Updated slidy/ directory with Slidy2 js and css.

Note:  This still needs to be run through jsmin.

2 files changed, 3281 insertions, 2 deletions

diff --git a/slidy/slidy.min.css b/slidy/slidy.min.css
index 59e49495f..9cb2fab64 100644
--- a/slidy/slidy.min.css
+++ b/slidy/slidy.min.css
@@ -1 +1,400 @@
-body{margin:0;padding:0;width:100%;height:100%;color:black;background-color:white;font-family:"Gill Sans MT","Gill Sans",GillSans,sans-serif;font-size:14pt;}.hidden{display:none;visibility:hidden;}div.toolbar{position:fixed;z-index:200;top:auto;bottom:0;left:0;right:0;height:1.2em;text-align:right;padding-left:1em;padding-right:1em;font-size:60%;color:red;background:#f0f0f0;}div.background{display:none;}div.handout{margin-left:20px;margin-right:20px;}div.slide.titlepage{text-align:center;}div.slide.titlepage.h1{padding-top:40%;}div.slide{z-index:20;margin:0;padding-top:0;padding-bottom:0;padding-left:20px;padding-right:20px;border-width:0;clear:both;top:0;bottom:0;left:0;right:0;line-height:120%;background-color:transparent;}div.slide+div[class].slide{page-break-before:always;}div.slide h1{padding-left:0;padding-right:20pt;padding-top:4pt;padding-bottom:4pt;margin-top:0;margin-left:0;margin-right:60pt;margin-bottom:.5em;display:block;font-size:160%;line-height:1.2em;background:transparent;}div.toc{position:absolute;top:auto;bottom:4em;left:4em;right:auto;width:60%;max-width:30em;height:30em;border:solid thin black;padding:1em;background:#f0f0f0;color:black;z-index:300;overflow:auto;display:block;visibility:visible;}div.toc-heading{width:100%;border-bottom:solid 1px #b4b4b4;margin-bottom:1em;text-align:center;}pre{font-size:80%;font-weight:bold;line-height:120%;padding-top:.2em;padding-bottom:.2em;padding-left:1em;padding-right:1em;border-style:solid;border-left-width:1em;border-top-width:thin;border-right-width:thin;border-bottom-width:thin;border-color:#95ABD0;color:#00428C;background-color:#E4E5E7;}li pre{margin-left:0;}@media print{div.slide{display:block;visibility:visible;position:relative;border-top-style:solid;border-top-width:thin;border-top-color:black;}div.slide pre{font-size:60%;padding-left:.5em;}div.handout{display:block;visibility:visible;}}blockquote{font-style:italic;}img{background-color:transparent;}p.copyright{font-size:smaller;}.center{text-align:center;}.footnote{font-size:smaller;margin-left:2em;}a img{border-width:0;border-style:none;}a:visited{color:navy;}a:link{color:navy;}a:hover{color:red;text-decoration:underline;}a:active{color:red;text-decoration:underline;}a{text-decoration:none;}.navbar a:link{color:white;}.navbar a:visited{color:yellow;}.navbar a:active{color:red;}.navbar a:hover{color:red;}ul{list-style-type:square;}ul ul{list-style-type:disc;}ul ul ul{list-style-type:circle;}ul ul ul ul{list-style-type:disc;}li{margin-left:.5em;margin-top:.5em;}li li{font-size:85%;font-style:italic;}li li li{font-size:85%;font-style:normal;}div dt{margin-left:0;margin-top:1em;margin-bottom:.5em;font-weight:bold;}div dd{margin-left:2em;margin-bottom:.5em;}p,pre,ul,ol,blockquote,h2,h3,h4,h5,h6,dl,table{margin-left:1em;margin-right:1em;}p.subhead{font-weight:bold;margin-top:2em;}.smaller{font-size:smaller;}.bigger{font-size:130%;}td,th{padding:.2em;}ul{margin:.5em 1.5em .5em 1.5em;padding:0;}ol{margin:.5em 1.5em .5em 1.5em;padding:0;}ul{list-style-type:square;}ul ul{list-style-type:disc;}ul ul ul{list-style-type:circle;}ul ul ul ul{list-style-type:disc;}ul li{list-style:square;margin:.1em 0 .6em 0;padding:0;line-height:140%;}ol li{margin:.1em 0 .6em 1.5em;padding:0;line-height:140%;list-style-type:decimal;}li ul li{font-size:85%;font-style:italic;list-style-type:disc;background:transparent;padding:0;}li li ul li{font-size:85%;font-style:normal;list-style-type:circle;background:transparent;padding:0;}li li li ul li{list-style-type:disc;background:transparent;padding:0;}li ol li{list-style-type:decimal;}li li ol li{list-style-type:decimal;}ol.outline li:hover{cursor:pointer;}ol.outline li.nofold:hover{cursor:default;}ul.outline li:hover{cursor:pointer;}ul.outline li.nofold:hover{cursor:default;}ol.outline{list-style:decimal;}ol.outline ol{list-style-type:lower-alpha;}ol.outline li.nofold{padding:0 0 0 20px;background:transparent url(nofold-dim.gif) no-repeat 0 .5em;}ol.outline li.unfolded{padding:0 0 0 20px;background:transparent url(fold-dim.gif) no-repeat 0 .5em;}ol.outline li.folded{padding:0 0 0 20px;background:transparent url(unfold-dim.gif) no-repeat 0 .5em;}ol.outline li.unfolded:hover{padding:0 0 0 20px;background:transparent url(fold.gif) no-repeat 0 .5em;}ol.outline li.folded:hover{padding:0 0 0 20px;background:transparent url(unfold.gif) no-repeat 0 .5em;}ul.outline li.nofold{padding:0 0 0 20px;background:transparent url(nofold-dim.gif) no-repeat 0 .5em;}ul.outline li.unfolded{padding:0 0 0 20px;background:transparent url(fold-dim.gif) no-repeat 0 .5em;}ul.outline li.folded{padding:0 0 0 20px;background:transparent url(unfold-dim.gif) no-repeat 0 .5em;}ul.outline li.unfolded:hover{padding:0 0 0 20px;background:transparent url(fold.gif) no-repeat 0 .5em;}ul.outline li.folded:hover{padding:0 0 0 20px;background:transparent url(unfold.gif) no-repeat 0 .5em;}a.titleslide{font-weight:bold;font-style:italic;}
\ No newline at end of file
+/* slidy.css
+
+   Copyright (c) 2005-2010 W3C (MIT, ERCIM, Keio), All Rights Reserved.
+   W3C liability, trademark, document use and software licensing
+   rules apply, see:
+
+   http://www.w3.org/Consortium/Legal/copyright-documents
+   http://www.w3.org/Consortium/Legal/copyright-software
+*/
+body
+{
+  margin: 0 0 0 0;
+  padding: 0 0 0 0;
+  width: 100%;
+  height: 100%;
+  color: black;
+  background-color: white;
+  font-family: "Gill Sans MT", "Gill Sans", GillSans, sans-serif;
+  font-size: 14pt;
+}
+
+div.toolbar {
+  position: fixed; z-index: 200;
+  top: auto; bottom: 0; left: 0; right: 0;
+  height: 1.2em; text-align: right;
+  padding-left: 1em;
+  padding-right: 1em; 
+  font-size: 60%;
+  color: red;
+  background-color: rgb(240,240,240);
+  border-top: solid 1px rgb(180,180,180);
+}
+
+div.toolbar span.copyright {
+  color: black;
+  margin-left: 0.5em;
+}
+
+div.initial_prompt {
+  position: absolute;
+  z-index: 1000;
+  bottom: 1.2em;
+  width: 100%;
+  background-color: rgb(200,200,200);
+  opacity: 0.35;
+  background-color: rgb(200,200,200, 0.35);
+  cursor: pointer;
+}
+
+div.initial_prompt p.help {
+  text-align: center;
+}
+
+div.initial_prompt p.close {
+  text-align: right;
+  font-style: italic;
+}
+
+div.slidy_toc {
+  position: absolute;
+  z-index: 300;
+  width: 60%;
+  max-width: 30em;
+  height: 30em;
+  overflow: auto;
+  top: auto;
+  right: auto;
+  left: 4em;
+  bottom: 4em;
+  padding: 1em;
+  background: rgb(240,240,240);
+  border-style: solid;
+  border-width: 2px;
+  font-size: 60%;
+}
+
+div.slidy_toc .toc_heading {
+  text-align: center;
+  width: 100%;
+  margin: 0;
+  margin-bottom: 1em;
+  border-bottom-style: solid;
+  border-bottom-color: rgb(180,180,180);
+  border-bottom-width: 1px;
+}
+
+div.slide {
+  z-index: 20;
+  margin: 0 0 0 0;
+  padding-top: 0;
+  padding-bottom: 0;
+  padding-left: 20px;
+  padding-right: 20px;
+  border-width: 0;
+  clear: both;
+  top: 0;
+  bottom: 0;
+  left: 0;
+  right: 0;
+  line-height: 120%;
+  background-color: transparent;
+}
+
+div.background {
+  display: none;
+}
+
+div.handout {
+  margin-left: 20px;
+  margin-right: 20px;
+}
+
+div.slide.titlepage {
+  text-align: center;
+}
+
+div.slide.titlepage.h1 {
+  padding-top: 10%;
+}
+
+div.slide h1 {
+  padding-left: 0;
+  padding-right: 20pt;
+  padding-top: 4pt;
+  padding-bottom: 4pt;
+  margin-top: 0;
+  margin-left: 0;
+  margin-right: 60pt;
+  margin-bottom: 0.5em;
+  display: block; 
+  font-size: 160%;
+  line-height: 1.2em;
+  background: transparent;
+}
+
+div.toc {
+  position: absolute;
+  top: auto;
+  bottom: 4em;
+  left: 4em;
+  right: auto;
+  width: 60%;
+  max-width: 30em;
+  height: 30em;
+  border: solid thin black;
+  padding: 1em;
+  background: rgb(240,240,240);
+  color: black;
+  z-index: 300;
+  overflow: auto;
+  display: block;
+  visibility: visible;
+}
+
+div.toc-heading {
+  width: 100%;
+  border-bottom: solid 1px rgb(180,180,180);
+  margin-bottom: 1em;
+  text-align: center;
+}
+
+pre {
+ font-size: 80%;
+ font-weight: bold;
+ line-height: 120%;
+ padding-top: 0.2em;
+ padding-bottom: 0.2em;
+ padding-left: 1em;
+ padding-right: 1em;
+ border-style: solid;
+ border-left-width: 1em;
+ border-top-width: thin;
+ border-right-width: thin;
+ border-bottom-width: thin;
+ border-color: #95ABD0;
+ color: #00428C;
+ background-color: #E4E5E7;
+}
+
+li pre { margin-left: 0; }
+
+blockquote { font-style: italic }
+
+img { background-color: transparent }
+
+p.copyright { font-size: smaller }
+
+.center { text-align: center }
+.footnote { font-size: smaller; margin-left: 2em; }
+
+a img { border-width: 0; border-style: none }
+
+a:visited { color: navy }
+a:link { color: navy }
+a:hover { color: red; text-decoration: underline }
+a:active { color: red; text-decoration: underline }
+
+a {text-decoration: none}
+.navbar a:link {color: white}
+.navbar a:visited {color: yellow}
+.navbar a:active {color: red}
+.navbar a:hover {color: red}
+
+ul { list-style-type: square; }
+ul ul { list-style-type: disc; }
+ul ul ul { list-style-type: circle; }
+ul ul ul ul { list-style-type: disc; }
+li { margin-left: 0.5em; margin-top: 0.5em; }
+li li { font-size: 85%; font-style: italic }
+li li li { font-size: 85%; font-style: normal }
+
+div dt
+{
+  margin-left: 0;
+  margin-top: 1em;
+  margin-bottom: 0.5em;
+  font-weight: bold;
+}
+div dd
+{
+  margin-left: 2em;
+  margin-bottom: 0.5em;
+}
+
+
+p,pre,ul,ol,blockquote,h2,h3,h4,h5,h6,dl,table {
+  margin-left: 1em;
+  margin-right: 1em;
+}
+
+p.subhead { font-weight: bold; margin-top: 2em; }
+
+.smaller { font-size: smaller }
+.bigger { font-size: 130% }
+
+td,th { padding: 0.2em }
+
+ul {
+  margin: 0.5em 1.5em 0.5em 1.5em;
+  padding: 0;
+}
+
+ol {
+  margin: 0.5em 1.5em 0.5em 1.5em;
+  padding: 0;
+}
+
+ul { list-style-type: square; }
+ul ul { list-style-type: disc; }
+ul ul ul { list-style-type: circle; }
+ul ul ul ul { list-style-type: disc; }
+
+ul li { 
+  list-style: square;
+  margin: 0.1em 0em 0.6em 0;
+  padding: 0 0 0 0;
+  line-height: 140%;
+}
+
+ol li { 
+  margin: 0.1em 0em 0.6em 1.5em;
+  padding: 0 0 0 0px;
+  line-height: 140%;
+  list-style-type: decimal;
+}
+
+li ul li { 
+  font-size: 85%; 
+  font-style: italic;
+  list-style-type: disc;
+  background: transparent;
+  padding: 0 0 0 0;
+}
+li li ul li { 
+  font-size: 85%; 
+  font-style: normal;
+  list-style-type: circle;
+  background: transparent;
+  padding: 0 0 0 0;
+}
+li li li ul li {
+  list-style-type: disc;
+  background: transparent;
+  padding: 0 0 0 0;
+}
+
+li ol li {
+  list-style-type: decimal;
+}
+
+
+li li ol li {
+  list-style-type: decimal;
+}
+
+/*
+ setting class="outline on ol or ul makes it behave as an
+ ouline list where blocklevel content in li elements is
+ hidden by default and can be expanded or collapsed with
+ mouse click. Set class="expand" on li to override default
+*/
+
+ol.outline li:hover { cursor: pointer }
+ol.outline li.nofold:hover { cursor: default }
+
+ul.outline li:hover { cursor: pointer }
+ul.outline li.nofold:hover { cursor: default }
+
+ol.outline { list-style:decimal; }
+ol.outline ol { list-style-type:lower-alpha }
+
+ol.outline li.nofold {
+  padding: 0 0 0 20px;
+  background: transparent url(../graphics/nofold-dim.gif) no-repeat 0px 0.5em;
+}
+ol.outline li.unfolded {
+  padding: 0 0 0 20px;
+  background: transparent url(../graphics/fold-dim.gif) no-repeat 0px 0.5em;
+}
+ol.outline li.folded {
+  padding: 0 0 0 20px;
+  background: transparent url(../graphics/unfold-dim.gif) no-repeat 0px 0.5em;
+}
+ol.outline li.unfolded:hover {
+  padding: 0 0 0 20px;
+  background: transparent url(../graphics/fold.gif) no-repeat 0px 0.5em;
+}
+ol.outline li.folded:hover {
+  padding: 0 0 0 20px;
+  background: transparent url(../graphics/unfold.gif) no-repeat 0px 0.5em;
+}
+
+ul.outline li.nofold {
+  padding: 0 0 0 20px;
+  background: transparent url(../graphics/nofold-dim.gif) no-repeat 0px 0.5em;
+}
+ul.outline li.unfolded {
+  padding: 0 0 0 20px;
+  background: transparent url(../graphics/fold-dim.gif) no-repeat 0px 0.5em;
+}
+ul.outline li.folded {
+  padding: 0 0 0 20px;
+  background: transparent url(../graphics/unfold-dim.gif) no-repeat 0px 0.5em;
+}
+ul.outline li.unfolded:hover {
+  padding: 0 0 0 20px;
+  background: transparent url(../graphics/fold.gif) no-repeat 0px 0.5em;
+}
+ul.outline li.folded:hover {
+  padding: 0 0 0 20px;
+  background: transparent url(../graphics/unfold.gif) no-repeat 0px 0.5em;
+}
+
+/* for slides with class "title" in table of contents */
+a.titleslide { font-weight: bold; font-style: italic }
+
+/*
+ hide images for work around for save as bug
+ where browsers fail to save images used by CSS
+*/
+img.hidden { display: none; visibility: hidden }
+div.initial_prompt { display: none; visibility: hidden }
+
+  div.slide {
+     visibility: visible;
+     position: inherit;
+  }
+  div.handout {
+     border-top-style: solid;
+     border-top-width: thin;
+     border-top-color: black;
+  }
+
+@media screen {
+  .hidden { display: none; visibility: visible }
+
+  div.slide.hidden { display: block; visibility: visible }
+  div.handout.hidden { display: block; visibility: visible }
+  div.background { display: none; visibility: hidden }
+  body.single_slide div.initial_prompt { display: block; visibility: visible }
+  body.single_slide div.background { display: block; visibility: visible }
+  body.single_slide div.background.hidden { display: none; visibility: hidden }
+  body.single_slide .invisible { visibility: hidden }
+  body.single_slide .hidden { display: none; visibility: hidden }
+  body.single_slide div.slide { position: absolute }
+  body.single_slide div.handout { display: none; visibility: hidden }
+}
+
+@media print {
+  .hidden { display: block; visibility: visible }
+
+  div.slide pre { font-size: 60%; padding-left: 0.5em; }
+  div.toolbar { display: none; visibility: hidden; }
+  div.slidy_toc { display: none; visibility: hidden; }
+  div.background { display: none; visibility: hidden; }
+  div.slide { page-break-before: always }
+  /* :first-child isn't reliable for print media */
+  div.slide.first-slide { page-break-before: avoid }
+}
+
diff --git a/slidy/slidy.min.js b/slidy/slidy.min.js
index 990d7d50f..b1ea6d29b 100644
--- a/slidy/slidy.min.js
+++ b/slidy/slidy.min.js
@@ -1 +1,2881 @@
