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User:NeiNie/monobook.js

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/* <pre><nowiki> */

/*
Name:      wikEd (wikEd.js)
Version:   wikEd 0.9 (beta) (November, 2006). The code is currently under active development and might change rapidly
Update:    press SHIFT-Reload to update to the newest version
Info:      http://en.wikipedia.org/wiki/User:Cacycle/wikEd
Code:      http://en.wikipedia.org/wiki/User:Cacycle/wikEd.js
Author:    Cacycle (http://en.wikipedia.org/wiki/User:Cacycle)
Bugs:      surprisingly functional
Browsers:  The program works ONLY for Mozilla-based browsers (Mozilla, Mozilla Firefox, and Mozilla SeaMonkey)
License:   This code has been released into the public domain
What:      Comfortable JavaScript editor for Wikipedia and other MediaWikis
Important: This file has to be saved as UTF-16 in order to preserve certain Unicode characters
*/

var wikEdProgramHomepage = 'http://en.wikipedia.org/wiki/User:Cacycle/wikEd';
var wikEdProgramVersion  = '0.9.3 (beta)';
var wikEdProgramDate     = 'November 9, 2006';


//
// user configuration variables
//


// CSS rules edit frame
var wikEdFrameCSS = wikEdFrameCSS || [];

wikEdFrameCSS['body']                    = wikEdFrameCSS['body']                    || 'background: #FFFFFF; margin: 0px; padding: 0.2em; overflow: -moz-scrollbars-vertical; overflow-x: auto; font-family: monospace;';

// syntax highlighting
wikEdFrameCSS['.wikEdBlock']             = wikEdFrameCSS['.wikEdBlock']             || 'background-color: #e8e8e8;';
wikEdFrameCSS['.wikEdBlockTag']          = wikEdFrameCSS['.wikEdBlockTag']          || 'color: #0000e0;';
wikEdFrameCSS['.wikEdInlineTag']         = wikEdFrameCSS['.wikEdInlineTag']         || 'color: #0000e0;';
wikEdFrameCSS['.wikEdUnknown']           = wikEdFrameCSS['.wikEdUnknown']           || 'background-image: url({wikEdUnknown});';
wikEdFrameCSS['.wikEdSubscript']         = wikEdFrameCSS['.wikEdSubscript']         || 'position: relative; top: 0.3em;';
wikEdFrameCSS['.wikEdSuperscript']       = wikEdFrameCSS['.wikEdSuperscript']       || 'position: relative; top: -0.3em;';
wikEdFrameCSS['.wikEdBold']              = wikEdFrameCSS['.wikEdBold']              || 'font-weight: bold;';
wikEdFrameCSS['.wikEdComment']           = wikEdFrameCSS['.wikEdComment']           || 'background-color: #fff0d0;';
wikEdFrameCSS['.wikEdDel']               = wikEdFrameCSS['.wikEdDel']               || 'text-decoration: line-through;';
wikEdFrameCSS['.wikEdIns']               = wikEdFrameCSS['.wikEdIns']               || 'text-decoration: underline;';
wikEdFrameCSS['.wikEdItalic']            = wikEdFrameCSS['.wikEdItalic']            || 'font-style: italic;';
wikEdFrameCSS['.wikEdRGB']               = wikEdFrameCSS['.wikEdRGB']               || '';

// horizontal rule
wikEdFrameCSS['.wikEdHR']                = wikEdFrameCSS['.wikEdHR']                || 'background-color: #d0d0d0;';
wikEdFrameCSS['.wikEdHRInline']          = wikEdFrameCSS['.wikEdHRInline']          || 'background-color: #d0d0d0;';

// wiki code
wikEdFrameCSS['.wikEdWiki']              = wikEdFrameCSS['.wikEdWiki']              || 'color: #0000e0;';
wikEdFrameCSS['.wikEdWikiRedir']         = wikEdFrameCSS['.wikEdWikiRedir']         || 'color: #0000e0; background-color: #ffffff; font-weight: bold;';

// headings
wikEdFrameCSS['.wikEdHeading']           = wikEdFrameCSS['.wikEdHeading']           || 'background-color: #e0e0e0; font-weight: bold;';
wikEdFrameCSS['.wikEdHeadingWp']         = wikEdFrameCSS['.wikEdHeadingWp']         || 'background-color: #d8e0ff; font-weight: bold;';

// tables
wikEdFrameCSS['.wikEdTableBlock']        = wikEdFrameCSS['.wikEdTableBlock']        || 'background-color: #e8e8e8;';
wikEdFrameCSS['.wikEdTableLine']         = wikEdFrameCSS['.wikEdTableLine']         || 'background-color: #e8e8e8;';
wikEdFrameCSS['.wikEdTableTag']          = wikEdFrameCSS['.wikEdTableTag']          || 'background-color: #e8e8e8; color: #0000e0;';

// list
wikEdFrameCSS['.wikEdListBlock']         = wikEdFrameCSS['.wikEdListBlock']         || 'background-color: #e8e8e8;';
wikEdFrameCSS['.wikEdListLine']          = wikEdFrameCSS['.wikEdListLine']          || 'background-color: #f0f0f0';
wikEdFrameCSS['.wikEdListTag']           = wikEdFrameCSS['.wikEdListTag']           || 'background-color: #e8e8e8; color: #0000e0; font-weight: bold;';

// space-pre
wikEdFrameCSS['.wikEdSpaceBlock']        = wikEdFrameCSS['.wikEdSpaceBlock']        || 'background-color: #e8e8e8;';
wikEdFrameCSS['.wikEdSpaceLine']         = wikEdFrameCSS['.wikEdSpaceLine']         || 'background-color: #e8e8e8;';
wikEdFrameCSS['.wikEdSpaceTag']          = wikEdFrameCSS['.wikEdSpaceTag']          || 'color: #0000e0; font-weight: bold;';

// wiki links, images, categories, templates
wikEdFrameCSS['.wikEdLinkTag']           = wikEdFrameCSS['.wikEdLinkTag']           || 'color: #0000e0;';
wikEdFrameCSS['.wikEdLink']              = wikEdFrameCSS['.wikEdLink']              || '';
wikEdFrameCSS['.wikEdImage']             = wikEdFrameCSS['.wikEdImage']             || 'background-color: #d5ffaa;';
wikEdFrameCSS['.wikEdCat']               = wikEdFrameCSS['.wikEdCat']               || 'background-color: #d0d8ff;';
wikEdFrameCSS['.wikEdTempl']             = wikEdFrameCSS['.wikEdTempl']             || 'background-color: #e0e8ff;';

// interlanguage
wikEdFrameCSS['.wikEdInter']             = wikEdFrameCSS['.wikEdInter']             || '';
wikEdFrameCSS['.wikEdLinkInter']         = wikEdFrameCSS['.wikEdLinkInter']         || 'background-color: #c8c8ff;';
wikEdFrameCSS['.wikEdImageInter']        = wikEdFrameCSS['.wikEdImageInter']        || 'background-color: #c8c8ff;';
wikEdFrameCSS['.wikEdCatInter']          = wikEdFrameCSS['.wikEdCatInter']          || 'background-color: #c8c8ff;';
wikEdFrameCSS['.wikEdTemplInter']        = wikEdFrameCSS['.wikEdTemplInter']        || 'background-color: #c8c8ff;';

// name
wikEdFrameCSS['.wikEdLinkName']          = wikEdFrameCSS['.wikEdLinkName']          || 'color: #f00000; font-weight: bold;';
wikEdFrameCSS['.wikEdImageName']         = wikEdFrameCSS['.wikEdImageName']         || 'font-weight: bold;';
wikEdFrameCSS['.wikEdCatName']           = wikEdFrameCSS['.wikEdCatName']           || 'color: #f00000; font-weight: bold;';
wikEdFrameCSS['.wikEdTemplName']         = wikEdFrameCSS['.wikEdTemplName']         || 'color: #f00000; font-weight: bold;';
wikEdFrameCSS['.wikEdURLLink']           = wikEdFrameCSS['.wikEdURLLink']           || 'color: #f00000; font-weight: bold;';

// text and parameters
wikEdFrameCSS['.wikEdLinkText']          = wikEdFrameCSS['.wikEdLinkText']          || 'font-weight: bold;';
wikEdFrameCSS['.wikEdImageText']         = wikEdFrameCSS['.wikEdImageText']         || '';
wikEdFrameCSS['.wikEdCatText']           = wikEdFrameCSS['.wikEdCatText']           || '';
wikEdFrameCSS['.wikEdTemplText']         = wikEdFrameCSS['.wikEdTemplText']         || '';
wikEdFrameCSS['.wikEdURLText']           = wikEdFrameCSS['.wikEdURLText']           || 'font-weight: bold;';

// insert wikicode here
wikEdFrameCSS['.wikEdInsertHere']        = wikEdFrameCSS['.wikEdInsertHere']        || 'background-color: orange; font-style: italic;';

// invisibles, control chars, and strange spaces
wikEdFrameCSS['.wikEdTab']               = wikEdFrameCSS['.wikEdTab']               || 'background-image: url({wikEdTab}); background-position: right bottom; background-repeat: no-repeat; display: inline;';
wikEdFrameCSS['.wikEdTabPlain']          = wikEdFrameCSS['.wikEdTabPlain']          || 'display: inline;';
wikEdFrameCSS['.wikEdCtrl']              = wikEdFrameCSS['.wikEdControl']           || 'background-image: url({wikEdCtrl}); background-position: left center; background-repeat: repeat-x; background-color: white; display: inline;';
wikEdFrameCSS['.wikEdCtrl:before']       = wikEdFrameCSS['.wikEdCtrl:before']       || 'content: \'\u00a0\'';
wikEdFrameCSS['.wikEdBlank']             = wikEdFrameCSS['.wikEdControl']           || 'background-image: url({wikEdBlank}); background-position: left center; background-repeat: repeat-x; background-color: white; display: inline;';

// CSS rules main window
var wikEdMainCSS = wikEdMainCSS || [];
wikEdMainCSS['.wikEdCombo']              = wikEdMainCSS['.wikEdCombo']              || 'font-size: smaller; padding-left: 0.1em; padding-right: 0.1em; margin-left: 0.1em; margin-right: 0.1em; height: 1.6em; vertical-align: bottom;';
wikEdMainCSS['.wikEdPreviewBox']         = wikEdMainCSS['.wikEdPreviewBox']         || 'background-color: #f9f9f9;';

// wikEd button areas
wikEdMainCSS['.wikEdButtonsFormat']      = wikEdMainCSS['.wikEdButtonsFormat']      || 'background: #d4d0cc; border: 1px black solid; padding: 0.1em; margin: 0.2em 0.6em 0 0     ; float: left;';
wikEdMainCSS['.wikEdButtonsFind']        = wikEdMainCSS['.wikEdButtonsFind']        || 'background: #d4d0cc; border: 1px black solid; padding: 0.1em; margin: 0.2em 0.6em 0 0     ; float: left;';
wikEdMainCSS['.wikEdButtonsFix']         = wikEdMainCSS['.wikEdButtonsFix']         || 'background: #d4d0cc; border: 1px black solid; padding: 0.1em; margin: 0.2em 0.6em 0 0     ; float: left';
wikEdMainCSS['.wikEdButtonsWindow']      = wikEdMainCSS['.wikEdButtonsWindow']      || 'background: #d4d0cc; border: 1px black solid; padding: 0.1em; margin: 0.2em 0     0 0     ; float: right;';
wikEdMainCSS['.wikEdButtonsPreview']     = wikEdMainCSS['.wikEdButtonsPreview']     || 'background: #d4d0cc; border: 1px black solid; padding: 0.1em; margin: 0.2em 0     0 0.6em ; float: right;';
wikEdMainCSS['.wikEdButtonsPreviewFull'] = wikEdMainCSS['.wikEdButtonsPreviewFull'] || 'background: #d4d0cc; border: 1px black solid; padding: 0.1em; margin: -2px  0     0 0.6em; float: right;';

// wikEd buttons
wikEdMainCSS['.wikEdButton']             = wikEdMainCSS['.wikEdButton']             || 'vertical-align: text-top; font-size: small; text-decoration: underline; margin: 1px 2px; padding: 0; background: #d4d0cc; border: 1px #d4d0cc solid; cursor: pointer;';
wikEdMainCSS['.wikEdButton:hover']       = wikEdMainCSS['.wikEdButton:hover']       || 'background: #e4e0dd; border: 1px outset; cursor: pointer;';
wikEdMainCSS['.wikEdButton:active']      = wikEdMainCSS['.wikEdButton:active']      || 'background: #e4e0dc; border: 1px inset;  cursor: pointer;';
wikEdMainCSS['.wikEdButtonFloat']        = wikEdMainCSS['.wikEdButtonFloat']        || 'background: #d4d0cc; border: 1px outset; cursor: pointer; display: none; position: absolute; z-index: 5;';
wikEdMainCSS['.wikEdButtonChecked']      = wikEdMainCSS['.wikEdButtonChecked']      || 'vertical-align: text-top; font-size: small; text-decoration: none; margin: 1px 2px; padding: 0; background: #ccc8c3; border: 1px solid;  border-color: black white white black; cursor: pointer;';
wikEdMainCSS['.wikEdButtonUnchecked']    = wikEdMainCSS['.wikEdButtonUnchecked']    || 'vertical-align: text-top; font-size: small; text-decoration: none; margin: 1px 2px; padding: 0; background: #ddd8d3; border: 1px solid;  border-color: white black black white; cursor: pointer;';
wikEdMainCSS['.wikEdButtonPressed']      = wikEdMainCSS['.wikEdButtonPressed']      || 'vertical-align: text-top; font-size: small; text-decoration: none; margin: 1px 2px; padding: 0; background: #ccc8c3; border: 1px solid;  border-color: black white white black; cursor: wait;';
wikEdMainCSS['.wikEdButtonInactive']     = wikEdMainCSS['.wikEdButtonInactive']     || 'vertical-align: text-top; font-size: small; text-decoration: underline; margin: 1px 2px; padding: 0; background: #c0c0c0; border: 1px #b0b0b0 solid; cursor: not-allowed';
wikEdMainCSS['.wikEdLocalPreview']       = wikEdMainCSS['.wikEdLocalPreview']       || 'vertical-align: top; margin: 0 0.33em 0 0.15em; padding: 0;';
wikEdMainCSS['.wikEdLocalDiff']          = wikEdMainCSS['.wikEdLocalDiff']          || 'vertical-align: top; margin: 0 0.33em 0 -0.18em; padding: 0;';
wikEdMainCSS['.wikEdClearSummary']       = wikEdMainCSS['.wikEdClearSummary']       || 'vertical-align: middle; margin: 0 0.1em 0 0.5em; padding: 0 0 0.2em 0;';

// preview box
wikEdMainCSS['#wikEdPreviewBoxOuter']    = wikEdMainCSS['#wikEdPreviewBoxOuter']    || 'clear: both; margin-top: 0.5em; margin-bottom: 0; border-width: 1px; border-style: solid; border-color: #808080 #d0d0d0 #d0d0d0 #808080;';
wikEdMainCSS['#wikEdPreviewBox']         = wikEdMainCSS['#wikEdPreviewBox']         || 'padding: 5px; border-width: 1px; border-style: solid; border-color: #404040 #ffffff #ffffff #404040;';

// find field
wikEdMainCSS['#wikEdFindComboInput']     = wikEdMainCSS['#wikEdFindComboInput']     || 'position: relative; padding: 0; margin: 0 0.2em; font-style: normal;';
wikEdMainCSS['#wikEdFindText']           = wikEdMainCSS['#wikEdFindText']           || 'height: 1.4em; font-family: monospace; padding: 0; margin: 0; position: absolute; left: 0; top: 0; z-index: 2;';
wikEdMainCSS['#wikEdFindSelect']         = wikEdMainCSS['#wikEdFindSelect']         || 'height: 1.5em; font-family: monospace; border: none; padding: 0; margin: 0; position: relative; vertical-align: baseline; z-index: 1;';

// replace field
wikEdMainCSS['#wikEdReplaceComboInput']  = wikEdMainCSS['#wikEdReplaceComboInput']  || 'position: relative; padding: 0; margin: 0 0.2em; font-style: normal;';
wikEdMainCSS['#wikEdReplaceText']        = wikEdMainCSS['#wikEdReplaceText']        || 'height: 1.4em; font-family: monospace; padding: 0; margin: 0; position: absolute; left: 0; top: 0; z-index: 2;';
wikEdMainCSS['#wikEdReplaceSelect']      = wikEdMainCSS['#wikEdReplaceSelect']      || 'height: 1.5em; font-family: monospace; border: none; padding: 0; margin: 0; position: relative; vertical-align: baseline; z-index: 1;';

// summary field
wikEdMainCSS['#summaryComboInput']       = wikEdMainCSS['#summaryComboInput']       || 'position: relative;';
wikEdMainCSS['#wpSummary']               = wikEdMainCSS['#wpSummary']               || 'padding: 0; margin: 0; position: absolute; left: 0; top: 0; z-index: 2; width: auto;';
wikEdMainCSS['#wpSummarySelect']         = wikEdMainCSS['#wpSummarySelect']         || 'border: none; padding: 0; margin: 0; position: relative; vertical-align: middle; z-index: 1;';

// space around submit buttons
wikEdMainCSS['.editButtons']             = wikEdMainCSS['.editButtons']             || 'margin-top: 0.5em; margin-bottom: 0.5em;';

// frame
wikEdMainCSS['#wikEdFrameOuter']         = wikEdMainCSS['#wikEdFrameOuter']         || 'width: 100%; margin-top: 0.5em; margin-bottom: 0.1em; border-width: 1px; border-style: solid; border-color: #808080 #d0d0d0 #d0d0d0 #808080;';
wikEdMainCSS['#wikEdFrameInner']         = wikEdMainCSS['#wikEdFrameInner']         || 'padding: 0; border-width: 1px; border-style: solid; border-color: #404040 #ffffff #ffffff #404040;';
wikEdMainCSS['#wikEdFrame']              = wikEdMainCSS['#wikEdFrame']              || 'width: 100%; padding: 0; margin: 0; border: none;';

// textarea (maximal row number, always show vertical scrollbar)
wikEdMainCSS['#wpTextBox1']              = wikEdMainCSS['#wpTextBox1']              || 'overflow: -moz-scrollbars-vertical; overflow-x: auto;';

// summary
wikEdMainCSS['#wikEdSummaryWrapper']     = wikEdMainCSS['#wikEdSummaryWrapper']     || 'margin-top: 0.25em';
wikEdMainCSS['#wpSummaryLabel']          = wikEdMainCSS['#wpSummaryLabel']          || 'margin-right: 0.2em';
wikEdMainCSS['.editOptions']             = wikEdMainCSS['.editOptions']             || 'position: relative; top: 0.1em;';

// copywarn
wikEdMainCSS['#editpage-copywarn3']      = wikEdMainCSS['#editpage-copywarn3']      || 'padding-top: 0;';

// input wrapper
wikEdMainCSS['.wikEdInputWrapperFull']   = wikEdMainCSS['.wikEdInputWrapperFull']   || 'position: fixed; top: 0; left: 0; right: 0; padding: 4px; background: white;';
wikEdMainCSS['.wikEdInputWrapper']       = wikEdMainCSS['.wikEdInputWrapper']       || '';


// general settings


// history length for summary, find and replace fields
var wikEdFindHistoryLength = wikEdFindHistoryLength || 10;

// presets for combo input fields dropdown options, {wikEdUsing} appends a link to this script
var wikEdComboPresetOptions = wikEdComboPresetOptions || [];
wikEdComboPresetOptions['summary'] = wikEdComboPresetOptions['summary'] || [
	'article created',
	'intro rewrite',
	'copyedit',
	'linkfix',
	'fixing typos',
	'removing linkspam',
	'reverting test',
	'reverting vandalism',
	'formatting source text',
	'({wikEdUsing})'
];

// text for summary link to this script
var wikEdSummaryUsing = wikEdSummaryUsing || 'using [[User:Cacycle/wikEd|wikEd]]';

// expiration time span for history cookies in seconds
var wikEdCookieExpireSec = wikEdCookieExpireSec || (365 * 24 * 60 * 60);

// find ahead as you type checkbox preset
var wikEdFindAheadSelected = wikEdFindAheadSelected || true;

// highlight syntax preset
var wikEdHighlightSyntax = wikEdHighlightSyntax || true;

// enable wikEd preset
var useWikEd = useWikEd || true;

// use local copies of images for testing (set to true in local copy of edit page)
var wikEdUseLocalImages = wikEdUseLocalImages;

// path to local images used by wikEd for testing
var wikEdImagePathLocal = wikEdImagePathLocal || 'file:///D:/wikEd/images/';

// path to images used by wikEd
var wikEdImagePath = wikEdImagePath || 'http://upload.wikimedia.org/wikipedia/commons/';

// font size of edit window (percentage)
var wikEdFontSize = wikEdFontSize || 100;

// remove invisible syntax highlighting comments after closing tag
var wikEdRemoveHighlightComments = wikEdRemoveHighlightComments || true;

// show the edit toolbar when the rich-text edit frame is active
var wikEdShowToolbar = wikEdShowToolbar || true;

// show the text-to-source button for testing purposes
var wikEdShowSourceButton = wikEdShowSourceButton || true;

// image filenames
var wikEdImage = wikEdImage || [];
wikEdImage['blank']           = wikEdImage['blank']           || wikEdImagePath + '5/51/WikEd_blank.png';
wikEdImage['bold']            = wikEdImage['bold']            || wikEdImagePath + '5/59/WikEd_bold.png';
wikEdImage['bulletList']      = wikEdImage['bulletList']      || wikEdImagePath + '6/62/WikEd_bullet_list.png';
wikEdImage['case']            = wikEdImage['case']            || wikEdImagePath + 'a/aa/WikEd_case.png';
wikEdImage['caseSensitive']   = wikEdImage['caseSensitive']   || wikEdImagePath + '0/0d/WikEd_case_sensitive.png';
wikEdImage['classic']         = wikEdImage['classic']         || wikEdImagePath + '9/9e/WikEd_classic.png';
wikEdImage['clearFind']       = wikEdImage['clearFind']       || wikEdImagePath + 'f/f0/WikEd_clear_find.png';
wikEdImage['clearHistory']    = wikEdImage['clearHistory']    || wikEdImagePath + 'c/c8/WikEd_clear_history.png';
wikEdImage['clearSummary']    = wikEdImage['clearSummary']    || wikEdImagePath + '2/2c/WikEd_clear_summary.png';
wikEdImage['close']           = wikEdImage['close']           || wikEdImagePath + '9/97/WikEd_close.png';
wikEdImage['ctrl']            = wikEdImage['ctrl']            || wikEdImagePath + '1/10/WikEd_ctrl.png';
wikEdImage['decreaseHeading'] = wikEdImage['decreaseHeading'] || wikEdImagePath + '7/72/WikEd_decrease_heading.png';
wikEdImage['definitionList']  = wikEdImage['definitionList']  || wikEdImagePath + 'f/f5/WikEd_definition_list.png';
wikEdImage['diff']            = wikEdImage['diff']            || wikEdImagePath + 'd/db/WikEd_diff.png';
wikEdImage['error']           = wikEdImage['error']           || wikEdImagePath + '3/3e/WikEd_error.png';
wikEdImage['findAhead']       = wikEdImage['findAhead']       || wikEdImagePath + '3/34/WikEd_find_ahead.png';
wikEdImage['findAll']         = wikEdImage['findAll']         || wikEdImagePath + '7/75/WikEd_find_all.png';
wikEdImage['findNext']        = wikEdImage['findNext']        || wikEdImagePath + 'a/ad/WikEd_find_next.png';
wikEdImage['findPrev']        = wikEdImage['findPrev']        || wikEdImagePath + 'f/f5/WikEd_find_prev.png';
wikEdImage['fixAll']          = wikEdImage['fixAll']          || wikEdImagePath + '8/86/WikEd_fix_all.png';
wikEdImage['fixBasic']        = wikEdImage['fixBasic']        || wikEdImagePath + '3/30/WikEd_fix_basic.png';
wikEdImage['fixCaps']         = wikEdImage['fixCaps']         || wikEdImagePath + '0/00/WikEd_fix_caps.png';
wikEdImage['fixUnicode']      = wikEdImage['fixUnicode']      || wikEdImagePath + 'd/d4/WikEd_fix_unicode.png';
wikEdImage['fixChem']         = wikEdImage['fixChem']         || wikEdImagePath + 'e/e7/WikEd_fix_chem.png';
wikEdImage['fixDash']         = wikEdImage['fixDash']         || wikEdImagePath + 'e/e5/WikEd_fix_dash.png';
wikEdImage['fixHtml']         = wikEdImage['fixHtml']         || wikEdImagePath + '0/05/WikEd_fix_html.png';
wikEdImage['fixMath']         = wikEdImage['fixMath']         || wikEdImagePath + '3/3f/WikEd_fix_math.png';
wikEdImage['fixPunct']        = wikEdImage['fixPunct']        || wikEdImagePath + 'd/db/WikEd_fix_punct.png';
wikEdImage['fixUnits']        = wikEdImage['fixUnits']        || wikEdImagePath + '6/69/WikEd_fix_units.png';
wikEdImage['fontSize']        = wikEdImage['fontSize']        || wikEdImagePath + '7/71/WikEd_font_size.png';
wikEdImage['fullScreen']      = wikEdImage['fullScreen']      || wikEdImagePath + 'd/d3/WikEd_fullscreen.png';
wikEdImage['getFind']         = wikEdImage['getFind']         || wikEdImagePath + '9/96/WikEd_get_selection.png';
//wikEdImage['getFindReplace']= wikEdImage['getFindReplace']  || wikEdImagePath + '9/95/WikEd_get_selection_both.png';
wikEdImage['highlightSyntax'] = wikEdImage['highlightSyntax'] || wikEdImagePath + '6/67/WikEd_syntax.png';
wikEdImage['image']           = wikEdImage['image']           || wikEdImagePath + '3/37/WikEd_image.png';
wikEdImage['increaseHeading'] = wikEdImage['increaseHeading'] || wikEdImagePath + '5/50/WikEd_increase_heading.png';
wikEdImage['indentList']      = wikEdImage['indentList']      || wikEdImagePath + '7/7a/WikEd_indent_list.png';
wikEdImage['italic']          = wikEdImage['italic']          || wikEdImagePath + 'd/d4/WikEd_italic.png';
wikEdImage['jumpTopBottom']   = wikEdImage['jumpTopBottom']   || wikEdImagePath + '5/5d/WikEd_jump_top_bottom.png';
wikEdImage['lastPos']         = wikEdImage['lastPos']         || wikEdImagePath + '5/54/WikEd_jump_next.png';
wikEdImage['logo']            = wikEdImage['logo']            || wikEdImagePath + '6/67/WikEd_logo.png';
wikEdImage['numberList']      = wikEdImage['numberList']      || wikEdImagePath + '3/3b/WikEd_number_list.png';
wikEdImage['prevPos']         = wikEdImage['prevPos']         || wikEdImagePath + 'c/c7/WikEd_jump_prev.png';
wikEdImage['preview']         = wikEdImage['preview']         || wikEdImagePath + '3/31/WikEd_preview.png';
wikEdImage['redirect']        = wikEdImage['redirect']        || wikEdImagePath + 'f/fa/WikEd_redirect.png';
wikEdImage['redo']            = wikEdImage['redo']            || wikEdImagePath + 'd/d7/WikEd_redo.png';
wikEdImage['redoAll']         = wikEdImage['redoAll']         || wikEdImagePath + '2/2d/WikEd_redo_all.png';
wikEdImage['regExp']          = wikEdImage['regExp']          || wikEdImagePath + '6/6a/WikEd_regexp.png';
wikEdImage['replaceAll']      = wikEdImage['replaceAll']      || wikEdImagePath + '2/2a/WikEd_replace_all.png';
wikEdImage['replaceNext']     = wikEdImage['replaceNext']     || wikEdImagePath + 'b/b0/WikEd_replace_next.png';
wikEdImage['replacePrev']     = wikEdImage['replacePrev']     || wikEdImagePath + 'a/a1/WikEd_replace_prev.png';
wikEdImage['scrollToButtons'] = wikEdImage['scrollToButtons'] || wikEdImagePath + '0/01/WikEd_align_buttons.png';
wikEdImage['scrollToText']    = wikEdImage['scrollToText']    || wikEdImagePath + '1/13/WikEd_align_top.png';
wikEdImage['source']          = wikEdImage['source']          || wikEdImagePath + '0/02/WikEd_source.png';
wikEdImage['subscript']       = wikEdImage['subscript']       || wikEdImagePath + '9/9e/WikEd_subscript.png';
wikEdImage['superscript']     = wikEdImage['superscript']     || wikEdImagePath + 'b/bf/WikEd_superscript.png';
wikEdImage['tab']             = wikEdImage['tab']             || wikEdImagePath + 'e/e7/WikEd_tab.png';
wikEdImage['table']           = wikEdImage['table']           || wikEdImagePath + 'b/bd/WikEd_table.png';
wikEdImage['textify']         = wikEdImage['textify']         || wikEdImagePath + 'c/cd/WikEd_textify.png';
wikEdImage['underline']       = wikEdImage['underline']       || wikEdImagePath + '2/21/WikEd_underline.png';
wikEdImage['undo']            = wikEdImage['undo']            || wikEdImagePath + 'e/e6/WikEd_undo.png';
wikEdImage['undoAll']         = wikEdImage['undoAll']         || wikEdImagePath + '0/08/WikEd_undo_all.png';
wikEdImage['unknown']         = wikEdImage['unknown']         || wikEdImagePath + '8/8a/WikEd_unknown.png';
wikEdImage['updateSyntax']    = wikEdImage['updateSyntax']    || wikEdImagePath + '6/67/WikEd_syntax.png';
wikEdImage['useWikEd']        = wikEdImage['useWikEd']        || wikEdImagePath + '6/67/WikEd_logo.png';
wikEdImage['webLink']         = wikEdImage['webLink']         || wikEdImagePath + '1/16/WikEd_weblink.png';
wikEdImage['wikify']          = wikEdImage['wikify']          || wikEdImagePath + '9/9f/WikEd_wikify.png';
wikEdImage['wikiLink']        = wikEdImage['wikiLink']        || wikEdImagePath + '2/21/WikEd_wikilink.png';


