Move around yuval's slides
[gitmo/moose-website.git] / hosted-presentations / 2008 / nothingmuch-YAPC-Asia / ui / default / slides.js
diff --git a/hosted-presentations/2008/nothingmuch-YAPC-Asia/ui/default/slides.js b/hosted-presentations/2008/nothingmuch-YAPC-Asia/ui/default/slides.js
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+// S5 v1.2a1 slides.js -- released into the Public Domain
+//
+// Please see http://www.meyerweb.com/eric/tools/s5/credits.html for information 
+// about all the wonderful and talented contributors to this code!
+
+var undef;
+var slideCSS = '';
+var snum = 0;
+var smax = 1;
+var incpos = 0;
+var number = undef;
+var s5mode = true;
+var defaultView = 'slideshow';
+var controlVis = 'visible';
+
+var s5NotesWindow;
+var s5NotesWindowLoaded = false;
+var previousSlide = 0;
+var presentationStart = new Date();
+var slideStart = new Date();
+
+var countdown = {
+       timer: 0,
+       state: 'pause',
+       start: new Date(),
+       end: 0,
+       remaining: 0
+};
+
+
+var isIE = navigator.appName == 'Microsoft Internet Explorer' && navigator.userAgent.indexOf('Opera') < 1 ? 1 : 0;
+var isOp = navigator.userAgent.indexOf('Opera') > -1 ? 1 : 0;
+var isGe = navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('Safari') < 1 ? 1 : 0;
+
+function hasClass(object, className) {
+       if (!object.className) return false;
+       return (object.className.search('(^|\\s)' + className + '(\\s|$)') != -1);
+}
+
+function hasValue(object, value) {
+       if (!object) return false;
+       return (object.search('(^|\\s)' + value + '(\\s|$)') != -1);
+}
+
+function removeClass(object,className) {
+       if (!object || !hasClass(object,className)) return;
+       object.className = object.className.replace(new RegExp('(^|\\s)'+className+'(\\s|$)'), RegExp.$1+RegExp.$2);
+}
+
+function addClass(object,className) {
+       if (!object || hasClass(object, className)) return;
+       if (object.className) {
+               object.className += ' '+className;
+       } else {
+               object.className = className;
+       }
+}
+
+function GetElementsWithClassName(elementName,className) {
+       var allElements = document.getElementsByTagName(elementName);
+       var elemColl = new Array();
+       for (var i = 0; i< allElements.length; i++) {
+               if (hasClass(allElements[i], className)) {
+                       elemColl[elemColl.length] = allElements[i];
+               }
+       }
+       return elemColl;
+}
+
+function isParentOrSelf(element, id) {
+       if (element == null || element.nodeName=='BODY') return false;
+       else if (element.id == id) return true;
+       else return isParentOrSelf(element.parentNode, id);
+}
+
+function nodeValue(node) {
+       var result = "";
+       if (node.nodeType == 1) {
+               var children = node.childNodes;
+               for (var i = 0; i < children.length; ++i) {
+                       result += nodeValue(children[i]);
+               }               
+       }
+       else if (node.nodeType == 3) {
+               result = node.nodeValue;
+       }
+       return(result);
+}
+
+function slideLabel() {
+       var slideColl = GetElementsWithClassName('*','slide');
+       var list = document.getElementById('jumplist');
+       smax = slideColl.length;
+       for (var n = 0; n < smax; n++) {
+               var obj = slideColl[n];
+
+               var did = 'slide' + n.toString();
+               obj.setAttribute('id',did);
+
+//             if (isOp) continue;   // Opera fix (hallvord)
+
+               var otext = '';
+               var menu = obj.firstChild;
+               if (!menu) continue; // to cope with empty slides
+               while (menu && menu.nodeType == 3) {
+                       menu = menu.nextSibling;
+               }
+               if (!menu) continue; // to cope with slides with only text nodes
+
+               var menunodes = menu.childNodes;
+               for (var o = 0; o < menunodes.length; o++) {
+                       otext += nodeValue(menunodes[o]);
+               }
+               list.options[list.length] = new Option(n + ' : '  + otext, n);
+       }
+}
+
+function currentSlide() {
+       var cs;
+       if (document.getElementById) {
+               cs = document.getElementById('currentSlide');