-var ns_pos=(typeof window.pageYOffset!="undefined");var khtml=((navigator.userAgent).indexOf("KHTML")>=0?true:false);var opera=((navigator.userAgent).indexOf("Opera")>=0?true:false);var ie=(typeof document.all!="undefined"&&!opera);var ie7=(!ns_pos&&navigator.userAgent.indexOf("MSIE 7")!=-1);var ie8=(!ns_pos&&navigator.userAgent.indexOf("MSIE 8")!=-1);var slidy_started=false;if(ie&&!ie8){document.write("<iframe id='historyFrame' src='javascript:\"<html></html>\"' height='1' width='1' style='position:absolute;left:-800px'></iframe>")}if(typeof beforePrint!="undefined"){window.onbeforeprint=beforePrint;window.onafterprint=afterPrint}if(ie){setTimeout(ieSlidyInit,100)}else{if(document.addEventListener){document.addEventListener("DOMContentLoaded",startup,false)}}function ieSlidyInit(){if(document.readyState=="complete"||document.readyState=="loaded"){startup()}else{setTimeout(ieSlidyInit,100)}}setTimeout(hideSlides,50);function hideSlides(){if(document.body){document.body.style.visibility="hidden"}else{setTimeout(hideSlides,50)}}var slidenum=0;var slides;var slideNumElement;var notes;var backgrounds;var toolbar;var title;var lastShown=null;var eos=null;var toc=null;var outline=null;var selectedTextLen;var viewAll=0;var wantToolbar=1;var mouseClickEnabled=true;var scrollhack=0;var key_wanted=false;var helpAnchor;var helpPage="http://www.w3.org/Talks/Tools/Slidy/help.html";var helpText="Navigate with mouse click, space bar, Cursor Left/Right, or Pg Up and Pg Dn. Use S and B to change font size.";var sizeIndex=0;var sizeAdjustment=0;var sizes=new Array("10pt","12pt","14pt","16pt","18pt","20pt","22pt","24pt","26pt","28pt","30pt","32pt");var okayForIncremental=incrementalElementList();var lastWidth=0;var lastHeight=0;var objects;var lang="en";var strings_es={slide:"pág.","help?":"Ayuda","contents?":"Índice","table of contents":"tabla de contenidos","Table of Contents":"Tabla de Contenidos","restart presentation":"Reiniciar presentación","restart?":"Inicio"};strings_es[helpText]="Utilice el ratón, barra espaciadora, teclas Izda/Dcha, o Re pág y Av pág. Use S y B para cambiar el tamaño de fuente.";var strings_ca={slide:"pàg..","help?":"Ajuda","contents?":"Índex","table of contents":"taula de continguts","Table of Contents":"Taula de Continguts","restart presentation":"Reiniciar presentació","restart?":"Inici"};strings_ca[helpText]="Utilitzi el ratolí, barra espaiadora, tecles Esq./Dta. o Re pàg y Av pàg. Usi S i B per canviar grandària de font.";var strings_nl={slide:"pagina","help?":"Help?","contents?":"Inhoud?","table of contents":"inhoudsopgave","Table of Contents":"Inhoudsopgave","restart presentation":"herstart presentatie","restart?":"Herstart?"};strings_nl[helpText]="Navigeer d.m.v. het muis, spatiebar, Links/Rechts toetsen, of PgUp en PgDn. Gebruik S en B om de karaktergrootte te veranderen.";var strings_de={slide:"Seite","help?":"Hilfe","contents?":"Übersicht","table of contents":"Inhaltsverzeichnis","Table of Contents":"Inhaltsverzeichnis","restart presentation":"Präsentation neu starten","restart?":"Neustart"};strings_de[helpText]="Benutzen Sie die Maus, Leerschlag, die Cursortasten links/rechts oder Page up/Page Down zum Wechseln der Seiten und S und B für die Schriftgrösse.";var strings_pl={slide:"slajd","help?":"pomoc?","contents?":"spis treści?","table of contents":"spis treści","Table of Contents":"Spis Treści","restart presentation":"Restartuj prezentację","restart?":"restart?"};strings_pl[helpText]="Zmieniaj slajdy klikając myszą, naciskając spację, strzałki lewo/prawolub PgUp / PgDn. Użyj klawiszy S i B, aby zmienić rozmiar czczionki.";var strings_fr={slide:"page","help?":"Aide","contents?":"Index","table of contents":"table des matières","Table of Contents":"Table des matières","restart presentation":"Recommencer l'exposé","restart?":"Début"};strings_fr[helpText]="Naviguez avec la souris, la barre d'espace, les flèches gauche/droite ou les touches Pg Up, Pg Dn. Utilisez les touches S et B pour modifier la taille de la police.";var strings_hu={slide:"oldal","help?":"segítség","contents?":"tartalom","table of contents":"tartalomjegyzék","Table of Contents":"Tartalomjegyzék","restart presentation":"bemutató újraindítása","restart?":"újraindítás"};strings_hu[helpText]="Az oldalak közti lépkedéshez kattintson az egérrel, vagy használja a szóköz, a bal, vagy a jobb nyíl, illetve a Page Down, Page Up billentyűket. Az S és a B billentyűkkel változtathatja a szöveg méretét.";var strings_it={slide:"pag.","help?":"Aiuto","contents?":"Indice","table of contents":"indice","Table of Contents":"Indice","restart presentation":"Ricominciare la presentazione","restart?":"Inizio"};strings_it[helpText]="Navigare con mouse, barra spazio, frecce sinistra/destra o PgUp e PgDn. Usare S e B per cambiare la dimensione dei caratteri.";var strings_el={slide:"σελίδα","help?":"βοήθεια;","contents?":"περιεχόμενα;","table of contents":"πίνακας περιεχομένων","Table of Contents":"Πίνακας Περιεχομένων","restart presentation":"επανεκκίνηση παρουσίασης","restart?":"επανεκκίνηση;"};strings_el[helpText]="Πλοηγηθείτε με το κλίκ του ποντικιού, το space, τα βέλη αριστερά/δεξιά, ή Page Up και Page Down. Χρησιμοποιήστε τα πλήκτρα S και B για να αλλάξετε το μέγεθος της γραμματοσειράς.";var strings_ja={slide:"スライド","help?":"ヘルプ","contents?":"目次","table of contents":"目次を表示","Table of Contents":"目次","restart presentation":"最初から再生","restart?":"最初から"};strings_ja[helpText]="マウス左クリック ・ スペース ・ 左右キー または Page Up ・ Page Downで操作， S ・ Bでフォントサイズ変更";var strings_zh={slide:"幻灯片","help?":"帮助?","contents?":"内容?","table of contents":"目录","Table of Contents":"目录","restart presentation":"重新启动展示","restart?":"重新启动?"};strings_zh[helpText]="用鼠标点击, 空格条, 左右箭头, Pg Up 和 Pg Dn 导航. 用 S, B 改变字体大小.";var strings_ru={slide:"слайд","help?":"помощь?","contents?":"содержание?","table of contents":"оглавление","Table of Contents":"Оглавление","restart presentation":"перезапустить презентацию","restart?":"перезапуск?"};strings_ru[helpText]="Перемещайтесь кликая мышкой, используя клавишу пробел, стрелкивлево/вправо или Pg Up и Pg Dn. Клавиши S и B меняют размер шрифта.";var strings_sv={slide:"sida","help?":"hjälp","contents?":"innehåll","table of contents":"innehållsförteckning","Table of Contents":"Innehållsförteckning","restart presentation":"visa presentationen från början","restart?":"börja om"};strings_sv[helpText]="Bläddra med ett klick med vänstra musknappen, mellanslagstangenten, vänster- och högerpiltangenterna eller tangenterna Pg Up, Pg Dn. Använd tangenterna S och B för att ändra textens storlek.";var localize={es:strings_es,ca:strings_ca,nl:strings_nl,de:strings_de,pl:strings_pl,fr:strings_fr,hu:strings_hu,it:strings_it,el:strings_el,jp:strings_ja,zh:strings_zh,ru:strings_ru,sv:strings_sv};function startup(){if(slidy_started){alert("already started");return}slidy_started=true;lang=document.body.parentNode.getAttribute("lang");if(!lang){lang=document.body.parentNode.getAttribute("xml:lang")}if(!lang){lang="en"}document.body.style.visibility="visible";title=document.title;toolbar=addToolbar();wrapImplicitSlides();slides=collectSlides();notes=collectNotes();objects=document.body.getElementsByTagName("object");backgrounds=collectBackgrounds();patchAnchors();slidenum=findSlideNumber(location.href);window.offscreenbuffering=true;sizeAdjustment=findSizeAdjust();hideImageToolbar();initOutliner();if(slides.length>0){var slide=slides[slidenum];slide.style.position="absolute";if(slidenum>0){setVisibilityAllIncremental("visible");lastShown=previousIncrementalItem(null);setEosStatus(true)}else{lastShown=null;setVisibilityAllIncremental("hidden");setEosStatus(!nextIncrementalItem(lastShown))}setLocation()}toc=tableOfContents();hideTableOfContents();document.onclick=mouseButtonClick;document.onmouseup=mouseButtonUp;document.onkeydown=keyDown;if(opera){document.onkeypress=keyPress}window.onresize=resized;window.onscroll=scrolled;window.onunload=unloaded;singleSlideView();setLocation();resized();if(ie7){setTimeout("ieHack()",100)}showToolbar();setInterval("checkLocation()",200)}String.prototype.localize=function(){if(this==""){return this}var s,lookup=localize[lang];if(lookup){s=lookup[this];if(s){return s}}var lg=lang.split("-");if(lg.length>1){lookup=localize[lg[0]];if(lookup){s=lookup[this];if(s){return s}}}return this};function hideImageToolbar(){if(!ns_pos){var images=document.getElementsByTagName("IMG");for(var i=0;i<images.length;++i){images[i].setAttribute("galleryimg","no")}}}function ieHack(){window.resizeBy(0,-1);window.resizeBy(0,1)}function unloaded(e){}function reload(e){if(!e){var e=window.event}hideBackgrounds();setTimeout("document.reload();",100);stopPropagation(e);e.cancel=true;e.returnValue=false;return false}function isKHTML(){var agent=navigator.userAgent;return(agent.indexOf("KHTML")>=0?true:false)}function resized(){var width=0;if(typeof(window.innerWidth)=="number"){width=window.innerWidth}else{if(document.documentElement&&document.documentElement.clientWidth){width=document.documentElement.clientWidth}else{if(document.body&&document.body.clientWidth){width=document.body.clientWidth}}}var height=0;if(typeof(window.innerHeight)=="number"){height=window.innerHeight}else{if(document.documentElement&&document.documentElement.clientHeight){height=document.documentElement.clientHeight}else{if(document.body&&document.body.clientHeight){height=document.body.clientHeight}}}if(height&&(width/height>1.05*1024/768)){width=height*1024/768}if(width!=lastWidth||height!=lastHeight){if(width>=1100){sizeIndex=5}else{if(width>=1000){sizeIndex=4}else{if(width>=800){sizeIndex=3}else{if(width>=600){sizeIndex=2}else{if(width){sizeIndex=0}}}}}if(0<=sizeIndex+sizeAdjustment&&sizeIndex+sizeAdjustment<sizes.length){sizeIndex=sizeIndex+sizeAdjustment}adjustObjectDimensions(width,height);document.body.style.fontSize=sizes[sizeIndex];lastWidth=width;lastHeight=height;var slide=slides[slidenum];hideSlide(slide);showSlide(slide);refreshToolbar(200)}}function scrolled(){if(toolbar&&!ns_pos&&!ie7){hackoffset=scrollXOffset();toolbar.style.display="none";if(scrollhack==0&&!viewAll){setTimeout(showToolbar,1000);scrollhack=1}}}function refreshToolbar(interval){if(!ns_pos&&!ie7){hideToolbar();setTimeout(showToolbar,interval)}}function showToolbar(){if(wantToolbar){if(!ns_pos){var xoffset=scrollXOffset();toolbar.style.left=xoffset;toolbar.style.right=xoffset;toolbar.style.bottom=0}toolbar.style.display="block";toolbar.style.visibility="visible"}scrollhack=0;try{if(!opera){helpAnchor.focus()}}catch(e){}}function hideToolbar(){toolbar.style.display="none";toolbar.style.visibility="hidden";window.focus()}function toggleToolbar(){if(!viewAll){if(toolbar.style.display=="none"){toolbar.style.display="block";toolbar.style.visibility="visible";wantToolbar=1}else{toolbar.style.display="none";toolbar.style.visibility="hidden";wantToolbar=0}}}function scrollXOffset(){if(window.pageXOffset){return self.pageXOffset}if(document.documentElement&&document.documentElement.scrollLeft){return document.documentElement.scrollLeft}if(document.body){return document.body.scrollLeft}return 0}function scrollYOffset(){if(window.pageYOffset){return self.pageYOffset}if(document.documentElement&&document.documentElement.scrollTop){return document.documentElement.scrollTop}if(document.body){return document.body.scrollTop}return 0}function optimizeFontSize(){var slide=slides[slidenum];var dh=slide.scrollHeight;var wh=getWindowHeight();var u=100*dh/wh;alert("window utilization = "+u+"% (doc "+dh+" win "+wh+")")}function getDocHeight(doc){if(!doc){doc=document}if(doc&&doc.body&&doc.body.offsetHeight){return doc.body.offsetHeight}if(doc&&doc.body&&doc.body.scrollHeight){return doc.body.scrollHeight}alert("couldn't determine document height")}function getWindowHeight(){if(typeof(window.innerHeight)=="number"){return window.innerHeight}if(document.documentElement&&document.documentElement.clientHeight){return document.documentElement.clientHeight}if(document.body&&document.body.clientHeight){return document.body.clientHeight}}function documentHeight(){var sh,oh;sh=document.body.scrollHeight;oh=document.body.offsetHeight;if(sh&&oh){return(sh>oh?sh:oh)}return 0}function smaller(){if(sizeIndex>0){--sizeIndex}toolbar.style.display="none";document.body.style.fontSize=sizes[sizeIndex];var slide=slides[slidenum];hideSlide(slide);showSlide(slide);setTimeout(showToolbar,300)}function bigger(){if(sizeIndex<sizes.length-1){++sizeIndex}toolbar.style.display="none";document.body.style.fontSize=sizes[sizeIndex];var slide=slides[slidenum];hideSlide(slide);showSlide(slide);setTimeout(showToolbar,300)}function adjustObjectDimensions(width,height){for(var i=0;i<objects.length;i++){var obj=objects[i];var mimeType=obj.getAttribute("type");if(mimeType=="image/svg+xml"||mimeType=="application/x-shockwave-flash"){if(!obj.initialWidth){obj.initialWidth=obj.getAttribute("width")}if(!obj.initialHeight){obj.initialHeight=obj.getAttribute("height")}if(obj.initialWidth&&obj.initialWidth.charAt(obj.initialWidth.length-1)=="%"){var w=parseInt(obj.initialWidth.slice(0,obj.initialWidth.length-1));var newW=width*(w/100);obj.setAttribute("width",newW)}if(obj.initialHeight&&obj.initialHeight.charAt(obj.initialHeight.length-1)=="%"){var h=parseInt(obj.initialHeight.slice(0,obj.initialHeight.length-1));var newH=height*(h/100);obj.setAttribute("height",newH)}}}}function cancel(event){if(event){event.cancel=true;event.returnValue=false;if(event.preventDefault){event.preventDefault()}}return false}function keyDown(event){var key;if(!event){var event=window.event}key_wanted=false;if(window.event){key=window.event.keyCode}else{if(event.which){key=event.which}else{return true}}if(!key){return true}if(event.ctrlKey||event.altKey||event.metaKey){return true}if(isShownToc()&&key!=9&&key!=16&&key!=38&&key!=40){hideTableOfContents();if(key==27||key==84||key==67){return cancel(event)}}key_wanted=true;if(key==34){if(viewAll){return true}nextSlide(false);return cancel(event)}else{if(key==33){if(viewAll){return true}previousSlide(false);return cancel(event)}else{if(key==32){nextSlide(true);return cancel(event)}else{if(key==37){previousSlide(!event.shiftKey);return cancel(event)}else{if(key==36){firstSlide();return cancel(event)}else{if(key==35){lastSlide();return cancel(event)}else{if(key==39){nextSlide(!event.shiftKey);return cancel(event)}else{if(key==13){if(outline){if(outline.visible){fold(outline)}else{unfold(outline)}return cancel(event)}}else{if(key==188){smaller();return cancel(event)}else{if(key==190){bigger();return cancel(event)}else{if(key==189||key==109){smaller();return cancel(event)}else{if(key==187||key==191||key==107){bigger();return cancel(event)}else{if(key==83){smaller();return cancel(event)}else{if(key==66){bigger();return cancel(event)}else{if(key==90){lastSlide();return cancel(event)}else{if(key==70){toggleToolbar();return cancel(event)}else{if(key==65){toggleView();return cancel(event)}else{if(key==75){mouseClickEnabled=!mouseClickEnabled;alert((mouseClickEnabled?"enabled":"disabled")+" mouse click advance");return cancel(event)}else{if(key==84||key==67){if(toc){showTableOfContents()}return cancel(event)}else{if(key==72){window.location=helpPage;return cancel(event)}}}}}}}}}}}}}}}}}}}}key_wanted=false;return true}function keyPress(event){if(!event){event=window.event}return key_wanted?cancel(event):true}function mouseButtonUp(e){selectedTextLen=getSelectedText().length}function mouseButtonClick(e){var rightclick=false;var leftclick=false;var middleclick=false;var target;if(!e){var e=window.event}if(e.target){target=e.target}else{if(e.srcElement){target=e.srcElement}}if(target.nodeType==3){target=target.parentNode}if(e.which){leftclick=(e.which==1);middleclick=(e.which==2);rightclick=(e.which==3)}else{if(e.button){if(e.button==4){middleclick=true}rightclick=(e.button==2)}else{leftclick=true}}if(selectedTextLen>0){stopPropagation(e);e.cancel=true;e.returnValue=false;return false}hideTableOfContents();if(mouseClickEnabled&&leftclick&&target.nodeName!="EMBED"&&target.nodeName!="OBJECT"&&target.nodeName!="VIDEO"&&target.nodeName!="INPUT"&&target.nodeName!="TEXTAREA"&&target.nodeName!="SELECT"&&target.nodeName!="OPTION"){nextSlide(true);stopPropagation(e);e.cancel=true;e.returnValue=false}}function previousSlide(incremental){if(!viewAll){var slide;if((incremental||slidenum==0)&&lastShown!=null){lastShown=hidePreviousItem(lastShown);setEosStatus(false)}else{if(slidenum>0){slide=slides[slidenum];hideSlide(slide);slidenum=slidenum-1;slide=slides[slidenum];setVisibilityAllIncremental("visible");lastShown=previousIncrementalItem(null);setEosStatus(true);showSlide(slide)}}setLocation();if(!ns_pos){refreshToolbar(200)}}}function nextSlide(incremental){if(!viewAll){var slide,last=lastShown;if(incremental||slidenum==slides.length-1){lastShown=revealNextItem(lastShown)}if((!incremental||lastShown==null)&&slidenum<slides.length-1){slide=slides[slidenum];hideSlide(slide);slidenum=slidenum+1;slide=slides[slidenum];lastShown=null;setVisibilityAllIncremental("hidden");showSlide(slide)}else{if(!lastShown){if(last&&incremental){lastShown=last}}}setLocation();setEosStatus(!nextIncrementalItem(lastShown));if(!ns_pos){refreshToolbar(200)}}}function firstSlide(){if(!viewAll){var slide;if(slidenum!=0){slide=slides[slidenum];hideSlide(slide);slidenum=0;slide=slides[slidenum];lastShown=null;setVisibilityAllIncremental("hidden");showSlide(slide)}setEosStatus(!nextIncrementalItem(lastShown));setLocation()}}function lastSlide(){if(!viewAll){var slide;lastShown=null;if(lastShown==null&&slidenum<slides.length-1){slide=slides[slidenum];hideSlide(slide);slidenum=slides.length-1;slide=slides[slidenum];setVisibilityAllIncremental("visible");lastShown=previousIncrementalItem(null);showSlide(slide)}else{setVisibilityAllIncremental("visible");lastShown=previousIncrementalItem(null)}setEosStatus(true);setLocation()}}function gotoSlide(num){var slide=slides[slidenum];hideSlide(slide);slidenum=num;slide=slides[slidenum];lastShown=null;setVisibilityAllIncremental("hidden");setEosStatus(!nextIncrementalItem(lastShown));document.title=title+" ("+(slidenum+1)+")";showSlide(slide);showSlideNumber()}function setEosStatus(state){if(eos){eos.style.color=(state?"rgb(240,240,240)":"red")}}function showSlide(slide){syncBackground(slide);window.scrollTo(0,0);slide.style.visibility="visible";slide.style.display="block"}function hideSlide(slide){slide.style.visibility="hidden";slide.style.display="none"}function beforePrint(){showAllSlides();hideToolbar()}function afterPrint(){if(!viewAll){singleSlideView();showToolbar()}}function printSlides(){beforePrint();window.print();afterPrint()}function toggleView(){if(viewAll){singleSlideView();showToolbar();viewAll=0}else{showAllSlides();hideToolbar();viewAll=1}}function showAllSlides(){var slide;for(var i=0;i<slides.length;++i){slide=slides[i];slide.style.position="relative";slide.style.borderTopStyle="solid";slide.style.borderTopWidth="thin";slide.style.borderTopColor="black";try{if(i==0){slide.style.pageBreakBefore="avoid"}else{slide.style.pageBreakBefore="always"}}catch(e){}setVisibilityAllIncremental("visible");showSlide(slide)}var note;for(var i=0;i<notes.length;++i){showSlide(notes[i])}hideBackgrounds()}function singleSlideView(){var slide;for(var i=0;i<slides.length;++i){slide=slides[i];slide.style.position="absolute";if(i==slidenum){slide.style.borderStyle="none";showSlide(slide)}else{slide.style.borderStyle="none";hideSlide(slide)}}setVisibilityAllIncremental("visible");lastShown=previousIncrementalItem(null);var note;for(var i=0;i<notes.length;++i){hideSlide(notes[i])}}function hasToken(str,token){if(str){var pattern=/\w+/g;var result=str.match(pattern);for(var i=0;i<result.length;i++){if(result[i]==token){return true}}}return false}function getClassList(element){if(typeof element.className!