// global variables


// history
var wikEdFieldHist = [];
var wikEdCookieName = [];
var wikEdInputElement = [];
var wikEdSelectElement = [];

var wikEdCheckMarker = [];
wikEdCheckMarker[true] = '\u2022';
wikEdCheckMarker[false] = '\u22c5';

// cache the parsed DOM object
var wikEdFrameDOMCache = null;

// undo all, redo all
var wikEdOrigVersion = '';
var wikEdLastVersion = null;

// global dom elements
var wikEdTextareaObj = {};
var wikEdFrameBody = {};
var wikEdFrameDocument = {};
var wikEdFrameWindow = {};

var wikEdLastPosObj = null;

var wikEdFullScreenMode = false;

// counters
var i;
var j;


// add setup routine to addOnloadHook
if (window.addOnloadHook != null) {
	addOnloadHook(WikEdSetup);
}

// wiki file paths for use in regexps
var wikEdServer = wgServer;
var wikEdArticlePath = wgArticlePath;
var wikEdScriptPath = wgScriptPath;
wikEdServer = wikEdServer.replace(/(\W)/g, '\\$1');
wikEdArticlePath = wikEdArticlePath.replace(wgServer, '');
wikEdScriptPath = wikEdScriptPath.replace(wgServer, '');
wikEdArticlePath = wikEdArticlePath.replace(/\$1$/, '');
wikEdScriptPath = wikEdScriptPath.replace(/\/?$/, '/');;
wikEdArticlePath = wikEdArticlePath.replace(/(\W)/g, '\\$1');
wikEdScriptPath = wikEdScriptPath.replace(/(\W)/g, '\\$1');


//
// insertTags: override the insertTags function in wikibits.js
//

function insertTags(tagOpen, tagClose, sampleText) {

	if (useWikEd == true) {
		WikEdEditButton('wikEdInsertTags', [tagOpen, tagClose, sampleText]);
	}

//   apply tagOpen / tagClose to selection in textarea,
//   use sampleText instead of selection if there is none
//   taken from wikibits.js
	else {
		if (wikEdTextareaObj.selectionStart || wikEdTextareaObj.selectionStart == '0') {
			var replaced = false;
			var startPos = wikEdTextareaObj.selectionStart;
			var endPos = wikEdTextareaObj.selectionEnd;
			if (endPos - startPos) {
				replaced = true;
			}
			var scrollTop = wikEdTextareaObj.scrollTop;
			var myText = (wikEdTextareaObj.value).substring(startPos, endPos);
			if (! myText) {
				myText = sampleText;
			}

// exclude ending space char, if any
 			if (myText.charAt(myText.length - 1) == ' ') {
				subst = tagOpen + myText.substring(0, (myText.length - 1)) + tagClose + ' ';
			}
			else {
				subst = tagOpen + myText + tagClose;
			}
			wikEdTextareaObj.value = wikEdTextareaObj.value.substring(
				0, startPos) + subst + wikEdTextareaObj.value.substring(endPos, wikEdTextareaObj.value.length
			);
			wikEdTextareaObj.focus();

// set new selection
			if (replaced) {
				var cPos = startPos+(tagOpen.length + myText.length + tagClose.length);
				wikEdTextareaObj.selectionStart = cPos;
				wikEdTextareaObj.selectionEnd = cPos;
			}
			else {
				wikEdTextareaObj.selectionStart = startPos + tagOpen.length;
				wikEdTextareaObj.selectionEnd = startPos + tagOpen.length + myText.length;
			}
			wikEdTextareaObj.scrollTop = scrollTop;
		}

// reposition cursor if possible
		if (wikEdTextareaObj.createTextRange) {
			wikEdTextareaObj.caretPos = document.selection.createRange().duplicate();
		}
	}

	return;
}


//
// WikEdSetup: setup routine, called
//

function WikEdSetup() {

	var html = '';

// check if setup was already run
	if (document.getElementById('wikEdLogo') != null) {
		return;
	}

// insert logo into personal toolbar
	var logo = {};
	logo.img = document.createElement('img');
	logo.lnk = document.createElement('a');
	logo.lnk.href = wikEdProgramHomepage;
	logo.lnk.alt = 'WikEd Logo';
	logo.lnk.appendChild(logo.img);
	var listObj = document.createElement('li');
	listObj.id = 'wikEdLogo';
	listObj.appendChild(logo.lnk);
	var personalTools = document.getElementById('p-personal').getElementsByTagName('ul')[0];
	personalTools.appendChild(listObj);

// set error logo
	WikEdSetLogo(logo, false);

// at the moment this works only for mozilla browsers (Mozilla, Mozilla Firefox, Mozilla SeaMonkey)
	if (navigator.appName == null) {
		return;
	}
	var nameMatch = navigator.appName.match(/Netscape/i);
	if (nameMatch == null) {
		return;
	}
	var name = nameMatch[0];
	if ( (name == null) || (name == '') ) {
		return;
	}
	var version = navigator.appVersion.match(/\d+(\.\d+)/)[0];
	if ( (version == null) || (version < 5.0) ) {
		return;
	}

// check if this is an edit page
	wikEdTextareaObj = document.getElementById('wpTextbox1');
	if (wikEdTextareaObj == null) {

// reset error indicator
		WikEdSetLogo(logo);
		return;
	}

// get initial textarea height
	var textareaHeight = wikEdTextareaObj.offsetHeight;

// setup the undo buffers and get the original text for local changes view
	wikEdOrigVersion = wikEdTextareaObj.value;

// add stylesheet definitions
	var mainStyle = new WikEdStyleSheet();
	for (var rule in wikEdMainCSS) {
		mainStyle.addRule(rule, wikEdMainCSS[rule]);
	}

// create inputWrapper for textarea and buttons
	var inputWrapper = document.createElement('div');
	inputWrapper.id = 'wikEdInputWrapper';
	wikEdTextareaObj.parentNode.insertBefore(inputWrapper, wikEdTextareaObj);

// move toolbar to textareaWrapper
	var toolbarObj = document.getElementById('toolbar');
	if (toolbarObj != null) {
		inputWrapper.appendChild(toolbarObj);
	}

// move wikEdTextareaObj to textareaWrapper
	var textareaWrapper = document.createElement('div');
	textareaWrapper.id = 'wikEdTextareaWrapper';

	inputWrapper.appendChild(textareaWrapper);
	textareaWrapper.appendChild(wikEdTextareaObj);


// add all other buttons and inputs to buttonsWrapper
	var buttonsWrapper = document.createElement('div');
	buttonsWrapper.id = 'wikEdButtonsWrapper';
	inputWrapper.appendChild(buttonsWrapper);

// rewrite image paths to local copies for testing
	if (wikEdUseLocalImages == true) {

// remove MediaWiki upload paths
		var regExpStr = '/[0-9a-f]+/[0-9a-f]+(/[\\w\\.]+)$';
		var regExp = new RegExp(regExpStr, 'g');
		for (i in wikEdImage) {
			wikEdImage[i] = wikEdImage[i].replace(regExp, '$1');
			wikEdImage[i] = wikEdImage[i].replace(wikEdImagePath, wikEdImagePathLocal);
		}
	}

// add wikEd editing buttons
	var wikEdButtons = document.createElement('div');
	wikEdButtons.id = 'wikEdButtons';
	html = '';

// format buttons
	html += '<div class="wikEdButtonsFormat" id="wikEdButtonsFormat">';

	html += '<img class="wikEdButtonInactive"  src="' + wikEdImage['undo']            + '" width="16" height="16" alt="Undo"               title="Undo"                                                     id="wikEdUndo"                  onClick="javascript:WikEdEditButton(\'wikEdUndo\');">';
	html += '<img class="wikEdButtonInactive"  src="' + wikEdImage['redo']            + '" width="16" height="16" alt="Redo"               title="Redo"                                                     id="wikEdRedo"                  onClick="javascript:WikEdEditButton(\'wikEdRedo\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['bold']            + '" width="16" height="16" alt="Bold"               title="Bold text"                                                id="wikEdBold"                  onClick="javascript:WikEdEditButton(\'wikEdBold\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['italic']          + '" width="16" height="16" alt="Italic"             title="Italic text"                                              id="wikEdItalic"                onClick="javascript:WikEdEditButton(\'wikEdItalic\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['underline']       + '" width="16" height="16" alt="Underline"          title="Underline text"                                           id="wikEdUnderline"             onClick="javascript:WikEdEditButton(\'wikEdUnderline\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['superscript']     + '" width="16" height="16" alt="Superscript"        title="Superscript text"                                         id="wikEdSuperscript"           onClick="javascript:WikEdEditButton(\'wikEdSuperscript\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['subscript']       + '" width="16" height="16" alt="Subscript"          title="Subscript text"                                           id="wikEdSubscript"             onClick="javascript:WikEdEditButton(\'wikEdSubscript\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['case']            + '" width="16" height="16" alt="Case"               title="Toggle between lowercase, uppercase first, and uppercase" id="wikEdCase"                  onClick="javascript:WikEdEditButton(\'wikEdCase\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['undoAll']         + '" width="16" height="16" alt="Undo all"           title="Undo all changes"                                         id="wikEdUndoAll"               onClick="javascript:WikEdEditButton(\'wikEdUndoAll\');">';
	html += '<img class="wikEdButtonInactive"  src="' + wikEdImage['redoAll']         + '" width="16" height="16" alt="Redo all"           title="Redo all changes"                                         id="wikEdRedoAll"               onClick="javascript:WikEdEditButton(\'wikEdRedoAll\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['redirect']        + '" width="16" height="16" alt="Redirect"           title="Redirect"                                                 id="wikEdRedirect"              onClick="javascript:WikEdEditButton(\'wikEdRedirect\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['updateSyntax']    + '" width="16" height="16" alt="Syntax"             title="Update syntax highlighting"                               id="wikEdUpdateSyntax"          onClick="javascript:WikEdEditButton(\'wikEdUpdateSyntax\');">';
	html += '<br />';

	html += '<img class="wikEdButton"          src="' + wikEdImage['wikiLink']        + '" width="16" height="16" alt="Link"               title="Wiki link"                                                id="wikEdWikiLink"              onClick="javascript:WikEdEditButton(\'wikEdWikiLink\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['webLink']         + '" width="16" height="16" alt="Weblink"            title="External weblink"                                         id="wikEdWebLink"               onClick="javascript:WikEdEditButton(\'wikEdWebLink\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['decreaseHeading'] + '" width="16" height="16" alt="Heading-"           title="Decrease heading levels"                                  id="wikEdDecreaseHeading"       onClick="javascript:WikEdEditButton(\'wikEdDecreaseHeading\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['increaseHeading'] + '" width="16" height="16" alt="Heading+"           title="Increase heading levels"                                  id="wikEdIncreaseHeading"       onClick="javascript:WikEdEditButton(\'wikEdIncreaseHeading\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['bulletList']      + '" width="16" height="16" alt="Bullet list"        title="Bulleted list"                                            id="wikEdBulletList"            onClick="javascript:WikEdEditButton(\'wikEdBulletList\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['numberList']      + '" width="16" height="16" alt="Number list"        title="Numbered list"                                            id="wikEdNumberList"            onClick="javascript:WikEdEditButton(\'wikEdNumberList\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['indentList']      + '" width="16" height="16" alt="Indent list"        title="Indented list"                                            id="wikEdIndentList"            onClick="javascript:WikEdEditButton(\'wikEdIndentList\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['definitionList']  + '" width="16" height="16" alt="Def list"           title="Definition list"                                          id="wikEdDefinitionList"        onClick="javascript:WikEdEditButton(\'wikEdDefinitionList\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['image']           + '" width="16" height="16" alt="Image"              title="Image"                                                    id="wikEdImage"                 onClick="javascript:WikEdEditButton(\'wikEdImage\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['table']           + '" width="16" height="16" alt="Table"              title="Table"                                                    id="wikEdTable"                 onClick="javascript:WikEdEditButton(\'wikEdTable\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['wikify']          + '" width="16" height="16" alt="Wikify"             title="Wikify pasted content"                                    id="wikEdWikify"                onClick="javascript:WikEdEditButton(\'wikEdWikify\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['textify']         + '" width="16" height="16" alt="Textify"            title="Convert pasted content to plain text"                     id="wikEdTextify"               onClick="javascript:WikEdEditButton(\'wikEdTextify\');">';
	html += '</div>';

// window functions: syntax highlighting, classic textarea, align, fullscreen
	html += '<div class="wikEdButtonsWindow" id="wikEdButtonsWindow">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['fontSize']        + '" width="16" height="16" alt="Font size"          title="Change font size"                                         id="wikEdFontSize"              onClick="javascript:WikEdButton(\'wikEdFontSize\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['clearHistory']    + '" width="16" height="16" alt="Clear history"      title="Clear the find, replace, and summary history"             id="wikEdClearHistory"          onClick="javascript:WikEdButton(\'wikEdClearHistory\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['scrollToButtons'] + '" width="16" height="16" alt="Scroll buttons"     title="Scroll to edit buttons"                                   id="wikEdScrollToButtons"       onClick="javascript:WikEdButton(\'wikEdScrollToButtons\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['scrollToText']    + '" width="16" height="16" alt="Scroll up"          title="Scroll to edit window"                                    id="wikEdScrollToInput"         onClick="javascript:WikEdButton(\'wikEdScrollToInput\');">';
	html += '<br />';

	html += '<img class="wikEdButtonChecked"   src="' + wikEdImage['useWikEd']        + '" width="16" height="16" alt="Use wikEd"          title="Enable wikEd"                                             id="wikEdUseWikEd"              onClick="javascript:WikEdButton(\'wikEdUseWikEd\', true);">';
	html += '<img class="wikEdButtonUnchecked" src="' + wikEdImage['highlightSyntax'] + '" width="16" height="16" alt="Syntax"             title="Highlight syntax"                                         id="wikEdHighlightSyntax"       onClick="javascript:WikEdButton(\'wikEdHighlightSyntax\', true);">';
	if (wikEdShowSourceButton == true) {
		html += '<img class="wikEdButton"        src="' + wikEdImage['source']          + '" width="16" height="16" alt="Source"             title="Show the source code for testing purposes"                id="wikEdSource"                onClick="javascript:WikEdEditButton(\'wikEdSource\');">';
	}
	html += '<img class="wikEdButton"          src="' + wikEdImage['fullScreen']      + '" width="16" height="16" alt="Fullscreen"         title="Fullscreen mode"                                          id="wikEdFullScreen"            onClick="javascript:WikEdButton(\'wikEdFullScreen\', true);">';
	html += '</div>';

// find / replace buttons

	html += '<div class="wikEdButtonsFind" id="wikEdButtonsFind">';

	html += '<img class="wikEdButton"          src="' + wikEdImage['getFind']         + '" width="16" height="16" alt="Get find"           title="Copy selection to find field (double click: copy selection to find and to replace field)" id="wikEdGetFind" onClick="javascript:WikEdEditButton(\'wikEdGetFind\');" ondblclick="javascript:WikEdEditButton(\'wikEdGetFindReplace\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['findAll']         + '" width="16" height="16" alt="Find all"           title="Not yet implemented. Find all matches in whole text or selection"              id="wikEdFindAll"               onClick="javascript:WikEdEditButton(\'wikEdFindAll\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['findPrev']        + '" width="16" height="16" alt="Find prev"          title="Find previous match"                                      id="wikEdFindPrev"              onClick="javascript:WikEdEditButton(\'wikEdFindPrev\');">';

	html += '<span id="wikEdFindComboInput">';
	html += '<input class="wikEdCombo" id="wikEdFindText" title="" type="text" value="" onfocus="javascript:this.setSelectionRange(0, this.textLength);">';
	html += '<select class="wikEdCombo" id="wikEdFindSelect" onfocus="javascript:WikEdSetComboOptions(\'find\')" onChange="javascript:WikEdChangeComboInput(\'find\');">';
	html += '</select>';
	html += '</span>';

	html += '<img class="wikEdButton"          src="' + wikEdImage['findNext']        + '" width="16" height="16" alt="Find next"          title="Find next match"                                          id="wikEdFindNext"              onClick="javascript:WikEdEditButton(\'wikEdFindNext\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['jumpTopBottom']   + '" width="16" height="16" alt="Jump up/down"       title="Jump to the top / bottom"                                 id="wikEdUpdown"                onClick="javascript:WikEdEditButton(\'wikEdUpdown\');">';
	html += '<img class="wikEdButtonInactive"  src="' + wikEdImage['prevPos']         + '" width="16" height="16" alt="Jump prev"          title="Jump to previously changed position"                      id="wikEdPrevPos"               onClick="javascript:WikEdEditButton(\'wikEdPrevPos\');">';
	html += '<img class="wikEdButtonInactive"  src="' + wikEdImage['lastPos']         + '" width="16" height="16" alt="Jump next"          title="Jump back to last position"                               id="wikEdLastPos"               onClick="javascript:WikEdEditButton(\'wikEdLastPos\');">';
	html += '<br />';


//html += '<img class="wikEdButton"          src="' + wikEdImage['getFindReplace']  + '" width="16" height="16" alt="Get find + replace" title="Copy selection to find and replace fields"                id="wikEdGetFind"               onClick="javascript:WikEdEditButton(\'wikEdGetFindReplace\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['clearFind']       + '" width="16" height="16" alt="Clear find"         title="Clear the find field (to search for selected text)"       id="wikEdClearFind"             onClick="javascript:WikEdButton(\'wikEdClearFind\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['replaceAll']      + '" width="16" height="16" alt="Replace all"        title="Not yet mplemented. Replace all matches in whole text or selection"           id="wikEdReplaceAll"            onClick="javascript:WikEdEditButton(\'wikEdReplaceAll\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['replacePrev']     + '" width="16" height="16" alt="Replace prev"       title="Replace previous match"                                   id="wikEdReplacePrev"           onClick="javascript:WikEdEditButton(\'wikEdReplacePrev\');">';

	html += '<span id="wikEdReplaceComboInput">';
	html += '<input class="wikEdCombo" id="wikEdReplaceText" title="" type="text" value="" onfocus="this.setSelectionRange(0, this.textLength);">';
	html += '<select class="wikEdCombo" id="wikEdReplaceSelect" onfocus="WikEdSetComboOptions(\'replace\')" onChange="javascript:WikEdChangeComboInput(\'replace\');">';
	html += '</select>';
	html += '</span>';

	html += '<img class="wikEdButton"          src="' + wikEdImage['replaceNext']     + '" width="16" height="16" alt="Replace next"       title="Replace next match"                                       id="wikEdReplaceNext"           onClick="javascript:WikEdEditButton(\'wikEdReplaceNext\');">';
	html += '<img class="wikEdButtonUnchecked" src="' + wikEdImage['caseSensitive']   + '" width="16" height="16" alt="Case sensitive"     title="Search is case sensitive"                                 id="wikEdCaseSensitive"         onClick="javascript:WikEdButton(\'wikEdCaseSensitive\', true);">';
	html += '<img class="wikEdButtonUnchecked" src="' + wikEdImage['regExp']          + '" width="16" height="16" alt="RegExp"             title="Search field is a regular expression"                     id="wikEdRegExp"                onClick="javascript:WikEdButton(\'wikEdRegExp\', true);">';
	html += '<img class="wikEdButtonUnchecked" src="' + wikEdImage['findAhead']       + '" width="16" height="16" alt="Find ahead"         title="Find ahead as you type (only for non-regexp searches)"    id="wikEdFindAhead"             onClick="javascript:WikEdButton(\'wikEdFindAhead\', true);">';
	html += '</div>';

// fixing buttons
	html += '<div class="wikEdButtonsFix" id="wikEdButtonsFix">';

	html += '<img class="wikEdButton"          src="' + wikEdImage['fixBasic']        + '" width="16" height="16" alt="Fix basic"          title="Fix blanks and empty lines, also done by other fixing functions" id="wikEdFixBasic"       onClick="javascript:WikEdEditButton(\'wikEdFixBasic\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['fixHtml']         + '" width="16" height="16" alt="Fix html"           title="Fix html to wikicode"                                     id="wikEdFixHtml"               onClick="javascript:WikEdEditButton(\'wikEdFixHtml\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['fixCaps']         + '" width="16" height="16" alt="Fix caps"           title="Fix caps in headers and lists"                            id="wikEdFixCaps"               onClick="javascript:WikEdEditButton(\'wikEdFixCaps\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['fixUnicode']      + '" width="16" height="16" alt="Fix Unicode"        title="Fix Unicode character representations"                    id="wikEdfixUnicode"            onClick="javascript:WikEdEditButton(\'wikEdfixUnicode\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['fixAll']          + '" width="16" height="16" alt="Fix all"            title="Fix basic, html, capitalization, and Unicode"             id="wikEdFixAll"                onClick="javascript:WikEdEditButton(\'wikEdFixAll\');">';
	html += '<br />';

	html += '<img class="wikEdButton"          src="' + wikEdImage['fixDash']         + '" width="16" height="16" alt="Fix dashes"         title="Fix dashes"                                               id="wikEdFixDashes"             onClick="javascript:WikEdEditButton(\'wikEdFixDashes\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['fixPunct']        + '" width="16" height="16" alt="Fix puntuation"     title="Fix spaces before puntuation"                             id="wikEdFixPunct"              onClick="javascript:WikEdEditButton(\'wikEdFixPunct\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['fixMath']         + '" width="16" height="16" alt="Fix math"           title="Fix math"                                                 id="wikEdFixMath"               onClick="javascript:WikEdEditButton(\'wikEdFixMath\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['fixChem']         + '" width="16" height="16" alt="Fix chem"           title="Fix chemical formulas"                                    id="wikEdFixChem"               onClick="javascript:WikEdEditButton(\'wikEdFixChem\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['fixUnits']        + '" width="16" height="16" alt="Fix units"          title="Fix units"                                                id="wikEdFixUnits"              onClick="javascript:WikEdEditButton(\'wikEdFixUnits\');">';
	html += '</div>';
	html += '<br style="clear: both;">';

	wikEdButtons.innerHTML = html;
	buttonsWrapper.appendChild(wikEdButtons);

// set wikEd
// add elements to buttonsWrapper
	var element = document.getElementById('editpage-copywarn');
	while (element != null) {
		if (element.id == 'editpage-specialchars') {
			break;
		}
		next_element = element.nextSibling;
		buttonsWrapper.appendChild(element);
		element = next_element;
	}

// add preview box upper buttons
	var buttonsPreview = document.createElement('div');
	buttonsPreview.id = 'wikEdButtonsPreview';
	buttonsPreview.className = 'wikEdButtonsPreview';

	html = '';
	html += '<img class="wikEdButton"          src="' + wikEdImage['preview']         + '" width="16" height="16" alt="Preview"            title="Show preview below"                                       id="wikEdPreview"               onClick="javascript:WikEdButton(\'wikEdPreview\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['diff']            + '" width="16" height="16" alt="Changes"            title="Show current changes below"                               id="wikEdDiff"                  onClick="javascript:WikEdButton(\'wikEdDiff\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['close']           + '" width="16" height="16" alt="Close"              title="Close preview box"                                        id="wikEdClose"                 onClick="javascript:WikEdButton(\'wikEdClose\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['scrollToButtons'] + '" width="16" height="16" alt="Scroll buttons"     title="Scroll to edit buttons"                                   id="wikEdScrollToButtons2"      onClick="javascript:WikEdButton(\'wikEdScrollToButtons2\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['scrollToText']    + '" width="16" height="16" alt="Scroll up"          title="Scroll to edit window"                                    id="wikEdScrollToInput2"        onClick="javascript:WikEdButton(\'wikEdScrollToInput2\');">';

	buttonsPreview.innerHTML = html;
	document.getElementById('wpSave').parentNode.insertBefore(buttonsPreview, document.getElementById('wpSave').parentNode.firstChild);

// add preview box
	var previewBox = document.createElement('div');
	previewBox.id = 'customPreviewBox';
	previewBox.style.display = 'none';

	html = '';
	html += '<div id="wikEdPreviewBoxOuter">';
	html += '<div class="wikEdPreviewBox" id="wikEdPreviewBox">';
	html += '</div>';
	html += '</div>';

	html += '<div id="wikEdButtonsWindow" class="wikEdButtonsWindow">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['preview']         + '" width="16" height="16" alt="Preview"            title="Show preview above"                                       id="wikEdPreview2"              onClick="javascript:WikEdButton(\'wikEdPreview2\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['diff']            + '" width="16" height="16" alt="Changes"            title="Show current changes above"                               id="wikEdDiff2"                 onClick="javascript:WikEdButton(\'wikEdDiff2\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['close']           + '" width="16" height="16" alt="Close"              title="Close preview box"                                        id="wikEdClose2"                onClick="javascript:WikEdButton(\'wikEdClose2\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['scrollToButtons'] + '" width="16" height="16" alt="Scroll buttons"     title="Scroll to edit buttons"                                   id="wikEdScrollToButtons3"      onClick="javascript:WikEdButton(\'wikEdScrollToButtons3\');">';
	html += '<img class="wikEdButton"          src="' + wikEdImage['scrollToText']    + '" width="16" height="16" alt="Scroll up"          title="Scroll to edit window"                                    id="wikEdScrollToInput3"        onClick="javascript:WikEdButton(\'wikEdScrollToInput3\');">';
	html += '</div>';

	previewBox.innerHTML = html;
	inputWrapper.parentNode.insertBefore(previewBox, inputWrapper.nextSibling);

// initialize image buttons
	WikEdButton('wikEdSource', null, false);
	WikEdButton('wikEdHighlightSyntax', null, wikEdHighlightSyntax);
	WikEdButton('wikEdUseWikEd', null, useWikEd);
	WikEdButton('wikEdFullScreen', null, false);
	WikEdButton('wikEdCaseSensitive', null, false);
	WikEdButton('wikEdRegExp', null, false);
	WikEdButton('wikEdFindAhead', null, wikEdFindAheadSelected);
	WikEdButton('wikEdPreview', null, false, 'wikEdButton');
	WikEdButton('wikEdDiff', null, false, 'wikEdButton');
	WikEdButton('wikEdClose', null, false, 'wikEdButton');
	WikEdButton('wikEdPreview2', null, false, 'wikEdButton');
	WikEdButton('wikEdDiff2', null, false, 'wikEdButton');
	WikEdButton('wikEdClose2', null, false, 'wikEdButton');

