230 lines
8 KiB
JavaScript
230 lines
8 KiB
JavaScript
/*
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* Based on Simon Willison's blockquotes.js
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* http://simon.incutio.com/archive/2002/12/20/#blockquoteCitations
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*/
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function extractBlockquoteCitations() {
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var quotes = document.getElementsByTagName('blockquote');
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for (i = 0; i < quotes.length; i++) {
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var cite = quotes[i].getAttribute('cite');
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if (cite && cite != '') {
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var newlink = document.createElement('a');
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newlink.setAttribute('href', cite);
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newlink.setAttribute('title', cite);
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newlink.appendChild(document.createTextNode('#'));
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var newspan = document.createElement('span');
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newspan.setAttribute('class','blockquotesource');
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newspan.appendChild(newlink);
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quotes[i].lastChild.previousSibling.appendChild(newspan);
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}
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}
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}
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function fixRunIn() {
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// work around lack of gecko support for display:run-in
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var re = /^num_|\s+num_|^un_|\s+un_|proof/;
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$$('div > h6').each(function(element) {
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next_p = element.next('p');
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if(re.test($(element.parentNode).className)) {
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var new_span = new Element('span').update(element.textContent);
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new_span.addClassName('theorem_label');
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var period = new Element('span').update('. ');
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if (next_p) {
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var next_el = next_p.firstChild;
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next_p.insertBefore(new_span, next_el);
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next_p.insertBefore(period, next_el);
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element.remove();
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} else {
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var p = new Element('p').update(new_span);
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p.appendChild(period);
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element.replace(p);
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}
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}
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});
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// add tombstone to proof, since gecko doesn't support :last-child properly
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$$('div.proof').each(function(element) {
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var el = element.childElements()[element.childElements().length-1];
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var span = new Element('span').update('\u00a0\u00a0\u25ae');
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if (el.match('p')) {
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el.insert(span);
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} else {
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var par = new Element('p').update(span);
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par.addClassName('tombstone');
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element.appendChild(par);
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}
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});
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}
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function mactionWorkarounds() {
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$$('maction[actiontype="tooltip"]').each( function(mtool){
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Element.writeAttribute(mtool, 'title',
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Element.firstDescendant(mtool).nextSibling.firstChild.data);
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});
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$$('maction[actiontype="statusline"]').each( function(mstatus){
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var v = Element.firstDescendant(mstatus).nextSibling.firstChild.data;
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Event.observe(mstatus, 'mouseover', function(){window.status = v;});
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Event.observe(mstatus, 'mouseout', function(){window.status = '';});
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});
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}
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function addS5button(page_name) {
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var f = $('MarkupHelp');
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if (f) {
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var s5button = new Element('input', {id:'S5button', type:'button', value: 'Make this page an S5 slideshow'});
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f.insert({top: s5button});
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Event.observe(s5button, 'click', function(){
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var preamble = "author: " + document.getElementById('author').value +
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"\ncompany: \ntitle: " + page_name +
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"\nsubtitle: \nslide_theme: default\nslide_footer: \nslide_subfooter: " +
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"\n\n:category: S5-slideshow\n\n" + page_name +
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"\n==============\n\nMy First Slide\n-----------------\n\n";
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var content = document.getElementById('content');
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content.value = preamble + content.value;
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document.getElementById('S5button').hide();
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});
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}
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}
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function setupSVGedit(path){
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var f = $('MarkupHelp');
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var selected;
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var before;
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var after;
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// create a control button
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if (f) {
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var SVGeditButton = new Element('input', {id:'SVGeditButton', type:'button', value: 'Create an SVG graphic'});
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f.insert({top: SVGeditButton});
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SVGeditButton.disabled = true;
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Event.observe(SVGeditButton, 'click', function(){
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var editor = window.open(path + "?initStroke[width]=2", 'Edit SVG graphic', 'status=1,resizable=1,scrollbars=1');
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editor.addEventListener("load", function() {
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editor.svgEditor.setCustomHandlers({
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'save': function(window,svg){
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editor.svgEditor.setConfig({no_save_warning: true});
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window.opener.postMessage(svg, window.location.protocol + '//' + window.location.host);
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window.close();
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}
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});
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editor.svgEditor.randomizeIds();
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if (selected) editor.svgEditor.loadFromString(selected);
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}, true);
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SVGeditButton.disabled = true;
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SVGeditButton.value = 'Create SVG graphic';
