1<!doctype html>
2<html lang="en">
3	<head>
4		<meta charset="utf-8">
5
6		<title>reveal.js - Slide Notes</title>
7
8		<style>
9			body {
10				font-family: Helvetica;
11				font-size: 18px;
12			}
13
14			#current-slide,
15			#upcoming-slide,
16			#speaker-controls {
17				padding: 6px;
18				box-sizing: border-box;
19				-moz-box-sizing: border-box;
20			}
21
22			#current-slide iframe,
23			#upcoming-slide iframe {
24				width: 100%;
25				height: 100%;
26				border: 1px solid #ddd;
27			}
28
29			#current-slide .label,
30			#upcoming-slide .label {
31				position: absolute;
32				top: 10px;
33				left: 10px;
34				z-index: 2;
35			}
36
37			#connection-status {
38				position: absolute;
39				top: 0;
40				left: 0;
41				width: 100%;
42				height: 100%;
43				z-index: 20;
44				padding: 30% 20% 20% 20%;
45				font-size: 18px;
46				color: #222;
47				background: #fff;
48				text-align: center;
49				box-sizing: border-box;
50				line-height: 1.4;
51			}
52
53			.overlay-element {
54				height: 34px;
55				line-height: 34px;
56				padding: 0 10px;
57				text-shadow: none;
58				background: rgba( 220, 220, 220, 0.8 );
59				color: #222;
60				font-size: 14px;
61			}
62
63			.overlay-element.interactive:hover {
64				background: rgba( 220, 220, 220, 1 );
65			}
66
67			#current-slide {
68				position: absolute;
69				width: 60%;
70				height: 100%;
71				top: 0;
72				left: 0;
73				padding-right: 0;
74			}
75
76			#upcoming-slide {
77				position: absolute;
78				width: 40%;
79				height: 40%;
80				right: 0;
81				top: 0;
82			}
83
84			/* Speaker controls */
85			#speaker-controls {
86				position: absolute;
87				top: 40%;
88				right: 0;
89				width: 40%;
90				height: 60%;
91				overflow: auto;
92				font-size: 18px;
93			}
94
95				.speaker-controls-time.hidden,
96				.speaker-controls-notes.hidden {
97					display: none;
98				}
99
100				.speaker-controls-time .label,
101				.speaker-controls-pace .label,
102				.speaker-controls-notes .label {
103					text-transform: uppercase;
104					font-weight: normal;
105					font-size: 0.66em;
106					color: #666;
107					margin: 0;
108				}
109
110				.speaker-controls-time, .speaker-controls-pace {
111					border-bottom: 1px solid rgba( 200, 200, 200, 0.5 );
112					margin-bottom: 10px;
113					padding: 10px 16px;
114					padding-bottom: 20px;
115					cursor: pointer;
116				}
117
118				.speaker-controls-time .reset-button {
119					opacity: 0;
120					float: right;
121					color: #666;
122					text-decoration: none;
123				}
124				.speaker-controls-time:hover .reset-button {
125					opacity: 1;
126				}
127
128				.speaker-controls-time .timer,
129				.speaker-controls-time .clock {
130					width: 50%;
131				}
132
133				.speaker-controls-time .timer,
134				.speaker-controls-time .clock,
135				.speaker-controls-time .pacing .hours-value,
136				.speaker-controls-time .pacing .minutes-value,
137				.speaker-controls-time .pacing .seconds-value {
138					font-size: 1.9em;
139				}
140
141				.speaker-controls-time .timer {
142					float: left;
143				}
144
145				.speaker-controls-time .clock {
146					float: right;
147					text-align: right;
148				}
149
150				.speaker-controls-time span.mute {
151					opacity: 0.3;
152				}
153
154				.speaker-controls-time .pacing-title {
155					margin-top: 5px;
156				}
157
158				.speaker-controls-time .pacing.ahead {
159					color: blue;
160				}
161
162				.speaker-controls-time .pacing.on-track {
163					color: green;
164				}
165
166				.speaker-controls-time .pacing.behind {
167					color: red;
168				}
169
170				.speaker-controls-notes {
171					padding: 10px 16px;
172				}
173
174				.speaker-controls-notes .value {
175					margin-top: 5px;
176					line-height: 1.4;
177					font-size: 1.2em;
178				}
179
180			/* Layout selector */
181			#speaker-layout {
182				position: absolute;
183				top: 10px;
184				right: 10px;
185				color: #222;
186				z-index: 10;
187			}
188				#speaker-layout select {
189					position: absolute;
190					width: 100%;
191					height: 100%;
192					top: 0;
193					left: 0;
194					border: 0;
195					box-shadow: 0;