+       } else {
+               cs = document.currentSlide;
+       }
+       cs.innerHTML = '<a id="plink" href="">' + 
+               '<span id="csHere">' + snum + '<\/span> ' + 
+               '<span id="csSep">\/<\/span> ' + 
+               '<span id="csTotal">' + (smax-1) + '<\/span>' +
+               '<\/a>'
+               ;
+       if (snum == 0) {
+               cs.style.visibility = 'hidden';
+       } else {
+               cs.style.visibility = 'visible';
+       }
+}
+
+function go(step) {
+       if (document.getElementById('slideProj').disabled || step == 0) return;
+       var jl = document.getElementById('jumplist');
+       var cid = 'slide' + snum;
+       var ce = document.getElementById(cid);
+       if (incrementals[snum].length > 0) {
+               for (var i = 0; i < incrementals[snum].length; i++) {
+                       removeClass(incrementals[snum][i], 'current');
+                       removeClass(incrementals[snum][i], 'incremental');
+               }
+       }
+       if (step != 'j') {
+               snum += step;
+               lmax = smax - 1;
+               if (snum > lmax) snum = lmax;
+               if (snum < 0) snum = 0;
+       } else
+               snum = parseInt(jl.value);
+       var nid = 'slide' + snum;
+       var ne = document.getElementById(nid);
+       if (!ne) {
+               ne = document.getElementById('slide0');
+               snum = 0;
+       }
+       if (step < 0) {incpos = incrementals[snum].length} else {incpos = 0;}
+       if (incrementals[snum].length > 0 && incpos == 0) {
+               for (var i = 0; i < incrementals[snum].length; i++) {
+                       if (hasClass(incrementals[snum][i], 'current'))
+                               incpos = i + 1;
+                       else
+                               addClass(incrementals[snum][i], 'incremental');
+               }
+       }
+       if (incrementals[snum].length > 0 && incpos > 0)
+               addClass(incrementals[snum][incpos - 1], 'current');
+       if (isOp) { //hallvord
+               location.hash = nid;
+       } else {
+               ce.style.visibility = 'hidden'; 
+               ne.style.visibility = 'visible';
+       } // /hallvord
+       jl.selectedIndex = snum;
+       currentSlide();
+       loadNote();
+       permaLink();
+       number = undef;
+}
+
+function goTo(target) {
+       if (target >= smax || target == snum) return;
+       go(target - snum);
+}
+
+function subgo(step) {
+       if (step > 0) {
+               removeClass(incrementals[snum][incpos - 1],'current');
+               removeClass(incrementals[snum][incpos], 'incremental');
+               addClass(incrementals[snum][incpos],'current');
+               incpos++;
+       } else {
+               incpos--;
+               removeClass(incrementals[snum][incpos],'current');
+               addClass(incrementals[snum][incpos], 'incremental');
+               addClass(incrementals[snum][incpos - 1],'current');
+       }
+       loadNote();
+}
+
+function toggle() {
+       var slideColl = GetElementsWithClassName('*','slide');
+       var slides = document.getElementById('slideProj');
+       var outline = document.getElementById('outlineStyle');
+       if (!slides.disabled) {
+               slides.disabled = true;
+               outline.disabled = false;
+               s5mode = false;
+               fontSize('1em');
+               for (var n = 0; n < smax; n++) {
+                       var slide = slideColl[n];
+                       slide.style.visibility = 'visible';
+               }
+       } else {
+               slides.disabled = false;
+               outline.disabled = true;
+               s5mode = true;
+               fontScale();
+               for (var n = 0; n < smax; n++) {
+                       var slide = slideColl[n];
+                       slide.style.visibility = 'hidden';
+               }
+               slideColl[snum].style.visibility = 'visible';
+       }
+}
+
+function showHide(action) {
+       var obj = GetElementsWithClassName('*','hideme')[0];
+       switch (action) {
+       case 's': obj.style.visibility = 'visible'; break;
+       case 'h': obj.style.visibility = 'hidden'; break;
+       case 'k':
+               if (obj.style.visibility != 'visible') {