// add local preview button next to submit button
	var localPreview = document.createElement('button');
	localPreview.type = 'button';
	localPreview.id = 'wikEdLocalPreview';
	localPreview.title = 'Show preview below';
	localPreview.className = 'wikEdLocalPreview';

	var localPreviewImg = document.createElement('img');
	localPreviewImg.id = 'wikEdLocalPreviewImg';
	localPreviewImg.src = wikEdImage['preview'];
	localPreviewImg.alt = 'Preview below';

	localPreview.appendChild(localPreviewImg);
	var previewButton = document.getElementById('wpPreview');
	previewButton.parentNode.insertBefore(localPreview, previewButton.nextSibling);

// add local diff button next to submit button
	var localDiff = document.createElement('button');
	localDiff.type = 'button';
	localDiff.id = 'wikEdLocalDiff';
	localDiff.title = 'Show current changes below';
	localDiff.className = 'wikEdLocalDiff';

	var localDiffImg = document.createElement('img');
	localDiffImg.id = 'wikEdLocalDiffImg';
	localDiffImg.src = wikEdImage['diff'];
	localDiffImg.alt = 'Changes below';

	localDiff.appendChild(localDiffImg);
	var previewButton = document.getElementById('wpDiff');
	previewButton.parentNode.insertBefore(localDiff, previewButton.nextSibling);

// move linebreak before checkboxes down
	var summary = document.getElementById('wpSummary');
	var checkboxSep = document.createTextNode('');
	summary.parentNode.replaceChild(checkboxSep, summary.nextSibling);

// add summary wrapper before wpSummaryLabel and add all summary elements into it
	var summaryWrapper = document.createElement('div');
	summaryWrapper.id = 'wikEdSummaryWrapper';
	var summaryLabel = document.getElementById('wpSummaryLabel');
	summaryLabel.parentNode.insertBefore(summaryWrapper, summaryLabel);

	var summary = document.getElementById('wpSummary');
	summaryWrapper.appendChild(summaryLabel);
	summaryWrapper.appendChild(summaryLabel);
	var summary = document.getElementById('wpSummary');
	summaryWrapper.appendChild(summary);

	var editButtons = document.getElementById('wpSave').parentNode;
	summaryWrapper.parentNode.insertBefore(editButtons, summaryWrapper.nextSibling);

	var editOptions = document.getElementById('wpMinoredit').parentNode;
	summaryWrapper.appendChild(editOptions);
//	var summaryLabel = document.getElementById('wpSummaryLabel');
//	summaryLabel.parentNode.insertBefore(summarySeparator, summaryLabel);

// add a clear summary button left
	var summary = document.getElementById('wpSummary');
	var clearSummary = document.createElement('button');
	clearSummary.type = 'button';
	clearSummary.id = 'wikEdClearSummary';
	clearSummary.title = 'Clear the summary field';
	clearSummary.className = 'wikEdClearSummary';
	clearSummary.style.height = (summary.clientHeight + 1) +'px';
	clearSummary.onclick = function() {
		var summary = document.getElementById('wpSummary');
		summary.value = '';
		return;
	}
	var clearSummaryImg = document.createElement('img');
	clearSummaryImg.id = 'wikEdClearSummaryImg';
	clearSummaryImg.src = wikEdImage['clearSummary'];
	clearSummaryImg.alt = 'Clear summary';

	clearSummary.appendChild(clearSummaryImg);
	summary.parentNode.insertBefore(clearSummary, summary);

// make the summary a combo box

// style needs to be declared here so that it is not overridden by monobook.css
	summary.style.width = 'auto';

	var summaryComboInput = document.createElement('span');
	summaryComboInput.id = 'summaryComboInput';

	var summarySelect = document.createElement('select');
	summarySelect.id = 'wpSummarySelect';
	summarySelect.onchange = function() {
		WikEdChangeComboInput('summary');
	}
	summarySelect.onfocus = function() {
		WikEdSetComboOptions('summary');
	}

	summaryComboInput = summary.parentNode.insertBefore(summaryComboInput, summary);
	summaryComboInput.appendChild(summary);
	summaryComboInput.appendChild(summarySelect);

// move copywarn down
	var specialchars = document.getElementById('editpage-specialchars');
	var copywarn = document.getElementById('editpage-copywarn');
	var copywarn2 = document.getElementById('editpage-copywarn2');
	var copywarn3 = document.getElementById('editpage-copywarn3');
	specialchars.parentNode.insertBefore(copywarn3, specialchars.nextSibling);
	specialchars.parentNode.insertBefore(copywarn2, specialchars.nextSibling);
	specialchars.parentNode.insertBefore(copywarn, specialchars);

// shorten submit button texts and add onclick handler
	document.getElementById('wpPreview').value = 'Preview';
	document.getElementById('wpDiff').value = 'Changes';

// set up combo input boxes with history
	wikEdFieldHist ['find'] = [];
	wikEdCookieName['find'] = 'findHistory';
	wikEdInputElement['find'] = new Object(document.getElementById('wikEdFindText'));
	wikEdSelectElement['find'] = new Object(document.getElementById('wikEdFindSelect'));
	wikEdSelectElement['find'].style.height = (wikEdInputElement['find'].clientHeight + 1) +'px';

	wikEdFieldHist ['replace'] = [];
	wikEdCookieName['replace'] = 'replaceHistory';
	wikEdInputElement['replace'] = new Object(document.getElementById('wikEdReplaceText'));
	wikEdSelectElement['replace'] = new Object(document.getElementById('wikEdReplaceSelect'));
	wikEdSelectElement['replace'].style.height = (wikEdInputElement['replace'].clientHeight + 1) +'px';

	wikEdFieldHist ['summary'] = [];
	wikEdCookieName['summary'] = 'summaryHistory';
	wikEdInputElement['summary'] = new Object(document.getElementById('wpSummary'));
	wikEdSelectElement['summary'] = new Object(document.getElementById('wpSummarySelect'));
	wikEdSelectElement['summary'].style.height = (wikEdInputElement['summary'].clientHeight + 1) +'px';
	WikEdResizeComboInput('find');
	WikEdResizeComboInput('replace');
	WikEdResizeComboInput('summary');

// move globalWrapper elements to new subGlobalWrapper
	var globalWrapper = document.getElementById('globalWrapper');
	var subGlobalWrapper = document.createElement('div');
	subGlobalWrapper.id = 'subGlobalWrapper';
	globalWrapper.appendChild(subGlobalWrapper);
	var element = globalWrapper.firstChild;
	while (element != null) {
		if (element.id == 'subGlobalWrapper') {
			break;
		}
		next_element = element.nextSibling;
		subGlobalWrapper.appendChild(element);
		element = next_element;
	}

// DOM changes to a starting iframe in designmode may crash the browser including display: none; and position: absolute;

// prepare for the textarea / iframe switch
	var frameWrapper = document.createElement('div');
	frameWrapper.id = 'WikEdFrameWrapper';
	var textareaWrapper = document.getElementById('wikEdTextareaWrapper');

// hide textarea or iframe behind anything else in absolute position mode
	textareaWrapper.style.zIndex = '-100';
	frameWrapper.style.zIndex = '-100';
	textareaWrapper.style.top = '0';
	frameWrapper.style.top = '0';

// create the iframe
	html = '';
	html += '<div id="wikEdFrameOuter">';
	html += '<div id="wikEdFrameInner">';
	html += '</div>';
	html += '<iframe id="wikEdFrame" name="wikEdFrame" style="height: ' + textareaHeight + 'px;"></iframe>';
	html += '</div>';
	html += '</div>';

	frameWrapper.innerHTML = html;
	inputWrapper.insertBefore(frameWrapper, textareaWrapper);

	wikEdFrameWindow = document.getElementById('wikEdFrame').contentWindow;
	wikEdFrameDocument = wikEdFrameWindow.document;

// fill the frame with content
	html = '';
	html += '<html><head></head>';
	html += '<body id="wikEdFrameBody" onload="window.document.designMode = \'on\'; window.document.execCommand(\'styleWithCSS\', false, false);">';
	html += '</body></html>';
	wikEdFrameDocument.open();
	wikEdFrameDocument.write(html);
	wikEdFrameDocument.close();
	wikEdFrameBody = wikEdFrameDocument.body;

// display only the textarea or the iframe
	if (useWikEd == true) {
		WikEdSetEditArea(true);
	}
	else {
		WikEdSetEditArea(false);
	}

// copy the textarea content to the iframe
	if (useWikEd == true) {
		WikEdUpdateFrame();
	}

// add frame stylesheet definition
	wikEdFrameBody.style.fontSize = parseInt(wikEdFontSize) + '%;';
	var frameStyle = new WikEdStyleSheet(wikEdFrameDocument);
	for (var ruleName in wikEdFrameCSS) {
		var ruleStyle = wikEdFrameCSS[ruleName];
		ruleStyle = ruleStyle.replace(/\{wikEdUnknown\}/g, wikEdImage['unknown']);
		ruleStyle = ruleStyle.replace(/\{wikEdTab\}/g, wikEdImage['tab']);
		ruleStyle = ruleStyle.replace(/\{wikEdCtrl\}/g, wikEdImage['ctrl']);
		ruleStyle = ruleStyle.replace(/\{wikEdBlank\}/g, wikEdImage['blank']);
		frameStyle.addRule(ruleName, ruleStyle);
	}

// set original tree position of input area
	wikEdNormalTreePos = inputWrapper.nextSibling;

// set frame events
	wikEdFrameDocument.addEventListener('keyup', WikEdKeyFrame, true);
	wikEdFrameDocument.addEventListener('keypress', WikEdKeyFrame, true);
	wikEdFrameDocument.addEventListener('mouseup', WikEdKeyFrame, true);

// find ahead events
	var findText = document.getElementById('wikEdFindText');
	findText.addEventListener('keyup', WikEdFindAhead, true);

// submit button events
	var saveButton = document.getElementById('wpSave');
	var previewButton = document.getElementById('wpPreview');
	var diffButton = document.getElementById('wpDiff');
	var localPreview = document.getElementById('wikEdLocalPreview');
	var localDiff = document.getElementById('wikEdLocalDiff');

// 'Save page' button
	saveButton.onclick = function() {
		if (wikEdFullScreenMode == true) {
			WikEdNormalScreen();
		}
		if (useWikEd == true) {
			WikEdUpdateTextarea();
		}
		WikEdAddToHistory('summary');
		saveButton.onclick = null;
		saveButton.click();
		return;
	};

// 'Show preview' button
	previewButton.onclick = function() {
		if (wikEdFullScreenMode == true) {
			WikEdNormalScreen();
		}
		if (useWikEd == true) {
			WikEdUpdateTextarea();
		}
		previewButton.onclick = null;
		previewButton.click();
		return;
	};

// 'Show changes' button
	diffButton.onclick = function() {
		if (wikEdFullScreenMode == true) {
			WikEdNormalScreen();
		}
		if (useWikEd == true) {
			WikEdUpdateTextarea();
		}
		diffButton.onclick = null;
		diffButton.click();
		return;
	};

// 'Show preview' image button
	localPreview.onclick = function() {
		WikEdButton('wikEdLocalPreview');
		return;
	};

// 'Show changes' image button
	localDiff.onclick = function() {
		WikEdButton('wikEdLocalDiff');
		return;
	};

// disable scrolling to edit window on next preview page
	document.getElementById('editform').action += '&noscroll';

// scroll to edit window if it is not a preview page
	if (window.location.search.match('noscroll') == null) {
		window.scroll(0, WikEdGetOffsetTop(inputWrapper) - 2);
	}

// focus the edit area
	if (useWikEd == true) {
		wikEdFrameWindow.focus();
	}
	else {
		wikEdTextareaObj.setSelectionRange(0, 0);
		wikEdTextareaObj.focus();
	}

// reset error indicator
	WikEdSetLogo(logo);

	return;
}


//
// WikEdSetLogo: set the logo on top of the page
//

function WikEdSetLogo(logo, error) {

	if (error == false) {
		logo.img.src = wikEdImage['error'];
		logo.img.alt = 'WikEd error';
		logo.lnk.title = 'WikEd ' + wikEdProgramVersion + ' (' + wikEdProgramDate + '): Loading error';
	}
	else {
		logo.img.src = wikEdImage['logo'];
		logo.img.alt = 'WikEd';
		logo.lnk.title = 'WikEd ' + wikEdProgramVersion + ' (' + wikEdProgramDate + ')';
	}
	return;
}


//
// WikEdSetEditArea: apply css changes to switch between classic textarea and rich text frame
//

function WikEdSetEditArea(useFrame) {

	var frameWrapper = document.getElementById('WikEdFrameWrapper');
	var textareaWrapper = document.getElementById('wikEdTextareaWrapper');

// turn rich text frame on
	if (useFrame == true) {
		textareaWrapper.style.position = 'absolute';
		textareaWrapper.style.visibility = 'hidden';
		frameWrapper.style.position = 'static';
		frameWrapper.style.visibility = 'visible';
		if (document.getElementById('toolbar') != null) {
			if (wikEdShowToolbar == true) {
				document.getElementById('toolbar').style.display = 'block';
			}
			else {
				document.getElementById('toolbar').style.display = 'none';
			}
		}
		document.getElementById('wikEdButtonsFormat').style.display = 'block';
		document.getElementById('wikEdButtonsFind').style.display = 'block';
		document.getElementById('wikEdButtonsFix').style.display = 'block';
		document.getElementById('wikEdButtonsWindow').style.display = 'block';
	}

// turn classic textarea on
	else {
		frameWrapper.style.position = 'absolute';
		frameWrapper.style.visibility = 'hidden';
		textareaWrapper.style.position = 'static';
		textareaWrapper.style.visibility = 'visible';
		if (document.getElementById('toolbar') != null) {
			document.getElementById('toolbar').style.display = 'block';
		}
		document.getElementById('wikEdButtonsFormat').style.display = 'none';
		document.getElementById('wikEdButtonsFind').style.display = 'none';
		document.getElementById('wikEdButtonsFix').style.display = 'none';
		document.getElementById('wikEdButtonsWindow').style.display = 'block';
	}
	return;
}


//
// WikEdButton: toggle or set button checked state
//   used for buttons that do not require nor change the text. Faster than WikEdEditButton()

function WikEdButton(whichButton, toggleButton, setButton, classButton, doButton) {

// get the button object
	var buttonObj = document.getElementById(whichButton);
	if (buttonObj == null) {
		alert('Unknown button \'' + whichButton + '\'');
		return;
	}

// check if the button is disabled
	if (buttonObj.className == 'wikEdButtonInactive') {
		return;
	}

// set button to pressed, set cursor to hourglass
	buttonObj.style.cursor = 'wait';

// init the button
	if (setButton != null) {
		if (setButton == false) {
			buttonObj.checked = false;
			if (classButton == null) {
				buttonObj.className = 'wikEdButtonUnchecked';
			}
		}
		else {
			buttonObj.checked = true;
			if (classButton == null) {
				buttonObj.className = 'wikEdButtonChecked';
			}
		}
	}
	else if (classButton != null) {
		buttonObj.className = classButton;
	}

// toggle the button
	if (toggleButton != null) {
		if (toggleButton == true) {
			if (buttonObj.checked == true) {
				buttonObj.checked = false;
				buttonObj.className = 'wikEdButtonUnchecked';
			}
			else {
				buttonObj.checked = true;
				buttonObj.className = 'wikEdButtonChecked';
			}
		}
	}

// perform specific actions
	if ( ( (setButton == null) && (classButton == null) ) || (doButton == true) ) {

// remove active content
		WikEdRemoveElements(['script', 'object', 'applet', 'embed']);

		switch (whichButton) {

// switch between syntax highlighting and plain text
			case 'wikEdHighlightSyntax':
				var obj = {};
				obj.html = wikEdFrameBody.innerHTML;
				if (buttonObj.checked == true) {
					WikEdRemoveHighlighting(obj);
					wikEdHighlightSyntax = true;
					obj.html = obj.html.replace(/<br\b[^>]*>/g, '\n');
					WikEdHighlightSyntax(obj);
					obj.html = obj.html.replace(/\n/g, '<br />');
				}
				else {
					wikEdHighlightSyntax = false;
					WikEdRemoveHighlighting(obj);
					obj.html = obj.html.replace(/(\t)/g, '<pre class="wikEdTabPlain">$1</pre><!--wikEdTabPlain-->');
				}
				wikEdFrameBody.innerHTML = obj.html;
				break;

// align textbox with display top
			case 'wikEdScrollToInput':
			case 'wikEdScrollToInput2':
			case 'wikEdScrollToInput3':
				var inputWrapper = document.getElementById('wikEdInputWrapper');
				var inputWrapperTop = WikEdGetOffsetTop(inputWrapper);
				window.scroll(0, inputWrapperTop);
				break;

// align edit buttons with display top
			case 'wikEdScrollToButtons':
			case 'wikEdScrollToButtons2':
			case 'wikEdScrollToButtons3':
				var buttonsWrapper = document.getElementById('wikEdButtonsWrapper');
				var buttonsWrapperTop = WikEdGetOffsetTop(buttonsWrapper);
				window.scroll(0, buttonsWrapperTop);
				break;

// cycle through different font sizes
			case 'wikEdFontSize':
				wikEdFontSize = wikEdFontSize / 1.2;
				if (wikEdFontSize < 60) {
					wikEdFontSize = Math.round(wikEdFontSize * Math.pow(1.2, 4) );
				}
				wikEdFrameBody.style.fontSize = parseInt(wikEdFontSize) + '%;';
				break;

// display local preview box
			case 'wikEdPreview':
			case 'wikEdPreview2':
			case 'wikEdLocalPreview':
				WikEdNormalScreen();
				if (wikEdFullScreenMode == true) {
					WikEdNormalScreen();
				}
				if (useWikEd == true) {
					WikEdUpdateTextarea();
				}
				document.getElementById('wikEdPreviewBox').innerHTML = wiki2html(wikEdTextareaObj.value);
				document.getElementById('customPreviewBox').style.display = 'block';
				break;

// display local diff box
			case 'wikEdDiff':
			case 'wikEdDiff2':
			case 'wikEdLocalDiff':
				if (wikEdFullScreenMode == true) {
					WikEdNormalScreen();
				}
				if (useWikEd == true) {
					WikEdUpdateTextarea();
				}
				var diffText = wikEdTextareaObj.value;
				diffText = StringDiff(wikEdOrigVersion, diffText);
				document.getElementById('wikEdPreviewBox').innerHTML = diffText;
				document.getElementById('customPreviewBox').style.display = 'block';
				break;

// close the preview / diff box
			case 'wikEdClose':
			case 'wikEdClose2':
				document.getElementById('customPreviewBox').style.display = 'none';
				break;

// switch between textarea and frame display
//   switching an iframe in design mode immediately after initialization between absolute/static may crash mozilla
			case 'wikEdUseWikEd':

// enble wikEd
				if (buttonObj.checked == true) {
					WikEdUpdateFrame();

// turn rich text frame on
					WikEdSetEditArea(true);
					useWikEd = true;
				}

// disable wikEd
				else {
					if (wikEdFullScreenMode == true) {
						WikEdNormalScreen();
					}
					WikEdUpdateTextarea();

// turn classic textarea on
					WikEdSetEditArea(false);
					useWikEd = false;
				}
				break;

// just toggle the case sensitive search button
			case 'wikEdCaseSensitive':
				break;

// just toggle the regexp search button
			case 'wikEdRegExp':
				break;

// just toggle the find-ahead-as-yoy-type search button
			case 'wikEdFindAhead':
				break;

// switch to fullscreen edit area
			case 'wikEdFullScreen':
				if (buttonObj.checked == true) {
					WikEdFullScreen();
				}
				else {
					WikEdNormalScreen();
				}
				break;

// clear the find, replace, and summary history stored in cookies
			case 'wikEdClearHistory':
				WikEdClearHistory('find');
				WikEdClearHistory('replace');
				WikEdClearHistory('summary');
				break;

// clear the search find field to search for the selected text
			case 'wikEdClearFind':
				wikEdInputElement['find'].value = '';
				break;

// for testing
			case 'wikEdPlaceholder':
				break;
		}
	}

// reset the frame DOM cache because the frame content might have changed
	wikEdFrameDOMCache = null;

// reset cursor to normal
	buttonObj.style.cursor = 'pointer';

	return;
}


//
// WikEdEditButton: editing functions
//   used for buttons that require or change the text. More tome consuming than WikEdButton()


function WikEdEditButton(whichButton, parameterArray) {

// get the button object
	var buttonObj = document.getElementById(whichButton);

// check if button is disabled
	if (buttonObj != null) {
		if (buttonObj.className == 'wikEdButtonInactive') {
			return;
		}
	}

// remove active content
	WikEdRemoveElements(['script', 'object', 'applet', 'embed', 'textarea']);

// get ranges to apply the changes to:
// whole text, selection, cursor, word and line under cursor and selection
	var obj = {};

// setup whole object for the whole text
	obj.whole = {};
	obj.whole.plainArray = [];
	obj.whole.plainNode = [];
	obj.whole.plainStart = [];
	obj.whole.from = 'whole';

// get whole range
	obj.whole.range = document.createRange();
	obj.whole.range.setStartBefore(wikEdFrameBody.firstChild);
	obj.whole.range.setEndAfter(wikEdFrameBody.lastChild);

// get whole plain text
	WikEdGetInnerHTML(obj.whole, wikEdFrameBody);
	obj.whole.code = obj.whole.html;
	WikEdRemoveHighlightingWikify(obj.whole);
	obj.whole.plain = obj.whole.html;
	obj.whole.plain = obj.whole.plain.replace(/<br\b[^>]*>/g, '\n');
	obj.whole.range.setStartBefore(wikEdFrameBody.firstChild);
	obj.whole.range.setEndAfter(wikEdFrameBody.lastChild);

// setup selection object for the selected text
	obj.selection = {};
	obj.selection.from = 'selection';

// set selection range
 	obj.sel = wikEdFrameWindow.getSelection();
	obj.selection.range = obj.sel.getRangeAt(obj.sel.rangeCount - 1);

// copy range to document fragment
	var documentFragment = obj.selection.range.cloneContents();

// get selected text
	WikEdGetInnerHTML(obj.selection, documentFragment);
	obj.selection.code = obj.selection.html;
	WikEdRemoveHighlightingWikify(obj.selection);
	obj.selection.plain = obj.selection.html;
	obj.selection.plain = obj.selection.plain.replace(/<br\b[^>]*>/g, '\n');

// setup cursor object for the cursor position
	obj.cursor = {};
	obj.cursor.from = 'cursor';
	obj.cursor.range = document.createRange();
	obj.cursor.range.setStart(obj.sel.focusNode, obj.sel.focusOffset);
	obj.cursor.range.setEnd(obj.sel.focusNode, obj.sel.focusOffset);
	obj.cursor.plain = '';

// setup focusWord object for the word under the cursor
	obj.focusWord = {};
	obj.focusWord.from = 'focusWord';
	obj.focusWord.range = document.createRange();

// setup focusLine object for the line under the cursor
	obj.focusLine = {};
	obj.focusLine.from = 'focusLine';
	obj.focusLine.range = document.createRange();

// setup selectionWord object for the words under the selection
	obj.selectionWord = {};
	obj.selectionWord.from = 'selectionWord';
	obj.selectionWord.range = document.createRange();

// setup selectionLine object for the lines under the selection
	obj.selectionLine = {};
	obj.selectionLine.from = 'selectionLine';
	obj.selectionLine.range = document.createRange();

// find the respective word and line boundaries
	WikEdFindBoundaries(obj.focusWord, obj.focusLine, obj.whole, obj.cursor);
	WikEdFindBoundaries(obj.selectionWord, obj.selectionLine, obj.whole, obj.selection);

// get the wikified plain text for the word under the cursor
	var documentFragment = obj.focusWord.range.cloneContents();
	WikEdGetInnerHTML(obj.focusWord, documentFragment);
	obj.focusWord.code = obj.focusWord.html;
	WikEdRemoveHighlightingWikify(obj.focusWord);
	obj.focusWord.plain = obj.focusWord.html;
	obj.focusWord.plain = obj.focusWord.plain.replace(/<br\b[^>]*>/g, '\n');

// get the wikified plain text for the line under the cursor
	var documentFragment = obj.focusLine.range.cloneContents();
	WikEdGetInnerHTML(obj.focusLine, documentFragment);
	obj.focusLine.code = obj.focusLine.html;
	WikEdRemoveHighlightingWikify(obj.focusLine);
	obj.focusLine.plain = obj.focusLine.html;
	obj.focusLine.plain = obj.focusLine.plain.replace(/<br\b[^>]*>/g, '\n');

// get the wikified plain text for the words under the selection
	var documentFragment = obj.selectionWord.range.cloneContents();
	WikEdGetInnerHTML(obj.selectionWord, documentFragment);
	obj.selectionWord.code = obj.selectionWord.html;
	WikEdRemoveHighlightingWikify(obj.selectionWord);
	obj.selectionWord.plain = obj.selectionWord.html;
	obj.selectionWord.plain = obj.selectionWord.plain.replace(/<br\b[^>]*>/g, '\n');

// get the wikified plain text for the lines under the selection
	var documentFragment = obj.selectionLine.range.cloneContents();
	WikEdGetInnerHTML(obj.selectionLine, documentFragment);
	obj.selectionLine.code = obj.selectionLine.html;
	WikEdRemoveHighlightingWikify(obj.selectionLine);
	obj.selectionLine.plain = obj.selectionLine.html;
	obj.selectionLine.plain = obj.selectionLine.plain.replace(/<br\b[^>]*>/g, '\n');

// select the appropriate object to change (whole, selection, cursor, focusWord, focusLine, selectionWord, or selectionLine)
	obj.changed = {};
	switch (whichButton) {

// undo: whole
		case 'wikEdUndo':
		case 'wikEdRedo':
			obj.changed = obj.cursor; // dummy
			break;

// whole text changes: whole
		case 'wikEdUndoAll':
		case 'wikEdRedoAll':
			obj.changed = obj.whole;
			break;

// basic wiki character formatting: selection / focusWord / cursor
		case 'wikEdBold':
		case 'wikEdItalic':
		case 'wikEdUnderline':
		case 'wikEdSuperscript':
		case 'wikEdSubscript':
		case 'wikEdWikiLink':
		case 'wikEdWebLink':
			if (obj.selection.plain != '') {
				obj.changed = obj.selection;
			}
			else if (obj.focusWord.plain != '') {
				obj.changed = obj.focusWord;
			}
			else  {
				obj.changed = obj.cursor;
			}
			break;

// character formatting: selection / focusWord
		case 'wikEdCase':
			if (obj.selection.plain != '') {
				obj.changed = obj.selection;
			}
			else {
				obj.changed = obj.focusWord;
			}
			break;

// update syntax highlighting: selection / whole
		case 'wikEdUpdateSyntax':
			if (obj.selection.plain != '') {
				obj.changed = obj.selection;
			}
			else {
				obj.changed = obj.whole;
			}
			break;

// multiple line changes: selectionLine
		case 'wikEdDecreaseHeading':
		case 'wikEdIncreaseHeading':
		case 'wikEdBulletList':
		case 'wikEdNumberList':
		case 'wikEdIndentList':
		case 'wikEdDefinitionList':
			if (obj.selection.plain != '') {
				obj.changed = obj.selectionLine;
			}
			else {
				obj.changed = obj.focusLine;
			}
			break;

// image: selectionWord (if text is selected) / cursor
		case 'wikEdImage':
			if (obj.selection.plain != '') {
				obj.changed = obj.selectionWord;
			}
			else  {
				obj.changed = obj.cursor;
			}
			break;

// table: selectionLine / cursor
		case 'wikEdTable':
			if (obj.selection.plain != '') {
				obj.changed = obj.selectionLine;
			}
			else  {
				obj.changed = obj.cursor;
			}
			break;

// wikify, textify: selection / whole
		case 'wikEdWikify':
		case 'wikEdTextify':
			if (obj.selection.plain != '') {
				obj.changed = obj.selection;
			}
			else {
				obj.changed = obj.whole;
			}
			break;

// redirect: whole
		case 'wikEdRedirect':
			obj.changed = obj.whole;
			break;

// character formatting: selection / focusWord
		case 'wikEdGetFind':
		case 'wikEdGetFindReplace':
			if (obj.selection.plain != '') {
				obj.changed = obj.selection;
			}
			else {
				obj.changed = obj.focusWord;
			}
			break;

