|  | @@ -3,8 +3,6 @@
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				|  |  |  	<head>
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				|  |  |  		<meta charset="utf-8">
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				|  |  |  
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				|  |  | -		<meta name="viewport" content="width=1150">
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				|  |  | -
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				|  |  |  		<title>reveal.js - Slide Notes</title>
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				|  |  |  
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				|  |  |  		<style>
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				|  | @@ -12,130 +10,374 @@
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				|  |  |  				font-family: Helvetica;
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				|  |  |  			}
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				|  |  |  
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				|  |  | -			#notes {
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				|  |  | -				font-size: 24px;
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				|  |  | -				width: 640px;
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				|  |  | -				margin-top: 5px;
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				|  |  | -				clear: left;
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				|  |  | +			#current-slide,
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				|  |  | +			#upcoming-slide,
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				|  |  | +			#speaker-controls {
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				|  |  | +				padding: 6px;
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				|  |  | +				box-sizing: border-box;
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				|  |  | +				-moz-box-sizing: border-box;
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				|  |  |  			}
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				|  |  |  
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				|  |  | -			#wrap-current-slide {
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				|  |  | -				width: 640px;
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				|  |  | -				height: 512px;
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				|  |  | -				float: left;
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				|  |  | -				overflow: hidden;
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				|  |  | +			#current-slide iframe,
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				|  |  | +			#upcoming-slide iframe {
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				|  |  | +				width: 100%;
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				|  |  | +				height: 100%;
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				|  |  | +				border: 1px solid #ddd;
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				|  |  |  			}
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				|  |  |  
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				|  |  | -			#current-slide {
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				|  |  | -				width: 1280px;
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				|  |  | -				height: 1024px;
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				|  |  | -				border: none;
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				|  |  | -
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				|  |  | -				-webkit-transform-origin: 0 0;
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				|  |  | -				   -moz-transform-origin: 0 0;
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				|  |  | -				    -ms-transform-origin: 0 0;
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				|  |  | -				     -o-transform-origin: 0 0;
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				|  |  | -				        transform-origin: 0 0;
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				|  |  | -
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				|  |  | -				-webkit-transform: scale(0.5);
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				|  |  | -				   -moz-transform: scale(0.5);
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				|  |  | -				    -ms-transform: scale(0.5);
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				|  |  | -				     -o-transform: scale(0.5);
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				|  |  | -				        transform: scale(0.5);
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				|  |  | -			}
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				|  |  | -
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				|  |  | -			#wrap-next-slide {
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				|  |  | -				width: 448px;
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				|  |  | -				height: 358px;
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				|  |  | -				float: left;
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				|  |  | -				margin: 0 0 0 10px;
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				|  |  | -				overflow: hidden;
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				|  |  | -			}
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				|  |  | -
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				|  |  | -			#next-slide {
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				|  |  | -				width: 1280px;
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				|  |  | -				height: 1024px;
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				|  |  | -				border: none;
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				|  |  | -
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				|  |  | -				-webkit-transform-origin: 0 0;
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				|  |  | -				   -moz-transform-origin: 0 0;
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				|  |  | -				    -ms-transform-origin: 0 0;
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				|  |  | -				     -o-transform-origin: 0 0;
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				|  |  | -				        transform-origin: 0 0;
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				|  |  | -
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				|  |  | -				-webkit-transform: scale(0.35);
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				|  |  | -				   -moz-transform: scale(0.35);
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				|  |  | -				    -ms-transform: scale(0.35);
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				|  |  | -				     -o-transform: scale(0.35);
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				|  |  | -				        transform: scale(0.35);
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				|  |  | -			}
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				|  |  | -
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				|  |  | -			.slides {
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				|  |  | -				position: relative;
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				|  |  | -				margin-bottom: 10px;
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				|  |  | -				border: 1px solid black;
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				|  |  | -				border-radius: 2px;
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				|  |  | -				background: rgb(28, 30, 32);
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				|  |  | -			}
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				|  |  | -
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				|  |  | -			.slides span {
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				|  |  | +			#current-slide .label,
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				|  |  | +			#upcoming-slide .label {
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				|  |  |  				position: absolute;
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				|  |  | -				top: 3px;
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				|  |  | -				left: 3px;
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				|  |  | +				top: 10px;
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				|  |  | +				left: 10px;
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				|  |  |  				font-weight: bold;
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				|  |  |  				font-size: 14px;
