text: 
  var w3c_slidy={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),is_xhtml:/xml/.test(document.contentType),slide_number:0,slide_number_element:null,slides:[],notes:[],backgrounds:[],toolbar:null,title:null,last_shown:null,eos:null,toc:null,outline:null,selected_text_len:0,view_all:0,want_toolbar:true,mouse_click_enabled:true,scroll_hack:0,disable_slide_click:false,lang:"en",help_anchor:null,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"),last_width:0,last_height:0,objects:[],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);},ie_hack:function(){window.resizeBy(0,-1);window.resizeBy(0,1);},init:function(){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();this.init_outliner();this.title=document.title;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)
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  {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();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.single_slide_view();this.resized();if(this.ie7)
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  {var br=this.create_element("br");toc.appendChild(br);}
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  toc.focus=function(){if(this.first)
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  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();},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)
  {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);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);},toc_key_down:function(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=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);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;},before_print:function(){this.show_all_slides();this.hide_toolbar();alert("before print");},after_print:function(){if(!this.view_all)
  {this.single_slide_view();this.show_toolbar();}
  alert("after print");},print_slides:function(){this.before_print();window.print();this.after_print();},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;}},show_all_slides:function(){this.remove_class(document.body,"single_slide");this.set_visibility_all_incremental("visible");},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);},hide_image_toolbar:function(){if(!this.ns_pos)
  {var images=document.getElementsByTagName("IMG");for(var i=0;i<images.length;++i)
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  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_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;},extract_text:function(node){if(!node)
  return"";if(node.nodeType==3)
  return node.nodeValue;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: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;},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;},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"))
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  {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))
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  return false;},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))
  {w3c_slidy.add_class(node,"hidden");}
  node=node.nextSibling;}
  item.visible=false;},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))
  {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");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");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;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
  {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)";var sp=this.create_element("span");sp.innerHTML="&nbsp;&nbsp;*&nbsp;";this.toolbar.appendChild(sp);this.eos=sp;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;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";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);}
  this.toolbar.onclick=function(e){if(!e)
  e=window.event;var target=e.target;if(!target&&e.srcElement)
  target=e.srcElement;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);},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&&(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;}}},collect_slides:function(){var slides=new Array();var divs=document.body.getElementsByTagName("div");for(var i=0;i<divs.length;++i)
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  else if(this.has_class(div,"background"))
  {div.style.display="block";}}
  this.slides=slides;},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"))
  {notes[notes.length]=div;this.add_class(div,"hidden");}}
  this.notes=notes;},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"))
  {backgrounds[backgrounds.length]=div;this.add_class(div,"hidden");}}
  this.backgrounds=backgrounds;},patch_anchors:function(){var self=w3c_slidy;var handler=function(event){if(self.page_address(this.href)==self.page_address(location.href))
  {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);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);}},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;},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;},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.ie8)
  w3c_slidy.push_hash(hash);if(uri!=location.href)
  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");if(i<0)
  return uri;return uri.substr(0,i);},on_frame_loaded:function(hash){location.hash=hash;var uri=w3c_slidy.page_address(location.href);location.href=uri+hash;},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_slide_number:function(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>this.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>this.slides.length)
  num=1;if(--num<0)
  num=0;return num;}
  return 0;}
  while(true)
  {if(target.nodeName.toLowerCase()=="div"&&this.has_class(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;},previous_slide:function(incremental){if(!w3c_slidy.view_all)
  {var slide;if((incremental||w3c_slidy.slide_number==0)&&w3c_slidy.last_shown!=null)
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  else if(w3c_slidy.slide_number>0)
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  {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);}
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  {var slide;w3c_slidy.last_shown=null;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);}
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  this.hide_backgrounds();},hide_backgrounds:function(){for(var i=0;i<this.backgrounds.length;i++)
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  if(count==0)
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  {if(result[i]=="hidden")
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  w3c_slidy.last_width=width;w3c_slidy.last_height=height;if(w3c_slidy.ns_pos)
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  {w3c_slidy.toolbar.style.display="block";if(!w3c_slidy.ns_pos)
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  w3c_slidy.scrollhack=0;try
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  {}},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;}
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  {w3c_slidy.add_class(w3c_slidy.toolbar,"hidden")
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  {return(sh>oh?sh:oh);}
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  {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)
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  {var w=parseInt(obj.initialWidth.slice(0,obj.initialWidth.length-1));var newW=width*(w/100.0);obj.setAttribute("width",newW);}
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  {key=window.event.keyCode;target=window.event.srcElement;}
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  {key=event.which;target=event.target;}
  else
  return true;if(!key)
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  else if(key==37)
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  else if(key==36)
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  else if(key==35)
  {w3c_slidy.last_slide();return w3c_slidy.cancel(event);}
  else if(key==39)
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  else if(key==13)
  {if(w3c_slidy.outline)
  {if(w3c_slidy.outline.visible)
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  w3c_slidy.unfold(w3c_slidy.outline);return w3c_slidy.cancel(event);}}
  else if(key==188)
  {w3c_slidy.smaller();return w3c_slidy.cancel(event);}
  else if(key==190)
  {w3c_slidy.bigger();return w3c_slidy.cancel(event);}
  else if(key==189||key==109)
  {w3c_slidy.smaller();return w3c_slidy.cancel(event);}
  else if(key==187||key==191||key==107)
  {w3c_slidy.bigger();return w3c_slidy.cancel(event);}
  else if(key==83)
  {w3c_slidy.smaller();return w3c_slidy.cancel(event);}
  else if(key==66)
  {w3c_slidy.bigger();return w3c_slidy.cancel(event);}
  else if(key==90)
  {w3c_slidy.last_slide();return w3c_slidy.cancel(event);}
  else if(key==70)
  {w3c_slidy.toggle_toolbar();return w3c_slidy.cancel(event);}
  else if(key==65)
  {w3c_slidy.toggle_view();return w3c_slidy.cancel(event);}
  else if(key==75)
  {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)
  {if(w3c_slidy.toc)
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  else if(key==72)
  {window.location=w3c_slidy.help_page;return w3c_slidy.cancel(event);}
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  {if(node.nodeName==br)
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  {node=w3c_slidy.previous_node(slide,node);if(node==null||node.parentNode==null)
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  {if(node.nodeName==br)
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  return node;},set_visibility_all_incremental:function(value){var node=this.next_incremental_item(null);if(value=="hidden")
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  {w3c_slidy.add_class(node,"invisible");node=w3c_slidy.next_incremental_item(node);}}
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  {while(node)
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  if(node.parentNode!=root)
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  return node;},first_tag:function(element,tag){var node;if(!this.is_xhtml)
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  {var selection=window.getSelection();if(selection.rangeCount>0)
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  else
  {var textRange=document.selection.createRange();textRange.collapse(false);}},get_selected_text:function(){try
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  catch(e)
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  return"";},mouse_button_up:function(e){w3c_slidy.selected_text_len=w3c_slidy.get_selected_text().length;},mouse_button_click:function(e){var rightclick=false;var leftclick=false;var middleclick=false;var target;if(!e)
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  else
  leftclick=true;if(w3c_slidy.selected_text_len>0)
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