+                       obj.style.visibility = 'visible';
+               } else {
+                       obj.style.visibility = 'hidden';
+               }
+       break;
+       }
+}
+
+// 'keys' code adapted from MozPoint (http://mozpoint.mozdev.org/)
+function keys(key) {
+       if (!key) {
+               key = event;
+               key.which = key.keyCode;
+       }
+       if (key.which == 84) {
+               toggle();
+               return;
+       }
+       if (s5mode) {
+               switch (key.which) {
+                       case 10: // return
+                       case 13: // enter
+                               if (window.event && isParentOrSelf(window.event.srcElement, 'controls')) return;
+                               if (key.target && isParentOrSelf(key.target, 'controls')) return;
+                               if(number != undef) {
+                                       goTo(number);
+                                       break;
+                               }
+                       case 32: // spacebar
+                       case 34: // page down
+                       case 39: // rightkey
+                       case 40: // downkey
+                               if(number != undef) {
+                                       go(number);
+                               } else if (!incrementals[snum] || incpos >= incrementals[snum].length) {
+                                       go(1);
+                               } else {
+                                       subgo(1);
+                               }
+                               break;
+                       case 33: // page up
+                       case 37: // leftkey
+                       case 38: // upkey
+                               if(number != undef) {
+                                       go(-1 * number);
+                               } else if (!incrementals[snum] || incpos <= 0) {
+                                       go(-1);
+                               } else {
+                                       subgo(-1);
+                               }
+                               break;
+                       case 36: // home
+                               goTo(0);
+                               break;
+                       case 35: // end
+                               goTo(smax-1);
+                               break;
+                       case 67: // c
+                               showHide('k');
+                               break;
+                       case 78: // n
+                               createNotesWindow();
+                               break;
+               }
+               if (key.which < 48 || key.which > 57) {
+                       number = undef;
+               } else {
+                       if (window.event && isParentOrSelf(window.event.srcElement, 'controls')) return;
+                       if (key.target && isParentOrSelf(key.target, 'controls')) return;
+                       number = (((number != undef) ? number : 0) * 10) + (key.which - 48);
+               }
+       }
+       return false;
+}
+
+function clicker(e) {
+       number = undef;
+       var target;
+       if (window.event) {
+               target = window.event.srcElement;
+               e = window.event;
+       } else target = e.target;
+       if (target.href != null || hasValue(target.rel, 'external') || isParentOrSelf(target, 'controls') || isParentOrSelf(target,'embed') || isParentOrSelf(target,'object')) return true;
+       if (!e.which || e.which == 1) {
+               if (!incrementals[snum] || incpos >= incrementals[snum].length) {
+                       go(1);
+               } else {
+                       subgo(1);
+               }
+       }
+}
+
+function findSlide(hash) {
+       var target = null;
+       var slides = GetElementsWithClassName('*','slide');
+       for (var i = 0; i < slides.length; i++) {
+               var targetSlide = slides[i];
+               if ( (targetSlide.name && targetSlide.name == hash)
+                || (targetSlide.id && targetSlide.id == hash) ) {
+                       target = targetSlide;
+                       break;
+               }
+       }
+       while(target != null && target.nodeName != 'BODY') {