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				|  |  | +				z-index: 2;
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				|  |  |  				color: rgba( 255, 255, 255, 0.9 );
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				|  |  |  			}
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				|  |  | +
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				|  |  | +			#current-slide {
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				|  |  | +				position: absolute;
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				|  |  | +				width: 65%;
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				|  |  | +				height: 100%;
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				|  |  | +				top: 0;
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				|  |  | +				left: 0;
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				|  |  | +				padding-right: 0;
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				|  |  | +			}
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				|  |  | +
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				|  |  | +			#upcoming-slide {
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				|  |  | +				position: absolute;
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				|  |  | +				width: 35%;
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				|  |  | +				height: 40%;
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				|  |  | +				right: 0;
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				|  |  | +				top: 0;
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				|  |  | +			}
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				|  |  | +
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				|  |  | +			#speaker-controls {
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				|  |  | +				position: absolute;
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				|  |  | +				top: 40%;
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				|  |  | +				right: 0;
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				|  |  | +				width: 35%;
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				|  |  | +				height: 60%;
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				|  |  | +
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				|  |  | +				font-size: 18px;
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				|  |  | +			}
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				|  |  | +
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				|  |  | +				.speaker-controls-time.hidden,
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				|  |  | +				.speaker-controls-notes.hidden {
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				|  |  | +					display: none;
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				|  |  | +				}
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				|  |  | +
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				|  |  | +				.speaker-controls-time .label,
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				|  |  | +				.speaker-controls-notes .label {
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				|  |  | +					text-transform: uppercase;
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				|  |  | +					font-weight: normal;
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				|  |  | +					font-size: 0.66em;
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				|  |  | +					color: #666;
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				|  |  | +					margin: 0;
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				|  |  | +				}
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				|  |  | +
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				|  |  | +				.speaker-controls-time {
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				|  |  | +					border-bottom: 1px solid rgba( 200, 200, 200, 0.5 );
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				|  |  | +					margin-bottom: 10px;
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				|  |  | +					padding: 10px 16px;
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				|  |  | +					padding-bottom: 20px;
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				|  |  | +					cursor: pointer;
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				|  |  | +				}
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				|  |  | +
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				|  |  | +				.speaker-controls-time .reset-button {
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				|  |  | +					opacity: 0;
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				|  |  | +					float: right;
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				|  |  | +					color: #666;
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				|  |  | +					text-decoration: none;
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				|  |  | +				}
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				|  |  | +				.speaker-controls-time:hover .reset-button {
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				|  |  | +					opacity: 1;
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				|  |  | +				}
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				|  |  | +
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				|  |  | +				.speaker-controls-time .timer,
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				|  |  | +				.speaker-controls-time .clock {
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				|  |  | +					width: 50%;
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				|  |  | +					font-size: 1.9em;
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				|  |  | +				}
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				|  |  | +
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				|  |  | +				.speaker-controls-time .timer {
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				|  |  | +					float: left;
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				|  |  | +				}
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				|  |  | +
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				|  |  | +				.speaker-controls-time .clock {
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				|  |  | +					float: right;
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				|  |  | +					text-align: right;
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				|  |  | +				}
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				|  |  | +
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				|  |  | +				.speaker-controls-time span.mute {
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				|  |  | +					color: #bbb;
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				|  |  | +				}
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				|  |  | +
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				|  |  | +				.speaker-controls-notes {
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				|  |  | +					padding: 10px 16px;
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				|  |  | +				}
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				|  |  | +
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				|  |  | +				.speaker-controls-notes .value {
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				|  |  | +					margin-top: 5px;
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				|  |  | +					line-height: 1.4;
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				|  |  | +					font-size: 1.2em;
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				|  |  | +				}
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				|  |  | +
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				|  |  | +			.clear {
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				|  |  | +				clear: both;
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				|  |  | +			}
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				|  |  | +
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				|  |  | +			@media screen and (max-width: 1080px) {
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				|  |  | +				#speaker-controls {
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				|  |  | +					font-size: 16px;
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				|  |  | +				}
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				|  |  | +			}
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				|  |  | +