="undefined"){return element.className}var clsname=(ns_pos||ie8)?"class":"className";return element.getAttribute(clsname)}function hasClass(element,name){var regexp=new RegExp("(^| )"+name+"W*");if(typeof element.className!="undefined"){return regexp.test(element.className)}var clsname=(ns_pos||ie8)?"class":"className";return regexp.test(element.getAttribute(clsname))}function removeClass(element,name){var regexp=new RegExp("(^| )"+name+"W*");var clsval="";if(typeof element.className!="undefined"){clsval=element.className;if(clsval){clsval=clsval.replace(regexp,"");element.className=clsval}}else{var clsname=(ns_pos||ie8)?"class":"className";clsval=element.getAttribute(clsname);if(clsval){clsval=clsval.replace(regexp,"");element.setAttribute(clsname,clsval)}}}function addClass(element,name){if(!hasClass(element,name)){if(typeof element.className!="undefined"){element.className+=" "+name}else{var clsname=(ns_pos||ie8)?"class":"className";var clsval=element.getAttribute(clsname);clsval=clsval?clsval+" "+name:name;element.setAttribute(clsname,clsval)}}}function wrapImplicitSlides(){var i,heading,node,next,div;var headings=document.getElementsByTagName("h1");if(!headings){return}for(i=0;i<headings.length;++i){heading=headings[i];if(heading.parentNode!=document.body){continue}node=heading.nextSibling;div=document.createElement("div");addClass(div,"slide");document.body.replaceChild(div,heading);div.appendChild(heading);while(node){if(node.nodeType==1&&(node.nodeName=="H1"||node.nodeName=="h1"||node.nodeName=="DIV"||node.nodeName=="div")){break}next=node.nextSibling;node=document.body.removeChild(node);div.appendChild(node);node=next}}}function collectSlides(){var slides=new Array();var divs=document.body.getElementsByTagName("div");for(var i=0;i<divs.length;++i){div=divs.item(i);if(hasClass(div,"slide")){slides[slides.length]=div;div.style.display="none";div.style.visibility="hidden";var node1=document.createElement("br");div.appendChild(node1);var node2=document.createElement("br");div.appendChild(node2)}else{if(hasClass(div,"background")){div.style.display="block"}}}return slides}function collectNotes(){var notes=new Array();var divs=document.body.getElementsByTagName("div");for(var i=0;i<divs.length;++i){div=divs.item(i);if(hasClass(div,"handout")){notes[notes.length]=div;div.style.display="none";div.style.visibility="hidden"}}return notes}function collectBackgrounds(){var backgrounds=new Array();var divs=document.body.getElementsByTagName("div");for(var i=0;i<divs.length;++i){div=divs.item(i);if(hasClass(div,"background")){backgrounds[backgrounds.length]=div;if(getClassList(div)!="background"){div.style.display="none";div.style.visibility="hidden"}}}return backgrounds}function syncBackground(slide){var background;var bgColor;if(slide.currentStyle){bgColor=slide.currentStyle.backgroundColor}else{if(document.defaultView){var styles=document.defaultView.getComputedStyle(slide,null);if(styles){bgColor=styles.getPropertyValue("background-color")}else{bgColor="transparent"}}else{bgColor=="transparent"}}if(bgColor=="transparent"){var slideClass=getClassList(slide);for(var i=0;i<backgrounds.length;i++){background=backgrounds[i];var bgClass=getClassList(background);if(matchingBackground(slideClass,bgClass)){background.style.display="block";background.style.visibility="visible"}else{background.style.display="none";background.style.visibility="hidden"}}}else{hideBackgrounds()}}function hideBackgrounds(){for(var i=0;i<backgrounds.length;i++){background=backgrounds[i];background.style.display="none";background.style.visibility="hidden"}}function matchingBackground(slideClass,bgClass){if(bgClass=="background"){return true}var pattern=/\w+/g;var result=slideClass.match(pattern);for(var i=0;i<result.length;i++){if(hasToken(bgClass,result[i])){return true}}return false}function nextNode(root,node){if(node==null){return root.firstChild}if(node.firstChild){return node.firstChild}if(node.nextSibling){return node.nextSibling}for(;;){node=node.parentNode;if(!node||node==root){break}if(node&&node.nextSibling){return node.nextSibling}}return null}function previousNode(root,node){if(node==null){node=root.lastChild;if(node){while(node.lastChild){node=node.lastChild}}return node}if(node.previousSibling){node=node.previousSibling;while(node.lastChild){node=node.lastChild}return node}if(node.parentNode!=root){return node.parentNode}return null}function incrementalElementList(){var inclist=new Array();inclist.P=true;inclist.PRE=true;inclist.LI=true;inclist.BLOCKQUOTE=true;inclist.DT=true;inclist.DD=true;inclist.H2=true;inclist.H3=true;inclist.H4=true;inclist.H5=true;inclist.H6=true;inclist.SPAN=true;inclist.ADDRESS=true;inclist.TABLE=true;inclist.TR=true;inclist.TH=true;inclist.TD=true;inclist.IMG=true;inclist.OBJECT=true;return inclist}function nextIncrementalItem(node){var slide=slides[slidenum];for(;;){node=nextNode(slide,node);if(node==null||node.parentNode==null){break}if(node.nodeType==1){if(node.nodeName=="BR"){continue}if(hasClass(node,"incremental")&&okayForIncremental[node.nodeName]){return node}if(hasClass(node.parentNode,"incremental")&&!hasClass(node,"non-incremental")){return node}}}return node}function previousIncrementalItem(node){var slide=slides[slidenum];for(;;){node=previousNode(slide,node);if(node==null||node.parentNode==null){break}if(node.nodeType==1){if(node.nodeName=="BR"){continue}if(hasClass(node,"incremental")&&okayForIncremental[node.nodeName]){return node}if(hasClass(node.parentNode,"incremental")&&!hasClass(node,"non-incremental")){return node}}}return node}function setVisibilityAllIncremental(value){var node=nextIncrementalItem(null);while(node){node.style.visibility=value;node=nextIncrementalItem(node)}}function revealNextItem(node){node=nextIncrementalItem(node);if(node&&node.nodeType==1){node.style.visibility="visible"}return node}function hidePreviousItem(node){if(node&&node.nodeType==1){node.style.visibility="hidden"}return previousIncrementalItem(node)}function patchAnchors(){var anchors=document.body.getElementsByTagName("a");for(var i=0;i<anchors.length;++i){anchors[i].onclick=clickedAnchor}}function clickedAnchor(e){if(!e){var e=window.event}if(pageAddress(this.href)==pageAddress(location.href)){var newslidenum=findSlideNumber(this.href);if(newslidenum!=slidenum){slide=slides[slidenum];hideSlide(slide);slidenum=newslidenum;slide=slides[slidenum];showSlide(slide);setLocation()}}else{if(this.target==null){location.href=this.href}}this.blur();stopPropagation(e)}function pageAddress(uri){var i=uri.indexOf("#");if(i<0){i=uri.indexOf("%23")}if(i<0){return uri}return uri.substr(0,i)}function showSlideNumber(){slideNumElement.innerHTML="slide".localize()+" "+(slidenum+1)+"/"+slides.length}function checkLocation(){var hash=location.hash;if(slidenum>0&&(hash==""||hash=="#")){gotoSlide(0)}else{if(hash.length>2&&hash!="#("+(slidenum+1)+")"){var num=parseInt(location.hash.substr(2));if(!isNaN(num)){gotoSlide(num-1)}}}}function setLocation(){var uri=pageAddress(location.href);var hash="#("+(slidenum+1)+")";if(slidenum>=0){uri=uri+hash}if(ie&&!ie8){pushHash(hash)}if(uri!=location.href){location.href=uri}if(khtml){hash="("+(slidenum+1)+")"}if(!ie&&location.hash!=hash&&location.hash!=""){location.hash=hash}document.title=title+" ("+(slidenum+1)+")";showSlideNumber()}function onFrameLoaded(hash){location.hash=hash;var uri=pageAddress(location.href);location.href=uri+hash}function pushHash(hash){if(hash==""){hash="#(1)"}window.location.hash=hash;var doc=document.getElementById("historyFrame").contentWindow.document;doc.open("javascript:'<html></html>'");doc.write('<html><head><script type="text/javascript">parent.onFrameLoaded(\''+(hash)+"');<\/script></head><body>hello mum</body></html>");doc.close()}function findSlideNumber(uri){var i=uri.indexOf("#");if(i<0){return 0}var anchor=unescape(uri.substr(i+1));var target=document.getElementById(anchor);if(!target){var re=/\((\d)+\)/;if(anchor.match(re)){var num=parseInt(anchor.substring(1,anchor.length-1));if(num>slides.length){num=1}if(--num<0){num=0}return num}re=/\[(\d)+\]/;if(anchor.match(re)){var num=parseInt(anchor.substring(1,anchor.length-1));if(num>slides.length){num=1}if(--num<0){num=0}return num}return 0}while(true){if(target.nodeName.toLowerCase()=="div"&&hasClass(target,"slide")){break}target=target.parentNode;if(!target){return 0}}for(i=0;i<slides.length;++i){if(slides[i]==target){return i}}return 0}function slideName(index){var name=null;var slide=slides[index];var heading=findHeading(slide);if(heading){name=extractText(heading)}if(!name){name=title+"("+(index+1)+")"}name.replace(/\&/g,"&amp;");name.replace(/\</g,"&lt;");name.replace(/\>/g,"&gt;");return name}function findHeading(node){if(!node||node.nodeType!=1){return null}if(node.nodeName=="H1"||node.nodeName=="h1"){return node}var child=node.firstChild;while(child){node=findHeading(child);if(node){return node}child=child.nextSibling}return null}function extractText(node){if(!node){return""}if(node.nodeType==3){return node.nodeValue}if(node.nodeType==1){node=node.firstChild;var text="";while(node){text=text+extractText(node);node=node.nextSibling}return text}return""}function findCopyright(){var name,content;var meta=document.getElementsByTagName("meta");for(var i=0;i<meta.length;++i){name=meta[i].getAttribute("name");content=meta[i].getAttribute("content");if(name=="copyright"){return content}}return null}function findSizeAdjust(){var name,content,offset;var meta=document.getElementsByTagName("meta");for(var i=0;i<meta.length;++i){name=meta[i].getAttribute("name");content=meta[i].getAttribute("content");if(name=="font-size-adjustment"){return 1*content}}return 1}function addToolbar(){var slideCounter,page;var toolbar=createElement("div");toolbar.setAttribute("class","toolbar");if(ns_pos){var right=document.createElement("div");right.setAttribute("style","float: right; text-align: right");slideCounter=document.createElement("div");slideCounter.innerHTML="slide".localize()+" n/m";right.appendChild(slideCounter);toolbar.appendChild(right);var left=document.createElement("div");left.setAttribute("style","text-align: left");eos=document.createElement("span");eos.innerHTML="* ";left.appendChild(eos);var help=document.createElement("a");help.setAttribute("href",helpPage);help.setAttribute("title",helpText.localize());help.innerHTML="help?".localize();left.appendChild(help);helpAnchor=help;var gap1=document.createTextNode(" ");left.appendChild(gap1);var contents=document.createElement("a");contents.setAttribute("href","javascript:toggleTableOfContents()");contents.setAttribute("title","table of contents".localize());contents.innerHTML="contents?".localize();left.appendChild(contents);var gap2=document.createTextNode(" ");left.appendChild(gap2);var start=document.createElement("a");start.setAttribute("href","javascript:firstSlide()");start.setAttribute("title","restart presentation".localize());start.innerHTML="restart?".localize();left.appendChild(start);var copyright=findCopyright();if(copyright){var span=document.createElement("span");span.innerHTML=copyright;span.style.color="black";span.style.marginLeft="4em";left.appendChild(span)}toolbar.appendChild(left)}else{toolbar.style.position=(ie7?"fixed":"absolute");toolbar.style.zIndex="200";toolbar.style.width="99.9%";toolbar.style.height="1.2em";toolbar.style.top="auto";toolbar.style.bottom="0";toolbar.style.left="0";toolbar.style.right="0";toolbar.style.textAlign="left";toolbar.style.fontSize="60%";toolbar.style.color="red";toolbar.borderWidth=0;toolbar.className="toolbar";toolbar.style.background="rgb(240,240,240)";var sp=document.createElement("span");sp.innerHTML="&nbsp;&nbsp;*&nbsp;";toolbar.appendChild(sp);eos=sp;var help=document.createElement("a");help.setAttribute("href",helpPage);help.setAttribute("title",helpText.localize());help.innerHTML="help?".localize();toolbar.appendChild(help);helpAnchor=help;var gap1=document.createTextNode(" ");toolbar.appendChild(gap1);var contents=document.createElement("a");contents.setAttribute("href","javascript:toggleTableOfContents()");contents.setAttribute("title","table of contents".localize());contents.innerHTML="contents?".localize();toolbar.appendChild(contents);var gap2=document.createTextNode(" ");toolbar.appendChild(gap2);var start=document.createElement("a");start.setAttribute("href","javascript:firstSlide()");start.setAttribute("title","restart presentation".localize());start.innerHTML="restart?".localize();toolbar.appendChild(start);var copyright=findCopyright();if(copyright){var span=document.createElement("span");span.innerHTML=copyright;span.style.color="black";span.style.marginLeft="2em";toolbar.appendChild(span)}slideCounter=document.createElement("div");slideCounter.style.position="absolute";slideCounter.style.width="auto";slideCounter.style.height="1.2em";slideCounter.style.top="auto";slideCounter.style.bottom=0;slideCounter.style.right="0";slideCounter.style.textAlign="right";slideCounter.style.color="red";slideCounter.style.background="rgb(240,240,240)";slideCounter.innerHTML="slide".localize()+" n/m";toolbar.appendChild(slideCounter)}toolbar.onclick=stopPropagation;document.body.appendChild(toolbar);slideNumElement=slideCounter;setEosStatus(false);return toolbar}function isShownToc(){if(toc&&toc.style.visible=="visible"){return true}return false}function showTableOfContents(){if(toc){if(toc.style.visibility!="visible"){toc.style.visibility="visible";toc.style.display="block";toc.focus();if(ie7&&slidenum==0){setTimeout("ieHack()",100)}}else{hideTableOfContents()}}}function hideTableOfContents(){if(toc&&toc.style.visibility!="hidden"){toc.style.visibility="hidden";toc.style.display="none";try{if(!opera){helpAnchor.focus()}}catch(e){}}}function toggleTableOfContents(){if(toc){if(toc.style.visible!="visible"){showTableOfContents()}else{hideTableOfContents()}}}function gotoEntry(e){var target;if(!e){var e=window.event}if(e.target){target=e.target}else{if(e.srcElement){target=e.srcElement}}if(target.nodeType==3){target=target.parentNode}if(target&&target.nodeType==1){var uri=target.getAttribute("href");if(uri){var slide=slides[slidenum];hideSlide(slide);slidenum=findSlideNumber(uri);slide=slides[slidenum];lastShown=null;setLocation();setVisibilityAllIncremental("hidden");setEosStatus(!nextIncrementalItem(lastShown));showSlide(slide);try{if(!opera){helpAnchor.focus()}}catch(e){}}}hideTableOfContents(e);if(ie7){ieHack()}stopPropagation(e);return cancel(e)}function gotoTocEntry(event){var key;if(!event){var event=window.event}if(window.event){key=window.event.keyCode}else{if(event.which){key=event.which}else{return true}}if(!key){return true}if(event.ctrlKey||event.altKey){return true}if(key==13){var uri=this.getAttribute("href");if(uri){var slide=slides[slidenum];hideSlide(slide);slidenum=findSlideNumber(uri);slide=slides[slidenum];lastShown=null;setLocation();setVisibilityAllIncremental("hidden");setEosStatus(!nextIncrementalItem(lastShown));showSlide(slide);try{if(!opera){helpAnchor.focus()}}catch(e){}}hideTableOfContents();if(ie7){ieHack()}return cancel(event)}if(key==40&&this.next){this.next.focus();return cancel(event)}if(key==38&&this.previous){this.previous.focus();return cancel(event)}return true}function isTitleSlide(slide){return hasClass(slide,"title")}function tableOfContents(){var toc=document.createElement("div");addClass(toc,"toc");var heading=document.createElement("div");addClass(heading,"toc-heading");heading.innerHTML="Table of Contents".localize();heading.style.textAlign="center";heading.style.width="100%";heading.style.margin="0";heading.style.marginBottom="1em";heading.style.borderBottomStyle="solid";heading.style.borderBottomColor="rgb(180,180,180)";heading.style.borderBottomWidth="1px";toc.appendChild(heading);var previous=null;for(var i=0;i<slides.length;++i){var title=hasClass(slides[i],"title");var num=document.createTextNode((i+1)+". ");toc.appendChild(num);var a=document.createElement("a");a.setAttribute("href","#("+(i+1)+")");if(title){addClass(a,"titleslide")}var name=document.createTextNode(slideName(i));a.appendChild(name);a.onclick=gotoEntry;a.onkeydown=gotoTocEntry;a.previous=previous;if(previous){previous.next=a}toc.appendChild(a);if(i==0){toc.first=a}if(i<slides.length-1){var br=document.createElement("br");toc.appendChild(br)}previous=a}toc.focus=function(){if(this.first){this.first.focus()}};toc.onmouseup=mouseButtonUp;toc.onclick=function(e){e||(e=window.event);if(selectedTextLen<=0){hideTableOfContents()}stopPropagation(e);if(e.cancel!