiddler,title,node);
		tiddlers.push(tiddler);
	}
};

LoaderBase.prototype.loadTiddlers = function(store,nodes)
{
	var tiddlers = [];
	for(var t = 0; t < nodes.length; t++) {
		try {
			this.loadTiddler(store,nodes[t],tiddlers);
		} catch(ex) {
			showException(ex,config.messages.tiddlerLoadError.format([this.getTitle(store,nodes[t])]));
		}
	}
	return tiddlers;
};


function SaverBase() {}

SaverBase.prototype.externalize = function(store,isShadowed)
{
	var isShadowed = (typeof isShadowed != 'undefined');
	var results = [];
	var tiddlers = store.getTiddlers("title");
	for(var t = 0; t < tiddlers.length; t++)
		results.push(isShadowed?this.externalizeShadow(store,tiddlers[t]):this.externalizeTiddler(store,tiddlers[t]));
	return results.join("\n");
};
//--
//-- TW21Loader (inherits from LoaderBase)
//--

function TW21Loader() {}

TW21Loader.prototype = new LoaderBase();

TW21Loader.prototype.getTitle = function(store,node)
{
	var title = null;
	if(node.getAttribute) {
		title = node.getAttribute("title");
		if(!title)
			title = node.getAttribute("tiddler");
	}
	if(!title && node.id) {
		var lenPrefix = store.idPrefix.length;
		if (node.id.substr(0,lenPrefix) == store.idPrefix)
			title = node.id.substr(lenPrefix);
	}
	return title;
};

TW21Loader.prototype.internalizeTiddler = function(store,tiddler,title,node)
{
	var e = node.firstChild;
	var text = null;
	if(node.getAttribute("tiddler")) {
		text = getNodeText(e).unescapeLineBreaks();
	} else {
		while(e.nodeName!="PRE" && e.nodeName!="pre") {
			e = e.nextSibling;
		}
		text = e.innerHTML.replace(/\r/mg,"").htmlDecode();
	}
	var modifier = node.getAttribute("modifier");
	var c = node.getAttribute("created");
	var m = node.getAttribute("modified");
	var created = c ? Date.convertFromYYYYMMDDHHMM(c) : version.date;
	var modified = m ? Date.convertFromYYYYMMDDHHMM(m) : created;
	var tags = node.getAttribute("tags");
	var fields = {};
	var attrs = node.attributes;
	for(var i = attrs.length-1; i >= 0; i--) {
		var name = attrs[i].name;
		if (attrs[i].specified && !TiddlyWiki.isStandardField(name)) {
			fields[name] = attrs[i].value.unescapeLineBreaks();
		}
	}
	tiddler.assign(title,text,modifier,modified,tags,created,fields);
	return tiddler;
};

//--
//-- TW21Saver (inherits from SaverBase)
//--

function TW21Saver() {}

TW21Saver.prototype = new SaverBase();

TW21Saver.prototype.externalizeTiddler = function(store,tiddler)
{
	try {
		var extendedAttributes = "";
		var usePre = config.options.chkUsePreForStorage;
		store.forEachField(tiddler,
			function(tiddler,fieldName,value) {
				// don't store stuff from the temp namespace
				if(typeof value != "string")
					value = "";
				if (!fieldName.match(/^temp\./))
					extendedAttributes += ' %0="%1"'.format([fieldName,value.escapeLineBreaks().htmlEncode()]);
			},true);
		var created = tiddler.created.convertToYYYYMMDDHHMM();
		var modified = tiddler.modified.convertToYYYYMMDDHHMM();
		var vdate = version.date.convertToYYYYMMDDHHMM();
		var attributes = tiddler.modifier ? ' modifier="' + tiddler.modifier.htmlEncode() + '"' : "";
		attributes += (usePre && modified == created) ? "" : ' modified="' + modified +'"';
		attributes += (usePre && created == vdate) ? "" :' created="' + created + '"';
		var tags = tiddler.getTags();
		if(!usePre || tags)
			attributes += ' tags="' + tags.htmlEncode() + '"';
		return ('<div %0="%1"%2%3>%4</'+'div>').format([
				usePre ? "title" : "tiddler",
				tiddler.title.htmlEncode(),
				attributes,
				extendedAttributes,
				usePre ? "\n<pre>" + tiddler.text.htmlEncode() + "</pre>\n" : tiddler.text.escapeLineBreaks().htmlEncode()
			]);
	} catch (ex) {
		throw exceptionText(ex,config.messages.tiddlerSaveError.format([tiddler.title]));
	}
};