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				|  |  | +			@media screen and (max-width: 900px) {
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				|  |  | +				#speaker-controls {
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				|  |  | +					font-size: 14px;
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				|  |  | +				}
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				|  |  | +			}
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				|  |  | +
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				|  |  | +			@media screen and (max-width: 800px) {
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				|  |  | +				#speaker-controls {
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				|  |  | +					font-size: 12px;
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				|  |  | +				}
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				|  |  | +			}
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				|  |  | +
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				|  |  |  		</style>
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				|  |  |  	</head>
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				|  |  |  
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				|  |  |  	<body>
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				|  |  |  
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				|  |  | -		<div id="wrap-current-slide" class="slides">
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				|  |  | -			<iframe src="/?receiver" width="1280" height="1024" id="current-slide"></iframe>
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				|  |  | -		</div>
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				|  |  | +		<div id="current-slide"></div>
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				|  |  | +		<div id="upcoming-slide"><span class="label">UPCOMING:</span></div>
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				|  |  | +		<div id="speaker-controls">
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				|  |  | +			<div class="speaker-controls-time">
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				|  |  | +				<h4 class="label">Time <span class="reset-button">Click to Reset</span></h4>
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				|  |  | +				<div class="clock">
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				|  |  | +					<span class="clock-value">0:00 AM</span>
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				|  |  | +				</div>
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				|  |  | +				<div class="timer">
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				|  |  | +					<span class="hours-value">00</span><span class="minutes-value">:00</span><span class="seconds-value">:00</span>
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				|  |  | +				</div>
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				|  |  | +				<div class="clear"></div>
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				|  |  | +			</div>
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				|  |  |  
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				|  |  | -		<div id="wrap-next-slide" class="slides">
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				|  |  | -			<iframe src="/?receiver" width="640" height="512" id="next-slide"></iframe>
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				|  |  | -			<span>UPCOMING:</span>
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				|  |  | +			<div class="speaker-controls-notes hidden">
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				|  |  | +				<h4 class="label">Notes</h4>
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				|  |  | +				<div class="value"></div>
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				|  |  | +			</div>
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				|  |  |  		</div>
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				|  |  | -		<div id="notes"></div>
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				|  |  |  
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				|  |  |  		<script src="/socket.io/socket.io.js"></script>
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				|  |  |  		<script src="/plugin/markdown/marked.js"></script>
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				|  |  |  
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				|  |  |  		<script>
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				|  |  | -		var socketId = '{{socketId}}';
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				|  |  | -		var socket = io.connect(window.location.origin);
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				|  |  | -		var notes = document.getElementById('notes');
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				|  |  | -		var currentSlide = document.getElementById('current-slide');
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				|  |  | -		var nextSlide = document.getElementById('next-slide');
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				|  |  | +		(function() {
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				|  |  | +
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				|  |  | +			var notes,
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				|  |  | +				notesValue,
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				|  |  | +				currentState,
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				|  |  | +				currentSlide,
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				|  |  | +				upcomingSlide,
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				|  |  | +				connected = false;
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				|  |  | +
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				|  |  | +			var socket = io.connect( window.location.origin ),
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				|  |  | +				socketId = '{{socketId}}';
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				|  |  | +
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				|  |  | +			socket.on( 'state', function( data ) {
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				|  |  | +
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				|  |  | +				// ignore data from sockets that aren't ours
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				|  |  | +				if( data.socketId !== socketId ) { return; }
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				|  |  | +
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				|  |  | +				if( connected === false ) {
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				|  |  | +					connected = true;
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				|  |  | +
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				|  |  | +					setupIframes( data );
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				|  |  | +					setupKeyboard();
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				|  |  | +					setupNotes();
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				|  |  | +					setupTimer();
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				|  |  | +
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				|  |  | +				}
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				|  |  | +
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				|  |  | +				handleStateMessage( data );
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				|  |  |  
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				|  |  | -		socket.on('slidedata', function(data) {
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				|  |  | -			// ignore data from sockets that aren't ours
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				|  |  | -			if (data.socketId !== socketId) { return; }
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				|  |  | +			} );
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				|  |  | +
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				|  |  | +			/**
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				|  |  | +			 * Called when the main window sends an updated state.
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				|  |  | +			 */
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				|  |  | +			function handleStateMessage( data ) {
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				|  |  | +
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				|  |  | +				// Store the most recently set state to avoid circular loops
 | 
	
