path: root/blends/talk/slidy.js

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),android:((navigator.userAgent).indexOf("Android")>=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),last_tap:0,prev_tap:0,start_x:0,start_y:0,delta_x:0,delta_y:0,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.keyboardless=(this.ipad||this.iphone||this.android);if(this.keyboardless)
{w3c_slidy.remove_class(w3c_slidy.toolbar,"hidden")
this.want_toolbar=0;}
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();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.add_listener(document,"touchstart",this.touchstart);this.add_listener(document,"touchmove",this.touchmove);this.add_listener(document,"touchend",this.touchend);this.single_slide_view();this.resized();if(this.ie7)
setTimeout(w3c_slidy.ie_hack,100);this.show_toolbar();setInterval(function(){w3c_slidy.check_location();},200);w3c_slidy.initialized=true;},table_of_contents:function(){var toc=this.create_element("div");this.add_class(toc,"slidy_toc hidden");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();},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;},touchstart:function(e)
{this.prev_tap=this.last_tap;this.last_tap=(new Date).getTime();var tap_delay=this.last_tap-this.prev_tap;if(tap_delay<=200)
{}
var touch=e.touches[0];this.start_x=touch.pageX;this.start_y=touch.pageY;this.delta_x=this.delta_y=0;},touchmove:function(e)
{var touch=e.touches[0];this.delta_x=touch.pageX-this.start_x;this.delta_y=touch.pageY-this.start_y;},touchend:function(e)
{var delay=(new Date).getTime()-this.last_tap;var dx=this.delta_x;var dy=this.delta_y;var abs_dx=Math.abs(dx);var abs_dy=Math.abs(dy);if(delay<500&&(abs_dx>100||abs_dy>100))
{if(abs_dx>0.5*abs_dy)
{if(dx>0)
w3c_slidy.next_slide(true);else
w3c_slidy.previous_slide(true);}
else if(abs_dy>2*abs_dx)
{w3c_slidy.toggle_table_of_contents();}}},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)
images[i].setAttribute("galleryimg","no");}},unloaded:function(e){},is_KHTML:function(){var agent=navigator.userAgent;return(agent.indexOf("KHTML")>=0?true:false);},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_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"))
continue;target.onclick=this.outline_click;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;},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="swipe right to move to next slide";else
p1.innerHTML="Space, Right Arrow or swipe right 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)
{div=divs.item(i);if(this.has_class(div,"slide"))
{slides[slides.length]=div;this.add_class(div,"hidden");var node1=document.createElement("br");div.appendChild(node1);var node2=document.createElement("br");div.appendChild(node2);}
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.ie6||w3c_slidy.ie7))
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)
{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);}},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();}},last_slide:function(){if(!w3c_slidy.view_all)
{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);}
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();}},set_eos_status:function(state){if(this.eos)
this.eos.style.color=(state?"rgb(240,240,240)":"red");},goto_slide:function(num){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");},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
{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
this.hide_backgrounds();},hide_backgrounds:function(){for(var i=0;i<this.backgrounds.length;i++)
{background=this.backgrounds[i];this.add_class(background,"hidden");}},matching_background:function(slideClass,bgClass){var i,count,pattern,result;pattern=/\w+/g;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)
return true;result=slideClass.match(pattern);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;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*1024.0/768;}
if(width!=w3c_slidy.last_width||height!=w3c_slidy.last_height)
{if(width>=1100)
w3c_slidy.size_index=5;else if(width>=1000)
w3c_slidy.size_index=4;else if(width>=800)
w3c_slidy.size_index=3;else if(width>=600)
w3c_slidy.size_index=2;else if(width)
w3c_slidy.size_index=0;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;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;if(w3c_slidy.ns_pos)