196					cursor: pointer;
197					opacity: 0;
198
199					font-size: 1em;
200					background-color: transparent;
201
202					-moz-appearance: none;
203					-webkit-appearance: none;
204					-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
205				}
206
207				#speaker-layout select:focus {
208					outline: none;
209					box-shadow: none;
210				}
211
212			.clear {
213				clear: both;
214			}
215
216			/* Speaker layout: Wide */
217			body[data-speaker-layout="wide"] #current-slide,
218			body[data-speaker-layout="wide"] #upcoming-slide {
219				width: 50%;
220				height: 45%;
221				padding: 6px;
222			}
223
224			body[data-speaker-layout="wide"] #current-slide {
225				top: 0;
226				left: 0;
227			}
228
229			body[data-speaker-layout="wide"] #upcoming-slide {
230				top: 0;
231				left: 50%;
232			}
233
234			body[data-speaker-layout="wide"] #speaker-controls {
235				top: 45%;
236				left: 0;
237				width: 100%;
238				height: 50%;
239				font-size: 1.25em;
240			}
241
242			/* Speaker layout: Tall */
243			body[data-speaker-layout="tall"] #current-slide,
244			body[data-speaker-layout="tall"] #upcoming-slide {
245				width: 45%;
246				height: 50%;
247				padding: 6px;
248			}
249
250			body[data-speaker-layout="tall"] #current-slide {
251				top: 0;
252				left: 0;
253			}
254
255			body[data-speaker-layout="tall"] #upcoming-slide {
256				top: 50%;
257				left: 0;
258			}
259
260			body[data-speaker-layout="tall"] #speaker-controls {
261				padding-top: 40px;
262				top: 0;
263				left: 45%;
264				width: 55%;
265				height: 100%;
266				font-size: 1.25em;
267			}
268
269			/* Speaker layout: Notes only */
270			body[data-speaker-layout="notes-only"] #current-slide,
271			body[data-speaker-layout="notes-only"] #upcoming-slide {
272				display: none;
273			}
274
275			body[data-speaker-layout="notes-only"] #speaker-controls {
276				padding-top: 40px;
277				top: 0;
278				left: 0;
279				width: 100%;
280				height: 100%;
281				font-size: 1.25em;
282			}
283
284			@media screen and (max-width: 1080px) {
285				body[data-speaker-layout="default"] #speaker-controls {
286					font-size: 16px;
287				}
288			}
289
290			@media screen and (max-width: 900px) {
291				body[data-speaker-layout="default"] #speaker-controls {
292					font-size: 14px;
293				}
294			}
295
296			@media screen and (max-width: 800px) {
297				body[data-speaker-layout="default"] #speaker-controls {
298					font-size: 12px;
299				}
300			}
301
302		</style>
303	</head>
304
305	<body>
306
307		<div id="connection-status">Loading speaker view...</div>
308
309		<div id="current-slide"></div>
310		<div id="upcoming-slide"><span class="overlay-element label">Upcoming</span></div>
311		<div id="speaker-controls">
312			<div class="speaker-controls-time">
313				<h4 class="label">Time <span class="reset-button">Click to Reset</span></h4>
314				<div class="clock">
315					<span class="clock-value">0:00 AM</span>
316				</div>
317				<div class="timer">
318					<span class="hours-value">00</span><span class="minutes-value">:00</span><span class="seconds-value">:00</span>
319				</div>
320				<div class="clear"></div>
321
322				<h4 class="label pacing-title" style="display: none">Pacing – Time to finish current slide</h4>
323				<div class="pacing" style="display: none">
324					<span class="hours-value">00</span><span class="minutes-value">:00</span><span class="seconds-value">:00</span>
325				</div>
326			</div>
327
328			<div class="speaker-controls-notes hidden">
329				<h4 class="label">Notes</h4>
330				<div class="value"></div>
331			</div>
332		</div>
333		<div id="speaker-layout" class="overlay-element interactive">
334			<span class="speaker-layout-label"></span>
335			<select class="speaker-layout-dropdown"></select>
336		</div>
337
338		<script src="../../plugin/markdown/marked.js"></script>
339		<script>
340
341			(function() {
342
343				var notes,
344					notesValue,
345					currentState,
346					currentSlide,
347					upcomingSlide,
348					layoutLabel,
349					layoutDropdown,
350					pendingCalls = {},
351					lastRevealApiCallId = 0,
352					connected = false;
353
