@@ -1,2881 +1,487 @@
1−/* slidy.js
2−
3− Copyright (c) 2005-2010 W3C (MIT, ERCIM, Keio), All Rights Reserved.
4− W3C liability, trademark, document use and software licensing
5− rules apply, see:
6−
7− http://www.w3.org/Consortium/Legal/copyright-documents
8− http://www.w3.org/Consortium/Legal/copyright-software
9−
10− Defines single name "w3c_slidy" in global namespace
11− Adds event handlers without trampling on any others
12−*/
13−
14−// the slidy object implementation
15−var w3c_slidy = {
16− // classify which kind of browser we're running under
17− ns_pos: (typeof window.pageYOffset!='undefined'),
18− khtml: ((navigator.userAgent).indexOf("KHTML") >= 0 ? true : false),
19− opera: ((navigator.userAgent).indexOf("Opera") >= 0 ? true : false),
20− ipad: ((navigator.userAgent).indexOf("iPad") >= 0 ? true : false),
21− iphone: ((navigator.userAgent).indexOf("iPhone") >= 0 ? true : false),
22− ie: (typeof document.all != "undefined" && !this.opera),
23− ie6: (!this.ns_pos && navigator.userAgent.indexOf("MSIE 6") != -1),
24− ie7: (!this.ns_pos && navigator.userAgent.indexOf("MSIE 7") != -1),
25− ie8: (!this.ns_pos && navigator.userAgent.indexOf("MSIE 8") != -1),
26− ie9: (!this.ns_pos && navigator.userAgent.indexOf("MSIE 9") != -1),
27− keyboardless: (this.ipad || this.iphone),
28−
29− // are we running as XHTML? (doesn't work on Opera)
30− is_xhtml: /xml/.test(document.contentType),
31−
32− slide_number: 0, // integer slide count: 0, 1, 2, ...
33− slide_number_element: null, // element containing slide number
34− slides: [], // set to array of slide div's
35− notes: [], // set to array of handout div's
36− backgrounds: [], // set to array of background div's
37− toolbar: null, // element containing toolbar
38− title: null, // document title
39− last_shown: null, // last incrementally shown item
40− eos: null, // span element for end of slide indicator
41− toc: null, // table of contents
42− outline: null, // outline element with the focus
43− selected_text_len: 0, // length of drag selection on document
44− view_all: 0, // 1 to view all slides + handouts
45− want_toolbar: true, // user preference to show/hide toolbar
46− mouse_click_enabled: true, // enables left click for next slide
47− scroll_hack: 0, // IE work around for position: fixed
48− disable_slide_click: false, // used by clicked anchors
49−
50− lang: "en", // updated to language specified by html file
51−
52− help_anchor: null, // used for keyboard focus hack in showToolbar()
53− help_page: "http://www.w3.org/Talks/Tools/Slidy2/help/help.html",
54− help_text: "Navigate with mouse click, space bar, Cursor Left/Right, " +
55− "or Pg Up and Pg Dn. Use S and B to change font size.",
56−
57− size_index: 0,
58− size_adjustment: 0,
59− sizes: new Array("10pt", "12pt", "14pt", "16pt", "18pt", "20pt",
60− "22pt", "24pt", "26pt", "28pt", "30pt", "32pt"),
61−
62− // needed for efficient resizing
63− last_width: 0,
64− last_height: 0,
65−
66−
67− // Needed for cross browser support for relative width/height on
68− // object elements. The work around is to save width/height attributes
69− // and then to recompute absolute width/height dimensions on resizing
70− objects: [],
71−
72− // attach initialiation event handlers
73− set_up: function () {
74− var init = function() { w3c_slidy.init(); };
75− if (typeof window.addEventListener != "undefined")
76− window.addEventListener("load", init, false);
77− else
78− window.attachEvent("onload", init);
79− },
80−
81− hide_slides: function () {
82− if (document.body && !w3c_slidy.initialized)
83− document.body.style.visibility = "hidden";
84− else
85− setTimeout(w3c_slidy.hide_slides, 50);
86− },
87−
88− // hack to persuade IE to compute correct document height
89− // as needed for simulating fixed positioning of toolbar
90− ie_hack: function () {
91− window.resizeBy(0,-1);
92− window.resizeBy(0, 1);
93− },
94−
95− init: function () {
96− //alert("slidy starting test 10");
97− document.body.style.visibility = "visible";
98− this.init_localization();
99− this.add_toolbar();
100− this.wrap_implicit_slides();
101− this.collect_slides();
102− this.collect_notes();
103− this.collect_backgrounds();
104− this.objects = document.body.getElementsByTagName("object");
105− this.patch_anchors();
106− this.slide_number = this.find_slide_number(location.href);
107− window.offscreenbuffering = true;
108− this.size_adjustment = this.find_size_adjust();
109− this.time_left = this.find_duration();
110− this.hide_image_toolbar(); // suppress IE image toolbar popup
111− this.init_outliner(); // activate fold/unfold support
112− this.title = document.title;
113−
114− // work around for opera bug
115− this.is_xhtml = (document.body.tagName == "BODY" ? false : true);
116−
117− if (this.slides.length > 0)
118− {
119− var slide = this.slides[this.slide_number];
120−
121− if (this.slide_number > 0)
122− {
123− this.set_visibility_all_incremental("visible");
124− this.last_shown = this.previous_incremental_item(null);
125− this.set_eos_status(true);
126− }
127− else
128− {
129− this.last_shown = null;
130− this.set_visibility_all_incremental("hidden");
131− this.set_eos_status(!this.next_incremental_item(this.last_shown));
132− }
133−
134− this.set_location();
135− this.add_class(this.slides[0], "first-slide");
136− w3c_slidy.show_slide(slide);
137− }
138−
139− this.toc = this.table_of_contents();
140−
141− this.add_initial_prompt();
142−
143− // bind event handlers without interfering with custom page scripts
144− // Tap events behave too weirdly to support clicks reliably on
145− // iPhone and iPad, so exclude these from click handler
146−
147− if (!this.keyboardless)
148− this.add_listener(document.body, "click", this.mouse_button_click);
149−
150− this.add_listener(document, "keydown", this.key_down);
151− this.add_listener(document, "keypress", this.key_press);
152− this.add_listener(window, "resize", this.resized);
153− this.add_listener(window, "scroll", this.scrolled);
154− this.add_listener(window, "unload", this.unloaded);
155−
156− // this seems to be a debugging hack
157− //if (!document.body.onclick)
158− // document.body.onclick = function () { };
159−
160− this.single_slide_view();
161−
162− //this.set_location();
163−
164− this.resized();
165−
166− if (this.ie7)
167− setTimeout(w3c_slidy.ie_hack, 100);
168−
169− this.show_toolbar();
170−
171− // for back button detection
172− setInterval(function () { w3c_slidy.check_location(); }, 200);
173− w3c_slidy.initialized = true;
174− },
175−
176− // create div element with links to each slide
177− table_of_contents: function () {
178− var toc = this.create_element("div");
179− this.add_class(toc, "slidy_toc hidden");
180− //toc.setAttribute("tabindex", "0");
181−
182− var heading = this.create_element("div");
183− this.add_class(heading, "toc-heading");
184− heading.innerHTML = this.localize("Table of Contents");
185−
186− toc.appendChild(heading);
187− var previous = null;
188−
189− for (var i = 0; i < this.slides.length; ++i)
190− {
191− var title = this.has_class(this.slides[i], "title");
192− var num = document.createTextNode((i + 1) + ". ");
193−
194− toc.appendChild(num);
195−
196− var a = this.create_element("a");
197− a.setAttribute("href", "#(" + (i+1) + ")");
198−
199− if (title)
200− this.add_class(a, "titleslide");
201−
202− var name = document.createTextNode(this.slide_name(i));
203− a.appendChild(name);
204− a.onclick = w3c_slidy.toc_click;
205− a.onkeydown = w3c_slidy.toc_key_down;
206− a.previous = previous;
207−
208− if (previous)
209− previous.next = a;
210−
211− toc.appendChild(a);
212−
213− if (i == 0)
214− toc.first = a;
215−
216− if (i < this.slides.length - 1)
217− {
218− var br = this.create_element("br");
219− toc.appendChild(br);
220− }
221−
222− previous = a;
223− }
224−
225− toc.focus = function () {
226− if (this.first)
227− this.first.focus();
228− }
229−
230− toc.onmouseup = w3c_slidy.mouse_button_up;
231−
232− toc.onclick = function (e) {
233− e||(e=window.event);
234−
235− if (w3c_slidy.selected_text_len <= 0)
236− w3c_slidy.hide_table_of_contents(true);
237−
238− w3c_slidy.stop_propagation(e);
239−
240− if (e.cancel != undefined)
241− e.cancel = true;
242−
243− if (e.returnValue != undefined)
244− e.returnValue = false;
245−
246− return false;
247− };
248−
249− document.body.insertBefore(toc, document.body.firstChild);
250− return toc;
251− },
252−
253− is_shown_toc: function () {
254− return !w3c_slidy.has_class(w3c_slidy.toc, "hidden");
255− },
256−
257− show_table_of_contents: function () {
258− w3c_slidy.remove_class(w3c_slidy.toc, "hidden");
259− var toc = w3c_slidy.toc;
260− toc.focus();
261−
262− if (w3c_slidy.ie7 && w3c_slidy.slide_number == 0)
263− setTimeout(w3c_slidy.ie_hack, 100);
264− },
265−
266− hide_table_of_contents: function (focus) {
267− w3c_slidy.add_class(w3c_slidy.toc, "hidden");
268−
269− if (focus && !w3c_slidy.opera)
270− w3c_slidy.help_anchor.focus();
271− },
272−
273− toggle_table_of_contents: function () {
274− if (w3c_slidy.is_shown_toc())
275− w3c_slidy.hide_table_of_contents(true);
276− else
277− w3c_slidy.show_table_of_contents();
278− },
279−
280− // called on clicking toc entry
281− toc_click: function (e) {
282− if (!e)
283− e = window.event;
284−
285− var target = w3c_slidy.get_target(e);
286−
287− if (target && target.nodeType == 1)
288− {
289− var uri = target.getAttribute("href");
290−
291− if (uri)
292− {
293− //alert("going to " + uri);
294− var slide = w3c_slidy.slides[w3c_slidy.slide_number];
295− w3c_slidy.hide_slide(slide);
296− w3c_slidy.slide_number = w3c_slidy.find_slide_number(uri);
297− slide = w3c_slidy.slides[w3c_slidy.slide_number];
298− w3c_slidy.last_shown = null;
299− w3c_slidy.set_location();
300− w3c_slidy.set_visibility_all_incremental("hidden");
301− w3c_slidy.set_eos_status(!w3c_slidy.next_incremental_item(w3c_slidy.last_shown));
302− w3c_slidy.show_slide(slide);
303− //target.focus();
304−
305− try
306− {
307− if (!w3c_slidy.opera)
308− w3c_slidy.help_anchor.focus();
309− }
310− catch (e)
311− {
312− }
313− }
314− }
315−
316− w3c_slidy.hide_table_of_contents(true);
317− if (w3c_slidy.ie7) w3c_slidy.ie_hack();
318− w3c_slidy.stop_propagation(e);
319− return w3c_slidy.cancel(e);
320− },
321−
322− // called onkeydown for toc entry
323− toc_key_down: function (event) {
324− var key;
325−
326− if (!event)
327− var event = window.event;
328−
329− // kludge around NS/IE differences
330− if (window.event)
331− key = window.event.keyCode;
332− else if (event.which)
333− key = event.which;
334− else
335− return true; // Yikes! unknown browser
336−
337− // ignore event if key value is zero
338− // as for alt on Opera and Konqueror
339− if (!key)
340− return true;
341−
342− // check for concurrent control/command/alt key
343− // but are these only present on mouse events?
