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// version information
var wikEdProgramVersion = '0.9.20d (beta)';
var wikEdProgramDate    = 'January 16, 2007';


//
// user configurable variables
//


// user readable texts
// copy changes to http://en.wikipedia.org/wiki/User:Cacycle/wikEd_international_en.js
var wikEdText = wikEdText || [];
WikEdInitObject(wikEdText, {

// logo
'wikEdLogo alt':               'WikEd',
'wikEdLogo title':             'WikEd {wikEdProgramVersion} ({wikEdProgramDate}) Click to disable',
'wikEdLogo error alt':         'WikEd error',
'wikEdLogo error title':       'Loading error - WikEd {wikEdProgramVersion} ({wikEdProgramDate}) Click to disable',
'wikEdLogo disabled alt':      '(WikEd)',
'wikEdLogo disabled title':    'Disabled - WikEd {wikEdProgramVersion} ({wikEdProgramDate}) Click to enable',

// standard preview jumper
'wikEdScrollToButtons4 alt':   'Scroll buttons',
'wikEdScrollToButtons4 title': 'Scroll to edit buttons',
'wikEdScrollToInput4 alt':     'Scroll edit',
'wikEdScrollToInput4 title':   'Scroll to edit window',

// formatting buttons, top row
'wikEdUndo alt':               'Undo',
'wikEdUndo title':             'Undo',
'wikEdRedo alt':               'Redo',
'wikEdRedo title':             'Redo',
'wikEdBold alt':               'Bold',
'wikEdBold title':             'Bold text',
'wikEdItalic alt':             'Italic',
'wikEdItalic title':           'Italic text',
'wikEdUnderline alt':          'Underline',
'wikEdUnderline title':        'Underline text',
'wikEdStrikethrough alt':      'Strikethrough',
'wikEdStrikethrough title':    'Strikethrough text',
'wikEdNowiki alt':             'Nowiki',
'wikEdNowiki title':           'Nowiki markup text',
'wikEdSuperscript alt':        'Superscript',
'wikEdSuperscript title':      'Superscript text',
'wikEdSubscript alt':          'Subscript',
'wikEdSubscript title':        'Subscript text',
'wikEdRef alt':                'Ref',
'wikEdRef title':              'In-text reference',
'wikEdReferences alt':         'References',
'wikEdReferences title':       'References location (double click: small Wikipedia style)',
'wikEdCase alt':               'Case',
'wikEdCase title':             'Toggle between lowercase, uppercase first, and uppercase',
'wikEdUndoAll alt':            'Undo all',
'wikEdUndoAll title':          'Undo all changes',
'wikEdRedoAll alt':            'Redo all',
'wikEdRedoAll title':          'Redo all changes',

// formatting buttons, bottom row
'wikEdWikiLink alt':           'Link',
'wikEdWikiLink title':         'Wiki link',
'wikEdWebLink alt':            'Weblink',
'wikEdWebLink title':          'External weblink',
'wikEdDecreaseHeading alt':    'Heading-',
'wikEdDecreaseHeading title':  'Decrease heading levels',
'wikEdIncreaseHeading alt':    'Heading+',
'wikEdIncreaseHeading title':  'Increase heading levels',
'wikEdBulletList alt':         'Bullet list',
'wikEdBulletList title':       'Bulleted list',
'wikEdNumberList alt':         'Number list',
'wikEdNumberList title':       'Numbered list',
'wikEdIndentList alt':         'Indent list',
'wikEdIndentList title':       'Indented list',
'wikEdDefinitionList alt':     'Def list',
'wikEdDefinitionList title':   'Definition list',
'wikEdImage alt':              'Image',
'wikEdImage title':            'Image',
'wikEdTable alt':              'Table',
'wikEdTable title':            'Table',
'wikEdRedirect alt':           'Redirect',
'wikEdRedirect title':         'Create redirect, deletes whole text',
'wikEdUpdateSyntax alt':       'Syntax',
'wikEdUpdateSyntax title':     'Update syntax highlighting',
'wikEdWikify alt':             'Wikify',
'wikEdWikify title':           'Wikify pasted content',
'wikEdTextify alt':            'Textify',
'wikEdTextify title':          'Convert pasted content to plain text',

// wikEd control buttons, top row
'wikEdTextZoom alt':           'Text zoom',
'wikEdTextZoom title':         'Text zoom cycling',
'wikEdClearHistory alt':       'Clear history',
'wikEdClearHistory title':     'Clear the find, replace, and summary history',
'wikEdScrollToButtons alt':    'Scroll buttons',
'wikEdScrollToButtons title':  'Scroll to edit buttons',
'wikEdScrollToInput alt':      'Scroll edit',
'wikEdScrollToInput title':    'Scroll to edit window',

// wikEd control buttons, bottom row
'wikEdUseWikEd alt':           'Use wikEd',
'wikEdUseWikEd title':         'Toggle between classic text area and wikEd',
'wikEdHighlightSyntax alt':    'Syntax',
'wikEdHighlightSyntax title':  'Toggle automatic syntax highlighting',
'wikEdSource alt':             'Source',
'wikEdSource title':           'Show the source code for testing purposes',
'wikEdUsing alt':              'Using',
'wikEdUsing title':            'Automatically add \'\'…using wikEd\'\' to summaries',
'wikEdFullScreen alt':         'Fullscreen',
'wikEdFullScreen title':       'Toggle the fullscreen mode',

// find and replace buttons, top row
'wikEdGetFind alt':            'Get find',
'wikEdGetFind title':          'Copy selection to find field (double click: copy selection to find and to replace field)',
'wikEdFindAll alt':            'Find all',
'wikEdFindAll title':          'Find all matches',
'wikEdFindPrev alt':           'Find prev',
'wikEdFindPrev title':         'Find previous match',

'wikEdFindNext alt':           'Find next',
'wikEdFindNext title':         'Find next match',
'wikEdUpdown alt':             'Jump up/down',
'wikEdUpdown title':           'Jump to the top / bottom',
'wikEdPrevPos alt':            'Jump prev',
'wikEdPrevPos title':          'Jump to previously changed position',
'wikEdLastPos alt':            'Jump next',
'wikEdLastPos title':          'Jump back to last position',

// find and replace buttons, bottom row
'wikEdGetFind alt':            'Get find + replace',
'wikEdGetFind title':          'Copy selection to find and replace fields',
'wikEdClearFind alt':          'Clear find',
'wikEdClearFind title':        'Clear the find field (to search for selected text)',
'wikEdReplaceAll alt':         'Replace all',
'wikEdReplaceAll title':       'Replace all matches in whole text or selection',
'wikEdReplacePrev alt':        'Replace prev',
'wikEdReplacePrev title':      'Replace previous match',

'wikEdReplaceNext alt':        'Replace next',
'wikEdReplaceNext title':      'Replace next match',
'wikEdCaseSensitive alt':      'Case sensitive',
'wikEdCaseSensitive title':    'Search is case sensitive',
'wikEdRegExp alt':             'RegExp',
'wikEdRegExp title':           'Search field is a regular expression',
'wikEdFindAhead alt':          'Find ahead',
'wikEdFindAhead title':        'Find ahead as you type (case-insensitive non-regexp search)',

// fix buttons, top row
'wikEdFixBasic alt':           'Fix basic',
'wikEdFixBasic title':         'Fix blanks and empty lines, also done by other fixing functions',
'wikEdFixHtml alt':            'Fix html',
'wikEdFixHtml title':          'Fix html to wikicode',
'wikEdFixCaps alt':            'Fix caps',
'wikEdFixCaps title':          'Fix caps in headers and lists',
'wikEdfixUnicode alt':         'Fix Unicode',
'wikEdfixUnicode title':       'Fix Unicode character representations',
'wikEdFixAll alt':             'Fix all',
'wikEdFixAll title':           'Fix basic, html, capitalization, and Unicode',
'wikEdFixRegExTypo alt':       'Fix typos',
'wikEdFixRegExTypo title':     'Fix typos using the AutoWikiBrowser RegExTypoFixer rules',

// fix buttons, bottom row
'wikEdFixDashes alt':          'Fix dashes',
'wikEdFixDashes title':        'Fix dashes',
'wikEdFixPunct alt':           'Fix puntuation',
'wikEdFixPunct title':         'Fix spaces before puntuation',
'wikEdFixMath alt':            'Fix math',
'wikEdFixMath title':          'Fix math',
'wikEdFixChem alt':            'Fix chem',
'wikEdFixChem title':          'Fix chemical formulas',
'wikEdFixUnits alt':           'Fix units',
'wikEdFixUnits title':         'Fix units',

// summary buttons
'wikEdClearSummary alt':       'Clear summary',
'wikEdClearSummary title':     'Clear the summary field',
'wikEdPresetSummary': [
'copyedit', 'reply', 'article created', 'intro rewrite',
'linkfix', 'fixing typos', 'removing linkspam', 'reverting test',
'reverting vandalism', 'formatting source text', '{wikEdUsing}'
],
'wikEdSummaryUsing':           '…using [[User:Cacycle/wikEd|wikEd]]',

// submit buttons
'wikEdLocalPreviewImg alt':    'Preview below',
'wikEdLocalPreview title':     'Show preview below',
'wikEdLocalDiffImg alt':       'Changes below',
'wikEdLocalDiff title':        'Show current changes below',
'wikEdHelpPageLink':           ' | <a href="http://en.wikipedia.org/wiki/User:Cacycle/wikEd_help" target="helpwindow">wikEd help</a>',

// preview and changes buttons, top
'wikEdPreview alt':            'Preview title',
'wikEdPreview title':          'Show preview below',
'wikEdDiff alt':               'Changes title',
'wikEdDiff title':             'Show current changes below',
'wikEdClose alt':              'Close title',
'wikEdClose title':            'Close preview box',
'wikEdScrollToButtons2 alt':   'Scroll buttons',
'wikEdScrollToButtons2 title': 'Scroll to edit buttons',
'wikEdScrollToInput2 alt':     'Scroll edit',
'wikEdScrollToInput2 title':   'Scroll to edit window',

// preview and changes buttons, bottom
'wikEdPreview2 alt':           'Preview title',
'wikEdPreview2 title':         'Show preview above',
'wikEdDiff2 alt':              'Changes title',
'wikEdDiff2 title':            'Show current changes above',
'wikEdClose alt':              'Close title',
'wikEdClose title':            'Close preview box',
'wikEdScrollToButtons3 alt':   'Scroll buttons',
'wikEdScrollToButtons3 title': 'Scroll to edit buttons',
'wikEdScrollToInput3 alt':     'Scroll edit',
'wikEdScrollToInput3 title':   'Scroll to edit window',

// formatting functions
'image filename':              'filename',
'image width':                 'width',
'table caption':               'caption',
'table heading':               'heading',
'table cell':                  'cell',
'redirect article link':       'article link',

// fixing functions
'External links':              'External links',
'See also':                    'See also',
'References':                  'References',

// language specific wiki code
'wikicode Image':              'Image',
'wikicode Category':           'Category',
'wikEdReferencesSection':      '\n== References ==\n\n<div class="references-small">\n<references/>\n</div>\n',

// shortened button texts
'shortenedPreview':            'Preview',
'shortenedChanges':            'Changes'
});

// edit-frame css rules
var wikEdFrameCSS = wikEdFrameCSS || [];
WikEdInitObject(wikEdFrameCSS, {

// frame body
'.wikedFrameBody':    'background: #FFFFFF; margin: 0px; padding: 0.2em; overflow: -moz-scrollbars-vertical; overflow-x: auto; font-family: monospace;',

// syntax highlighting
'.wikEdBlock':        'background-color: #e8e8e8;',
'.wikEdBlockTag':     'color: #0000e0;',
'.wikEdInlineTag':    'color: #0000e0;',
'.wikEdUnknown':      'background-image: url({wikEdUnknown});',
'.wikEdSubscript':    'position: relative; top: 0.3em;',
'.wikEdSuperscript':  'position: relative; top: -0.3em;',
'.wikEdBold':         'font-weight: bold;',
'.wikEdRef':          'color: #606060; background-color: #e8e8e8;',
'.wikEdComment':      'background-color: #fff0d0;',
'.wikEdDel':          'text-decoration: line-through;',
'.wikEdIns':          'text-decoration: underline;',
'.wikEdItalic':       'font-style: italic;',
'.wikEdNowiki':       'background-color: #e8e8e8;',
'.wikEdRGB':          '',

// horizontal rule
'.wikEdHR':           'background-color: #d0d0d0;',
'.wikEdHRInline':     'background-color: #d0d0d0;',

// wiki code
'.wikEdWiki':         'color: #0000e0;',
'.wikEdWikiRedir':    'color: #0000e0; background-color: #ffffff; font-weight: bold;',
'.wikEdMagic':        'color: #0000e0; background-color: #e0e0e0; font-weight: bold;',

// headings
'.wikEdHeading':      'background-color: #e0e0e0; font-weight: bold;',
'.wikEdHeadingWp':    'background-color: #d8e0ff; font-weight: bold;',

// tables
'.wikEdTableBlock':   'background-color: #e8e8e8;',
'.wikEdTableLine':    'background-color: #e8e8e8;',
'.wikEdTableTag':     'background-color: #e8e8e8; color: #0000e0;',

// list
'.wikEdListBlock':    'background-color: #e8e8e8;',
'.wikEdListLine':     'background-color: #f0f0f0',
'.wikEdListTag':      'background-color: #e8e8e8; color: #0000e0; font-weight: bold;',

// space-pre
'.wikEdSpaceBlock':   'background-color: #e8e8e8;',
'.wikEdSpaceLine':    'background-color: #e8e8e8;',
'.wikEdSpaceTag':     'color: #0000e0; font-weight: bold;',

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

// interlanguage
'.wikEdInter':        '',
'.wikEdLinkInter':    'background-color: #c8c8ff;',
'.wikEdImageInter':   'background-color: #c8c8ff;',
'.wikEdCatInter':     'background-color: #c8c8ff;',
'.wikEdTemplInter':   'background-color: #c8c8ff;',

// name
'.wikEdLinkName':     'color: #f00000; font-weight: bold;',
'.wikEdImageName':    'font-weight: bold;',
'.wikEdCatName':      'color: #f00000; font-weight: bold;',
'.wikEdTemplName':    'color: #f00000; font-weight: bold;',
'.wikEdURLLink':      'color: #f00000; font-weight: bold;',

// pasted html
'.wikEdPastedHtml':   'background-color: #FFC080;',

// text and parameters
'.wikEdLinkText':     'font-weight: bold;',
'.wikEdImageParam':   'color: #0000e0;',
'.wikEdImageCaption': '',
'.wikEdCatText':      '',
'.wikEdTemplText':    '',
'.wikEdURLText':      'font-weight: bold;',

// insert wikicode here
'.wikEdInsertHere':   'background-color: orange; font-style: italic;',

// colors
'.wikEdColorsLight':  'color: black;',
'.wikEdColorsDark':   'color: white;',

// invisibles, control chars, and strange spaces
'.wikEdTab':          'white-space: pre; background-image: url({wikEdTab}); background-position: right bottom; background-repeat: no-repeat;',
'.wikEdTabPlain':     'white-space: pre;',
'.wikEdCtrl':         'white-space: pre; background-image: url({wikEdCtrl}); background-position: left center; background-repeat: repeat-x; background-color: white;',
'.wikEdCtrl:before':  'content: \'\u00a0\'',
'.wikEdBlank':        'white-space: -moz-pre-wrap; background-image: url({wikEdBlank}); background-position: left center; background-repeat: repeat-x; background-color: white;'
});

// main window css rules
var wikEdMainCSS = wikEdMainCSS || [];
WikEdInitObject(wikEdMainCSS, {

// combo input box
'.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;',

// wikEd button areas
'.wikEdButtonsFormat':        'background: #d4d0cc; border: 1px black solid; padding: 0.1em; margin: 0.2em  0.6em 0 0    ; float: left;',
'.wikEdButtonsCustom1':       'background: #d4d0cc; border: 1px black solid; padding: 0.1em; margin: 0.2em  0.6em 0 0    ; float: left;',
'.wikEdButtonsFind':          'background: #d4d0cc; border: 1px black solid; padding: 0.1em; margin: 0.2em  0.6em 0 0    ; float: left;',
'.wikEdButtonsFix':           'background: #d4d0cc; border: 1px black solid; padding: 0.1em; margin: 0.2em  0.6em 0 0    ; float: left',
'.wikEdButtonsCustom2':       'background: #d4d0cc; border: 1px black solid; padding: 0.1em; margin: 0.2em  0.6em 0 0    ; float: left;',
'.wikEdButtonsControl':       'background: #d4d0cc; border: 1px black solid; padding: 0.1em; margin: 0.2em  0     0 0    ; float: right;',
'.wikEdButtonsPreview':       'background: #d4d0cc; border: 1px black solid; padding: 0.1em; margin: 0.15em 0     0 0.6em; float: right;',
'.wikEdButtonsPreviewFull':   'background: #d4d0cc; border: 1px black solid; padding: 0.1em; margin: -0.2em 0     0 0.6em; float: right;',
'.wikEdButtonsPreview2':      'background: #d4d0cc; border: 1px black solid; padding: 0.1em; margin: 0.2em  0     0.4em 0; float: right;',
'.wikEdButtonsJump':          'padding: 0.1em; margin: 0 0 0 0.6em; float: right;',