// find and replace: find value / selection / focusWord
		case 'wikEdFindPrev':
		case 'wikEdFindNext':
		case 'wikEdReplacePrev':
		case 'wikEdReplaceNext':
			if (obj.selection.plain != '') {
				obj.changed = obj.selection;
			}
			else if (obj.focusWord.plain != '') {
				obj.changed = obj.focusWord;
			}
			else {
				obj.changed.plain = null;
			}
			break;

// replaceall: selection / whole
		case 'wikEdFindAll':
		case 'wikEdReplaceAll':
			if (obj.selection.plain != '') {
				obj.changed = obj.selection;
			}
			else {
				obj.changed = obj.whole;
			}
			break;

//////////////////////////////////
		case 'wikEdUpdown':
			obj.changed = obj.cursor; //dummy
			break;

// jump to position: dummy
		case 'wikEdPrevPos':
		case 'wikEdLastPos':
			obj.changed = obj.cursor; //dummy
			break;

// fixing buttons: selection / whole
		case 'wikEdFixBasic':
		case 'wikEdfixUnicode':
		case 'wikEdFixAll':
		case 'wikEdFixHtml':
			if (obj.selection.plain != '') {
				obj.changed = obj.selection;
			}
			else {
				obj.changed = obj.whole
			}
			break;

// fixing buttons: selection / focusLine
		case 'wikEdFixPunct':
		case 'wikEdFixMath':
		case 'wikEdFixUnits':
		case 'wikEdFixDashes':
		case 'wikEdFixCaps':
		case 'wikEdFixChem':
			if (obj.selection.plain != '') {
				obj.changed = obj.selection;
			}
			else {
				obj.changed = obj.focusLine;
			}
			break;

// fixing buttons: selection / focusWord
			if (obj.selection.plain != '') {
				obj.changed = obj.selection;
			}
			else {
				obj.changed = obj.focusWord;
			}
			break;

// source: selection / whole
		case 'wikEdSource':
			if (obj.selection.plain != '') {
				obj.changed = obj.selection;
			}
			else {
				obj.changed = obj.whole;
			}
			break;

// insert tags: selection / focusWord / cursor
		case 'wikEdInsertTags':
			if (obj.selection.plain != '') {
				obj.changed = obj.selection;
			}
			else if (obj.focusWord.plain != '') {
				obj.changed = obj.focusWord;
			}
			else {
				obj.changed = obj.cursor;
			}
			break;

// unknown edit function
		default:
			alert('Unknown edit function \'' + whichButton + '\'');

// reset button to active, reset cursor
			if (buttonObj != null) {
				if (buttonObj.className != 'wikEdButtonInactive') {
					buttonObj.className = 'wikEdButton';
				}
			}
			wikEdFrameBody.style.cursor = 'auto';

			return;
	}

// exit
	if (obj.changed == null) {
		wikEdFrameWindow.focus();

// reset button to active, reset cursor
		if (buttonObj != null) {
			if (buttonObj.className != 'wikEdButtonInactive') {
				buttonObj.className = 'wikEdButton';
			}
		}
		return;
	}

// set local syntax highlighting flag
	var highlightSyntax = wikEdHighlightSyntax;

// manipulate the text
	var selectChange = true;
	switch (whichButton) {

// undo
		case 'wikEdUndo':
			if (wikEdLastVersion == null) {
				wikEdLastVersion = obj.changed.plain;
			}
			WikEdFrameExecCommand('undo');
			obj.changed.range = obj.sel.getRangeAt(obj.sel.rangeCount - 1);
			obj.changed.plain = null;
			break;

// redo
		case 'wikEdRedo':
			WikEdFrameExecCommand('redo');
			obj.changed.range = obj.sel.getRangeAt(obj.sel.rangeCount - 1);
			obj.changed.plain = null;
			break;

// bold
		case 'wikEdBold':
			if ( /\'\'\'([^\'].*?)\'\'\'/.test(obj.changed.plain) ) {
				obj.changed.plain = obj.changed.plain.replace(/\'\'\'([^\'].*?)\'\'\'/g, '$1');
			}
			else {
				obj.changed.plain = '\'\'\'' + obj.changed.plain + '\'\'\'';
				obj.changed.plain = obj.changed.plain.replace(/(\'\'\')( *)(.*?)( *)(\'\'\')/, '$2$1$3$5$4');
			}
			break;

// italic
		case 'wikEdItalic':
			if ( /\'\'([^\'].*?)\'\'/.test(obj.changed.plain) ) {
				obj.changed.plain = obj.changed.plain.replace(/\'\'([^\'].*?)\'\'/g, '$1');
			}
			else {
				obj.changed.plain = '\'\'' + obj.changed.plain + '\'\'';
				obj.changed.plain = obj.changed.plain.replace(/(\'\')( *)(.*?)( *)(\'\')/, '$2$1$3$5$4');
			}
			break;

// underline
		case 'wikEdUnderline':
			if ( /&lt;u&gt;(.*?)&lt;\/u&gt;/i.test(obj.changed.plain) ) {
				obj.changed.plain = obj.changed.plain.replace(/&lt;u&gt;(.*?)&lt;\/u&gt;/g, '$1');
			}
			else {
				obj.changed.plain = '&lt;u&gt;' + obj.changed.plain + '&lt;\/u&gt;';
				obj.changed.plain = obj.changed.plain.replace(/(&lt;u&gt;)( *)(.*?)( *)(&lt;\/u&gt;)/, '$2$1$3$5$4');
			}
			break;

// superscript
		case 'wikEdSuperscript':
			if ( /&lt;sup&gt;(.*?)&lt;\/sup&gt;/i.test(obj.changed.plain) ) {
				obj.changed.plain = obj.changed.plain.replace(/&lt;sup&gt;(.*?)&lt;\/sup&gt;/g, '$1');
			}
			else {
				obj.changed.plain = '&lt;sup&gt;' + obj.changed.plain + '&lt;/sup&gt;';
				obj.changed.plain = obj.changed.plain.replace(/(&lt;sup&gt;)( *)(.*?)( *)(&lt;\/sup&gt;)/, '$2$1$3$5$4');
			}
			break;

// subscript
		case 'wikEdSubscript':
			if ( /&lt;sub&gt;(.*?)&lt;\/sub&gt;/i.test(obj.changed.plain) ) {
				obj.changed.plain = obj.changed.plain.replace(/&lt;sub&gt;(.*?)&lt;\/sub&gt;/g, '$1');
			}
			else {
				obj.changed.plain = '&lt;sub&gt;' + obj.changed.plain + '&lt;/sub&gt;';
				obj.changed.plain = obj.changed.plain.replace(/(&lt;sub&gt;)( *)(.*?)( *)(&lt;\/sub&gt;)/, '$2$1$3$5$4');
			}
			break;

// toggle lowercase / uppercase
		case 'wikEdCase':

// lowercase all uppercased text
			if (obj.changed.plain.toUpperCase() == obj.changed.plain) {
				obj.changed.plain = obj.changed.plain.toLowerCase();
			}

// first-letter-uppercase all lowercased text
			else if (obj.changed.plain.toLowerCase() == obj.changed.plain) {
				obj.changed.plain = obj.changed.plain.replace(/\b(\w)(\w*)/g,
					function (p, p1, p2) {
						return(p1.toUpperCase() + p2.toLowerCase());
					}
				);
			}

// uppercase mixed upper and lowercased text
			else {
				obj.changed.plain = obj.changed.plain.toUpperCase();
			}
			break;

// undo all
		case 'wikEdUndoAll':
			if (wikEdLastVersion == null) {
				wikEdLastVersion = obj.changed.plain;
			}
			obj.changed.plain = wikEdOrigVersion;
			obj.changed.plain = obj.changed.plain.replace(/&/g, '&amp;');
			obj.changed.plain = obj.changed.plain.replace(/>/g, '&gt;');
			obj.changed.plain = obj.changed.plain.replace(/</g, '&lt;');
			break;

// redo all
		case 'wikEdRedoAll':
			if (wikEdLastVersion != null) {
				obj.changed.plain = wikEdLastVersion;
			}
			break;

// update syntax highlighting
		case 'wikEdUpdateSyntax':
			highlightSyntax = true;
			break;

// create wikilink
		case 'wikEdWikiLink':
			if ( /\[\[(.*?)\]\]/.test(obj.changed.plain) ) {
				obj.changed.plain = obj.changed.plain.replace(/\[\[(.*?)\]\]/g, '$1');
			}
			else {
				obj.changed.plain = '\[\[' + obj.changed.plain + '\]\]';
				obj.changed.plain = obj.changed.plain.replace(/(\[\[)( *)(.*?)( *)(\]\])/, '$2$1$3$5$4');
			}
			break;

// create weblink
		case 'wikEdWebLink':
			if ( /\[(.*?)\]/.test(obj.changed.plain) ) {
				obj.changed.plain = obj.changed.plain.replace(/\[(.*?)\]/g, '$1');
			}
			else {
				obj.changed.plain = '\[' + obj.changed.plain + '\]';
				obj.changed.plain = obj.changed.plain.replace(/(\[)( *)(.*?)( *)(\])/, '$2$1$3$5$4');
			}
			break;

// decrease heading level
		case 'wikEdDecreaseHeading':
			obj.changed.plain = obj.changed.plain.replace(/(^|\n)=(=+) *([^\n]*?) *=+(?=\n|$)/g, '$1$2 $3 $2'); // decrease heading
			obj.changed.plain = obj.changed.plain.replace(/(^|\n)=(?!=) *([^\n]*?) *=+(?=\n|$)/g, '$1$2'); // remove heading
			obj.changed.plain = obj.changed.plain.replace(/(^|\n)(=+) *([^\n]*?) *=+(?=\n|$)/g, '$1$2 $3 $2'); // adjust closing tags
			break;

// increase heading level
		case 'wikEdIncreaseHeading':
			obj.changed.plain = obj.changed.plain.replace(/(^|\n)(=+) *([^\n]*?) *=+(?=\n|$)/g, '$1=$2 $3 $2='); // increase heading
			obj.changed.plain = obj.changed.plain.replace(/(^|\n)([^=\n\s][^\n]*?)(?=\n|$)/g, '$1== $2 =='); // create new heading
			obj.changed.plain = obj.changed.plain.replace(/(^|\n)(=+) *([^\n]*?) *=+(?=\n|$)/g, '$1$2 $3 $2'); // adjust closing tags
			break;

// create bullet list
		case 'wikEdBulletList':
			obj.changed.plain = obj.changed.plain.replace(/([^\n]+)/g,
				function (p, p1) {
					p1 = p1.replace(/^ *([\*\#\:\;]*) */g, '*$1 ');
					p1 = p1.replace(/^(\*{4,})([\*\#\:\;]*)/g, '$2');
					return(p1);
				}
			);
			break;

// create numbered list
		case 'wikEdNumberList':
			obj.changed.plain = obj.changed.plain.replace(/([^\n]+)/g,
				function (p, p1) {
					p1 = p1.replace(/^ *([\*\#\:\;]*) */g, '#$1 ');
					p1 = p1.replace(/^(\*{4,})([\*\#\:\;]*)/g, '$2');
					return(p1);
				}
			);
			break;

// create indented list
		case 'wikEdIndentList':
			obj.changed.plain = obj.changed.plain.replace(/([^\n]+)/g,
				function (p, p1) {
					p1 = p1.replace(/^ *([\*\#\:\;]*) */g, ':$1 ');
					p1 = p1.replace(/^(\*{4,})([\*\#\:\;]*)/g, '$2');
					return(p1);
				}
			);
			break;

// create definition list
		case 'wikEdDefinitionList':
			obj.changed.plain = obj.changed.plain.replace(/([^\n]+)/g,
				function (p, p1) {
					p1 = p1.replace(/^ *([^\s\;]+) */g, '; $1 : ');
					return(p1);
				}
			);
			break;

// create image
		case 'wikEdImage':
			if (obj.changed.plain != '') {
				obj.changed.plain = '[[Image:<span class="wikEdInsertHere">filename</span>|thumb|<span class="wikEdInsertHere">width</span>px|' + obj.changed.plain + ']]';
			}
			else {
				obj.changed.plain = '[[Image:<span class="wikEdInsertHere">filename</span>|thumb|<span class="wikEdInsertHere">width</span>px|<span class="wikEdInsertHere"> </span>]]';
				if (obj.focusWord.plain != '') {
					obj.changed.plain = ' ' + obj.changed.plain + ' ';
				}
			}
			break;

// create table
		case 'wikEdTable':
			if (obj.changed.plain != '') {
				obj.changed.plain = obj.changed.plain.replace(/(^|\n) */g, '\n|-\n| ');
				obj.changed.plain = obj.changed.plain.replace(/^\n\|\-\n/, '\n{| class="wikitable"\n');
				obj.changed.plain = obj.changed.plain.replace(/$/g, '\n|}\n');
			}
			else {
				obj.changed.plain = '\n{| class="wikitable"\n|+ <span class="wikEdInsertHere">caption</span>\n! <span class="wikEdinserthere">heading</span> !! <span class="wikEdInsertHere">heading</span>\n|-\n| <span class="wikEdInsertHere">cell</span> || <span class="wikEdInsertHere">cell</span>\n|-\n| <span class="wikEdInsertHere">cell</span> || <span class="wikEdInsertHere">cell</span>\n|}\n';
				if (obj.focusLine.plain != '') {
					obj.changed.plain = '\n' + obj.changed.plain + '\n';
				}
			}
			break;

// wikify: always done above
		case 'wikEdWikify':
			break;

// textify: strip html from pasted content
		case 'wikEdTextify':
			var objTextify = {};

// get inner html without wikifying
			if (obj.changed.from == 'whole') {
				WikEdGetInnerHTML(objTextify, wikEdFrameBody);
			}
			else {
				obj.selection.range = obj.sel.getRangeAt(obj.sel.rangeCount - 1);
				var documentFragment = obj.selection.range.cloneContents();
				WikEdGetInnerHTML(objTextify, documentFragment);
			}

			WikEdTextify(objTextify);
			obj.changed.plain = objTextify.plain;
			obj.changed.plain = obj.changed.plain.replace(/\n/g, '<br />');
			break;

// redirect
		case 'wikEdRedirect':
			var linkTarget;
			if (obj.selectionWord.plain != '') {
				linkTarget = obj.selectionWord.plain;
			}
			else {
				linkTarget = '<span class="wikEdInsertHere">article link</span>';
			}

// remove leading and trailing spaces
			linkTarget = linkTarget.replace(/^\s+|\s+$/g, '');

// remove link text
			linkTarget = linkTarget.replace(/\|.*?(\]|$)/g, '$1');

// remove square brackets
			linkTarget = linkTarget.replace(/\[|\]/g, '');

// remove link leftovers
			linkTarget = linkTarget.replace(/ +\| +/g, ' ');

			obj.changed.plain = '#redirect [[' + linkTarget + ']]';

			if (wikEdInputElement['summary'].value == '') {
				wikEdInputElement['summary'].value = '#redirect [[' + linkTarget + ']]';
			}
			selectChange = false;
			break;

// copy selection to find field
		case 'wikEdGetFind':
			wikEdInputElement['find'].value = obj.changed.plain;
			obj.changed.plain = null;
			break;

// copy selection to find and to replace field
		case 'wikEdGetFindReplace':
			wikEdInputElement['find'].value = obj.changed.plain;
			wikEdInputElement['replace'].value = obj.changed.plain;
			obj.changed.plain = null;
			break;

// find and replace
		case 'wikEdFindPrev':
		case 'wikEdFindNext':
		case 'wikEdReplacePrev':
		case 'wikEdReplaceNext':
		case 'wikEdFindAll':
		case 'wikEdReplaceAll':

// get the find text //////////////////
			var findText;
			if (wikEdInputElement['find'].value != '') {
				findText = wikEdInputElement['find'].value;
			}
			else {
				if (obj.selection.plain == '') {
					obj.changed.plain = null;
					break;
				}
				else {
					findText = obj.selection.plain;
				}
			}

// get the replace text
			var replaceText = wikEdInputElement['replace'].value;

// get the find and replace checkbutton states
			var caseSensitiveButton = document.getElementById('wikEdCaseSensitive');
			var regExpButton = document.getElementById('wikEdRegExp');
			var findAheadButton = document.getElementById('wikEdFindAhead');

// format the find and replace texts as regexp or plain text
			if (regExpButton.checked == false) {
				findText = findText.replace(/([\\^\$\*\+\?\.\(\)\[\]\{\}\:\=\!\|\,\-])/g, '\\$1');
			}

// replace \n with newline character
			else {
				replaceText = replaceText.replace(/((^|[^\\])(\\\\)*)\\n/g, '$1\n');
			}

// set regexp flags
			var regExpFlags = 'g';
			if ( ! caseSensitiveButton.checked ) {
				regExpFlags += 'i';
			}

// create regexp
			var regExpFind = new RegExp(findText, regExpFlags);

// replace all
			var replacedFlag = false;
			if (whichButton == 'wikEdReplaceAll') {
				if (regExpFind.test(obj.changed.plain)) {
					obj.changed.plain = obj.changed.plain.replace(regExpFind, replaceText);
					replacedFlag = true;
				}
				else {
					obj.changed.plain = null;
				}
			}

// find all
			if (whichButton == 'wikEdFindAll') {
////////////////////////// set selection with multiple ranges
				obj.changed.plain = null;
				break;
			}

// replace an existing selection
			else if ( (whichButton == 'wikEdReplacePrev') || (whichButton == 'wikEdReplaceNext') ) {
				if (regExpFind.test(obj.selection.plain)) {
					obj.changed.plain = obj.selection.plain.replace(regExpFind, replaceText);
					replacedFlag = true;
				}
				else {
					obj.changed.plain = null;
				}
			}
			else if ( (whichButton == 'wikEdFindNext') || (whichButton == 'wikEdFindPrev') ) {
				obj.changed.plain = null;
			}

			if ( (whichButton == 'wikEdFindNext') || (whichButton == 'wikEdFindPrev') || (whichButton == 'wikEdReplaceNext')  || (whichButton == 'wikEdReplacePrev') ) {
				if (replacedFlag == false) {

// get direction
					var backwards = false;
					if ( (whichButton == 'wikEdFindPrev') || (whichButton == 'wikEdReplacePrev') ) {
						backwards = true;
					}

// get case sensitive
					var caseSensitive = false;
					if (caseSensitiveButton.checked == true) {
						caseSensitive = true;
					}

// find the text
					if (regExpButton.checked) {
						WikEdFind(obj, findText, caseSensitive, backwards, regExpFind);
					}
					else {
						WikEdFind(obj, findText, caseSensitive, backwards, null);
						selectChange = false;
					}
				}
			}

// save search history to cookie
			if ( (whichButton == 'wikEdFindPrev') || (whichButton == 'wikEdFindNext') ) {
				WikEdAddToHistory('find');
			}
			if ( (whichButton == 'wikEdReplacePrev') || (whichButton == 'wikEdReplaceNext') || (whichButton == 'wikEdReplaceAll') ) {
				WikEdAddToHistory('find');
				WikEdAddToHistory('replace');
			}
			break;

// jump to top or bottom
		case 'wikEdUpdown':

// jump to bottom
/////////////////////// also check which is closer!!!!!
			if ( (obj.cursor.range.startContainer == wikEdFrameBody) && (obj.cursor.range.startOffset == 0) ) {
				obj.changed.range.setEndAfter(wikEdFrameBody.lastChild);
				obj.changed.range.collapse(false);
				wikEdFrameBody.scrollTop = wikEdFrameBody.scrollHeight;
			}

// jump to top
			else {
				obj.changed.range.setStartBefore(wikEdFrameBody.firstChild);
				obj.changed.range.collapse(true);
				wikEdFrameBody.scrollTop = 0;
			}
			obj.changed.plain = null;
			break;

// jump to previously changed position
		case 'wikEdPrevPos':
			if (wikEdFrameDocument.queryCommandEnabled('undo') == true) {
				WikEdFrameExecCommand('undo');
				WikEdFrameExecCommand('redo');
				wikEdLastPosObj = obj.cursor;
			}
			obj.changed.plain = null
			break;

// jump back to last position
		case 'wikEdLastPos':
			if (wikEdLastPosObj != null) {
				obj.changed = wikEdLastPosObj;
				wikEdLastPosObj = null;
				obj.changed.plain = null;
			}
			else {
				obj.changed.plain = null;
			}
			break;

// fixbasic: fix characters, spaces, empty lines, certain headings, needed for all fixing functions
// to do: only certain changes in multiline tags: comments, tables, subst
		case 'wikEdFixBasic':
			WikEdFixBasic(obj.changed);
			break;
		case 'wikEdFixPunct':
			WikEdFixPunct(obj.changed);
			break;
		case 'wikEdFixMath':
			WikEdFixMath(obj.changed);
			break;
		case 'wikEdFixChem':
			WikEdFixChem(obj.changed);
			break;
		case 'wikEdfixUnicode':
			WikEdFixUnicode(obj.changed);
			break;
		case 'wikEdFixUnits':
			WikEdFixUnits(obj.changed);
			break;
		case 'wikEdFixDashes':
			WikEdFixDashes(obj.changed);
			break;
		case 'wikEdFixHtml':
			WikEdFixHTML(obj.changed);
			break;
		case 'wikEdFixCaps':
			WikEdFixCaps(obj.changed);
			break;
		case 'wikEdFixAll':
			WikEdFixAll(obj.changed);
			break;

// source on
		case 'wikEdSource':
			obj.changed.plain = obj.changed.code;
			obj.changed.plain = obj.changed.plain.replace(/(<(br|p)\b[^>]*>)/g, '$1\n');
			obj.changed.plain = obj.changed.plain.replace(/&/g, '&amp;');
			obj.changed.plain = obj.changed.plain.replace(/</g, '&lt;');
			obj.changed.plain = obj.changed.plain.replace(/>/g, '&gt;');
			highlightSyntax = false;
			break;

// insert tags
		case 'wikEdInsertTags':
			var tagOpen = parameterArray[0] || '';
			var tagClose = parameterArray[1] || '';
			var sampleText = parameterArray[2] || '';
			tagOpen = tagOpen.replace(/&/g, '&amp;');
			tagOpen = tagOpen.replace(/</g, '&lt;');
			tagOpen = tagOpen.replace(/>/g, '&gt;');
			tagClose = tagClose.replace(/&/g, '&amp;');
			tagClose = tagClose.replace(/</g, '&lt;');
			tagClose = tagClose.replace(/>/g, '&gt;');
			tagsampleText = sampleText.replace(/&/g, '&amp;');
			tagsampleText = sampleText.replace(/</g, '&lt;');
			tagsampleText = sampleText.replace(/>/g, '&gt;');
			if ( (obj.changed.plain == '') && (sampleText.length > 0) ) {
				obj.changed.plain = tagOpen + sampleText + tagClose;
			}
			obj.changed.plain = tagOpen + obj.changed.plain + tagClose;
			break;

// default
		default:
			alert('Unknown edit function \'' + whichButton + '\'');
	}

// update the selection only, do not change the text
	if (obj.changed.plain == null) {
		obj.sel.removeAllRanges();
		obj.sel.addRange(obj.changed.range);

// scroll the selected text into the viewport by using a backwards find
		if (selectChange != false) {

// get the plain text of the selection
			var plainText = obj.sel.getRangeAt(obj.sel.rangeCount - 1).cloneContents().textContent;

// collapse the selection to the end and search backwards
			if (plainText.length > 0) {
				if (plainText.indexOf('\n') < 0) {
					obj.changed.range.collapse(false);

// function: window.find(string, caseSensitive, backwards, wrapAround, wholeWord, searchInFrames, showDialog)
					wikEdFrameWindow.find(plainText, true, true, false, false, false, false);
				}
			}
		}
	}

// apply text changes
	else {

// a text change erases the last version for redo all
		if ( (whichButton != 'wikEdUndo') && (whichButton != 'wikEdRedo') && (whichButton != 'wikEdUndoAll') ) {
			wikEdLastVersion = null;
		}

// highlight the syntax
		obj.html = obj.changed.plain;
		if (highlightSyntax == true) {
			WikEdHighlightSyntax(obj);
		}

// display tabs
		else {
			obj.html = obj.html.replace(/(\t)/g, '<pre class="wikEdTabPlain">$1</pre><!--wikEdTabPlain-->');
		}

// display multiple blanks as blank-&nbsp;
		obj.html = obj.html.replace(/  /g, '&nbsp; ');
		obj.html = obj.html.replace(/  /g, '&nbsp; ');

// newlines to <br />
		obj.html = obj.html.replace(/\n/g, '<br />');

// make changed range text the current selection
		obj.sel.removeAllRanges();
		obj.sel.addRange(obj.changed.range);

// get the scroll position
		var frameSrollTop;
		if (obj.changed.from == 'whole') {
			frameSrollTop = wikEdFrameBody.scrollTop
		}

// replace the selection with changed text
		if (obj.html != '') {
			WikEdFrameExecCommand('inserthtml', obj.html);
		}
		else {
			WikEdFrameExecCommand('delete');
		}

// select the whole text after replacing the whole text and scroll to same height
		if (obj.changed.from == 'whole') {
			wikEdFrameBody.scrollTop = frameSrollTop;
			var range = document.createRange();
			range.setStartBefore(wikEdFrameBody.firstChild);
			range.setEndAfter(wikEdFrameBody.lastChild);
			obj.sel.addRange(range);
			selectChange = false;
		}

// select the changed text and scroll it into the viewport by using a backwards find
		if (selectChange != false) {

// get the text content of the changed text
			var div = document.createElement('div');
			div.innerHTML = obj.changed.plain;
			var plainText = div.textContent;

// find the text
			if (plainText.length > 0) {
				if (plainText.indexOf('\n') < 0) {

// function: window.find(string, caseSensitive, backwards, wrapAround, wholeWord, searchInFrames, showDialog)
					wikEdFrameWindow.find(plainText, true, true, false, false, false, false);
				}
			}
		}
	}

// reset button to active, reset cursor
	if (buttonObj != null) {
		if (buttonObj.className != 'wikEdButtonInactive') {
			buttonObj.className = 'wikEdButton';
		}
		buttonObj.style.cursor = 'auto';
  }

// grey out inactive buttons
	WikEdInactiveButtons();

// reset the frame DOM cache because the frame content has been changed
	wikEdFrameDOMCache = null;

// focus the frame
	if (useWikEd == true) {
		wikEdFrameWindow.focus();
	}

	return;
}


//
// WikEdFind: custom find function with regexp properties, sets obj.changed.range, uses obj ranges
//

function WikEdFind(obj, findText, caseSensitive, backwards, regExp) {

	var range = obj.sel.getRangeAt(obj.sel.rangeCount - 1);

// empty the range to avoid error messages for reverse direction ranges
	obj.changed.range = document.createRange();

// use the fast built-in find function for non-regexp searches
	if (regExp == null) {

// function: window.find(string, caseSensitive, backwards, wrapAround, wholeWord, searchInFrames, showDialog)
		var found = wikEdFrameWindow.find(findText, caseSensitive, backwards, false, false, false, false);
		if (found == false) {
			obj.changed.range.setStart(range.startContainer, range.startOffset);
			obj.changed.range.setEnd(range.endContainer, range.endOffset);
			obj.changed.range.collapse(backwards);
		}
		else {
			range = obj.sel.getRangeAt(obj.sel.rangeCount - 1);
			obj.changed.range.setStart(range.startContainer, range.startOffset);
			obj.changed.range.setEnd(range.endContainer, range.endOffset);
		}
	}

// slow javascript regexp find and replace
	else {

// perform find
		WikEdParseDOM(obj, wikEdFrameBody);
		var regExpMatch = [];

// find next, search to the right
		if (backwards == false) {

// set start position for search to right
			regExp.lastIndex = obj.plainFocus;

// execute the regexp search to the right
			regExpMatch = regExp.exec(obj.plain);

// collapse the selection to its end for no find
			if (regExpMatch == null) {
				obj.changed.range.setEnd(range.endContainer, range.endOffset);
				obj.changed.range.collapse(false);
			}
		}

// find previous, search to the left
		else {

// cycle through the matches to the left
			var regExpMatchNext;
			do {
				regExpMatch = regExpMatchNext;
				regExpMatchNext = regExp.exec(obj.plain);
				if (regExpMatchNext == null) {
					break;
				}
			} while (regExpMatchNext.index < obj.plainAnchor);