=undefined){e.cancel=true}if(e.returnValue!=undefined){e.returnValue=false}return false};toc.style.position="absolute";toc.style.zIndex="300";toc.style.width="60%";toc.style.maxWidth="30em";toc.style.height="30em";toc.style.overflow="auto";toc.style.top="auto";toc.style.right="auto";toc.style.left="4em";toc.style.bottom="4em";toc.style.padding="1em";toc.style.background="rgb(240,240,240)";toc.style.borderStyle="solid";toc.style.borderWidth="2px";toc.style.fontSize="60%";document.body.insertBefore(toc,document.body.firstChild);return toc}function replaceByNonBreakingSpace(str){for(var i=0;i<str.length;++i){str[i]=160}}function initOutliner(){var items=document.getElementsByTagName("LI");for(var i=0;i<items.length;++i){var target=items[i];if(!hasClass(target.parentNode,"outline")){continue}target.onclick=outlineClick;if(!ns_pos){target.onmouseover=hoverOutline;target.onmouseout=unhoverOutline}if(foldable(target)){target.foldable=true;target.onfocus=function(){outline=this};target.onblur=function(){outline=null};if(!target.getAttribute("tabindex")){target.setAttribute("tabindex","0")}if(hasClass(target,"expand")){unfold(target)}else{fold(target)}}else{addClass(target,"nofold");target.visible=true;target.foldable=false}}}function foldable(item){if(!item||item.nodeType!=1){return false}var node=item.firstChild;while(node){if(node.nodeType==1&&isBlock(node)){return true}node=node.nextSibling}return false}function fold(item){if(item){removeClass(item,"unfolded");addClass(item,"folded")}var node=item?item.firstChild:null;while(node){if(node.nodeType==1&&isBlock(node)){node.display=getElementStyle(node,"display","display");node.style.display="none";node.style.visibility="hidden"}node=node.nextSibling}item.visible=false}function unfold(item){if(item){addClass(item,"unfolded");removeClass(item,"folded")}var node=item?item.firstChild:null;while(node){if(node.nodeType==1&&isBlock(node)){node.style.display=(node.display?node.display:"block");node.style.visibility="visible"}node=node.nextSibling}item.visible=true}function outlineClick(e){var rightclick=false;var target;if(!e){var e=window.event}if(e.target){target=e.target}else{if(e.srcElement){target=e.srcElement}}if(target.nodeType==3){target=target.parentNode}while(target&&target.visible==undefined){target=target.parentNode}if(!target){return true}if(e.which){rightclick=(e.which==3)}else{if(e.button){rightclick=(e.button==2)}}if(!rightclick&&target.visible!=undefined){if(target.foldable){if(target.visible){fold(target)}else{unfold(target)}}stopPropagation(e);e.cancel=true;e.returnValue=false}return false}function hoverOutline(e){var target;if(!e){var e=window.event}if(e.target){target=e.target}else{if(e.srcElement){target=e.srcElement}}if(target.nodeType==3){target=target.parentNode}while(target&&target.visible==undefined){target=target.parentNode}if(target&&target.foldable){target.style.cursor="pointer"}return true}function unhoverOutline(e){var target;if(!e){var e=window.event}if(e.target){target=e.target}else{if(e.srcElement){target=e.srcElement}}if(target.nodeType==3){target=target.parentNode}while(target&&target.visible==undefined){target=target.parentNode}if(target){target.style.cursor="default"}return true}function stopPropagation(e){if(window.event){window.event.cancelBubble=true}else{if(e){e.cancelBubble=true;e.stopPropagation()}}}function isBlock(elem){var tag=elem.nodeName;return tag=="OL"||tag=="UL"||tag=="P"||tag=="LI"||tag=="TABLE"||tag=="PRE"||tag=="H1"||tag=="H2"||tag=="H3"||tag=="H4"||tag=="H5"||tag=="H6"||tag=="BLOCKQUOTE"||tag=="ADDRESS"}function getElementStyle(elem,IEStyleProp,CSSStyleProp){if(elem.currentStyle){return elem.currentStyle[IEStyleProp]}else{if(window.getComputedStyle){var compStyle=window.getComputedStyle(elem,"");return compStyle.getPropertyValue(CSSStyleProp)}}return""}function createElement(element){if(typeof document.createElementNS!="undefined"){return document.createElementNS("http://www.w3.org/1999/xhtml",element)}if(typeof document.createElement!="undefined"){return document.createElement(element)}return false}function getElementsByTagName(name){if(typeof document.getElementsByTagNameNS!="undefined"){return document.getElementsByTagNameNS("http://www.w3.org/1999/xhtml",name)}if(typeof document.getElementsByTagName!="undefined"){return document.getElementsByTagName(name)}return null}function getSelectedText(){try{if(window.getSelection){return window.getSelection().toString()}if(document.getSelection){return document.getSelection().toString()}if(document.selection){return document.selection.createRange().text}}catch(e){return""}return""};
\ No newline at end of file
+/* slidy.js
+
+   Copyright (c) 2005-2010 W3C (MIT, ERCIM, Keio), All Rights Reserved.
+   W3C liability, trademark, document use and software licensing
+   rules apply, see:
+
+   http://www.w3.org/Consortium/Legal/copyright-documents
+   http://www.w3.org/Consortium/Legal/copyright-software
+
+   Defines single name "w3c_slidy" in global namespace
+   Adds event handlers without trampling on any others
+*/
+
+// the slidy object implementation
+var w3c_slidy = {
+  // classify which kind of browser we're running under
+  ns_pos: (typeof window.pageYOffset!='undefined'),
+  khtml: ((navigator.userAgent).indexOf("KHTML") >= 0 ? true : false),
+  opera: ((navigator.userAgent).indexOf("Opera") >= 0 ? true : false),
+  ipad: ((navigator.userAgent).indexOf("iPad") >= 0 ? true : false),
+  iphone: ((navigator.userAgent).indexOf("iPhone") >= 0 ? true : false),
+  ie: (typeof document.all != "undefined" && !this.opera),
+  ie6: (!this.ns_pos && navigator.userAgent.indexOf("MSIE 6") != -1),
+  ie7: (!this.ns_pos && navigator.userAgent.indexOf("MSIE 7") != -1),
+  ie8: (!this.ns_pos && navigator.userAgent.indexOf("MSIE 8") != -1),
+  ie9: (!this.ns_pos && navigator.userAgent.indexOf("MSIE 9") != -1),
+  keyboardless: (this.ipad || this.iphone),
+
+  // are we running as XHTML? (doesn't work on Opera)
+  is_xhtml: /xml/.test(document.contentType),
+
+  slide_number: 0, // integer slide count: 0, 1, 2, ...
+  slide_number_element: null, // element containing slide number
+  slides: [], // set to array of slide div's
+  notes: [], // set to array of handout div's
+  backgrounds: [], // set to array of background div's
+  toolbar: null, // element containing toolbar
+  title: null, // document title
+  last_shown: null, // last incrementally shown item
+  eos: null,  // span element for end of slide indicator
+  toc: null, // table of contents
+  outline: null, // outline element with the focus
+  selected_text_len: 0, // length of drag selection on document
+  view_all: 0,  // 1 to view all slides + handouts
+  want_toolbar: true,  // user preference to show/hide toolbar
+  mouse_click_enabled: true, // enables left click for next slide
+  scroll_hack: 0, // IE work around for position: fixed
+  disable_slide_click: false,  // used by clicked anchors
+
+  lang: "en", // updated to language specified by html file
+
+  help_anchor: null, // used for keyboard focus hack in showToolbar()
+  help_page: "http://www.w3.org/Talks/Tools/Slidy2/help/help.html",
+  help_text: "Navigate with mouse click, space bar, Cursor Left/Right, " +
+             "or Pg Up and Pg Dn. Use S and B to change font size.",
+
+  size_index: 0,
+  size_adjustment: 0,
+  sizes:  new Array("10pt", "12pt", "14pt", "16pt", "18pt", "20pt",
+                    "22pt", "24pt", "26pt", "28pt", "30pt", "32pt"),
+
+  // needed for efficient resizing
+  last_width: 0,
+  last_height: 0,
+
+
+  // Needed for cross browser support for relative width/height on
+  // object elements. The work around is to save width/height attributes
+  // and then to recompute absolute width/height dimensions on resizing
+   objects: [],
+
+  // attach initialiation event handlers
+  set_up: function () {
+    var init = function() { w3c_slidy.init(); };
+    if (typeof window.addEventListener != "undefined")
+      window.addEventListener("load", init, false);
+    else
+      window.attachEvent("onload", init);
+  },
+
+  hide_slides: function () {
+    if (document.body && !w3c_slidy.initialized)
+      document.body.style.visibility = "hidden";
+    else
+      setTimeout(w3c_slidy.hide_slides, 50);
+  },
+
+  // hack to persuade IE to compute correct document height
+  // as needed for simulating fixed positioning of toolbar
+  ie_hack: function () {
+    window.resizeBy(0,-1);
+    window.resizeBy(0, 1);
+  },
+
+  init: function () {
+    //alert("slidy starting test 10");
+    document.body.style.visibility = "visible";
+    this.init_localization();
+    this.add_toolbar();
+    this.wrap_implicit_slides();
+    this.collect_slides();
+    this.collect_notes();
+    this.collect_backgrounds();
+    this.objects = document.body.getElementsByTagName("object");
+    this.patch_anchors();
+    this.slide_number = this.find_slide_number(location.href);
+    window.offscreenbuffering = true;
+    this.size_adjustment = this.find_size_adjust();
+    this.time_left = this.find_duration();
+    this.hide_image_toolbar();  // suppress IE image toolbar popup
+    this.init_outliner();  // activate fold/unfold support
+    this.title = document.title;
+
+    // work around for opera bug
+    this.is_xhtml = (document.body.tagName == "BODY" ? false : true);
+
+    if (this.slides.length > 0)
+    {
+      var slide = this.slides[this.slide_number];
+   
+      if (this.slide_number > 0)
+      {
+        this.set_visibility_all_incremental("visible");
+        this.last_shown = this.previous_incremental_item(null);
+        this.set_eos_status(true);
+      }
+      else
+      {
+        this.last_shown = null;
+        this.set_visibility_all_incremental("hidden");
+        this.set_eos_status(!this.next_incremental_item(this.last_shown));
+      }
+
+      this.set_location();
+      this.add_class(this.slides[0], "first-slide");
+      w3c_slidy.show_slide(slide);
+    }
+
+    this.toc = this.table_of_contents();
+
+    this.add_initial_prompt();
+
+    // bind event handlers without interfering with custom page scripts
+    // Tap events behave too weirdly to support clicks reliably on
+    // iPhone and iPad, so exclude these from click handler
+
+    if (!this.keyboardless)
+      this.add_listener(document.body, "click", this.mouse_button_click);
+
+    this.add_listener(document, "keydown", this.key_down);
+    this.add_listener(document, "keypress", this.key_press);
+    this.add_listener(window, "resize", this.resized);
+    this.add_listener(window, "scroll", this.scrolled);
+    this.add_listener(window, "unload", this.unloaded);
+
+    // this seems to be a debugging hack
+    //if (!document.body.onclick)
+    //  document.body.onclick = function () { };
+
+    this.single_slide_view();
+
+    //this.set_location();
+
+    this.resized();
+
+    if (this.ie7)
+      setTimeout(w3c_slidy.ie_hack, 100);
+
+    this.show_toolbar();
+
+    // for back button detection
+    setInterval(function () { w3c_slidy.check_location(); }, 200);
+    w3c_slidy.initialized = true;
+  },
+
+  // create div element with links to each slide
+  table_of_contents: function () {
+    var toc = this.create_element("div");
+    this.add_class(toc, "slidy_toc hidden");
+    //toc.setAttribute("tabindex", "0");
+
+    var heading = this.create_element("div");
+    this.add_class(heading, "toc-heading");
+    heading.innerHTML = this.localize("Table of Contents");
+
+    toc.appendChild(heading);
+    var previous = null;
+
+    for (var i = 0; i < this.slides.length; ++i)
+    {
+      var title = this.has_class(this.slides[i], "title");
+      var num = document.createTextNode((i + 1) + ". ");
+
+      toc.appendChild(num);
+
+      var a = this.create_element("a");
+      a.setAttribute("href", "#(" + (i+1) + ")");
+
+      if (title)
+        this.add_class(a, "titleslide");
+
+      var name = document.createTextNode(this.slide_name(i));
+      a.appendChild(name);
+      a.onclick = w3c_slidy.toc_click;
+      a.onkeydown = w3c_slidy.toc_key_down;
+      a.previous = previous;
+
+      if (previous)
+        previous.next = a;
+
+      toc.appendChild(a);
+
+      if (i == 0)
+        toc.first = a;
+
+      if (i < this.slides.length - 1)
+      {
+        var br = this.create_element("br");
+        toc.appendChild(br);
+      }
+
+      previous = a;
+    }
+
+    toc.focus = function () {
+      if (this.first)
+        this.first.focus();
+    }
+
+    toc.onmouseup = w3c_slidy.mouse_button_up;
+
+    toc.onclick = function (e) {
+      e||(e=window.event);
+
+      if (w3c_slidy.selected_text_len <= 0)
+         w3c_slidy.hide_table_of_contents(true);
+
+      w3c_slidy.stop_propagation(e);
+    
+      if (e.cancel != undefined)
+        e.cancel = true;
+      
+      if (e.returnValue != undefined)
+        e.returnValue = false;
+      
+      return false;
+    };
+
+    document.body.insertBefore(toc, document.body.firstChild);
+    return toc;
+  },
+
+  is_shown_toc: function () {
+    return !w3c_slidy.has_class(w3c_slidy.toc, "hidden");
+  },
+
+  show_table_of_contents: function () {
+    w3c_slidy.remove_class(w3c_slidy.toc, "hidden");
+    var toc = w3c_slidy.toc;
+    toc.focus();
+
+    if (w3c_slidy.ie7 && w3c_slidy.slide_number == 0)
+      setTimeout(w3c_slidy.ie_hack, 100);
+  },
+
+  hide_table_of_contents: function (focus) {
+    w3c_slidy.add_class(w3c_slidy.toc, "hidden");
+
+    if (focus && !w3c_slidy.opera)
+      w3c_slidy.help_anchor.focus();
+  },
+
+  toggle_table_of_contents: function () {
+    if (w3c_slidy.is_shown_toc())
+      w3c_slidy.hide_table_of_contents(true);
+    else
+      w3c_slidy.show_table_of_contents();
+  },
+
+  // called on clicking toc entry
+  toc_click: function (e) {
+    if (!e)
+      e = window.event;
+
+    var target = w3c_slidy.get_target(e);
+
+    if (target && target.nodeType == 1)
+    {
+      var uri = target.getAttribute("href");
+
+      if (uri)
+      {
+        //alert("going to " + uri);
+        var slide = w3c_slidy.slides[w3c_slidy.slide_number];
+        w3c_slidy.hide_slide(slide);
+        w3c_slidy.slide_number = w3c_slidy.find_slide_number(uri);
+        slide = w3c_slidy.slides[w3c_slidy.slide_number];
+        w3c_slidy.last_shown = null;
+        w3c_slidy.set_location();
+        w3c_slidy.set_visibility_all_incremental("hidden");
+        w3c_slidy.set_eos_status(!w3c_slidy.next_incremental_item(w3c_slidy.last_shown));
+        w3c_slidy.show_slide(slide);
+        //target.focus();
+
+        try
+        {
+          if (!w3c_slidy.opera)
+            w3c_slidy.help_anchor.focus();
+        }
+        catch (e)
+        {
+        }
+      }
+    }
+
+    w3c_slidy.hide_table_of_contents(true);
+    if (w3c_slidy.ie7) w3c_slidy.ie_hack();
+    w3c_slidy.stop_propagation(e);
+    return w3c_slidy.cancel(e);
+  },
+
+  // called onkeydown for toc entry
+  toc_key_down: function (event) {
+    var key;
+
+    if (!event)
+      var event = window.event;
+
+    // kludge around NS/IE differences 
+    if (window.event)
+      key = window.event.keyCode;
+    else if (event.which)
+      key = event.which;
+    else
+      return true; // Yikes! unknown browser
+
+    // ignore event if key value is zero
+    // as for alt on Opera and Konqueror
+    if (!key)
+      return true;
+
+    // check for concurrent control/command/alt key
+    // but are these only present on mouse events?