// wikEd buttons
'.wikEdButton':               'vertical-align: text-top; font-size: small; text-decoration: underline; margin: 1px 2px; padding: 0; background: #d4d0cc; border: 1px #d4d0cc solid; cursor: pointer;',
'.wikEdButton:hover':         'background: #e4e0dd; border: 1px outset; cursor: pointer;',
'.wikEdButton:active':        'background: #e4e0dc; border: 1px inset;  cursor: pointer;',
'.wikEdButtonSolo':           'vertical-align: text-top; font-size: small; text-decoration: underline; margin: 1px 2px; padding: 0; background: #d4d0cc; border: 1px solid; border-color: white black black white; cursor: pointer;',
'.wikEdButtonSolo:hover':     'background: #e4e0dd; cursor: pointer;',
'.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;',
'.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;',
'.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;',
'.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',
'.wikEdLocalPreview':         'vertical-align: top; margin: 0 0.33em 0 0.15em; padding: 0;',
'.wikEdLocalDiff':            'vertical-align: top; margin: 0 0.33em 0 -0.18em; padding: 0;',

// preview box
'.wikEdPreviewBoxOuter':      'clear: both; margin-top: 0.5em; margin-bottom: 0; border-width: 1px; border-style: solid; border-color: #808080 #d0d0d0 #d0d0d0 #808080;',
'.wikEdPreviewBox':           'background-color: #f9f9f9; padding: 5px; border-width: 1px; border-style: solid; border-color: #404040 #ffffff #ffffff #404040;',

// find field
'.wikEdFindComboInput':       'position: relative; padding: 0; margin: 0 0.2em; font-style: normal; white-space: nowrap;',
'#wikEdFindText':             'height: 1.4em; font-family: monospace; padding: 0; margin: 0; position: absolute; width: 170px; left: 0; top: 0; z-index: 2;',
'#wikEdFindSelect':           'height: 1.5em; font-family: monospace; padding: 0; margin: 0; position: relative; border: none; vertical-align: baseline; z-index: 1;',

// replace field
'.wikEdReplaceComboInput':    'position: relative; padding: 0; margin: 0 0.2em; font-style: normal; white-space: nowrap;',
'#wikEdReplaceText':          'height: 1.4em; font-family: monospace; padding: 0; margin: 0; position: absolute; width: 170px; left: 0; top: 0; z-index: 2;',
'#wikEdReplaceSelect':        'height: 1.5em; font-family: monospace; padding: 0; margin: 0; position: relative; border: none; vertical-align: baseline; z-index: 1;',

// summary field
'.wikEdSummaryComboInput':    'position: relative; white-space: nowrap; margin-left: 0.1em;',
'.wikEdSummaryText':          'padding: 0; margin: 0; position: absolute; left: 0; top: 0; z-index: 2;',
'.wikEdSummarySelect':        'border: none; padding: 0; margin: 0; position: relative; vertical-align: middle; z-index: 1;',

// space around submit buttons
'.editButtons':               'margin-top: 0.5em; margin-bottom: 0.5em;',

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

// summary
'.wikEdSummaryWrapper':       'margin: 0.25em 0 0.4em 0;',
'#wpSummaryLabel':            'margin-right: 0.2em',
'.editOptions':               'position: relative; top: 0.1em;',
'.wikEdClearSummaryForm':     'display: inline;',
'.wikEdClearSummary':         'vertical-align: middle; margin: 0 0.1em 0 0.5em; padding: 0 0 0.2em 0;',

// input wrapper
'.wikEdInputWrapper':         'z-index: 100;',
'.wikEdInputWrapperFull':     'position: fixed; top: 0; left: 0; right: 0; padding: 4px; background: white; z-index: 100;',

// other wrappers
'.wikEdToolbarWrapper':       '',
'.wikEdTextareaWrapper':      '',
'.wikEdFrameWrapper':         '',
'.wikEdConsoleWrapper':       '',
'.wikEdButtonsWrapper':       '',
'.wikEdSummaryInputWrapper':  'display: inline;',
'.wikEdSummaryOptions':       'display: inline;',
'.wikEdSubmitWrapper':        '',
'.wikEdSubmitButtonsWrapper': '',
'.wikEdLocalPrevWrapper':     '',
'.wikEdInsertWrapper':        '',

// various
'.wikEdEditOptions':          'display: inline; vertical-align: baseline; margin-right: 0.75em; white-space: nowrap;',
'.wikEdEditHelp':             'vertical-align: baseline; margin-right: 0.5em; white-space: nowrap;',
'#editpage-specialchars':     'clear: both;'
});

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

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

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

// image filenames
var wikEdImage = wikEdImage || [];

// image URLs
WikEdInitImage(wikEdImage, {
'blank':           '5/51/WikEd_blank.png',
'bold':            '5/59/WikEd_bold.png',
'bulletList':      '6/62/WikEd_bullet_list.png',
'case':            'a/aa/WikEd_case.png',
'caseSensitive':   '0/0d/WikEd_case_sensitive.png',
'clearFind':       'f/f0/WikEd_clear_find.png',
'clearHistory':    'c/c8/WikEd_clear_history.png',
'clearSummary':    '2/2c/WikEd_clear_summary.png',
'close':           '9/97/WikEd_close.png',
'ctrl':            '1/10/WikEd_ctrl.png',
'decreaseHeading': '7/72/WikEd_decrease_heading.png',
'definitionList':  'f/f5/WikEd_definition_list.png',
'diff':            'd/db/WikEd_diff.png',
'disabled':        '0/07/WikEd_disabled.png',
'error':           '3/3e/WikEd_error.png',
'findAhead':       '3/34/WikEd_find_ahead.png',
'findAll':         '7/75/WikEd_find_all.png',
'findNext':        'a/ad/WikEd_find_next.png',
'findPrev':        'f/f5/WikEd_find_prev.png',
'fixAll':          '8/86/WikEd_fix_all.png',
'fixBasic':        '3/30/WikEd_fix_basic.png',
'fixCaps':         '0/00/WikEd_fix_caps.png',
'fixUnicode':      'd/d4/WikEd_fix_unicode.png',
'fixChem':         'e/e7/WikEd_fix_chem.png',
'fixDash':         'e/e5/WikEd_fix_dash.png',
'fixHtml':         '0/05/WikEd_fix_html.png',
'fixMath':         '3/3f/WikEd_fix_math.png',
'fixPunct':        'd/db/WikEd_fix_punct.png',
'fixRegExTypo':    '9/94/WikEd_fix_reg-ex-typo.png',
'fixUnits':        '6/69/WikEd_fix_units.png',
'textZoom':        '7/71/WikEd_font_size.png',
'fullScreen':      'd/d3/WikEd_fullscreen.png',
'getFind':         '9/96/WikEd_get_selection.png',
'highlightSyntax': '6/67/WikEd_syntax.png',
'image':           '3/37/WikEd_image.png',
'increaseHeading': '5/50/WikEd_increase_heading.png',
'indentList':      '7/7a/WikEd_indent_list.png',
'italic':          'd/d4/WikEd_italic.png',
'jumpTopBottom':   '5/5d/WikEd_jump_top_bottom.png',
'lastPos':         '5/54/WikEd_jump_next.png',
'logo':            '6/67/WikEd_logo.png',
'nowiki':          '5/5a/WikEd_nowiki.png',
'numberList':      '3/3b/WikEd_number_list.png',
'prevPos':         'c/c7/WikEd_jump_prev.png',
'preview':         '3/31/WikEd_preview.png',
'redirect':        'f/fa/WikEd_redirect.png',
'redo':            'd/d7/WikEd_redo.png',
'ref':             'b/ba/WikEd_ref.png',
'references':      '6/66/WikEd_references.png',
'redoAll':         '2/2d/WikEd_redo_all.png',
'regExp':          '6/6a/WikEd_regexp.png',
'replaceAll':      '2/2a/WikEd_replace_all.png',
'replaceNext':     'b/b0/WikEd_replace_next.png',
'replacePrev':     'a/a1/WikEd_replace_prev.png',
'scrollToButtons': '0/01/WikEd_align_buttons.png',
'scrollToText':    '1/13/WikEd_align_top.png',
'source':          '0/02/WikEd_source.png',
'strikethrough':   '0/06/WikEd_strikethrough.png',
'subscript':       '9/9e/WikEd_subscript.png',
'superscript':     'b/bf/WikEd_superscript.png',
'tab':             'e/e7/WikEd_tab.png',
'table':           'b/bd/WikEd_table.png',
'textify':         'c/cd/WikEd_textify.png',
'underline':       '2/21/WikEd_underline.png',
'undo':            'e/e6/WikEd_undo.png',
'undoAll':         '0/08/WikEd_undo_all.png',
'unknown':         '8/8a/WikEd_unknown.png',
'updateSyntax':    '6/67/WikEd_syntax.png',
'useWikEd':        '6/67/WikEd_logo.png',
'using':           'e/e0/WikEd_using.png',
'webLink':         '1/16/WikEd_weblink.png',
'wikify':          '9/9f/WikEd_wikify.png',
'wikiLink':        '2/21/WikEd_wikilink.png'
});

// buttons (id, class, popup title, image src, width, height, alt text, onClick and parameters)
var wikEdButton = wikEdButton || [];
WikEdInitObject(wikEdButton, {

// format top
1: ['wikEdUndo',             'wikEdButtonInactive',  wikEdText['wikEdUndo title'],             wikEdImage['undo'],            '16', '16', wikEdText['wikEdUndo alt'],             'javascript:WikEdEditButton(this.id);' ],
2: ['wikEdRedo',             'wikEdButtonInactive',  wikEdText['wikEdRedo title'],             wikEdImage['redo'],            '16', '16', wikEdText['wikEdRedo alt'],             'javascript:WikEdEditButton(this.id);' ],
3: ['wikEdBold',             'wikEdButton',          wikEdText['wikEdBold title'],             wikEdImage['bold'],            '16', '16', wikEdText['wikEdBold alt'],             'javascript:WikEdEditButton(this.id);' ],
4: ['wikEdItalic',           'wikEdButton',          wikEdText['wikEdItalic title'],           wikEdImage['italic'],          '16', '16', wikEdText['wikEdItalic alt'],           'javascript:WikEdEditButton(this.id);' ],
5: ['wikEdUnderline',        'wikEdButton',          wikEdText['wikEdUnderline title'],        wikEdImage['underline'],       '16', '16', wikEdText['wikEdUnderline alt'],        'javascript:WikEdEditButton(this.id);' ],
6: ['wikEdStrikethrough',    'wikEdButton',          wikEdText['wikEdStrikethrough title'],    wikEdImage['strikethrough'],   '16', '16', wikEdText['wikEdStrikethrough alt'],    'javascript:WikEdEditButton(this.id);' ],
7: ['wikEdNowiki',           'wikEdButton',          wikEdText['wikEdNowiki title'],           wikEdImage['nowiki'],          '16', '16', wikEdText['wikEdNowiki alt'],           'javascript:WikEdEditButton(this.id);' ],
8: ['wikEdSuperscript',      'wikEdButton',          wikEdText['wikEdSuperscript title'],      wikEdImage['superscript'],     '16', '16', wikEdText['wikEdSuperscript alt'],      'javascript:WikEdEditButton(this.id);' ],
9: ['wikEdSubscript',        'wikEdButton',          wikEdText['wikEdSubscript title'],        wikEdImage['subscript'],       '16', '16', wikEdText['wikEdSubscript alt'],        'javascript:WikEdEditButton(this.id);' ],
10: ['wikEdRef',              'wikEdButton',          wikEdText['wikEdRef title'],              wikEdImage['ref'],             '16', '16', wikEdText['wikEdRef alt'],              'javascript:WikEdEditButton(this.id);' ],
11: ['wikEdReferences',       'wikEdButton',          wikEdText['wikEdReferences title'],       wikEdImage['references'],      '16', '16', wikEdText['wikEdReferences alt'],      'javascript:WikEdEditButton(this.id);" ondblclick="javascript:WikEdEditButton(\'wikEdReferencesSection\');' ],
12: ['wikEdCase',             'wikEdButton',          wikEdText['wikEdCase title'],             wikEdImage['case'],            '16', '16', wikEdText['wikEdCase alt'],             'javascript:WikEdEditButton(this.id);' ],
13: ['wikEdUndoAll',          'wikEdButton',          wikEdText['wikEdUndoAll title'],          wikEdImage['undoAll'],         '16', '16', wikEdText['wikEdUndoAll alt'],          'javascript:WikEdEditButton(this.id);' ],
14: ['wikEdRedoAll',          'wikEdButtonInactive',  wikEdText['wikEdRedoAll title'],          wikEdImage['redoAll'],         '16', '16', wikEdText['wikEdRedoAll alt'],          'javascript:WikEdEditButton(this.id);' ],

// format bottom
15: ['wikEdWikiLink',         'wikEdButton',          wikEdText['wikEdWikiLink title'],         wikEdImage['wikiLink'],        '16', '16', wikEdText['wikEdWikiLink alt'],         'javascript:WikEdEditButton(this.id);' ],
16: ['wikEdWebLink',          'wikEdButton',          wikEdText['wikEdWebLink title'],          wikEdImage['webLink'],         '16', '16', wikEdText['wikEdWebLink alt'],          'javascript:WikEdEditButton(this.id);' ],
17: ['wikEdDecreaseHeading',  'wikEdButton',          wikEdText['wikEdDecreaseHeading title'],  wikEdImage['decreaseHeading'], '16', '16', wikEdText['wikEdDecreaseHeading alt'],  'javascript:WikEdEditButton(this.id);' ],
18: ['wikEdIncreaseHeading',  'wikEdButton',          wikEdText['wikEdIncreaseHeading title'],  wikEdImage['increaseHeading'], '16', '16', wikEdText['wikEdIncreaseHeading alt'],  'javascript:WikEdEditButton(this.id);' ],
19: ['wikEdBulletList',       'wikEdButton',          wikEdText['wikEdBulletList title'],       wikEdImage['bulletList'],      '16', '16', wikEdText['wikEdBulletList alt'],       'javascript:WikEdEditButton(this.id);' ],
20: ['wikEdNumberList',       'wikEdButton',          wikEdText['wikEdNumberList title'],       wikEdImage['numberList'],      '16', '16', wikEdText['wikEdNumberList alt'],       'javascript:WikEdEditButton(this.id);' ],
21: ['wikEdIndentList',       'wikEdButton',          wikEdText['wikEdIndentList title'],       wikEdImage['indentList'],      '16', '16', wikEdText['wikEdIndentList alt'],       'javascript:WikEdEditButton(this.id);' ],
22: ['wikEdDefinitionList',   'wikEdButton',          wikEdText['wikEdDefinitionList title'],   wikEdImage['definitionList'],  '16', '16', wikEdText['wikEdDefinitionList alt'],   'javascript:WikEdEditButton(this.id);' ],
23: ['wikEdImage',            'wikEdButton',          wikEdText['wikEdImage title'],            wikEdImage['image'],           '16', '16', wikEdText['wikEdImage alt'],            'javascript:WikEdEditButton(this.id);' ],
24: ['wikEdTable',            'wikEdButton',          wikEdText['wikEdTable title'],            wikEdImage['table'],           '16', '16', wikEdText['wikEdTable alt'],            'javascript:WikEdEditButton(this.id);' ],
25: ['wikEdRedirect',         'wikEdButton',          wikEdText['wikEdRedirect title'],         wikEdImage['redirect'],        '16', '16', wikEdText['wikEdRedirect alt'],         'javascript:WikEdEditButton(this.id);' ],
26: ['wikEdWikify',           'wikEdButton',          wikEdText['wikEdWikify title'],           wikEdImage['wikify'],          '16', '16', wikEdText['wikEdWikify alt'],           'javascript:WikEdEditButton(this.id);' ],
27: ['wikEdTextify',          'wikEdButton',          wikEdText['wikEdTextify title'],          wikEdImage['textify'],         '16', '16', wikEdText['wikEdTextify alt'],          'javascript:WikEdEditButton(this.id);' ],
28: ['wikEdUpdateSyntax',     'wikEdButton',          wikEdText['wikEdUpdateSyntax title'],     wikEdImage['updateSyntax'],    '16', '16', wikEdText['wikEdUpdateSyntax alt'],     'javascript:WikEdEditButton(this.id);' ],

// control top
29: ['wikEdTextZoom',         'wikEdButton',          wikEdText['wikEdTextZoom title'],         wikEdImage['textZoom'],        '16', '16', wikEdText['wikEdTextZoom alt'],         'javascript:WikEdButton(this.id);' ],
30: ['wikEdClearHistory',     'wikEdButton',          wikEdText['wikEdClearHistory title'],     wikEdImage['clearHistory'],    '16', '16', wikEdText['wikEdClearHistory alt'],     'javascript:WikEdButton(this.id);' ],
31: ['wikEdScrollToButtons',  'wikEdButton',          wikEdText['wikEdScrollToButtons title'],  wikEdImage['scrollToButtons'], '16', '16', wikEdText['wikEdScrollToButtons alt'],  'javascript:WikEdButton(this.id);' ],
32: ['wikEdScrollToInput',    'wikEdButton',          wikEdText['wikEdScrollToInput title'],    wikEdImage['scrollToText'],    '16', '16', wikEdText['wikEdScrollToInput alt'],    'javascript:WikEdButton(this.id);' ],