// collapse the selection to its start for no find
			if (regExpMatch == null) {
				obj.changed.range.setStart(range.startContainer, range.startOffset);
				obj.changed.range.collapse(true);
			}
		}

// select the find
		if (regExpMatch != null) {
			i = 0;
			while ( (obj.plainStart[i + 1] <= regExpMatch.index) && (obj.plainStart[i + 1] != null) ) {
				i ++;
			}
			j = i;
			while ( (obj.plainStart[j + 1] <= regExpMatch.index + regExpMatch[0].length) && (obj.plainStart[j + 1] != null) ) {
				j ++;
			}
			obj.changed.range.setEnd  (obj.plainNode[j], regExpMatch.index + regExpMatch[0].length - obj.plainStart[j]);
			obj.changed.range.setStart(obj.plainNode[i], regExpMatch.index - obj.plainStart[i]);
		}
	}
	return;
}


//
// WikEdTextify: strip html off of text
//

function WikEdTextify(obj) {

// convert html to plain
	obj.plain = obj.html;
	obj.plain = obj.plain.replace(/\n/g, '');

// delete tags
	obj.plain = obj.plain.replace(/<(style|script|script|object|applet|embed)\b[^>]*>.*?<\/\1>/g, '');

// newlines
	obj.plain = obj.plain.replace(/<(br)\b[^>]*>/g, '\n');

// remove highlighting pre tags
	var isRemove = [];
	obj.plain = obj.plain.replace(/(<(\/?)pre\b([^>]*)>)/g,
		function (p, p1, p2, p3) {
			if (p2 == '') {
				if (/\bclass=\"wikEd\w+\"/.test(p3)) {
					isRemove.push(true);
					return('');
				}
				isRemove.push(false);
				return(p1);
			}
			if (isRemove.pop() == true) {
				return('');
			}
			return(p1);
		}
	);

// blocks
	obj.plain = obj.plain.replace(/<\/?(address|blockquote|center|div|h1|h2|h3|h4|h5|h6|hr|isindex|p|pre)\b[^>]*>/g, '\u0000\u0000');

// lists
	obj.plain = obj.plain.replace(/<\/?(dir|dl|menu|ol|ul)\b[^>]*>/g, '\u0000');
	obj.plain = obj.plain.replace(/<\/(dd|dt|li)>/g, '\u0000');

// forms
	obj.plain = obj.plain.replace(/<\/?(select|textarea)\b[^>]*>/g, '\u0000');
	obj.plain = obj.plain.replace(/<\/(option|legend|optgroup)>/g, '\u0000');

// table
	obj.plain = obj.plain.replace(/<\/?(table|caption)\b[^>]*>/g, '\u0000');
	obj.plain = obj.plain.replace(/<\/(tr|th|td)>/g, '\u0000');

// finish html to plain conversion
	obj.plain = obj.plain.replace(/<[^>]*>/g, '');

// remove trailing spaces
	obj.plain = obj.plain.replace(/[ \t\u00a0]+([\n\u0000])/g, '$1');

// trim down \u0000 and \n
	obj.plain = obj.plain.replace(/\u0000+/g, '\n');
	obj.plain = obj.plain.replace(/^\n+/g, '');
	obj.plain = obj.plain.replace(/\n{2,}$/g, '\n');

	return;
}


//
// WikEdInactiveButtons: grey out inactive buttons, called after every change and click ////////////////////
//

function WikEdInactiveButtons() {

// undo, prevpos
	if (wikEdFrameDocument.queryCommandEnabled('undo') == true ) {
		document.getElementById('wikEdUndo').className = 'wikEdButton';
		document.getElementById('wikEdPrevPos').className = 'wikEdButton';
		document.getElementById('wikEdUndoAll').className = 'wikEdButton';
	}
	else {
		document.getElementById('wikEdUndo').className = 'wikEdButtonInactive';
		document.getElementById('wikEdPrevPos').className = 'wikEdButtonInactive';
		document.getElementById('wikEdUndoAll').className = 'wikEdButtonInactive';
	}

// redo
	if (wikEdFrameDocument.queryCommandEnabled('redo') == true ) {
		document.getElementById('wikEdRedo').className = 'wikEdButton';
	}
	else {
		document.getElementById('wikEdRedo').className = 'wikEdButtonInactive';
	}

// redo all
	if (wikEdLastVersion != null) {
		document.getElementById('wikEdRedoAll').className = 'wikEdButton';
	}
	else {
		document.getElementById('wikEdRedoAll').className = 'wikEdButtonInactive';
	}

// lastpos
	if (wikEdLastPosObj != null) {
		document.getElementById('wikEdLastPos').className = 'wikEdButton';
	}
	else {
		document.getElementById('wikEdLastPos').className = 'wikEdButtonInactive';
	}

	return;
}

//
// WikEdFixBasic: fix characters, spaces, empty lines, certain headings, needed for all fixing functions
//

/// change: double spaces ok after dot

function WikEdFixBasic(obj) {

// non-breaking space character to normal space
	obj.plain = obj.plain.replace(/(\u00a0)/g, ' ');

// remove trailing spaces
	obj.plain = obj.plain.replace(/( |&nbsp;)+\n/g, '\n');

// empty line before and after headings, spaces around word (lookahead)
	obj.plain = obj.plain.replace(/\n+(={2,}) *([^\n]*?) *(={2,})(?=\n)\n*/g, '\n\n$1 $2 $3\n\n');

// uppercase well known headings
	obj.plain = obj.plain.replace(/\n== external links? ==\n/ig, '\n== External links ==\n');
	obj.plain = obj.plain.replace(/\n== see also ==\n/ig, '\n== See also ==\n');
	obj.plain = obj.plain.replace(/\n== references? ==\n/ig, '\n== References ==\n');

// add space after * # : ; (list) and after {| |- | (table)
	obj.plain = obj.plain.replace(/(^|\n)([\*\#\:\;]+|\{\||\|\-|\|\}|\|) */g, '$1$2 ');
	obj.plain = obj.plain.replace(/ +\n/g, '\n');

// empty line before and after tables
	obj.plain = obj.plain.replace(/\n+(\{\|)/g, '\n\n$1');
	obj.plain = obj.plain.replace(/(\n\|\}) *([^\n]*)[\n|$]+/g, '$1\n\n$2\n\n');

// empty line before and after lists
	obj.plain = obj.plain.replace(/(^|\n)([^\*\#\:\;].*?)\n+([\*\#\:\;])/g, '$1$2\n\n$3');
	obj.plain = obj.plain.replace(/(^|\n)([\*\#\:\;].*?)\n+([^\*\#\:\;])/g, '$1$2\n\n$3');

// split into lines and change single lines, used to handle tables
	var lines = obj.plain.split('\n');
	obj.plain = '';
	var tableflag = false;
	for (var i = 0; i < lines.length; i++) {
		var line = lines[i];

// do not change lines starting with a blank
		if ( ! line.match(/^ /) ) {

// detect table
			if ( line.match(/^(\{\||\!|\|[^}])/) ) {
				tableflag = true;
			}
			else if ( line.match(/^\|\}/) ) {
				tableflag = false;
			}

// changes only to be done in tables
			if (tableflag) {

// add spaces around ||
				line = line.replace(/ *\|\| */g, ' || ');
			}

// changes not to be done in tables
			if ( ! tableflag) {

// empty line before and after images
				line = line.replace(/^(\[\[image:.*?\]\])/ig, '\n$1');
				line = line.replace(/(\[\[image:.*?(\[\[.*?\]\].*?)*\]\])$/ig, '$1\n');

// empty line before and after includes
				line = line.replace(/^(\{\{.*?\}\})/g, '\n$1');
				line = line.replace(/(\{\{.*?\}\})$/g, '$1\n');

// to be done: convert single newlines into spaces
//      line = line.replace(/(\n[^\n \*\#\:\;\|\{].*?)\n([^\n \*\#\:\;\|\{])/g, '$1 $2');
			}
		}

// concatenate the lines
		obj.plain += line;
		if (i < lines.length - 1) {
			obj.plain += '\n';
		}
	}

// remove spaces in wikilinks
	obj.plain = obj.plain.replace(/\[\[ *([^\n]*?) *\]\]/g, '[[$1]]');

// remove spaces in external links
	obj.plain = obj.plain.replace(/\[ *([^\n]*?) *\]/g, '[$1]');

// no space around pipes before brackets
	obj.plain = obj.plain.replace(/ +\| +\]\]/g, '|]]');

// no space around pipes before curly brackets
	obj.plain = obj.plain.replace(/ +\| +\}\}/g, '|}}');

// no empty line between headings and includes
	obj.plain = obj.plain.replace(/\n(==+ [^\n]*? ==+\n)\n+(\{\{.*?\}\})/g, '\n$1$2');

// spaces in comments
	obj.plain = obj.plain.replace(/(&lt;!--) *([^\n]*?) *(--&gt;)/g, '$1 $2 $3');


/* ????
// empty lines around html comments
	obj.plain = obj.plain.replace(/\n+(&lt;!--.*?--&gt;)\n+/g, '\n$1\n\n');
	obj.plain = obj.plain.replace(/^(&lt;!--.*?--&gt;)\n+/g, '$1\n');
	obj.plain = obj.plain.replace(/\n+(&lt;!--.*?--&gt;)$/g, '\n$1');
*/

// empty line before and after categories
	obj.plain = obj.plain.replace(/( |\n)*(\[\[category:[^\n]*?\]\])( |\n)*/gi, '\n\n$2\n\n');

// categories not separated by empty lines (lookahead)
	obj.plain = obj.plain.replace(/(\[\[category:[^\n]*?\]\])\n*(?=\[\[category:[^\n]*?\]\])/gi, '$1\n');

// single empty lines only
	obj.plain = obj.plain.replace(/\n{3,}/g, '\n\n');

// remove leading and trailing newlines
	obj.plain = obj.plain.replace(/^\n+/, '');
	obj.plain = obj.plain.replace(/\n{2,}$/, '\n');

	return;
}


//
// WikEdFixPunct: remove space before .,:;
//

function WikEdFixPunct(obj) {
	WikEdFixBasic(obj);

	obj.plain = obj.plain.replace(/([\w\'\"\”\]\}\)]) +([\.\,\:\;])(\s+|$)/g, '$1$2 ');
	obj.plain = obj.plain.replace(/\s+$/g, '');

	return;
}


//
// WikEdFixUnicode: fix unicode character representations
//

function WikEdFixUnicode(obj) {

// replace supported chars: change decimal, hex, and character entities into actual char
	for (i = 0; i < wikEdSupportedChars.length; i ++) {
		var replaceChar = String.fromCharCode(parseInt(wikEdSupportedChars[i][0], 16));

// decimal representation
		var regExpStr = '&#0*' + parseInt(wikEdSupportedChars[i][0], 16) + ';|';

// hex representation
		regExpStr += '&#x0*' + wikEdSupportedChars[i][0] + ';';

// case insensitive replace
		var regExp = new RegExp(regExpStr, 'gi');
		obj.plain = obj.plain.replace(regExp, replaceChar);

// character entity representation
		regExpStr = '&amp;' + wikEdSupportedChars[i][1] + ';';

// case sensitive replace
		regExp = new RegExp(regExpStr, 'g');
		obj.plain = obj.plain.replace(regExp, replaceChar);
	}

// replace unsupported chars (IE6): change decimal, hex, and chars into character entities
	for (i = 0; i < wikEdProblemChars.length; i ++) {
		replaceChar = '&' + wikEdProblemChars[i][1] + ';';

// decimal representation
		regExpStr = '&#0*' + parseInt(wikEdProblemChars[i][0], 16) + ';|';

// hex representation
		regExpStr += '&#x0*' + wikEdProblemChars[i][0] + ';';

// case insensitive replace
		regExp = new RegExp(regExpStr, 'gi');
		obj.plain = obj.plain.replace(regExp, replaceChar);

// actual character representation
		regExpStr = '\\u' + wikEdProblemChars[i][0];

// case sensitive replace
		regExp = new RegExp(regExpStr, 'g');
		obj.plain = obj.plain.replace(regExp, replaceChar);
	}

// replace special chars (spaces and invisible characters): change decimal, hex, and chars into character entities
	for (i = 0; i < wikEdSpecialChars.length; i ++) {
		var replaceChar = '&amp;' + wikEdSpecialChars[i][1] + ';';

// decimal representation
		var regExpStr = '&#0*' + parseInt(wikEdSpecialChars[i][0], 16) + ';|';

// hex representation
		regExpStr += '&#x0*' + wikEdSpecialChars[i][0] + ';';

// case insensitive replace
		var regExp = new RegExp(regExpStr, 'gi');
		obj.plain = obj.plain.replace(regExp, replaceChar);

// actual character representation
		regExpStr = '\\u' + wikEdSpecialChars[i][0];

// case sensitive replace
		var regExp = new RegExp(regExpStr, 'g');
		obj.plain = obj.plain.replace(regExp, replaceChar);
	}

// unicode line separator and paragraph separator
	obj.plain = obj.plain.replace(/\u2028/g, '\n');
	obj.plain = obj.plain.replace(/\u2029/g, '\n\n');

	return;
}


//
// WikEdFixMath: math character fixer, originally from User:Omegatron
//

function WikEdFixMath(obj) {

	WikEdFixBasic(obj);

// change only outside <math> </math> wikicode
	obj.plain = obj.plain.replace(/(.*?)((&lt;math(\b.*?)&gt;.*?&lt;\/math&gt;)|$)/gi,
		function (p, p1, p2) {

// convert html entities into actual dash characters
			p1 = p1.replace(/&plus;/g, '+');
			p1 = p1.replace(/&minus;/g, '\u2212');
			p1 = p1.replace(/&middot;/g, '·');

// convert dash next to a number into a minus sign character
			p1 = p1.replace(/([^\w\,\{])-(\d)/g, '$1\u2212$2');

// changes 2x3 to 2×3
			p1 = p1.replace(/(\d *)x( *\d)/g, '$1\u00d7$2');

// changes 10^3 to 10<sup>3</sup>
			p1 = p1.replace(/(\d*\.?\d+)\^(\u2212?\d+\.?\d*)/g, '$1&lt;sup&gt;$2&lt;/sup&gt;');

// change x^3 to x<sup>3</sup>
			p1 = p1.replace(/([\w])\^(\u2212?\d+\.?\d*) /g, '$1&lt;sup&gt;$2&lt;/sup&gt;');

// change +/- to ±
			p1 = p1.replace(/( |\d)\+\/(-|\u2212)( |\d)/g, '$1\u00b1$3');

// htmlize single char superscripts
			p1 = p1.replace(/(\u00b9|&sup1;)/g, '&lt;sup&gt;1&lt;/sup&gt;');
			p1 = p1.replace(/(\u00b2|&sup2;)/g, '&lt;sup&gt;2&lt;/sup&gt;');
			p1 = p1.replace(/(\u00b3|&sup3;)/g, '&lt;sup&gt;3&lt;/sup&gt;');

			return(p1 + p2);
		}
	);
	return;
}


//
// WikEdFixChem: fix chemical formulas
//

function WikEdFixChem(obj) {

	WikEdFixBasic(obj);

	var realElements = 'H|He|Li|Be|B|C|N|O|F|Ne|Na|Mg|Al|Si|P|S|Cl|Ar|K|Ca|Sc|Ti|V|Cr|Mn|Fe|Co|Ni|Cu|Zn|Ga|Ge|As|Se|Br|Kr|Rb|Sr|Y|Zr|Nb|Mo|Tc|Ru|Rh|Pd|Ag|Cd|In|Sn|Sb|Te|I|Xe|Cs|Ba|Hf|Ta|W|Re|Os|Ir|Pt|Au|Hg|Tl|Pb|Bi|Po|At|Rn|Fr|Ra|Rf|Db|Sg|Bh|Hs|Mt|Ds|Rg|La|Ce|Pr|Nd|Pm|Sm|Eu|Gd|Tb|Dy|Ho|Er|Tm|Yb|Lu|Ac|Th|Pa|U|Np|Pu|Am|Cm|Bk|Cf|Es|Fm|Md|No|Lr';
	var pseudoElements = '|Me|Et|Pr|Bu|e';

// fix common typos
	obj.plain = obj.plain.replace(/([^a-z])h2o([^a-z])/g, '$1H2O$2');
	obj.plain = obj.plain.replace(/([^a-z])h3o+/g, '$1H3O+');
	obj.plain = obj.plain.replace(/([^a-z])oh-/g, '$1OH+');

// uppercase lowercased elements
	var regExp = new RegExp('(^|[^a-zA-Z])(' + realElements.toLowerCase() + pseudoElements.toLowerCase() + ')([^a-zA-Z]|$)', 'g');
	obj.plain = obj.plain.replace(regExp,
		function (p, p1, p2, p3) {
			if (p2 != 'e') {
				p2 = p2.substr(0, 1).toUpperCase() + p2.substr(1).toLowerCase();
			}
			return(p1 + p2 + p3);
		}
	);

// fix superscripts
	obj.plain = obj.plain.replace(/&plus;/g, '+');
	obj.plain = obj.plain.replace(/&minus;/g, '\u2212');
	obj.plain = obj.plain.replace(/&middot;/g, '·');
	regExp = new RegExp('(' + realElements + pseudoElements + '|\\))(\\d*(\\+|-|\\u2212))', 'g');
	obj.plain = obj.plain.replace(regExp,
		function (p, p1, p2, p3) {
			p2 = p2.replace(/-/g, '\u2212');
			return(p1 + '&lt;sup&gt;' + p2 + '&lt;/sup&gt;');
		}
	);

// fix indices
	regExp = new RegExp('(' + realElements + pseudoElements + '|\\))(\\d+)', 'g');
	obj.plain = obj.plain.replace(regExp, '$1&lt;sub&gt;$2&lt;/sub&gt;');

// fix prefixes
	regExp = new RegExp('(\\d+) *(\\(|' + realElements + pseudoElements + ')', 'g');
	obj.plain = obj.plain.replace(regExp, '$1$2');

// fix arrows
	obj.plain = obj.plain.replace(/ *-+&gt; */g, ' \u2192 ');
	obj.plain = obj.plain.replace(/ *&lt;-+ */g, ' \u2190 ');

// &hdarr; and "leftwards harpoon over rightwards harpoon" not yet supported in IE
//	obj.plain = obj.plain.replace(/ *(&lt;=+&gt;|&hdarr;|&harr;|\u2190 *\u2192) */g, ' \u21cc ');
	obj.plain = obj.plain.replace(/ *(&lt;==+&gt;|&hdarr;|&harr;|\u21cc|\u2190 *\u2192) */g, ' <=> ');

// fix -
	obj.plain = obj.plain.replace(/(\w|\)|&gt;) +(-|\u2212) +(\w|\()/g, '$1 \u2212 $3');

	return;
}


//
// WikEdFixUnits: unit formatter - new tab adds spaces between number and units, makes units consistent
// originally from User:Omegatron
//

function WikEdFixUnits(obj) {
	WikEdFixBasic(obj);

// convert all &deg; into actual ° symbol
	obj.plain = obj.plain.replace(/&deg;/g, '°');

// convert the word ohm(s) or the html entity into the actual Omega symbol (not the actual ohm symbol &#8486;) and make sure it's spaced
	obj.plain = obj.plain.replace(/(\d) ?(Y|Z|E|P|T|G|M|k|K|h|da|d|c|m|&mu;|µ|&micro;|n|p|f|a|z|y)? ?(&Omega;|&#8486;|(ohm|Ohm)s?)([\s.,:;\'\"\/\)])/g, '$1 $2\u03a9$5');

// convert various micro symbols into the actual micro symbol, make sure it's spaced
	obj.plain = obj.plain.replace(/(\d) ?(&mu;|&micro;)(g|s|m|A|K|mol|cd|rad|sr|Hz|N|J|W|Pa|lm|lx|C|V|O|F|Wb|T|H|S|Bq|Gy|Sv|kat|°C|M)([\s.,:;\'\"\/\)])/g, '$1 µ$3$4');

// convert capital K to lowercase k in units
	obj.plain = obj.plain.replace(/(\d) ?K(g|s|m|A|K|mol|cd|rad|sr|Hz|N|J|W|Pa|lm|lx|C|V|O|F|Wb|T|H|S|Bq|Gy|Sv|kat|°C|M)([\s.,:;\'\"\/\)])/g, '$1 k$2$3');

// capitalize units correctly
	obj.plain = obj.plain.replace(/(\d) ?(khz)([ ,.])/gi, '$1 kHz$3');
	obj.plain = obj.plain.replace(/(\d) ?(mhz)([ ,.])/gi, '$1 MHz$3');
	obj.plain = obj.plain.replace(/(\d) ?(ghz)([ ,.])/gi, '$1 GHz$3');
	obj.plain = obj.plain.replace(/(\d) ?(Y|Z|E|P|T|G|M|k|K|h|da|d|c|m|&mu;|µ|&micro;|n|p|f|a|z|y)?(hz|HZ)([\s.,:;\'\"\/\)])/g, '$1 $2Hz$4');
	obj.plain = obj.plain.replace(/(\d) ?(Y|Z|E|P|T|G|M|k|K|h|da|d|c|m|&mu;|µ|&micro;|n|p|f|a|z|y)?(pa|PA)([\s.,:;\'\"\/\)])/g, '$1 $2Pa$4');

// add a space before dB
	obj.plain = obj.plain.replace(/(\d) ?(dB)([\s.,:;\'\"\/\)])/g, '$1 $2$3');

// add a space before any units that were missed before
	obj.plain = obj.plain.replace(/(\d) ?(Y|Z|E|P|T|G|M|k|K|h|da|d|c|m|&mu;|µ|&micro;|n|p|f|a|z|y)?(g|m|A|K|mol|cd|rad|sr|Hz|N|J|W|Pa|lm|lx|C|V|O|F|Wb|T|H|S|Bq|Gy|Sv|kat|°C|M)([\s.,:;\'\"\/\)])/g, '$1 $2$3$4');

// separate one for seconds since they give a lot of false positives like "1970s". Only difference is mandatory prefix.
	obj.plain = obj.plain.replace(/(\d) ?(Y|Z|E|P|T|G|M|k|K|h|da|d|c|m|&mu;|µ|&micro;|n|p|f|a|z|y)(s)([\s.,:;\'\"\/\)])/g, '$1 $2$3$4');

// bps or b/s or bits/s --> bit/s
	obj.plain = obj.plain.replace(/([KkMmGgTtPpEeYyZz])(bps|bits?\/s|b\/s)/g, '$1bit/s');

// Bps or byte/s or bytes/s --> B/s
	obj.plain = obj.plain.replace(/([KkMmGgTtPpEeYyZz])(Bps|bytes?\/s)/g, '$1B/s');

// after that, make capitalization correct
	obj.plain = obj.plain.replace(/K(bit|B)\/s/g, 'k$1/s');
	obj.plain = obj.plain.replace(/m(bit|B)\/s/g, 'M$1/s');
	obj.plain = obj.plain.replace(/g(bit|B)\/s/g, 'G$1/s');
	obj.plain = obj.plain.replace(/t(bit|B)\/s/g, 'T$1/s');
	obj.plain = obj.plain.replace(/e(bit|B)\/s/g, 'E$1/s');
	obj.plain = obj.plain.replace(/y(bit|B)\/s/g, 'Y$1/s');
	obj.plain = obj.plain.replace(/z(bit|B)\/s/g, 'Z$1/s');

// fix a common error
	obj.plain = obj.plain.replace(/mibi(bit|byte)/g, 'mebi$1');

	return;
}


//
// WikEdFixDashes: dash fixer - adds a tab that fixes several obvious en/em dash, minus sign, and such special characters.
// originally from User:Omegatron
//

function WikEdFixDashes(obj) {
	WikEdFixBasic(obj);

// convert html entities into actual dash characters
	obj.plain = obj.plain.replace(/&mdash;/g, '—');
	obj.plain = obj.plain.replace(/&ndash;/g, '–');
	obj.plain = obj.plain.replace(/&minus;/g, '\u2212');

// convert -- and em dashes with or without spaces to em dash surrounded by spaces
	obj.plain = obj.plain.replace(/([a-zA-Z\'\"”\]\}\)]) *(--|—|&mdash;) *([a-zA-Z\'\"“\[\{\(])/g, '$1 — $3');

// convert - or en dashes with spaces to em dash character surrounded by spaces
	obj.plain = obj.plain.replace(/([a-zA-Z\'\"”\]\}])( |&nbsp;)+(\u2212|–|&ndash;) +([a-zA-Z\'\"“\[\{])/g, '$1$2— $4');

// convert hyphen next to lone number into a minus sign character
	obj.plain = obj.plain.replace(/([a-zA-Z\'\"”\]\>] )-(\d)/g, '$1\u2212$2');

// convert dashes to en dashes in dates
	obj.plain = obj.plain.replace(/([ \(][12]\d\d\d) ?(--?|—|&mdash;) ?([12]\d\d\d|\d\d)([ \),.;])/g, '$1–$3$4');

	return;
}


//
// WikEdFixHTML: fix html to wikicode
//

function WikEdFixHTML(obj) {
	WikEdFixBasic(obj);

// remove syntax highlighting
	obj.html = obj.plain;
	obj.html = obj.html.replace(/\n/g, '<br />');
	WikEdRemoveHighlighting(obj);

// turn visible html code into real html, exclude comments
	obj.html = obj.html.replace(/&lt;(\/?\w.*?)&gt;/g, '<$1>');

// wikify
	WikEdWikifyHTML(obj);

// turn real html into visible html code
	obj.html = obj.html.replace(/<br\b[^>]*>/g, '\n');
	obj.html = obj.html.replace(/</g, '&lt;');
	obj.html = obj.html.replace(/>/g, '&gt;');
	obj.plain = obj.html;

	return;
}


//
// WikEdFixCaps: fix capitalizing of lists, linklists, images, headings
//

function WikEdFixCaps(obj) {
	WikEdFixBasic(obj);

// uppercase lists
// start (listcode (char-ent|tag|category..|digit|non-word,non-ret))(word,non-digit..) end
	obj.plain = obj.plain.replace(/^([\*\#\:\;]+ (\&\w+\;|&lt;[^\n]*?&gt;|\{\{.*?\}\}[^\n]*|\d|[^\w\n])*)([^\W\d].*?)?$/gm,
		function (p, p1, p2, p3) {
			if ( ! p3.match(/^(http|ftp|alpha|beta|gamma|delta|epsilon|kappa|lambda|$)/) ) {
				p3 = p3.substr(0, 1).toUpperCase() + p3.substr(1);
			}
			return(p1 + p3);
		}
	);

// uppercase link lists (link)
	obj.plain = obj.plain.replace(/^([\*\#\:\;]+ \[\[)([^\n]*?)(\]\])/gm,
		function (p, p1, p2, p3) {

// uppercase link
			p2 = p2.replace(/^((\&\w+\;|\W|\d)*)([^\W\d].*)$/,
				function (p, p1, p2, p3) {
					if ( ! p3.match(/^(http|ftp|alpha|beta|gamma|delta|epsilon|kappa|lambda)/) ) {
						p3 = p3.substr(0, 1).toUpperCase() + p3.substr(1);
					}
					return(p1 + p3);
				}
			);

// uppercase comment
			p2 = p2.replace(/(\| *(\&\w+\;|&lt;[^\n]*?&gt;|\W|\d)*)([^\W\d].*)$/,
				function (p, p1, p2, p3) {
					if ( ! p3.match(/^(http|ftp|alpha|beta|gamma|delta|epsilon|kappa|lambda)/) ) {
						p3 = p3.substr(0, 1).toUpperCase() + p3.substr(1);
					}
					return(p1 + p3);
				}
			);
			return(p1 + p2 + p3);
		}
	);

// uppercase headings
	obj.plain = obj.plain.replace(/^(==+ (\&\w+\;|&lt;[^\n]*?&gt;|\d|[^\w\n])*)([^\W\d].*? ==+)$/gm,
		function (p, p1, p2, p3) {
			if ( ! p3.match(/^(http|ftp|alpha|beta|gamma|delta|epsilon|kappa|lambda)/) ) {
				p3 = p3.substr(0, 1).toUpperCase() + p3.substr(1);
			}
			return(p1 + p3);
		}
	);