+
+    if (event.ctrlKey || event.altKey)
+      return true;
+
+    if (key == 13)
+    {
+      var uri = this.getAttribute("href");
+
+      if (uri)
+      {
+        //alert("going to " + uri);
+       var slide = w3c_slidy.slides[w3c_slidy.slide_number];
+        w3c_slidy.hide_slide(slide);
+        w3c_slidy.slide_number = w3c_slidy.find_slide_number(uri);
+        slide = w3c_slidy.slides[w3c_slidy.slide_number];
+        w3c_slidy.last_shown = null;
+        w3c_slidy.set_location();
+        w3c_slidy.set_visibility_all_incremental("hidden");
+        w3c_slidy.set_eos_status(!w3c_slidy.next_incremental_item(w3c_slidy.last_shown));
+        w3c_slidy.show_slide(slide);
+        //target.focus();
+
+        try
+        {
+          if (!w3c_slidy.opera)
+            w3c_slidy.help_anchor.focus();
+        }
+        catch (e)
+        {
+        }
+      }
+
+      w3c_slidy.hide_table_of_contents(true);
+
+      if (self.ie7)
+       w3c_slidy.ie_hack();
+
+      return w3c_slidy.cancel(event);
+    }
+
+    if (key == 40 && this.next)
+    {
+      this.next.focus();
+      return w3c_slidy.cancel(event);
+    }
+
+    if (key == 38 && this.previous)
+    {
+      this.previous.focus();
+      return w3c_slidy.cancel(event);
+    }
+
+    return true;
+  },
+
+
+  // ### OBSOLETE ###
+  before_print: function () {
+    this.show_all_slides();
+    this.hide_toolbar();
+    alert("before print");
+  },
+
+  // ### OBSOLETE ###
+  after_print: function () {
+    if (!this.view_all)
+    {
+      this.single_slide_view();
+      this.show_toolbar();
+    }
+    alert("after print");
+  },
+
+  // ### OBSOLETE ###
+  print_slides: function () {
+    this.before_print();
+    window.print();
+    this.after_print();
+  },
+
+  // ### OBSOLETE ?? ###
+  toggle_view: function () {
+    if (this.view_all)
+    {
+      this.single_slide_view();
+      this.show_toolbar();
+      this.view_all = 0;
+    }
+    else
+    {
+      this.show_all_slides();
+      this.hide_toolbar();
+      this.view_all = 1;
+    }
+  },
+
+  // prepare for printing  ### OBSOLETE ###
+  show_all_slides: function () {
+    this.remove_class(document.body, "single_slide");
+    this.set_visibility_all_incremental("visible");
+  },
+
+  // restore after printing  ### OBSOLETE ###
+  single_slide_view: function () {
+    this.add_class(document.body, "single_slide");
+    this.set_visibility_all_incremental("visible");
+    this.last_shown = this.previous_incremental_item(null);
+  },
+
+  // suppress IE's image toolbar pop up
+  hide_image_toolbar: function () {
+    if (!this.ns_pos)
+    {
+      var images = document.getElementsByTagName("IMG");
+
+      for (var i = 0; i < images.length; ++i)
+        images[i].setAttribute("galleryimg", "no");
+    }
+  },
+
+  unloaded: function (e) {
+    //alert("unloaded");
+  },
+
+  // Safari and Konqueror don't yet support getComputedStyle()
+  // and they always reload page when location.href is updated
+  is_KHTML: function () {
+    var agent = navigator.userAgent;
+    return (agent.indexOf("KHTML") >= 0 ? true : false);
+  },
+
+  // find slide name from first h1 element
+  // default to document title + slide number
+  slide_name: function (index) {
+    var name = null;
+    var slide = this.slides[index];
+
+    var heading = this.find_heading(slide);
+
+    if (heading)
+      name = this.extract_text(heading);
+
+    if (!name)
+      name = this.title + "(" + (index + 1) + ")";
+
+    name.replace(/\&/g, "&amp;");
+    name.replace(/\</g, "&lt;");
+    name.replace(/\>/g, "&gt;");
+
+    return name;
+  },
+
+  // find first h1 element in DOM tree
+  find_heading: function (node) {
+    if (!node || node.nodeType != 1)
+      return null;
+
+    if (node.nodeName == "H1" || node.nodeName == "h1")
+      return node;
+
+    var child = node.firstChild;
+
+    while (child)
+    {
+      node = this.find_heading(child);
+
+      if (node)
+        return node;
+
+      child = child.nextSibling;
+    }
+
+    return null;
+  },
+
+  // recursively extract text from DOM tree
+  extract_text: function (node) {
+    if (!node)
+      return "";
+
+    // text nodes
+    if (node.nodeType == 3)
+      return node.nodeValue;
+
+    // elements
+    if (node.nodeType == 1)
+    {
+      node = node.firstChild;
+      var text = "";
+
+      while (node)
+      {
+        text = text + this.extract_text(node);
+        node = node.nextSibling;
+      }
+
+      return text;
+    }
+
+    return "";
+  },
+
+  // find copyright text from meta element
+  find_copyright: function () {
+    var name, content;
+    var meta = document.getElementsByTagName("meta");
+
+    for (var i = 0; i < meta.length; ++i)
+    {
+      name = meta[i].getAttribute("name");
+      content = meta[i].getAttribute("content");
+
+      if (name == "copyright")
+        return content;
+    }
+
+    return null;
+  },
+
+  find_size_adjust: function () {
+    var name, content, offset;
+    var meta = document.getElementsByTagName("meta");
+
+    for (var i = 0; i < meta.length; ++i)
+    {
+      name = meta[i].getAttribute("name");
+      content = meta[i].getAttribute("content");
+
+      if (name == "font-size-adjustment")
+        return 1 * content;
+    }
+
+    return 1;
+  },
+
+  // <meta name="duration" content="20" />  for 20 minutes
+  find_duration: function () {
+    var name, content, offset;
+    var meta = document.getElementsByTagName("meta");
+
+    for (var i = 0; i < meta.length; ++i)
+    {
+      name = meta[i].getAttribute("name");
+      content = meta[i].getAttribute("content");
+
+      if (name == "duration")
+        return 60000 * content;
+    }
+
+    return null;
+  },
+
+  replace_by_non_breaking_space: function (str) {
+    for (var i = 0; i < str.length; ++i)
+      str[i] = 160;
+  },
+
+  // ### CHECK ME ### is use of "li" okay for text/html?
+  // for XHTML do we also need to specify namespace?
+  init_outliner: function () {
+    var items = document.getElementsByTagName("li");
+
+    for (var i = 0; i < items.length; ++i)
+    {
+      var target = items[i];
+
+      if (!this.has_class(target.parentNode, "outline"))
+        continue;
+
+      target.onclick = this.outline_click;
+/* ### more work needed for IE6
+      if (!this.ns_pos)
+      {
+        target.onmouseover = this.hover_outline;
+        target.onmouseout = this.unhover_outline;
+      }
+*/
+      if (this.foldable(target))
+      {
+        target.foldable = true;
+        target.onfocus = function () {w3c_slidy.outline = this;};
+        target.onblur = function () {w3c_slidy.outline = null;};
+
+        if (!target.getAttribute("tabindex"))
+          target.setAttribute("tabindex", "0");
+
+        if (this.has_class(target, "expand"))
+          this.unfold(target);
+        else
+          this.fold(target);
+      }
+      else
+      {
+        this.add_class(target, "nofold");
+        target.visible = true;
+        target.foldable = false;
+      }
+    }
+  },
+
+  foldable: function (item) {
+    if (!item || item.nodeType != 1)
+      return false;
+
+    var node = item.firstChild;
+
+    while (node)
+    {
+      if (node.nodeType == 1 && this.is_block(node))
+        return true;
+
+      node = node.nextSibling;
+    }
+
+    return false;
+  },
+
+  // ### CHECK ME ### switch to add/remove "hidden" class
+  fold: function (item) {
+    if (item)
+    {
+      this.remove_class(item, "unfolded");
+      this.add_class(item, "folded");
+    }
+
+    var node = item ? item.firstChild : null;
+
+    while (node)
+    {
+      if (node.nodeType == 1 && this.is_block(node)) // element
+      {
+         w3c_slidy.add_class(node, "hidden");
+      }
+
+      node = node.nextSibling;
+    }
+
+    item.visible = false;
+  },
+
+  // ### CHECK ME ### switch to add/remove "hidden" class
+  unfold: function (item) {
+    if (item)
+    {
+      this.add_class(item, "unfolded");
+      this.remove_class(item, "folded");
+    }
+
+    var node = item ? item.firstChild : null;
+
+    while (node)
+    {
+      if (node.nodeType == 1 && this.is_block(node)) // element
+      {
+        w3c_slidy.remove_class(node, "hidden");
+      }
+
+      node = node.nextSibling;
+    }
+
+    item.visible = true;
+  },
+
+  outline_click: function (e) {
+    if (!e)
+      e = window.event;
+
+    var rightclick = false;
+    var target = w3c_slidy.get_target(e);
+
+    while (target && target.visible == undefined)
+      target = target.parentNode;
+
+    if (!target)
+      return true;
+
+    if (e.which)
+      rightclick = (e.which == 3);
+    else if (e.button)
+      rightclick = (e.button == 2);
+
+    if (!rightclick && target.visible != undefined)
+    {
+      if (target.foldable)
+      {
+        if (target.visible)
+          w3c_slidy.fold(target);
+        else
+          w3c_slidy.unfold(target);
+      }
+
+      w3c_slidy.stop_propagation(e);
+      e.cancel = true;
+      e.returnValue = false;
+    }
+
+    return false;
+  },
+
+  add_initial_prompt: function () {
+    var prompt = this.create_element("div");
+    prompt.setAttribute("class", "initial_prompt");
+
+    var p1 = this.create_element("p");
+    prompt.appendChild(p1);
+    p1.setAttribute("class", "help");
+
+    if (this.keyboardless)
+      p1.innerHTML = "Tap footer to move to next slide";
+    else
+      p1.innerHTML = "Space or Right Arrow to move to next " +
+                     "slide, click help below for more details";
+
+    this.add_listener(prompt, "click", function (e) {
+      document.body.removeChild(prompt);
+      w3c_slidy.stop_propagation(e);
+    
+      if (e.cancel != undefined)
+        e.cancel = true;
+      
+      if (e.returnValue != undefined)
+        e.returnValue = false;
+      
+      return false;
+    });
+
+    document.body.appendChild(prompt);
+    this.initial_prompt = prompt;
+    setTimeout(function() {document.body.removeChild(prompt);}, 5000);
+  },
+
+  add_toolbar: function () {
+    var counter, page;
+
+     this.toolbar = this.create_element("div");
+     this.toolbar.setAttribute("class", "toolbar");
+
+     // a reasonably behaved browser
+     if (this.ns_pos || !this.ie6)
+     {
+       var right = this.create_element("div");
+       right.setAttribute("style", "float: right; text-align: right");
+
+       counter = this.create_element("span")
+       counter.innerHTML = this.localize("slide") + " n/m";
+       right.appendChild(counter);
+       this.toolbar.appendChild(right);
+
+       var left = this.create_element("div");
+       left.setAttribute("style", "text-align: left");
+
+       // global end of slide indicator
+       this.eos = this.create_element("span");
+       this.eos.innerHTML = "* ";
+       left.appendChild(this.eos);
+
+       var help = this.create_element("a");
+       help.setAttribute("href", this.help_page);
+       help.setAttribute("title", this.localize(this.help_text));
+       help.innerHTML = this.localize("help?");
+       left.appendChild(help);
+       this.help_anchor = help;  // save for focus hack
+
+       var gap1 = document.createTextNode(" ");
+       left.appendChild(gap1);
+
+       var contents = this.create_element("a");
+       contents.setAttribute("href", "javascript:w3c_slidy.toggle_table_of_contents()");
+       contents.setAttribute("title", this.localize("table of contents"));
+       contents.innerHTML = this.localize("contents?");
+       left.appendChild(contents);
+
+       var gap2 = document.createTextNode(" ");
+       left.appendChild(gap2);
+
+       var copyright = this.find_copyright();
+
+       if (copyright)
+       {
+         var span = this.create_element("span");
+         span.className = "copyright";
+         span.innerHTML = copyright;
+         left.appendChild(span);
+       }
+
+       this.toolbar.setAttribute("tabindex", "0");
+       this.toolbar.appendChild(left);
+     }
+     else // IE6 so need to work around its poor CSS support
+     {
+       this.toolbar.style.position = (this.ie7 ? "fixed" : "absolute");
+       this.toolbar.style.zIndex = "200";
+       this.toolbar.style.width = "99.9%";
+       this.toolbar.style.height = "1.2em";
+       this.toolbar.style.top = "auto";
+       this.toolbar.style.bottom = "0";
+       this.toolbar.style.left = "0";
+       this.toolbar.style.right = "0";
+       this.toolbar.style.textAlign = "left";
+       this.toolbar.style.fontSize = "60%";
+       this.toolbar.style.color = "red";
+       this.toolbar.borderWidth = 0;
+       this.toolbar.className = "toolbar";
+       this.toolbar.style.background = "rgb(240,240,240)";
+
+       // would like to have help text left aligned
+       // and page counter right aligned, floating
+       // div's don't work, so instead use nested
+       // absolutely positioned div's.