// control bottom
33: ['wikEdUseWikEd',         'wikEdButtonChecked',   wikEdText['wikEdUseWikEd title'],         wikEdImage['useWikEd'],        '16', '16', wikEdText['wikEdUseWikEd alt'],         'javascript:WikEdButton(this.id, true);' ],
34: ['wikEdHighlightSyntax',  'wikEdButtonUnchecked', wikEdText['wikEdHighlightSyntax title'],  wikEdImage['highlightSyntax'], '16', '16', wikEdText['wikEdHighlightSyntax alt'],  'javascript:WikEdButton(this.id, true);' ],
35: ['wikEdSource',           'wikEdButton',          wikEdText['wikEdSource title'],           wikEdImage['source'],          '16', '16', wikEdText['wikEdSource alt'],           'javascript:WikEdEditButton(this.id);' ],
36: ['wikEdUsing',            'wikEdButtonUnchecked', wikEdText['wikEdUsing title'],            wikEdImage['using'],           '16', '16', wikEdText['wikEdUsing alt'],            'javascript:WikEdButton(this.id, true);' ],
37: ['wikEdFullScreen',       'wikEdButton',          wikEdText['wikEdFullScreen title'],       wikEdImage['fullScreen'],      '16', '16', wikEdText['wikEdFullScreen alt'],       'javascript:WikEdButton(this.id, true);' ],

// find top
38: ['wikEdGetFind',          'wikEdButton',          wikEdText['wikEdGetFind title'],          wikEdImage['getFind'],         '16', '16', wikEdText['wikEdGetFind alt'],          'javascript:WikEdEditButton(this.id);" ondblclick="javascript:WikEdEditButton(\'wikEdGetFindReplace\');' ],
39: ['wikEdFindAll',          'wikEdButton',          wikEdText['wikEdFindAll title'],          wikEdImage['findAll'],         '16', '16', wikEdText['wikEdFindAll alt'],          'javascript:WikEdEditButton(this.id);' ],
40: ['wikEdFindPrev',         'wikEdButton',          wikEdText['wikEdFindPrev title'],         wikEdImage['findPrev'],        '16', '16', wikEdText['wikEdFindPrev alt'],         'javascript:WikEdEditButton(this.id);' ],
41: ['wikEdFindNext',         'wikEdButton',          wikEdText['wikEdFindNext title'],         wikEdImage['findNext'],        '16', '16', wikEdText['wikEdFindNext alt'],         'javascript:WikEdEditButton(this.id);' ],
42: ['wikEdUpdown',           'wikEdButton',          wikEdText['wikEdUpdown title'],           wikEdImage['jumpTopBottom'],   '16', '16', wikEdText['wikEdUpdown alt'],           'javascript:WikEdEditButton(this.id);' ],
43: ['wikEdPrevPos',          'wikEdButtonInactive',  wikEdText['wikEdPrevPos title'],          wikEdImage['prevPos'],         '16', '16', wikEdText['wikEdPrevPos alt'],          'javascript:WikEdEditButton(this.id);' ],
44: ['wikEdLastPos',          'wikEdButtonInactive',  wikEdText['wikEdLastPos title'],          wikEdImage['lastPos'],         '16', '16', wikEdText['wikEdLastPos alt'],          'javascript:WikEdEditButton(this.id);' ],

// find bottom
45: ['wikEdClearFind',        'wikEdButton',          wikEdText['wikEdClearFind title'],        wikEdImage['clearFind'],       '16', '16', wikEdText['wikEdClearFind alt'],        'javascript:WikEdButton(this.id);' ],
46: ['wikEdReplaceAll',       'wikEdButton',          wikEdText['wikEdReplaceAll title'],       wikEdImage['replaceAll'],      '16', '16', wikEdText['wikEdReplaceAll alt'],       'javascript:WikEdEditButton(this.id);' ],
47: ['wikEdReplacePrev',      'wikEdButton',          wikEdText['wikEdReplacePrev title'],      wikEdImage['replacePrev'],     '16', '16', wikEdText['wikEdReplacePrev alt'],      'javascript:WikEdEditButton(this.id);' ],
48: ['wikEdReplaceNext',      'wikEdButton',          wikEdText['wikEdReplaceNext title'],      wikEdImage['replaceNext'],     '16', '16', wikEdText['wikEdReplaceNext alt'],      'javascript:WikEdEditButton(this.id);' ],
49: ['wikEdCaseSensitive',    'wikEdButtonUnchecked', wikEdText['wikEdCaseSensitive title'],    wikEdImage['caseSensitive'],   '16', '16', wikEdText['wikEdCaseSensitive alt'],    'javascript:WikEdButton(this.id, true);' ],
50: ['wikEdRegExp',           'wikEdButtonUnchecked', wikEdText['wikEdRegExp title'],           wikEdImage['regExp'],          '16', '16', wikEdText['wikEdRegExp alt'],           'javascript:WikEdButton(this.id, true);' ],
51: ['wikEdFindAhead',        'wikEdButtonUnchecked', wikEdText['wikEdFindAhead title'],        wikEdImage['findAhead'],       '16', '16', wikEdText['wikEdFindAhead alt'],        'javascript:WikEdButton(this.id, true);' ],

// fix top
52: ['wikEdFixBasic',         'wikEdButton',          wikEdText['wikEdFixBasic title'],         wikEdImage['fixBasic'],        '16', '16', wikEdText['wikEdFixBasic alt'],         'javascript:WikEdEditButton(this.id);' ],
53: ['wikEdFixHtml',          'wikEdButton',          wikEdText['wikEdFixHtml title'],          wikEdImage['fixHtml'],         '16', '16', wikEdText['wikEdFixHtml alt'],          'javascript:WikEdEditButton(this.id);' ],
54: ['wikEdFixCaps',          'wikEdButton',          wikEdText['wikEdFixCaps title'],          wikEdImage['fixCaps'],         '16', '16', wikEdText['wikEdFixCaps alt'],          'javascript:WikEdEditButton(this.id);' ],
55: ['wikEdfixUnicode',       'wikEdButton',          wikEdText['wikEdfixUnicode title'],       wikEdImage['fixUnicode'],      '16', '16', wikEdText['wikEdfixUnicode alt'],       'javascript:WikEdEditButton(this.id);' ],
56: ['wikEdFixAll',           'wikEdButton',          wikEdText['wikEdFixAll title'],           wikEdImage['fixAll'],          '16', '16', wikEdText['wikEdFixAll alt'],           'javascript:WikEdEditButton(this.id);' ],
57: ['wikEdFixRegExTypo',     'wikEdButton',          wikEdText['wikEdFixRegExTypo title'],     wikEdImage['fixRegExTypo'],    '16', '16', wikEdText['wikEdFixRegExTypo alt'],     'javascript:WikEdEditButton(this.id);' ],

// fix bottom
58: ['wikEdFixDashes',        'wikEdButton',          wikEdText['wikEdFixDashes title'],        wikEdImage['fixDash'],         '16', '16', wikEdText['wikEdFixDashes alt'],        'javascript:WikEdEditButton(this.id);' ],
59: ['wikEdFixPunct',         'wikEdButton',          wikEdText['wikEdFixPunct title'],         wikEdImage['fixPunct'],        '16', '16', wikEdText['wikEdFixPunct alt'],         'javascript:WikEdEditButton(this.id);' ],
60: ['wikEdFixMath',          'wikEdButton',          wikEdText['wikEdFixMath title'],          wikEdImage['fixMath'],         '16', '16', wikEdText['wikEdFixMath alt'],          'javascript:WikEdEditButton(this.id);' ],
61: ['wikEdFixChem',          'wikEdButton',          wikEdText['wikEdFixChem title'],          wikEdImage['fixChem'],         '16', '16', wikEdText['wikEdFixChem alt'],          'javascript:WikEdEditButton(this.id);' ],
62: ['wikEdFixUnits',         'wikEdButton',          wikEdText['wikEdFixUnits title'],         wikEdImage['fixUnits'],        '16', '16', wikEdText['wikEdFixUnits alt'],         'javascript:WikEdEditButton(this.id);' ],

// preview
63: ['wikEdPreview',          'wikEdButton',          wikEdText['wikEdPreview title'],          wikEdImage['preview'],         '16', '16', wikEdText['wikEdPreview alt'],          'javascript:WikEdButton(this.id);' ],
64: ['wikEdDiff',             'wikEdButton',          wikEdText['wikEdDiff title'],             wikEdImage['diff'],            '16', '16', wikEdText['wikEdDiff alt'],             'javascript:WikEdButton(this.id);' ],
65: ['wikEdClose',            'wikEdButton',          wikEdText['wikEdClose title'],            wikEdImage['close'],           '16', '16', wikEdText['wikEdClose alt'],            'javascript:WikEdButton(this.id);' ],
66: ['wikEdScrollToButtons2', 'wikEdButton',          wikEdText['wikEdScrollToButtons2 title'], wikEdImage['scrollToButtons'], '16', '16', wikEdText['wikEdScrollToButtons2 alt'], 'javascript:WikEdButton(this.id);' ],
67: ['wikEdScrollToInput2',   'wikEdButton',          wikEdText['wikEdScrollToInput2 title'],   wikEdImage['scrollToText'],    '16', '16', wikEdText['wikEdScrollToInput2 alt'],   'javascript:WikEdButton(this.id);' ],

// preview2
68: ['wikEdPreview2',         'wikEdButton',          wikEdText['wikEdPreview2 title'],         wikEdImage['preview'],         '16', '16', wikEdText['wikEdPreview2 alt'],         'javascript:WikEdButton(this.id);' ],
69: ['wikEdDiff2',            'wikEdButton',          wikEdText['wikEdDiff2 title'],            wikEdImage['diff'],            '16', '16', wikEdText['wikEdDiff2 alt'],            'javascript:WikEdButton(this.id);' ],
70: ['wikEdClose2',           'wikEdButton',          wikEdText['wikEdClose2 title'],           wikEdImage['close'],           '16', '16', wikEdText['wikEdClose2 alt'],           'javascript:WikEdButton(this.id);' ],
71: ['wikEdScrollToButtons3', 'wikEdButton',          wikEdText['wikEdScrollToButtons3 title'], wikEdImage['scrollToButtons'], '16', '16', wikEdText['wikEdScrollToButtons3 alt'], 'javascript:WikEdButton(this.id);' ],
72: ['wikEdScrollToInput3',   'wikEdButton',          wikEdText['wikEdScrollToInput3 title'],   wikEdImage['scrollToText'],    '16', '16', wikEdText['wikEdScrollToInput3 alt'],   'javascript:WikEdButton(this.id);' ],

// jump
73: ['wikEdScrollToButtons4', 'wikEdButtonSolo',      wikEdText['wikEdScrollToButtons4 title'], wikEdImage['scrollToButtons'], '16', '16', wikEdText['wikEdScrollToButtons4 alt'], 'javascript:WikEdButton(this.id);' ],
74: ['wikEdScrollToInput4',   'wikEdButtonSolo',      wikEdText['wikEdScrollToInput4 title'],   wikEdImage['scrollToText'],    '16', '16', wikEdText['wikEdScrollToInput4 alt'],   'javascript:WikEdButton(this.id);' ]
});

// button bars (id, class, button numbers)
var wikEdButtonBar = wikEdButtonBar || [];
WikEdInitObject(wikEdButtonBar, {
'format':   ['wikEdButtonsFormat',   'wikEdButtonsFormat',   [1,2,3,4,5,6,7,8,9,10,11,12,13,14,'br',15,16,17,18,19,20,21,22,23,24,25,26,27,28] ],
'custom1':  ['wikEdButtonsCustom1',  'wikEdButtonsCustom1',  [] ],
'find':     ['wikEdButtonsFind',     'wikEdButtonsFind',     [38,39,40,'find',41,42,43,44,'br',45,46,47,'replace',48,49,50,51] ],
'fix':      ['wikEdButtonsFix',      'wikEdButtonsFix',      [52,53,54,55,56,57,'br',58,59,60,61,62] ],
'custom2':  ['wikEdButtonsCustom2',  'wikEdButtonsCustom2',  [] ],
'control':  ['wikEdButtonsControl',  'wikEdButtonsControl',  [29,30,31,32,'br',33,34,35,36,37] ],
'preview':  ['wikEdButtonsPreview',  'wikEdButtonsPreview',  [63,64,65,66,67] ],
'preview2': ['wikEdButtonsPreview2', 'wikEdButtonsPreview2', [68,69,70,71,72] ],
'jump':     ['wikEdButtonsJump',     'wikEdButtonsJump',     [73,74] ]
});

// history length for find, replace, and summary fields
var wikEdHistoryLength = wikEdHistoryLength || [];
wikEdHistoryLength['find'] = 10;
wikEdHistoryLength['replace'] = 10;
wikEdHistoryLength['summary'] = 10;

// presets for combo input fields dropdown options, {wikEdUsing} appends a link to this script
var wikEdComboPresetOptions = wikEdComboPresetOptions || [];
wikEdComboPresetOptions['summary'] = wikEdComboPresetOptions['summary'] || wikEdText['wikEdPresetSummary'];

// text for summary link to this script
var wikEdSummaryUsing = wikEdSummaryUsing || wikEdText['wikEdSummaryUsing'];

// expiration time span for history cookies in seconds
var wikEdCookieExpireSec = wikEdCookieExpireSec || (30 * 24 * 60 * 60);

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

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

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

// add '...using wikEd' to summary preset (set to true by single-session cookie wikEdSummaryUsing)
var wikEdUsingPreset = wikEdUsingPreset || false;

// fullscreen mode preset
var wikEdFullScreenModePreset = wikEdFullScreenModePreset || false;

// initial text zoom for edit window (percentage)
var wikEdTextZoom = wikEdTextZoom || 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 || false;

// This is the wikEd help page link to be displayed after the editing help link, an empty string disables the link
var wikEdHelpPageLink = wikEdHelpPageLink || wikEdText['wikEdHelpPageLink'];

// use RegExTypoFix (http://en.wikipedia.org/wiki/User:Mboverload/RegExTypoFix), needs Wikipedia:AutoWikiBrowser/typos.js
var wikEdRegExTypoFix = wikEdRegExTypoFix || true;


//
// end of user configurable variables
//


// global variables

var wikEdLoaded = wikEdLoaded || false;
var wikEdDisabled = false;

// 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 wikEdLogo;
var wikEdLogoList;

var wikEdTextarea;
var wikEdFrame;
var wikEdFrameBody;
var wikEdFrameDocument;
var wikEdFrameWindow;

var wikEdInputWrapper;
var wikEdToolbarWrapper;
var wikEdTextareaWrapper;
var wikEdFrameWrapper;
var wikEdConsoleWrapper;
var wikEdButtonsWrapper;
var wikEdSummaryWrapper;
var wikEdSummaryInputWrapper;
var wikEdSummaryOptions;
var wikEdSubmitWrapper;
var wikEdSubmitButtonsWrapper;
var wikEdLocalPrevWrapper;
var wikEdInsertWrapper;

var wikEdButtonsFormat;
var wikEdButtonsCustom1;
var wikEdButtonsFind;
var wikEdButtonsFix;
var wikEdButtonsCustom2;
var wikEdButtonsControl;
var wikEdButtonsPreview;
var wikEdPreviewBox;
var wikEdButtonsPreview2;
var wikEdButtonsJump;
var wikEdClearSummaryImg;

var wikEdCaseSensitive;
var wikEdRegExp;
var wikEdFindAhead;

var wikEdFindText;
var wikEdReplaceText;
var wikEdSummaryText;

var wikEdEditOptions;
var wikEdEditHelp;

var wikEdSaveButton;
var wikEdPreviewButton;
var wikEdLDiffButton;
var wikEdLocalPreview;
var wikEdLocalDiff;

// various
var wikEdTextareaHeight;
var wikEdPrevRange = null;
var wikEdClearSummaryWidth;

// wiki file paths for use in regexps
var wgServer = wgServer || '';
var wgArticlePath = wgArticlePath || '';
var wgScriptPath = wgScriptPath || '';

var wikEdServer = wgServer.replace(/(\W)/g, '\\$1');
var wikEdArticlePath = wgArticlePath.replace(wgServer, '');
var wikEdScriptPath = wgScriptPath.replace(wgServer, '');

wikEdArticlePath = wikEdArticlePath.replace(/\$1$/, '');
wikEdScriptPath = wikEdScriptPath.replace(/\/?$/, '/');;

wikEdArticlePath = wikEdArticlePath.replace(/(\W)/g, '\\$1');
wikEdScriptPath = wikEdScriptPath.replace(/(\W)/g, '\\$1');

// add setup routine to addOnloadHook
if (typeof(addOnloadHook) == 'function') {
$(WikEdSetup);
}
else {
window.onload = WikEdSetup;
}


//
// WikEdInitObject: initialize object, keep pre-defined values
//

function WikEdInitObject(array, preset) {

for (var key in preset) {
if (array[key] == null) {
array[key] = preset[key];
}
}
return;
}


//
// WikEdInitImage: initialize images, keep pre-defined values
//

function WikEdInitImage(array, preset) {

for (var key in preset) {
if (array[key] == null) {

// remove MediaWiki path prefixes and add local path
if (wikEdUseLocalImages == true) {
array[key] = wikEdImagePathLocal + preset[key].replace(/^[0-9a-f]+\/[0-9a-f]+\//, '');
}