// uppercase images
	obj.plain = obj.plain.replace(/(\[\[)image:(\w)([^\n]*\]\])/igm,
		function (p, p1, p2, p3) {
			return(p1 + 'Image:' + p2.toUpperCase() + p3);
		}
	);

	return;
}

//
// WikEdFixAll:
//

function WikEdFixAll(obj) {
	WikEdFixBasic(obj);
	WikEdFixUnicode(obj);
	WikEdFixHTML(obj);
	WikEdFixCaps(obj);
	return;
}


//
// WikEdRemoveElements: remove elements by tag name
//

function WikEdRemoveElements(tagNameArray) {

// cycle through the element names
	for each (var tagNameStr in tagNameArray) {
		var elementArray = wikEdFrameDocument.getElementsByTagName(tagNameStr);
		for (i = 0; i < elementArray.length; i ++) {
			elementArray[i].parentNode.removeChild(elementArray[i]);
		}
	}
	return;
}


//
// WikEdFindBoundaries: find word boundaries and line boundaries starting from selection.range
//

function WikEdFindBoundaries(word, line, whole, selection) {

// get the start node and offset
	var startNode = selection.range.startContainer;
	var startNodeOffset = selection.range.startOffset;

// get the end node and offset
	var endNode = selection.range.endContainer;
	var endNodeOffset = selection.range.endOffset;

	if (startNode.nodeType == 1) {
		startNode = startNode.childNodes[startNodeOffset];
		startNodeOffset = 0;
	}
	if (endNode.nodeType == 1) {
		endNode = endNode.childNodes[endNodeOffset];
		endNodeOffset = 0;
	}

// find the start and end nodes in the whole plain text arrays
	var startNodeIndex;
	var endNodeIndex;
	for (i = 0; i < whole.plainNode.length; i ++) {
		if (startNode == whole.plainNode[i]) {
			startNodeIndex = i;
		}
		if (endNode == whole.plainNode[i]) {
			endNodeIndex = i;
			break;
		}
	}

// find last previous word and line boundary
	var foundWord = false;
	var foundLine = false;
	var regExp = new RegExp('.*[^\\w\\-]', 'g');
	var plain = '';

// check text nodes left-wise for a boundary
	for (i = startNodeIndex; i >= 0; i --) {
		plain = whole.plainArray[i];

				plain = plain.replace(/&amp;/g, '&');
				plain = plain.replace(/&lt;/g, '<');
				plain = plain.replace(/&gt;/g, '>');

// boundary is a newline
		if (plain == '\n') {

// current newline is the start node
			if (i == startNodeIndex) {
				if (! foundWord) {
					word.range.setStartBefore(whole.plainNode[i]);
					foundWord = true;
				}
				line.range.setStartBefore(whole.plainNode[i]);
			}
			else {
				if (! foundWord) {
					word.range.setStartAfter(whole.plainNode[i]);
					foundWord = true;
				}
				line.range.setStartAfter(whole.plainNode[i]);
			}
			foundLine = true;
			break;
		}

// check text node for a word boundary
		else if (! foundWord) {
			if (i == startNodeIndex) {
				plain = plain.substr(0, startNodeOffset);

				plain = plain.replace(/&amp;/g, '&');
				plain = plain.replace(/&lt;/g, '<');
				plain = plain.replace(/&gt;/g, '>');
			}
			regExp.lastIndex = 0;
			if (regExp.exec(plain) != null) {
				word.range.setStart(whole.plainNode[i], regExp.lastIndex); /////
				foundWord = true;
			}
		}
	}

// boundary is start of text
	if (! foundLine) {
		line.range.setStartBefore(whole.plainNode[0]);
		if (! foundWord) {
			word.range.setStartBefore(whole.plainNode[0]);
		}
	}

// find next word and line boundary
	regExp = new RegExp('[^\\w\\-]', 'g');
	foundWord = false;
	foundLine = false;

// check text nodes right-wise for a boundary
	for (i = endNodeIndex; i < whole.plainArray.length; i ++) {
		plain = whole.plainArray[i];

				plain = plain.replace(/&amp;/g, '&');
				plain = plain.replace(/&lt;/g, '<');
				plain = plain.replace(/&gt;/g, '>');

// boundary is a newline
		if (plain == '\n') {
			if (! foundWord) {
				word.range.setEndBefore(whole.plainNode[i]);
				foundWord = true;
			}
			line.range.setEndBefore(whole.plainNode[i]);
			foundLine = true;
			break;
		}

// check text node for a word boundary
		else if (! foundWord) {
			if (i == endNodeIndex) {
				regExp.lastIndex = endNodeOffset;
			}
			else {
				regExp.lastIndex = 0;
			}
			var regExpArray = regExp.exec(plain);
			if (regExpArray != null) {
				word.range.setEnd(whole.plainNode[i], regExpArray.index);
				foundWord = true;
			}
		}
	}

// boundary is end of text
	if (! foundLine) {
		line.range.setEndAfter(whole.plainNode[whole.plainArray.length - 1]);
		if (! foundWord) {
			word.range.setEndAfter(whole.plainNode[whole.plainArray.length - 1]);
		}
	}
	return;
}


//
// remove syntax highlighting and wikify
//

function WikEdRemoveHighlightingWikify(obj) {

	if (obj.html != '') {

// remove syntax highlighting
		WikEdRemoveHighlighting(obj);

// wikify
		if (obj.htmlCode == true) {
			WikEdWikifyHTML(obj);
		}
	}
	return;
}


//
// WikEdWikifyHTML:
//   obj.html contains the text to be wikified
//   expects < > &lt; &gt; &amp;  spaces instead of &nbsp;  \n instead of <br />

/*
	allowed and converted tags:
			br|p
			h1|h2|h3|h4|h5|h6
			hr
			i|dfn|cite|em|var
			b|strong
			table|caption|col|thead|tfoot|tbody|tr|td|th
			dl|dt|dd|li|ol|ul
			a
	not allowed yet:
			bdo|q|kbd|samp|abbr|acronym|label
	other allowed tags:
			big|blockquote|colgroup|center|code|del|div|font|ins|pre|s|small|span|strike|sub|sup|tt|u|rb|rp|rt|ruby
	mediawiki tags:
			nowiki|math|gallery|noinclude|includeonly|ref|references
*/

function WikEdWikifyHTML(obj) {

	var regExpStr;
	var regExp;
	var regExpMatch;

// delete tags: <style>
	obj.html = obj.html.replace(/<(style)\b[^>]*>.*?<\/\1>/g, '');

// sanitize attributes in opening html tags
	obj.html = obj.html.replace(/<(\w+)(.*?) *(\/?)>/g,
		function (p, p1, p2, p3) {
			if (p3 != '') {
				p3 = ' ' + p3;
			}
			return('<' + p1 + WikEdSanitizeAttributes(p1, p2) + p3 + '>');
		}
	);

// remove <span> ... </span> pairs withhout attributes
	var isRemove = [];
	obj.html = obj.html.replace(/(<(\/?)span\b([^>]*)>)/g,
		function (p, p1, p2, p3) {
			if (p2 == '') {
				if (p3 == '') {
					isRemove.push(true);
					return('');
				}
				isRemove.push(false);
				return(p1);
			}
			if (isRemove.pop() == true) {
				return('');
			}
			return(p1);
		}
	);

// remove <p> ... </p> pairs withhout attributes
	var isRemove = [];
	obj.html = obj.html.replace(/(<(\/?)p\b([^>]*)>)/g,
		function (p, p1, p2, p3) {
			if (p2 == '') {
				if (p3 == '') {
					isRemove.push(true);
					return('\n\n');
				}
				isRemove.push(false);
				return(p1);
			}
			if (isRemove.pop() == true) {
				return('\n\n');
			}
			return(p1);
		}
	);

// remove trailing spaces
	obj.html = obj.html.replace(/[ \t]+\n/g, '\n');

// escape character entities
	obj.html = obj.html.replace(/&(?!(amp;|lt;|gt;))/g, '&amp;');

// remove MediaWiki table of contents
	obj.html = obj.html.replace(/<table\b[^>]*?\bid=\"toc\"[^>]*>.*?<\/table>/g, '');

// remove MediaWiki print footer
	obj.html = obj.html.replace(/<div\b[^>]*?\bclass=\"printfooter\"[^>]*>[^<>\"]+\"<a\b[^>]*>[^<]+<\/a>\"<\/div> */g, '');

// remove MediaWiki category list tags
	regExp = /<div\b[^>]*\bid=\"catlinks\"[^>]*>(.*?)<\/div>/g;
	while(regExp.test(obj.html) == true) {
		obj.html = obj.html.replace(regExp, '$1');
	}
	regExp = /<p\b[^>]*?\bclass=\"catlinks\"[^>]*>(.*?)<a\b[^>]*>[^<>]+<\/a>: (.*?)<\/p>/g;
	while(regExp.test(obj.html) == true) {
		obj.html = obj.html.replace(regExp, '$1$2');
	}

// remove comments
	obj.html = obj.html.replace(/<!--.*?-->/g, '');

// <hr> horizontal rule
	obj.html = obj.html.replace(/\s*<hr\b[^>]*>\s*/i, '\n----\n');

// <i> <em> <dfn> <var> <cite> italic
	obj.html = obj.html.replace(/<(i|em|dfn|var|cite)\b[^>]*>/g, '\'\'');
	obj.html = obj.html.replace(/<\/(i|em|dfn|var|cite)\b[^>]*>/g, '\'\'');

// <b> <strong> bold
	obj.html = obj.html.replace(/<(b|strong)\b[^>]*>/g, '\'\'\'');
	obj.html = obj.html.replace(/<\/(b|strong)\b[^>]*>/g, '\'\'\'');

// <h1> .. <h6> headings
	obj.html = obj.html.replace(/<span class=\"editsection\">.*?<\/span> */g, '');

	obj.html = obj.html.replace(/\s*<h1\b[^>]*>(.*?)<\/h1>\s*/g, '\n\n= $1 =\n\n');
	obj.html = obj.html.replace(/\s*<h2\b[^>]*>(.*?)<\/h2>\s*/g, '\n\n== $1 ==\n\n');
	obj.html = obj.html.replace(/\s*<h3\b[^>]*>(.*?)<\/h3>\s*/g, '\n\n=== $1 ===\n\n');
	obj.html = obj.html.replace(/\s*<h4\b[^>]*>(.*?)<\/h4>\s*/g, '\n\n==== $1 ====\n\n');
	obj.html = obj.html.replace(/\s*<h5\b[^>]*>(.*?)<\/h5>\s*/g, '\n\n===== $1 =====\n\n');
	obj.html = obj.html.replace(/\s*<h6\b[^>]*>(.*?)<\/h6>\s*/g, '\n\n====== $1 ======\n\n');

	obj.html = obj.html.replace(/<span\b[^>]*\bclass=\"mw-headline\">(.*?)<\/span> */g, '$1');

// sanitize <span> <div>
	obj.html = obj.html.replace(/<(span|div) ([^>]*)>/g,
		function (p, p1, p2) {
			return('<' + p1 + WikEdSanitizeAttributes(p1, p2) +  '>');
		}
	);

// remove <thead> <tbody> <tfoot>
	obj.html = obj.html.replace(/\s*<(thead|tbody|tfoot)\b[^>]*>\s*/g, '');

// line breaks in table cells
	obj.html = obj.html.replace(/(<(td|th)\b[^>]*>)\s*([^]*?)(<\/\2>)/g,
		function(p, p1, p2, p3, p4) {
			p3 = p3.replace(/\n/g, '&lt;br /&gt;\n');
			return(p1 + '<br />' + p3 + p4);
		}
	);

// remove table closing tags
	obj.html = obj.html.replace(/(<\/(td|th|tr|caption|thead|tbody|tfoot)>)/g, '');

// <td> table cells
	obj.html = obj.html.replace(/\s*<td>/g, '\n| ');
	obj.html = obj.html.replace(/\s*<(td) ([^>]*)>\s*/g,
		function (p, p1, p2) {
			return('\n|' + WikEdSanitizeAttributes(p1, p2) + ' | ');
		}
	);

// <th> table cells
	obj.html = obj.html.replace(/\s*<th>\s*/g, '\n| ');
	obj.html = obj.html.replace(/\s*<(th) ([^>]*)>\s*/g,
		function (p, p1, p2) {
			return('\n!' + WikEdSanitizeAttributes(p1, p2) + ' | ');
		}
	);

// line breaks in table cells continued
	obj.html = obj.html.replace(/<br\b[^>]*>/g, '\n');

// <tr> table rows
	obj.html = obj.html.replace(/\s*<tr>\s*/g, '\n|-\n');
	obj.html = obj.html.replace(/\s*<(tr) ([^>]*)>\s*/g,
		function (p, p1, p2) {
			return('\n|-' + WikEdSanitizeAttributes(p1, p2) + '\n');
		}
	);

// <caption> captionCaption
	obj.html = obj.html.replace(/\s*<caption>\s*/g, '\n|+ ');
	obj.html = obj.html.replace(/\s*<(caption) ([^>]*)>\s*/g,
		function (p, p1, p2) {
			return('\n|+' + WikEdSanitizeAttributes(p1, p2) + ' | ');
		}
	);

// <table> tables
	obj.html = obj.html.replace(/\s*<table>\s*(\|-\n)?/g, '\n\n{|\n');
	obj.html = obj.html.replace(/\s*<(table) ([^>]*)>\s*(\|-\n)?/g,
		function (p, p1, p2) {
			return('\n{|' + WikEdSanitizeAttributes(p1, p2) + '\n');
		}
	);
	obj.html = obj.html.replace(/\s*<\/table>\s*/g, '\n|}\n\n');

// convert links
	var regExpMatch = [];
	var regExpStr = '(<a(\\b[^>]*)>(.*?)</a>)';
	var regExp = new RegExp(regExpStr, 'gi');
	obj.html = obj.html.replace(regExp,
		function (p, p1, p2, p3) {
			var linkPar = p2;
			var linkText = p3;
			var linkArticle = '';
			var linkTitle = '';
			var imgWidth = '';

// internal wiki links

// get the title="" parameter
			regExpStr = ' href=\\"' + wikEdServer + '(' + wikEdArticlePath + '|' + wikEdScriptPath + ')([^\\">]*)\\"';
			regExp = new RegExp(regExpStr);
			regExpMatch = regExp.exec(linkPar);
			if (regExpMatch != null) {
				regExpStr = ' title=\\"([^\\">]*)\\"';
				regExp = new RegExp(regExpStr);
				regExpMatch = regExp.exec(linkPar);
				if (regExpMatch != null) {
					linkTitle = regExpMatch[1];
				}
			}

// get wiki article name from url parameter list
			regExpStr = ' href=\\"' + wikEdServer + wikEdScriptPath + 'index\\.php\\?[^\\"]*?\\btitle=([^\\"]*?)(&amp;|\\")';
			regExp = new RegExp(regExpStr);
			regExpMatch = regExp.exec(linkPar);
			if (regExpMatch != null) {
				linkArticle = regExpMatch[1];
				if (linkArticle != '') {
					linkArticle = linkArticle.replace(/_/g, ' ');
					linkArticle = decodeURIComponent(linkArticle);

// ISBN links
					regExpStr = ' href=\\"' + wikEdServer + wikEdScriptPath + 'index\\.php\\?[^\\"]*?\\bisbn=(\\d+)(&amp;|\\")';
					regExp = new RegExp(regExpStr);
					regExpMatch = regExp.exec(linkPar);
					if (regExpMatch != null) {
						return('ISBN ' + regExpMatch[1]);
					}
				}
			}

// get wiki article name from url
			if (linkArticle == '') {
				regExpStr = ' href=\\"' + wikEdServer + wikEdArticlePath + '([^\\"]*)\\"';
				regExp = new RegExp(regExpStr);
				regExpMatch = regExp.exec(linkPar);
				if (regExpMatch != null) {
					linkArticle = regExpMatch[1];
					if (linkArticle != '') {
						linkArticle = linkArticle.replace(/_/g, ' ');
						linkArticle = decodeURIComponent(linkArticle);
					}
				}
			}

// format wiki link
			if (linkArticle != '') {

// check for wiki image
				regExpStr = '^<img\\b[^>]*?\\bwidth=\\"(\\d+)\\"[^>]*?>$';
				regExp = new RegExp(regExpStr);
				regExpMatch = regExp.exec(linkText);
				if (regExpMatch != null) {
					imgWidth = regExpMatch[1];
					imgWidth = '|' + imgWidth + 'px';
					if ( (linkTitle != '') && (linkTitle != 'Enlarge') ) {
						linkTitle = '|' + linkTitle;
						return('[[' + linkArticle + imgWidth + linkTitle + ']]');
					}
					else {
						return('[[' + linkArticle + imgWidth + ']]');
					}
				}

// ISBN link
				regExpStr = '^' + wikEdServer + wikEdScriptPath + 'index\\.php\\?.*?\\btitle=.*?&amp;isbn=(\d+)';
				regExp = new RegExp(regExpStr);
				regExpMatch = regExp.exec(linkAddr);
				if (regExpMatch != null) {
					return('ISBN ' + regExpMatch[1]);
				}

// category link
				regExpMatch = /^category:(.*)/i.exec(linkArticle);
				if (regExpMatch != null) {
					return('[[Category:' + regExpMatch[1].substr(0, 1).toUpperCase() + linkText.substr(1) + ']]');
				}

// wiki link
				if (linkArticle == linkText.substr(0, 1).toUpperCase() + linkText.substr(1)) {
					return('[[' + linkText + ']]');
				}

// date link (English only)
				regExpMatch = /^(January|February|March|April|May|June|July|August|September|October|November|December) (\d{1,2})$/.exec(linkArticle);
				if (regExpMatch != null) {
					var month = regExpMatch[1];
					var day = regExpMatch[2];
					if (linkText == (day + ' ' + month) ) {
						return('[[' + linkArticle + ']]');
					}
				}

// lowercase the article name if the first char of the link text can exist in lower/uppercase and is lowercase
				if ( linkText.substr(0, 1).toLowerCase() != linkText.substr(0, 1).toUpperCase() ) {
					if ( linkText.substr(0, 1) == linkText.substr(0, 1).toLowerCase() ) {
						linkArticle = linkArticle.substr(0, 1).toLowerCase() + linkArticle.substr(1);
					}
				}

// suffix links
				regExpStr = '^' + linkArticle.replace(/(\W)/, '\\$1') + '(\\w+)$';
				regExp = new RegExp(regExpStr);
				regExpMatch = regExp.exec(linkText);
				if (regExpMatch != null) {
					return('[[' + linkText + ']]' + regExpMatch[1]);
				}
				return('[[' + linkArticle + '|' + linkText + ']]');
			}

// external link
			regExpMatch = linkPar.match(/ href=\"([^\">]*)\"/);
			if (regExpMatch != null) {
				var linkAddr = regExpMatch[1];
				if (linkAddr != '') {

// PubMed link
					regExpMatch = /^http:\/\/www\.ncbi\.nlm\.nih\.gov\/entrez\/query\.fcgi\?cmd=Retrieve&amp;db=pubmed&amp;.*?&amp;list_uids=(\d+)/.exec(linkAddr);
					if (regExpMatch != null) {
						return('PMID ' + regExpMatch[1]);
					}

// DOI link
					regExpMatch = /^http:\/\/dx\.doi\.org\/(.*)/.exec(linkAddr);
					if (regExpMatch != null) {
						return('{{doi|' + regExpMatch[1] + '}}');
					}

// other external link
					return('[' + linkAddr + ' ' + linkText + ']');
				}
			}

// return unchanged text
			return(p1);
		}
	);

// clean up MediaWiki category list
	obj.html = obj.html.replace(/<span\b[^>]*>(\[\[Category:[^\]]+\]\])<\/span>[\s\|]*/gi, '$1\n');

// clean up DOI
	obj.html = obj.html.replace(/\[\[Digital object identifier\|DOI\]\]:(\{\{doi\|[^\}\s]+\}\})/gi, '$1');

// convert images
	obj.html = obj.html.replace(/<img\b([^>]*)>/g,
		function (p, p1) {

// get and format parameters
			var address = '';
			var regExpMatch = /\bsrc\s*=\s*(\'|\")([^\'\"]*)(\'|\")/i.exec(p1);
			if (regExpMatch != null) {
				address = regExpMatch[2].replace(/^ +| +$/g, '');
			}

			var imgAlt = '';
			regExpMatch = /\balt\s*=\s*(\'|\")([^\'\"]*)(\'|\")/i.exec(p1);
			if (regExpMatch != null) {
				imgAlt = regExpMatch[2].replace(/^ +| +$/g, '');
				imgAlt = imgAlt.replace(/&amp;nbsp;|\n/g, ' ');
				imgAlt = imgAlt.replace(/ {2,}/g, ' ');
				imgAlt = imgAlt.replace(/^ | $/g, '');
				if (imgAlt != '') {
					imgAlt = '|' + imgAlt;
				}
			}

			var imgWidth = '';
			regExpMatch = /\bwidth\s*=\s*(\'|\")([^\'\"]*)(\'|\")/i.exec(p1);
			if (regExpMatch != null) {
				imgWidth = '|' + regExpMatch[2].replace(/^ +| +$/g, '') + 'px';
			}

			var imgLink = '';
			regExpMatch = /([^\/]+)$/.exec(address);
			if (regExpMatch != null) {
				imgLink = regExpMatch[1];
				if (imgLink != '') {
					return('[[Image:' + imgLink + imgWidth + imgAlt + ']]');
				}
			}
			return('');
		}
	);

// convert lists: * # : ;
	var listObj = {};
	listObj.prefix = '';
	obj.html = obj.html.replace(/ *<(\/?(ol|ul|li|dl|dd|dt))\b[^>]*> */g,
		function (p, p1, p2, p3, p4) {
			switch (p1.toLowerCase()) {
				case 'ol':
					listObj.prefix += '#';
					return('\u0000');
				case 'ul':
					listObj.prefix += '*';
					return('\u0000');
				case 'dl':
					listObj.prefix += ':';
					return('\u0000');
				case '/ol':
				case '/ul':
				case '/dl':
					listObj.prefix = listObj.prefix.substr(0, listObj.prefix.length - 1);
					return('\u0000');
				case 'li':
				case 'dd':
					return('\u0000' + listObj.prefix + ' ');
				case 'dt':
					return('\u0000' + listObj.prefix.replace(/:$/, ';') + ' ');
				case '/li':
				case '/dt':
				case '/dd':
					return('');
			}
		}
	);
	obj.html = obj.html.replace(/\u0000+[#\*:\;]+ (?=\u0000)/g, '');
	obj.html = obj.html.replace(/\u0000+/g, '\n');

// <> remove not allowed tags
	obj.html = obj.html.replace(/(<\/?)(\/?)(\w+)(.*?>)/g,
		function (p, p1, p2, p3, p4) {
			if ( /^(big|blockquote|colgroup|center|code|del|div|font|ins|p|pre|s|small|span|strike|sub|sup|tt|u|rb|rp|rt|ruby|nowiki|math|gallery|noinclude|includeonly|ref|references)$/i.test(p3) ) {
				return(p1 + p2 + p3 + p4);
			}
			else {
				return('');
			}
		}
	);

// remove empty inline and block tag pairs
	obj.html = obj.html.replace(/<(big|colgroup|code|del|font|ins|pre|s|small|span|strike|sub|sup|tt|u|rb|rp|rt|ruby|nowiki)\b[^>]*><\/\1>/g, '');
	obj.html = obj.html.replace(/<(blockquote|center|div|math|gallery|noinclude|includeonly|ref|references)\b[^>]*><\/\1>/g, '\n');

// escape < >
	obj.html = obj.html.replace(/</g, '&lt;');
	obj.html = obj.html.replace(/>/g, '&gt;');

// newlines to <br />
	obj.html = obj.html.replace(/[ \t]+\n/g, '\n');
	obj.html = obj.html.replace(/\n{3,}/g, '\n\n');
	obj.html = obj.html.replace(/\n/g, '<br />');

	return;
}


//
// WikEdSanitizeAttributes: see Sanitizer.php
//

function WikEdSanitizeAttributes(tag, attributes) {

	var common = 'lang|dir|style|class'; // not needed: id|title
	var tablealign = '|align|char|charoff|valign';
	var tablecell = '|abbr|axis|headers|scope|rowspan|colspan|nowrap|width|height|bgcolor';
	tag = tag.toLowerCase();
	var sanitized = '';
	var regExp = /(\w+)\s*=\s*(\'|\")([^\'\"]*)(\'|\")/g;
	var regExpMatch;
	while (regExpMatch = regExp.exec(attributes)) {
		var attrib = regExpMatch[1];
		var attribValue = regExpMatch[3];
		if (attribValue == '') {
			continue;
		}
		var valid = false;
		if ('center|em|strong|cite|code|var|sub|supdl|dd|dt|tt|b|i|big|small|strike|s|u|rb|rp|ruby'.indexOf(tag) >= 0) {
			if (common.indexOf(attrib) >= 0) { valid = true; }
		}
		else if ('div|span|h1|h2|h3|h4|h5|h6|p'.indexOf(tag) >= 0) {
			if ((common + '|align').indexOf(attrib) >= 0) { valid = true; }
		}
		else if ('blockquote'.indexOf(tag) >= 0) {
			if ((common + '|cite').indexOf(attrib) >= 0) { valid = true; }
		}
		else if ('br'.indexOf(tag) >= 0) {
			if ('style|clear'.indexOf(attrib) >= 0) { valid = true; }
		}
		else if ('pre'.indexOf(tag) >= 0) {
			if ((common + '|width').indexOf(attrib) >= 0) { valid = true; }
		}
		else if ('ins|del'.indexOf(tag) >= 0) {
			if ((common + '|cite|datetime').indexOf(attrib) >= 0) { valid = true; }
		}
		else if ('ul'.indexOf(tag) >= 0) {
			if ((common + '|type').indexOf(attrib) >= 0) { valid = true; }
		}
		else if ('ol'.indexOf(tag) >= 0) {
			if ((common + '|type|start').indexOf(attrib) >= 0) { valid = true; }
		}
		else if ('li'.indexOf(tag) >= 0) {
			if ((common + '|type|value').indexOf(attrib) >= 0) { valid = true; }
		}
		else if ('table'.indexOf(tag) >= 0) {
			if ((common + '|summary|width|border|frame|rules|cellspacing|cellpadding|align|bgcolor|frame|rules|border').indexOf(attrib) >= 0) { valid = true; }
		}
		else if ('caption'.indexOf(tag) >= 0) {
			if ((common + '|align').indexOf(attrib) >= 0) { valid = true; }
		}
		else if ('thead|tfoot|tbody'.indexOf(tag) >= 0) {
			if ((common + tablealign).indexOf(attrib) >= 0) { valid = true; }
		}
		else if ('colgroup|col'.indexOf(tag) >= 0) {
			if ((common + '|span|width' + tablealign).indexOf(attrib) >= 0) { valid = true; }
		}
		else if ('tr'.indexOf(tag) >= 0) {
			if ((common + '|bgcolor' + tablealign).indexOf(attrib) >= 0) { valid = true; }
		}
		else if ('td|th'.indexOf(tag) >= 0) {
			if ((common + tablecell + tablealign).indexOf(attrib) >= 0) { valid = true; }
		}
		else if ('font'.indexOf(tag) >= 0) {
			if ((common + '|size|color|face').indexOf(attrib) >= 0) { valid = true; }
		}
		else if ('hr'.indexOf(tag) >= 0) {
			if ((common + '|noshade|size|width').indexOf(attrib) >= 0) { valid = true; }
		}
		else if ('rt'.indexOf(tag) >= 0) {
			if ((common + '|rbspan').indexOf(attrib) >= 0) { valid = true; }
		}
		else if ('ref'.indexOf(tag) >= 0) {
			if (('name').indexOf(attrib) >= 0) { valid = true; }
		}
		else if ('references'.indexOf(tag) >= 0) {
		}
		if (valid == true) {

// remove non-standard styles and clean up
			if (attrib == 'style') {
				attribValue = attribValue.replace(/(^| )(-moz-[\w\-]+): [\w\-]+; */g, '$1');
				attribValue = attribValue.replace(/(^| )([\w\-]+): (-moz-[\w\-]+|windowtext); */g, '$1');
				attribValue = attribValue.replace(/\b0(%|in|cm|mm|em|ex|pt|pc|px)\b/g, '0');
				attribValue = attribValue.replace(/[\w\-]+ *\: *\; */g, '');
				attribValue = attribValue.replace(/ *(;|:) */g, '$1 ');
				attribValue = attribValue.replace(/( |;)+$/g, ';');
			}
			sanitized += ' ' + attrib + '="' + attribValue + '"';
		}
	}
	return(sanitized);
}