344−
345− if (event.ctrlKey || event.altKey)
346− return true;
347−
348− if (key == 13)
349− {
350− var uri = this.getAttribute("href");
351−
352− if (uri)
353− {
354− //alert("going to " + uri);
355− var slide = w3c_slidy.slides[w3c_slidy.slide_number];
356− w3c_slidy.hide_slide(slide);
357− w3c_slidy.slide_number = w3c_slidy.find_slide_number(uri);
358− slide = w3c_slidy.slides[w3c_slidy.slide_number];
359− w3c_slidy.last_shown = null;
360− w3c_slidy.set_location();
361− w3c_slidy.set_visibility_all_incremental("hidden");
362− w3c_slidy.set_eos_status(!w3c_slidy.next_incremental_item(w3c_slidy.last_shown));
363− w3c_slidy.show_slide(slide);
364− //target.focus();
365−
366− try
367− {
368− if (!w3c_slidy.opera)
369− w3c_slidy.help_anchor.focus();
370− }
371− catch (e)
372− {
373− }
374− }
375−
376− w3c_slidy.hide_table_of_contents(true);
377−
378− if (self.ie7)
379− w3c_slidy.ie_hack();
380−
381− return w3c_slidy.cancel(event);
382− }
383−
384− if (key == 40 && this.next)
385− {
386− this.next.focus();
387− return w3c_slidy.cancel(event);
388− }
389−
390− if (key == 38 && this.previous)
391− {
392− this.previous.focus();
393− return w3c_slidy.cancel(event);
394− }
395−
396− return true;
397− },
398−
399−
400− // ### OBSOLETE ###
401− before_print: function () {
402− this.show_all_slides();
403− this.hide_toolbar();
404− alert("before print");
405− },
406−
407− // ### OBSOLETE ###
408− after_print: function () {
409− if (!this.view_all)
410− {
411− this.single_slide_view();
412− this.show_toolbar();
413− }
414− alert("after print");
415− },
416−
417− // ### OBSOLETE ###
418− print_slides: function () {
419− this.before_print();
420− window.print();
421− this.after_print();
422− },
423−
424− // ### OBSOLETE ?? ###
425− toggle_view: function () {
426− if (this.view_all)
427− {
428− this.single_slide_view();
429− this.show_toolbar();
430− this.view_all = 0;
431− }
432− else
433− {
434− this.show_all_slides();
435− this.hide_toolbar();
436− this.view_all = 1;
437− }
438− },
439−
440− // prepare for printing ### OBSOLETE ###
441− show_all_slides: function () {
442− this.remove_class(document.body, "single_slide");
443− this.set_visibility_all_incremental("visible");
444− },
445−
446− // restore after printing ### OBSOLETE ###
447− single_slide_view: function () {
448− this.add_class(document.body, "single_slide");
449− this.set_visibility_all_incremental("visible");
450− this.last_shown = this.previous_incremental_item(null);
451− },
452−
453− // suppress IE's image toolbar pop up
454− hide_image_toolbar: function () {
455− if (!this.ns_pos)
456− {
457− var images = document.getElementsByTagName("IMG");
458−
459− for (var i = 0; i < images.length; ++i)
460− images[i].setAttribute("galleryimg", "no");
461− }
462− },
463−
464− unloaded: function (e) {
465− //alert("unloaded");
466− },
467−
468− // Safari and Konqueror don't yet support getComputedStyle()
469− // and they always reload page when location.href is updated
470− is_KHTML: function () {
471− var agent = navigator.userAgent;
472− return (agent.indexOf("KHTML") >= 0 ? true : false);
473− },
474−
475− // find slide name from first h1 element
476− // default to document title + slide number
477− slide_name: function (index) {
478− var name = null;
479− var slide = this.slides[index];
480−
481− var heading = this.find_heading(slide);
482−
483− if (heading)
484− name = this.extract_text(heading);
485−
486− if (!name)
487− name = this.title + "(" + (index + 1) + ")";
488−
489− name.replace(/\&/g, "&");
490− name.replace(/\</g, "<");
491− name.replace(/\>/g, ">");
492−
493− return name;
494− },
495−
496− // find first h1 element in DOM tree
497− find_heading: function (node) {
498− if (!node || node.nodeType != 1)
499− return null;
500−
501− if (node.nodeName == "H1" || node.nodeName == "h1")
502− return node;
503−
504− var child = node.firstChild;
505−
506− while (child)
507− {
508− node = this.find_heading(child);
509−
510− if (node)
511− return node;
512−
513− child = child.nextSibling;
514− }
515−
516− return null;
517− },
518−
519− // recursively extract text from DOM tree
520− extract_text: function (node) {
521− if (!node)
522− return "";
523−
524− // text nodes
525− if (node.nodeType == 3)
526− return node.nodeValue;
527−
528− // elements
529− if (node.nodeType == 1)
530− {
531− node = node.firstChild;
532− var text = "";
533−
534− while (node)
535− {
536− text = text + this.extract_text(node);
537− node = node.nextSibling;
538− }
539−
540− return text;
541− }
542−
543− return "";
544− },
545−
546− // find copyright text from meta element
547− find_copyright: function () {
548− var name, content;
549− var meta = document.getElementsByTagName("meta");
550−
551− for (var i = 0; i < meta.length; ++i)
552− {
553− name = meta[i].getAttribute("name");
554− content = meta[i].getAttribute("content");
555−
556− if (name == "copyright")
557− return content;
558− }
559−
560− return null;
561− },
562−
563− find_size_adjust: function () {
564− var name, content, offset;
565− var meta = document.getElementsByTagName("meta");
566−
567− for (var i = 0; i < meta.length; ++i)
568− {
569− name = meta[i].getAttribute("name");
570− content = meta[i].getAttribute("content");
571−
572− if (name == "font-size-adjustment")
573− return 1 * content;
574− }
575−
576− return 1;
577− },
578−
579− // <meta name="duration" content="20" /> for 20 minutes
580− find_duration: function () {
581− var name, content, offset;
582− var meta = document.getElementsByTagName("meta");
583−
584− for (var i = 0; i < meta.length; ++i)
585− {
586− name = meta[i].getAttribute("name");
587− content = meta[i].getAttribute("content");
588−
589− if (name == "duration")
590− return 60000 * content;
591− }
592−
593− return null;
594− },
595−
596− replace_by_non_breaking_space: function (str) {
597− for (var i = 0; i < str.length; ++i)
598− str[i] = 160;
599− },
600−
601− // ### CHECK ME ### is use of "li" okay for text/html?
602− // for XHTML do we also need to specify namespace?
603− init_outliner: function () {
604− var items = document.getElementsByTagName("li");
605−
606− for (var i = 0; i < items.length; ++i)
607− {
608− var target = items[i];
609−
610− if (!this.has_class(target.parentNode, "outline"))
611− continue;
612−
613− target.onclick = this.outline_click;
614−/* ### more work needed for IE6
615− if (!this.ns_pos)
616− {
617− target.onmouseover = this.hover_outline;
618− target.onmouseout = this.unhover_outline;
619− }
620−*/
621− if (this.foldable(target))
622− {
623− target.foldable = true;
624− target.onfocus = function () {w3c_slidy.outline = this;};
625− target.onblur = function () {w3c_slidy.outline = null;};
626−
627− if (!target.getAttribute("tabindex"))
628− target.setAttribute("tabindex", "0");
629−
630− if (this.has_class(target, "expand"))
631− this.unfold(target);
632− else
633− this.fold(target);
634− }
635− else
636− {
637− this.add_class(target, "nofold");
638− target.visible = true;
639− target.foldable = false;
640− }
641− }
642− },
643−
644− foldable: function (item) {
645− if (!item || item.nodeType != 1)
646− return false;
647−
648− var node = item.firstChild;
649−
650− while (node)
651− {
652− if (node.nodeType == 1 && this.is_block(node))
653− return true;
654−
655− node = node.nextSibling;
656− }
657−
658− return false;
659− },
660−
661− // ### CHECK ME ### switch to add/remove "hidden" class
662− fold: function (item) {
663− if (item)
664− {
665− this.remove_class(item, "unfolded");
666− this.add_class(item, "folded");
667− }
668−
669− var node = item ? item.firstChild : null;
670−
671− while (node)
672− {
673− if (node.nodeType == 1 && this.is_block(node)) // element
674− {
675− w3c_slidy.add_class(node, "hidden");
676− }
677−
678− node = node.nextSibling;
679− }
680−
681− item.visible = false;
682− },
683−
684− // ### CHECK ME ### switch to add/remove "hidden" class
685− unfold: function (item) {
686− if (item)
687− {
688− this.add_class(item, "unfolded");
689− this.remove_class(item, "folded");
690− }
691−
692− var node = item ? item.firstChild : null;
693−
694− while (node)
695− {
696− if (node.nodeType == 1 && this.is_block(node)) // element
697− {
698− w3c_slidy.remove_class(node, "hidden");
699− }
700−
701− node = node.nextSibling;
702− }
703−
704− item.visible = true;
705− },
706−
707− outline_click: function (e) {
708− if (!e)
709− e = window.event;
710−
711− var rightclick = false;
712− var target = w3c_slidy.get_target(e);
713−
714− while (target && target.visible == undefined)
715− target = target.parentNode;
716−
717− if (!target)
718− return true;
719−
720− if (e.which)
721− rightclick = (e.which == 3);
722− else if (e.button)
723− rightclick = (e.button == 2);
724−
725− if (!rightclick && target.visible != undefined)
726− {
727− if (target.foldable)
728− {
729− if (target.visible)
730− w3c_slidy.fold(target);
731− else
732− w3c_slidy.unfold(target);
733− }
734−
735− w3c_slidy.stop_propagation(e);
736− e.cancel = true;
737− e.returnValue = false;
738− }
739−
740− return false;
741− },
742−
743− add_initial_prompt: function () {
744− var prompt = this.create_element("div");
745− prompt.setAttribute("class", "initial_prompt");
746−
747− var p1 = this.create_element("p");
748− prompt.appendChild(p1);
749− p1.setAttribute("class", "help");
750−
751− if (this.keyboardless)
752− p1.innerHTML = "Tap footer to move to next slide";
753− else
754− p1.innerHTML = "Space or Right Arrow to move to next " +
755− "slide, click help below for more details";
756−
757− this.add_listener(prompt, "click", function (e) {
758− document.body.removeChild(prompt);
759− w3c_slidy.stop_propagation(e);
760−
761− if (e.cancel != undefined)
762− e.cancel = true;
763−
764− if (e.returnValue != undefined)
765− e.returnValue = false;
766−
767− return false;
768− });
769−
770− document.body.appendChild(prompt);
771− this.initial_prompt = prompt;
772− setTimeout(function() {document.body.removeChild(prompt);}, 5000);
773− },
774−
775− add_toolbar: function () {
776− var counter, page;
777−
778− this.toolbar = this.create_element("div");
779− this.toolbar.setAttribute("class", "toolbar");
780−
781− // a reasonably behaved browser
782− if (this.ns_pos || !this.ie6)
783− {
784− var right = this.create_element("div");
785− right.setAttribute("style", "float: right; text-align: right");
786−
787− counter = this.create_element("span")
788− counter.innerHTML = this.localize("slide") + " n/m";
789− right.appendChild(counter);
790− this.toolbar.appendChild(right);
791−
792− var left = this.create_element("div");
793− left.setAttribute("style", "text-align: left");
794−
795− // global end of slide indicator
796− this.eos = this.create_element("span");
797− this.eos.innerHTML = "* ";
798− left.appendChild(this.eos);
799−
800− var help = this.create_element("a");
801− help.setAttribute("href", this.help_page);
802− help.setAttribute("title", this.localize(this.help_text));
803− help.innerHTML = this.localize("help?");
804− left.appendChild(help);
805− this.help_anchor = help; // save for focus hack
806−
807− var gap1 = document.createTextNode(" ");
808− left.appendChild(gap1);
809−
810− var contents = this.create_element("a");
811− contents.setAttribute("href", "javascript:w3c_slidy.toggle_table_of_contents()");
812− contents.setAttribute("title", this.localize("table of contents"));
813− contents.innerHTML = this.localize("contents?");
814− left.appendChild(contents);
815−
816− var gap2 = document.createTextNode(" ");
817− left.appendChild(gap2);
818−
819− var copyright = this.find_copyright();
820−
821− if (copyright)
822− {
823− var span = this.create_element("span");
824− span.className = "copyright";
825− span.innerHTML = copyright;
826− left.appendChild(span);
827− }
828−
829− this.toolbar.setAttribute("tabindex", "0");
830− this.toolbar.appendChild(left);
831− }
832− else // IE6 so need to work around its poor CSS support
833− {
834− this.toolbar.style.position = (this.ie7 ? "fixed" : "absolute");
835− this.toolbar.style.zIndex = "200";
836− this.toolbar.style.width = "99.9%";
837− this.toolbar.style.height = "1.2em";
838− this.toolbar.style.top = "auto";
839− this.toolbar.style.bottom = "0";
840− this.toolbar.style.left = "0";
841− this.toolbar.style.right = "0";
842− this.toolbar.style.textAlign = "left";
843− this.toolbar.style.fontSize = "60%";
844− this.toolbar.style.color = "red";
845− this.toolbar.borderWidth = 0;
846− this.toolbar.className = "toolbar";
847− this.toolbar.style.background = "rgb(240,240,240)";
848−
849− // would like to have help text left aligned
850− // and page counter right aligned, floating
851− // div's don't work, so instead use nested
852− // absolutely positioned div's.