+
+       var sp = this.create_element("span");
+       sp.innerHTML = "&nbsp;&nbsp;*&nbsp;";
+       this.toolbar.appendChild(sp);
+       this.eos = sp;  // end of slide indicator
+
+       var help = this.create_element("a");
+       help.setAttribute("href", this.help_page);
+       help.setAttribute("title", this.localize(this.help_text));
+       help.innerHTML = this.localize("help?");
+       this.toolbar.appendChild(help);
+       this.help_anchor = help;  // save for focus hack
+
+       var gap1 = document.createTextNode(" ");
+       this.toolbar.appendChild(gap1);
+
+       var contents = this.create_element("a");
+       contents.setAttribute("href", "javascript:toggleTableOfContents()");
+       contents.setAttribute("title", this.localize("table of contents".localize));
+       contents.innerHTML = this.localize("contents?");
+       this.toolbar.appendChild(contents);
+
+       var gap2 = document.createTextNode(" ");
+       this.toolbar.appendChild(gap2);
+
+       var copyright = this.find_copyright();
+
+       if (copyright)
+       {
+         var span = this.create_element("span");
+         span.innerHTML = copyright;
+         span.style.color = "black";
+         span.style.marginLeft = "0.5em";
+         this.toolbar.appendChild(span);
+       }
+
+       counter = this.create_element("div")
+       counter.style.position = "absolute";
+       counter.style.width = "auto"; //"20%";
+       counter.style.height = "1.2em";
+       counter.style.top = "auto";
+       counter.style.bottom = 0;
+       counter.style.right = "0";
+       counter.style.textAlign = "right";
+       counter.style.color = "red";
+       counter.style.background = "rgb(240,240,240)";
+
+       counter.innerHTML = this.localize("slide") + " n/m";
+       this.toolbar.appendChild(counter);
+     }
+
+     // ensure that click isn't passed through to the page
+     this.toolbar.onclick =
+         function (e) {
+           if (!e)
+             e = window.event;
+
+           var target = e.target;
+
+           if (!target && e.srcElement)
+             target = e.srcElement;
+
+           // work around Safari bug
+           if (target && target.nodeType == 3)
+             target = target.parentNode;
+
+           w3c_slidy.stop_propagation(e);
+
+           if (target && target.nodeName.toLowerCase() != "a")
+             w3c_slidy.mouse_button_click(e);
+         };
+
+     this.slide_number_element = counter;
+     this.set_eos_status(false);
+     document.body.appendChild(this.toolbar);
+  },
+
+  // wysiwyg editors make it hard to use div elements
+  // e.g. amaya loses the div when you copy and paste
+  // this function wraps div elements around implicit
+  // slides which start with an h1 element and continue
+  // up to the next heading or div element
+  wrap_implicit_slides: function () {
+    var i, heading, node, next, div;
+    var headings = document.getElementsByTagName("h1");
+
+    if (!headings)
+      return;
+
+    for (i = 0; i < headings.length; ++i)
+    {
+      heading = headings[i];
+
+      if (heading.parentNode != document.body)
+        continue;
+
+      node = heading.nextSibling;
+
+      div = document.createElement("div");
+      this.add_class(div, "slide");
+      document.body.replaceChild(div, heading);
+      div.appendChild(heading);
+
+      while (node)
+      {
+        if (node.nodeType == 1 &&    // an element
+             (node.nodeName == "H1" ||
+              node.nodeName == "h1" ||
+              node.nodeName == "DIV" ||
+              node.nodeName == "div"))
+          break;
+
+        next = node.nextSibling;
+        node = document.body.removeChild(node);
+        div.appendChild(node);
+        node = next;
+      } 
+    }
+  },
+
+// return new array of all slides
+  collect_slides: function () {
+    var slides = new Array();
+    var divs = document.body.getElementsByTagName("div");
+
+    for (var i = 0; i < divs.length; ++i)
+    {
+      div = divs.item(i);
+
+      if (this.has_class(div, "slide"))
+      {
+        // add slide to collection
+        slides[slides.length] = div;
+
+        // hide each slide as it is found
+        this.add_class(div, "hidden");
+
+        // add dummy <br/> at end for scrolling hack
+        var node1 = document.createElement("br");
+        div.appendChild(node1);
+        var node2 = document.createElement("br");
+        div.appendChild(node2);
+      }
+      else if (this.has_class(div, "background"))
+      {  // work around for Firefox SVG reload bug
+        // which otherwise replaces 1st SVG graphic with 2nd
+        div.style.display = "block";
+      }
+    }
+
+    this.slides = slides;
+  },
+
+  // return new array of all <div class="handout">
+  collect_notes: function () {
+    var notes = new Array();
+    var divs = document.body.getElementsByTagName("div");
+
+    for (var i = 0; i < divs.length; ++i)
+    {
+      div = divs.item(i);
+
+      if (this.has_class(div, "handout"))
+      {
+        // add note to collection
+        notes[notes.length] = div;
+
+        // and hide it
+        this.add_class(div, "hidden");
+      }
+    }
+
+    this.notes = notes;
+  },
+
+  // return new array of all <div class="background">
+  // including named backgrounds e.g. class="background titlepage"
+  collect_backgrounds: function () {
+    var backgrounds = new Array();
+    var divs = document.body.getElementsByTagName("div");
+
+    for (var i = 0; i < divs.length; ++i)
+    {
+      div = divs.item(i);
+
+      if (this.has_class(div, "background"))
+      {
+        // add background to collection
+        backgrounds[backgrounds.length] = div;
+
+        // and hide it
+        this.add_class(div, "hidden");
+      }
+    }
+
+    this.backgrounds = backgrounds;
+  },
+
+  // set click handlers on all anchors
+  patch_anchors: function () {
+    var self = w3c_slidy;
+    var handler = function (event) {
+      // compare this.href with location.href
+      // for link to another slide in this doc
+
+      if (self.page_address(this.href) == self.page_address(location.href))
+      {
+        // yes, so find new slide number
+        var newslidenum = self.find_slide_number(this.href);
+
+        if (newslidenum != self.slide_number)
+        {
+          var slide = self.slides[self.slide_number];
+          self.hide_slide(slide);
+          self.slide_number = newslidenum;
+          slide = self.slides[self.slide_number];
+          self.show_slide(slide);
+          self.set_location();
+        }
+      }
+      else
+        w3c_slidy.stop_propagation(event);
+
+//      else if (this.target == null)
+//        location.href = this.href;
+
+      this.blur();
+      self.disable_slide_click = true;
+    };
+
+    var anchors = document.body.getElementsByTagName("a");
+
+    for (var i = 0; i < anchors.length; ++i)
+    {
+      if (window.addEventListener)
+        anchors[i].addEventListener("click", handler, false);
+      else
+        anchors[i].attachEvent("onclick", handler);
+    }
+  },
+
+  // ### CHECK ME ### see which functions are invoked via setTimeout
+  // either directly or indirectly for use of w3c_slidy vs this
+  show_slide_number: function () {
+    var timer = w3c_slidy.get_timer();
+    w3c_slidy.slide_number_element.innerHTML = timer + w3c_slidy.localize("slide") + " " +
+           (w3c_slidy.slide_number + 1) + "/" + w3c_slidy.slides.length;
+  },
+
+  // every 200mS check if the location has been changed as a
+  // result of the user activating the Back button/menu item
+  // doesn't work for Opera < 9.5
+  check_location: function () {
+    var hash = location.hash;
+
+    if (w3c_slidy.slide_number > 0 && (hash == "" || hash == "#"))
+      w3c_slidy.goto_slide(0);
+    else if (hash.length > 2 && hash != "#("+(w3c_slidy.slide_number+1)+")")
+    {
+      var num = parseInt(location.hash.substr(2));
+
+      if (!isNaN(num))
+        w3c_slidy.goto_slide(num-1);
+    }
+
+    if (w3c_slidy.time_left && w3c_slidy.slide_number > 0)
+    {
+      w3c_slidy.show_slide_number();
+
+      if (w3c_slidy.time_left > 0)
+        w3c_slidy.time_left -= 200;
+    } 
+  },
+
+  get_timer: function () {
+    var timer = "";
+    if (w3c_slidy.time_left)
+    {
+      var mins, secs;
+      secs = Math.floor(w3c_slidy.time_left/1000);
+      mins = Math.floor(secs / 60);
+      secs = secs % 60;
+      timer = (mins ? mins+"m" : "") + secs + "s ";
+    }
+
+    return timer;
+  },
+
+  // this doesn't push location onto history stack for IE
+  // for which a hidden iframe hack is needed: load page into
+  // the iframe with script that set's parent's location.hash
+  // but that won't work for standalone use unless we can
+  // create the page dynamically via a javascript: URL
+  set_location: function () {
+     var uri = w3c_slidy.page_address(location.href);
+     var hash = "#(" + (w3c_slidy.slide_number+1) + ")";
+
+     if (w3c_slidy.slide_number >= 0)
+       uri = uri + hash;
+
+     if (w3c_slidy.ie && (w3c_slidy.ie6 || w3c_slidy.ie7))
+       w3c_slidy.push_hash(hash);
+
+     if (uri != location.href) // && !khtml
+        location.href = uri;
+
+     if (this.khtml)
+        hash = "(" + (w3c_slidy.slide_number+1) + ")";
+
+     if (!this.ie && location.hash != hash && location.hash != "")
+       location.hash = hash;
+
+     document.title = w3c_slidy.title + " (" + (w3c_slidy.slide_number+1) + ")";
+     w3c_slidy.show_slide_number();
+  },
+
+  page_address: function (uri) {
+    var i = uri.indexOf("#");
+
+    if (i < 0)
+      i = uri.indexOf("%23");
+
+    // check if anchor is entire page
+
+    if (i < 0)
+      return uri;  // yes
+
+    return uri.substr(0, i);
+  },
+
+  // only used for IE6 and IE7
+  on_frame_loaded: function (hash) {
+    location.hash = hash;
+    var uri = w3c_slidy.page_address(location.href);
+    location.href = uri + hash;
+  },
+
+  // history hack with thanks to Bertrand Le Roy
+  push_hash: function (hash) {
+    if (hash == "") hash = "#(1)";
+      window.location.hash = hash;
+
+    var doc = document.getElementById("historyFrame").contentWindow.document;
+    doc.open("javascript:'<html></html>'");
+    doc.write("<html><head><script type=\"text/javascript\">window.parent.w3c_slidy.on_frame_loaded('"+
+      (hash) + "');</script></head><body>hello mum</body></html>");
+      doc.close();
+  },
+
+  // find current slide based upon location
+  // first find target anchor and then look
+  // for associated div element enclosing it
+  // finally map that to slide number
+  find_slide_number: function (uri) {
+    // first get anchor from page location
+
+    var i = uri.indexOf("#");
+
+    // check if anchor is entire page
+    if (i < 0)
+      return 0;  // yes
+
+    var anchor = unescape(uri.substr(i+1));
+
+    // now use anchor as XML ID to find target
+    var target = document.getElementById(anchor);
+
+    if (!target)
+    {
+      // does anchor look like "(2)" for slide 2 ??
+      // where first slide is (1)
+      var re = /\((\d)+\)/;
+
+      if (anchor.match(re))
+      {
+        var num = parseInt(anchor.substring(1, anchor.length-1));
+
+        if (num > this.slides.length)
+          num = 1;
+
+        if (--num < 0)
+          num = 0;
+
+        return num;
+      }
+
+      // accept [2] for backwards compatibility
+      re = /\[(\d)+\]/;
+
+      if (anchor.match(re))
+      {
+         var num = parseInt(anchor.substring(1, anchor.length-1));
+
+         if (num > this.slides.length)
+            num = 1;
+
+         if (--num < 0)
+            num = 0;
+
+         return num;
+      }
+
+      // oh dear unknown anchor
+      return 0;
+    }
+
+    // search for enclosing slide
+
+    while (true)
+    {
+      // browser coerces html elements to uppercase!
+      if (target.nodeName.toLowerCase() == "div" &&
+            this.has_class(target, "slide"))
+      {
+        // found the slide element
+        break;
+      }
+
+      // otherwise try parent element if any
+
+      target = target.parentNode;
+
+      if (!target)
+      {
+        return 0;   // no luck!
+      }
+    };
+
+    for (i = 0; i < slides.length; ++i)
+    {
+      if (slides[i] == target)
+        return i;  // success
+    }
+
+    // oh dear still no luck
+    return 0;
+  },
+
+  previous_slide: function (incremental) {
+    if (!w3c_slidy.view_all)
+    {
+      var slide;
+
+      if ((incremental || w3c_slidy.slide_number == 0) && w3c_slidy.last_shown != null)
+      {
+        w3c_slidy.last_shown = w3c_slidy.hide_previous_item(w3c_slidy.last_shown);
+        w3c_slidy.set_eos_status(false);
+      }
+      else if (w3c_slidy.slide_number > 0)
+      {
+        slide = w3c_slidy.slides[w3c_slidy.slide_number];
+        w3c_slidy.hide_slide(slide);
+
+        w3c_slidy.slide_number = w3c_slidy.slide_number - 1;
+        slide = w3c_slidy.slides[w3c_slidy.slide_number];
+        w3c_slidy.set_visibility_all_incremental("visible");
+        w3c_slidy.last_shown = w3c_slidy.previous_incremental_item(null);
+        w3c_slidy.set_eos_status(true);
+        w3c_slidy.show_slide(slide);
+      }
+
+      w3c_slidy.set_location();
+
+      if (!w3c_slidy.ns_pos)
+        w3c_slidy.refresh_toolbar(200);
+    }
+  },
+
+  next_slide: function (incremental) {
+    if (!w3c_slidy.view_all)
+    {
+      var slide, last = w3c_slidy.last_shown;
+
+      if (incremental || w3c_slidy.slide_number == w3c_slidy.slides.length - 1)
+         w3c_slidy.last_shown = w3c_slidy.reveal_next_item(w3c_slidy.last_shown);
+
+      if ((!incremental || w3c_slidy.last_shown == null) &&
+             w3c_slidy.slide_number < w3c_slidy.slides.length - 1)
+      {
+         slide = w3c_slidy.slides[w3c_slidy.slide_number];
+         w3c_slidy.hide_slide(slide);
+
+         w3c_slidy.slide_number = w3c_slidy.slide_number + 1;
+         slide = w3c_slidy.slides[w3c_slidy.slide_number];
+         w3c_slidy.last_shown = null;
+         w3c_slidy.set_visibility_all_incremental("hidden");
+         w3c_slidy.show_slide(slide);
+      }
+      else if (!w3c_slidy.last_shown)
+      {
+         if (last && incremental)
+           w3c_slidy.last_shown = last;
+      }
+
+      w3c_slidy.set_location();
+
+      w3c_slidy.set_eos_status(!w3c_slidy.next_incremental_item(w3c_slidy.last_shown));
+
+      if (!w3c_slidy.ns_pos)
+         w3c_slidy.refresh_toolbar(200);
+     }
+  },
+
+  // to first slide with nothing revealed
+  // i.e. state at start of presentation
+  first_slide: function () {
+     if (!w3c_slidy.view_all)
+     {
+       var slide;
+
+       if (w3c_slidy.slide_number != 0)
+       {
+         slide = w3c_slidy.slides[w3c_slidy.slide_number];
+         w3c_slidy.hide_slide(slide);
+
+         w3c_slidy.slide_number = 0;
+         slide = w3c_slidy.slides[w3c_slidy.slide_number];
+         w3c_slidy.last_shown = null;
+         w3c_slidy.set_visibility_all_incremental("hidden");
+         w3c_slidy.show_slide(slide);
+       }
+
+       w3c_slidy.set_eos_status(
+         !w3c_slidy.next_incremental_item(w3c_slidy.last_shown));
+       w3c_slidy.set_location();
+     }
+  },
+
+  // goto last slide with everything revealed
+  // i.e. state at end of presentation
+  last_slide: function () {
+    if (!w3c_slidy.view_all)
+    {
+      var slide;
+
+      w3c_slidy.last_shown = null; //revealNextItem(lastShown);
+
+      if (w3c_slidy.last_shown == null &&
+          w3c_slidy.slide_number < w3c_slidy.slides.length - 1)
+      {
+         slide = w3c_slidy.slides[w3c_slidy.slide_number];
+         w3c_slidy.hide_slide(slide);
+         w3c_slidy.slide_number = w3c_slidy.slides.length - 1;
+         slide = w3c_slidy.slides[w3c_slidy.slide_number];
+         w3c_slidy.set_visibility_all_incremental("visible");
+         w3c_slidy.last_shown = w3c_slidy.previous_incremental_item(null);
+
+         w3c_slidy.show_slide(slide);
+      }
+      else
+      {
+         w3c_slidy.set_visibility_all_incremental("visible");
+         w3c_slidy.last_shown = w3c_slidy.previous_incremental_item(null);
+      }
+
+      w3c_slidy.set_eos_status(true);
+      w3c_slidy.set_location();
+    }
+  },
+
+
+  // ### check this and consider add/remove class
+  set_eos_status: function (state) {
+    if (this.eos)
+      this.eos.style.color = (state ? "rgb(240,240,240)" : "red");
+  },
+
+  // first slide is 0
+  goto_slide: function (num) {
+    //alert("going to slide " + (num+1));
+    var slide = w3c_slidy.slides[w3c_slidy.slide_number];
+    w3c_slidy.hide_slide(slide);
+    w3c_slidy.slide_number = num;
+    slide = w3c_slidy.slides[w3c_slidy.slide_number];
+    w3c_slidy.last_shown = null;
+    w3c_slidy.set_visibility_all_incremental("hidden");
+    w3c_slidy.set_eos_status(!w3c_slidy.next_incremental_item(w3c_slidy.last_shown));
+    document.title = w3c_slidy.title + " (" + (w3c_slidy.slide_number+1) + ")";
+    w3c_slidy.show_slide(slide);
+    w3c_slidy.show_slide_number();
+  },
+
+
+  show_slide: function (slide) {
+    this.sync_background(slide);
+    window.scrollTo(0,0);
+    this.remove_class(slide, "hidden");
+  },
+
+  hide_slide: function (slide) {
+    this.add_class(slide, "hidden");
+  },
+
+  // show just the backgrounds pertinent to this slide
+  // when slide background-color is transparent
+  // this should now work with rgba color values
+  sync_background: function (slide) {
+    var background;
+    var bgColor;
+
+    if (slide.currentStyle)
+      bgColor = slide.currentStyle["backgroundColor"];
+    else if (document.defaultView)
+    {
+      var styles = document.defaultView.getComputedStyle(slide,null);
+
+      if (styles)
+        bgColor = styles.getPropertyValue("background-color");
+      else // broken implementation probably due Safari or Konqueror
+      {
+        //alert("defective implementation of getComputedStyle()");
+        bgColor = "transparent";
+      }
+    }
+    else
+      bgColor == "transparent";
+
+    if (bgColor == "transparent" ||
+        bgColor.indexOf("rgba") >= 0 ||
+        bgColor.indexOf("opacity") >= 0)
+    {
+      var slideClass = this.get_class_list(slide);
+
+      for (var i = 0; i < this.backgrounds.length; i++)
+      {
+        background = this.backgrounds[i];
+
+        var bgClass = this.get_class_list(background);
+
+        if (this.matching_background(slideClass, bgClass))
+          this.remove_class(background, "hidden");
+        else
+          this.add_class(background, "hidden");
+      }
+    }
+    else // forcibly hide all backgrounds
+      this.hide_backgrounds();
+  },
+
+  hide_backgrounds: function () {
+    for (var i = 0; i < this.backgrounds.length; i++)
+    {
+      background = this.backgrounds[i];
+      this.add_class(background, "hidden");
+    }
+  },
+
+  // compare classes for slide and background
+  matching_background: function (slideClass, bgClass) {
+    var i, count, pattern, result;
+
+    // define pattern as regular expression
+    pattern = /\w+/g;
+
+    // check background class names
+    result = bgClass.match(pattern);
+
+    for (i = count = 0; i < result.length; i++)
+    {
+      if (result[i] == "hidden")
+        continue;
+
+      if (result[i] == "background")
+	continue;
+
+      ++count;
+    }
+
+    if (count == 0)  // default match
+      return true;
+
+    // check for matches and place result in array
+    result = slideClass.match(pattern);
+
+    // now check if desired name is present for background
+    for (i = count = 0; i < result.length; i++)
+    {
+      if (result[i] == "hidden")
+        continue;
+
+      if (this.has_token(bgClass, result[i]))
+        return true;
+    }
+
+    return false;
+  },
+
+  resized: function () {
+     var width = 0;
+
+     if ( typeof( window.innerWidth ) == 'number' )
+       width = window.innerWidth;  // Non IE browser
+     else if (document.documentElement && document.documentElement.clientWidth)
+       width = document.documentElement.clientWidth;  // IE6
+     else if (document.body && document.body.clientWidth)
+       width = document.body.clientWidth; // IE4
+
+     var height = 0;
+
+     if ( typeof( window.innerHeight ) == 'number' )
+       height = window.innerHeight;  // Non IE browser
+     else if (document.documentElement && document.documentElement.clientHeight)
+       height = document.documentElement.clientHeight;  // IE6
+     else if (document.body && document.body.clientHeight)
+       height = document.body.clientHeight; // IE4
+
+     if (height && (width/height > 1.05*1024/768))
+     {
+       width = height * 1024.0/768;
+     }
+
+     // IE fires onresize even when only font size is changed!
+     // so we do a check to avoid blocking < and > actions
+     if (width != w3c_slidy.last_width || height != w3c_slidy.last_height)
+     {
+       if (width >= 1100)
+         w3c_slidy.size_index = 5;    // 4
+       else if (width >= 1000)
+         w3c_slidy.size_index = 4;    // 3
+       else if (width >= 800)
+         w3c_slidy.size_index = 3;    // 2
+       else if (width >= 600)
+         w3c_slidy.size_index = 2;    // 1
+       else if (width)
+         w3c_slidy.size_index = 0;
+
+       // add in font size adjustment from meta element e.g.