+               if (hasClass(target, 'slide')) {
+                       return parseInt(target.id.slice(5));
+               }
+               target = target.parentNode;
+       }
+       return null;
+}
+
+function slideJump() {
+       if (window.location.hash == null) return;
+       var sregex = /^#slide(\d+)$/;
+       var matches = sregex.exec(window.location.hash);
+       var dest = null;
+       if (matches != null) {
+               dest = parseInt(matches[1]);
+       } else {
+               dest = findSlide(window.location.hash.slice(1));
+       }
+       if (dest != null)
+               go(dest - snum);
+}
+
+function fixLinks() {
+       var thisUri = window.location.href;
+       thisUri = thisUri.slice(0, thisUri.length - window.location.hash.length);
+       var aelements = document.getElementsByTagName('A');
+       for (var i = 0; i < aelements.length; i++) {
+               var a = aelements[i].href;
+               var slideID = a.match('\#slide[0-9]{1,2}');
+               if ((slideID) && (slideID[0].slice(0,1) == '#')) {
+                       var dest = findSlide(slideID[0].slice(1));
+                       if (dest != null) {
+                               if (aelements[i].addEventListener) {
+                                       aelements[i].addEventListener("click", new Function("e",
+                                               "if (document.getElementById('slideProj').disabled) return;" +
+                                               "go("+dest+" - snum); " +
+                                               "if (e.preventDefault) e.preventDefault();"), true);
+                               } else if (aelements[i].attachEvent) {
+                                       aelements[i].attachEvent("onclick", new Function("",
+                                               "if (document.getElementById('slideProj').disabled) return;" +
+                                               "go("+dest+" - snum); " +
+                                               "event.returnValue = false;"));
+                               }
+                       }
+               }
+       }
+}
+
+function externalLinks() {
+       if (!document.getElementsByTagName) return;
+       var anchors = document.getElementsByTagName('a');
+       for (var i=0; i<anchors.length; i++) {
+               var anchor = anchors[i];
+               if (anchor.getAttribute('href') && hasValue(anchor.rel, 'external')) {
+                       anchor.target = '_blank';
+                       addClass(anchor,'external');
+               }
+       }
+}
+
+function permaLink() {
+       document.getElementById('plink').href = window.location.pathname + '#slide' + snum;
+}
+
+function createControls() {
+       var controlsDiv = document.getElementById("controls");
+       if (!controlsDiv) return;
+       var hider = ' onmouseover="showHide(\'s\');" onmouseout="showHide(\'h\');"';
+       var hideDiv, hideList = '';
+       if (controlVis == 'hidden') {
+               hideDiv = hider;
+       } else {
+               hideList = hider;
+       }
+       controlsDiv.innerHTML = '<form action="#" id="controlForm"' + hideDiv + '>' +
+       '<div id="navLinks">' +
+       '<a accesskey="n" id="show-notes" href="javascript:createNotesWindow();" title="Show Notes">&equiv;<\/a>' +
+       '<a accesskey="t" id="toggle" href="javascript:toggle();">&#216;<\/a>' +
+       '<a accesskey="z" id="prev" href="javascript:go(-1);">&laquo;<\/a>' +
+       '<a accesskey="x" id="next" href="javascript:go(1);">&raquo;<\/a>' +
+       '<div id="navList"' + hideList + '><select id="jumplist" onchange="go(\'j\');"><\/select><\/div>' +
+       '<\/div><\/form>';
+       if (controlVis == 'hidden') {
+               var hidden = document.getElementById('navLinks');
+       } else {
+               var hidden = document.getElementById('jumplist');
+       }
+       addClass(hidden,'hideme');
+}
+
+function fontScale() {  // causes layout problems in FireFox that get fixed if browser's Reload is used; same may be true of other Gecko-based browsers
+       if (!s5mode) return false;
+       var vScale = 48;  // both yield 16 (the usual browser default) at 1024x768
+       var hScale = 64;  // perhaps should auto-calculate based on theme's declared value?