853−
854− var sp = this.create_element("span");
855− sp.innerHTML = " * ";
856− this.toolbar.appendChild(sp);
857− this.eos = sp; // end of slide indicator
858−
859− var help = this.create_element("a");
860− help.setAttribute("href", this.help_page);
861− help.setAttribute("title", this.localize(this.help_text));
862− help.innerHTML = this.localize("help?");
863− this.toolbar.appendChild(help);
864− this.help_anchor = help; // save for focus hack
865−
866− var gap1 = document.createTextNode(" ");
867− this.toolbar.appendChild(gap1);
868−
869− var contents = this.create_element("a");
870− contents.setAttribute("href", "javascript:toggleTableOfContents()");
871− contents.setAttribute("title", this.localize("table of contents".localize));
872− contents.innerHTML = this.localize("contents?");
873− this.toolbar.appendChild(contents);
874−
875− var gap2 = document.createTextNode(" ");
876− this.toolbar.appendChild(gap2);
877−
878− var copyright = this.find_copyright();
879−
880− if (copyright)
881− {
882− var span = this.create_element("span");
883− span.innerHTML = copyright;
884− span.style.color = "black";
885− span.style.marginLeft = "0.5em";
886− this.toolbar.appendChild(span);
887− }
888−
889− counter = this.create_element("div")
890− counter.style.position = "absolute";
891− counter.style.width = "auto"; //"20%";
892− counter.style.height = "1.2em";
893− counter.style.top = "auto";
894− counter.style.bottom = 0;
895− counter.style.right = "0";
896− counter.style.textAlign = "right";
897− counter.style.color = "red";
898− counter.style.background = "rgb(240,240,240)";
899−
900− counter.innerHTML = this.localize("slide") + " n/m";
901− this.toolbar.appendChild(counter);
902− }
903−
904− // ensure that click isn't passed through to the page
905− this.toolbar.onclick =
906− function (e) {
907− if (!e)
908− e = window.event;
909−
910− var target = e.target;
911−
912− if (!target && e.srcElement)
913− target = e.srcElement;
914−
915− // work around Safari bug
916− if (target && target.nodeType == 3)
917− target = target.parentNode;
918−
919− w3c_slidy.stop_propagation(e);
920−
921− if (target && target.nodeName.toLowerCase() != "a")
922− w3c_slidy.mouse_button_click(e);
923− };
924−
925− this.slide_number_element = counter;
926− this.set_eos_status(false);
927− document.body.appendChild(this.toolbar);
928− },
929−
930− // wysiwyg editors make it hard to use div elements
931− // e.g. amaya loses the div when you copy and paste
932− // this function wraps div elements around implicit
933− // slides which start with an h1 element and continue
934− // up to the next heading or div element
935− wrap_implicit_slides: function () {
936− var i, heading, node, next, div;
937− var headings = document.getElementsByTagName("h1");
938−
939− if (!headings)
940− return;
941−
942− for (i = 0; i < headings.length; ++i)
943− {
944− heading = headings[i];
945−
946− if (heading.parentNode != document.body)
947− continue;
948−
949− node = heading.nextSibling;
950−
951− div = document.createElement("div");
952− this.add_class(div, "slide");
953− document.body.replaceChild(div, heading);
954− div.appendChild(heading);
955−
956− while (node)
957− {
958− if (node.nodeType == 1 && // an element
959− (node.nodeName == "H1" ||
960− node.nodeName == "h1" ||
961− node.nodeName == "DIV" ||
962− node.nodeName == "div"))
963− break;
964−
965− next = node.nextSibling;
966− node = document.body.removeChild(node);
967− div.appendChild(node);
968− node = next;
969− }
970− }
971− },
972−
973−// return new array of all slides
974− collect_slides: function () {
975− var slides = new Array();
976− var divs = document.body.getElementsByTagName("div");
977−
978− for (var i = 0; i < divs.length; ++i)
979− {
980− div = divs.item(i);
981−
982− if (this.has_class(div, "slide"))
983− {
984− // add slide to collection
985− slides[slides.length] = div;
986−
987− // hide each slide as it is found
988− this.add_class(div, "hidden");
989−
990− // add dummy <br/> at end for scrolling hack
991− var node1 = document.createElement("br");
992− div.appendChild(node1);
993− var node2 = document.createElement("br");
994− div.appendChild(node2);
995− }
996− else if (this.has_class(div, "background"))
997− { // work around for Firefox SVG reload bug
998− // which otherwise replaces 1st SVG graphic with 2nd
999− div.style.display = "block";
1000− }
1001− }
1002−
1003− this.slides = slides;
1004− },
1005−
1006− // return new array of all <div class="handout">
1007− collect_notes: function () {
1008− var notes = new Array();
1009− var divs = document.body.getElementsByTagName("div");
1010−
1011− for (var i = 0; i < divs.length; ++i)
1012− {
1013− div = divs.item(i);
1014−
1015− if (this.has_class(div, "handout"))
1016− {
1017− // add note to collection
1018− notes[notes.length] = div;
1019−
1020− // and hide it
1021− this.add_class(div, "hidden");
1022− }
1023− }
1024−
1025− this.notes = notes;
1026− },
1027−
1028− // return new array of all <div class="background">
1029− // including named backgrounds e.g. class="background titlepage"
1030− collect_backgrounds: function () {
1031− var backgrounds = new Array();
1032− var divs = document.body.getElementsByTagName("div");
1033−
1034− for (var i = 0; i < divs.length; ++i)
1035− {
1036− div = divs.item(i);
1037−
1038− if (this.has_class(div, "background"))
1039− {
1040− // add background to collection
1041− backgrounds[backgrounds.length] = div;
1042−
1043− // and hide it
1044− this.add_class(div, "hidden");
1045− }
1046− }
1047−
1048− this.backgrounds = backgrounds;
1049− },
1050−
1051− // set click handlers on all anchors
1052− patch_anchors: function () {
1053− var self = w3c_slidy;
1054− var handler = function (event) {
1055− // compare this.href with location.href
1056− // for link to another slide in this doc
1057−
1058− if (self.page_address(this.href) == self.page_address(location.href))
1059− {
1060− // yes, so find new slide number
1061− var newslidenum = self.find_slide_number(this.href);
1062−
1063− if (newslidenum != self.slide_number)
1064− {
1065− var slide = self.slides[self.slide_number];
1066− self.hide_slide(slide);
1067− self.slide_number = newslidenum;
1068− slide = self.slides[self.slide_number];
1069− self.show_slide(slide);
1070− self.set_location();
1071− }
1072− }
1073− else
1074− w3c_slidy.stop_propagation(event);
1075−
1076−// else if (this.target == null)
1077−// location.href = this.href;
1078−
1079− this.blur();
1080− self.disable_slide_click = true;
1081− };
1082−
1083− var anchors = document.body.getElementsByTagName("a");
1084−
1085− for (var i = 0; i < anchors.length; ++i)
1086− {
1087− if (window.addEventListener)
1088− anchors[i].addEventListener("click", handler, false);
1089− else
1090− anchors[i].attachEvent("onclick", handler);
1091− }
1092− },
1093−
1094− // ### CHECK ME ### see which functions are invoked via setTimeout
1095− // either directly or indirectly for use of w3c_slidy vs this
1096− show_slide_number: function () {
1097− var timer = w3c_slidy.get_timer();
1098− w3c_slidy.slide_number_element.innerHTML = timer + w3c_slidy.localize("slide") + " " +
1099− (w3c_slidy.slide_number + 1) + "/" + w3c_slidy.slides.length;
1100− },
1101−
1102− // every 200mS check if the location has been changed as a
1103− // result of the user activating the Back button/menu item
1104− // doesn't work for Opera < 9.5
1105− check_location: function () {
1106− var hash = location.hash;
1107−
1108− if (w3c_slidy.slide_number > 0 && (hash == "" || hash == "#"))
1109− w3c_slidy.goto_slide(0);
1110− else if (hash.length > 2 && hash != "#("+(w3c_slidy.slide_number+1)+")")
1111− {
1112− var num = parseInt(location.hash.substr(2));
1113−
1114− if (!isNaN(num))
1115− w3c_slidy.goto_slide(num-1);
1116− }
1117−
1118− if (w3c_slidy.time_left && w3c_slidy.slide_number > 0)
1119− {
1120− w3c_slidy.show_slide_number();
1121−
1122− if (w3c_slidy.time_left > 0)
1123− w3c_slidy.time_left -= 200;
1124− }
1125− },
1126−
1127− get_timer: function () {
1128− var timer = "";
1129− if (w3c_slidy.time_left)
1130− {
1131− var mins, secs;
1132− secs = Math.floor(w3c_slidy.time_left/1000);
1133− mins = Math.floor(secs / 60);
1134− secs = secs % 60;
1135− timer = (mins ? mins+"m" : "") + secs + "s ";
1136− }
1137−
1138− return timer;
1139− },
1140−
1141− // this doesn't push location onto history stack for IE
1142− // for which a hidden iframe hack is needed: load page into
1143− // the iframe with script that set's parent's location.hash
1144− // but that won't work for standalone use unless we can
1145− // create the page dynamically via a javascript: URL
1146− set_location: function () {
1147− var uri = w3c_slidy.page_address(location.href);
1148− var hash = "#(" + (w3c_slidy.slide_number+1) + ")";
1149−
1150− if (w3c_slidy.slide_number >= 0)
1151− uri = uri + hash;
1152−
1153− if (w3c_slidy.ie && (w3c_slidy.ie6 || w3c_slidy.ie7))
1154− w3c_slidy.push_hash(hash);
1155−
1156− if (uri != location.href) // && !khtml
1157− location.href = uri;
1158−
1159− if (this.khtml)
1160− hash = "(" + (w3c_slidy.slide_number+1) + ")";
1161−
1162− if (!this.ie && location.hash != hash && location.hash != "")
1163− location.hash = hash;
1164−
1165− document.title = w3c_slidy.title + " (" + (w3c_slidy.slide_number+1) + ")";
1166− w3c_slidy.show_slide_number();
1167− },
1168−
1169− page_address: function (uri) {
1170− var i = uri.indexOf("#");
1171−
1172− if (i < 0)
1173− i = uri.indexOf("%23");
1174−
1175− // check if anchor is entire page
1176−
1177− if (i < 0)
1178− return uri; // yes
1179−
1180− return uri.substr(0, i);
1181− },
1182−
1183− // only used for IE6 and IE7
1184− on_frame_loaded: function (hash) {
1185− location.hash = hash;
1186− var uri = w3c_slidy.page_address(location.href);
1187− location.href = uri + hash;
1188− },
1189−
1190− // history hack with thanks to Bertrand Le Roy
1191− push_hash: function (hash) {
1192− if (hash == "") hash = "#(1)";
1193− window.location.hash = hash;
1194−
1195− var doc = document.getElementById("historyFrame").contentWindow.document;
1196− doc.open("javascript:'<html></html>'");
1197− doc.write("<html><head><script type=\"text/javascript\">window.parent.w3c_slidy.on_frame_loaded('"+
1198− (hash) + "');\74/script></head><body>hello mum</body></html>");
1199− doc.close();
1200− },
1201−
1202− // find current slide based upon location
1203− // first find target anchor and then look
1204− // for associated div element enclosing it
1205− // finally map that to slide number
1206− find_slide_number: function (uri) {
1207− // first get anchor from page location
1208−
1209− var i = uri.indexOf("#");
1210−
1211− // check if anchor is entire page
1212− if (i < 0)
1213− return 0; // yes
1214−
1215− var anchor = unescape(uri.substr(i+1));
1216−
1217− // now use anchor as XML ID to find target
1218− var target = document.getElementById(anchor);
1219−
1220− if (!target)
1221− {
1222− // does anchor look like "(2)" for slide 2 ??
1223− // where first slide is (1)
1224− var re = /\((\d)+\)/;
1225−
1226− if (anchor.match(re))
1227− {
1228− var num = parseInt(anchor.substring(1, anchor.length-1));
1229−
1230− if (num > this.slides.length)
1231− num = 1;
1232−
1233− if (--num < 0)
1234− num = 0;
1235−
1236− return num;
1237− }
1238−
1239− // accept [2] for backwards compatibility
1240− re = /\[(\d)+\]/;
1241−
1242− if (anchor.match(re))
1243− {
1244− var num = parseInt(anchor.substring(1, anchor.length-1));
1245−
1246− if (num > this.slides.length)
1247− num = 1;
1248−
1249− if (--num < 0)
1250− num = 0;
1251−
1252− return num;
1253− }
1254−
1255− // oh dear unknown anchor
1256− return 0;
1257− }
1258−
1259− // search for enclosing slide
1260−
1261− while (true)
1262− {
1263− // browser coerces html elements to uppercase!
1264− if (target.nodeName.toLowerCase() == "div" &&
1265− this.has_class(target, "slide"))
1266− {
1267− // found the slide element
1268− break;
1269− }
1270−
1271− // otherwise try parent element if any
1272−
1273− target = target.parentNode;
1274−
1275− if (!target)
1276− {
1277− return 0; // no luck!
1278− }
1279− };
1280−
1281− for (i = 0; i < slides.length; ++i)
1282− {
1283− if (slides[i] == target)
1284− return i; // success
1285− }
1286−
1287− // oh dear still no luck
1288− return 0;
1289− },
1290−
1291− previous_slide: function (incremental) {
1292− if (!w3c_slidy.view_all)
1293− {
1294− var slide;
1295−
1296− if ((incremental || w3c_slidy.slide_number == 0) && w3c_slidy.last_shown != null)
1297− {
1298− w3c_slidy.last_shown = w3c_slidy.hide_previous_item(w3c_slidy.last_shown);
1299− w3c_slidy.set_eos_status(false);
1300− }
1301− else if (w3c_slidy.slide_number > 0)
1302− {
1303− slide = w3c_slidy.slides[w3c_slidy.slide_number];
1304− w3c_slidy.hide_slide(slide);
1305−
1306− w3c_slidy.slide_number = w3c_slidy.slide_number - 1;
1307− slide = w3c_slidy.slides[w3c_slidy.slide_number];
1308− w3c_slidy.set_visibility_all_incremental("visible");
1309− w3c_slidy.last_shown = w3c_slidy.previous_incremental_item(null);
1310− w3c_slidy.set_eos_status(true);
1311− w3c_slidy.show_slide(slide);
1312− }
1313−
1314− w3c_slidy.set_location();
1315−
1316− if (!w3c_slidy.ns_pos)
1317− w3c_slidy.refresh_toolbar(200);
1318− }
1319− },
1320−
1321− next_slide: function (incremental) {
1322− if (!w3c_slidy.view_all)
1323− {
1324− var slide, last = w3c_slidy.last_shown;
1325−
1326− if (incremental || w3c_slidy.slide_number == w3c_slidy.slides.length - 1)
1327− w3c_slidy.last_shown = w3c_slidy.reveal_next_item(w3c_slidy.last_shown);
1328−
1329− if ((!incremental || w3c_slidy.last_shown == null) &&