+       // <meta name="font-size-adjustment" content="-2" />
+       // useful when slides have too much content ;-)
+
+       if (0 <= w3c_slidy.size_index + w3c_slidy.size_adjustment &&
+             w3c_slidy.size_index + w3c_slidy.size_adjustment < w3c_slidy.sizes.length)
+         w3c_slidy.size_index = w3c_slidy.size_index + w3c_slidy.size_adjustment;
+
+       // enables cross browser use of relative width/height
+       // on object elements for use with SVG and Flash media
+       w3c_slidy.adjust_object_dimensions(width, height);
+
+       if (document.body.style.fontSize != w3c_slidy.sizes[w3c_slidy.size_index])
+       {
+         document.body.style.fontSize = w3c_slidy.sizes[w3c_slidy.size_index];
+       }
+
+       w3c_slidy.last_width = width;
+       w3c_slidy.last_height = height;
+
+       // force reflow to work around Mozilla bug
+       if (w3c_slidy.ns_pos)
+       {
+         var slide = w3c_slidy.slides[w3c_slidy.slide_number];
+         w3c_slidy.hide_slide(slide);
+         w3c_slidy.show_slide(slide);
+       }
+
+       // force correct positioning of toolbar
+       w3c_slidy.refresh_toolbar(200);
+     }
+  },
+
+  scrolled: function () {
+    if (w3c_slidy.toolbar && !w3c_slidy.ns_pos && !w3c_slidy.ie7)
+    {
+      w3c_slidy.hack_offset = w3c_slidy.scroll_x_offset();
+      // hide toolbar
+      w3c_slidy.toolbar.style.display = "none";
+
+      // make it reappear later
+      if (w3c_slidy.scrollhack == 0 && !w3c_slidy.view_all)
+      {
+        setTimeout(function () {w3c_slidy.show_toolbar(); }, 1000);
+        w3c_slidy.scrollhack = 1;
+      }
+    }
+  },
+
+  hide_toolbar: function () {
+    w3c_slidy.add_class(w3c_slidy.toolbar, "hidden");
+    window.focus();
+  },
+
+  // used to ensure IE refreshes toolbar in correct position
+  refresh_toolbar: function (interval) {
+    if (!w3c_slidy.ns_pos && !w3c_slidy.ie7)
+    {
+      w3c_slidy.hide_toolbar();
+      setTimeout(function () {w3c_slidy.show_toolbar(); }, interval);
+    }
+  },
+
+  // restores toolbar after short delay
+  show_toolbar: function () {
+    if (w3c_slidy.want_toolbar)
+    {
+      w3c_slidy.toolbar.style.display = "block";
+
+      if (!w3c_slidy.ns_pos)
+      {
+        // adjust position to allow for scrolling
+        var xoffset = w3c_slidy.scroll_x_offset();
+        w3c_slidy.toolbar.style.left = xoffset;
+        w3c_slidy.toolbar.style.right = xoffset;
+
+        // determine vertical scroll offset
+        //var yoffset = scrollYOffset();
+
+        // bottom is doc height - window height - scroll offset
+        //var bottom = documentHeight() - lastHeight - yoffset
+
+        //if (yoffset > 0 || documentHeight() > lastHeight)
+        //   bottom += 16;  // allow for height of scrollbar
+
+        w3c_slidy.toolbar.style.bottom = 0; //bottom;
+      }
+
+      w3c_slidy.remove_class(w3c_slidy.toolbar, "hidden");
+    }
+
+    w3c_slidy.scrollhack = 0;
+
+
+    // set the keyboard focus to the help link on the
+    // toolbar to ensure that document has the focus
+    // IE doesn't always work with window.focus()
+    // and this hack has benefit of Enter for help
+
+    try
+    {
+      if (!w3c_slidy.opera)
+        w3c_slidy.help_anchor.focus();
+    }
+    catch (e)
+    {
+    }
+  },
+
+// invoked via F key
+  toggle_toolbar: function () {
+    if (!w3c_slidy.view_all)
+    {
+      if (w3c_slidy.has_class(w3c_slidy.toolbar, "hidden"))
+      {
+        w3c_slidy.remove_class(w3c_slidy.toolbar, "hidden")
+        w3c_slidy.want_toolbar = 1;
+      }
+      else
+      {
+        w3c_slidy.add_class(w3c_slidy.toolbar, "hidden")
+        w3c_slidy.want_toolbar = 0;
+      }
+    }
+  },
+
+  scroll_x_offset: function () {
+    if (window.pageXOffset)
+      return self.pageXOffset;
+
+    if (document.documentElement && 
+             document.documentElement.scrollLeft)
+      return document.documentElement.scrollLeft;
+
+    if (document.body)
+      return document.body.scrollLeft;
+
+    return 0;
+  },
+
+  scroll_y_offset: function () {
+    if (window.pageYOffset)
+      return self.pageYOffset;
+
+    if (document.documentElement && 
+             document.documentElement.scrollTop)
+      return document.documentElement.scrollTop;
+
+    if (document.body)
+      return document.body.scrollTop;
+
+    return 0;
+  },
+
+  // looking for a way to determine height of slide content
+  // the slide itself is set to the height of the window
+  optimize_font_size: function () {
+    var slide = w3c_slidy.slides[w3c_slidy.slide_number];
+
+    //var dh = documentHeight(); //getDocHeight(document);
+    var dh = slide.scrollHeight;
+    var wh = getWindowHeight();
+    var u = 100 * dh / wh;
+
+    alert("window utilization = " + u + "% (doc "
+      + dh + " win " + wh + ")");
+  },
+
+  // from document object
+  get_doc_height: function (doc) {
+    if (!doc)
+      doc = document;
+
+    if (doc && doc.body && doc.body.offsetHeight)
+      return doc.body.offsetHeight;  // ns/gecko syntax
+
+    if (doc && doc.body && doc.body.scrollHeight)
+      return doc.body.scrollHeight;
+
+    alert("couldn't determine document height");
+  },
+
+  get_window_height: function () {
+    if ( typeof( window.innerHeight ) == 'number' )
+      return window.innerHeight;  // Non IE browser
+
+    if (document.documentElement && document.documentElement.clientHeight)
+      return document.documentElement.clientHeight;  // IE6
+
+    if (document.body && document.body.clientHeight)
+      return document.body.clientHeight; // IE4
+  },
+
+  document_height: function () {
+    var sh, oh;
+
+    sh = document.body.scrollHeight;
+    oh = document.body.offsetHeight;
+
+    if (sh && oh)
+    {
+      return (sh > oh ? sh : oh);
+    }
+
+    // no idea!
+    return 0;
+  },
+
+  smaller: function () {
+    if (w3c_slidy.size_index > 0)
+    {
+      --w3c_slidy.size_index;
+    }
+
+    w3c_slidy.toolbar.style.display = "none";
+    document.body.style.fontSize = w3c_slidy.sizes[w3c_slidy.size_index];
+    var slide = w3c_slidy.slides[w3c_slidy.slide_number];
+    w3c_slidy.hide_slide(slide);
+    w3c_slidy.show_slide(slide);
+    setTimeout(function () {w3c_slidy.show_toolbar(); }, 50);
+  },
+
+  bigger: function () {
+    if (w3c_slidy.size_index < w3c_slidy.sizes.length - 1)
+    {
+      ++w3c_slidy.size_index;
+    }
+
+    w3c_slidy.toolbar.style.display = "none";
+    document.body.style.fontSize = w3c_slidy.sizes[w3c_slidy.size_index];
+    var slide = w3c_slidy.slides[w3c_slidy.slide_number];
+    w3c_slidy.hide_slide(slide);
+    w3c_slidy.show_slide(slide);
+    setTimeout(function () {w3c_slidy.show_toolbar(); }, 50);
+  },
+
+  // enables cross browser use of relative width/height
+  // on object elements for use with SVG and Flash media
+  // with thanks to Ivan Herman for the suggestion
+  adjust_object_dimensions: function (width, height) {
+    for( var i = 0; i < w3c_slidy.objects.length; i++ )
+    {
+      var obj = this.objects[i];
+      var mimeType = obj.getAttribute("type");
+
+      if (mimeType == "image/svg+xml" || mimeType == "application/x-shockwave-flash")
+      {
+        if ( !obj.initialWidth ) 
+          obj.initialWidth = obj.getAttribute("width");
+
+        if ( !obj.initialHeight ) 
+          obj.initialHeight = obj.getAttribute("height");
+
+        if ( obj.initialWidth && obj.initialWidth.charAt(obj.initialWidth.length-1) == "%" )
+        {
+          var w = parseInt(obj.initialWidth.slice(0, obj.initialWidth.length-1));
+          var newW = width * (w/100.0);
+          obj.setAttribute("width",newW);
+        }
+
+        if ( obj.initialHeight &&
+             obj.initialHeight.charAt(obj.initialHeight.length-1) == "%" )
+        {
+          var h = parseInt(obj.initialHeight.slice(0, obj.initialHeight.length-1));
+          var newH = height * (h/100.0);
+          obj.setAttribute("height", newH);
+        }
+      }
+    }
+  },
+
+  // needed for Opera to inhibit default behavior
+  // since Opera delivers keyPress even if keyDown
+  // was cancelled
+  key_press: function (event) {
+    if (!event)
+      event = window.event;
+
+    if (!w3c_slidy.key_wanted)
+      return w3c_slidy.cancel(event);
+
+    return true;
+  },
+
+  //  See e.g. http://www.quirksmode.org/js/events/keys.html for keycodes
+  key_down: function (event) {
+    var key, target, tag;
+
+    w3c_slidy.key_wanted = true;
+
+    if (!event)
+      event = window.event;
+
+    // kludge around NS/IE differences 
+    if (window.event)
+    {
+      key = window.event.keyCode;
+      target = window.event.srcElement;
+    }
+    else if (event.which)
+    {
+      key = event.which;
+      target = event.target;
+    }
+    else
+      return true; // Yikes! unknown browser
+
+    // ignore event if key value is zero
+    // as for alt on Opera and Konqueror
+    if (!key)
+       return true;
+
+    // avoid interfering with keystroke
+    // behavior for non-slidy chrome elements
+    if (!w3c_slidy.slidy_chrome(target) &&
+        w3c_slidy.special_element(target))
+      return true;
+
+    // check for concurrent control/command/alt key
+    // but are these only present on mouse events?
+
+    if (event.ctrlKey || event.altKey || event.metaKey)
+       return true;
+
+    // dismiss table of contents if visible
+    if (w3c_slidy.is_shown_toc() && key != 9 && key != 16 && key != 38 && key != 40)
+    {
+      w3c_slidy.hide_table_of_contents(true);
+
+      if (key == 27 || key == 84 || key == 67)
+        return w3c_slidy.cancel(event);
+    }
+
+    if (key == 34) // Page Down
+    {
+      if (w3c_slidy.view_all)
+        return true;
+
+      w3c_slidy.next_slide(false);
+      return w3c_slidy.cancel(event);
+    }
+    else if (key == 33) // Page Up
+    {
+      if (w3c_slidy.view_all)
+        return true;
+
+      w3c_slidy.previous_slide(false);
+      return w3c_slidy.cancel(event);
+    }
+    else if (key == 32) // space bar
+    {
+      w3c_slidy.next_slide(true);
+      return w3c_slidy.cancel(event);
+    }
+    else if (key == 37) // Left arrow
+    {
+      w3c_slidy.previous_slide(!event.shiftKey);
+      return w3c_slidy.cancel(event);
+    }
+    else if (key == 36) // Home
+    {
+      w3c_slidy.first_slide();
+      return w3c_slidy.cancel(event);
+    }
+    else if (key == 35) // End
+    {
+      w3c_slidy.last_slide();
+      return w3c_slidy.cancel(event);
+    }
+    else if (key == 39) // Right arrow
+    {
+      w3c_slidy.next_slide(!event.shiftKey);
+      return w3c_slidy.cancel(event);
+    }
+    else if (key == 13) // Enter
+    {
+      if (w3c_slidy.outline)
+      {
+        if (w3c_slidy.outline.visible)
+          w3c_slidy.fold(w3c_slidy.outline);
+        else
+          w3c_slidy.unfold(w3c_slidy.outline);
+          
+       return w3c_slidy.cancel(event);
+      }
+    }
+    else if (key == 188)  // < for smaller fonts
+    {
+      w3c_slidy.smaller();
+      return w3c_slidy.cancel(event);
+    }
+    else if (key == 190)  // > for larger fonts
+    {
+      w3c_slidy.bigger();
+      return w3c_slidy.cancel(event);
+    }
+    else if (key == 189 || key == 109)  // - for smaller fonts
+    {
+      w3c_slidy.smaller();
+      return w3c_slidy.cancel(event);
+    }
+    else if (key == 187 || key == 191 || key == 107)  // = +  for larger fonts
+    {
+      w3c_slidy.bigger();
+      return w3c_slidy.cancel(event);
+    }
+    else if (key == 83)  // S for smaller fonts
+    {
+      w3c_slidy.smaller();
+      return w3c_slidy.cancel(event);
+    }
+    else if (key == 66)  // B for larger fonts
+    {
+      w3c_slidy.bigger();
+      return w3c_slidy.cancel(event);
+    }
+    else if (key == 90)  // Z for last slide
+    {
+      w3c_slidy.last_slide();
+      return w3c_slidy.cancel(event);
+    }
+    else if (key == 70)  // F for toggle toolbar
+    {
+      w3c_slidy.toggle_toolbar();
+      return w3c_slidy.cancel(event);
+    }
+    else if (key == 65)  // A for toggle view single/all slides
+    {
+      w3c_slidy.toggle_view();
+      return w3c_slidy.cancel(event);
+    }
+    else if (key == 75)  // toggle action of left click for next page
+    {
+      w3c_slidy.mouse_click_enabled = !w3c_slidy.mouse_click_enabled;
+      var alert_msg = (w3c_slidy.mouse_click_enabled ?
+                "enabled" : "disabled") +  " mouse click advance";
+
+      alert(w3c_slidy.localize(alert_msg));
+      return w3c_slidy.cancel(event);
+    }
+    else if (key == 84 || key == 67)  // T or C for table of contents
+    {
+      if (w3c_slidy.toc)
+        w3c_slidy.toggle_table_of_contents();
+
+      return w3c_slidy.cancel(event);
+    }
+    else if (key == 72) // H for help
+    {
+      window.location = w3c_slidy.help_page;
+      return w3c_slidy.cancel(event);
+    }
+    //else alert("key code is "+ key);
+
+    return true;
+  },
+
+  // safe for both text/html and application/xhtml+xml
+  create_element: function (name) {
+    if (this.xhtml && (typeof document.createElementNS != 'undefined'))
+      return document.createElementNS("http://www.w3.org/1999/xhtml", name)
+
+    return document.createElement(name);
+  },
+
+  get_element_style: function (elem, IEStyleProp, CSSStyleProp) {
+    if (elem.currentStyle)
+    {
+      return elem.currentStyle[IEStyleProp];
+    }
+    else if (window.getComputedStyle)
+    {
+      var compStyle = window.getComputedStyle(elem, "");
+      return compStyle.getPropertyValue(CSSStyleProp);
+    }
+    return "";
+  },
+
+  // the string str is a whitespace separated list of tokens
+  // test if str contains a particular token, e.g. "slide"
+  has_token: function (str, token) {
+    if (str)
+    {
+      // define pattern as regular expression
+      var pattern = /\w+/g;
+
+      // check for matches
+      // place result in array
+      var result = str.match(pattern);
+
+      // now check if desired token is present
+      for (var i = 0; i < result.length; i++)
+      {
+        if (result[i] == token)
+          return true;
+      }
+    }
+
+    return false;
+  },
+
+  get_class_list: function (element) {
+    if (typeof element.className != 'undefined')
+      return element.className;
+
+    return element.getAttribute("class");
+  },
+
+  has_class: function (element, name) {
+    if (element.nodeType != 1)
+      return false;
+
+    var regexp = new RegExp("(^| )" + name + "\W*");
+
+    if (typeof element.className != 'undefined')
+      return regexp.test(element.className);
+
+    return regexp.test(element.getAttribute("class"));
+  },
+
+  remove_class: function (element, name) {
+    var regexp = new RegExp("(^| )" + name + "\W*");
+    var clsval = "";
+
+    if (typeof element.className != 'undefined')
+    {
+      clsval = element.className;
+
+      if (clsval)
+      {
+        clsval = clsval.replace(regexp, "");
+        element.className = clsval;
+      }
+    }
+    else
+    {
+      clsval = element.getAttribute("class");
+
+      if (clsval)
+      {
+        clsval = clsval.replace(regexp, "");
+        element.setAttribute("class", clsval);
+      }
+    }
+  },
+
+  add_class: function (element, name) {
+    if (!this.has_class(element, name))
+    {
+      if (typeof element.className != 'undefined')
+        element.className += " " + name;
+      else
+      {
+        var clsval = element.getAttribute("class");
+        clsval = clsval ? clsval + " " + name : name;
+        element.setAttribute("class", clsval);
+      }
+    }
+  },
+
+  // HTML elements that can be used with class="incremental"
+  // note that you can also put the class on containers like
+  // up, ol, dl, and div to make their contents appear
+  // incrementally. Upper case is used since this is what
+  // browsers report for HTML node names (text/html).
