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(function() {
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	// Don't emit events from inside of notes windows
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	if ( window.location.search.match( /receiver/gi ) ) { return; }
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	var multiplex = Reveal.getConfig().multiplex;
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	var socket = io.connect( multiplex.url );
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	function post() {
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		var messageData = {
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			state: Reveal.getState(),
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			secret: multiplex.secret,
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			socketId: multiplex.id
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		};
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		socket.emit( 'multiplex-statechanged', messageData );
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	};
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	// post once the page is loaded, so the client follows also on "open URL".
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	window.addEventListener( 'load', post );
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	// Monitor events that trigger a change in state
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	Reveal.addEventListener( 'slidechanged', post );
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	Reveal.addEventListener( 'fragmentshown', post );
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	Reveal.addEventListener( 'fragmenthidden', post );
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	Reveal.addEventListener( 'overviewhidden', post );
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	Reveal.addEventListener( 'overviewshown', post );
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	Reveal.addEventListener( 'paused', post );
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	Reveal.addEventListener( 'resumed', post );
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}());
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