| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950 | (function() {	// don't emit events from inside the previews themselves	if ( window.location.search.match( /receiver/gi ) ) { return; }	var multiplex = Reveal.getConfig().multiplex;	var socket = io.connect(multiplex.url);	var notify = function( slideElement, indexh, indexv, origin ) {		if( typeof origin === 'undefined' && origin !== 'remote' ) {			var nextindexh;			var nextindexv;			var fragmentindex = Reveal.getIndices().f;			if (typeof fragmentindex == 'undefined') {				fragmentindex = 0;			}			if (slideElement.nextElementSibling && slideElement.parentNode.nodeName == 'SECTION') {				nextindexh = indexh;				nextindexv = indexv + 1;			} else {				nextindexh = indexh + 1;				nextindexv = 0;			}			var slideData = {				indexh : indexh,				indexv : indexv,				indexf : fragmentindex,				nextindexh : nextindexh,				nextindexv : nextindexv,				secret: multiplex.secret,				socketId : multiplex.id			};			socket.emit('slidechanged', slideData);		}	}	Reveal.addEventListener( 'slidechanged', function( event ) {		notify( event.currentSlide, event.indexh, event.indexv, event.origin );	} );	var fragmentNotify = function( event ) {		notify( Reveal.getCurrentSlide(), Reveal.getIndices().h, Reveal.getIndices().v, event.origin );	};	Reveal.addEventListener( 'fragmentshown', fragmentNotify );	Reveal.addEventListener( 'fragmenthidden', fragmentNotify );}());
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