//
//
// WikEdRemoveHighlighting: remove syntax highlighting in obj.plain; sets obj.htmlCode if text contains html code
//

function WikEdRemoveHighlighting(obj) {

// remove highlighting and atttribute-free span tags
	var isRemove = [];
	obj.html = obj.html.replace(/(<(\/?)span\b([^>]*)>)/g,
		function (p, p1, p2, p3) {
			if (p2 == '') {
				if (/\bclass=\"wikEd\w+\"/.test(p3)) {
					isRemove.push(true);
					return('');
				}
				isRemove.push(false);
				return(p1);
			}
			if (isRemove.pop() == true) {
				return('');
			}
			return(p1);
		}
	);

// remove highlighting div tags
	var isRemove = [];
	obj.html = obj.html.replace(/(<(\/?)div\b([^>]*)>)/g,
		function (p, p1, p2, p3) {
			if (p2 == '') {
				if (/\bclass=\"wikEd\w+\"/.test(p3)) {
					isRemove.push(true);
					return('');
				}
				isRemove.push(false);
				return(p1);
			}
			if (isRemove.pop() == true) {
				return('');
			}
			return(p1);
		}
	);

// remove highlighting and pre tags
	var isRemove = [];
	obj.html = obj.html.replace(/(<(\/?)pre\b([^>]*)>)/g,
		function (p, p1, p2, p3) {
			if (p2 == '') {
				if (/\bclass=\"wikEd\w+\"/.test(p3)) {
					isRemove.push(true);
					return('');
				}
				isRemove.push(false);
				return(p1);
			}
			if (isRemove.pop() == true) {
				return('');
			}
			return(p1);
		}
	);

// comments
	obj.html = obj.html.replace(/<!--wikEd\w+-->/g, '');
	obj.html = obj.html.replace(/\n|\r/g, '');

// check for pasted html content
	if (obj.html.match(/<(?!br\b)/)) {
		obj.htmlCode = true;
	}
	else {
		obj.htmlCode = false;
	}

	return;
}
//
//
// WikEdHighlightSyntax: highlight syntax in obj.html; if singleLine is set, no block syntax will be highlighted; call WikEdRemoveHighlighting first
//   expects < > &lt; &gt; &amp;  spaces instead of &nbsp;  \n instead of <br />

function WikEdHighlightSyntax(obj, singleLine) {

// block elements

// various blocks
	if (singleLine != true) {
		obj.html = obj.html.replace(/(&lt;(blockquote|center|div|pre)\b.*?&gt;)/gi, '<span class="wikEdBlock">$1');
		obj.html = obj.html.replace(/(&lt;\/(blockquote|center|div|pre)\b.*?&gt;)/gi, '$1</span><!--wikEdBlock-->');
	}

// lists * # : ;
	obj.html = obj.html.replace(/^([\*\#\:\;]+)(.*?)$/gm, '<span class="wikEdListLine"><span class="wikEdListTag">$1</span><!--wikEdListTag-->$2</span><!--wikEdListLine-->');
	if (singleLine != true) {
		obj.html = obj.html.replace(/((<span class=\"wikEdListLine\">[^\n]*\n)+)/g, '<span class="wikEdListBlock">$1');
		obj.html = obj.html.replace(/(<span class=\"wikEdListLine\">[^\n]*)(\n)(?!<span class=\"wikEdListLine\">)/g, '$1</span><!--wikEdListBlock-->$2');
	}

// #redirect (finish)
	obj.html = obj.html.replace(/(<span class=\"wikEdWikiRedir\">)(.*?<\/span><!--wikEdWikiRedir-->)/g, '$1#$2');

// space-pre
	if (singleLine != true) {
		obj.html = obj.html.replace(/^ ( *)(.*?)$/gm, '<span class="wikEdSpaceLine"><span class="wikEdSpaceTag">&nbsp;$1</span><!--wikEdSpaceTag-->$2</span><!--wikEdSpaceLine-->');
		obj.html = obj.html.replace(/((<span class=\"wikEdSpaceLine\">[^\n]*\n)+)/g, '<span class="wikEdSpaceBlock">$1');
		obj.html = obj.html.replace(/(<span class=\"wikEdSpaceLine\">[^\n]*)(\n)(?!<span class="wikEdSpaceLine">)/g, '$1</span><!--wikEdSpaceBlock-->$2');
	}

// ---- <hr> horizontal rule
	obj.html = obj.html.replace(/(^|\n|<[^>]*>)(----)(\n|<[^>]*>|$)/g, '$1<span class="wikEdHR">$2</span><!--wikEdHR-->$3');
	obj.html = obj.html.replace(/(&lt;hr&gt;)/g, '<span class="wikEdHRInline">$1</span><!--wikEdHRInline-->');

// == headings
	obj.html = obj.html.replace(/(^|\n|<[^>]*>)(=+ *)([^\n]*?)( *=+ *)(\n|<[^>]*>|$)/g,
		function (p, p1, p2, p3, p4, p5) {
			p2 = p2.replace(/(=+)/g, '<span class="wikEdWiki">$1</span><!--wikEdWiki-->');
			p4 = p4.replace(/(=+)/g, '<span class="wikEdWiki">$1</span><!--wikEdWiki-->');
			if ( /^(external links?|see also|references?)$/i.test(p3) ) {
				p1 = p1 + '<span class="wikEdHeadingWp">';
				p5 = '</span><!--wikEdHeadingWp-->' + p5;
			}
			else {
				p1 = p1 + '<span class="wikEdHeading">';
				p5 = '</span><!--wikEdHeading-->' + p5;
			}
			return(p1 + p2 + p3 + p4 + p5);
		}
	);

// tables                         {|   |+   |-   !  |}   |
	obj.html = obj.html.replace(/^(\{\||\|\+|\|\-|\!|\|\}|\|)(.*?)$/gm, '<span class="wikEdTableLine"><span class="wikEdTableTag">$1</span><!--wikEdTableTag-->$2</span><!--wikEdTableLine-->');
	if (singleLine != true) {
		obj.html = obj.html.replace(/(^|\n)((<[^>]*>)*\{\|)/g, '$1<span class="wikEdTableBlock">$2');
		obj.html = obj.html.replace(/(^|\n)((<[^>]*>)*\|\}(<[^>]*>)*)/g, '$1$2</span><!--wikEdTableBlock-->');
		obj.html = obj.html.replace(/(&lt;table\b.*?&gt;)/gi, '<span class="wikEdTableBlock">$1');
		obj.html = obj.html.replace(/(&lt;\/table\b.*?&gt;)/gi, '$1</span><!--wikEdTableBlock-->');
	}

// <gallery> wiki markup
	if (singleLine != true) {
		obj.html = obj.html.replace(/(&lt;(gallery)\b.*?&gt;)/gi, '$1<span class="wikEdWiki">$1');
		obj.html = obj.html.replace(/(&lt;\/(gallery)\b.*?&gt;)/gi, '$1</span><!--wikEdWiki-->');
	}

// various block tags
	obj.html = obj.html.replace(/(&lt;\/?(blockquote|center|div|pre)\b.*?&gt;)/gi, '<span class="wikEdBlockTag">$1</span><!--wikEdBlockTag-->');

// <p> ... </p> pairs with (wikEdBlockTag) and withhout attributes (wikEdUnknown)
	var isRemove = [];
	obj.html = obj.html.replace(/(&lt;(\/?)p\b(.*?)&gt;)/g,
		function (p, p1, p2, p3) {
			if (p2 == '') {
				if (p3 == '') {
					isRemove.push(true);
					return('<span class="wikEdUnknown">' + p1 + '</span><!--wikEdUnknown-->');
				}
				if (/\/$/.test(p3)) {
					return('<span class="wikEdUnknown">' + p1 + '</span><!--wikEdUnknown-->');
				}
				isRemove.push(false);
				return('<span class="wikEdBlockTag">' + p1 + '</span><!--wikEdBlockTag-->');
			}
			if (isRemove.pop() == true) {
				return('<span class="wikEdUnknown">' + p1 + '</span><!--wikEdUnknown-->');
			}
			return('<span class="wikEdBlockTag">' + p1 + '</span><!--wikEdBlockTag-->');
		}
	);

// inline elements

// <sup> </sub> <ins> <del>
	obj.html = obj.html.replace(/((&lt;)sup\b.*?(&gt;)(.*?)(&lt;)\/sup\b.*?(&gt;))/gi, '<span class="wikEdSuperscript">$1</span><!--wikEdSuperscript-->');
	obj.html = obj.html.replace(/((&lt;)sub\b.*?(&gt;)(.*?)(&lt;)\/sub\b.*?(&gt;))/gi, '<span class="wikEdSubscript">$1</span><!--wikEdSubscript-->');
	obj.html = obj.html.replace(/((&lt;)(ins|u)\b.*?(&gt;)(.*?)(&lt;)\/(ins|u)\b.*?(&gt;))/gi, '<span class="wikEdIns">$1</span><!--wikEdIns-->');
	obj.html = obj.html.replace(/((&lt;)(del|s|strike)\b.*?(&gt;)(.*?)(&lt;)\/(del|s|strike)\b.*?(&gt;))/gi, '<span class="wikEdDel">$1</span><!--wikEdDel-->');

// various inline tags
	obj.html = obj.html.replace(/(&lt;\/?(sub|sup|ins|u|del|s|strike|big|br|colgroup|code|font|small|span|tt|rb|rp|rt|ruby)\b.*?&gt;)/gi, '<span class="wikEdInlineTag">$1</span><!--wikEdInlineTag-->');

// unsupported or not needed <> tags
	obj.html = obj.html.replace(/(&lt;\/?)(\w+)(.*?\/?&gt;)/g,
		function (p, p1, p2, p3) {
			if ( ! /^(col|thead|tfoot|tbody|big|br|blockquote|colgroup|center|code|del|div|font|ins|p|pre|s|small|span|strike|sub|sup|tt|u|rb|rp|rt|ruby|nowiki|math|gallery|noinclude|includeonly|ref|references)$/i.test(p2) ) {
				p1 = '<span class="wikEdUnknown">' + p1;
				p3 = p3 + '</span><!--wikEdUnknown-->';
			}
			return(p1 + p2 + p3);
		}
	);

// comments
	obj.html = obj.html.replace(/(&lt;!--[^]*?--&gt;)/g, '<span class="wikEdComment">$1</span><!--wikEdComment-->');

// <nowiki> <math> <noinclude> <includeonly> <ref> <references> wiki markup
	obj.html = obj.html.replace(/((&lt;)(nowiki|math|gallery|noinclude|includeonly|ref|references)\b.*?(&gt;)(.*?)(&lt;)\/(nowiki|math|gallery|noinclude|includeonly|ref|references)\b.*?(&gt;))/gi, '<span class="wikEdWiki">$1</span><!--wikEdWiki-->');

// URLs, allowed chars: \w / . & ? = - @ # % ~ + (; allowed because of &amp; and common misuse)
	obj.html = obj.html.replace(/((http:\/\/|https:\/\/|ftp:\/\/|irc:\/\/|gopher:\/\/|news:|mailto:)[^\u0000-\u0020\!\"\$\'\(\)\*\,\:\<\>\[\\\]\^\`\{-\|\}\u007f-\uffff]*)/gi,
		function (p, p1, p2) {
			p1 = p1.replace(/(.*)/, '<span class="wikEdURLLink">$1</span><!--wikEdURLLink-->');
			return(p1);
		}
	);

// URLs with text
	obj.html = obj.html.replace(/(\[)( *<span class=\"wikEdURLLink\">.*?<\!--wikEdURLLink--> *)([^\]\n]*?)( *\])/gi,
		function (p, p1, p2, p3, p4) {

// link text
			p3 = p3.replace(/(.*)/, '<span class="wikEdURLText">$1</span><!--wikEdURLText-->');

// link tags
			p1 = p1.replace(/(\[)/, '<span class="wikEdLinkTag">$1</span><!--wikEdLinkTag-->');
			p4 = p4.replace(/(\])/, '<span class="wikEdLinkTag">$1</span><!--wikEdLinkTag-->');

			return(p1 + p2 + p3 + p4);
		}
	);

// [[ ]] links, images, categories
	obj.html = obj.html.replace(/(\[\[)([^\]]*)(\]\])/g,
		function (p, p1, p2, p3) {

// image
			if ( /^\s*image\s*:/i.test(p2) ) {
				if (p2.match(/\s*\w+\s*:\s*image\s*:/i)) {
					p1 = '<span class="wikEdImageInter">' + p1;
					p3 = p3 + '</span><!--wikEdImageInter-->';
				}
				else {
					p1 = '<span class="wikEdImage">' + p1;
					p3 = p3 + '</span><!--wikEdImage-->';
				}
				p2 = p2.replace(/^(\s*)(.*:)+/, '$1<span class="wikEdInter">$2</span><!--wikEdInter-->');
				p2 = p2.replace(/(\s*)([^>:\|]+)(\s*\|\s*|$)/, '$1<span class="wikEdImageName">$2</span><!--wikEdImageName-->$3');
				p2 = p2.replace(/(\|\s*)(.*)/,
					function (p, p1, p2) {
						p2 = p2.replace(/(.*?)(\s*(\||$))/g, '<span class="wikEdImageText">$1</span><!--wikEdImageText-->$2');
						return(p1 + p2);
					}
				);
			}

// category
			else if ( /^\s*category\s*:/i.test(p2) ) {
				if (p2.match(/\s*\w+\s*:\s*category\s*:/i)) {
					p1 = '<span class="wikEdCatInter">' + p1;
					p3 = p3 + '</span><!--wikEdCatInter-->';
				}
				else {
					p1 = '<span class="wikEdCat">' + p1;
					p3 = p3 + '</span><!--wikEdCat-->';
				}
				p2 = p2.replace(/^(\s*)(.*:)+/, '$1<span class="wikEdInter">$2</span><!--wikEdInter-->');
				p2 = p2.replace(/(\s*)([^>:\|]+)(\s*\|\s*|$)/, '$1<span class="wikEdCatName">$2</span><!--wikEdCatName-->$3');
				p2 = p2.replace(/(\|\s*)(.*)/,
					function (p, p1, p2) {
						p2 = p2.replace(/(.*?)(\s*(\||$))/g, '<span class="wikEdCatText">$1</span><!--wikEdCatText-->$2');
						return(p1 + p2);
					}
				);
			}

// wikilink
			else {
				if (p2.match(/^\s*\w+\s*:/)) {
					p1 = '<span class="wikEdLinkInter">' + p1;
					p3 = p3 + '</span><!--wikEdLinkInter-->';
				}
				else {
					p1 = '<span class="wikEdLink">' + p1;
					p3 = p3 + '</span><!--wikEdLink-->';
				}
				p2 = p2.replace(/^(\s*)(.*:)+/, '$1<span class="wikEdInter">$2</span><!--wikEdInter-->');
				p2 = p2.replace(/(\s*)([^>:\|]+)(\s*\|\s*|$)/, '$1<span class="wikEdLinkName">$2</span><!--wikEdLinkName-->$3');
				p2 = p2.replace(/(\|\s*)(.*)/,
					function (p, p1, p2) {
						p2 = p2.replace(/(.*?)(\s*(\||$))/g, '<span class="wikEdLinkText">$1</span><!--wikEdLinkText-->$2');
						return(p1 + p2);
					}
				);
			}

// link tags
			p1 = p1.replace(/(\[+)/, '<span class="wikEdLinkTag">$1</span><!--wikEdLinkTag-->');
			p2 = p2.replace(/(\|)/gi, '<span class="wikEdLinkTag">$1</span><!--wikEdLinkTag-->');
			p3 = p3.replace(/(\]+)/, '<span class="wikEdLinkTag">$1</span><!--wikEdLinkTag-->');
			return(p1 + p2 + p3);
		}
	);

// {{ }}, {{{ }}} templates
	obj.html = obj.html.replace(/(\{\{+)([^\}]*)(\}\}+)/g,
		function (p, p1, p2, p3) {
			if (p2.match(/^\s*\w+\s*:/)) {
				p1 = '<span class="wikEdTemplInter">' + p1;
				p3 = p3 + '</span><!--wikEdTemplInter-->';
			}
			else {
				p1 = '<span class="wikEdTempl">' + p1;
				p3 = p3 + '</span><!--wikEdTempl-->';
			}
			p2 = p2.replace(/^(\s*)(.*:)+/, '$1<span class="wikEdInter">$2</span><!--wikEdInter-->');
			p2 = p2.replace(/(\s*)([^>:\|]+)(\s*\|\s*|$)/, '$1<span class="wikEdTemplName">$2</span><!--wikEdTemplName-->$3');
			p2 = p2.replace(/(\|\s*)(.*)/,
				function (p, p1, p2) {
					p2 = p2.replace(/(.*?)(\s*(\||$))/g, '<span class="wikEdTemplText">$1</span><!--wikEdTemplText-->$2');
					return(p1 + p2);
				}
			);

// template tags
			p1 = p1.replace(/(\{+)/, '<span class="wikEdLinkTag">$1</span><!--wikEdLinkTag-->');
			p2 = p2.replace(/(\|)/g, '<span class="wikEdLinkTag">$1</span><!--wikEdLinkTag-->');
			p3 = p3.replace(/(\}+)/, '<span class="wikEdLinkTag">$1</span><!--wikEdLinkTag-->');
			return(p1 + p2 + p3);
		}
	);

// #redirect
	obj.html = obj.html.replace(/(^|\n)(#)(redirect\b)/g, '$1<span class="wikEdWikiRedir">$3</span><!--wikEdWikiRedir-->');


/////////// blocks original place

// <b> <i>
	obj.html = obj.html.replace(/(\'\'\')(\'*)(.*?)(\'*)(\'\'\')/g, '<span class="wikEdBold">$2$3$4</span><!--wikEdBold-->');
	obj.html = obj.html.replace(/(\'\')(.*?)(\'\')/g, '<span class="wikEdItalic">$1$2$3</span><!--wikEdItalic-->');
	obj.html = obj.html.replace(/(<span class=\"wikEdBold\">)/g, '$1\'\'\'');
	obj.html = obj.html.replace(/(<\/span><!--wikEdBold-->)/g, '\'\'\'$1');
	obj.html = obj.html.replace(/(\'{2,})/g, '<span class="wikEdWiki">$1</span><!--wikEdWiki-->');

// named colors
	obj.html = obj.html.replace(/(\b(red|orange|yellow|fuchsia|white|lime|aqua|silver)\b)/g, '<span style="background-color: $1;" class="wikEdColors">$1</span><!--wikEdColors-->');
	obj.html = obj.html.replace(/(\b(maroon|olive|purple|green|navy|teal|blue|black|gray)\b)/g, '<span style="color: white; background-color: $1;" class="wikEdColors">$1</span><!--wikEdColors-->');

// RGB colors
	obj.html = obj.html.replace(/(#[0-9a-fA-F]{6})([\s\'\";])/g, '<span style="background-color: $1;" class="wikEdColors">$1</span><!--wikEdColors-->$2');
	obj.html = obj.html.replace(/(rgb\(\s*\d+,\s*\d+,\s*\d+\s*\))/gi, '<span style="background-color: $1;" class="wikEdColors">$1</span><!--wikEdColors-->');

// display control chars with popup title
	var regExpStr = '';
	for (var decimalValue in wikEdControlChars) {
		regExpStr += String.fromCharCode(decimalValue);
	}
	var regExp = new RegExp('([' + regExpStr + '])', 'g');
	obj.html = obj.html.replace(regExp,
		function (p, p1) {
			if (p1 == '\u0009') {
				p1 = '<pre class="wikEdTab" title="' + wikEdControlChars[p1.charCodeAt(0).toString()] + '">' + p1 + '</pre><!--wikEdTab-->';
			}
			else if (p1 != '\u000a') {
				p1 = '<pre class="wikEdCtrl" title="' + wikEdControlChars[p1.charCodeAt(0).toString()] + '">' + p1 + '</pre><!--wikEdCtrl-->';
			}
			return(p1);
		}
	);

// display strange spaces with popup title
	var regExpStr = '';
	for (var decimalValue in wikEdStrangeSpaces) {
		regExpStr += String.fromCharCode(decimalValue);
	}
	var regExp = new RegExp('([' + regExpStr + '])', 'g');
	obj.html = obj.html.replace(regExp,
		function (p, p1) {
			if (p1 != '\u000a') {
				p1 = '<pre class="wikEdBlank" title="' + wikEdStrangeSpaces[p1.charCodeAt(0).toString()] + '">' + p1 + '</pre><!--wikEdBlank-->';
			}
			return(p1);
		}
	);

// remove comments
	if (wikEdRemoveHighlightComments == true) {
		obj.html = obj.html.replace(/<!--wikEd\w+-->/g, '');
	}

	return;
}



//
// WikEdUpdateTextarea: copy frame content to textarea
//

function WikEdUpdateTextarea() {

// get frame content
	var obj = {};
	obj.html = wikEdFrameBody.innerHTML;

// textify so that no html formatting is submitted
	WikEdTextify(obj);
	obj.plain = obj.plain.replace(/&nbsp;/g, ' ');
	obj.plain = obj.plain.replace(/&lt;/g, '<');
	obj.plain = obj.plain.replace(/&gt;/g, '>');
	obj.plain = obj.plain.replace(/&amp;/g, '&');

// copy to textarea
	wikEdTextareaObj.value = obj.plain;

	return;
}


//
// WikEdUpdateFrame: copy textarea content to frame
//

function WikEdUpdateFrame() {

// get frame content
	var obj = {};
	obj.html = wikEdTextareaObj.value;
	obj.html = obj.html.replace(/&/g, '&amp;');
	obj.html = obj.html.replace(/>/g, '&gt;');
	obj.html = obj.html.replace(/</g, '&lt;');

// highlight the syntax
	if (wikEdHighlightSyntax == true) {
		WikEdHighlightSyntax(obj);
	}

// display tabs
	else {
		obj.html = obj.html.replace(/(\t)/g, '<pre class="wikEdTabPlain">$1</pre><!--wikEdTabPlain-->');
	}

// multiple blanks to blank-&nbsp;
	obj.html = obj.html.replace(/  /g, '&nbsp; ');
	obj.html = obj.html.replace(/  /g, '&nbsp; ');

// newlines to <br />
	obj.html = obj.html.replace(/\n/g, '<br />');

// set frame content
	wikEdFrameBody.innerHTML = obj.html;

	return;
}


//
// WikEdKeyFrame: event handler for key and mouse events in the frame
//

function WikEdKeyFrame(event) {

// grey out inactive buttons
	WikEdInactiveButtons();

// reset the frame DOM cache
	wikEdFrameDOMCache = null;

	return;
}


//
// WikEdFrameExecCommand: wrapper for execCommand method
//

function WikEdFrameExecCommand(command, option) {

	wikEdFrameDocument.execCommand(command, false, option);
	return;
}


//
// WikEdFindAhead: non-regexp and case-insensitive find-as-you-type, event handler for find field
//

function WikEdFindAhead() {

	if (document.getElementById('wikEdFindAhead').checked == true) {

// get the find text
		var findText = document.getElementById('wikEdFindText').value;
		if (findText == '') {
			return;
		}

// function: window.find(string, caseSensitive, backwards, wrapAround, wholeWord, searchInFrames, showDialog)
		var found = wikEdFrameWindow.find(findText, false, false, true, false, false, false);
		if (found == false) {
 			var sel = wikEdFrameWindow.getSelection();
			sel.collapse(sel.anchorNode, sel.anchorOffset);
		}
	}
	return;
}


//
// WikEdFullScreen: change to fullscreen edit area
//

function WikEdFullScreen() {

// get dom nodes
	var inputWrapper = document.getElementById('wikEdInputWrapper');
	var frame = document.getElementById('wikEdFrame');
	var frameWrapper = document.getElementById('WikEdFrameWrapper');
	var buttonsWrapper = document.getElementById('wikEdButtonsWrapper');
	var buttonsPreview = document.getElementById('wikEdButtonsPreview');
// hide divs to remove the vertical scrollbar
	wikEdTextareaObj.style.display = 'none';

// hide all divs above
	var node = document.getElementById('editform').previousSibling;
	while (node != null) {
		if (node.nodeName == 'DIV') {
			node.style.display = 'none';
		}
		node = node.previousSibling;
	}

// hide all divs below
	var node = inputWrapper.parentNode.nextSibling;
	while (node != null) {
		if (node.nodeName == 'DIV') {
			node.style.display = 'none';
		}
		node = node.nextSibling;
	}

// hide all divs below, one level above
	var node = document.getElementById('column-content').nextSibling;
	while (node != null) {
		if (node.nodeName == 'DIV') {
			node.style.display = 'none';
		}
		node = node.nextSibling;
	}

// style the input wrapper
	inputWrapper.className = 'wikEdInputWrapperFull';
	buttonsPreview.className = 'wikEdButtonsPreviewFull';

// resize the frame
	var buttonsTop = WikEdGetOffsetTop(buttonsWrapper);
	var buttonsHeight = buttonsWrapper.offsetHeight;
	var frameHeight = frame.offsetHeight;
	var windowHeight = window.innerHeight;
	var windowWidth = window.innerWidth;
	var frameHeightNew =  frameHeight + (windowHeight - (buttonsTop + buttonsHeight) ) - 2;
	frame.style.height = frameHeightNew + 'px';

// set the fullscreen button state
	WikEdButton('wikEdFullScreen', null, true);

// grey out scroll-to buttons
	document.getElementById('wikEdScrollToInput').className = 'wikEdButtonInactive';
	document.getElementById('wikEdScrollToInput2').className = 'wikEdButtonInactive';
	document.getElementById('wikEdScrollToButtons').className = 'wikEdButtonInactive';
	document.getElementById('wikEdScrollToButtons2').className = 'wikEdButtonInactive';

	wikEdFullScreenMode = true;

	return;
}


//
// WikEdNormalScreen: change back to normal page view
//

function WikEdNormalScreen() {

// get dom nodes
	var inputWrapper = document.getElementById('wikEdInputWrapper');
	var frame = document.getElementById('wikEdFrame');
	var buttonsPreview = document.getElementById('wikEdButtonsPreview');

// show hidden divs
	wikEdTextareaObj.style.display = 'block';

// show all divs above
	var node = document.getElementById('editform').previousSibling;
	while (node != null) {
		if (node.nodeName == 'DIV') {
			node.style.display = 'block';
		}
		node = node.previousSibling;
	}

// show all divs below
	var node = inputWrapper.parentNode.nextSibling;
	while (node != null) {
		if (node.nodeName == 'DIV') {
			node.style.display = 'block';
		}
		node = node.nextSibling;
	}

// show all divs below, one level above
	var node = document.getElementById('column-content').nextSibling;
	while (node != null) {
		if (node.nodeName == 'DIV') {
			node.style.display = 'block';
		}
		node = node.nextSibling;
	}

// reset the input wrapper style
	inputWrapper.className = 'wikEdInputWrapper';
	buttonsPreview.className = 'wikEdButtonsPreview';

// resize the frame
	frame.style.height = wikEdTextareaObj.offsetHeight + 'px';

// scroll to edit frame
	window.scroll(0, WikEdGetOffsetTop(inputWrapper) - 2);

// set the fullscreen button state
	WikEdButton('wikEdFullScreen', null, false);

// activate scroll-to buttons
	document.getElementById('wikEdScrollToInput').className = 'wikEdButton';
	document.getElementById('wikEdScrollToInput2').className = 'wikEdButton';
	document.getElementById('wikEdScrollToButtons').className = 'wikEdButton';
	document.getElementById('wikEdScrollToButtons2').className = 'wikEdButton';

	wikEdFullScreenMode = false;

	return;
}


//
// WikEdResizeComboInput: set the size of the background select boxes so that the button is visible
//

function WikEdResizeComboInput(field) {

// add a dummy option
	var dummy;
	if (wikEdSelectElement[field].options.length == 0) {
		wikEdSelectElement[field].options[0] = new Option('');
		dummy = true;
	}

// set option widths to 0
	for (i = 0; i < wikEdSelectElement[field].options.length; i ++) {
		wikEdSelectElement[field].options[i].style.width = '0';
	}