// add path
else {
array[key] = wikEdImagePath + preset[key];
}
}
}
return;
}


//
// insertTags: override the insertTags function in wikibits.js, used for the standard button toolbar
//

function insertTags(tagOpen, tagClose, sampleText) {

if (wikEdUseWikEd == 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 {
wikEdTextarea = document.getElementById('wpTextbox1');
if (wikEdTextarea.selectionStart || wikEdTextarea.selectionStart == '0') {
var replaced = false;
var startPos = wikEdTextarea.selectionStart;
var endPos = wikEdTextarea.selectionEnd;
if (endPos - startPos) {
replaced = true;
}
var scrollTop = wikEdTextarea.scrollTop;
var myText = (wikEdTextarea.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;
}
wikEdTextarea.value = wikEdTextarea.value.substring(
0, startPos) + subst + wikEdTextarea.value.substring(endPos, wikEdTextarea.value.length
);
wikEdTextarea.focus();

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

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

return;
}


//
// WikEdSetup: setup routine, called on page load
//

function WikEdSetup(scrollToText) {

var html = '';

// add image path to image filename
if (wikEdLogo == null) {

/*
////////////////// remove Instaview buttons and preview field
while (document.getElementById('InstaViewDump') != null) {
var instaViewDump = document.getElementById('InstaViewDump');
}
*/

// insert logo into personal toolbar
wikEdLogo = document.createElement('img');
wikEdLogo.id = 'wikEdLogoImg';
wikEdLogo.onclick = WikEdMainSwitch;

wikEdLogoList = document.createElement('li');
wikEdLogoList.id = 'wikEdLogoList';
wikEdLogoList.appendChild(wikEdLogo);

var personalTools = document.getElementById('p-personal');
if (personalTools != null) {
personalTools.getElementsByTagName('ul')[0].appendChild(wikEdLogoList);
}
}

// check if disabled
var cookie = WikEdGetCookie('wikEdDisabled');
if (cookie != '') {
wikEdDisabled = true;
wikEdUseWikEd = false;
WikEdSetLogo();
return;
}

// check if setup was already run
if (wikEdLoaded == true) {
return;
}
wikEdLoaded = true;

// set error logo
WikEdSetLogo('error');

// 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
wikEdTextarea = document.getElementById('wpTextbox1');
var wpEditform = document.getElementById('editform');
if ( (wikEdTextarea == null) || (wpEditform == null) ) {

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

// check if RegExTypoFix is available
if (typeof(AWRegExTypoFix) != 'function') {
wikEdRegExTypoFix = false;
}

// get initial textarea height
wikEdTextareaHeight = wikEdTextarea.offsetHeight;

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

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

// get button settings from cookies
var cookie = WikEdGetCookie('wikEdSummaryUsing');
if (cookie != '') {
wikEdUsing = true;
}
else {
wikEdUsing = wikEdUsingPreset;
}

cookie = WikEdGetCookie('wikEdUseClassic');
if (cookie != '') {
wikEdUseWikEd = false;
}
else {
wikEdUseWikEd = wikEdUseWikEdPreset;
}

cookie = WikEdGetCookie('wikEdSyntaxOff');
if (cookie != '') {
wikEdHighlightSyntax = false;
}
else {
wikEdHighlightSyntax = wikEdHighlightSyntaxPreset;
}

cookie = WikEdGetCookie('wikEdFullscreen');
if (cookie != '') {
wikEdFullScreenMode = true;
}
else {
wikEdFullScreenMode = wikEdFullScreenModePreset;
}

if (window.location.search.match('wikedpreview') != null) {
wikEdFullScreenMode = false;
}

// preset frame related styles to avoid browser crashes
var styleFrameWrapperPosition;
var styleFrameWrapperVisibility;
var styleFrameBody;
if (wikEdUseWikEd == true) {
styleFrameBody = 'style="display: block;" ';
styleFrameWrapperPosition = 'static';
styleFrameWrapperVisibility = 'visible';
styleTextareaWrapperPosition = 'absolute';
styleTextareaWrapperVisibility = 'hidden';
}
else {
styleFrameBody = 'style="display: none;" ';
styleFrameWrapperPosition = 'absolute';
styleFrameWrapperVisibility = 'hidden';
styleTextareaWrapperPosition = 'static';
styleTextareaWrapperVisibility = 'visible';
}
if (wikEdFullScreenMode == true) {
wikEdInputWrapperClass = 'wikEdInputWrapperFull';
}
else {
wikEdInputWrapperClass = 'wikEdInputWrapper';
}

// create wikEd element wrappers

// create input wrapper, this contains the whole fullscreen content
wikEdInputWrapper = document.createElement('div');
wikEdInputWrapper.id = 'wikEdInputWrapper';
wikEdInputWrapper.className = wikEdInputWrapperClass;
wikEdTextarea.parentNode.insertBefore(wikEdInputWrapper, wikEdTextarea);

// create toolbar wrapper
wikEdToolbarWrapper = document.createElement('div');
wikEdToolbarWrapper.id = 'wikEdToolbarWrapper';
wikEdToolbarWrapper.className = 'wikEdToolbarWrapper';
wikEdInputWrapper.appendChild(wikEdToolbarWrapper);

// create textarea wrapper
wikEdTextareaWrapper = document.createElement('div');
wikEdTextareaWrapper.id = 'wikEdTextareaWrapper';
wikEdTextareaWrapper.className = 'wikEdTextareaWrapper';
wikEdTextareaWrapper.style.position = styleTextareaWrapperPosition;
wikEdTextareaWrapper.style.visibility = styleTextareaWrapperVisibility;
wikEdInputWrapper.appendChild(wikEdTextareaWrapper);

// create frame wrapper
wikEdFrameWrapper = document.createElement('div');
wikEdFrameWrapper.id = 'wikEdFrameWrapper';
wikEdFrameWrapper.style.position = styleFrameWrapperPosition;
wikEdFrameWrapper.style.visibility = styleFrameWrapperVisibility;
wikEdInputWrapper.appendChild(wikEdFrameWrapper);

// create console wrapper for buttons, summary, and submit
wikEdConsoleWrapper = document.createElement('div');
wikEdConsoleWrapper.id = 'wikEdConsoleWrapper';
wikEdConsoleWrapper.className = 'wikEdConsoleWrapper';
wikEdInputWrapper.appendChild(wikEdConsoleWrapper);

// create buttons wrapper for wikEd buttons
wikEdButtonsWrapper = document.createElement('div');
wikEdButtonsWrapper.id = 'wikEdButtonsWrapper';
wikEdButtonsWrapper.className = 'wikEdButtonsWrapper';
wikEdConsoleWrapper.appendChild(wikEdButtonsWrapper);

// create summary wrapper for summary, minor edit, and watch this page
wikEdSummaryWrapper = document.createElement('div');
wikEdSummaryWrapper.id = 'wikEdSummaryWrapper';
wikEdSummaryWrapper.className = 'wikEdSummaryWrapper';
wikEdConsoleWrapper.appendChild(wikEdSummaryWrapper);

// create summary input wrapper
wikEdSummaryInputWrapper = document.createElement('div');
wikEdSummaryInputWrapper.id = 'wikEdSummaryInputWrapper';
wikEdSummaryInputWrapper.className = 'wikEdSummaryInputWrapper';
wikEdSummaryWrapper.appendChild(wikEdSummaryInputWrapper);

// create minor edit and watch page wrapper
wikEdSummaryOptions = document.createElement('div');
wikEdSummaryOptions.id = 'wikEdSummaryOptions';
wikEdSummaryOptions.className = 'wikEdSummaryOptions';
wikEdSummaryWrapper.appendChild(wikEdSummaryOptions);

// create submit wrapper for submit elements
wikEdSubmitWrapper = document.createElement('div');
wikEdSubmitWrapper.id = 'wikEdSubmitWrapper';
wikEdSubmitWrapper.className = 'wikEdSubmitWrapper';
wikEdConsoleWrapper.appendChild(wikEdSubmitWrapper);

// create submit buttons wrapper for submit buttons and help links
wikEdSubmitButtonsWrapper = document.createElement('div');
wikEdSubmitButtonsWrapper.id = 'wikEdSubmitButtonsWrapper';
wikEdSubmitButtonsWrapper.className = 'wikEdSubmitButtonsWrapper';
wikEdSubmitWrapper.appendChild(wikEdSubmitButtonsWrapper);

// create preview wrapper for preview and diff box
wikEdLocalPrevWrapper = document.createElement('div');
wikEdLocalPrevWrapper.id = 'wikEdLocalPrevWrapper';
wikEdLocalPrevWrapper.className = 'wikEdLocalPrevWrapper';
wikEdLocalPrevWrapper.style.display = 'none';
wikEdInputWrapper.appendChild(wikEdLocalPrevWrapper);

// create insert wrapper for insert special chars links
wikEdInsertWrapper = document.createElement('div');
wikEdInsertWrapper.id = 'wikEdInsertWrapper';
wikEdInsertWrapper.className = 'wikEdInsertWrapper';
wikEdInputWrapper.appendChild(wikEdInsertWrapper);

// append input wrapper to document
wpEditform.insertBefore(wikEdInputWrapper, wpEditform.firstChild);

// fill the wrappers

// add toolbar to toolbar wrapper
wpToolbar = document.getElementById('toolbar');
if (wpToolbar != null) {
wikEdToolbarWrapper.appendChild(wpToolbar);
}

// call wikibits:mwSetupToolbar() now because it would terminate with an error after setting textarea to display: none
if (wpToolbar != null) {
if (wpToolbar.getElementsByTagName('IMG').length == 0) {
if (typeof(mwSetupToolbar) == 'function') {
mwSetupToolbar();
window.removeEventListener('load', mwSetupToolbar, false);
}
}
}

// add summary elements to summary input wrapper
var summaryLabel = document.getElementById('wpSummaryLabel');
wikEdSummaryInputWrapper.appendChild(summaryLabel);

wikEdSummaryText = document.getElementById('wpSummary');
wikEdSummaryInputWrapper.appendChild(wikEdSummaryText);

// move editpage-copywarn out of summary wrapper
// needs to be done before appending editOptions to summary wrapper otherwise a linebreak stays (Mozilla bug)
var copywarn = document.getElementById('editpage-copywarn');
if (copywarn != null) {
wikEdInputWrapper.parentNode.insertBefore(copywarn, wikEdInputWrapper.nextSibling);
}

// add submit buttons to submit wrapper
var wpEditButtons = document.getElementById('wpSave').parentNode;
wikEdSubmitWrapper.insertBefore(wpEditButtons, wikEdSubmitButtonsWrapper);

// move edit options after submit buttons; crashes Mozilla when appended after filling the iframe
var wikEdEditOptions = document.getElementById('wpMinoredit').parentNode;
wikEdEditOptions.className = 'wikEdEditOptions';
var previewButton = document.getElementById('wpDiff');
previewButton.parentNode.insertBefore(wikEdEditOptions, previewButton.nextSibling);

// remove linebreak before minor edit checkbox
var node = wikEdEditOptions.firstChild;
while (node != null) {
if (node.tagName == 'BR') {
node.parentNode.removeChild(node);
break;
}
node = node.nextSibling;
}

// add textarea to textarea wrapper
wikEdTextareaWrapper.appendChild(wikEdTextarea);

// add edit-frame to frame wrapper
// any DOM changes to a starting iframe in designmode may crash the browser, including DOM move, display: none; and position: absolute;

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

wikEdFrameWrapper.innerHTML = html;
wikEdInputWrapper.insertBefore(wikEdFrameWrapper, wikEdTextareaWrapper);

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

wikEdFrame = document.getElementById('wikEdFrame');
wikEdFrameWindow = wikEdFrame.contentWindow;
wikEdFrameDocument = wikEdFrameWindow.document;
wikEdFrameDocument.open();
wikEdFrameDocument.write(html);
wikEdFrameDocument.close();
wikEdFrameBody = wikEdFrameDocument.body;

// generate button bars and add them to the buttons wrapper
// form wrapper against summary input submit defaulting to this button
wikEdButtonsFormat = MakeButtonBar(wikEdButtonBar['format']);
wikEdButtonsWrapper.appendChild(wikEdButtonsFormat);

wikEdButtonsControl = MakeButtonBar(wikEdButtonBar['control']);
wikEdButtonsWrapper.appendChild(wikEdButtonsControl);

if (wikEdButtonBar['custom1'][2].length > 0) {
wikEdButtonsCustom1 = MakeButtonBar(wikEdButtonBar['custom1']);
wikEdButtonsWrapper.appendChild(wikEdButtonsCustom1);
}

wikEdButtonsFind = MakeButtonBar(wikEdButtonBar['find']);
wikEdButtonsWrapper.appendChild(wikEdButtonsFind);

wikEdButtonsFix = MakeButtonBar(wikEdButtonBar['fix']);
wikEdButtonsWrapper.appendChild(wikEdButtonsFix);

if (wikEdButtonBar['custom2'][2].length > 0) {
wikEdButtonsCustom2 = MakeButtonBar(wikEdButtonBar['custom2']);
wikEdButtonsWrapper.appendChild(wikEdButtonsCustom2);
}

var br = document.createElement('br');
br.style.clear = 'both';
wikEdButtonsWrapper.appendChild(br);

wikEdCaseSensitive = document.getElementById('wikEdCaseSensitive');
wikEdRegExp = document.getElementById('wikEdRegExp');
wikEdFindAhead = document.getElementById('wikEdFindAhead');
wikEdFindText = document.getElementById('wikEdFindText');
wikEdReplaceText = document.getElementById('wikEdReplaceText');

// add preview box top bar to submit wrapper
wikEdButtonsPreview = MakeButtonBar(wikEdButtonBar['preview']);
wikEdSubmitWrapper.insertBefore(wikEdButtonsPreview, wikEdSubmitWrapper.firstChild);

// add preview box and its bottom bar to preview wrapper
var div = document.createElement('div');
div.id = 'wikEdPreviewBoxOuter';
div.className = 'wikEdPreviewBoxOuter';
wikEdLocalPrevWrapper.appendChild(div);

wikEdPreviewBox = document.createElement('div');
wikEdPreviewBox.id = 'wikEdPreviewBox';
wikEdPreviewBox.className = 'wikEdPreviewBox';
div.appendChild(wikEdPreviewBox);

wikEdButtonsPreview2 = MakeButtonBar(wikEdButtonBar['preview2']);
wikEdLocalPrevWrapper.appendChild(wikEdButtonsPreview2);

// add jump box to standard preview
var wikiPreview = document.getElementById('wikiPreview');
if (wikiPreview != null) {
if (wikiPreview.firstChild != null) {
wikEdButtonsJump = MakeButtonBar(wikEdButtonBar['jump']);
wikiPreview.insertBefore(wikEdButtonsJump, wikiPreview.firstChild);
}
}

// add insert special chars to insert wrapper
var wpSpecialchars = document.getElementById('editpage-specialchars');
if (wpSpecialchars != null) {
wikEdInsertWrapper.appendChild(wpSpecialchars);
}

// wrappers filled

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

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

wikEdLocalPreview.appendChild(localPreviewImg);
wikEdPreviewButton = document.getElementById('wpPreview');
wikEdPreviewButton.parentNode.insertBefore(wikEdLocalPreview, wikEdPreviewButton.nextSibling);

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

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

wikEdLocalDiff.appendChild(localDiffImg);
wikEdDiffButton = document.getElementById('wpDiff');
wikEdDiffButton.parentNode.insertBefore(wikEdLocalDiff, wikEdDiffButton.nextSibling);

// initialize image buttons
WikEdButton('wikEdHighlightSyntax', null, wikEdHighlightSyntax);
WikEdButton('wikEdUseWikEd', null, wikEdUseWikEd);
WikEdButton('wikEdFullScreen', null, wikEdFullScreenMode);
WikEdButton('wikEdUsing', null, wikEdUsing);
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');

if (wikEdRegExTypoFix == false) {
document.getElementById('wikEdFixRegExTypo').className = 'wikEdButtonInactive';
}

// add a clear summary button left to the summary input field
var clearSummaryForm = document.createElement('form');
clearSummaryForm.id = 'wikEdClearSummaryForm';
clearSummaryForm.className = 'wikEdClearSummaryForm';
wikEdSummaryText.parentNode.insertBefore(clearSummaryForm, wikEdSummaryText);

wikEdClearSummary = document.createElement('button');
wikEdClearSummary.id = 'wikEdClearSummary';
wikEdClearSummary.className = 'wikEdClearSummary';
wikEdClearSummary.alt = wikEdText['wikEdClearSummary alt'];
wikEdClearSummary.title = wikEdText['wikEdClearSummary title'];
wikEdClearSummary.style.height = (wikEdSummaryText.clientHeight + 1) +'px';
clearSummaryForm.appendChild(wikEdClearSummary);

wikEdClearSummaryImg = document.createElement('img');
wikEdClearSummaryImg.id = 'wikEdClearSummaryImg';
wikEdClearSummaryImg.src = wikEdImage['clearSummary'];
wikEdClearSummaryImg.alt = 'Clear summary';
wikEdClearSummary.appendChild(wikEdClearSummaryImg);

// remember button width, might be without image
wikEdClearSummaryWidth = wikEdClearSummary.offsetWidth;

// make the summary a combo box
var summaryComboInput = document.createElement('span');
summaryComboInput.id = 'wikEdSummaryComboInput';
summaryComboInput.className = 'wikEdSummaryComboInput';
summaryComboInput = wikEdSummaryText.parentNode.insertBefore(summaryComboInput, wikEdSummaryText);

wikEdSummaryText = wikEdSummaryText.parentNode.removeChild(wikEdSummaryText);
wikEdSummaryText.className = 'wikEdSummaryText';
wikEdSummaryTextWidth = wikEdSummaryWrapper.offsetWidth - wikEdSummaryInputWrapper.offsetWidth;
if (wikEdSummaryTextWidth < 150) {
wikEdSummaryTextWidth = 150;
}
wikEdSummaryText.style.width = wikEdSummaryTextWidth + 'px';