1330− w3c_slidy.slide_number < w3c_slidy.slides.length - 1)
1331− {
1332− slide = w3c_slidy.slides[w3c_slidy.slide_number];
1333− w3c_slidy.hide_slide(slide);
1334−
1335− w3c_slidy.slide_number = w3c_slidy.slide_number + 1;
1336− slide = w3c_slidy.slides[w3c_slidy.slide_number];
1337− w3c_slidy.last_shown = null;
1338− w3c_slidy.set_visibility_all_incremental("hidden");
1339− w3c_slidy.show_slide(slide);
1340− }
1341− else if (!w3c_slidy.last_shown)
1342− {
1343− if (last && incremental)
1344− w3c_slidy.last_shown = last;
1345− }
1346−
1347− w3c_slidy.set_location();
1348−
1349− w3c_slidy.set_eos_status(!w3c_slidy.next_incremental_item(w3c_slidy.last_shown));
1350−
1351− if (!w3c_slidy.ns_pos)
1352− w3c_slidy.refresh_toolbar(200);
1353− }
1354− },
1355−
1356− // to first slide with nothing revealed
1357− // i.e. state at start of presentation
1358− first_slide: function () {
1359− if (!w3c_slidy.view_all)
1360− {
1361− var slide;
1362−
1363− if (w3c_slidy.slide_number != 0)
1364− {
1365− slide = w3c_slidy.slides[w3c_slidy.slide_number];
1366− w3c_slidy.hide_slide(slide);
1367−
1368− w3c_slidy.slide_number = 0;
1369− slide = w3c_slidy.slides[w3c_slidy.slide_number];
1370− w3c_slidy.last_shown = null;
1371− w3c_slidy.set_visibility_all_incremental("hidden");
1372− w3c_slidy.show_slide(slide);
1373− }
1374−
1375− w3c_slidy.set_eos_status(
1376− !w3c_slidy.next_incremental_item(w3c_slidy.last_shown));
1377− w3c_slidy.set_location();
1378− }
1379− },
1380−
1381− // goto last slide with everything revealed
1382− // i.e. state at end of presentation
1383− last_slide: function () {
1384− if (!w3c_slidy.view_all)
1385− {
1386− var slide;
1387−
1388− w3c_slidy.last_shown = null; //revealNextItem(lastShown);
1389−
1390− if (w3c_slidy.last_shown == null &&
1391− w3c_slidy.slide_number < w3c_slidy.slides.length - 1)
1392− {
1393− slide = w3c_slidy.slides[w3c_slidy.slide_number];
1394− w3c_slidy.hide_slide(slide);
1395− w3c_slidy.slide_number = w3c_slidy.slides.length - 1;
1396− slide = w3c_slidy.slides[w3c_slidy.slide_number];
1397− w3c_slidy.set_visibility_all_incremental("visible");
1398− w3c_slidy.last_shown = w3c_slidy.previous_incremental_item(null);
1399−
1400− w3c_slidy.show_slide(slide);
1401− }
1402− else
1403− {
1404− w3c_slidy.set_visibility_all_incremental("visible");
1405− w3c_slidy.last_shown = w3c_slidy.previous_incremental_item(null);
1406− }
1407−
1408− w3c_slidy.set_eos_status(true);
1409− w3c_slidy.set_location();
1410− }
1411− },
1412−
1413−
1414− // ### check this and consider add/remove class
1415− set_eos_status: function (state) {
1416− if (this.eos)
1417− this.eos.style.color = (state ? "rgb(240,240,240)" : "red");
1418− },
1419−
1420− // first slide is 0
1421− goto_slide: function (num) {
1422− //alert("going to slide " + (num+1));
1423− var slide = w3c_slidy.slides[w3c_slidy.slide_number];
1424− w3c_slidy.hide_slide(slide);
1425− w3c_slidy.slide_number = num;
1426− slide = w3c_slidy.slides[w3c_slidy.slide_number];
1427− w3c_slidy.last_shown = null;
1428− w3c_slidy.set_visibility_all_incremental("hidden");
1429− w3c_slidy.set_eos_status(!w3c_slidy.next_incremental_item(w3c_slidy.last_shown));
1430− document.title = w3c_slidy.title + " (" + (w3c_slidy.slide_number+1) + ")";
1431− w3c_slidy.show_slide(slide);
1432− w3c_slidy.show_slide_number();
1433− },
1434−
1435−
1436− show_slide: function (slide) {
1437− this.sync_background(slide);
1438− window.scrollTo(0,0);
1439− this.remove_class(slide, "hidden");
1440− },
1441−
1442− hide_slide: function (slide) {
1443− this.add_class(slide, "hidden");
1444− },
1445−
1446− // show just the backgrounds pertinent to this slide
1447− // when slide background-color is transparent
1448− // this should now work with rgba color values
1449− sync_background: function (slide) {
1450− var background;
1451− var bgColor;
1452−
1453− if (slide.currentStyle)
1454− bgColor = slide.currentStyle["backgroundColor"];
1455− else if (document.defaultView)
1456− {
1457− var styles = document.defaultView.getComputedStyle(slide,null);
1458−
1459− if (styles)
1460− bgColor = styles.getPropertyValue("background-color");
1461− else // broken implementation probably due Safari or Konqueror
1462− {
1463− //alert("defective implementation of getComputedStyle()");
1464− bgColor = "transparent";
1465− }
1466− }
1467− else
1468− bgColor == "transparent";
1469−
1470− if (bgColor == "transparent" ||
1471− bgColor.indexOf("rgba") >= 0 ||
1472− bgColor.indexOf("opacity") >= 0)
1473− {
1474− var slideClass = this.get_class_list(slide);
1475−
1476− for (var i = 0; i < this.backgrounds.length; i++)
1477− {
1478− background = this.backgrounds[i];
1479−
1480− var bgClass = this.get_class_list(background);
1481−
1482− if (this.matching_background(slideClass, bgClass))
1483− this.remove_class(background, "hidden");
1484− else
1485− this.add_class(background, "hidden");
1486− }
1487− }
1488− else // forcibly hide all backgrounds
1489− this.hide_backgrounds();
1490− },
1491−
1492− hide_backgrounds: function () {
1493− for (var i = 0; i < this.backgrounds.length; i++)
1494− {
1495− background = this.backgrounds[i];
1496− this.add_class(background, "hidden");
1497− }
1498− },
1499−
1500− // compare classes for slide and background
1501− matching_background: function (slideClass, bgClass) {
1502− var i, count, pattern, result;
1503−
1504− // define pattern as regular expression
1505− pattern = /\w+/g;
1506−
1507− // check background class names
1508− result = bgClass.match(pattern);
1509−
1510− for (i = count = 0; i < result.length; i++)
1511− {
1512− if (result[i] == "hidden")
1513− continue;
1514−
1515− if (result[i] == "background")
1516− continue;
1517−
1518− ++count;
1519− }
1520−
1521− if (count == 0) // default match
1522− return true;
1523−
1524− // check for matches and place result in array
1525− result = slideClass.match(pattern);
1526−
1527− // now check if desired name is present for background
1528− for (i = count = 0; i < result.length; i++)
1529− {
1530− if (result[i] == "hidden")
1531− continue;
1532−
1533− if (this.has_token(bgClass, result[i]))
1534− return true;
1535− }
1536−
1537− return false;
1538− },
1539−
1540− resized: function () {
1541− var width = 0;
1542−
1543− if ( typeof( window.innerWidth ) == 'number' )
1544− width = window.innerWidth; // Non IE browser
1545− else if (document.documentElement && document.documentElement.clientWidth)
1546− width = document.documentElement.clientWidth; // IE6
1547− else if (document.body && document.body.clientWidth)
1548− width = document.body.clientWidth; // IE4
1549−
1550− var height = 0;
1551−
1552− if ( typeof( window.innerHeight ) == 'number' )
1553− height = window.innerHeight; // Non IE browser
1554− else if (document.documentElement && document.documentElement.clientHeight)
1555− height = document.documentElement.clientHeight; // IE6
1556− else if (document.body && document.body.clientHeight)
1557− height = document.body.clientHeight; // IE4
1558−
1559− if (height && (width/height > 1.05*1024/768))
1560− {
1561− width = height * 1024.0/768;
1562− }
1563−
1564− // IE fires onresize even when only font size is changed!
1565− // so we do a check to avoid blocking < and > actions
1566− if (width != w3c_slidy.last_width || height != w3c_slidy.last_height)
1567− {
1568− if (width >= 1100)
1569− w3c_slidy.size_index = 5; // 4
1570− else if (width >= 1000)
1571− w3c_slidy.size_index = 4; // 3
1572− else if (width >= 800)
1573− w3c_slidy.size_index = 3; // 2
1574− else if (width >= 600)
1575− w3c_slidy.size_index = 2; // 1
1576− else if (width)
1577− w3c_slidy.size_index = 0;
1578−
1579− // add in font size adjustment from meta element e.g.
1580− // <meta name="font-size-adjustment" content="-2" />
1581− // useful when slides have too much content ;-)
1582−
1583− if (0 <= w3c_slidy.size_index + w3c_slidy.size_adjustment &&
1584− w3c_slidy.size_index + w3c_slidy.size_adjustment < w3c_slidy.sizes.length)
1585− w3c_slidy.size_index = w3c_slidy.size_index + w3c_slidy.size_adjustment;
1586−
1587− // enables cross browser use of relative width/height
1588− // on object elements for use with SVG and Flash media
1589− w3c_slidy.adjust_object_dimensions(width, height);
1590−
1591− if (document.body.style.fontSize != w3c_slidy.sizes[w3c_slidy.size_index])
1592− {
1593− document.body.style.fontSize = w3c_slidy.sizes[w3c_slidy.size_index];
1594− }
1595−
1596− w3c_slidy.last_width = width;
1597− w3c_slidy.last_height = height;
1598−
1599− // force reflow to work around Mozilla bug
1600− if (w3c_slidy.ns_pos)
1601− {
1602− var slide = w3c_slidy.slides[w3c_slidy.slide_number];
1603− w3c_slidy.hide_slide(slide);
1604− w3c_slidy.show_slide(slide);
1605− }
1606−
1607− // force correct positioning of toolbar
1608− w3c_slidy.refresh_toolbar(200);
1609− }
1610− },
1611−
1612− scrolled: function () {
1613− if (w3c_slidy.toolbar && !w3c_slidy.ns_pos && !w3c_slidy.ie7)
1614− {
1615− w3c_slidy.hack_offset = w3c_slidy.scroll_x_offset();
1616− // hide toolbar
1617− w3c_slidy.toolbar.style.display = "none";
1618−
1619− // make it reappear later
1620− if (w3c_slidy.scrollhack == 0 && !w3c_slidy.view_all)
1621− {
1622− setTimeout(function () {w3c_slidy.show_toolbar(); }, 1000);
1623− w3c_slidy.scrollhack = 1;
1624− }
1625− }
1626− },
1627−
1628− hide_toolbar: function () {
1629− w3c_slidy.add_class(w3c_slidy.toolbar, "hidden");
1630− window.focus();
1631− },
1632−
1633− // used to ensure IE refreshes toolbar in correct position
1634− refresh_toolbar: function (interval) {
1635− if (!w3c_slidy.ns_pos && !w3c_slidy.ie7)
1636− {
1637− w3c_slidy.hide_toolbar();
1638− setTimeout(function () {w3c_slidy.show_toolbar(); }, interval);
1639− }
1640− },
1641−
1642− // restores toolbar after short delay
1643− show_toolbar: function () {
1644− if (w3c_slidy.want_toolbar)
1645− {
1646− w3c_slidy.toolbar.style.display = "block";
1647−
1648− if (!w3c_slidy.ns_pos)
1649− {
1650− // adjust position to allow for scrolling
1651− var xoffset = w3c_slidy.scroll_x_offset();
1652− w3c_slidy.toolbar.style.left = xoffset;
1653− w3c_slidy.toolbar.style.right = xoffset;
1654−
1655− // determine vertical scroll offset
1656− //var yoffset = scrollYOffset();
1657−
1658− // bottom is doc height - window height - scroll offset
1659− //var bottom = documentHeight() - lastHeight - yoffset
1660−
1661− //if (yoffset > 0 || documentHeight() > lastHeight)
1662− // bottom += 16; // allow for height of scrollbar
1663−
1664− w3c_slidy.toolbar.style.bottom = 0; //bottom;
1665− }
1666−
1667− w3c_slidy.remove_class(w3c_slidy.toolbar, "hidden");
1668− }
1669−
1670− w3c_slidy.scrollhack = 0;
1671−
1672−
1673− // set the keyboard focus to the help link on the
1674− // toolbar to ensure that document has the focus
1675− // IE doesn't always work with window.focus()
1676− // and this hack has benefit of Enter for help
1677−
1678− try
1679− {
1680− if (!w3c_slidy.opera)
1681− w3c_slidy.help_anchor.focus();
1682− }
1683− catch (e)
1684− {
1685− }
1686− },
1687−
1688−// invoked via F key
1689− toggle_toolbar: function () {
1690− if (!w3c_slidy.view_all)
1691− {
1692− if (w3c_slidy.has_class(w3c_slidy.toolbar, "hidden"))
1693− {
1694− w3c_slidy.remove_class(w3c_slidy.toolbar, "hidden")
1695− w3c_slidy.want_toolbar = 1;
1696− }
1697− else
1698− {
1699− w3c_slidy.add_class(w3c_slidy.toolbar, "hidden")
1700− w3c_slidy.want_toolbar = 0;
1701− }
1702− }
1703− },
1704−
1705− scroll_x_offset: function () {
1706− if (window.pageXOffset)
1707− return self.pageXOffset;
1708−
1709− if (document.documentElement &&
1710− document.documentElement.scrollLeft)
1711− return document.documentElement.scrollLeft;
1712−
1713− if (document.body)
1714− return document.body.scrollLeft;
1715−
1716− return 0;
1717− },
1718−
1719− scroll_y_offset: function () {
1720− if (window.pageYOffset)
1721− return self.pageYOffset;
1722−
1723− if (document.documentElement &&
1724− document.documentElement.scrollTop)
1725− return document.documentElement.scrollTop;
1726−
1727− if (document.body)
1728− return document.body.scrollTop;
1729−
1730− return 0;
1731− },
1732−
1733− // looking for a way to determine height of slide content
1734− // the slide itself is set to the height of the window
1735− optimize_font_size: function () {
1736− var slide = w3c_slidy.slides[w3c_slidy.slide_number];
1737−
1738− //var dh = documentHeight(); //getDocHeight(document);
1739− var dh = slide.scrollHeight;
1740− var wh = getWindowHeight();
1741− var u = 100 * dh / wh;
1742−
1743− alert("window utilization = " + u + "% (doc "
1744− + dh + " win " + wh + ")");
1745− },
1746−
1747− // from document object
1748− get_doc_height: function (doc) {
1749− if (!doc)
1750− doc = document;
1751−
1752− if (doc && doc.body && doc.body.offsetHeight)
1753− return doc.body.offsetHeight; // ns/gecko syntax
1754−
1755− if (doc && doc.body && doc.body.scrollHeight)
1756− return doc.body.scrollHeight;
1757−
1758− alert("couldn't determine document height");
1759− },
1760−
1761− get_window_height: function () {
1762− if ( typeof( window.innerHeight ) == 'number' )
1763− return window.innerHeight; // Non IE browser
1764−
1765− if (document.documentElement && document.documentElement.clientHeight)
1766− return document.documentElement.clientHeight; // IE6
1767−
1768− if (document.body && document.body.clientHeight)
1769− return document.body.clientHeight; // IE4
1770− },
1771−
1772− document_height: function () {
1773− var sh, oh;
1774−
1775− sh = document.body.scrollHeight;
1776− oh = document.body.offsetHeight;
1777−
1778− if (sh && oh)
1779− {
1780− return (sh > oh ? sh : oh);
1781− }
1782−
1783− // no idea!