// calculate select width
	var inputWidth = wikEdInputElement[field].clientWidth;
	var selectWidth = wikEdSelectElement[field].clientWidth;
	var optionWidth = wikEdSelectElement[field].options[0].offsetWidth;
	var border = wikEdInputElement[field].offsetWidth - wikEdInputElement[field].clientWidth;
	wikEdSelectElement[field].style.width = (selectWidth - optionWidth + inputWidth - border) + 'px';

// delete dummy option
	if (dummy) {
		wikEdSelectElement[field].options[0] = null;
	}

// set option widths to auto
	for (i = 0; i < wikEdSelectElement[field].options.length; i ++) {
		wikEdSelectElement[field].options[i].style.width = 'auto';
	}
	return;
}


//
// WikEdChangeComboInput: set the input value to selected option; onchange event handler for select boxes
//

function WikEdChangeComboInput(field) {

// get selection index (-1 for unselected)
	var selected = wikEdSelectElement[field].selectedIndex;
	if (selected >= 0) {

// get selected option
		var option = wikEdSelectElement[field].options[selected];
		if (option.text != '') {

// add a tag to the summary box
			if (field == 'summary') {
				var text = wikEdInputElement[field].value;
				if ( (text != '') && (!text.match(/ \*\/ $/) ) ) {
					if (option.text.match(/^\w/)) {
						text += ', ';
					}
					else {
						text += ' ';
					}
				}
				text += option.text;
				wikEdInputElement[field].value = text;
			}

// add case and regexp checkboxes to find / replace fields
			else if (option.value == 'setcheck') {
				WikEdButton('wikEdCaseSensitive', null, (option.text.charAt(0) == wikEdCheckMarker[true]) );
				WikEdButton('wikEdRegExp',        null, (option.text.charAt(1) == wikEdCheckMarker[true]) );
				wikEdInputElement[field].value = option.text.substr(3);
			}

// add option text
			else {
				wikEdInputElement[field].value = option.text;
			}
		}
	}
	return;
}


//
// WikEdAddToHistory: add an input value to the cookie history
//

function WikEdAddToHistory(field) {

	if (wikEdInputElement[field].value != '') {

// load history from cookie
		WikEdLoadHistoryFromCookie(field);

// add current value to history
		wikEdFieldHist[field].unshift(wikEdInputElement[field].value);

// add case and regexp checkboxes to find / replace value
		if ( (field == 'find') || (field == 'replace') ) {
			wikEdFieldHist[field][0] =
				wikEdCheckMarker[ document.getElementById('wikEdCaseSensitive').checked ] +
				wikEdCheckMarker[ document.getElementById('wikEdRegExp').checked ] +
				' ' + wikEdFieldHist[field][0];
		}

// remove multiple old copies from history
		i = 1;
		while (i < wikEdFieldHist[field].length) {
			if (wikEdFieldHist[field][i] == wikEdFieldHist[field][0]) {
				wikEdFieldHist[field].splice(i, 1);
			}
			else {
				i ++;
			}
		}

// remove new value if it is a preset value
		if (wikEdComboPresetOptions[field] != null) {
			i = 0;
			while (i < wikEdComboPresetOptions[field].length) {
				if (wikEdComboPresetOptions[field][i] == wikEdFieldHist[field][0]) {
					wikEdFieldHist[field].shift;
					break;
				}
				else {
					i ++;
				}
			}
		}

// cut history to maximal history length
		wikEdFieldHist[field] = wikEdFieldHist[field].slice(0, wikEdFindHistoryLength);

// saved history to cookie
		WikEdSaveHistoryToCookie(field);
	}
	return;
}


//
// WikEdSetComboOptions: generate the select options from cookie history; onfocus handler for select box
//

function WikEdSetComboOptions(field) {

// load history from cookie
	WikEdLoadHistoryFromCookie(field);

	var option = {};
	var selected = null;
	j = 0;

// delete options
	var options = wikEdSelectElement[field].options;
	for (i = 0; i > options.length; i ++) {
		wikEdSelectElement[field].remove(i);
	}

// delete optgroup
	option = document.getElementById(field + 'Optgroup');
	if (option != null) {
		wikEdSelectElement[field].removeChild(option);
	}

// workaround for onchange not firing when selecting first option from unselected dropdown
	option = document.createElement('option');
	option.style.display = 'none';
	wikEdSelectElement[field].options[j++] = option;

// add history entries
	for (i = 0; i < wikEdFieldHist[field].length; i ++) {
		if (wikEdFieldHist[field][i] != null) {
			if (wikEdFieldHist[field][i] == wikEdInputElement[field].value) {
				selected = j;
			}
			option = document.createElement('option');
			option.text = wikEdFieldHist[field][i];
			if ( (field == 'find') || (field == 'replace') ) {
				option.value = 'setcheck';
			}
			wikEdSelectElement[field].options[j++] = option;
		}
	}

// add preset entries
	if (wikEdComboPresetOptions[field] != null) {
		var startPreset = j;
		for (i = 0; i < wikEdComboPresetOptions[field].length; i ++) {
			if (wikEdComboPresetOptions[field][i] != null) {
				if (wikEdComboPresetOptions[field][i] == wikEdInputElement[field].value) {
					selected = j;
				}
				option = document.createElement('option');
				option.text = wikEdComboPresetOptions[field][i];
				if (field == 'summary') {
					option.text = option.text.replace(/\{wikEdUsing\}/g, wikEdSummaryUsing);
				}
				wikEdSelectElement[field].options[j++] = option;
			}
		}

// add a blank separator
		if (startPreset > 1) {
			option = document.createElement('optgroup');
			option.label = '\u00a0';
			option.id = field + 'Optgroup';
			wikEdSelectElement[field].insertBefore(option, wikEdSelectElement[field].options[startPreset]);
		}
	}

// set the selection
	wikEdSelectElement[field].selectedIndex = selected;
	return;
}


//
// WikEdClearHistory: clear the history of combo input fields
//

function WikEdClearHistory(field) {
	var cookieExpire = new Date();
	cookieExpire.setTime( cookieExpire.getTime() + wikEdCookieExpireSec * 1000 );
	WikEdSetCookie(wikEdCookieName[field], '', cookieExpire.toGMTString());
	WikEdSetComboOptions(field);
	return;
}


//
// WikEdLoadHistoryFromCookie: get the input box history from the respective cookie
//

function WikEdLoadHistoryFromCookie(field) {
	var cookie = WikEdGetCookie(wikEdCookieName[field]);
	if (cookie != '') {
		cookie = decodeURIComponent(cookie);
		wikEdFieldHist[field] = cookie.split('\n');
	}
	else {
		wikEdFieldHist[field] = [];
	}
	return;
}


//
// WikEdSaveHistoryToCookie: save the input box history to the respective cookie
//

function WikEdSaveHistoryToCookie(field) {
	var cookieExpire = new Date();
	cookieExpire.setTime( cookieExpire.getTime() + wikEdCookieExpireSec * 1000 );
	var cookie = '';
	cookie = wikEdFieldHist[field].join('\n')
	cookie = cookie.replace(/\n$/, '');
	cookie = encodeURIComponent(cookie);
	WikEdSetCookie(wikEdCookieName[field], cookie, cookieExpire.toGMTString());
	return;
}


// WikEdGetStyle: get computed style properties for non-inline css definitions
function WikEdGetStyle(element, styleProperty) {
	var style;
	if (element != null) {
		style = document.defaultView.getComputedStyle(element, null).getPropertyValue(styleProperty);
	}
	return(style);
}


//
// WikEdGetCookie
//

function WikEdGetCookie(name) {
	var cookie = ' ' + document.cookie;
	var search = ' ' + name + '=';
	var setStr = '';
	var offset = 0;
	var end = 0;
	offset = cookie.indexOf(search);
	if (offset != -1) {
		offset += search.length;
		end = cookie.indexOf(';', offset)
		if (end == -1) {
			end = cookie.length;
		}
		setStr = cookie.substring(offset, end);
		setStr = setStr.replace(/\\+/g, ' ');
		setStr = decodeURIComponent(setStr);
	}
	return(setStr);
}


//
// WikEdSetCookie
//

function WikEdSetCookie(name, value, expires, path, domain, secure) {
	var cookie = name + '=' + encodeURIComponent(value);
	if (expires != null) {
		cookie += '; expires=' + expires
	}
	if (path != null) {
		cookie += '; path=' + path;
	}
	if (domain != null)  {
		cookie += '; domain=' + domain;
	}
	if (secure != null) {
		cookie += '; secure';
	}
	document.cookie = cookie;
}


//
// WikEdGetOffsetTop: get element offset relative to window top
//

function WikEdGetOffsetTop(element) {
	var offset = 0;
	do {
		offset += element.offsetTop;
	} while ( (element = element.offsetParent) != null );
	return(offset);
}


//
// WikEdGetOffsetLeft: get element offset relative to left window border
//

function WikEdGetOffsetLeft(element) {
	var offset = 0;
	do {
		offset += element.offsetLeft;
	} while ( (element = element.offsetParent) != null );
	return(offset);
}


// define leaf elements for WikEdGetInnerHTML
var wikEdLeafElements = [];
wikEdLeafElements['IMG'] = true;
wikEdLeafElements['HR'] = true;
wikEdLeafElements['BR'] = true;
wikEdLeafElements['INPUT'] = true;


//
// WikEdParseDOM: wikEdFrameDOMCache contains the last parse if the frame has not changed
//

function WikEdParseDOM(obj, topNode) {

/* problematic because of obj.changed //////////////////////
	if (wikEdFrameDOMCache != null) {
		obj = wikEdFrameDOMCache;
		return;
	}
*/

	obj.plainLength = 0;
	obj.plainArray = [];
	obj.plainNode = [];
	obj.plainStart = [];
	obj.plainPos = [];
	WikEdParseDOMRecursive(obj, topNode);
	obj.plain = obj.plainArray.join('');
	wikEdFrameDOMCache = obj;
	return;
}


//
// WikEdParseDOMRecursive:
//

function WikEdParseDOMRecursive(obj, currentNode) {

// cycle through the child nodes of currentNode
	for each (var childNode in currentNode.childNodes) {

		if (childNode == null) {
			break;
		}

// check for selection
		if (childNode == obj.sel.focusNode) {
			obj.plainFocus = obj.plainLength + obj.sel.focusOffset;
		}
		if (childNode == obj.sel.anchorNode) {
			obj.plainAnchor = obj.plainLength + obj.sel.anchorOffset;
		}
		var value = null;

// get text of child node
		switch (childNode.nodeType) {
			case 1:
				if ( (childNode.childNodes.length == 0) && (wikEdLeafElements[childNode.nodeName] == true) ) {
					if (childNode.nodeName == 'BR') {
						value = '\n';
					}
				}
				else {
					WikEdParseDOMRecursive(obj, childNode);
				}
				break;
			case 3:
				value = childNode.nodeValue;
				value = value.replace(/\n/g, ' ');
				break;
			case 5:
				value = '&' + childNode.nodeName + ';';
				break;
		}

// add text to text object
		if (value != null) {

// array of text fragments
			obj.plainArray.push(value);

// array of text fragment node references
			obj.plainNode.push(childNode);

// array of text fragment text positions
			obj.plainStart.push(obj.plainLength);

// node references containing text positions
 			obj.plainPos[childNode] = obj.plainLength;

// current text length
 			obj.plainLength += value.length;
		}
	}
	return;
}


//
// WikEdGetInnerHTML: get innerHTML from document fragment
//

function WikEdGetInnerHTML(obj, currentNode) {

// initialize string
	if (obj.html == null) {
		obj.html = '';
	}
	if (obj.plain == null) {
		obj.plain = '';
	}
	if (obj.plainArray == null) {
		obj.plainArray = [];
		obj.plainNode = [];
		obj.plainStart = [];
	}

	for (var i = 0; i < currentNode.childNodes.length; i ++) {
		var childNode = currentNode.childNodes.item(i);
		switch (childNode.nodeType) {
			case 1:
				obj.html += '<' + childNode.nodeName.toLowerCase();
				for (var j = 0; j < childNode.attributes.length; j ++) {
					if (childNode.attributes.item(j).nodeValue != null) {
						obj.html += ' ' + childNode.attributes.item(j).nodeName + '="' + childNode.attributes.item(j).nodeValue.replace(/</g, '&lt;').replace(/>/g, '&gt;') + '"';
					}
				}
				if ( (childNode.childNodes.length == 0) && wikEdLeafElements[childNode.nodeName] ) {
					obj.html += '>';
					if (childNode.nodeName == 'BR') {
						obj.plainArray.push('\n');
						obj.plainNode.push(childNode);
						obj.plainStart.push(obj.plain.length);
						obj.plain += '\n';
					}
				}
				else {
					obj.html += '>';
					WikEdGetInnerHTML(obj, childNode);
					obj.html += '</' + childNode.nodeName.toLowerCase() + '>'
				}
				break;
			case 3:
				var value = childNode.nodeValue;
				value = value.replace(/\n/g, ' '); // important for pasted page content
				obj.plainArray.push(value); // plain array contains & < > instead of &amp; &lt; &gt;
				obj.plainNode.push(childNode);
				obj.plainStart.push(obj.plain.length);
				value = value.replace(/&/g, '&amp;');
				value = value.replace(/</g, '&lt;');
				value = value.replace(/>/g, '&gt;');
				obj.html += value;
				obj.plain += value;
				break;
			case 4: obj.html += '<![CDATA[' + childNode.nodeValue + ']]>';
				break;
			case 5:
				var value = '&' + childNode.nodeName + ';';
				obj.plainArray.push(value);
				obj.plainNode.push(childNode);
				obj.plainStart.push(obj.plain.length);
				value = value.replace(/&/g, '&amp;');
				obj.html += value;
				obj.plain += value;
				break;
			case 8: obj.html += '<!--' + childNode.nodeValue + '-->';
				break;
		}
	}
	return;
}


// WikEdStyleSheet: create a new style sheet object
function WikEdStyleSheet(documentObject) {

	this.styleElement = null;
	if (documentObject == null) {
		documentObject = document;
	}

// IE
	if (documentObject.createStyleSheet) {
		this.styleElement = documentObject.createStyleSheet();
	}

// standards compliant browsers
	else {
		this.styleElement = documentObject.createElement('style');
		this.styleElement.from = 'text/css';
		var insert = documentObject.getElementsByTagName('head')[0];
		if (insert != null) {
			insert.appendChild(this.styleElement);
		}
	}

// add-a-rule method

// IE
	this.addRule = function(selector, declaration) {
		if (this.styleElement.addRule) {
			this.styleElement.addRule(selector, declaration);
		}

// standards compliant browsers
		else {
			if (this.styleElement.sheet != null) {
				if (this.styleElement.sheet.insertRule != null) {
					this.styleElement.sheet.insertRule(selector + ' { ' + declaration + ' } ', 0);
				}
			}
		}
	};
	return;
}


// WED: shortcut for WikEdDebug
function WED(objectName, object) {

	WikEdDebug(objectName, object);
	return;
}


// WikEdDebug: print the value of variables

function WikEdDebug(objectName, object) {

	document.getElementById('wikEdTextareaWrapper').style.position = 'static';
//	document.getElementById('WikEdFrameWrapper').style.position = 'static';
	if (objectName == null) {
		wikEdTextareaObj.value = '';
		wikEdTextareaObj.style.height = '25em';
	}
	else {
		wikEdTextareaObj.value += objectName + ': ' + object + '\n';
	}
	return;
}


//
// character tables used in FixUnicode()
//   see http://kmi.open.ac.uk/projects/ceryle/doc/docs/NOTE-charents.html
//   removed because of internal use: < ['003c', 'lt']; > ['003e', 'gt']; & ['0026', 'amp'], ['00a0', 'nbsp']


// supported chars in Mozilla and IE
var wikEdSupportedChars = [
	['00a1', 'iexcl'],  // ¡
	['00a2', 'cent'],   // ¢
	['00a3', 'pound'],  // £
	['00a4', 'curren'], // ¤
	['00a5', 'yen'],    // ¥
	['00a6', 'brvbar'], // ¦
	['00a7', 'sect'],   // §
	['00a8', 'uml'],    // ¨
	['00a9', 'copy'],   // ©
	['00aa', 'ordf'],   // ª
	['00ab', 'laquo'],  // «
	['00ac', 'not'],    // ¬
	['00ae', 'reg'],    // ®
	['00af', 'macr'],   // ¯
	['00b0', 'deg'],    // °
	['00b1', 'plusmn'], // ±
	['00b2', 'sup2'],   // ²
	['00b3', 'sup3'],   // ³
	['00b4', 'acute'],  // ´
	['00b5', 'micro'],  // µ
	['00b6', 'para'],   // ¶
	['00b7', 'middot'], // ·
	['00b8', 'cedil'],  // ¸
	['00b9', 'sup1'],   // ¹
	['00ba', 'ordm'],   // º
	['00bb', 'raquo'],  // »
	['00bc', 'frac14'], // ¼
	['00bd', 'frac12'], // ½
	['00be', 'frac34'], // ¾
	['00bf', 'iquest'], // ¿
	['00c0', 'Agrave'], // À
	['00c1', 'Aacute'], // Á
	['00c2', 'Acirc'],  // Â
	['00c3', 'Atilde'], // Ã
	['00c4', 'Auml'],   // Ä
	['00c5', 'Aring'],  // Å
	['00c6', 'AElig'],  // Æ
	['00c7', 'Ccedil'], // Ç
	['00c8', 'Egrave'], // È
	['00c9', 'Eacute'], // É
	['00ca', 'Ecirc'],  // Ê
	['00cb', 'Euml'],   // Ë
	['00cc', 'Igrave'], // Ì
	['00cd', 'Iacute'], // Í
	['00ce', 'Icirc'],  // Î
	['00cf', 'Iuml'],   // Ï
	['00d0', 'ETH'],    // Ð
	['00d1', 'Ntilde'], // Ñ
	['00d2', 'Ograve'], // Ò
	['00d3', 'Oacute'], // Ó
	['00d4', 'Ocirc'],  // Ô
	['00d5', 'Otilde'], // Õ
	['00d6', 'Ouml'],   // Ö
	['00d7', 'times'],  // ×
	['00d8', 'Oslash'], // Ø
	['00d9', 'Ugrave'], // Ù
	['00da', 'Uacute'], // Ú
	['00db', 'Ucirc'],  // Û
	['00dc', 'Uuml'],   // Ü
	['00dd', 'Yacute'], // Ý
	['00de', 'THORN'],  // Þ
	['00df', 'szlig'],  // ß
	['00e0', 'agrave'], // à
	['00e1', 'aacute'], // á
	['00e2', 'acirc'],  // â
	['00e3', 'atilde'], // ã
	['00e4', 'auml'],   // ä
	['00e5', 'aring'],  // å
	['00e6', 'aelig'],  // æ
	['00e7', 'ccedil'], // ç
	['00e8', 'egrave'], // è
	['00e9', 'eacute'], // é
	['00ea', 'ecirc'],  // ê
	['00eb', 'euml'],   // ë
	['00ec', 'igrave'], // ì
	['00ed', 'iacute'], // í
	['00ee', 'icirc'],  // î
	['00ef', 'iuml'],   // ï
	['00f0', 'eth'],    // ð
	['00f1', 'ntilde'], // ñ
	['00f2', 'ograve'], // ò
	['00f3', 'oacute'], // ó
	['00f4', 'ocirc'],  // ô
	['00f5', 'otilde'], // õ
	['00f6', 'ouml'],   // ö
	['00f7', 'divide'], // ÷
	['00f8', 'oslash'], // ø
	['00f9', 'ugrave'], // ù
	['00fa', 'uacute'], // ú
	['00fb', 'ucirc'],  // û
	['00fc', 'uuml'],   // ü
	['00fd', 'yacute'], // ý
	['00fe', 'thorn'],  // þ
	['00ff', 'yuml'],   // ÿ
	['0027', 'apos'],   // '
	['0022', 'quot'],   // "
	['0152', 'OElig'],  // Œ
	['0153', 'oelig'],  // œ
	['0160', 'Scaron'], // Š
	['0161', 'scaron'], // š
	['0178', 'Yuml'],   // Ÿ
	['02c6', 'circ'],   // ˆ
	['02dc', 'tilde'],  // ˜
	['2013', 'ndash'],  // –
	['2014', 'mdash'],  // —
	['2018', 'lsquo'],  // ‘
	['2019', 'rsquo'],  // ’
	['201a', 'sbquo'],  // ‚
	['201c', 'ldquo'],  // “
	['201d', 'rdquo'],  // ”
	['201e', 'bdquo'],  // „
	['2020', 'dagger'], // †
	['2021', 'Dagger'], // ‡
	['2030', 'permil'], // ‰
	['2039', 'lsaquo'], // ‹
	['203a', 'rsaquo'], // ›
	['20ac', 'euro'],   // €
	['0192', 'fnof'],   // ƒ
	['0391', 'Alpha'],  // Α
	['0392', 'Beta'],   // Β
	['0393', 'Gamma'],  // Γ
	['0394', 'Delta'],  // Δ
	['0395', 'Epsilon'],// Ε
	['0396', 'Zeta'],   // Ζ
	['0397', 'Eta'],    // Η
	['0398', 'Theta'],  // Θ
	['0399', 'Iota'],   // Ι
	['039a', 'Kappa'],  // Κ
	['039b', 'Lambda'], // Λ
	['039c', 'Mu'],     // Μ
	['039d', 'Nu'],     // Ν
	['039e', 'Xi'],     // Ξ
	['039f', 'Omicron'],// Ο
	['03a0', 'Pi'],     // Π
	['03a1', 'Rho'],    // Ρ
	['03a3', 'Sigma'],  // Σ
	['03a4', 'Tau'],    // Τ
	['03a5', 'Upsilon'],// Υ
	['03a6', 'Phi'],    // Φ
	['03a7', 'Chi'],    // Χ
	['03a8', 'Psi'],    // Ψ
	['03a9', 'Omega'],  // Ω
	['03b1', 'alpha'],  // α
	['03b2', 'beta'],   // β
	['03b3', 'gamma'],  // γ
	['03b4', 'delta'],  // δ
	['03b5', 'epsilon'],// ε
	['03b6', 'zeta'],   // ζ
	['03b7', 'eta'],    // η
	['03b8', 'theta'],  // θ
	['03b9', 'iota'],   // ι
	['03ba', 'kappa'],  // κ
	['03bb', 'lambda'], // λ
	['03bc', 'mu'],     // μ
	['03bd', 'nu'],     // ν
	['03be', 'xi'],     // ξ
	['03bf', 'omicron'],// ο
	['03c0', 'pi'],     // π
	['03c1', 'rho'],    // ρ
	['03c2', 'sigmaf'], // ς
	['03c3', 'sigma'],  // σ
	['03c4', 'tau'],    // τ
	['03c5', 'upsilon'],// υ
	['03c6', 'phi'],    // φ
	['03c7', 'chi'],    // χ
	['03c8', 'psi'],    // ψ
	['03c9', 'omega'],  // ω
	['2022', 'bull'],   // •
	['2026', 'hellip'], // …
	['2032', 'prime'],  // ′
	['2033', 'Prime'],  // ″
	['203e', 'oline'],  // ‾
	['2044', 'frasl'],  // ⁄
	['2122', 'trade'],  // ™
	['2190', 'larr'],   // ←
	['2191', 'uarr'],   // ↑
	['2192', 'rarr'],   // →
	['2193', 'darr'],   // ↓
	['2194', 'harr'],   // ↔
	['21d2', 'rArr'],   // ⇒
	['21d4', 'hArr'],   // ⇔
	['2200', 'forall'], // ∀
	['2202', 'part'],   // ∂
	['2203', 'exist'],  // ∃
	['2207', 'nabla'],  // ∇
	['2208', 'isin'],   // ∈
	['220b', 'ni'],     // ∋
	['220f', 'prod'],   // ∏
	['2211', 'sum'],    // ∑
	['2212', 'minus'],  // −
	['221a', 'radic'],  // √
	['221d', 'prop'],   // ∝
	['221e', 'infin'],  // ∞
	['2220', 'ang'],    // ∠
	['2227', 'and'],    // ∧
	['2228', 'or'],     // ∨
	['2229', 'cap'],    // ∩
	['222a', 'cup'],    // ∪
	['222b', 'int'],    // ∫
	['2234', 'there4'], // ∴
	['223c', 'sim'],    // ∼
	['2248', 'asymp'],  // ≈
	['2260', 'ne'],     // ≠
	['2261', 'equiv'],  // ≡
	['2264', 'le'],     // ≤
	['2265', 'ge'],     // ≥
	['2282', 'sub'],    // ⊂
	['2283', 'sup'],    // ⊃
	['2286', 'sube'],   // ⊆
	['2287', 'supe'],   // ⊇
	['2295', 'oplus'],  // ⊕
	['22a5', 'perp'],   // ⊥
	['25ca', 'loz'],    // ◊
	['2660', 'spades'], // ♠
	['2663', 'clubs'],  // ♣
	['2665', 'hearts'], // ♥
	['2666', 'diams']   // ♦
];

// special chars (spaces and invisible characters)
//
var wikEdSpecialChars = [
	['2002', 'ensp'],   //   en space
	['00ad', 'shy'],    // ­ soft hyphen
	['2003', 'emsp'],   //   em space
	['2009', 'thinsp'], //    thin space
	['200c', 'zwnj'],   // ‌ zero width non-joiner
	['200d', 'zwj'],    // ‍ zero width joiner
	['200e', 'lrm'],    // ‎ left-to-right mark
	['200f', 'rlm']     // ‏ right-to-left mark
];

// unsupported chars in IE6
var wikEdProblemChars = [
	['03d1', 'thetasym'], // ϑ
	['03d2', 'upsih'],    // ϒ
	['03d6', 'piv'],      // ϖ
	['2118', 'weierp'],   // ℘
	['2111', 'image'],    // ℑ
	['211c', 'real'],     // ℜ
	['2135', 'alefsym'],  // ℵ
	['21b5', 'crarr'],    // ↵
	['21d0', 'lArr'],     // ⇐
	['21d1', 'uArr'],     // ⇑
	['21d3', 'dArr'],     // ⇓
	['2205', 'empty'],    // ∅
	['2209', 'notin'],    // ∉
	['2217', 'lowast'],   // ∗
	['2245', 'cong'],     // ≅
	['2284', 'nsub'],     // ⊄
	['22a5', 'perp'],     // ⊥
	['2297', 'otimes'],   // ⊗
	['22c5', 'sdot'],     // ⋅
	['2308', 'lceil'],    // ⌈
	['2309', 'rceil'],    // ⌉
	['230a', 'lfloor'],   // ⌊
	['230b', 'rfloor'],   // ⌋
	['2329', 'lang'],     // 〈
	['232a', 'rang']      // 〉
];

// ASCII control characters and invisibles, used for syntax highlighting
var wikEdControlChars = {
	'0': 'null',
	'1': 'start of heading',
	'2': 'start of text',
	'3': 'end of text',
	'4': 'end of transmission',
	'5': 'enquiry',
	'6': 'acknowledge',
	'7': 'bell',
	'8': 'backspace',
	'9': 'horizontal tab',
	'10': 'line feed, new line',
	'11': 'vertical tab',
	'12': 'form feed, new page',
	'13': 'carriage return',
	'14': 'shift out',
	'15': 'shift in',
	'16': 'data link escape',
	'17': 'device control 1',
	'18': 'device control 2',
	'19': 'device control 3',
	'20': 'device control 4',
	'21': 'negative acknowledge',
	'22': 'synchronous idle',
	'23': 'end of trans. block',
	'24': 'cancel',
	'25': 'end of medium',
	'25': 'substitute',
	'26': 'escape',
	'27': 'file separator',
	'28': 'group separator',
	'29': 'record separator',
	'30': 'unit separator',
	'173' : 'soft hyphen',           // \u00ad
	'8204': 'zero width non-joiner', // \u200c
	'8205': 'zero width joiner',     // \u200d
	'8206': 'left-to-right mark',    // \u200e
	'8207': 'right-to-left mark',    // \u200f
	'8232': 'line separator',        // \u2028
	'8233': 'paragraph separator'    // \u2028
};

// strange spaces, used for syntax highlighting
var wikEdStrangeSpaces = {
	'31': 'non-breaking space', // \u00a0
	'8194': 'en space',         // \u2002
	'8195': 'em space',         // \u2003
	'8201': 'thin space',       // \u2009
};

/* </nowiki></pre> */