354				var SPEAKER_LAYOUTS = {
355					'default': 'Default',
356					'wide': 'Wide',
357					'tall': 'Tall',
358					'notes-only': 'Notes only'
359				};
360
361				setupLayout();
362
363				var connectionStatus = document.querySelector( '#connection-status' );
364				var connectionTimeout = setTimeout( function() {
365					connectionStatus.innerHTML = 'Error connecting to main window.<br>Please try closing and reopening the speaker view.';
366				}, 5000 );
367
368				window.addEventListener( 'message', function( event ) {
369
370					clearTimeout( connectionTimeout );
371					connectionStatus.style.display = 'none';
372
373					var data = JSON.parse( event.data );
374
375					// The overview mode is only useful to the reveal.js instance
376					// where navigation occurs so we don't sync it
377					if( data.state ) delete data.state.overview;
378
379					// Messages sent by the notes plugin inside of the main window
380					if( data && data.namespace === 'reveal-notes' ) {
381						if( data.type === 'connect' ) {
382							handleConnectMessage( data );
383						}
384						else if( data.type === 'state' ) {
385							handleStateMessage( data );
386						}
387						else if( data.type === 'return' ) {
388							pendingCalls[data.callId](data.result);
389							delete pendingCalls[data.callId];
390						}
391					}
392					// Messages sent by the reveal.js inside of the current slide preview
393					else if( data && data.namespace === 'reveal' ) {
394						if( /ready/.test( data.eventName ) ) {
395							// Send a message back to notify that the handshake is complete
396							window.opener.postMessage( JSON.stringify({ namespace: 'reveal-notes', type: 'connected'} ), '*' );
397						}
398						else if( /slidechanged|fragmentshown|fragmenthidden|paused|resumed/.test( data.eventName ) && currentState !== JSON.stringify( data.state ) ) {
399
400							window.opener.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ]} ), '*' );
401
402						}
403					}
404
405				} );
406
407				/**
408				 * Asynchronously calls the Reveal.js API of the main frame.
409				 */
410				function callRevealApi( methodName, methodArguments, callback ) {
411
412					var callId = ++lastRevealApiCallId;
413					pendingCalls[callId] = callback;
414					window.opener.postMessage( JSON.stringify( {
415						namespace: 'reveal-notes',
416						type: 'call',
417						callId: callId,
418						methodName: methodName,
419						arguments: methodArguments
420					} ), '*' );
421
422				}
423
424				/**
425				 * Called when the main window is trying to establish a
426				 * connection.
427				 */
428				function handleConnectMessage( data ) {
429
430					if( connected === false ) {
431						connected = true;
432
433						setupIframes( data );
434						setupKeyboard();
435						setupNotes();
436						setupTimer();
437					}
438
439				}
440
441				/**
442				 * Called when the main window sends an updated state.
443				 */
444				function handleStateMessage( data ) {
445
446					// Store the most recently set state to avoid circular loops
447					// applying the same state
448					currentState = JSON.stringify( data.state );
449
450					// No need for updating the notes in case of fragment changes
451					if ( data.notes ) {
452						notes.classList.remove( 'hidden' );
453						notesValue.style.whiteSpace = data.whitespace;
454						if( data.markdown ) {
455							notesValue.innerHTML = marked( data.notes );
456						}
457						else {
458							notesValue.innerHTML = data.notes;
459						}
460					}
461					else {
462						notes.classList.add( 'hidden' );
463					}
464
465					// Update the note slides
466					currentSlide.contentWindow.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ] }), '*' );
467					upcomingSlide.contentWindow.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ] }), '*' );
468					upcomingSlide.contentWindow.postMessage( JSON.stringify({ method: 'next' }), '*' );
469
470				}
471
472				// Limit to max one state update per X ms
473				handleStateMessage = debounce( handleStateMessage, 200 );
474
475				/**
476				 * Forward keyboard events to the current slide window.