{var slide=w3c_slidy.slides[w3c_slidy.slide_number];w3c_slidy.hide_slide(slide);w3c_slidy.show_slide(slide);}
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();w3c_slidy.toolbar.style.display="none";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();},refresh_toolbar:function(interval){if(!w3c_slidy.ns_pos&&!w3c_slidy.ie7)
{w3c_slidy.hide_toolbar();setTimeout(function(){w3c_slidy.show_toolbar();},interval);}},show_toolbar:function(){if(w3c_slidy.want_toolbar)
{w3c_slidy.toolbar.style.display="block";if(!w3c_slidy.ns_pos)
{var xoffset=w3c_slidy.scroll_x_offset();w3c_slidy.toolbar.style.left=xoffset;w3c_slidy.toolbar.style.right=xoffset;w3c_slidy.toolbar.style.bottom=0;}
w3c_slidy.remove_class(w3c_slidy.toolbar,"hidden");}
w3c_slidy.scrollhack=0;try
{if(!w3c_slidy.opera)
w3c_slidy.help_anchor.focus();}
catch(e)
{}},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;},optimize_font_size:function(){var slide=w3c_slidy.slides[w3c_slidy.slide_number];var dh=slide.scrollHeight;var wh=getWindowHeight();var u=100*dh/wh;alert("window utilization = "+u+"% (doc "
+dh+" win "+wh+")");},get_doc_height:function(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");},get_window_height:function(){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;},document_height:function(){var sh,oh;sh=document.body.scrollHeight;oh=document.body.offsetHeight;if(sh&&oh)
{return(sh>oh?sh:oh);}
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);},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);}}}},key_press:function(event){if(!event)
event=window.event;if(!w3c_slidy.key_wanted)
return w3c_slidy.cancel(event);return true;},key_down:function(event){var key,target,tag;w3c_slidy.key_wanted=true;if(!event)
event=window.event;if(window.event)
{key=window.event.keyCode;target=window.event.srcElement;}
else if(event.which)
{key=event.which;target=event.target;}
else
return true;if(!key)
return true;if(!w3c_slidy.slidy_chrome(target)&&w3c_slidy.special_element(target))
return true;if(event.ctrlKey||event.altKey||event.metaKey)
return true;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)
{if(w3c_slidy.view_all)
return true;w3c_slidy.next_slide(false);return w3c_slidy.cancel(event);}
else if(key==33)
{if(w3c_slidy.view_all)
return true;w3c_slidy.previous_slide(false);return w3c_slidy.cancel(event);}
else if(key==32)
{w3c_slidy.next_slide(true);return w3c_slidy.cancel(event);}
else if(key==37)
{w3c_slidy.previous_slide(!event.shiftKey);return w3c_slidy.cancel(event);}
else if(key==36)
{w3c_slidy.first_slide();return w3c_slidy.cancel(event);}
else if(key==35)
{w3c_slidy.last_slide();return w3c_slidy.cancel(event);}
else if(key==39)
{w3c_slidy.next_slide(!event.shiftKey);return w3c_slidy.cancel(event);}
else if(key==13)
{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)
{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)
w3c_slidy.toggle_table_of_contents();return w3c_slidy.cancel(event);}
else if(key==72)
{window.location=w3c_slidy.help_page;return w3c_slidy.cancel(event);}
return true;},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"";},has_token:function(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;},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);}}},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)
{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_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
{while(node)
{w3c_slidy.remove_class(node,"invisible");node=w3c_slidy.next_incremental_item(node);}}},reveal_next_item:function(node){node=w3c_slidy.next_incremental_item(node);if(node&&node.nodeType==1)
w3c_slidy.remove_class(node,"invisible");return node;},hide_previous_item:function(node){if(node&&node.nodeType==1)
w3c_slidy.add_class(node,"invisible");return this.previous_incremental_item(node);},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;},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)
{var selection=window.getSelection();if(selection.rangeCount>0)
{var range=selection.getRangeAt(0);range.collapse(false);}}
else
{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"";},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)
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(w3c_slidy.selected_text_len>0)
{w3c_slidy.stop_propagation(e);e.cancel=true;e.returnValue=false;return false;}
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