1784− return 0;
1785− },
1786−
1787− smaller: function () {
1788− if (w3c_slidy.size_index > 0)
1789− {
1790− --w3c_slidy.size_index;
1791− }
1792−
1793− w3c_slidy.toolbar.style.display = "none";
1794− document.body.style.fontSize = w3c_slidy.sizes[w3c_slidy.size_index];
1795− var slide = w3c_slidy.slides[w3c_slidy.slide_number];
1796− w3c_slidy.hide_slide(slide);
1797− w3c_slidy.show_slide(slide);
1798− setTimeout(function () {w3c_slidy.show_toolbar(); }, 50);
1799− },
1800−
1801− bigger: function () {
1802− if (w3c_slidy.size_index < w3c_slidy.sizes.length - 1)
1803− {
1804− ++w3c_slidy.size_index;
1805− }
1806−
1807− w3c_slidy.toolbar.style.display = "none";
1808− document.body.style.fontSize = w3c_slidy.sizes[w3c_slidy.size_index];
1809− var slide = w3c_slidy.slides[w3c_slidy.slide_number];
1810− w3c_slidy.hide_slide(slide);
1811− w3c_slidy.show_slide(slide);
1812− setTimeout(function () {w3c_slidy.show_toolbar(); }, 50);
1813− },
1814−
1815− // enables cross browser use of relative width/height
1816− // on object elements for use with SVG and Flash media
1817− // with thanks to Ivan Herman for the suggestion
1818− adjust_object_dimensions: function (width, height) {
1819− for( var i = 0; i < w3c_slidy.objects.length; i++ )
1820− {
1821− var obj = this.objects[i];
1822− var mimeType = obj.getAttribute("type");
1823−
1824− if (mimeType == "image/svg+xml" || mimeType == "application/x-shockwave-flash")
1825− {
1826− if ( !obj.initialWidth )
1827− obj.initialWidth = obj.getAttribute("width");
1828−
1829− if ( !obj.initialHeight )
1830− obj.initialHeight = obj.getAttribute("height");
1831−
1832− if ( obj.initialWidth && obj.initialWidth.charAt(obj.initialWidth.length-1) == "%" )
1833− {
1834− var w = parseInt(obj.initialWidth.slice(0, obj.initialWidth.length-1));
1835− var newW = width * (w/100.0);
1836− obj.setAttribute("width",newW);
1837− }
1838−
1839− if ( obj.initialHeight &&
1840− obj.initialHeight.charAt(obj.initialHeight.length-1) == "%" )
1841− {
1842− var h = parseInt(obj.initialHeight.slice(0, obj.initialHeight.length-1));
1843− var newH = height * (h/100.0);
1844− obj.setAttribute("height", newH);
1845− }
1846− }
1847− }
1848− },
1849−
1850− // needed for Opera to inhibit default behavior
1851− // since Opera delivers keyPress even if keyDown
1852− // was cancelled
1853− key_press: function (event) {
1854− if (!event)
1855− event = window.event;
1856−
1857− if (!w3c_slidy.key_wanted)
1858− return w3c_slidy.cancel(event);
1859−
1860− return true;
1861− },
1862−
1863− // See e.g. http://www.quirksmode.org/js/events/keys.html for keycodes
1864− key_down: function (event) {
1865− var key, target, tag;
1866−
1867− w3c_slidy.key_wanted = true;
1868−
1869− if (!event)
1870− event = window.event;
1871−
1872− // kludge around NS/IE differences
1873− if (window.event)
1874− {
1875− key = window.event.keyCode;
1876− target = window.event.srcElement;
1877− }
1878− else if (event.which)
1879− {
1880− key = event.which;
1881− target = event.target;
1882− }
1883− else
1884− return true; // Yikes! unknown browser
1885−
1886− // ignore event if key value is zero
1887− // as for alt on Opera and Konqueror
1888− if (!key)
1889− return true;
1890−
1891− // avoid interfering with keystroke
1892− // behavior for non-slidy chrome elements
1893− if (!w3c_slidy.slidy_chrome(target) &&
1894− w3c_slidy.special_element(target))
1895− return true;
1896−
1897− // check for concurrent control/command/alt key
1898− // but are these only present on mouse events?
1899−
1900− if (event.ctrlKey || event.altKey || event.metaKey)
1901− return true;
1902−
1903− // dismiss table of contents if visible
1904− if (w3c_slidy.is_shown_toc() && key != 9 && key != 16 && key != 38 && key != 40)
1905− {
1906− w3c_slidy.hide_table_of_contents(true);
1907−
1908− if (key == 27 || key == 84 || key == 67)
1909− return w3c_slidy.cancel(event);
1910− }
1911−
1912− if (key == 34) // Page Down
1913− {
1914− if (w3c_slidy.view_all)
1915− return true;
1916−
1917− w3c_slidy.next_slide(false);
1918− return w3c_slidy.cancel(event);
1919− }
1920− else if (key == 33) // Page Up
1921− {
1922− if (w3c_slidy.view_all)
1923− return true;
1924−
1925− w3c_slidy.previous_slide(false);
1926− return w3c_slidy.cancel(event);
1927− }
1928− else if (key == 32) // space bar
1929− {
1930− w3c_slidy.next_slide(true);
1931− return w3c_slidy.cancel(event);
1932− }
1933− else if (key == 37) // Left arrow
1934− {
1935− w3c_slidy.previous_slide(!event.shiftKey);
1936− return w3c_slidy.cancel(event);
1937− }
1938− else if (key == 36) // Home
1939− {
1940− w3c_slidy.first_slide();
1941− return w3c_slidy.cancel(event);
1942− }
1943− else if (key == 35) // End
1944− {
1945− w3c_slidy.last_slide();
1946− return w3c_slidy.cancel(event);
1947− }
1948− else if (key == 39) // Right arrow
1949− {
1950− w3c_slidy.next_slide(!event.shiftKey);
1951− return w3c_slidy.cancel(event);
1952− }
1953− else if (key == 13) // Enter
1954− {
1955− if (w3c_slidy.outline)
1956− {
1957− if (w3c_slidy.outline.visible)
1958− w3c_slidy.fold(w3c_slidy.outline);
1959− else
1960− w3c_slidy.unfold(w3c_slidy.outline);
1961−
1962− return w3c_slidy.cancel(event);
1963− }
1964− }
1965− else if (key == 188) // < for smaller fonts
1966− {
1967− w3c_slidy.smaller();
1968− return w3c_slidy.cancel(event);
1969− }
1970− else if (key == 190) // > for larger fonts
1971− {
1972− w3c_slidy.bigger();
1973− return w3c_slidy.cancel(event);
1974− }
1975− else if (key == 189 || key == 109) // - for smaller fonts
1976− {
1977− w3c_slidy.smaller();
1978− return w3c_slidy.cancel(event);
1979− }
1980− else if (key == 187 || key == 191 || key == 107) // = + for larger fonts
1981− {
1982− w3c_slidy.bigger();
1983− return w3c_slidy.cancel(event);
1984− }
1985− else if (key == 83) // S for smaller fonts
1986− {
1987− w3c_slidy.smaller();
1988− return w3c_slidy.cancel(event);
1989− }
1990− else if (key == 66) // B for larger fonts
1991− {
1992− w3c_slidy.bigger();
1993− return w3c_slidy.cancel(event);
1994− }
1995− else if (key == 90) // Z for last slide
1996− {
1997− w3c_slidy.last_slide();
1998− return w3c_slidy.cancel(event);
1999− }
2000− else if (key == 70) // F for toggle toolbar
2001− {
2002− w3c_slidy.toggle_toolbar();
2003− return w3c_slidy.cancel(event);
2004− }
2005− else if (key == 65) // A for toggle view single/all slides
2006− {
2007− w3c_slidy.toggle_view();
2008− return w3c_slidy.cancel(event);
2009− }
2010− else if (key == 75) // toggle action of left click for next page
2011− {
2012− w3c_slidy.mouse_click_enabled = !w3c_slidy.mouse_click_enabled;
2013− var alert_msg = (w3c_slidy.mouse_click_enabled ?
2014− "enabled" : "disabled") + " mouse click advance";
2015−
2016− alert(w3c_slidy.localize(alert_msg));
2017− return w3c_slidy.cancel(event);
2018− }
2019− else if (key == 84 || key == 67) // T or C for table of contents
2020− {
2021− if (w3c_slidy.toc)
2022− w3c_slidy.toggle_table_of_contents();
2023−
2024− return w3c_slidy.cancel(event);
2025− }
2026− else if (key == 72) // H for help
2027− {
2028− window.location = w3c_slidy.help_page;
2029− return w3c_slidy.cancel(event);
2030− }
2031− //else alert("key code is "+ key);
2032−
2033− return true;
2034− },
2035−
2036− // safe for both text/html and application/xhtml+xml
2037− create_element: function (name) {
2038− if (this.xhtml && (typeof document.createElementNS != 'undefined'))
2039− return document.createElementNS("http://www.w3.org/1999/xhtml", name)
2040−
2041− return document.createElement(name);
2042− },
2043−
2044− get_element_style: function (elem, IEStyleProp, CSSStyleProp) {
2045− if (elem.currentStyle)
2046− {
2047− return elem.currentStyle[IEStyleProp];
2048− }
2049− else if (window.getComputedStyle)
2050− {
2051− var compStyle = window.getComputedStyle(elem, "");
2052− return compStyle.getPropertyValue(CSSStyleProp);
2053− }
2054− return "";
2055− },
2056−
2057− // the string str is a whitespace separated list of tokens
2058− // test if str contains a particular token, e.g. "slide"
2059− has_token: function (str, token) {
2060− if (str)
2061− {
2062− // define pattern as regular expression
2063− var pattern = /\w+/g;
2064−
2065− // check for matches
2066− // place result in array
2067− var result = str.match(pattern);
2068−
2069− // now check if desired token is present
2070− for (var i = 0; i < result.length; i++)
2071− {
2072− if (result[i] == token)
2073− return true;
2074− }
2075− }
2076−
2077− return false;
2078− },
2079−
2080− get_class_list: function (element) {
2081− if (typeof element.className != 'undefined')
2082− return element.className;
2083−
2084− return element.getAttribute("class");
2085− },
2086−
2087− has_class: function (element, name) {
2088− if (element.nodeType != 1)
2089− return false;
2090−
2091− var regexp = new RegExp("(^| )" + name + "\W*");
2092−
2093− if (typeof element.className != 'undefined')
2094− return regexp.test(element.className);
2095−
2096− return regexp.test(element.getAttribute("class"));
2097− },
2098−
2099− remove_class: function (element, name) {
2100− var regexp = new RegExp("(^| )" + name + "\W*");
2101− var clsval = "";
2102−
2103− if (typeof element.className != 'undefined')
2104− {
2105− clsval = element.className;
2106−
2107− if (clsval)
2108− {
2109− clsval = clsval.replace(regexp, "");
2110− element.className = clsval;
2111− }
2112− }
2113− else
2114− {
2115− clsval = element.getAttribute("class");
2116−
2117− if (clsval)
2118− {
2119− clsval = clsval.replace(regexp, "");
2120− element.setAttribute("class", clsval);
2121− }
2122− }
2123− },
2124−
2125− add_class: function (element, name) {
2126− if (!this.has_class(element, name))
2127− {
2128− if (typeof element.className != 'undefined')
2129− element.className += " " + name;
2130− else
2131− {
2132− var clsval = element.getAttribute("class");
2133− clsval = clsval ? clsval + " " + name : name;
2134− element.setAttribute("class", clsval);
2135− }
2136− }
2137− },
2138−
2139− // HTML elements that can be used with class="incremental"
2140− // note that you can also put the class on containers like
2141− // up, ol, dl, and div to make their contents appear
2142− // incrementally. Upper case is used since this is what
2143− // browsers report for HTML node names (text/html).
2144− incremental_elements: null,
2145− okay_for_incremental: function (name) {
2146− if (!this.incremental_elements)
2147− {
2148− var inclist = new Array();
2149− inclist["p"] = true;
2150− inclist["pre"] = true;
2151− inclist["li"] = true;
2152− inclist["blockquote"] = true;
2153− inclist["dt"] = true;
2154− inclist["dd"] = true;
2155− inclist["h2"] = true;
2156− inclist["h3"] = true;
2157− inclist["h4"] = true;
2158− inclist["h5"] = true;
2159− inclist["h6"] = true;
2160− inclist["span"] = true;
2161− inclist["address"] = true;
2162− inclist["table"] = true;
2163− inclist["tr"] = true;
2164− inclist["th"] = true;
2165− inclist["td"] = true;
2166− inclist["img"] = true;
2167− inclist["object"] = true;
2168− this.incremental_elements = inclist;
2169− }
2170− return this.incremental_elements[name.toLowerCase()];
2171− },
2172−
2173− next_incremental_item: function (node) {
2174− var br = this.is_xhtml ? "br" : "BR";
2175− var slide = w3c_slidy.slides[w3c_slidy.slide_number];
2176−
2177− for (;;)
2178− {
2179− node = w3c_slidy.next_node(slide, node);
2180−
2181− if (node == null || node.parentNode == null)
2182− break;
2183−
2184− if (node.nodeType == 1) // ELEMENT
2185− {
2186− if (node.nodeName == br)
2187− continue;
2188−
2189− if (w3c_slidy.has_class(node, "incremental")
2190− && w3c_slidy.okay_for_incremental(node.nodeName))
2191− return node;
2192−
2193− if (w3c_slidy.has_class(node.parentNode, "incremental")
2194− && !w3c_slidy.has_class(node, "non-incremental"))
2195− return node;
2196− }
2197− }
2198−
2199− return node;
2200− },
2201−
2202− previous_incremental_item: function (node) {
2203− var br = this.is_xhtml ? "br" : "BR";
2204− var slide = w3c_slidy.slides[w3c_slidy.slide_number];
2205−
2206− for (;;)
2207− {
2208− node = w3c_slidy.previous_node(slide, node);
2209−
2210− if (node == null || node.parentNode == null)
2211− break;
2212−
2213− if (node.nodeType == 1)
2214− {
2215− if (node.nodeName == br)
2216− continue;
2217−
2218− if (w3c_slidy.has_class(node, "incremental")
2219− && w3c_slidy.okay_for_incremental(node.nodeName))
2220− return node;
2221−
2222− if (w3c_slidy.has_class(node.parentNode, "incremental")
2223− && !w3c_slidy.has_class(node, "non-incremental"))
2224− return node;
2225− }
2226− }
2227−
2228− return node;
2229− },
2230−
2231− // set visibility for all elements on current slide with
2232− // a parent element with attribute class="incremental"
2233− set_visibility_all_incremental: function (value) {
2234− var node = this.next_incremental_item(null);
2235−
2236− if (value == "hidden")
2237− {
2238− while (node)
2239− {
2240− w3c_slidy.add_class(node, "invisible");
2241− node = w3c_slidy.next_incremental_item(node);
2242− }
2243− }
2244− else // value == "visible"
2245− {
2246− while (node)
2247− {
2248− w3c_slidy.remove_class(node, "invisible");
2249− node = w3c_slidy.next_incremental_item(node);
2250− }
2251− }
2252− },
2253−
2254− // reveal the next hidden item on the slide
2255− // node is null or the node that was last revealed