+       if (window.innerHeight) {
+               var vSize = window.innerHeight;
+               var hSize = window.innerWidth;
+       } else if (document.documentElement.clientHeight) {
+               var vSize = document.documentElement.clientHeight;
+               var hSize = document.documentElement.clientWidth;
+       } else if (document.body.clientHeight) {
+               var vSize = document.body.clientHeight;
+               var hSize = document.body.clientWidth;
+       } else {
+               var vSize = 700;  // assuming 1024x768, minus chrome and such
+               var hSize = 1024; // these do not account for kiosk mode or Opera Show
+       }
+       var newSize = Math.min(Math.round(vSize/vScale),Math.round(hSize/hScale));
+       fontSize(newSize + 'px');
+       if (isGe) {  // hack to counter incremental reflow bugs
+               var obj = document.getElementsByTagName('body')[0];
+               obj.style.display = 'none';
+               obj.style.display = 'block';
+       }
+}
+
+function fontSize(value) {
+       if (!(s5ss = document.getElementById('s5ss'))) {
+               if (!document.createStyleSheet) {
+                       document.getElementsByTagName('head')[0].appendChild(s5ss = document.createElement('style'));
+                       s5ss.setAttribute('media','screen, projection');
+                       s5ss.setAttribute('id','s5ss');
+               } else {
+                       document.createStyleSheet();
+                       document.s5ss = document.styleSheets[document.styleSheets.length - 1];
+               }
+       }
+       if (!(document.s5ss && document.s5ss.addRule)) {
+               while (s5ss.lastChild) s5ss.removeChild(s5ss.lastChild);
+               s5ss.appendChild(document.createTextNode('html {font-size: ' + value + ' !important;}'));
+       } else {
+               document.s5ss.addRule('html','font-size: ' + value + ' !important;');
+       }
+}
+
+function notOperaFix() {
+       slideCSS = document.getElementById('slideProj').href;
+       var slides = document.getElementById('slideProj');
+       var outline = document.getElementById('outlineStyle');
+       slides.setAttribute('media','screen');
+       outline.disabled = true;
+       if (isGe) {
+               slides.setAttribute('href','null');   // Gecko fix
+               slides.setAttribute('href',slideCSS); // Gecko fix
+       }
+       if (isIE && document.styleSheets && document.styleSheets[0]) {
+               document.styleSheets[0].addRule('img', 'behavior: url(ui/default/iepngfix.htc)');
+               document.styleSheets[0].addRule('div', 'behavior: url(ui/default/iepngfix.htc)');
+               document.styleSheets[0].addRule('.slide', 'behavior: url(ui/default/iepngfix.htc)');
+       }
+}
+
+function getIncrementals(obj) {
+       var incrementals = new Array();
+       if (!obj) 
+               return incrementals;
+       var children = obj.childNodes;
+       for (var i = 0; i < children.length; i++) {
+               var child = children[i];
+               if (hasClass(child, 'incremental')) {
+                       if (child.nodeName == 'OL' || child.nodeName == 'UL') {
+                               removeClass(child, 'incremental');
+                               for (var j = 0; j < child.childNodes.length; j++) {
+                                       if (child.childNodes[j].nodeType == 1) {
+                                               addClass(child.childNodes[j], 'incremental');
+                                       }
+                               }
+                       } else {
+                               incrementals[incrementals.length] = child;
+                               removeClass(child,'incremental');
+                       }
+               }
+               if (hasClass(child, 'show-first')) {
+                       if (child.nodeName == 'OL' || child.nodeName == 'UL') {
+                               removeClass(child, 'show-first');
+                               if (child.childNodes[isGe].nodeType == 1) {
+                                       removeClass(child.childNodes[isGe], 'incremental');
+                               }
+                       } else {
+                               incrementals[incrementals.length] = child;
+                       }
+               }
+               incrementals = incrementals.concat(getIncrementals(child));
+       }
+       return incrementals;
+}
+
+function createIncrementals() {
+       var incrementals = new Array();
+       for (var i = 0; i < smax; i++) {
+               incrementals[i] = getIncrementals(document.getElementById('slide'+i));
+       }
+       return incrementals;
+}
+
+function defaultCheck() {
+       var allMetas = document.getElementsByTagName('meta');
+       for (var i = 0; i< allMetas.length; i++) {
+               if (allMetas[i].name == 'defaultView') {
+                       defaultView = allMetas[i].content;
+               }
+               if (allMetas[i].name == 'controlVis') {
+                       controlVis = allMetas[i].content;
+               }
+       }
+}
+
+// Key trap fix, new function body for trap()
+function trap(e) {
+       if (!e) {
+               e = event;
+               e.which = e.keyCode;
+       }
+       try {
+               modifierKey = e.ctrlKey || e.altKey || e.metaKey;
+       }
+       catch(e) {
+               modifierKey = false;
+       }
+       return modifierKey || e.which == 0;
+}
+
+function noteLabel() { // Gives notes id's to match parent slides
+       var notes = GetElementsWithClassName('div','notes');
+       for (var i = 0; i < notes.length; i++) {
+               var note = notes[i];
+               var id = 'note' + note.parentNode.id.substring(5);
+               note.setAttribute('id',id);
+       }
+       resetElapsedSlide();
+       resetRemainingTime();
+       window.setInterval('updateElaspedTime()', 1000);
+}
+
+function createNotesWindow() { // creates a window for our notes
+       if (!s5NotesWindow || s5NotesWindow.closed) { // Create the window if it doesn't exist
+               s5NotesWindowLoaded = false;
+               // Note: Safari has a tendency to ignore window options preferring to default to the settings of the parent window, grr.