		
			
				|  |  | +				// applying the same state
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				|  |  | +				currentState = JSON.stringify( data.state );
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				|  |  | +
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				|  |  | +				// No need for updating the notes in case of fragment changes
 | 
	
		
			
				|  |  | +				if ( data.notes ) {
 | 
	
		
			
				|  |  | +					notes.classList.remove( 'hidden' );
 | 
	
		
			
				|  |  | +					if( data.markdown ) {
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				|  |  | +						notesValue.innerHTML = marked( data.notes );
 | 
	
		
			
				|  |  | +					}
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				|  |  | +					else {
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				|  |  | +						notesValue.innerHTML = data.notes;
 | 
	
		
			
				|  |  | +					}
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				|  |  | +				}
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				|  |  | +				else {
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				|  |  | +					notes.classList.add( 'hidden' );
 | 
	
		
			
				|  |  | +				}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +				// Update the note slides
 | 
	
		
			
				|  |  | +				currentSlide.contentWindow.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ] }), '*' );
 | 
	
		
			
				|  |  | +				upcomingSlide.contentWindow.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ] }), '*' );
 | 
	
		
			
				|  |  | +				upcomingSlide.contentWindow.postMessage( JSON.stringify({ method: 'next' }), '*' );
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -			if (data.markdown) {
 | 
	
		
			
				|  |  | -				notes.innerHTML = marked(data.notes);
 | 
	
		
			
				|  |  |  			}
 | 
	
		
			
				|  |  | -			else {
 | 
	
		
			
				|  |  | -				notes.innerHTML = data.notes;
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +			// Limit to max one state update per X ms
 | 
	
		
			
				|  |  | +			handleStateMessage = debounce( handleStateMessage, 200 );
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +			/**
 | 
	
		
			
				|  |  | +			 * Forward keyboard events to the current slide window.
 | 
	
		
			
				|  |  | +			 * This enables keyboard events to work even if focus
 | 
	
		
			
				|  |  | +			 * isn't set on the current slide iframe.
 | 
	
		
			
				|  |  | +			 */
 | 
	
		
			
				|  |  | +			function setupKeyboard() {
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +				document.addEventListener( 'keydown', function( event ) {
 | 
	
		
			
				|  |  | +					currentSlide.contentWindow.postMessage( JSON.stringify({ method: 'triggerKey', args: [ event.keyCode ] }), '*' );
 | 
	
		
			
				|  |  | +				} );
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  |  			}
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -			currentSlide.contentWindow.Reveal.slide(data.indexh, data.indexv);
 | 
	
		
			
				|  |  | -			nextSlide.contentWindow.Reveal.slide(data.nextindexh, data.nextindexv);
 | 
	
		
			
				|  |  | -		});
 | 
	
		
			
				|  |  | -		socket.on('fragmentdata', function(data) {
 | 
	
		
			
				|  |  | -			// ignore data from sockets that aren't ours
 | 
	
		
			
				|  |  | -			if (data.socketId !== socketId) { return; }
 | 
	
		
			
				|  |  | +			/**
 | 
	
		
			
				|  |  | +			 * Creates the preview iframes.
 | 
	
		
			
				|  |  | +			 */
 | 
	
		
			
				|  |  | +			function setupIframes( data ) {
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +				var params = [
 | 
	
		
			
				|  |  | +					'receiver',
 | 
	
		
			
				|  |  | +					'progress=false',
 | 
	
		
			
				|  |  | +					'history=false',
 | 
	
		
			
				|  |  | +					'transition=none',
 | 
	
		
			
				|  |  | +					'backgroundTransition=none'
 | 
	
		
			
				|  |  | +				].join( '&' );
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +				var hash = '#/' + data.state.indexh + '/' + data.state.indexv;
 | 
	
		
			
				|  |  | +				var currentURL = '/?' + params + hash;
 | 
	
		
			
				|  |  | +				var upcomingURL = '/?' + params + '&controls=false' + hash;
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +				currentSlide = document.createElement( 'iframe' );
 | 
	
		
			
				|  |  | +				currentSlide.setAttribute( 'width', 1280 );
 | 
	
		
			
				|  |  | +				currentSlide.setAttribute( 'height', 1024 );
 | 
	
		
			
				|  |  | +				currentSlide.setAttribute( 'src', currentURL );
 | 
	
		
			
				|  |  | +				document.querySelector( '#current-slide' ).appendChild( currentSlide );
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +				upcomingSlide = document.createElement( 'iframe' );
 | 
	
		
			
				|  |  | +				upcomingSlide.setAttribute( 'width', 640 );
 | 
	
		
			
				|  |  | +				upcomingSlide.setAttribute( 'height', 512 );
 | 
	
		
			
				|  |  | +				upcomingSlide.setAttribute( 'src', upcomingURL );
 | 
	
		
			
				|  |  | +				document.querySelector( '#upcoming-slide' ).appendChild( upcomingSlide );
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -			if (data.fragment === 'next') {
 | 
	
		
			
				|  |  | -				currentSlide.contentWindow.Reveal.nextFragment();
 | 
	
		
			
				|  |  |  			}
 | 
	
		
			
				|  |  | -			else if (data.fragment === 'previous') {
 | 
	
		
			
				|  |  | -				currentSlide.contentWindow.Reveal.prevFragment();
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +			/**
 | 
	