2256− reveal_next_item: function (node) {
2257− node = w3c_slidy.next_incremental_item(node);
2258−
2259− if (node && node.nodeType == 1) // an element
2260− w3c_slidy.remove_class(node, "invisible");
2261−
2262− return node;
2263− },
2264−
2265− // exact inverse of revealNextItem(node)
2266− hide_previous_item: function (node) {
2267− if (node && node.nodeType == 1) // an element
2268− w3c_slidy.add_class(node, "invisible");
2269−
2270− return this.previous_incremental_item(node);
2271− },
2272−
2273− // left to right traversal of root's content
2274− next_node: function (root, node) {
2275− if (node == null)
2276− return root.firstChild;
2277−
2278− if (node.firstChild)
2279− return node.firstChild;
2280−
2281− if (node.nextSibling)
2282− return node.nextSibling;
2283−
2284− for (;;)
2285− {
2286− node = node.parentNode;
2287−
2288− if (!node || node == root)
2289− break;
2290−
2291− if (node && node.nextSibling)
2292− return node.nextSibling;
2293− }
2294−
2295− return null;
2296− },
2297−
2298− // right to left traversal of root's content
2299− previous_node: function (root, node) {
2300− if (node == null)
2301− {
2302− node = root.lastChild;
2303−
2304− if (node)
2305− {
2306− while (node.lastChild)
2307− node = node.lastChild;
2308− }
2309−
2310− return node;
2311− }
2312−
2313− if (node.previousSibling)
2314− {
2315− node = node.previousSibling;
2316−
2317− while (node.lastChild)
2318− node = node.lastChild;
2319−
2320− return node;
2321− }
2322−
2323− if (node.parentNode != root)
2324− return node.parentNode;
2325−
2326− return null;
2327− },
2328−
2329− previous_sibling_element: function (el) {
2330− el = el.previousSibling;
2331−
2332− while (el && el.nodeType != 1)
2333− el = el.previousSibling;
2334−
2335− return el;
2336− },
2337−
2338− next_sibling_element: function (el) {
2339− el = el.nextSibling;
2340−
2341− while (el && el.nodeType != 1)
2342− el = el.nextSibling;
2343−
2344− return el;
2345− },
2346−
2347− first_child_element: function (el) {
2348− var node;
2349−
2350− for (node = el.firstChild; node; node = node.nextSibling)
2351− {
2352− if (node.nodeType == 1)
2353− break;
2354− }
2355−
2356− return node;
2357− },
2358−
2359− first_tag: function (element, tag) {
2360− var node;
2361−
2362− if (!this.is_xhtml)
2363− tag = tag.toUpperCase();
2364−
2365− for (node = element.firstChild; node; node = node.nextSibling)
2366− {
2367− if (node.nodeType == 1 && node.nodeName == tag)
2368− break;
2369− }
2370−
2371− return node;
2372− },
2373−
2374− hide_selection: function () {
2375− if (window.getSelection) // Firefox, Chromium, Safari, Opera
2376− {
2377− var selection = window.getSelection();
2378−
2379− if (selection.rangeCount > 0)
2380− {
2381− var range = selection.getRangeAt(0);
2382− range.collapse (false);
2383− }
2384− }
2385− else // Internet Explorer
2386− {
2387− var textRange = document.selection.createRange ();
2388− textRange.collapse (false);
2389− }
2390− },
2391−
2392− get_selected_text: function () {
2393− try
2394− {
2395− if (window.getSelection)
2396− return window.getSelection().toString();
2397−
2398− if (document.getSelection)
2399− return document.getSelection().toString();
2400−
2401− if (document.selection)
2402− return document.selection.createRange().text;
2403− }
2404− catch (e)
2405− {
2406− }
2407−
2408− return "";
2409− },
2410−
2411− // make note of length of selected text
2412− // as this evaluates to zero in click event
2413− mouse_button_up: function (e) {
2414− w3c_slidy.selected_text_len = w3c_slidy.get_selected_text().length;
2415− },
2416−
2417− // right mouse button click is reserved for context menus
2418− // it is more reliable to detect rightclick than leftclick
2419− mouse_button_click: function (e) {
2420− var rightclick = false;
2421− var leftclick = false;
2422− var middleclick = false;
2423− var target;
2424−
2425− if (!e)
2426− var e = window.event;
2427−
2428− if (e.target)
2429− target = e.target;
2430− else if (e.srcElement)
2431− target = e.srcElement;
2432−
2433− // work around Safari bug
2434− if (target.nodeType == 3)
2435− target = target.parentNode;
2436−
2437− if (e.which) // all browsers except IE
2438− {
2439− leftclick = (e.which == 1);
2440− middleclick = (e.which == 2);
2441− rightclick = (e.which == 3);
2442− }
2443− else if (e.button)
2444− {
2445− // Konqueror gives 1 for left, 4 for middle
2446− // IE6 gives 0 for left and not 1 as I expected
2447−
2448− if (e.button == 4)
2449− middleclick = true;
2450−
2451− // all browsers agree on 2 for right button
2452− rightclick = (e.button == 2);
2453− }
2454− else
2455− leftclick = true;
2456−
2457− if (w3c_slidy.selected_text_len > 0)
2458− {
2459− w3c_slidy.stop_propagation(e);
2460− e.cancel = true;
2461− e.returnValue = false;
2462− return false;
2463− }
2464−
2465− // dismiss table of contents
2466− w3c_slidy.hide_table_of_contents(false);
2467−
2468− // check if target is something that probably want's clicks
2469− // e.g. a, embed, object, input, textarea, select, option
2470− var tag = target.nodeName.toLowerCase();
2471−
2472− if (w3c_slidy.mouse_click_enabled && leftclick &&
2473− !w3c_slidy.special_element(target) &&
2474− !target.onclick)
2475− {
2476− w3c_slidy.next_slide(true);
2477− w3c_slidy.stop_propagation(e);
2478− e.cancel = true;
2479− e.returnValue = false;
2480− return false;
2481− }
2482−
2483− return true;
2484− },
2485−
2486− special_element: function (e) {
2487− var tag = e.nodeName.toLowerCase();
2488−
2489− return e.onkeydown ||
2490− e.onclick ||
2491− tag == "a" ||
2492− tag == "embed" ||
2493− tag == "object" ||
2494− tag == "video" ||
2495− tag == "audio" ||
2496− tag == "input" ||
2497− tag == "textarea" ||
2498− tag == "select" ||
2499− tag == "option";
2500− },
2501−
2502− slidy_chrome: function (el) {
2503− while (el)
2504− {
2505− if (el == w3c_slidy.toc ||
2506− el == w3c_slidy.toolbar ||
2507− w3c_slidy.has_class(el, "outline"))
2508− return true;
2509−
2510− el = el.parentNode;
2511− }
2512−
2513− return false;
2514− },
2515−
2516− get_key: function (e)
2517− {
2518− var key;
2519−
2520− // kludge around NS/IE differences
2521− if (typeof window.event != "undefined")
2522− key = window.event.keyCode;
2523− else if (e.which)
2524− key = e.which;
2525−
2526− return key;
2527− },
2528−
2529− get_target: function (e) {
2530− var target;
2531−
2532− if (!e)
2533− e = window.event;
2534−
2535− if (e.target)
2536− target = e.target;
2537− else if (e.srcElement)
2538− target = e.srcElement;
2539−
2540− if (target.nodeType != 1)
2541− target = target.parentNode;
2542−
2543− return target;
2544− },
2545−
2546− // does display property provide correct defaults?
2547− is_block: function (elem) {
2548− var tag = elem.nodeName.toLowerCase();
2549−
2550− return tag == "ol" || tag == "ul" || tag == "p" ||
2551− tag == "li" || tag == "table" || tag == "pre" ||
2552− tag == "h1" || tag == "h2" || tag == "h3" ||
2553− tag == "h4" || tag == "h5" || tag == "h6" ||
2554− tag == "blockquote" || tag == "address";
2555− },
2556−
2557− add_listener: function (element, event, handler) {
2558− if (window.addEventListener)
2559− element.addEventListener(event, handler, false);
2560− else
2561− element.attachEvent("on"+event, handler);
2562− },
2563−
2564− // used to prevent event propagation from field controls
2565− stop_propagation: function (event) {
2566− event = event ? event : window.event;
2567− event.cancelBubble = true; // for IE
2568−
2569− if (event.stopPropagation)
2570− event.stopPropagation();
2571−
2572− return true;
2573− },
2574−
2575− cancel: function (event) {
2576− if (event)
2577− {
2578− event.cancel = true;
2579− event.returnValue = false;
2580−
2581− if (event.preventDefault)
2582− event.preventDefault();
2583− }
2584−
2585− w3c_slidy.key_wanted = false;
2586− return false;
2587− },
2588−
2589−// for each language define an associative array
2590−// and also the help text which is longer
2591−
2592− strings_es: {
2593− "slide":"pág.",
2594− "help?":"Ayuda",
2595− "contents?":"Índice",
2596− "table of contents":"tabla de contenidos",
2597− "Table of Contents":"Tabla de Contenidos",
2598− "restart presentation":"Reiniciar presentación",
2599− "restart?":"Inicio"
2600− },
2601− help_es:
2602− "Utilice el ratón, barra espaciadora, teclas Izda/Dcha, " +
2603− "o Re pág y Av pág. Use S y B para cambiar el tamaño de fuente.",
2604−
2605− strings_ca: {
2606− "slide":"pàg..",
2607− "help?":"Ajuda",
2608− "contents?":"Índex",
2609− "table of contents":"taula de continguts",
2610− "Table of Contents":"Taula de Continguts",
2611− "restart presentation":"Reiniciar presentació",
2612− "restart?":"Inici"
2613− },
2614− help_ca:
2615− "Utilitzi el ratolí, barra espaiadora, tecles Esq./Dta. " +
2616− "o Re pàg y Av pàg. Usi S i B per canviar grandària de font.",
2617−
2618− strings_cs: {
2619− "slide":"snímek",
2620− "help?":"nápověda",
2621− "contents?":"obsah",
2622− "table of contents":"obsah prezentace",
2623− "Table of Contents":"Obsah prezentace",
2624− "restart presentation":"znovu spustit prezentaci",
2625− "restart?":"restart"
2626− },
2627− help_cs:
2628− "Prezentaci můžete procházet pomocí kliknutí myši, mezerníku, " +
2629− "šipek vlevo a vpravo nebo kláves PageUp a PageDown. Písmo se " +
2630− "dá zvětšit a zmenšit pomocí kláves B a S.",
2631−
2632− strings_nl: {
2633− "slide":"pagina",
2634− "help?":"Help?",
2635− "contents?":"Inhoud?",
2636− "table of contents":"inhoudsopgave",
2637− "Table of Contents":"Inhoudsopgave",
2638− "restart presentation":"herstart presentatie",
2639− "restart?":"Herstart?"
2640− },
2641− help_nl:
2642− "Navigeer d.m.v. het muis, spatiebar, Links/Rechts toetsen, " +
2643− "of PgUp en PgDn. Gebruik S en B om de karaktergrootte te veranderen.",
2644−
2645− strings_de: {
2646− "slide":"Seite",
2647− "help?":"Hilfe",
2648− "contents?":"Übersicht",
2649− "table of contents":"Inhaltsverzeichnis",
2650− "Table of Contents":"Inhaltsverzeichnis",
2651− "restart presentation":"Präsentation neu starten",
2652− "restart?":"Neustart"
2653− },
2654− help_de:
2655− "Benutzen Sie die Maus, Leerschlag, die Cursortasten links/rechts oder " +
2656− "Page up/Page Down zum Wechseln der Seiten und S und B für die Schriftgrösse.",
2657−
2658− strings_pl: {
2659− "slide":"slajd",
2660− "help?":"pomoc?",
2661− "contents?":"spis treści?",
2662− "table of contents":"spis treści",
2663− "Table of Contents":"Spis Treści",
2664− "restart presentation":"Restartuj prezentację",
2665− "restart?":"restart?"
2666− },
2667− help_pl:
2668− "Zmieniaj slajdy klikając myszą, naciskając spację, strzałki lewo/prawo" +
2669− "lub PgUp / PgDn. Użyj klawiszy S i B, aby zmienić rozmiar czczionki.",
2670−
2671− strings_fr: {
2672− "slide":"page",
2673− "help?":"Aide",
2674− "contents?":"Index",
2675− "table of contents":"table des matières",
2676− "Table of Contents":"Table des matières",
2677− "restart presentation":"Recommencer l'exposé",
2678− "restart?":"Début"
2679− },
2680− help_fr:
2681− "Naviguez avec la souris, la barre d'espace, les flèches " +
2682− "gauche/droite ou les touches Pg Up, Pg Dn. Utilisez " +
2683− "les touches S et B pour modifier la taille de la police.",
2684−
2685− strings_hu: {
2686− "slide":"oldal",
2687− "help?":"segítség",
2688− "contents?":"tartalom",
2689− "table of contents":"tartalomjegyzék",
2690− "Table of Contents":"Tartalomjegyzék",
2691− "restart presentation":"bemutató újraindítása",
2692− "restart?":"újraindítás"
2693− },
2694− help_hu:
2695− "Az oldalak közti lépkedéshez kattintson az egérrel, vagy " +
2696− "használja a szóköz, a bal, vagy a jobb nyíl, illetve a Page Down, " +
2697− "Page Up billentyűket. Az S és a B billentyűkkel változtathatja " +
2698− "a szöveg méretét.",
2699−
2700− strings_it: {
2701− "slide":"pag.",
2702− "help?":"Aiuto",
2703− "contents?":"Indice",
2704− "table of contents":"indice",
2705− "Table of Contents":"Indice",
2706− "restart presentation":"Ricominciare la presentazione",
2707− "restart?":"Inizio"
2708− },
2709− help_it:
2710− "Navigare con mouse, barra spazio, frecce sinistra/destra o " +
2711− "PgUp e PgDn. Usare S e B per cambiare la dimensione dei caratteri.",
2712−
2713− strings_el: {
2714− "slide":"σελίδα",
2715− "help?":"βοήθεια;",
2716− "contents?":"περιεχόμενα;",
2717− "table of contents":"πίνακας περιεχομένων",
2718− "Table of Contents":"Πίνακας Περιεχομένων",
2719− "restart presentation":"επανεκκίνηση παρουσίασης",
2720− "restart?":"επανεκκίνηση;"
2721− },
2722− help_el:
2723− "Πλοηγηθείτε με το κλίκ του ποντικιού, το space, τα βέλη αριστερά/δεξιά, " +
2724− "ή Page Up και Page Down. Χρησιμοποιήστε τα πλήκτρα S και B για να αλλάξετε " +
2725− "το μέγεθος της γραμματοσειράς.",
2726−
2727− strings_ja: {
2728− "slide":"スライド",
2729− "help?":"ヘルプ",
2730− "contents?":"目次",
2731− "table of contents":"目次を表示",
2732− "Table of Contents":"目次",
2733− "restart presentation":"最初から再生",
2734− "restart?":"最初から"
2735− },
2736− help_ja:
2737− "マウス左クリック ・ スペース ・ 左右キー " +
2738− "または Page Up ・ Page Downで操作， S ・ Bでフォントサイズ変更",
2739−
2740− strings_zh: {
2741− "slide":"幻灯片",
2742− "help?":"帮助?",
2743− "contents?":"内容?",
2744− "table of contents":"目录",
2745− "Table of Contents":"目录",
2746− "restart presentation":"重新启动展示",
2747− "restart?":"重新启动?"