+               s5NotesWindow = window.open('ui/s5-notes.html', 's5NotesWindow', 'top=0,left=0');
+       }
+       if (s5NotesWindowLoaded) { // Load the current note if the Note HTML has loaded
+               loadNote();
+       } else { // Keep trying...
+               window.setTimeout('createNotesWindow()', 50);
+       }
+}
+
+function loadNote() {
+// Loads a note into the note window
+       var notes = nextNotes = '<em class="disclaimer">There are no notes for this slide.</em>';
+       if (document.getElementById('note' + snum)) {
+               notes = document.getElementById('note' + snum).innerHTML;
+       }
+       if (document.getElementById('note' + (snum + 1))) {
+               nextNotes = document.getElementById('note' + (snum + 1)).innerHTML;
+       }
+       
+       var jl = document.getElementById('jumplist');
+       var slideTitle = jl.options[jl.selectedIndex].text.replace(/^\d+\s+:\s+/, '') + ((jl.selectedIndex) ? ' (' + jl.selectedIndex + '/' + (smax - 1) + ')' : '');
+       if (incrementals[snum].length > 0) {
+//             alert('howdy');
+               slideTitle += ' <small>[' + incpos + '/' + incrementals[snum].length + ']</small>';
+       }
+       if (jl.selectedIndex < smax - 1) {
+               var nextTitle = jl.options[jl.selectedIndex + 1].text.replace(/^\d+\s+:\s+/, '') + ((jl.selectedIndex + 1) ? ' (' + (jl.selectedIndex + 1) + '/' + (smax - 1) + ')' : '');
+       } else {
+               var nextTitle = '[end of slide show]';
+       }
+       
+       if (s5NotesWindow && !s5NotesWindow.closed && s5NotesWindow.document) {
+               s5NotesWindow.document.getElementById('slide').innerHTML = slideTitle;
+               s5NotesWindow.document.getElementById('notes').innerHTML = notes;
+               s5NotesWindow.document.getElementById('next').innerHTML = nextTitle;
+               s5NotesWindow.document.getElementById('nextnotes').innerHTML = nextNotes;
+       }
+       resetElapsedSlide();
+}
+
+function minimizeTimer(id) {
+       var obj = s5NotesWindow.document.getElementById(id);
+       if (hasClass(obj,'collapsed')) {
+               removeClass(obj,'collapsed');
+       } else {
+               addClass(obj,'collapsed');
+       }
+}
+
+function resetElapsedTime() {
+       presentationStart = new Date();
+       slideStart = new Date();
+       updateElaspedTime();
+}
+
+function resetElapsedSlide() {
+       if (snum != previousSlide) {
+               slideStart = new Date();
+               previousSlide = snum;
+               updateElaspedTime();
+       }
+}
+
+function updateElaspedTime() {
+       if (!s5NotesWindowLoaded || !s5NotesWindow || s5NotesWindow.closed) return;
+       var now = new Date();
+       var ep = s5NotesWindow.document.getElementById('elapsed-presentation');
+       var es = s5NotesWindow.document.getElementById('elapsed-slide');
+       ep.innerHTML = formatTime(now.valueOf() - presentationStart.valueOf());
+       es.innerHTML = formatTime(now.valueOf() - slideStart.valueOf());
+}
+
+function resetRemainingTime() {
+       if (!s5NotesWindowLoaded || !s5NotesWindow || s5NotesWindow.closed) return;
+       var startField = s5NotesWindow.document.getElementById('startFrom');
+       startFrom = readTime(startField.value);
+       countdown.remaining = startFrom * 60000;  // convert to msecs
+       countdown.start = new Date().valueOf();
+       countdown.end = countdown.start + countdown.remaining;
+       var tl = s5NotesWindow.document.getElementById('timeLeft');
+       var timeLeft = formatTime(countdown.remaining);