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

summaryComboInput.appendChild(wikEdSummaryText);
summaryComboInput.appendChild(summarySelect);

// shorten submit button texts
document.getElementById('wpPreview').value = wikEdText['shortenedPreview'];
document.getElementById('wpDiff').value = wikEdText['shortenedChanges'];

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

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

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

// display only the textarea or the iframe, dont change the frame
if (wikEdUseWikEd == true) {
WikEdSetEditArea(true, true);
}
else {
WikEdSetEditArea(false, true);
}

// add a link to the wikEd help page
if ( (wikEdHelpPageLink != '') && (wikEdHelpPageLink != null) ) {
var editHelpParent = previewButton;
do {
editHelpParent = editHelpParent.nextSibling;
} while (editHelpParent.tagName != 'SPAN');

var editHelp = editHelpParent.lastChild;
while (editHelp.tagName != 'A') {
editHelp = editHelp.previousSibling;
}

wikEdHelpSpan = document.createElement('span');
wikEdHelpSpan.id = 'wikEdHelpSpan';
wikEdHelpSpan.className = 'wikEdHelpSpan';
wikEdHelpSpan.innerHTML = wikEdHelpPageLink;
editHelpParent.insertBefore(wikEdHelpSpan, editHelp.nextSibling);

wikEdEditHelp = wikEdHelpSpan.parentNode;
wikEdEditHelp.id = 'wikEdEditHelp';
wikEdEditHelp.className = 'wikEdEditHelp';
}

// add frame stylesheet definition
wikEdFrameBody.style.fontSize = parseInt(wikEdTextZoom) + '%;';
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);
}

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

// set the summary resize after loading the 'Clear summary' image handler
wikEdClearSummaryImg.addEventListener('load', WikEdResizeSummaryHandler, true);

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

// set find ahead events
wikEdFindText.addEventListener('keyup', WikEdFindAhead, true);

// set submit button events
wikEdSaveButton = document.getElementById('wpSave');
wikEdSaveButton.addEventListener('click', WikEdSaveButtonHandler, true);
wikEdPreviewButton.addEventListener('click', WikEdPreviewButtonHandler, true);
wikEdDiffButton.addEventListener('click', WikEdDiffButtonHandler, true);
wikEdLocalPreview.addEventListener('click', WikEdLocalPreviewHandler, true);
wikEdLocalDiff.addEventListener('click', WikEdLocalDiffHandler, true);

// set the clear summary onclick handler
wikEdClearSummary.addEventListener('click', WikEdClearSummaryHandler, true);

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

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

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

// fullscreen mode
if (wikEdFullScreenMode == true) {
WikEdFullScreen(wikEdFullScreenMode, true);
}

// reset error indicator
WikEdSetLogo();

return;
}


//
// summary resize after loading the 'Clear summary' image handler
//

function WikEdResizeSummaryHandler() {
var diffWidth = wikEdClearSummary.offsetWidth - wikEdClearSummaryWidth;
wikEdInputElement['summary'].style.width = (wikEdInputElement['summary'].clientWidth - diffWidth) + 'px';
wikEdSelectElement['summary'].style.width = (wikEdSelectElement['summary'].clientWidth - diffWidth) + 'px';
}


//
// 'Save page' onclick handler
//

function WikEdSaveButtonHandler() {
wikEdSaveButton.removeEventListener('click', WikEdSaveButtonHandler, true);

// update textarea
if (wikEdUseWikEd == true) {
WikEdUpdateTextarea();
}

// add "using wikEd" to summary
var text = wikEdSummaryText.value;
text = text.replace(/^[, ]+/, '');
text = text.replace(/[, ]+$/, '');
WikEdAddToHistory('summary');
if ( (wikEdUsing == true) && (text != '') ) {
if (text.lastIndexOf(wikEdSummaryUsing) < 0) {
text += ' ' + wikEdSummaryUsing;
}
}
wikEdSummaryText.value = text;

// submit
wikEdSaveButton.click();

return;
}


//
// 'Show preview' onclick handler
//

function WikEdPreviewButtonHandler(event) {
if (wikEdUseWikEd == true) {
WikEdUpdateTextarea();
}
return;
}


//
// 'Show changes' onclick handler
//

function WikEdDiffButtonHandler(event) {
if (wikEdFullScreenMode == true) {
WikEdFullScreen(false);
}
if (wikEdUseWikEd == true) {
WikEdUpdateTextarea();
}
return;
}


//
// local 'Show preview' image button onclick handler
//

function WikEdLocalPreviewHandler(event) {
event.preventDefault();
WikEdButton('wikEdLocalPreview');
return;
}


//
// local 'Show changes' image button onclick handler
//

function WikEdLocalDiffHandler(event) {
event.preventDefault();
WikEdButton('wikEdLocalDiff');
return;
}


//
// clear the summary onclick handler
//

function WikEdClearSummaryHandler(event) {
event.preventDefault();

// clear the summary if it is only a paragraph name
if ( /^\/\* .*? \*\/ *$/.test(wikEdSummaryText.value) ) {
wikEdSummaryText.value = '';
}

// clear the summary but leave paragraph names
else {
wikEdSummaryText.value = wikEdSummaryText.value.replace(/^((\/\* .*? \*\/ *)?).*/,
function (p, p1, p2) {
if (p1.length > 0) {
p1 = p1 + ' ';
}
return(p1);
}
);
}
wikEdSummaryText.focus();
return;
}


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

function WikEdSetLogo(state) {

if (state == 'error') {
wikEdLogo.src = wikEdImage['error'];
wikEdLogo.alt = wikEdText['wikEdLogo error alt'];
wikEdLogo.title = wikEdText['wikEdLogo error title'];
}
else {
if (wikEdDisabled == true) {
wikEdLogo.src = wikEdImage['disabled'];
wikEdLogo.alt = wikEdText['wikEdLogo disabled alt'];
wikEdLogo.title = wikEdText['wikEdLogo disabled title'];
}
else {
wikEdLogo.src = wikEdImage['logo'];
wikEdLogo.alt = wikEdText['wikEdLogo alt'];
wikEdLogo.title = wikEdText['wikEdLogo title'];
}
}

wikEdLogo.title = wikEdLogo.title.replace(/\{wikEdProgramVersion\}/g, wikEdProgramVersion);
wikEdLogo.title = wikEdLogo.title.replace(/\{wikEdProgramDate\}/g, wikEdProgramDate);

return;
}


//
// MakeButtonBar: generate button bar html code
//

function MakeButtonBar(bar) {

var div = document.createElement('div');
div.id = bar[0];
div.className = bar[1];
var html = '';
for (var property in bar[2]) {
switch (bar[2][property]) {
case 'br':
html += '<br />';
break;
case 'find':
html += '<span class="wikEdFindComboInput" id="wikEdFindComboInput">';
html += '<input class="wikEdCombo" id="wikEdFindText" 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>';
break;
case 'replace':
html += '<span class="wikEdReplaceComboInput" id="wikEdReplaceComboInput">';
html += '<input class="wikEdCombo" id="wikEdReplaceText" 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>';
break;
default:
var currButton = wikEdButton[bar[2][property]];
if ( (currButton[0] != 'wikEdSource') || (wikEdShowSourceButton == true) ) {
html += '<img id="' + currButton[0] + '" class="' + currButton[1] + '" title="' + currButton[2] + '" src="' + currButton[3] + '" width="' + currButton[4] + '" height="' + currButton[5] + '" alt="' + currButton[6] + '" onClick="' + currButton[7] + '">';
}
break;
}
}
div.innerHTML = html;
return(div);
}


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

function WikEdSetEditArea(useFrame, notFrame) {

// turn rich text frame on
if (useFrame == true) {
wikEdTextareaWrapper.style.position = 'absolute';
wikEdTextareaWrapper.style.visibility = 'hidden';
wikEdTextarea.style.display = 'none';

if (notFrame != true) {
wikEdFrameWrapper.style.position = 'static';
wikEdFrameWrapper.style.visibility = 'visible';
wikEdFrameBody.style.display = 'block';
}

if (document.getElementById('toolbar') != null) {
if (wikEdShowToolbar == true) {
document.getElementById('toolbar').style.display = 'block';
}
else {
document.getElementById('toolbar').style.display = 'none';
}
}
wikEdButtonsFormat.style.display = 'block';
if (wikEdButtonsCustom1 != null) {
wikEdButtonsCustom1.style.display = 'block';
}
wikEdButtonsFind.style.display = 'block';
wikEdButtonsFix.style.display = 'block';
if (wikEdButtonsCustom2 != null) {
wikEdButtonsCustom2.style.display = 'block';
}
wikEdButtonsControl.style.display = 'block';
}

// turn classic textarea on
else {
if (notFrame != true) {
wikEdFrameWrapper.style.position = 'absolute';
wikEdFrameWrapper.style.visibility = 'hidden';
wikEdFrameBody.style.display = 'none';
}

wikEdTextareaWrapper.style.position = 'static';
wikEdTextareaWrapper.style.visibility = 'visible';
wikEdTextarea.style.display = 'block';

if (document.getElementById('toolbar') != null) {
document.getElementById('toolbar').style.display = 'block';
}
wikEdButtonsFormat.style.display = 'none';
if (wikEdButtonsCustom1 != null) {
wikEdButtonsCustom1.style.display = 'none';
}
wikEdButtonsFind.style.display = 'none';
wikEdButtonsFix.style.display = 'none';
if (wikEdButtonsCustom2 != null) {
wikEdButtonsCustom2.style.display = 'none';
}
wikEdButtonsControl.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;
obj.html = obj.html.replace(/(<br\b[^>]*>)\n* */g, '$1');
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 />');
var cookieExpire = new Date();
cookieExpire.setTime(cookieExpire.getTime() - 60 * 60 * 1000);
WikEdSetCookie('wikEdSyntaxOff', '', cookieExpire.toGMTString(), '/');
}
else {
wikEdHighlightSyntax = false;
WikEdRemoveHighlighting(obj);
obj.html = obj.html.replace(/(\t)/g, '<span class="wikEdTabPlain">$1</span><!--wikEdTabPlain-->');
WikEdSetCookie('wikEdSyntaxOff', 'true', null, '/');
}
wikEdFrameBody.innerHTML = obj.html;
break;

// align textbox with display top
case 'wikEdScrollToInput':
case 'wikEdScrollToInput2':
case 'wikEdScrollToInput3':
case 'wikEdScrollToInput4':
var wikEdInputWrapper = document.getElementById('wikEdInputWrapper');
var inputWrapperTop = WikEdGetOffsetTop(wikEdInputWrapper);
window.scroll(0, inputWrapperTop);
break;

// align edit buttons with display top
case 'wikEdScrollToButtons':
case 'wikEdScrollToButtons2':
case 'wikEdScrollToButtons3':
case 'wikEdScrollToButtons4':
var wikEdConsoleWrapper = document.getElementById('wikEdConsoleWrapper');
var consoleWrapperTop = WikEdGetOffsetTop(wikEdConsoleWrapper);
window.scroll(0, consoleWrapperTop);
break;

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

// display local preview box
case 'wikEdPreview':
case 'wikEdPreview2':
case 'wikEdLocalPreview':
if (wikEdFullScreenMode == true) {
WikEdFullScreen(false);
}
if (wikEdUseWikEd == true) {
WikEdUpdateTextarea();
}
wikEdPreviewBox.innerHTML = wiki2html(wikEdTextarea.value);
wikEdLocalPrevWrapper.style.display = 'block';
break;

// display local diff box
case 'wikEdDiff':
case 'wikEdDiff2':
case 'wikEdLocalDiff':
if (wikEdFullScreenMode == true) {
WikEdFullScreen(false);
}
if (wikEdUseWikEd == true) {
WikEdUpdateTextarea();
}
var diffText = wikEdTextarea.value;
diffText = StringDiff(wikEdOrigVersion, diffText);
wikEdPreviewBox.innerHTML = diffText;
wikEdLocalPrevWrapper.style.display = 'block';
break;

// close the preview / diff box
case 'wikEdClose':
case 'wikEdClose2':
wikEdLocalPrevWrapper.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);
wikEdUseWikEd = true;
var cookieExpire = new Date();
cookieExpire.setTime(cookieExpire.getTime() - 60 * 60 * 1000);
WikEdSetCookie('wikEdUseClassic', '', cookieExpire.toGMTString(), '/');
}

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

// turn classic textarea on
WikEdSetEditArea(false);
wikEdUseWikEd = false;
WikEdSetCookie('wikEdUseClassic', 'true', null, '/');
}
break;


// add "using wikEd" to summaries
case 'wikEdUsing':
if (buttonObj.checked == true) {
wikEdUsing = true;
WikEdSetCookie('wikEdSummaryUsing', 'true', null, '/');
}
else {
wikEdUsing = false;
var cookieExpire = new Date();
cookieExpire.setTime(cookieExpire.getTime() - 60 * 60 * 1000);
WikEdSetCookie('wikEdSummaryUsing', '', cookieExpire.toGMTString(), '/');
}
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-you-type search button
case 'wikEdFindAhead':
break;

// switch to fullscreen edit area
case 'wikEdFullScreen':
if (buttonObj.checked == true) {
WikEdFullScreen(true);
WikEdSetCookie('wikEdFullscreen', 'true', null, '/');
}
else {
WikEdFullScreen(false);
var cookieExpire = new Date();
cookieExpire.setTime(cookieExpire.getTime() - 60 * 60 * 1000);
WikEdSetCookie('wikEdFullscreen', '', cookieExpire.toGMTString(), '/');
}
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 time consuming than WikEdButton()
//

function WikEdEditButton(whichButton, parameterArray, CustomHandler) {

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

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

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

// select the appropriate text change targets (whole, selection, cursor, focusWord, focusLine, selectionWord, or selectionLine)
var obj = {};
obj.changed = {};

switch (whichButton) {

// undo: cursor (dummy)
case 'wikEdUndo':
case 'wikEdRedo':
WikEdGetText(obj, 'cursor');
obj.changed = obj.cursor;
break;

// whole text changes: whole
case 'wikEdUndoAll':
case 'wikEdRedoAll':
WikEdGetText(obj, 'whole');
obj.changed = obj.whole;
break;

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

// reference: selection / cursor
case 'wikEdRef':
WikEdGetText(obj, 'selection, cursor');
if (obj.selection.plain != '') {
obj.changed = obj.selection;
}
else {
obj.changed = obj.cursor;
}
break;

// references and small references: selection / cursor
case 'wikEdReferences':
case 'wikEdReferencesSection':
WikEdGetText(obj, 'selection, cursor');
if (obj.selection.plain != '') {
obj.changed = obj.selection;
}
else {
obj.changed = obj.cursor;
}
break;

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

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

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

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

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

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

// textify: selection / whole, without wikifying
case 'wikEdTextify':
WikEdGetText(obj, 'selection', true);
if (obj.selection.plain != '') {
obj.changed = obj.selection;
}
else {
WikEdGetText(obj, 'whole', true);
obj.changed = obj.whole;
}
break;

// redirect: whole
case 'wikEdRedirect':
WikEdGetText(obj, 'whole, selection, cursor');
if (obj.selection.plain == '') {
WikEdGetText(obj, 'selectionWord');
}
obj.changed = obj.whole;
break;

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

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

// find all: selection
case 'wikEdFindAll':
WikEdGetText(obj, 'selection');
break;

// replace all: selection / whole
case 'wikEdReplaceAll':
WikEdGetText(obj, 'selection');
if (obj.selection.plain != '') {
obj.changed = obj.selection;
}
else {
WikEdGetText(obj, 'whole');
obj.changed = obj.whole;
}
break;

// jump to top or bottom: cursor (dummy)
case 'wikEdUpdown':
WikEdGetText(obj, 'cursor');
obj.changed = obj.cursor;
break;

// jump to previous or last position: selection, cursor

case 'wikEdPrevPos':
case 'wikEdLastPos':
WikEdGetText(obj, 'selection, cursor');
if (obj.selection.plain != '') {
obj.changed = obj.selection;
}
else {
obj.changed = obj.cursor;
}
break;

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

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

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

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

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

// custom edit functions have to call WikEdGetText() themselves
default:
WikEdGetText(obj, 'cursor');
obj.changed = obj.cursor;
break;
}

// 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');
}
obj.changed.plain = obj.changed.plain.replace(/\'{6,}/g, '\'\'\'\'\'');
break;

// italic
case 'wikEdItalic':
if ( /(\'{3,})\'\'([^\'].*?)\'\'(\'{3,})/.test(obj.changed.plain) ) {
obj.changed.plain = obj.changed.plain.replace(/(\'{3,})\'\'([^\'].*?)\'\'(\'{3,})/g, '$1$2$3');
}
else if ( /(^|[^\'])\'\'([^\'].*?)\'\'([^\']|$)/.test(obj.changed.plain) ) {
obj.changed.plain = obj.changed.plain.replace(/(^|[^\'])\'\'([^\'].*?)\'\'([^\']|$)/g, '$1$2$3');
}
else {
obj.changed.plain = '\'\'' + obj.changed.plain + '\'\'';
obj.changed.plain = obj.changed.plain.replace(/(\'\')( *)(.*?)( *)(\'\')/, '$2$1$3$5$4');
}
obj.changed.plain = obj.changed.plain.replace(/\'{6,}/g, '\'\'\'\'\'');
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;/gi, '$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;