477				 * This enables keyboard events to work even if focus
478				 * isn't set on the current slide iframe.
479				 *
480				 * Block F5 default handling, it reloads and disconnects
481				 * the speaker notes window.
482				 */
483				function setupKeyboard() {
484
485					document.addEventListener( 'keydown', function( event ) {
486						if( event.keyCode === 116 || ( event.metaKey && event.keyCode === 82 ) ) {
487							event.preventDefault();
488							return false;
489						}
490						currentSlide.contentWindow.postMessage( JSON.stringify({ method: 'triggerKey', args: [ event.keyCode ] }), '*' );
491					} );
492
493				}
494
495				/**
496				 * Creates the preview iframes.
497				 */
498				function setupIframes( data ) {
499
500					var params = [
501						'receiver',
502						'progress=false',
503						'history=false',
504						'transition=none',
505						'autoSlide=0',
506						'backgroundTransition=none'
507					].join( '&' );
508
509					var urlSeparator = /\?/.test(data.url) ? '&' : '?';
510					var hash = '#/' + data.state.indexh + '/' + data.state.indexv;
511					var currentURL = data.url + urlSeparator + params + '&postMessageEvents=true' + hash;
512					var upcomingURL = data.url + urlSeparator + params + '&controls=false' + hash;
513
514					currentSlide = document.createElement( 'iframe' );
515					currentSlide.setAttribute( 'width', 1280 );
516					currentSlide.setAttribute( 'height', 1024 );
517					currentSlide.setAttribute( 'src', currentURL );
518					document.querySelector( '#current-slide' ).appendChild( currentSlide );
519
520					upcomingSlide = document.createElement( 'iframe' );
521					upcomingSlide.setAttribute( 'width', 640 );
522					upcomingSlide.setAttribute( 'height', 512 );
523					upcomingSlide.setAttribute( 'src', upcomingURL );
524					document.querySelector( '#upcoming-slide' ).appendChild( upcomingSlide );
525
526				}
527
528				/**
529				 * Setup the notes UI.
530				 */
531				function setupNotes() {
532
533					notes = document.querySelector( '.speaker-controls-notes' );
534					notesValue = document.querySelector( '.speaker-controls-notes .value' );
535
536				}
537
538				function getTimings( callback ) {
539
540					callRevealApi( 'getSlidesAttributes', [], function ( slideAttributes ) {
541						callRevealApi( 'getConfig', [], function ( config ) {
542							var totalTime = config.totalTime;
543							var minTimePerSlide = config.minimumTimePerSlide || 0;
544							var defaultTiming = config.defaultTiming;
545							if ((defaultTiming == null) && (totalTime == null)) {
546								callback(null);
547								return;
548							}
549							// Setting totalTime overrides defaultTiming
550							if (totalTime) {
551								defaultTiming = 0;
552							}
553							var timings = [];
554							for ( var i in slideAttributes ) {
555								var slide = slideAttributes[ i ];
556								var timing = defaultTiming;
557								if( slide.hasOwnProperty( 'data-timing' )) {
558									var t = slide[ 'data-timing' ];
559									timing = parseInt(t);
560									if( isNaN(timing) ) {
561										console.warn("Could not parse timing '" + t + "' of slide " + i + "; using default of " + defaultTiming);
562										timing = defaultTiming;
563									}
564								}
565								timings.push(timing);
566							}
567							if ( totalTime ) {
568								// After we've allocated time to individual slides, we summarize it and
569								// subtract it from the total time
570								var remainingTime = totalTime - timings.reduce( function(a, b) { return a + b; }, 0 );
571								// The remaining time is divided by the number of slides that have 0 seconds
572								// allocated at the moment, giving the average time-per-slide on the remaining slides
573								var remainingSlides = (timings.filter( function(x) { return x == 0 }) ).length
574								var timePerSlide = Math.round( remainingTime / remainingSlides, 0 )
575								// And now we replace every zero-value timing with that average
576								timings = timings.map( function(x) { return (x==0 ? timePerSlide : x) } );
577							}
578							var slidesUnderMinimum = timings.filter( function(x) { return (x < minTimePerSlide) } ).length
579							if ( slidesUnderMinimum ) {
580								message = "The pacing time for " + slidesUnderMinimum + " slide(s) is under the configured minimum of " + minTimePerSlide + " seconds. Check the data-timing attribute on individual slides, or consider increasing the totalTime or minimumTimePerSlide configuration options (or removing some slides).";
581								alert(message);
582							}
583							callback( timings );
584						} );
585					} );
586
587				}
588
589				/**
590				 * Return the number of seconds allocated for presenting
591				 * all slides up to and including this one.