+       tl.innerHTML = timeLeft;
+}
+
+function updateRemainingTime() {
+       if (!s5NotesWindowLoaded || !s5NotesWindow || s5NotesWindow.closed) return;
+       var tl = s5NotesWindow.document.getElementById('timeLeft');
+       var now = new Date();
+       if (countdown.state == 'run') {
+               countdown.remaining = countdown.end - now;
+       }
+       tl.style.color = '';
+       tl.style.backgroundColor = '';
+       if (countdown.remaining >= 0) {
+               var timeLeft = formatTime(countdown.remaining);
+               removeClass(tl,'overtime');
+               if (countdown.remaining < 300000) {
+                       tl.style.color = 'rgb(' + (255-Math.round(countdown.remaining/2000)) + ',0,0)';
+                       tl.style.backgroundColor = 'rgb(255,255,' + (Math.round(countdown.remaining/2000)) + ')';
+               }
+       } else {
+               var timeLeft = '-' + formatTime(-countdown.remaining);
+               addClass(tl,'overtime');
+       }
+       tl.innerHTML = timeLeft;
+}
+
+function toggleRemainingTime() {
+       if (countdown.state == 'pause') countdown.state = 'run'; else countdown.state = 'pause';
+       if (countdown.state == 'pause') {
+               window.clearInterval(countdown.timer);
+       }
+       if (countdown.state == 'run') {
+               countdown.start = new Date().valueOf();
+               countdown.end = countdown.start + countdown.remaining;
+               countdown.timer = window.setInterval('updateRemainingTime()', 1000);
+       }
+}
+
+function alterRemainingTime(amt) {
+       var change = amt * 60000;  // convert to msecs
+       countdown.end += change;
+       countdown.remaining += change;
+       updateRemainingTime();
+}
+
+function formatTime(msecs)  {
+       var time = new Date(msecs);
+       
+       var hrs = time.getUTCHours() + ((time.getUTCDate() -1) * 24); // I doubt anyone will spend more than 24 hours on a presentation or single slide but just in case...
+       hrs = (hrs < 10) ? '0'+hrs : hrs;
+       if (hrs == 'NaN' || isNaN(hrs)) hrs = '--';
+       
+       var min = time.getUTCMinutes();
+       min = (min < 10) ? '0'+min : min;
+       if (min == 'NaN' || isNaN(min)) min = '--';
+       
+       var sec = time.getUTCSeconds();
+       sec = (sec < 10) ? '0'+sec : sec;
+       if (sec == 'NaN' || isNaN(sec)) sec = '--';
+
+       return hrs + ':' + min + ':' + sec;
+}
+
+function readTime(val) {
+       var sregex = /:/;
+       var matches = sregex.exec(val);
+       if (matches == null) {
+               return val;
+       } else {
+               var times = val.split(':');
+               var hours = parseInt(times[0]);
+               var mins = parseInt(times[1]);
+               var total = (hours * 60) + mins;
+               return total;
+       }
+}
+
+function windowChange() {
+       fontScale();
+}
+
+function startup() {
+       defaultCheck();
+       createControls();  // hallvord
+       slideLabel();
+       incrementals = createIncrementals();
+       noteLabel(); // [SI:060104] must follow slideLabel()
+       loadNote();
+       fixLinks();
+       externalLinks();
+       fontScale();
+       if (!isOp) notOperaFix();
+       slideJump();
+       if (defaultView == 'outline') {
+               toggle();
+       }
+       document.onkeyup = keys;
+       document.onkeypress = trap;
+       document.onclick = clicker;
+}
+
+window.onload = startup;
+window.onresize = function(){setTimeout('windowChange()',5);}
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