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

// nowiki
case 'wikEdNowiki':
if ( /&lt;nowiki&gt;(.*?)&lt;\/nowiki&gt;/i.test(obj.changed.plain) ) {
obj.changed.plain = obj.changed.plain.replace(/&lt;nowiki&gt;(.*?)&lt;\/nowiki&gt;/gi, '$1');
}
else {
obj.changed.plain = '&lt;nowiki&gt;' + obj.changed.plain + '&lt;\/nowiki&gt;';
obj.changed.plain = obj.changed.plain.replace(/(&lt;nowiki&gt;)( *)(.*?)( *)(&lt;\/nowiki&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;/gi, '$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;/gi, '$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;

// in-text reference
case 'wikEdRef':
if (obj.changed.plain == '') {
obj.changed.plain = '&lt;ref name=\"\"/&gt;';
}
else if ( /&lt;ref name=\"\" ?\/&gt;/i.test(obj.changed.plain) ) {
obj.changed.plain = '';
}
else if ( /&lt;ref( name=\"\")?&gt;(.*?)&lt;\/ref&gt;/i.test(obj.changed.plain) ) {
obj.changed.plain = obj.changed.plain.replace(/&lt;ref( name=\"\")?&gt;(.*?)&lt;\/ref&gt;/gi, '$2');
}
else {
obj.changed.plain = '&lt;ref name=\"\"&gt;' + obj.changed.plain + '&lt;/ref&gt;';
obj.changed.plain = obj.changed.plain.replace(/(&lt;ref name=\"\"&gt;)( *)(.*?)( *)(&lt;\/ref&gt;)/, '$2$1$3$5$4');
}
break;

// references location
case 'wikEdReferences':
case 'wikEdReferencesSection':
var ref = wikEdText['wikEdReferencesSection'];
ref = ref.replace(/</g, '&lt;');
ref = ref.replace(/>/g, '&gt;');
var refEscaped = ref;
refEscaped = refEscaped.replace(/([^\w\s\;\&])/g, '\\$1');
refEscaped = refEscaped.replace(/^\n|\n$/g, '\\n*');
refEscaped = refEscaped.replace(/(\n)/g, '\\n');
var regExp = new RegExp(refEscaped, 'gi');

// plain references tag
if (whichButton == 'wikEdReferences') {
if (obj.changed.plain == '') {
obj.changed.plain = '&lt;references/&gt;';
}
else if (regExp.test(obj.changed.plain)) {
obj.changed.plain = obj.changed.plain.replace(regExp, '');
}
else if ( /&lt;references ?\/&gt;/i.test(obj.changed.plain) ) {
obj.changed.plain = obj.changed.plain.replace(/&lt;references ?\/&gt;/gi, '');
}
else {
obj.changed = obj.cursor;
obj.changed.plain = '&lt;references/&gt;';
}
}

// complete references code
else {
if (obj.changed.plain == '') {
obj.changed.plain = ref;
}
else if (regExp.test(obj.changed.plain)) {
obj.changed.plain = obj.changed.plain.replace(regExp, '');
}
else if ( /&lt;references ?\/&gt;/i.test(obj.changed.plain) ) {
obj.changed.plain = obj.changed.plain.replace(/&lt;references ?\/&gt;/gi, '');
}
else {
obj.changed = obj.cursor;
obj.changed.plain = ref;
}
}
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">' + wikEdText['image filename'] + '</span>|thumb|<span class="wikEdInsertHere">' + wikEdText['image width'] + '</span>px|' + obj.changed.plain + ']]';
}
else {
obj.changed.plain = '[[Image:<span class="wikEdInsertHere">' + wikEdText['image filename'] + '</span>|thumb|<span class="wikEdInsertHere">' + wikEdText['image width'] + '</span>px|<span class="wikEdInsertHere"> </span>]]';
if (obj.focusWord.plain != '') {
obj.changed.plain = ' ' + obj.changed.plain + ' ';
}
}
break;

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


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

// redirect
case 'wikEdRedirect':
var linkTarget;
if (obj.selection.plain != '') {
linkTarget = obj.selection.plain;
}
else if (obj.selectionWord.plain != '') {
linkTarget = obj.selectionWord.plain;
}
else {
linkTarget = '<span class="wikEdInsertHere">' + wikEdText['redirect 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 + ']]';

// append to summary
if ( (obj.selection.plain != '') || (obj.selectionWord.plain != '') ) {
wikEdInputElement['summary'].value =
WikEdAppendToSummary(wikEdInputElement['summary'].value, '#redirect [[' + linkTarget + ']]');
}
else {
wikEdInputElement['summary'].value =
WikEdAppendToSummary(wikEdInputElement['summary'].value, '#redirect');
}
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;
var regExpFind;

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

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

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

// 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;
}
}

// 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') ||
(whichButton == 'wikEdFindAll')
) {
if (replacedFlag == false) {

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

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

// find all
if (whichButton == 'wikEdFindAll') {
var found;
var foundRanges = [];

// start at top of text
obj.sel.removeAllRanges();
var range = document.createRange();
range.setStartBefore(wikEdFrameBody.firstChild);
range.collapse(true);
range = obj.sel.addRange(range);

// cycle through matches
var frameScrollTop = wikEdFrameBody.scrollTop;
do {
if (wikEdRegExp.checked == true) {
found = WikEdFind(obj, findText, caseSensitive, false, regExpFind);
}
else {
found = WikEdFind(obj, findText, caseSensitive, false, null);
}
if (found == true) {
foundRanges.push(obj.changed.range.cloneRange());
}
} while (found == true);

// scroll back
if (wikEdRegExp.checked == false) {
wikEdFrameBody.scrollTop = frameScrollTop;
}

// add the found ranges
obj.sel.removeAllRanges();
for (range in foundRanges) {
obj.sel.addRange(foundRanges[range]);
}
obj.changed.plain = null;
}

// normal find
else {
if (wikEdRegExp.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') || (whichButton == 'wikEdFindAll') ) {
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) {

// done by undo + redo, redo later after scrolling to changed position
WikEdFrameExecCommand('undo');
wikEdPrevRange = obj.changed.range.cloneRange();
obj.changed.range = obj.sel.getRangeAt(obj.sel.rangeCount - 1);
}
obj.changed.plain = null;
break;

// jump back to last position
case 'wikEdLastPos':
if (wikEdPrevRange != null) {
obj.changed.range = wikEdPrevRange.cloneRange();
wikEdPrevRange = 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 'wikEdFixRegExTypo':
if (typeof(AWRegExTypoFix) == 'function') {
var objFix = {}
objFix.str = obj.changed.plain;
AWRegExTypoFix(objFix);
obj.changed.plain = objFix.str;
}
else {
obj.changed.plain = null;
}
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;');

// single string to insert
if ( (tagOpen.length > 0) && (tagClose.length == 0) && (sampleText.length == 0) ) {
obj.changed = obj.cursor;
obj.changed.plain = tagOpen;
}

// opening and closing strings
else if ( (obj.changed.plain == '') && (sampleText.length > 0) ) {
obj.changed.plain = tagOpen + sampleText + tagClose;
}
else {
obj.changed.plain = tagOpen + obj.changed.plain + tagClose;
}
break;

// custom edit functions
default:
if (CustomHandler != null) {
CustomHandler(obj);
}
else {
alert('Unknown edit function \'' + whichButton + '\'');
}
break;
}

// update the selection only, do not change the text
if (obj.changed.plain == null) {
if (whichButton != 'wikEdFindAll') {
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) {
plainText = plainText.replace(/\n/g, '');
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, '<span class="wikEdTabPlain">$1</span><!--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 frameScrollTop;
if (obj.changed.from == 'whole') {
frameScrollTop = 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 = frameScrollTop;
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) {
plainText = plainText.replace(/\n/g, '');

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

// finish jump to prev position after scrolling to changed position
if (whichButton == 'wikEdPrevPos') {
WikEdFrameExecCommand('redo');
}

// 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 (wikEdUseWikEd == true) {
wikEdFrameWindow.focus();
}

return;
}


//
// WikEdGetText: get the text fragments to manipulate
//

function WikEdGetText(obj, whichFragment, noWikify) {

// get selection object
if (obj.sel == null) {
obj.sel = wikEdFrameWindow.getSelection();
}

// cursor for the cursor position (always done)
if (obj.cursor == null) {
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 = '';
}

// whole for the whole text
if (obj.whole == null) {
if (/whole|selectionWord|selectionLine|focusWord|focusLine/.test(whichFragment) == true) {
obj.whole = {};
obj.whole.plainArray = [];
obj.whole.plainNode = [];
obj.whole.plainStart = [];
obj.whole.from = 'whole';

// set 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, noWikify);
obj.whole.plain = obj.whole.html;
obj.whole.plain = obj.whole.plain.replace(/<br\b[^>]*>/g, '\n');
obj.whole.plain = obj.whole.plain.replace(/\u00a0/g, ' ');
}
}

// selection for the selected text
if (obj.selection == null) {
if (/selection\b|selectionWord|selectionLine/.test(whichFragment) == true) {
obj.selection = {};
obj.selection.from = 'selection';

// copy range to document fragment
obj.selection.range = obj.sel.getRangeAt(obj.sel.rangeCount - 1);
var documentFragment = obj.selection.range.cloneContents();

// get selected text
WikEdGetInnerHTML(obj.selection, documentFragment);
obj.selection.code = obj.selection.html;
WikEdRemoveHighlightingWikify(obj.selection, noWikify);
obj.selection.plain = obj.selection.html;
obj.selection.plain = obj.selection.plain.replace(/<br\b[^>]*>/g, '\n');
obj.selection.plain = obj.selection.plain.replace(/\u00a0/g, ' ');
}
}

// focusWord and focusLine for the complete words and lines under the cursor
if (obj.focusWord == null) {
if (/focusWord|focusLine/.test(whichFragment) == true) {
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();

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

// 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, noWikify);
obj.focusWord.plain = obj.focusWord.html;
obj.focusWord.plain = obj.focusWord.plain.replace(/<br\b[^>]*>/g, '\n');
obj.focusWord.plain = obj.focusWord.plain.replace(/\u00a0/g, ' ');

// 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, noWikify);
obj.focusLine.plain = obj.focusLine.html;
obj.focusLine.plain = obj.focusLine.plain.replace(/<br\b[^>]*>/g, '\n');
obj.focusLine.plain = obj.focusLine.plain.replace(/\u00a0/g, ' ');
}
}

// selectionWord and selectionLine for the complete words and lines under the selection
if (obj.selectionWord == null) {
if (/selectionWord|selectionLine/.test(whichFragment) == true) {

// 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 word and line boundaries
WikEdFindBoundaries(obj.selectionWord, obj.selectionLine, obj.whole, obj.selection);

// 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, noWikify);
obj.selectionWord.plain = obj.selectionWord.html;
obj.selectionWord.plain = obj.selectionWord.plain.replace(/<br\b[^>]*>/g, '\n');
obj.selectionWord.plain = obj.selectionWord.plain.replace(/\u00a0/g, ' ');

// 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, noWikify);
obj.selectionLine.plain = obj.selectionLine.html;
obj.selectionLine.plain = obj.selectionLine.plain.replace(/<br\b[^>]*>/g, '\n');
obj.selectionLine.plain = obj.selectionLine.plain.replace(/\u00a0/g, ' ');
}
}
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);
var found = false;

// 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)
found = wikEdFrameWindow.find(findText, caseSensitive, backwards, false, false, false, false);
if (found == false) {
obj.changed.range = range.cloneRange();
obj.changed.range.collapse(backwards);
}
else {
range = obj.sel.getRangeAt(obj.sel.rangeCount - 1);
obj.changed.range = range.cloneRange();
}
}

// slow javascript regexp find and replace
else {

// perform find
if (obj.plainArray === undefined) {
WikEdParseDOM(obj, wikEdFrameBody);
}
var regExpMatch = [];

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

// set start position for search to right
regExpMatch = regExp.exec(obj.plain);
regExp.lastIndex = obj.plainFocus;

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

// remember position for repeated searches
obj.plainFocus = regExp.lastIndex;

// collapse the selection to its end for no find
if (regExpMatch == null) {
obj.changed.range = range.cloneRange();
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 = range.cloneRange();
obj.changed.range.collapse(true);
}
}

// select the find
if (regExpMatch != null) {
found = true;
var i = 0;
while ( (obj.plainStart[i + 1] <= regExpMatch.index) && (obj.plainStart[i + 1] != null) ) {
i ++;
}
var 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(found);
}


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

// trim down \u0000 and \n
obj.plain = obj.plain.replace(/\u0000+/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 (wikEdPrevRange != null ) {
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 (wikEdPrevRange != 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+(=+) *([^\n]*?) *(=+)(?=\n)\n*/g, '\n\n$1 $2 $3\n\n');

// uppercase well known headings
var regExp = new RegExp('\\n=+ ' + wikEdText['External links'] + '? =+\\n', 'gi');
obj.plain = obj.plain.replace(regExp, '\n== ' + wikEdText['External links'] + ' ==\n');
regExp = new RegExp('\\n=+ ' + wikEdText['See also'] + ' =+\\n', 'gi');
obj.plain = obj.plain.replace(regExp, '\n== ' + wikEdText['See also'] + ' ==\n');
regExp = new RegExp('\\n=+ ' + wikEdText['References'] + '? =+\\n', 'gi');
obj.plain = obj.plain.replace(regExp, '\n== ' + wikEdText['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
var regExp = new RegExp('^(\\[\\[' + wikEdText['wikicode Image'] + ':.*?\\]\\])', 'ig');
line = line.replace(regExp, '\n$1');

regExp = new RegExp('(\\[\\[' + wikEdText['wikicode Image'] + ':.*?(\\[\\[.*?\\]\\].*?)*\\]\\])$', 'ig');
line = line.replace(regExp, '$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
var regExp = new RegExp('( |\\n)*(\\[\\[' + wikEdText['wikicode Category'] + ':[^\\n]*?\\]\\])( |\\n)*', 'gi');
obj.plain = obj.plain.replace(regExp, '\n\n$2\n\n');

// categories not separated by empty lines (lookahead)
regExp = new RegExp('(\\[\\[category:[^\\n]*?\\]\\])\\n*(?=\\[\\[' + wikEdText['wikicode Category'] + ':[^\\n]*?\\]\\])', 'gi');
obj.plain = obj.plain.replace(regExp, '$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 (var 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 in IE6: change decimal, hex, and chars into character entities
for (var 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 (var 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 supported in IE6
// 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
//

function WikEdFixUnits(obj) {

WikEdFixBasic(obj);

// convert into actual characters
obj.plain = obj.plain.replace(/&amp;deg;|&amp;#00b0;/g, '°');
obj.plain = obj.plain.replace(/&amp;#00b5;|&amp;mu;|&amp;micro;/g, 'µ');
obj.plain = obj.plain.replace(/&amp;Omega;|&amp;#8486;/g, '\u03a9');

// add space before units, remove space around /, and use abreviations
obj.plain = obj.plain.replace(/( *\/ *|\d *)(Y|yotta|Z|zetta|E|exa|P|peta|T|tera|G|giga|M|mega|k|kilo|K|h|hecto|da|deca|d|deci|c|centi|m|mill?i|micro|u|µ|n|nano|p|pico|f|femto|a|atto|z|zepto|y|yocto|mibi|mebi|)(gramm?s?|g|metres?|meters?|m|amperes?|Amperes?|amps?|Amps?|A|Angstroms?|Angströms?|Å|Kelvins?|kelvins?|K|moles?|Moles?|mol|candelas?|cd|rad|Ci|sr|Hert?z|hert?z|Hz|newtons?|Newtons?|N|Joules?|joules?|J|watts?|Watts?|W|pascals?|Pascals?|Pa|lm|lx|C|volts?|Volts?|V|O|Farads?|F|Wb|T|H|S|bequerels?|Bequerels?|Bq|Gy|Sv|kat|centigrades?|°C|decibels?|db|dB|M|ohms?|Ohms?|\u03a9|sec|seconds?|s|minutes?|min|hour?|h|bits?|Bits?|bit|bytes?|Bytes?|B|bps|Bps)(?=\W|$)/g,
function (p, p1, p2, p3) {

p1 = p1.replace(/ *\/ */g, '/');
p1 = p1.replace(/(\d) */g, '$1 ');

p2 = p2.replace(/yotta/g, 'Y');
p2 = p2.replace(/zetta/g, 'Z');
p2 = p2.replace(/exa/g, 'E');
p2 = p2.replace(/peta/g, 'P');
p2 = p2.replace(/tera/g, 'T');
p2 = p2.replace(/giga/g, 'G');
p2 = p2.replace(/mega/g, 'M');
p2 = p2.replace(/kilo/g, 'k');
p2 = p2.replace(/K/g, 'k');
p2 = p2.replace(/hecto/g, 'h');
p2 = p2.replace(/deca/g, 'da');
p2 = p2.replace(/deci/g, 'd');
p2 = p2.replace(/centi/g, 'c');
p2 = p2.replace(/mill?i/g, 'm');
p2 = p2.replace(/micro|u/g, 'µ');
p2 = p2.replace(/nano/g, 'n');
p2 = p2.replace(/pico/g, 'p');
p2 = p2.replace(/femto/g, 'f');
p2 = p2.replace(/atto/g, 'a');
p2 = p2.replace(/zepto/g, 'z');
p2 = p2.replace(/yocto/g, 'y');
p2 = p2.replace(/mibi/g, 'mebi');

p3 = p3.replace(/gramm?s?/g, 'g');
p3 = p3.replace(/metres?|meters?/g, 'm');
p3 = p3.replace(/amperes?|Amperes?|amps?|Amps?/g, 'A');
p3 = p3.replace(/Angstroms?|Angströms?/g, 'Å');
p3 = p3.replace(/Kelvins?|kelvins?/g, 'K');
p3 = p3.replace(/moles?|Moles?/g, 'mol');
p3 = p3.replace(/candelas?/g, 'cd');
p3 = p3.replace(/Hert?z|hert?z/g, 'Hz');
p3 = p3.replace(/newtons?|Newtons?/g, 'N');
p3 = p3.replace(/Joules?|joules?/g, 'J');
p3 = p3.replace(/watts?|Watts?/g, 'W');
p3 = p3.replace(/pascals?|Pascals?/g, 'Pa');
p3 = p3.replace(/volts?|Volts?/g, 'V');
p3 = p3.replace(/ohms?|Ohms?/g, '\u03a9');
p3 = p3.replace(/bequerels?|Bequerels?/g, 'Bq');
p3 = p3.replace(/Farads?/g, 'F');
p3 = p3.replace(/bits?|Bits?/g, 'bit');
p3 = p3.replace(/bytes?|Bytes?/g, 'B');
p3 = p3.replace(/sec|seconds?/g, 's');
p3 = p3.replace(/minutes?/g, 'min');
p3 = p3.replace(/hours?/g, 'h');
p3 = p3.replace(/sec|seconds?/g, 's');
p3 = p3.replace(/bps/g, 'bit/s');
p3 = p3.replace(/Bps/g, 'B/s');