TW21Saver.prototype.externalizeShadow = function(store,tiddler)
{
	try {
		var extendedAttributes = "";
		var usePre = config.options.chkUsePreForStorage;
		store.forEachField(tiddler,
			function(tiddler,fieldName,value) {
				// don't store stuff from the temp namespace
				if(typeof value != "string")
					value = "";
				if (!fieldName.match(/^temp\./))
					extendedAttributes += ' %0="%1"'.format([fieldName,value.escapeLineBreaks().htmlEncode()]);
			},true);
		var attributes = tiddler.modifier ? ' modifier="' + tiddler.modifier.htmlEncode() + '"' : "";
		var tags = tiddler.getTags();
		if(!usePre || tags)
			attributes += ' tags="' + tags.htmlEncode() + '"';
		return ('<div %0="%1"%2%3>%4</'+'div>').format([
				usePre ? "title" : "tiddler",
				tiddler.title.htmlEncode(),
				attributes,
				extendedAttributes,
				usePre ? "\n<pre>" + tiddler.text.htmlEncode() + "</pre>\n" : tiddler.text.escapeLineBreaks().htmlEncode()
			]);
	} catch (ex) {
		throw exceptionText(ex,config.messages.tiddlerSaveError.format([tiddler.title]));
	}
};//--
//-- Deprecated code
//--

// @Deprecated: Use createElementAndWikify and this.termRegExp instead
config.formatterHelpers.charFormatHelper = function(w)
{
	w.subWikify(createTiddlyElement(w.output,this.element),this.terminator);
};

// @Deprecated: Use enclosedTextHelper and this.lookaheadRegExp instead
config.formatterHelpers.monospacedByLineHelper = function(w)
{
	var lookaheadRegExp = new RegExp(this.lookahead,"mg");
	lookaheadRegExp.lastIndex = w.matchStart;
	var lookaheadMatch = lookaheadRegExp.exec(w.source);
	if(lookaheadMatch && lookaheadMatch.index == w.matchStart) {
		var text = lookaheadMatch[1];
		if(config.browser.isIE)
			text = text.replace(/\n/g,"\r");
		createTiddlyElement(w.output,"pre",null,null,text);
		w.nextMatch = lookaheadRegExp.lastIndex;
	}
};

// @Deprecated: Use <br> or <br /> instead of <<br>>
config.macros.br.handler = function(place)
{
	createTiddlyElement(place,"br");
};

// Find an entry in an array. Returns the array index or null
// @Deprecated: Use indexOf instead
Array.prototype.find = function(item)
{
	var i = this.indexOf(item);
	return i == -1 ? null : i;
};

// Load a tiddler from an HTML DIV. The caller should make sure to later call Tiddler.changed()
// @Deprecated: Use store.getLoader().internalizeTiddler instead
Tiddler.prototype.loadFromDiv = function(divRef,title)
{
	return store.getLoader().internalizeTiddler(store,this,title,divRef);
};

// Format the text for storage in an HTML DIV
// @Deprecated Use store.getSaver().externalizeTiddler instead.
Tiddler.prototype.saveToDiv = function()
{
	return store.getSaver().externalizeTiddler(store,this);
};

// @Deprecated: Use store.allTiddlersAsHtml() instead
function allTiddlersAsHtml()
{
	return store.allTiddlersAsHtml();
}

// @Deprecated: Use refreshPageTemplate instead
function applyPageTemplate(title)
{
	refreshPageTemplate(title);
}

// @Deprecated: Use story.displayTiddlers instead
function displayTiddlers(srcElement,titles,template,unused1,unused2,animate,unused3)
{
	story.displayTiddlers(srcElement,titles,template,animate);
}

// @Deprecated: Use story.displayTiddler instead
function displayTiddler(srcElement,title,template,unused1,unused2,animate,unused3)
{
	story.displayTiddler(srcElement,title,template,animate);
}

// @Deprecated: Use functions on right hand side directly instead
var createTiddlerPopup = Popup.create;
var scrollToTiddlerPopup = Popup.show;
var hideTiddlerPopup = Popup.remove;

// @Deprecated: Use right hand side directly instead
var regexpBackSlashEn = new RegExp("\\\\n","mg");
var regexpBackSlash = new RegExp("\\\\","mg");
var regexpBackSlashEss = new RegExp("\\\\s","mg");
var regexpNewLine = new RegExp("\n","mg");
var regexpCarriageReturn = new RegExp("\r","mg");
//--
//-- End of scripts
//--