+  incremental_elements: null,
+  okay_for_incremental: function (name) {
+    if (!this.incremental_elements)
+    {
+      var inclist = new Array();
+      inclist["p"] = true;
+      inclist["pre"] = true;
+      inclist["li"] = true;
+      inclist["blockquote"] = true;
+      inclist["dt"] = true;
+      inclist["dd"] = true;
+      inclist["h2"] = true;
+      inclist["h3"] = true;
+      inclist["h4"] = true;
+      inclist["h5"] = true;
+      inclist["h6"] = true;
+      inclist["span"] = true;
+      inclist["address"] = true;
+      inclist["table"] = true;
+      inclist["tr"] = true;
+      inclist["th"] = true;
+      inclist["td"] = true;
+      inclist["img"] = true;
+      inclist["object"] = true;
+      this.incremental_elements = inclist;
+    }
+    return this.incremental_elements[name.toLowerCase()];
+  },
+
+  next_incremental_item: function (node) {
+    var br = this.is_xhtml ? "br" : "BR";
+    var slide = w3c_slidy.slides[w3c_slidy.slide_number];
+
+    for (;;)
+    {
+      node = w3c_slidy.next_node(slide, node);
+
+      if (node == null || node.parentNode == null)
+        break;
+
+      if (node.nodeType == 1)  // ELEMENT
+      {
+        if (node.nodeName == br)
+          continue;
+
+        if (w3c_slidy.has_class(node, "incremental")
+             && w3c_slidy.okay_for_incremental(node.nodeName))
+          return node;
+
+        if (w3c_slidy.has_class(node.parentNode, "incremental")
+             && !w3c_slidy.has_class(node, "non-incremental"))
+          return node;
+      }
+    }
+
+    return node;
+  },
+
+  previous_incremental_item: function (node) {
+    var br = this.is_xhtml ? "br" : "BR";
+    var slide = w3c_slidy.slides[w3c_slidy.slide_number];
+
+    for (;;)
+    {
+      node = w3c_slidy.previous_node(slide, node);
+
+      if (node == null || node.parentNode == null)
+        break;
+
+      if (node.nodeType == 1)
+      {
+        if (node.nodeName == br)
+          continue;
+
+        if (w3c_slidy.has_class(node, "incremental")
+             && w3c_slidy.okay_for_incremental(node.nodeName))
+          return node;
+
+        if (w3c_slidy.has_class(node.parentNode, "incremental")
+             && !w3c_slidy.has_class(node, "non-incremental"))
+          return node;
+      }
+    }
+
+    return node;
+  },
+
+  // set visibility for all elements on current slide with
+  // a parent element with attribute class="incremental"
+  set_visibility_all_incremental: function (value) {
+    var node = this.next_incremental_item(null);
+
+    if (value == "hidden")
+    {
+      while (node)
+      {
+        w3c_slidy.add_class(node, "invisible");
+        node = w3c_slidy.next_incremental_item(node);
+      }
+    }
+    else // value == "visible"
+    {
+      while (node)
+      {
+        w3c_slidy.remove_class(node, "invisible");
+        node = w3c_slidy.next_incremental_item(node);
+      }
+    }
+  },
+
+  // reveal the next hidden item on the slide
+  // node is null or the node that was last revealed
+  reveal_next_item: function (node) {
+    node = w3c_slidy.next_incremental_item(node);
+
+    if (node && node.nodeType == 1)  // an element
+      w3c_slidy.remove_class(node, "invisible");
+
+    return node;
+  },
+
+  // exact inverse of revealNextItem(node)
+  hide_previous_item: function (node) {
+    if (node && node.nodeType == 1)  // an element
+      w3c_slidy.add_class(node, "invisible");
+
+    return this.previous_incremental_item(node);
+  },
+
+  // left to right traversal of root's content
+  next_node: function (root, node) {
+    if (node == null)
+      return root.firstChild;
+
+    if (node.firstChild)
+      return node.firstChild;
+
+    if (node.nextSibling)
+      return node.nextSibling;
+
+    for (;;)
+    {
+      node = node.parentNode;
+
+      if (!node || node == root)
+        break;
+
+      if (node && node.nextSibling)
+        return node.nextSibling;
+    }
+
+    return null;
+  },
+
+  // right to left traversal of root's content
+  previous_node: function (root, node) {
+    if (node == null)
+    {
+      node = root.lastChild;
+
+      if (node)
+      {
+        while (node.lastChild)
+          node = node.lastChild;
+      }
+
+      return node;
+    }
+
+    if (node.previousSibling)
+    {
+      node = node.previousSibling;
+
+      while (node.lastChild)
+        node = node.lastChild;
+
+      return node;
+    }
+
+    if (node.parentNode != root)
+      return node.parentNode;
+
+    return null;
+  },
+
+  previous_sibling_element: function (el) {
+    el = el.previousSibling;
+
+    while (el && el.nodeType != 1)
+      el = el.previousSibling;
+
+    return el;
+  },
+
+  next_sibling_element: function (el) {
+    el = el.nextSibling;
+
+    while (el && el.nodeType != 1)
+      el = el.nextSibling;
+
+    return el;
+  },
+
+  first_child_element: function (el) {
+    var node;
+
+    for (node = el.firstChild; node; node = node.nextSibling)
+    {
+      if (node.nodeType == 1)
+        break;
+    }
+
+    return node;
+  },
+
+  first_tag: function (element, tag) {
+    var node;
+
+    if (!this.is_xhtml)
+      tag = tag.toUpperCase();
+
+    for (node = element.firstChild; node; node = node.nextSibling)
+    {
+      if (node.nodeType == 1 && node.nodeName == tag)
+        break;
+    }
+
+    return node;
+  },
+
+  hide_selection: function () {
+    if (window.getSelection) // Firefox, Chromium, Safari, Opera
+    {
+      var selection = window.getSelection();
+
+      if (selection.rangeCount > 0)
+      {
+        var range = selection.getRangeAt(0);
+        range.collapse (false);
+      }
+    }
+    else // Internet Explorer
+    {
+      var textRange = document.selection.createRange ();
+      textRange.collapse (false);
+    }
+  },
+
+  get_selected_text: function () {
+    try
+    {
+      if (window.getSelection)
+        return window.getSelection().toString();
+
+      if (document.getSelection)
+        return document.getSelection().toString();
+
+      if (document.selection)
+        return document.selection.createRange().text;
+    }
+    catch (e)
+    {
+    }
+
+    return "";
+  },
+
+  // make note of length of selected text
+  // as this evaluates to zero in click event
+  mouse_button_up: function (e) {
+    w3c_slidy.selected_text_len = w3c_slidy.get_selected_text().length;
+  },
+
+  // right mouse button click is reserved for context menus
+  // it is more reliable to detect rightclick than leftclick
+  mouse_button_click: function (e) {
+    var rightclick = false;
+    var leftclick = false;
+    var middleclick = false;
+    var target;
+
+    if (!e)
+      var e = window.event;
+
+    if (e.target)
+      target = e.target;
+    else if (e.srcElement)
+      target = e.srcElement;
+
+    // work around Safari bug
+    if (target.nodeType == 3)
+      target = target.parentNode;
+
+    if (e.which) // all browsers except IE
+    {
+      leftclick = (e.which == 1);
+      middleclick = (e.which == 2);
+      rightclick = (e.which == 3);
+    }
+    else if (e.button)
+    {
+      // Konqueror gives 1 for left, 4 for middle
+      // IE6 gives 0 for left and not 1 as I expected
+
+      if (e.button == 4)
+        middleclick = true;
+
+      // all browsers agree on 2 for right button
+      rightclick = (e.button == 2);
+    }
+    else
+      leftclick = true;
+
+    if (w3c_slidy.selected_text_len > 0)
+    {
+      w3c_slidy.stop_propagation(e);
+      e.cancel = true;
+      e.returnValue = false;
+      return false;
+    }
+
+    // dismiss table of contents
+    w3c_slidy.hide_table_of_contents(false);
+
+    // check if target is something that probably want's clicks
+    // e.g. a, embed, object, input, textarea, select, option
+    var tag = target.nodeName.toLowerCase();
+
+    if (w3c_slidy.mouse_click_enabled && leftclick &&
+        !w3c_slidy.special_element(target) &&
+        !target.onclick)
+    {
+      w3c_slidy.next_slide(true);
+      w3c_slidy.stop_propagation(e);
+      e.cancel = true;
+      e.returnValue = false;
+      return false;
+    }
+
+    return true;
+  },
+
+  special_element: function (e) {
+    var tag = e.nodeName.toLowerCase();
+
+    return e.onkeydown ||
+      e.onclick ||
+      tag == "a" ||
+      tag == "embed" ||
+      tag == "object" ||
+      tag == "video" ||
+      tag == "audio" ||
+      tag == "input" ||
+      tag == "textarea" ||
+      tag == "select" ||
+      tag == "option";
+  },
+
+  slidy_chrome: function (el) {
+    while (el)
+    {
+      if (el == w3c_slidy.toc ||
+          el == w3c_slidy.toolbar ||
+          w3c_slidy.has_class(el, "outline"))
+        return true;
+
+      el = el.parentNode;
+    }
+
+    return false;
+  },
+
+  get_key: function (e)
+  {
+    var key;
+
+    // kludge around NS/IE differences 
+    if (typeof window.event != "undefined")
+      key = window.event.keyCode;
+    else if (e.which)
+      key = e.which;
+
+    return key;
+  },
+
+  get_target: function (e) {
+    var target;
+
+    if (!e)
+      e = window.event;
+
+    if (e.target)
+      target = e.target;
+    else if (e.srcElement)
+      target = e.srcElement;
+
+    if (target.nodeType != 1)
+      target = target.parentNode;
+
+    return target;
+  },
+
+  // does display property provide correct defaults?
+  is_block: function (elem) {
+    var tag = elem.nodeName.toLowerCase();
+
+    return tag == "ol" || tag == "ul" || tag == "p" ||
+           tag == "li" || tag == "table" || tag == "pre" ||
+           tag == "h1" || tag == "h2" || tag == "h3" ||
+           tag == "h4" || tag == "h5" || tag == "h6" ||
+           tag == "blockquote" || tag == "address"; 
+  },
+
+  add_listener: function (element, event, handler) {
+    if (window.addEventListener)
+      element.addEventListener(event, handler, false);
+    else
+      element.attachEvent("on"+event, handler);
+  },
+
+  // used to prevent event propagation from field controls
+  stop_propagation: function (event) {
+    event = event ? event : window.event;
+    event.cancelBubble = true;  // for IE
+
+    if (event.stopPropagation)
+      event.stopPropagation();
+
+    return true;
+  },
+
+  cancel: function (event) {
+    if (event)
+    {
+       event.cancel = true;
+       event.returnValue = false;
+
+      if (event.preventDefault)
+        event.preventDefault();
+    }
+
+    w3c_slidy.key_wanted = false;
+    return false;
+  },
+
+// for each language define an associative array
+// and also the help text which is longer
+
+  strings_es: {
+    "slide":"pág.",
+    "help?":"Ayuda",
+    "contents?":"Índice",
+    "table of contents":"tabla de contenidos",
+    "Table of Contents":"Tabla de Contenidos",
+    "restart presentation":"Reiniciar presentación",
+    "restart?":"Inicio"
+  },
+  help_es:
+    "Utilice el ratón, barra espaciadora, teclas Izda/Dcha, " +
+    "o Re pág y Av pág. Use S y B para cambiar el tamaño de fuente.",
+
+  strings_ca: {
+    "slide":"pàg..",
+    "help?":"Ajuda",
+    "contents?":"Índex",
+    "table of contents":"taula de continguts",
+    "Table of Contents":"Taula de Continguts",
+    "restart presentation":"Reiniciar presentació",
+    "restart?":"Inici"
+  },
+  help_ca:
+    "Utilitzi el ratolí, barra espaiadora, tecles Esq./Dta. " +
+    "o Re pàg y Av pàg. Usi S i B per canviar grandària de font.",
+
+  strings_cs: {
+    "slide":"snímek",
+    "help?":"nápověda",
+    "contents?":"obsah",
+    "table of contents":"obsah prezentace",
+    "Table of Contents":"Obsah prezentace",
+    "restart presentation":"znovu spustit prezentaci",
+    "restart?":"restart"
+  },
+  help_cs:
+    "Prezentaci můžete procházet pomocí kliknutí myši, mezerníku, " +
+    "šipek vlevo a vpravo nebo kláves PageUp a PageDown. Písmo se " +
+    "dá zvětšit a zmenšit pomocí kláves B a S.",
+
+  strings_nl: {
+    "slide":"pagina",
+    "help?":"Help?",
+    "contents?":"Inhoud?",
+    "table of contents":"inhoudsopgave",
+    "Table of Contents":"Inhoudsopgave",
+    "restart presentation":"herstart presentatie",
+    "restart?":"Herstart?"
+  },
+  help_nl:
+     "Navigeer d.m.v. het muis, spatiebar, Links/Rechts toetsen, " +
+     "of PgUp en PgDn. Gebruik S en B om de karaktergrootte te veranderen.",
+
+  strings_de: {
+    "slide":"Seite",
+    "help?":"Hilfe",
+    "contents?":"Übersicht",
+    "table of contents":"Inhaltsverzeichnis",
+    "Table of Contents":"Inhaltsverzeichnis",
+    "restart presentation":"Präsentation neu starten",
+    "restart?":"Neustart"
+  },
+  help_de:
+    "Benutzen Sie die Maus, Leerschlag, die Cursortasten links/rechts oder " +
+    "Page up/Page Down zum Wechseln der Seiten und S und B für die Schriftgrösse.",
+
+  strings_pl: {
+    "slide":"slajd",
+    "help?":"pomoc?",
+    "contents?":"spis treści?",
+    "table of contents":"spis treści",
+    "Table of Contents":"Spis Treści",
+    "restart presentation":"Restartuj prezentację",
+    "restart?":"restart?"
+  },
+  help_pl:
+    "Zmieniaj slajdy klikając myszą, naciskając spację, strzałki lewo/prawo" +
+    "lub PgUp / PgDn. Użyj klawiszy S i B, aby zmienić rozmiar czczionki.",
+
+  strings_fr: {
+    "slide":"page",
+    "help?":"Aide",
+    "contents?":"Index",
+    "table of contents":"table des matières",
+    "Table of Contents":"Table des matières",
+    "restart presentation":"Recommencer l'exposé",
+    "restart?":"Début"
+  },
+  help_fr:
+    "Naviguez avec la souris, la barre d'espace, les flèches " +
+    "gauche/droite ou les touches Pg Up, Pg Dn. Utilisez " +
+    "les touches S et B pour modifier la taille de la police.",
+
+  strings_hu: {
+    "slide":"oldal",
+    "help?":"segítség",
+    "contents?":"tartalom",
+    "table of contents":"tartalomjegyzék",
+    "Table of Contents":"Tartalomjegyzék",
+    "restart presentation":"bemutató újraindítása",
+    "restart?":"újraindítás"
+  },
+  help_hu:
+    "Az oldalak közti lépkedéshez kattintson az egérrel, vagy " +
+    "használja a szóköz, a bal, vagy a jobb nyíl, illetve a Page Down, " +
+    "Page Up billentyűket. Az S és a B billentyűkkel változtathatja " +
+    "a szöveg méretét.",
+
+  strings_it: {
+    "slide":"pag.",
+    "help?":"Aiuto",
+    "contents?":"Indice",
+    "table of contents":"indice",
+    "Table of Contents":"Indice",
+    "restart presentation":"Ricominciare la presentazione",
+    "restart?":"Inizio"
+  },
+  help_it:
+    "Navigare con mouse, barra spazio, frecce sinistra/destra o " +
+    "PgUp e PgDn. Usare S e B per cambiare la dimensione dei caratteri.",
+
+  strings_el: {
+    "slide":"σελίδα",
+    "help?":"βοήθεια;",
+    "contents?":"περιεχόμενα;",
+    "table of contents":"πίνακας περιεχομένων",
+    "Table of Contents":"Πίνακας Περιεχομένων",
+    "restart presentation":"επανεκκίνηση παρουσίασης",
+    "restart?":"επανεκκίνηση;"
+  },
+  help_el:
+    "Πλοηγηθείτε με το κλίκ του ποντικιού, το space, τα βέλη αριστερά/δεξιά, " +
+    "ή Page Up και Page Down. Χρησιμοποιήστε τα πλήκτρα S και B για να αλλάξετε " +
+    "το μέγεθος της γραμματοσειράς.",
+
+  strings_ja: {
+    "slide":"スライド",
+    "help?":"ヘルプ",
+    "contents?":"目次",
+    "table of contents":"目次を表示",
+    "Table of Contents":"目次",
+    "restart presentation":"最初から再生",
+    "restart?":"最初から"
+  },
+  help_ja:
+     "マウス左クリック ・ スペース ・ 左右キー " +
+     "または Page Up ・ Page Downで操作， S ・ Bでフォントサイズ変更",
+
+  strings_zh: {
+    "slide":"幻灯片",
+    "help?":"帮助?",
+    "contents?":"内容?",
+    "table of contents":"目录",
+    "Table of Contents":"目录",
+    "restart presentation":"重新启动展示",
+    "restart?":"重新启动?"
+  },
+  help_zh:
+    "用鼠标点击, 空格条, 左右箭头, Pg Up 和 Pg Dn 导航. " +
+    "用 S, B 改变字体大小.",
+
+  strings_ru: {
+    "slide":"слайд",
+    "help?":"помощь?",
+    "contents?":"содержание?",
+    "table of contents":"оглавление",
+    "Table of Contents":"Оглавление",
+    "restart presentation":"перезапустить презентацию",
+    "restart?":"перезапуск?"
+  },
+  help_ru:
+    "Перемещайтесь кликая мышкой, используя клавишу пробел, стрелки" +
+    "влево/вправо или Pg Up и Pg Dn. Клавиши S и B меняют размер шрифта.",
+
+  strings_sv: {
+    "slide":"sida",
+    "help?":"hjälp",
+    "contents?":"innehåll",
+    "table of contents":"innehållsförteckning",
+    "Table of Contents":"Innehållsförteckning",
+    "restart presentation":"visa presentationen från början",
+    "restart?":"börja om"
+  },
+  help_sv:
+    "Bläddra med ett klick med vänstra musknappen, mellanslagstangenten, " +
+    "vänster- och högerpiltangenterna eller tangenterna Pg Up, Pg Dn. " +
+    "Använd tangenterna S och B för att ändra textens storlek.",
+
+  strings: { },
+
+  localize: function (src) {
+    if (src == "")
+      return src;
+
+     // try full language code, e.g. en-US
+     var s, lookup = w3c_slidy.strings[w3c_slidy.lang];
+
+     if (lookup)
+     {
+       s = lookup[src];
+
+       if (s)
+        return s;
+     }
+
+     // strip country code suffix, e.g.
+     // try en if undefined for en-US
+     var lg = w3c_slidy.lang.split("-");
+
+     if (lg.length > 1)
+     {
+       lookup = w3c_slidy.strings[lg[0]];
+
+       if (lookup)
+       {
+         s = lookup[src];
+
+         if (s)
+          return s;
+       }
+     }
+
+     // otherwise string as is
+     return src;
+  },
+
+  init_localization: function () {
+    var i18n = w3c_slidy;
+    var help_text = w3c_slidy.help_text;
+
+    // each such language array is declared in the localize array
+    // this is used as in  w3c_slidy.localize("foo");
+    this.strings = {
+      "es":this.strings_es,
+      "ca":this.strings_ca,
+      "cs":this.strings_cs,
+      "nl":this.strings_nl,
+      "de":this.strings_de,
+      "pl":this.strings_pl,
+      "fr":this.strings_fr,
+      "hu":this.strings_hu,
+      "it":this.strings_it,
+      "el":this.strings_el,
+      "jp":this.strings_ja,
+      "zh":this.strings_zh,
+      "ru":this.strings_ru,
+      "sv":this.strings_sv
+    },
+
+    i18n.strings_es[help_text] = i18n.help_es;
+    i18n.strings_ca[help_text] = i18n.help_ca;
+    i18n.strings_cs[help_text] = i18n.help_cs;
+    i18n.strings_nl[help_text] = i18n.help_nl;
+    i18n.strings_de[help_text] = i18n.help_de;
+    i18n.strings_pl[help_text] = i18n.help_pl;
+    i18n.strings_fr[help_text] = i18n.help_fr;
+    i18n.strings_hu[help_text] = i18n.help_hu;
+    i18n.strings_it[help_text] = i18n.help_it;
+    i18n.strings_el[help_text] = i18n.help_el;
+    i18n.strings_ja[help_text] = i18n.help_ja;
+    i18n.strings_zh[help_text] = i18n.help_zh;
+    i18n.strings_ru[help_text] = i18n.help_ru;
+    i18n.strings_sv[help_text] = i18n.help_sv;
+
+    w3c_slidy.lang = document.body.parentNode.getAttribute("lang");
+
+    if (!w3c_slidy.lang)
+      w3c_slidy.lang = document.body.parentNode.getAttribute("xml:lang");
+
+    if (!w3c_slidy.lang)
+      w3c_slidy.lang = "en";
+  }
+};
+
+// hack for back button behavior
+if (w3c_slidy.ie6 || w3c_slidy.ie7)
+{
+  document.write("<iframe id='historyFrame' " +
+  "src='javascript:\"<html"+"></"+"html>\"' " +
+  "height='1' width='1' " +
+  "style='position:absolute;left:-800px'></iframe>");
+}
+
+// attach event listeners for initialization
+w3c_slidy.set_up();
+
+// hide the slides as soon as body element is available
+// to reduce annoying screen mess before the onload event
+setTimeout(w3c_slidy.hide_slides, 50);
+