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editor.focus();
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});
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}
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var t = $('content');
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var callback = function(){
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// This is triggered by 'onmouseup' events
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var sel = window.getSelection();
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var a = sel.anchorOffset;
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var f = sel.focusOffset;
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// A bit of ugliness, because Gecko-based browsers
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// don't support getSelection in textareas
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if (t.selectionStart ) {
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var begin = t.selectionStart;
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var end = t.selectionEnd;
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} else {
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if( a < f) {
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begin = a;
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end = f;
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} else {
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begin = f;
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end = a;
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}
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}
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// finally, slice up the textarea content into before, selected, & after pieces
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before = t.value.slice(0, begin);
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selected = t.value.slice(begin, end);
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after = t.value.slice(end, t.value.length);
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if (selected && selected != '') {
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if ( selected.match(/^<svg(.|\n)*<\/svg>$/) && !selected.match(/<\/svg>(.|\n)/)) {
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SVGeditButton.disabled = false;
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SVGeditButton.value = 'Edit existing SVG graphic';
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} else {
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SVGeditButton.disabled = true;
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}
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} else {
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SVGeditButton.disabled = false;
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SVGeditButton.value = 'Create SVG graphic';
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}
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}
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Event.observe(t, 'mouseup', callback );
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var my_loc = window.location.protocol + '//' + window.location.host;
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Event.observe(window, "message", function(event){
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if(event.origin !== my_loc) { return;}
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t.value = before + event.data + after;
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t.focus();
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selectRange(t, before.length, before.length+event.data.length);
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callback();
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});
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}
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function selectRange(elt, start, end) {
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if (elt.setSelectionRange) {
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elt.focus();
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elt.setSelectionRange(start, end);
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} else if (elt.createTextRange) {
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var range = elt.createTextRange();
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range.collapse(true);
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range.moveEnd('character', end);
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range.moveStart('character', start);
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range.select();
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}
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}
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function updateSize(elt, w, h) {
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// adjust to the size of the user's browser area.
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// w and h are the original, unadjusted, width and height per row/column
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var parentheight = document.viewport.getHeight() - $('pageName').getHeight()
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- $('editFormButtons').getHeight() - $('hidebutton').getHeight();
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var parentwidth = $('Content').getWidth();
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var f = $('MarkupHelp');
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if (f.visible()) { parentwidth = parentwidth - f.getWidth() - 20 }
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var changename = $('alter_title');
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if (changename) {
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parentheight = parentheight - changename.parentNode.getHeight()-2*h;
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}
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elt.writeAttribute({'cols': Math.floor(parentwidth/w) - 1,
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'rows': Math.floor(parentheight/h) - 4 });
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elt.setStyle({Width: parentwidth, Height: parentheight});
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}
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function resizeableTextarea() {
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//make the textarea resize to fit available space
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var f = $('MarkupHelp');
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if (f) {
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var hidebutton = new Element('input', {id:'hidebutton', type:'button', value: 'Hide markup help'});
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f.insert({before: hidebutton});
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}
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$$('textarea#content').each( function(textarea) {
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var w = textarea.getWidth()/textarea.getAttribute('cols');
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var h = textarea.getStyle('lineHeight').replace(/(\d*)px/, "$1");
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var changename = $('alter_title');
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if (changename) {
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Event.observe(changename.parentNode, 'change', function() {
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updateSize(textarea, w, h);
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});
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}
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Event.observe(hidebutton, 'click', function(){
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if (f.visible()) {
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f.hide();
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hidebutton.writeAttribute({value: 'Show markup help'});
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updateSize(textarea, w, h)
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} else {
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f.show();
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hidebutton.writeAttribute({value: 'Hide markup help'});
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updateSize(textarea, w, h)
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}
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});
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Event.observe(window, 'resize', function(){ updateSize(textarea, w, h) });
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updateSize(textarea, w, h);
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});
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}
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window.onload = function (){
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extractBlockquoteCitations();
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fixRunIn();
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mactionWorkarounds();
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resizeableTextarea();
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};
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