Usuário:Jozeias3d/editor.js

Origem: Wikipédia, a enciclopédia livre.

Nota: Depois de publicar, poderá ter de contornar a cache do seu navegador para ver as alterações.

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  • Opera: Pressione Ctrl-F5.
/* <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{| {{Prettytable}}\n');
                obj.changed.plain = obj.changed.plain.replace(/$/g, '\n|}\n');
            }
            else {
                obj.changed.plain = '\n{| {{Prettytable}}\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> */