592				 */
593				function getTimeAllocated( timings, callback ) {
594
595					callRevealApi( 'getSlidePastCount', [], function ( currentSlide ) {
596						var allocated = 0;
597						for (var i in timings.slice(0, currentSlide + 1)) {
598							allocated += timings[i];
599						}
600						callback( allocated );
601					} );
602
603				}
604
605				/**
606				 * Create the timer and clock and start updating them
607				 * at an interval.
608				 */
609				function setupTimer() {
610
611					var start = new Date(),
612					timeEl = document.querySelector( '.speaker-controls-time' ),
613					clockEl = timeEl.querySelector( '.clock-value' ),
614					hoursEl = timeEl.querySelector( '.hours-value' ),
615					minutesEl = timeEl.querySelector( '.minutes-value' ),
616					secondsEl = timeEl.querySelector( '.seconds-value' ),
617					pacingTitleEl = timeEl.querySelector( '.pacing-title' ),
618					pacingEl = timeEl.querySelector( '.pacing' ),
619					pacingHoursEl = pacingEl.querySelector( '.hours-value' ),
620					pacingMinutesEl = pacingEl.querySelector( '.minutes-value' ),
621					pacingSecondsEl = pacingEl.querySelector( '.seconds-value' );
622
623					var timings = null;
624					getTimings( function ( _timings ) {
625
626						timings = _timings;
627						if (_timings !== null) {
628							pacingTitleEl.style.removeProperty('display');
629							pacingEl.style.removeProperty('display');
630						}
631
632						// Update once directly
633						_updateTimer();
634
635						// Then update every second
636						setInterval( _updateTimer, 1000 );
637
638					} );
639
640
641					function _resetTimer() {
642
643						if (timings == null) {
644							start = new Date();
645							_updateTimer();
646						}
647						else {
648							// Reset timer to beginning of current slide
649							getTimeAllocated( timings, function ( slideEndTimingSeconds ) {
650								var slideEndTiming = slideEndTimingSeconds * 1000;
651								callRevealApi( 'getSlidePastCount', [], function ( currentSlide ) {
652									var currentSlideTiming = timings[currentSlide] * 1000;
653									var previousSlidesTiming = slideEndTiming - currentSlideTiming;
654									var now = new Date();
655									start = new Date(now.getTime() - previousSlidesTiming);
656									_updateTimer();
657								} );
658							} );
659						}
660
661					}
662
663					timeEl.addEventListener( 'click', function() {
664						_resetTimer();
665						return false;
666					} );
667
668					function _displayTime( hrEl, minEl, secEl, time) {
669
670						var sign = Math.sign(time) == -1 ? "-" : "";
671						time = Math.abs(Math.round(time / 1000));
672						var seconds = time % 60;
673						var minutes = Math.floor( time / 60 ) % 60 ;
674						var hours = Math.floor( time / ( 60 * 60 )) ;
675						hrEl.innerHTML = sign + zeroPadInteger( hours );
676						if (hours == 0) {
677							hrEl.classList.add( 'mute' );
678						}
679						else {
680							hrEl.classList.remove( 'mute' );
681						}
682						minEl.innerHTML = ':' + zeroPadInteger( minutes );
683						if (hours == 0 && minutes == 0) {
684							minEl.classList.add( 'mute' );
685						}
686						else {
687							minEl.classList.remove( 'mute' );
688						}
689						secEl.innerHTML = ':' + zeroPadInteger( seconds );
690					}
691
692					function _updateTimer() {
693
694						var diff, hours, minutes, seconds,
695						now = new Date();
696
697						diff = now.getTime() - start.getTime();
698
699						clockEl.innerHTML = now.toLocaleTimeString( 'en-US', { hour12: true, hour: '2-digit', minute:'2-digit' } );
700						_displayTime( hoursEl, minutesEl, secondsEl, diff );
701						if (timings !== null) {
702							_updatePacing(diff);
703						}
704
705					}
706
707					function _updatePacing(diff) {
708
709						getTimeAllocated( timings, function ( slideEndTimingSeconds ) {
710							var slideEndTiming = slideEndTimingSeconds * 1000;
711
712							callRevealApi( 'getSlidePastCount', [], function ( currentSlide ) {
713								var currentSlideTiming = timings[currentSlide] * 1000;
714								var timeLeftCurrentSlide = slideEndTiming - diff;
715								if (timeLeftCurrentSlide < 0) {
716									pacingEl.className = 'pacing behind';
717								}
718								else if (timeLeftCurrentSlide < currentSlideTiming) {
719									pacingEl.className = 'pacing on-track';
720								}
721								else {
722									pacingEl.className = 'pacing ahead';
723								}
724								_displayTime( pacingHoursEl, pacingMinutesEl, pacingSecondsEl, timeLeftCurrentSlide );
725							} );
726						} );
727					}
728
729				}
730
731				/**
732				 * Sets up the speaker view layout and layout selector.