		
			
				|  |  | +			 * Setup the notes UI.
 | 
	
		
			
				|  |  | +			 */
 | 
	
		
			
				|  |  | +			function setupNotes() {
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +				notes = document.querySelector( '.speaker-controls-notes' );
 | 
	
		
			
				|  |  | +				notesValue = document.querySelector( '.speaker-controls-notes .value' );
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  |  			}
 | 
	
		
			
				|  |  | -		});
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +			/**
 | 
	
		
			
				|  |  | +			 * Create the timer and clock and start updating them
 | 
	
		
			
				|  |  | +			 * at an interval.
 | 
	
		
			
				|  |  | +			 */
 | 
	
		
			
				|  |  | +			function setupTimer() {
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +				var start = new Date(),
 | 
	
		
			
				|  |  | +					timeEl = document.querySelector( '.speaker-controls-time' ),
 | 
	
		
			
				|  |  | +					clockEl = timeEl.querySelector( '.clock-value' ),
 | 
	
		
			
				|  |  | +					hoursEl = timeEl.querySelector( '.hours-value' ),
 | 
	
		
			
				|  |  | +					minutesEl = timeEl.querySelector( '.minutes-value' ),
 | 
	
		
			
				|  |  | +					secondsEl = timeEl.querySelector( '.seconds-value' );
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +				function _updateTimer() {
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +					var diff, hours, minutes, seconds,
 | 
	
		
			
				|  |  | +						now = new Date();
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +					diff = now.getTime() - start.getTime();
 | 
	
		
			
				|  |  | +					hours = Math.floor( diff / ( 1000 * 60 * 60 ) );
 | 
	
		
			
				|  |  | +					minutes = Math.floor( ( diff / ( 1000 * 60 ) ) % 60 );
 | 
	
		
			
				|  |  | +					seconds = Math.floor( ( diff / 1000 ) % 60 );
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +					clockEl.innerHTML = now.toLocaleTimeString( 'en-US', { hour12: true, hour: '2-digit', minute:'2-digit' } );
 | 
	
		
			
				|  |  | +					hoursEl.innerHTML = zeroPadInteger( hours );
 | 
	
		
			
				|  |  | +					hoursEl.className = hours > 0 ? '' : 'mute';
 | 
	
		
			
				|  |  | +					minutesEl.innerHTML = ':' + zeroPadInteger( minutes );
 | 
	
		
			
				|  |  | +					minutesEl.className = minutes > 0 ? '' : 'mute';
 | 
	
		
			
				|  |  | +					secondsEl.innerHTML = ':' + zeroPadInteger( seconds );
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +				}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +				// Update once directly
 | 
	
		
			
				|  |  | +				_updateTimer();
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +				// Then update every second
 | 
	
		
			
				|  |  | +				setInterval( _updateTimer, 1000 );
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +				timeEl.addEventListener( 'click', function() {
 | 
	
		
			
				|  |  | +					start = new Date();
 | 
	
		
			
				|  |  | +					_updateTimer();
 | 
	
		
			
				|  |  | +					return false;
 | 
	
		
			
				|  |  | +				} );
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +			}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +			function zeroPadInteger( num ) {
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +				var str = '00' + parseInt( num );
 | 
	
		
			
				|  |  | +				return str.substring( str.length - 2 );
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +			}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +			/**
 | 
	
		
			
				|  |  | +			 * Limits the frequency at which a function can be called.
 | 
	
		
			
				|  |  | +			 */
 | 
	
		
			
				|  |  | +			function debounce( fn, ms ) {
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +				var lastTime = 0,
 | 
	
		
			
				|  |  | +					timeout;
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +				return function() {
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +					var args = arguments;
 | 
	
		
			
				|  |  | +					var context = this;
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +					clearTimeout( timeout );
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +					var timeSinceLastCall = Date.now() - lastTime;
 | 
	
		
			
				|  |  | +					if( timeSinceLastCall > ms ) {
 | 
	
		
			
				|  |  | +						fn.apply( context, args );
 | 
	
		
			
				|  |  | +						lastTime = Date.now();
 | 
	
		
			
				|  |  | +					}
 | 
	
		
			
				|  |  | +					else {
 | 
	
		
			
				|  |  | +						timeout = setTimeout( function() {
 | 
	
		
			
				|  |  | +							fn.apply( context, args );
 | 
	
		
			
				|  |  | +							lastTime = Date.now();
 | 
	
		
			
				|  |  | +						}, ms - timeSinceLastCall );
 | 
	
		
			
				|  |  | +					}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +				}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +			}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +		})();
 | 
	
		
			
				|  |  |  		</script>
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  	</body>
 |