2748− },
2749− help_zh:
2750− "用鼠标点击, 空格条, 左右箭头, Pg Up 和 Pg Dn 导航. " +
2751− "用 S, B 改变字体大小.",
2752−
2753− strings_ru: {
2754− "slide":"слайд",
2755− "help?":"помощь?",
2756− "contents?":"содержание?",
2757− "table of contents":"оглавление",
2758− "Table of Contents":"Оглавление",
2759− "restart presentation":"перезапустить презентацию",
2760− "restart?":"перезапуск?"
2761− },
2762− help_ru:
2763− "Перемещайтесь кликая мышкой, используя клавишу пробел, стрелки" +
2764− "влево/вправо или Pg Up и Pg Dn. Клавиши S и B меняют размер шрифта.",
2765−
2766− strings_sv: {
2767− "slide":"sida",
2768− "help?":"hjälp",
2769− "contents?":"innehåll",
2770− "table of contents":"innehållsförteckning",
2771− "Table of Contents":"Innehållsförteckning",
2772− "restart presentation":"visa presentationen från början",
2773− "restart?":"börja om"
2774− },
2775− help_sv:
2776− "Bläddra med ett klick med vänstra musknappen, mellanslagstangenten, " +
2777− "vänster- och högerpiltangenterna eller tangenterna Pg Up, Pg Dn. " +
2778− "Använd tangenterna S och B för att ändra textens storlek.",
2779−
2780− strings: { },
2781−
2782− localize: function (src) {
2783− if (src == "")
2784− return src;
2785−
2786− // try full language code, e.g. en-US
2787− var s, lookup = w3c_slidy.strings[w3c_slidy.lang];
2788−
2789− if (lookup)
2790− {
2791− s = lookup[src];
2792−
2793− if (s)
2794− return s;
2795− }
2796−
2797− // strip country code suffix, e.g.
2798− // try en if undefined for en-US
2799− var lg = w3c_slidy.lang.split("-");
2800−
2801− if (lg.length > 1)
2802− {
2803− lookup = w3c_slidy.strings[lg[0]];
2804−
2805− if (lookup)
2806− {
2807− s = lookup[src];
2808−
2809− if (s)
2810− return s;
2811− }
2812− }
2813−
2814− // otherwise string as is
2815− return src;
2816− },
2817−
2818− init_localization: function () {
2819− var i18n = w3c_slidy;
2820− var help_text = w3c_slidy.help_text;
2821−
2822− // each such language array is declared in the localize array
2823− // this is used as in w3c_slidy.localize("foo");
2824− this.strings = {
2825− "es":this.strings_es,
2826− "ca":this.strings_ca,
2827− "cs":this.strings_cs,
2828− "nl":this.strings_nl,
2829− "de":this.strings_de,
2830− "pl":this.strings_pl,
2831− "fr":this.strings_fr,
2832− "hu":this.strings_hu,
2833− "it":this.strings_it,
2834− "el":this.strings_el,
2835− "jp":this.strings_ja,
2836− "zh":this.strings_zh,
2837− "ru":this.strings_ru,
2838− "sv":this.strings_sv
2839− },
2840−
2841− i18n.strings_es[help_text] = i18n.help_es;
2842− i18n.strings_ca[help_text] = i18n.help_ca;
2843− i18n.strings_cs[help_text] = i18n.help_cs;
2844− i18n.strings_nl[help_text] = i18n.help_nl;
2845− i18n.strings_de[help_text] = i18n.help_de;
2846− i18n.strings_pl[help_text] = i18n.help_pl;
2847− i18n.strings_fr[help_text] = i18n.help_fr;
2848− i18n.strings_hu[help_text] = i18n.help_hu;
2849− i18n.strings_it[help_text] = i18n.help_it;
2850− i18n.strings_el[help_text] = i18n.help_el;
2851− i18n.strings_ja[help_text] = i18n.help_ja;
2852− i18n.strings_zh[help_text] = i18n.help_zh;
2853− i18n.strings_ru[help_text] = i18n.help_ru;
2854− i18n.strings_sv[help_text] = i18n.help_sv;
2855−
2856− w3c_slidy.lang = document.body.parentNode.getAttribute("lang");
2857−
2858− if (!w3c_slidy.lang)
2859− w3c_slidy.lang = document.body.parentNode.getAttribute("xml:lang");
2860−
2861− if (!w3c_slidy.lang)
2862− w3c_slidy.lang = "en";
2863− }
2864−};
2865−
2866−// hack for back button behavior
2867−if (w3c_slidy.ie6 || w3c_slidy.ie7)
2868−{
2869− document.write("<iframe id='historyFrame' " +
2870− "src='javascript:\"<html"+"></"+"html>\"' " +
2871− "height='1' width='1' " +
2872− "style='position:absolute;left:-800px'></iframe>");
2873−}
2874−
2875−// attach event listeners for initialization
2876−w3c_slidy.set_up();
2877−
2878−// hide the slides as soon as body element is available
2879−// to reduce annoying screen mess before the onload event
2880−setTimeout(w3c_slidy.hide_slides, 50);
28811
2+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")
3+window.addEventListener("load",init,false);else
4+window.attachEvent("onload",init);},hide_slides:function(){if(document.body&&!w3c_slidy.initialized)
5+document.body.style.visibility="hidden";else
6+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)
7+{var slide=this.slides[this.slide_number];if(this.slide_number>0)
8+{this.set_visibility_all_incremental("visible");this.last_shown=this.previous_incremental_item(null);this.set_eos_status(true);}
9+else
10+{this.last_shown=null;this.set_visibility_all_incremental("hidden");this.set_eos_status(!this.next_incremental_item(this.last_shown));}
11+this.set_location();this.add_class(this.slides[0],"first-slide");w3c_slidy.show_slide(slide);}
12+this.toc=this.table_of_contents();this.add_initial_prompt();if(!this.keyboardless)
13+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)
14+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)
15+{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)
16+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)
17+previous.next=a;toc.appendChild(a);if(i==0)
18+toc.first=a;if(i<this.slides.length-1)
19+{var br=this.create_element("br");toc.appendChild(br);}
20+previous=a;}
21+toc.focus=function(){if(this.first)
22+this.first.focus();}
23+toc.onmouseup=w3c_slidy.mouse_button_up;toc.onclick=function(e){e||(e=window.event);if(w3c_slidy.selected_text_len<=0)
24+w3c_slidy.hide_table_of_contents(true);w3c_slidy.stop_propagation(e);if(e.cancel!=undefined)
25+e.cancel=true;if(e.returnValue!=undefined)
26+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)
27+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)
28+w3c_slidy.help_anchor.focus();},toggle_table_of_contents:function(){if(w3c_slidy.is_shown_toc())
29+w3c_slidy.hide_table_of_contents(true);else
30+w3c_slidy.show_table_of_contents();},toc_click:function(e){if(!e)
31+e=window.event;var target=w3c_slidy.get_target(e);if(target&&target.nodeType==1)
32+{var uri=target.getAttribute("href");if(uri)
33+{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
34+{if(!w3c_slidy.opera)
35+w3c_slidy.help_anchor.focus();}
36+catch(e)
37+{}}}
38+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)
39+var event=window.event;if(window.event)
40+key=window.event.keyCode;else if(event.which)
41+key=event.which;else
42+return true;if(!key)
43+return true;if(event.ctrlKey||event.altKey)
44+return true;if(key==13)
45+{var uri=this.getAttribute("href");if(uri)
46+{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
47+{if(!w3c_slidy.opera)
48+w3c_slidy.help_anchor.focus();}
49+catch(e)
50+{}}
51+w3c_slidy.hide_table_of_contents(true);if(self.ie7)
52+w3c_slidy.ie_hack();return w3c_slidy.cancel(event);}
53+if(key==40&&this.next)
54+{this.next.focus();return w3c_slidy.cancel(event);}
55+if(key==38&&this.previous)
56+{this.previous.focus();return w3c_slidy.cancel(event);}
57+return true;},before_print:function(){this.show_all_slides();this.hide_toolbar();alert("before print");},after_print:function(){if(!this.view_all)
58+{this.single_slide_view();this.show_toolbar();}
59+alert("after print");},print_slides:function(){this.before_print();window.print();this.after_print();},toggle_view:function(){if(this.view_all)
60+{this.single_slide_view();this.show_toolbar();this.view_all=0;}
61+else
62+{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)
63+{var images=document.getElementsByTagName("IMG");for(var i=0;i<images.length;++i)
64+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)
65+name=this.extract_text(heading);if(!name)
66+name=this.title+"("+(index+1)+")";name.replace(/\&/g,"&");name.replace(/\</g,"<");name.replace(/\>/g,">");return name;},find_heading:function(node){if(!node||node.nodeType!=1)
67+return null;if(node.nodeName=="H1"||node.nodeName=="h1")
68+return node;var child=node.firstChild;while(child)
69+{node=this.find_heading(child);if(node)
70+return node;child=child.nextSibling;}
71+return null;},extract_text:function(node){if(!node)
72+return"";if(node.nodeType==3)
73+return node.nodeValue;if(node.nodeType==1)
74+{node=node.firstChild;var text="";while(node)
75+{text=text+this.extract_text(node);node=node.nextSibling;}
76+return text;}
77+return"";},find_copyright:function(){var name,content;var meta=document.getElementsByTagName("meta");for(var i=0;i<meta.length;++i)
78+{name=meta[i].getAttribute("name");content=meta[i].getAttribute("content");if(name=="copyright")
79+return content;}
80+return null;},find_size_adjust:function(){var name,content,offset;var meta=document.getElementsByTagName("meta");for(var i=0;i<meta.length;++i)
81+{name=meta[i].getAttribute("name");content=meta[i].getAttribute("content");if(name=="font-size-adjustment")
82+return 1*content;}
83+return 1;},find_duration:function(){var name,content,offset;var meta=document.getElementsByTagName("meta");for(var i=0;i<meta.length;++i)
84+{name=meta[i].getAttribute("name");content=meta[i].getAttribute("content");if(name=="duration")
85+return 60000*content;}
86+return null;},replace_by_non_breaking_space:function(str){for(var i=0;i<str.length;++i)
87+str[i]=160;},init_outliner:function(){var items=document.getElementsByTagName("li");for(var i=0;i<items.length;++i)
88+{var target=items[i];if(!this.has_class(target.parentNode,"outline"))
89+continue;target.onclick=this.outline_click;if(this.foldable(target))
90+{target.foldable=true;target.onfocus=function(){w3c_slidy.outline=this;};target.onblur=function(){w3c_slidy.outline=null;};if(!target.getAttribute("tabindex"))
91+target.setAttribute("tabindex","0");if(this.has_class(target,"expand"))
92+this.unfold(target);else
93+this.fold(target);}
94+else
95+{this.add_class(target,"nofold");target.visible=true;target.foldable=false;}}},foldable:function(item){if(!item||item.nodeType!=1)
96+return false;var node=item.firstChild;while(node)
97+{if(node.nodeType==1&&this.is_block(node))
98+return true;node=node.nextSibling;}
99+return false;},fold:function(item){if(item)
100+{this.remove_class(item,"unfolded");this.add_class(item,"folded");}
101+var node=item?item.firstChild:null;while(node)
102+{if(node.nodeType==1&&this.is_block(node))
103+{w3c_slidy.add_class(node,"hidden");}
104+node=node.nextSibling;}
105+item.visible=false;},unfold:function(item){if(item)
106+{this.add_class(item,"unfolded");this.remove_class(item,"folded");}
107+var node=item?item.firstChild:null;while(node)
108+{if(node.nodeType==1&&this.is_block(node))
109+{w3c_slidy.remove_class(node,"hidden");}
110+node=node.nextSibling;}
111+item.visible=true;},outline_click:function(e){if(!e)
112+e=window.event;var rightclick=false;var target=w3c_slidy.get_target(e);while(target&&target.visible==undefined)
113+target=target.parentNode;if(!target)
114+return true;if(e.which)
115+rightclick=(e.which==3);else if(e.button)
116+rightclick=(e.button==2);if(!rightclick&&target.visible!=undefined)
117+{if(target.foldable)
118+{if(target.visible)
119+w3c_slidy.fold(target);else
120+w3c_slidy.unfold(target);}
121+w3c_slidy.stop_propagation(e);e.cancel=true;e.returnValue=false;}
122+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)
123+p1.innerHTML="Tap footer to move to next slide";else
124+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)
125+e.cancel=true;if(e.returnValue!=undefined)
126+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)
127+{var right=this.create_element("div");right.setAttribute("style","float: right; text-align: right");counter=this.create_element("span")
128+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)
129+{var span=this.create_element("span");span.className="copyright";span.innerHTML=copyright;left.appendChild(span);}
130+this.toolbar.setAttribute("tabindex","0");this.toolbar.appendChild(left);}
131+else
132+{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=" * ";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)
133+{var span=this.create_element("span");span.innerHTML=copyright;span.style.color="black";span.style.marginLeft="0.5em";this.toolbar.appendChild(span);}
134+counter=this.create_element("div")
135+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);}
136+this.toolbar.onclick=function(e){if(!e)
137+e=window.event;var target=e.target;if(!target&&e.srcElement)
138+target=e.srcElement;if(target&&target.nodeType==3)
139+target=target.parentNode;w3c_slidy.stop_propagation(e);if(target&&target.nodeName.toLowerCase()!="a")
140+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)
141+return;for(i=0;i<headings.length;++i)
142+{heading=headings[i];if(heading.parentNode!=document.body)
143+continue;node=heading.nextSibling;div=document.createElement("div");this.add_class(div,"slide");document.body.replaceChild(div,heading);div.appendChild(heading);while(node)
144+{if(node.nodeType==1&&(node.nodeName=="H1"||node.nodeName=="h1"||node.nodeName=="DIV"||node.nodeName=="div"))
145+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)
146+{div=divs.item(i);if(this.has_class(div,"slide"))
147+{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);}
148+else if(this.has_class(div,"background"))
149+{div.style.display="block";}}
150+this.slides=slides;},collect_notes:function(){var notes=new Array();var divs=document.body.getElementsByTagName("div");for(var i=0;i<divs.length;++i)
151+{div=divs.item(i);if(this.has_class(div,"handout"))
152+{notes[notes.length]=div;this.add_class(div,"hidden");}}
