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! ( function () {
	function o() {
		b.keyboardSupport && H( 'keydown', w );
	}

function q() {
		i && i.disconnect(),
			I( Y, v ),
			I( 'mousedown', x ),
			I( 'keydown', w ),
			I( 'resize', j ),
			I( 'load', p );
	}

function v( a ) {
		f || p();
		const c = a.target,
			d = D( c );
		if ( ! d || a.defaultPrevented || a.ctrlKey ) return ! 0;
		if (
			J( h, 'embed' ) ||
			( J( c, 'embed' ) && /\.pdf/i.test( c.src ) ) ||
			J( h, 'object' ) ||
			c.shadowRoot
		)
			return ! 0;
		let e = -a.wheelDeltaX || a.deltaX || 0,
			g = -a.wheelDeltaY || a.deltaY || 0;
		return (
			l &&
				( a.wheelDeltaX &&
					N( a.wheelDeltaX, 120 ) &&
					( e =
						-120 * ( a.wheelDeltaX / Math.abs( a.wheelDeltaX ) ) ),
				a.wheelDeltaY &&
					N( a.wheelDeltaY, 120 ) &&
					( g =
						-120 *
						( a.wheelDeltaY / Math.abs( a.wheelDeltaY ) ) ) ),
			e || g || ( g = -a.wheelDelta || 0 ),
			1 === a.deltaMode && ( ( e *= 40 ), ( g *= 40 ) ),
			! b.touchpadSupport && M( g )
				? ! 0
				: ( Math.abs( e ) > 1.2 && ( e *= b.stepSize / 120 ),
				  Math.abs( g ) > 1.2 && ( g *= b.stepSize / 120 ),
				  u( d, e, g ),
				  a.preventDefault(),
				  void B() )
		);
	}

function w( a ) {
		const c = a.target,
			d =
				a.ctrlKey ||
				a.altKey ||
				a.metaKey ||
				( a.shiftKey && a.keyCode !== m.spacebar );
		document.body.contains( h ) || ( h = document.activeElement );
		const e = /^(textarea|select|embed|object)$/i,
			f = /^(button|submit|radio|checkbox|file|color|image)$/i;
		if (
			a.defaultPrevented ||
			e.test( c.nodeName ) ||
			( J( c, 'input' ) && ! f.test( c.type ) ) ||
			J( h, 'video' ) ||
			P( a ) ||
			c.isContentEditable ||
			d
		)
			return ! 0;
		if (
			( J( c, 'button' ) || ( J( c, 'input' ) && f.test( c.type ) ) ) &&
			a.keyCode === m.spacebar
		)
			return ! 0;
		if ( J( c, 'input' ) && 'radio' == c.type && n[ a.keyCode ] )
			return ! 0;
		let g,
			i = 0,
			j = 0,
			k = D( h ),
			l = k.clientHeight;
		switch (
			( k == document.body && ( l = window.innerHeight ), a.keyCode )
		) {
			case m.up:
				j = -b.arrowScroll;
				break;
			case m.down:
				j = b.arrowScroll;
				break;
			case m.spacebar:
				( g = a.shiftKey ? 1 : -1 ), ( j = -g * l * 0.9 );
				break;
			case m.pageup:
				j = 0.9 * -l;
				break;
			case m.pagedown:
				j = 0.9 * l;
				break;
			case m.home:
				j = -k.scrollTop;
				break;
			case m.end:
				var o = k.scrollHeight - k.scrollTop - l;
				j = o > 0 ? o + 10 : 0;
				break;
			case m.left:
				i = -b.arrowScroll;
				break;
			case m.right:
				i = b.arrowScroll;
				break;
			default:
				return ! 0;
		}
		u( k, i, j ), a.preventDefault(), B();
	}

function x( a ) {
		h = a.target;
	}

function B() {
		clearTimeout( A ),
			( A = setInterval( function () {
				z = {};
			}, 1e3 ) );
	}

function C( a, b ) {
		for ( let c = a.length; c--;  ) z[ y( a[ c ] ) ] = b;
		return b;
	}

function E( a ) {
		return a.clientHeight + 10 < a.scrollHeight;
	}

function F( a ) {
		const b = getComputedStyle( a, '' ).getPropertyValue( 'overflow-y' );
		return 'hidden' !== b;
	}

function G( a ) {
		const b = getComputedStyle( a, '' ).getPropertyValue( 'overflow-y' );
		return 'scroll' === b || 'auto' === b;
	}

function H( a, b ) {
		window.addEventListener( a, b, ! 1 );
	}

function I( a, b ) {
		window.removeEventListener( a, b, ! 1 );
	}

function J( a, b ) {
		return ( a.nodeName || '' ).toLowerCase() === b.toLowerCase();
	}

function K( a, b ) {
		( a = a > 0 ? 1 : -1 ),
			( b = b > 0 ? 1 : -1 ),
			( e.x !== a || e.y !== b ) &&
				( ( e.x = a ), ( e.y = b ), ( r = [] ), ( t = 0 ) );
	}

function M( a ) {
		return a
			? ( k.length || ( k = [ a, a, a ] ),
			  ( a = Math.abs( a ) ),
			  k.push( a ),
			  k.shift(),
			  clearTimeout( L ),
			  ( L = setTimeout( function () {
					window.localStorage &&
						( localStorage.SS_deltaBuffer = k.join( ',' ) );
			  }, 1e3 ) ),
			  ! O( 120 ) && ! O( 100 ) )
			: void 0;
	}

function N( a, b ) {
		return Math.floor( a / b ) == a / b;
	}

function O( a ) {
		return N( k[ 0 ], a ) && N( k[ 1 ], a ) && N( k[ 2 ], a );
	}

function P( a ) {
		let b = a.target,
			c = ! 1;
		if ( -1 != document.URL.indexOf( 'www.youtube.com/watch' ) )
			do
				if (
					( c =
						b.classList &&
						b.classList.contains( 'html5-video-controls' ) )
				)
					break;
			while ( ( b = b.parentNode ) );
		return c;
	}

function T( a ) {
		let c, d, e;
		return (
			( a *= b.pulseScale ),
			1 > a
				? ( c = a - ( 1 - Math.exp( -a ) ) )
				: ( ( d = Math.exp( -1 ) ),
				  ( a -= 1 ),
				  ( e = 1 - Math.exp( -a ) ),
				  ( c = d + e * ( 1 - d ) ) ),
			c * b.pulseNormalize
		);
	}

function U( a ) {
		return a >= 1
			? 1
			: 0 >= a
			? 0
			: ( 1 == b.pulseNormalize && ( b.pulseNormalize /= T( 1 ) ),
			  T( a ) );
	}