733				 */
734				function setupLayout() {
735
736					layoutDropdown = document.querySelector( '.speaker-layout-dropdown' );
737					layoutLabel = document.querySelector( '.speaker-layout-label' );
738
739					// Render the list of available layouts
740					for( var id in SPEAKER_LAYOUTS ) {
741						var option = document.createElement( 'option' );
742						option.setAttribute( 'value', id );
743						option.textContent = SPEAKER_LAYOUTS[ id ];
744						layoutDropdown.appendChild( option );
745					}
746
747					// Monitor the dropdown for changes
748					layoutDropdown.addEventListener( 'change', function( event ) {
749
750						setLayout( layoutDropdown.value );
751
752					}, false );
753
754					// Restore any currently persisted layout
755					setLayout( getLayout() );
756
757				}
758
759				/**
760				 * Sets a new speaker view layout. The layout is persisted
761				 * in local storage.
762				 */
763				function setLayout( value ) {
764
765					var title = SPEAKER_LAYOUTS[ value ];
766
767					layoutLabel.innerHTML = 'Layout' + ( title ? ( ': ' + title ) : '' );
768					layoutDropdown.value = value;
769
770					document.body.setAttribute( 'data-speaker-layout', value );
771
772					// Persist locally
773					if( supportsLocalStorage() ) {
774						window.localStorage.setItem( 'reveal-speaker-layout', value );
775					}
776
777				}
778
779				/**
780				 * Returns the ID of the most recently set speaker layout
781				 * or our default layout if none has been set.
782				 */
783				function getLayout() {
784
785					if( supportsLocalStorage() ) {
786						var layout = window.localStorage.getItem( 'reveal-speaker-layout' );
787						if( layout ) {
788							return layout;
789						}
790					}
791
792					// Default to the first record in the layouts hash
793					for( var id in SPEAKER_LAYOUTS ) {
794						return id;
795					}
796
797				}
798
799				function supportsLocalStorage() {
800
801					try {
802						localStorage.setItem('test', 'test');
803						localStorage.removeItem('test');
804						return true;
805					}
806					catch( e ) {
807						return false;
808					}
809
810				}
811
812				function zeroPadInteger( num ) {
813
814					var str = '00' + parseInt( num );
815					return str.substring( str.length - 2 );
816
817				}
818
819				/**
820				 * Limits the frequency at which a function can be called.
821				 */
822				function debounce( fn, ms ) {
823
824					var lastTime = 0,
825						timeout;
826
827					return function() {
828
829						var args = arguments;
830						var context = this;
831
832						clearTimeout( timeout );
833
834						var timeSinceLastCall = Date.now() - lastTime;
835						if( timeSinceLastCall > ms ) {
836							fn.apply( context, args );
837							lastTime = Date.now();
838						}
839						else {
840							timeout = setTimeout( function() {
841								fn.apply( context, args );
842								lastTime = Date.now();
843							}, ms - timeSinceLastCall );
844						}
845
846					}
847
848				}
849
850			})();
851
852		</script>
853	</body>
854</html>
855