153+this.notes=notes;},collect_backgrounds:function(){var backgrounds=new Array();var divs=document.body.getElementsByTagName("div");for(var i=0;i<divs.length;++i)
154+{div=divs.item(i);if(this.has_class(div,"background"))
155+{backgrounds[backgrounds.length]=div;this.add_class(div,"hidden");}}
156+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))
157+{var newslidenum=self.find_slide_number(this.href);if(newslidenum!=self.slide_number)
158+{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();}}
159+else
160+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)
161+{if(window.addEventListener)
162+anchors[i].addEventListener("click",handler,false);else
163+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")+" "+
164+(w3c_slidy.slide_number+1)+"/"+w3c_slidy.slides.length;},check_location:function(){var hash=location.hash;if(w3c_slidy.slide_number>0&&(hash==""||hash=="#"))
165+w3c_slidy.goto_slide(0);else if(hash.length>2&&hash!="#("+(w3c_slidy.slide_number+1)+")")
166+{var num=parseInt(location.hash.substr(2));if(!isNaN(num))
167+w3c_slidy.goto_slide(num-1);}
168+if(w3c_slidy.time_left&&w3c_slidy.slide_number>0)
169+{w3c_slidy.show_slide_number();if(w3c_slidy.time_left>0)
170+w3c_slidy.time_left-=200;}},get_timer:function(){var timer="";if(w3c_slidy.time_left)
171+{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 ";}
172+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)
173+uri=uri+hash;if(w3c_slidy.ie&&(w3c_slidy.ie6||w3c_slidy.ie7))
174+w3c_slidy.push_hash(hash);if(uri!=location.href)
175+location.href=uri;if(this.khtml)
176+hash="("+(w3c_slidy.slide_number+1)+")";if(!this.ie&&location.hash!=hash&&location.hash!="")
177+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)
178+i=uri.indexOf("%23");if(i<0)
179+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('"+
180+(hash)+"');\74/script></head><body>hello mum</body></html>");doc.close();},find_slide_number:function(uri){var i=uri.indexOf("#");if(i<0)
181+return 0;var anchor=unescape(uri.substr(i+1));var target=document.getElementById(anchor);if(!target)
182+{var re=/\((\d)+\)/;if(anchor.match(re))
183+{var num=parseInt(anchor.substring(1,anchor.length-1));if(num>this.slides.length)
184+num=1;if(--num<0)
185+num=0;return num;}
186+re=/\[(\d)+\]/;if(anchor.match(re))
187+{var num=parseInt(anchor.substring(1,anchor.length-1));if(num>this.slides.length)
188+num=1;if(--num<0)
189+num=0;return num;}
190+return 0;}
191+while(true)
192+{if(target.nodeName.toLowerCase()=="div"&&this.has_class(target,"slide"))
193+{break;}
194+target=target.parentNode;if(!target)
195+{return 0;}};for(i=0;i<slides.length;++i)
196+{if(slides[i]==target)
197+return i;}
198+return 0;},previous_slide:function(incremental){if(!w3c_slidy.view_all)
199+{var slide;if((incremental||w3c_slidy.slide_number==0)&&w3c_slidy.last_shown!=null)
200+{w3c_slidy.last_shown=w3c_slidy.hide_previous_item(w3c_slidy.last_shown);w3c_slidy.set_eos_status(false);}
201+else if(w3c_slidy.slide_number>0)
202+{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);}
203+w3c_slidy.set_location();if(!w3c_slidy.ns_pos)
204+w3c_slidy.refresh_toolbar(200);}},next_slide:function(incremental){if(!w3c_slidy.view_all)
205+{var slide,last=w3c_slidy.last_shown;if(incremental||w3c_slidy.slide_number==w3c_slidy.slides.length-1)
206+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)
207+{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);}
208+else if(!w3c_slidy.last_shown)
209+{if(last&&incremental)
210+w3c_slidy.last_shown=last;}
211+w3c_slidy.set_location();w3c_slidy.set_eos_status(!w3c_slidy.next_incremental_item(w3c_slidy.last_shown));if(!w3c_slidy.ns_pos)
212+w3c_slidy.refresh_toolbar(200);}},first_slide:function(){if(!w3c_slidy.view_all)
213+{var slide;if(w3c_slidy.slide_number!=0)
214+{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);}
215+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)
216+{var slide;w3c_slidy.last_shown=null;if(w3c_slidy.last_shown==null&&w3c_slidy.slide_number<w3c_slidy.slides.length-1)
217+{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);}
218+else
219+{w3c_slidy.set_visibility_all_incremental("visible");w3c_slidy.last_shown=w3c_slidy.previous_incremental_item(null);}
220+w3c_slidy.set_eos_status(true);w3c_slidy.set_location();}},set_eos_status:function(state){if(this.eos)
221+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)
222+bgColor=slide.currentStyle["backgroundColor"];else if(document.defaultView)
223+{var styles=document.defaultView.getComputedStyle(slide,null);if(styles)
224+bgColor=styles.getPropertyValue("background-color");else
225+{bgColor="transparent";}}
226+else
227+bgColor=="transparent";if(bgColor=="transparent"||bgColor.indexOf("rgba")>=0||bgColor.indexOf("opacity")>=0)
228+{var slideClass=this.get_class_list(slide);for(var i=0;i<this.backgrounds.length;i++)
229+{background=this.backgrounds[i];var bgClass=this.get_class_list(background);if(this.matching_background(slideClass,bgClass))
230+this.remove_class(background,"hidden");else
231+this.add_class(background,"hidden");}}
232+else
233+this.hide_backgrounds();},hide_backgrounds:function(){for(var i=0;i<this.backgrounds.length;i++)
234+{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++)
235+{if(result[i]=="hidden")
236+continue;if(result[i]=="background")
237+continue;++count;}
238+if(count==0)
239+return true;result=slideClass.match(pattern);for(i=count=0;i<result.length;i++)
240+{if(result[i]=="hidden")
241+continue;if(this.has_token(bgClass,result[i]))
242+return true;}
243+return false;},resized:function(){var width=0;if(typeof(window.innerWidth)=='number')
244+width=window.innerWidth;else if(document.documentElement&&document.documentElement.clientWidth)
245+width=document.documentElement.clientWidth;else if(document.body&&document.body.clientWidth)
246+width=document.body.clientWidth;var height=0;if(typeof(window.innerHeight)=='number')
247+height=window.innerHeight;else if(document.documentElement&&document.documentElement.clientHeight)
248+height=document.documentElement.clientHeight;else if(document.body&&document.body.clientHeight)
249+height=document.body.clientHeight;if(height&&(width/height>1.05*1024/768))
250+{width=height*1024.0/768;}
251+if(width!=w3c_slidy.last_width||height!=w3c_slidy.last_height)
252+{if(width>=1100)
253+w3c_slidy.size_index=5;else if(width>=1000)
254+w3c_slidy.size_index=4;else if(width>=800)
255+w3c_slidy.size_index=3;else if(width>=600)
256+w3c_slidy.size_index=2;else if(width)
257+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)
258+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])
259+{document.body.style.fontSize=w3c_slidy.sizes[w3c_slidy.size_index];}
260+w3c_slidy.last_width=width;w3c_slidy.last_height=height;if(w3c_slidy.ns_pos)
261+{var slide=w3c_slidy.slides[w3c_slidy.slide_number];w3c_slidy.hide_slide(slide);w3c_slidy.show_slide(slide);}
262+w3c_slidy.refresh_toolbar(200);}},scrolled:function(){if(w3c_slidy.toolbar&&!w3c_slidy.ns_pos&&!w3c_slidy.ie7)
263+{w3c_slidy.hack_offset=w3c_slidy.scroll_x_offset();w3c_slidy.toolbar.style.display="none";if(w3c_slidy.scrollhack==0&&!w3c_slidy.view_all)
264+{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)
265+{w3c_slidy.hide_toolbar();setTimeout(function(){w3c_slidy.show_toolbar();},interval);}},show_toolbar:function(){if(w3c_slidy.want_toolbar)
266+{w3c_slidy.toolbar.style.display="block";if(!w3c_slidy.ns_pos)
267+{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;}
268+w3c_slidy.remove_class(w3c_slidy.toolbar,"hidden");}
269+w3c_slidy.scrollhack=0;try
270+{if(!w3c_slidy.opera)
271+w3c_slidy.help_anchor.focus();}
272+catch(e)
273+{}},toggle_toolbar:function(){if(!w3c_slidy.view_all)
274+{if(w3c_slidy.has_class(w3c_slidy.toolbar,"hidden"))
275+{w3c_slidy.remove_class(w3c_slidy.toolbar,"hidden")
276+w3c_slidy.want_toolbar=1;}
277+else
278+{w3c_slidy.add_class(w3c_slidy.toolbar,"hidden")
279+w3c_slidy.want_toolbar=0;}}},scroll_x_offset:function(){if(window.pageXOffset)
280+return self.pageXOffset;if(document.documentElement&&document.documentElement.scrollLeft)
281+return document.documentElement.scrollLeft;if(document.body)
282+return document.body.scrollLeft;return 0;},scroll_y_offset:function(){if(window.pageYOffset)
283+return self.pageYOffset;if(document.documentElement&&document.documentElement.scrollTop)
284+return document.documentElement.scrollTop;if(document.body)
285+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 "
286++dh+" win "+wh+")");},get_doc_height:function(doc){if(!doc)
287+doc=document;if(doc&&doc.body&&doc.body.offsetHeight)
288+return doc.body.offsetHeight;if(doc&&doc.body&&doc.body.scrollHeight)
289+return doc.body.scrollHeight;alert("couldn't determine document height");},get_window_height:function(){if(typeof(window.innerHeight)=='number')
290+return window.innerHeight;if(document.documentElement&&document.documentElement.clientHeight)
291+return document.documentElement.clientHeight;if(document.body&&document.body.clientHeight)
292+return document.body.clientHeight;},document_height:function(){var sh,oh;sh=document.body.scrollHeight;oh=document.body.offsetHeight;if(sh&&oh)
293+{return(sh>oh?sh:oh);}
294+return 0;},smaller:function(){if(w3c_slidy.size_index>0)
295+{--w3c_slidy.size_index;}
296+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)
297+{++w3c_slidy.size_index;}
298+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++)
299+{var obj=this.objects[i];var mimeType=obj.getAttribute("type");if(mimeType=="image/svg+xml"||mimeType=="application/x-shockwave-flash")
300+{if(!obj.initialWidth)
301+obj.initialWidth=obj.getAttribute("width");if(!obj.initialHeight)
302+obj.initialHeight=obj.getAttribute("height");if(obj.initialWidth&&obj.initialWidth.charAt(obj.initialWidth.length-1)=="%")
303+{var w=parseInt(obj.initialWidth.slice(0,obj.initialWidth.length-1));var newW=width*(w/100.0);obj.setAttribute("width",newW);}
304+if(obj.initialHeight&&obj.initialHeight.charAt(obj.initialHeight.length-1)=="%")
305+{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)
306+event=window.event;if(!w3c_slidy.key_wanted)
307+return w3c_slidy.cancel(event);return true;},key_down:function(event){var key,target,tag;w3c_slidy.key_wanted=true;if(!event)
308+event=window.event;if(window.event)
309+{key=window.event.keyCode;target=window.event.srcElement;}
310+else if(event.which)
311+{key=event.which;target=event.target;}
312+else
313+return true;if(!key)
314+return true;if(!w3c_slidy.slidy_chrome(target)&&w3c_slidy.special_element(target))
315+return true;if(event.ctrlKey||event.altKey||event.metaKey)
316+return true;if(w3c_slidy.is_shown_toc()&&key!=9&&key!=16&&key!=38&&key!=40)
317+{w3c_slidy.hide_table_of_contents(true);if(key==27||key==84||key==67)
318+return w3c_slidy.cancel(event);}
319+if(key==34)
320+{if(w3c_slidy.view_all)
321+return true;w3c_slidy.next_slide(false);return w3c_slidy.cancel(event);}
322+else if(key==33)
323+{if(w3c_slidy.view_all)
324+return true;w3c_slidy.previous_slide(false);return w3c_slidy.cancel(event);}
325+else if(key==32)
326+{w3c_slidy.next_slide(true);return w3c_slidy.cancel(event);}
327+else if(key==37)
328+{w3c_slidy.previous_slide(!event.shiftKey);return w3c_slidy.cancel(event);}
329+else if(key==36)
330+{w3c_slidy.first_slide();return w3c_slidy.cancel(event);}
331+else if(key==35)
332+{w3c_slidy.last_slide();return w3c_slidy.cancel(event);}
333+else if(key==39)
334+{w3c_slidy.next_slide(!event.shiftKey);return w3c_slidy.cancel(event);}
335+else if(key==13)
336+{if(w3c_slidy.outline)
337+{if(w3c_slidy.outline.visible)
338+w3c_slidy.fold(w3c_slidy.outline);else
339+w3c_slidy.unfold(w3c_slidy.outline);return w3c_slidy.cancel(event);}}
340+else if(key==188)
341+{w3c_slidy.smaller();return w3c_slidy.cancel(event);}
342+else if(key==190)
343+{w3c_slidy.bigger();return w3c_slidy.cancel(event);}
344+else if(key==189||key==109)
345+{w3c_slidy.smaller();return w3c_slidy.cancel(event);}
346+else if(key==187||key==191||key==107)
347+{w3c_slidy.bigger();return w3c_slidy.cancel(event);}
348+else if(key==83)
349+{w3c_slidy.smaller();return w3c_slidy.cancel(event);}
350+else if(key==66)
351+{w3c_slidy.bigger();return w3c_slidy.cancel(event);}
352+else if(key==90)
353+{w3c_slidy.last_slide();return w3c_slidy.cancel(event);}
354+else if(key==70)
355+{w3c_slidy.toggle_toolbar();return w3c_slidy.cancel(event);}
356+else if(key==65)
357+{w3c_slidy.toggle_view();return w3c_slidy.cancel(event);}
358+else if(key==75)
359+{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);}
360+else if(key==84||key==67)
361+{if(w3c_slidy.toc)
362+w3c_slidy.toggle_table_of_contents();return w3c_slidy.cancel(event);}
363+else if(key==72)
364+{window.location=w3c_slidy.help_page;return w3c_slidy.cancel(event);}
365+return true;},create_element:function(name){if(this.xhtml&&(typeof document.createElementNS!='undefined'))
366+return document.createElementNS("http://www.w3.org/1999/xhtml",name)
367+return document.createElement(name);},get_element_style:function(elem,IEStyleProp,CSSStyleProp){if(elem.currentStyle)
368+{return elem.currentStyle[IEStyleProp];}
369+else if(window.getComputedStyle)
370+{var compStyle=window.getComputedStyle(elem,"");return compStyle.getPropertyValue(CSSStyleProp);}
371+return"";},has_token:function(str,token){if(str)
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