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

// fix prefix casing
obj.plain = obj.plain.replace(/ K(bit\/s|B\/s)(\W|$)/g, ' k$1$2');
obj.plain = obj.plain.replace(/ m(bit\/s|B\/s)(\W|$)/g, ' M$1$2');
obj.plain = obj.plain.replace(/ g(bit\/s|B\/s)(\W|$)/g, ' G$1$2');
obj.plain = obj.plain.replace(/ t(bit\/s|B\/s)(\W|$)/g, ' T$1$2');
obj.plain = obj.plain.replace(/ e(bit\/s|B\/s)(\W|$)/g, ' E$1$2');

return;
}


//
// WikEdFixDashes: dash fixer - 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(/&amp;mdash;/g, '—');
obj.plain = obj.plain.replace(/&amp;ndash;/g, '–');
obj.plain = obj.plain.replace(/&amp;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\'\"”\]\}\)]) *(--|—|&amp;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\'\"”\]\}])( |&amp;nbsp;)+(\u2212|–|&amp;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(/([ \(][12]\d\d\d) ?(--?|—|&amp;mdash;) ?([12]\d\d\d|\d\d)([ \),.;])/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, keep user added attribute
WikEdWikifyHTML(obj, true);

// 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
regExp = new RegExp('(\\[\\[)' + wikEdText['wikicode Image'] + ':(\\w)([^\\n]*\\]\\])', 'igm');
obj.plain = obj.plain.replace(regExp,
function (p, p1, p2, p3) {
return(p1 + wikEdText['wikicode 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 (var property in tagNameArray) {
var elementArray = wikEdFrameDocument.getElementsByTagName(tagNameArray[property]);
for (var 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 (var 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 (var 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 (var 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, noWikify) {

if (obj.html != '') {

// remove syntax highlighting
WikEdRemoveHighlighting(obj);

// wikify, don't allow many attributes
if ( (obj.htmlCode == true) && (noWikify != true) ) {
WikEdWikifyHTML(obj, false);
}
}
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, relaxed) {

var regExpStr;
var regExp;
var regExpMatch;

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

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

// 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('\u0000\u0000');
}
isRemove.push(false);
return(p1);
}
if (isRemove.pop() == true) {
return('\u0000\u0000');
}
return(p1);
}
);

// 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(/(\n|\u0000|\s)*<hr\b[^>]*>(\n|\u0000|\s)*/i, '\u0000\u0000----\u0000\u0000');

// <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\u0000]*<h1\b[^>]*>(.*?)<\/h1>[\s\u0000]*/g, '\u0000\u0000= $1 =\u0000\u0000');
obj.html = obj.html.replace(/[\s\u0000]*<h2\b[^>]*>(.*?)<\/h2>[\s\u0000]*/g, '\u0000\u0000== $1 ==\u0000\u0000');
obj.html = obj.html.replace(/[\s\u0000]*<h3\b[^>]*>(.*?)<\/h3>[\s\u0000]*/g, '\u0000\u0000=== $1 ===\u0000\u0000');
obj.html = obj.html.replace(/[\s\u0000]*<h4\b[^>]*>(.*?)<\/h4>[\s\u0000]*/g, '\u0000\u0000==== $1 ====\u0000\u0000');
obj.html = obj.html.replace(/[\s\u0000]*<h5\b[^>]*>(.*?)<\/h5>[\s\u0000]*/g, '\u0000\u0000===== $1 =====\u0000\u0000');
obj.html = obj.html.replace(/[\s\u0000]*<h6\b[^>]*>(.*?)<\/h6>[\s\u0000]*/g, '\u0000\u0000====== $1 ======\u0000\u0000');

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

// remove <thead> <tbody> <tfoot>
obj.html = obj.html.replace(/([\s\u0000])<\/?(thead|tbody|tfoot)\b[^>]*>[\s\u0000]*/g, '$1');

// remove <col></col> and <colgroup></colgroup>
obj.html = obj.html.replace(/[\s\u0000]*<(col)\b[^>]*>.*?<\/\1>[\s\u0000]*/g, '');
obj.html = obj.html.replace(/[\s\u0000]*<(colgroup)\b[^>]*>.*?<\/\1>[\s\u0000]*/g, '');

// line breaks in table cells
obj.html = obj.html.replace(/(<(td|th|caption)\b[^>]*>)(.*?)(<\/\2>)/g,
function(p, p1, p2, p3, p4) {
p3 = p3.replace(/^(\s|\u0000|<br\b[^>]*>)+/g, '');
p3 = p3.replace(/(\s|\u0000|<br\b[^>]*>)+$/g, '');
p3 = p3.replace(/<br\b[^>]*> */g, '&lt;br /&gt;');
return(p1 + p3 + p4);
}
);

// remove table closing tags
obj.html = obj.html.replace(/[\s\u0000]*<\/(tr|thead|tbody|tfoot)>[\s\u0000]*/g, '');

// <td> table cells
obj.html = obj.html.replace(/[\s\u0000]*<td>[\s\u0000]*/g, '\u0000| ');
obj.html = obj.html.replace(/[\s\u0000]*<(td) +([^>]*)>[\s\u0000]*/g,
function (p, p1, p2) {
p2 = WikEdSanitizeAttributes(p1, p2, relaxed);
if (p2 == '') {
return('\u0000| ');
}
else {
return('\u0000|' + p2 + ' | ');
}
}
);

// <th> table cells
obj.html = obj.html.replace(/[\s\u0000]*<th>[\s\u0000]*/g, '\u0000| ');
obj.html = obj.html.replace(/[\s\u0000]*<(th) +([^>]*)>[\s\u0000]*/g,
function (p, p1, p2) {
p2 = WikEdSanitizeAttributes(p1, p2, relaxed);
if (p2 == '') {
return('\u0000| ');
}
else {
return('\u0000|' + p2 + ' | ');
}
}
);

// <tr> table rows
obj.html = obj.html.replace(/[\s\u0000]*<tr>[\s\u0000]*/g, '\u0000|-\u0000');
obj.html = obj.html.replace(/[\s\u0000]*<(tr) +([^>]*)>[\s\u0000]*/g,
function (p, p1, p2) {
return('\u0000|-' + WikEdSanitizeAttributes(p1, p2, relaxed) + '\u0000');
}
);

// <caption> table caption
obj.html = obj.html.replace(/[\s\u0000]*<caption>[\s\u0000]*/g, '\u0000|+ ');
obj.html = obj.html.replace(/[\s\u0000]*<(caption) +([^>]*)>[\s\u0000]*/g,
function (p, p1, p2) {
p2 = WikEdSanitizeAttributes(p1, p2, relaxed);
if (p2 == '') {
return('\u0000|+ ');
}
else {
return('\u0000|+' + p2 + ' | ');
}
}
);

// remove closing tags
obj.html = obj.html.replace(/\s*<\/(td|th|caption)>\s*/g, '');

// line breaks in table cells (continued)
obj.html = obj.html.replace(/<br\b[^>]*>/g, '\u0000');

// <table>
obj.html = obj.html.replace(/[\s\u0000]*<table>[\s\u0000]*(\|-(?=[\n\u0000]))?/g, '\u0000\u0000{|\u0000');
obj.html = obj.html.replace(/[\s\u0000]*<(table) +([^>]*)>[\s\u0000]*(\|-(?=[\n\u0000]))?/g,
function (p, p1, p2) {
return('\u0000{|' + WikEdSanitizeAttributes(p1, p2));
}
);
obj.html = obj.html.replace(/[\s\u0000]*<\/table>[\s\u0000]*/g, '\u0000|}\u0000\u0000');

// 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[4];
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) {
var isbn = regExpMatch[4];
regExpMatch = /((\d\-?){13}|(\d\-?){10})/.exec(linkText);
if (regExpMatch != null) {
isbn = regExpMatch[1];
}
return('ISBN ' + isbn);
}
}
}

// 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[4];
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 + ']]');
}
}

// category link
var regExp = new RegExp('^' + wikEdText['wikicode Category'] + ':(.*)','i');
regExpMatch = regExp.exec(linkArticle);
if (regExpMatch != null) {
return('[[' + wikEdText['wikicode 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
var regExp = new RegExp('<span\\b[^>]*>(\\[\\[' + wikEdText['wikicode Category'] + ':[^\\]]+\\]\\])<\\/span>[\\s\\u0000\\|]*', 'gi');
obj.html = obj.html.replace(regExp, '$1\u0000');

// 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\u0000]/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('[[' + wikEdText['wikicode Image'] + ':' + imgLink + imgWidth + imgAlt + ']]');
}
}
return('');
}
);

// convert lists: * # : ;
var listObj = {};
listObj.prefix = '';
obj.html = obj.html.replace(/[\s\u0000]*<(\/?(ol|ul|li|dl|dd|dt))\b[^>]*>[\s\u0000]*/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\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(/[\n|\u0000]+[#\*:\;]+ (?=[\n|\u0000])/g, '');

// <> 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('');
}
}
);

// 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, relaxed) + p3 + '>');
}
);

// remove space-only lines
obj.html = obj.html.replace(/([\s\u0000]*\u0000[\s\u0000]*)/g,
function (p, p1) {
return(p1.replace(/\n/g, '\u0000'));
}
);
obj.html = obj.html.replace(/\u0000\s+(?=\u0000)/g, '\u0000');

// remove leading and trailing spaces
obj.html = obj.html.replace(/>\s+\u0000/g, '>\u0000');
obj.html = obj.html.replace(/\u0000\s+</g, '\u0000<');

// 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, '$1');
obj.html = obj.html.replace(/[\s\u0000]*<(blockquote|center|div|math|gallery|noinclude|includeonly|ref|references)\b[^>]*><\/\1>[\s\u0000]*/g, '\u0000\u0000');

// remove empty lines from div tags
obj.html = obj.html.replace(/(<div\b[^>]*>)[\s\u0000]+/g, '$1');
obj.html = obj.html.replace(/[\s\u0000]+(<\/div>)/g, '$1');

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

// newlines to <br />
obj.html = obj.html.replace(/\n{2,}\u0000+\n/g, '\n\n');
obj.html = obj.html.replace(/\n\u0000+\n{2,}/g, '\n\n');
obj.html = obj.html.replace(/\u0000+\n{2,}/g, '\n\n');
obj.html = obj.html.replace(/\n{2,}\u0000+/g, '\n\n');
obj.html = obj.html.replace(/\u0000+\n/g, '\n');
obj.html = obj.html.replace(/\n\u0000+/g, '\n');
obj.html = obj.html.replace(/\u0000{2,}/g, '\n\n');
obj.html = obj.html.replace(/\u0000/g, '\n');
obj.html = obj.html.replace(/\n/g, '<br />');

return;
}


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

function WikEdSanitizeAttributes(tag, attributes, relaxed) {
var common;
var tablealign;
var tablecell;
var table;
if (relaxed == true) {
common = 'lang|dir|style|class'; // not needed: id|title
tablealign = '|align|char|charoff|valign';
table = '|summary|width|border|frame|rules|cellspacing|cellpadding|align|bgcolor';
tablecell = '|abbr|axis|headers|scope|rowspan|colspan|nowrap|width|height|bgcolor';
}
else {
common = 'lang|dir';
table = '|border|cellspacing|cellpadding|align|bgcolor';
tablealign = '|align|valign';
tablecell = '|rowspan|colspan|nowrap|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;

// relaxed
if (relaxed == true) {
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 + table).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) {
}
}

// strict
else {
if ('center|em|strong|cite|code|var|sub|supdl|dd|dt|tt|b|i|big|small|strike|s|u|rb|rp|ruby|blockquote|pre|ins|del'.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 ('br'.indexOf(tag) >= 0) {
if ('clear'.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 + table).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' + 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 + '|color').indexOf(attrib) >= 0) { valid = true; }
}
else if ('hr'.indexOf(tag) >= 0) {
if ((common + '|noshade|size').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, ';');
}
else if (attrib == 'class') {
attribValue = attribValue.replace(/^Ms.*$/g, '');
}
if (attribValue != '') {
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) {

// &lt; and &gt; to \u0000 and \u0001
obj.html = obj.html.replace(/&lt;/g, '\u0000');
obj.html = obj.html.replace(/&gt;/g, '\u0001');

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

// nowiki (no html highlighting)
obj.html = obj.html.replace(/(\u0000nowiki\b.*?\u0001)(.*?)(\u0000\/nowiki\b.*?\u0001)/gi,
function (p, p1, p2, p3) {
p2 = p2.replace(/\u0000/g, '&lt;');
p2 = p2.replace(/\u0001/g, '&gt;');
return(p1 + p2 + p3);
}
);

// blocks

// 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');

// various blocks
if (singleLine != true) {
obj.html = obj.html.replace(/(\u0000(blockquote|center|div|pre)\b.*?\u0001)/gi, '<span class="wikEdBlock">$1');
obj.html = obj.html.replace(/(\u0000\/(blockquote|center|div|pre)\b.*?\u0001)/gi, '$1</span><!--wikEdBlock-->');
}

// 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(/(\u0000hr\u0001)/g, '<span class="wikEdHRInline">$1</span><!--wikEdHRInline-->');

// == headings
obj.html = obj.html.replace(/(^|\n|<[^>]*>)(=+ *)([^\n]*?)( *=+)(?=( |<[^>]*>)*(\n|$))/g,
function (p, p1, p2, p3, p4) {
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">';
p4 = p4 + '</span><!--wikEdHeadingWp-->';
}
else {
p1 = p1 + '<span class="wikEdHeading">';
p4 = p4 + '</span><!--wikEdHeading-->';
}
return(p1 + p2 + p3 + p4);
}
);

// 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(/(\u0000table\b.*?\u0001)/gi, '<span class="wikEdTableBlock">$1');
obj.html = obj.html.replace(/(\u0000\/table\b.*?\u0001)/gi, '$1</span><!--wikEdTableBlock-->');
}

// <gallery> wiki markup
if (singleLine != true) {
obj.html = obj.html.replace(/(\u0000(gallery)\b.*?\u0001)/gi, '<span class="wikEdWiki">$1');
obj.html = obj.html.replace(/(\u0000\/(gallery)\b.*?\u0001)/gi, '$1</span><!--wikEdWiki-->');
}

// various block tags
obj.html = obj.html.replace(/(\u0000\/?(blockquote|center|div|pre)\b.*?\u0001)/gi, '<span class="wikEdBlockTag">$1</span><!--wikEdBlockTag-->');

// <p> ... </p> pairs with (wikEdBlockTag) and withhout attributes (wikEdUnknown)
var isRemove = [];
obj.html = obj.html.replace(/(\u0000(\/?)p\b(.*?)\u0001)/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

// magic words
obj.html = obj.html.replace(/(__(NOTOC|FORCETOC|TOC|NOEDITSECTION|NEWSECTIONLINK|NOCONTENTCONVERT|NOCC|NOGALLERY|NOTITLECONVERT|NOTC|END|START)__)/g, '<span class="wikEdMagic">$1</span><!--wikEdMagic-->');

// <sup> </sub> <ins> <del>
obj.html = obj.html.replace(/(\u0000sup\b[^\u0001]*?\u0001(.*?)\u0000\/sup\b[^\u0001]*?\u0001)/gi, '<span class="wikEdSuperscript">$1</span><!--wikEdSuperscript-->');
obj.html = obj.html.replace(/(\u0000sub\b[^\u0001]*?\u0001(.*?)\u0000\/sub\b[^\u0001]*?\u0001)/gi, '<span class="wikEdSubscript">$1</span><!--wikEdSubscript-->');
obj.html = obj.html.replace(/(\u0000(ins|u)\b[^\u0001]*?\u0001(.*?)\u0000\/(ins|u)\b[^\u0001]*?\u0001)/gi, '<span class="wikEdIns">$1</span><!--wikEdIns-->');
obj.html = obj.html.replace(/(\u0000(del|s|strike)\b[^\u0001]*?\u0001(.*?)\u0000\/(del|s|strike)\b[^\u0001]*?\u0001)/gi, '<span class="wikEdDel">$1</span><!--wikEdDel-->');

// <ref/> wiki markup
obj.html = obj.html.replace(/(\u0000(ref\b[^\u0000\u0001]*?\/ *)\u0001)/gi, '<span class="wikEdRef">&lt;$2&gt;</span><!--wikEdRef-->');

// <ref> wiki markup
obj.html = obj.html.replace(/(\u0000ref\b[^\u0001]*?\u0001(.*?)\u0000\/ref\b[^\u0001]*?\u0001)/gi, '<span class="wikEdRef">$1</span><!--wikEdRef-->');

// various inline tags
obj.html = obj.html.replace(/(\u0000\/?(sub|sup|ins|u|del|s|strike|big|br|colgroup|code|font|small|span|tt|rb|rp|rt|ruby|ref)\b[^\u0001]*?\u0001)/gi, '<span class="wikEdInlineTag">$1</span><!--wikEdInlineTag-->');

// <math/> <noinclude/> <includeonly/> <references/> wiki markup
obj.html = obj.html.replace(/(\u0000((math|gallery|noinclude|includeonly|references)\b[^\u0001]*?\/ *)\u0001)/gi, '<span class="wikEdWiki">&lt;$2&gt;</span><!--wikEdWiki-->');

// <math> <noinclude> <includeonly> <references> wiki markup
obj.html = obj.html.replace(/(\u0000(math|gallery|noinclude|includeonly|references)\b[^\u0001]*?\u0001(.*?)(\u0000)\/\3\b[^\u0001]*?\u0001)/gi, '<span class="wikEdWiki">$1</span><!--wikEdWiki-->');

// unsupported or not needed <> tags
obj.html = obj.html.replace(/(\u0000\/?)(\w+)(.*?\/?\u0001)/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(/(\u0000!--.*?--\u0001)/g, '<span class="wikEdComment">$1</span><!--wikEdComment-->');

// 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);
}
);

// [[Image: ]] images
var regExpImg = new RegExp('(\\[\\[)(' + wikEdText['wikicode Image'] + ' *: *)([^\\]\\[\\|]*? *)(\\|(\\[[^\\]]*\\]|\\[\\[[^\\]]*\\]\\]|[^\\[\\]\\|]+|\\|)*)(\\]\\])', 'gi');
obj.html = obj.html.replace(regExpImg,
function (p, p1, p2, p3, p4, p5, p6) {
p1 = '<span class="wikEdImage">' + p1;
p6 = p6 + '</span><!--wikEdImage-->';
p2 = '<span class="wikEdImageName">' + p2;
p3 = p3 + '</span><!--wikEdImageName-->';

// parameters and capture
p4 = p4.replace(/((\[[^\]]\]|\[\[[^\]]\]\]|[^\]\|])+)/g,
function (p, p1) {
if (/^(thumb|thumbnail|frame|right|left|center|none|\d+px|\d+x\d+px)$/.test(p1) == true) {
p1 = '<span class="wikEdImageParam">' + p1 + '</span><!--wikEdImageParam-->';
}
else {
p1 = '<span class="wikEdImageCaption">' + p1 + '</span><!--wikEdImageCaption-->';
}
return(p1);
}
);

// link tags
p1 = p1.replace(/(\[+)/, '<span class="wikEdLinkTag">$1</span><!--wikEdLinkTag-->');
p6 = p6.replace(/(\]+)/, '<span class="wikEdLinkTag">$1</span><!--wikEdLinkTag-->');
p4 = p4.replace(/(\|)/g, '<span class="wikEdLinkTag">$1</span><!--wikEdLinkTag-->');
return(p1 + p2 + p3 + p4 + p6);
}
);

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

// omit image tags
var regExpImg = new RegExp('^(<[^>]*>)*' + wikEdText['wikicode Image'] + '\\s*:', 'i');
if (regExpImg.test(p2) == true) {
return(p1 + p2 + p3);
}

// category
var regExpCat = new RegExp('^\\s*' + wikEdText['wikicode Category'] + '\\s*:', 'i');
if (regExpCat.test(p2)) {
var regExp = new RegExp('\\s*\\w+\\s*:\\s*' + wikEdText['wikicode Category'] + '\\s*:', 'i');
if (p2.match(regExp)) {
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(/(\[+)/, '<span class="wikEdLinkTag">$1</span><!--wikEdLinkTag-->');
p2 = p2.replace(/(\|)/g, '<span class="wikEdLinkTag">$1</span><!--wikEdLinkTag-->');
p3 = p3.replace(/(\]+)/, '<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);
}
);

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

// RGB hex colors #d4d0cc
obj.html = obj.html.replace(/(#([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2}))(?=[\s\'\";])/g,
function (p, p1, p2, p3, p4) {
var luminance = parseInt(p2, 16) * 0.299 + parseInt(p3, 16) * 0.587 + parseInt(p4, 16) * 0.114;
if (luminance > 128) {
return('<span style="background-color: ' + p1 + '" class="wikEdColorsLight">' + p1 + '</span><!--wikEdColorsLight-->');
}
else {
return('<span style="background-color: ' + p1 + '" class="wikEdColorsDark">' + p1 + '</span><!--wikEdColorsDark-->');
}
}
);

// RGB hex colors #ddc
obj.html = obj.html.replace(/(#([0-9a-fA-F])([0-9a-fA-F])([0-9a-fA-F]))(?=[\s\'\";])/g,
function (p, p1, p2, p3, p4) {
var luminance = parseInt(p2, 16) * 16 * 0.299 + parseInt(p3, 16) * 16 * 0.587 + parseInt(p4, 16) * 16  * 0.114;
if (luminance > 128) {
return('<span style="background-color: ' + p1 + '" class="wikEdColorsLight">' + p1 + '</span><!--wikEdColorsLight-->');
}
else {
return('<span style="background-color: ' + p1 + '" class="wikEdColorsDark">' + p1 + '</span><!--wikEdColorsDark-->');
}
}
);

// RGB decimal colors rgb(128,64,265)
obj.html = obj.html.replace(/(rgb\(\s*(\d+),\s*(\d+),\s*(\d+)\s*\))/gi,
function (p, p1, p2, p3, p4) {
var luminance = p2 * 0.299 + p3 * 0.587 + p4  * 0.114;
if (luminance > 128) {
return('<span style="background-color: ' + p1 + '" class="wikEdColorsLight">' + p1 + '</span><!--wikEdColorsLight-->');
}
else {
return('<span style="background-color: ' + p1 + '" class="wikEdColorsDark">' + p1 + '</span><!--wikEdColorsDark-->');
}
}
);

// nowiki (remove highlighting) Mozilla bug: . instead of (.|\n) does not recognize linebreaks
obj.html = obj.html.replace(/(\u0000nowiki\b[^\u0001]*?\u0001)((.|\n)*?)(\u0000\/nowiki\b[^\u0001]*?\u0001)/gi,
function (p, p1, p2, p3, p4) {
p1 = '<span class="wikEdNowiki"><span class="wikEdInlineTag">' + p1 + '</span><!--wikEdInlineTag-->';
p2 = p2.replace(/<[^>]*>/g, '');
p4 = '<span class="wikEdInlineTag">' + p4 + '</span><!--wikEdInlineTag--></span><!--wikEdNowiki-->';
return(p1 + p2 + p4);
}
);

// \u0000 and \u0001 back to &lt; and &gt;
obj.html = obj.html.replace(/\u0000/g, '&lt;');
obj.html = obj.html.replace(/\u0001/g, '&gt;');

// 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 =  '<span class="wikEdTab" title="' + wikEdControlChars[p1.charCodeAt(0).toString()] + '">' + p1 + '</span><!--wikEdTab-->';
}
else if (p1 != '\u000a') {
p1 = '<span class="wikEdCtrl" title="' + wikEdControlChars[p1.charCodeAt(0).toString()] + '">' + p1 + '</span><!--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 = '<span class="wikEdBlank" title="' + wikEdStrangeSpaces[p1.charCodeAt(0).toString()] + '">' + p1 + '</span><!--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;
obj.html = obj.html.replace(/(<br\b[^>]*>)\n* */g, '$1');

// 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
wikEdTextarea.value = obj.plain;

return;
}


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

function WikEdUpdateFrame() {

// get frame content
var obj = {};
obj.html = wikEdTextarea.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, '<span class="wikEdTabPlain">$1</span><!--wikEdTabPlain-->');
}

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

// 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) {

if (wikEdUseWikEd == true) {
switch (event.type) {

// trap the tab key
case 'keydown':
switch (event.keyCode) {
case 9:
if (event.shiftKey == false) {
event.preventDefault();

// scroll to text input top
if (wikEdFullScreenMode == false) {
var wikEdInputWrapper = document.getElementById('wikEdInputWrapper');
var inputWrapperTop = WikEdGetOffsetTop(wikEdInputWrapper);
window.scroll(0, inputWrapperTop);
}

// focus the summary
wikEdSummaryText.focus();
}
break;
}
break;

// trap any other frame event
case 'keyup':
case 'keypress':
case 'mouseup':

// grey out inactive buttons
WikEdInactiveButtons();

// reset the frame DOM cache
wikEdFrameDOMCache = null;
break;
}
}

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 (wikEdFindAhead.checked == true) {

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

// remember position
var sel = wikEdFrameWindow.getSelection();
var range = sel.getRangeAt(sel.rangeCount - 1).cloneRange();
var rangeClone = range.cloneRange();
var frameScrollTop = wikEdFrameBody.scrollTop;

// function: window.find(string, caseSensitive, backwards, wrapAround, wholeWord, searchInFrames, showDialog)
sel.removeAllRanges();
sel.addRange(range);
range.collapse(true);

// function: window.find(string, caseSensitive, backwards, wrapAround, wholeWord, searchInFrames, showDialog)
var found = wikEdFrameWindow.find(findText, false, false, true, false, false, false);

// start from top if not found
if (found == false) {

// set cursor to start and search again
sel.collapse(wikEdFrameBody, 0);
found = wikEdFrameWindow.find(findText, false, false, true, false, false, false);

// add original selection
if (found == false) {
wikEdFrameBody.scrollTop = frameScrollTop;
sel.removeAllRanges();
sel.addRange(rangeClone);
}
}
}
return;
}


//
// WikEdMainSwitch: onclick handler for program logo
//

function WikEdMainSwitch() {


// enable wikEd
if (wikEdDisabled == true) {
wikEdDisabled = false;
WikEdSetLogo();
var cookieExpire = new Date();
cookieExpire.setTime(cookieExpire.getTime() - 60 * 60 * 1000);
WikEdSetCookie('wikEdDisabled', '', cookieExpire.toGMTString(), '/');

// turn rich text frame on
if (wikEdLoaded == true) {
WikEdUpdateFrame();
WikEdSetEditArea(true);
wikEdButtonsControl.style.display = 'block';
wikEdButtonsPreview.style.display = 'block';
wikEdButtonsJump.style.display = 'block';
}

// setup wikEd
else {
WikEdSetup(false);
return;
}
}

// disable wikEd
else {
wikEdDisabled = true;
WikEdSetLogo();
var cookieExpire = new Date();
cookieExpire.setTime(cookieExpire.getTime() + wikEdCookieExpireSec * 1000);
WikEdSetCookie('wikEdDisabled', 'true', cookieExpire.toGMTString(), '/');
if (wikEdLoaded == true) {
if (wikEdFullScreenMode == true) {
WikEdFullScreen(false);
}

// turn classic textarea on
WikEdUpdateTextarea();
WikEdSetEditArea(false);
wikEdButtonsControl.style.display = 'none';
wikEdButtonsPreview.style.display = 'none';
wikEdLocalPrevWrapper.style.display = 'none';
wikEdButtonsJump.style.display = 'none';
}
}

return;
}


//
// WikEdFullScreen: change to fullscreen edit area  or back to normal view
//

function WikEdFullScreen(fullscreen, notFrame) {

// get dom nodes
var wikEdButtonsPreview = document.getElementById('wikEdButtonsPreview');

// hide or show elements
var displayStyle;
if (fullscreen == true) {
displayStyle = 'none';
}
else {
displayStyle = 'block';
}

// elements above input wrapper
var node = document.getElementById('editform').previousSibling;
while (node != null) {
if ( (node.nodeName == 'DIV') || (node.nodeName == 'H3') ) {
node.style.display = displayStyle;
}
node = node.previousSibling;
}
document.getElementsByTagName('H1')[0].style.display = displayStyle;

// divs below input wrapper
var node = wikEdInputWrapper.nextSibling;
while (node != null) {
if (node.nodeName == 'DIV') {
node.style.display = displayStyle;
}
node = node.nextSibling;
}

// divs below input wrapper, some levels up
var node = document.getElementById('column-one');
while (node != null) {
if (node.nodeName == 'DIV') {
node.style.display = displayStyle;
}
node = node.nextSibling;
}

// insert wrapper
document.getElementById('wikEdInsertWrapper').style.display = displayStyle;

// change styles
if (fullscreen) {
if (notFrame != true) {
wikEdInputWrapper.className = 'wikEdInputWrapperFull';
}
wikEdButtonsPreview.className = 'wikEdButtonsPreviewFull';
}
else {
if (notFrame != true) {
wikEdInputWrapper.className = 'wikEdInputWrapper';
}
wikEdButtonsPreview.className = 'wikEdButtonsPreview';
}

// resize the frame
if (fullscreen) {
var consoleTop = WikEdGetOffsetTop(wikEdConsoleWrapper);
var consoleHeight = wikEdConsoleWrapper.offsetHeight;
var frameHeight = wikEdFrame.offsetHeight;
var windowHeight = window.innerHeight;
var windowWidth = window.innerWidth;
var frameHeightNew =  frameHeight + (windowHeight - (consoleTop + consoleHeight) ) - 2;
wikEdFrame.style.height = frameHeightNew + 'px';
}
else {
wikEdFrame.style.height = wikEdTextareaHeight + 'px';
}

// scroll to edit-frame
if (fullscreen == false) {
window.scroll(0, WikEdGetOffsetTop(wikEdInputWrapper) - 2);
}

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

// grey out or re-activate scroll-to buttons
var buttonClass;
if (fullscreen) {
buttonClass = 'wikEdButtonInactive';
}
else {
buttonClass = 'wikEdButton';
}
document.getElementById('wikEdScrollToInput').className = buttonClass;
document.getElementById('wikEdScrollToInput2').className = buttonClass;
document.getElementById('wikEdScrollToButtons').className = buttonClass;
document.getElementById('wikEdScrollToButtons2').className = buttonClass;

wikEdFullScreenMode = fullscreen;

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 (var 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;

selectWidth = selectWidth - optionWidth + inputWidth - border + 1;
var buttonWidth = selectWidth - inputWidth;

if (inputWidth - buttonWidth > 150) {
wikEdInputElement[field].style.width = (inputWidth - buttonWidth) + 'px';
wikEdSelectElement[field].style.width = (selectWidth - buttonWidth) + 'px';
}
else {
wikEdSelectElement[field].style.width = selectWidth + 'px';
}

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

// set option widths to auto
for (var 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') {
wikEdInputElement[field].value = WikEdAppendToSummary(wikEdInputElement[field].value, option.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;
}
}
}

// find the new text
if ( (field == 'find') && (wikEdFindAhead.checked == true) ) {
WikEdFindAhead();
}

return;
}


//
// WikEdAppendToSummary: append a phrase to the summary text
//

function WikEdAppendToSummary(summary, append) {

summary = summary.replace(/^[, ]+/, '');
summary = summary.replace(/[, ]+$/, '');
if (summary != '') {
if (summary.match(/ \*\/$/) != null) {
summary += ' ';
}
else if (summary.match(/[\.\;\:]$/) != null) {
summary += ' ';
}
else if (summary.match(/^[\w\(\)\"\'\+\-]/) == null) {
summary += ' ';
}
else {
summary += ', ';
}
}
summary += append;

return(summary);
}


//
// 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 paragraph names from summary
if (field == 'summary') {
wikEdFieldHist[field][0] = wikEdFieldHist[field][0].replace(/^\/\* .*? \*\/ */, '');
}

// remove multiple old copies from history
var 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) {
var i = 0;
while (i < wikEdComboPresetOptions[field].length) {
if (wikEdComboPresetOptions[field][i] == wikEdFieldHist[field][0]) {
wikEdFieldHist[field].shift();
break;
}
else {
i ++;
}
}
}

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

// saved history to cookie
if (wikEdFieldHist[field][0] != '') {
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;

// delete options
var options = wikEdSelectElement[field].options;
for (var 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';
j = 0;
wikEdSelectElement[field].options[j++] = option;

// add history entries
for (var 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 (var 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 (var property in currentNode.childNodes) {
var childNode = currentNode.childNodes[property];
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 the innerHTML from a 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('wikEdTextareaWrapper').style.visibility = 'visible';
wikEdTextarea.style.display = 'block';
if (objectName == null) {
wikEdTextarea.value = '';
wikEdTextarea.style.height = '25em';
}
else {
wikEdTextarea.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
};