https://www.osteriamartinafranca.it/wp-content/themes/restabook/includes/js/smoothscroll.js?ver=1.0

1//
2// SmoothScroll for websites v1.4.10 (Balazs Galambosi)
3// http://www.smoothscroll.net/
4//
5// Licensed under the terms of the MIT license.
6//
7// You may use it in your theme if you credit me. 
8// It is also free to use on any individual website.
9//
10// Exception:
11// The only restriction is to not publish any  
12// extension for browsers or native application
13// without getting a written permission first.
14//
15
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16case B.home:if(at==document.body&&document.scrollingElement){at=document.scrollingElement}aw=-at.scrollTop;break;case B.end:var ax=at.scrollHeight-at.scrollTop;var av=ax-ar;aw=(av>0)?av+10:0;break;case B.left:ay=-I.arrowScroll;break;case B.right:ay=I.arrowScroll;break;default:return true}ag(at,ay,aw);e.preventDefault();r()}function w(e){h=e.target}var J=(function(){var e=0;return function(an){return an.uniqueID||(an.uniqueID=e++)}})();var o={};var n={};var ae;var al={};function r(){clearTimeout(ae);ae=setInterval(function(){o=n=al={}},1*1000)}function g(ap,ao,e){var an=e?o:n;for(var aq=ap.length;aq--;){an[J(ap[aq])]=ao}return ao}function j(an,e){return(e?o:n)[J(an)]}function Y(ar){var ao=[];var e=document.body;var an=K.scrollHeight;do{var aq=j(ar,false);if(aq){return g(ao,aq)}ao.push(ar);if(an===ar.scrollHeight){var at=W(K)&&W(e);var ap=at||N(K);if(C&&Z(K)||!C&&ap){return g(ao,D())}}else{if(Z(ar)&&N(ar)){return g(ao,ar)}}}while((ar=ar.parentElement))}function Z(e){return(e.clientHeight+10<e.scrollHeight)}function W(e){var an=getComputedStyle(e,"").getPropertyValue("overflow-y");return(an!=="hidden")}function N(e){var an=getComputedStyle(e,"").getPropertyValue("overflow-y");return(an==="scroll"||an==="auto")}function O(e){var ao=J(e);if(al[ao]==null){var an=getComputedStyle(e,"")["scroll-behavior"];al[ao]=("smooth"==an)}return al[ao]}function k(ao,an,e){window.addEventListener(ao,an,e||false)}function a(ao,an,e){window.removeEventListener(ao,an,e||false)}function s(an,e){return an&&(an.nodeName||"").toLowerCase()===e.toLowerCase()}function M(e,an){e=(e>0)?1:-1;an=(an>0)?1:-1;if(m.x!==e||m.y!==an){m.x=e;m.y=an;V=[];v=0}}if(window.localStorage&&localStorage.SS_deltaBuffer){try{ai=localStorage.SS_deltaBuffer.split(",")}catch(aj){}}function ak(e){if(!e){return}if(!ai.length){ai=[e,e,e]}e=Math.abs(e);ai.push(e);ai.shift();clearTimeout(i);i=setTimeout(function(){try{localStorage.SS_deltaBuffer=ai.join(",")}catch(ap){}},1000);var an=e>120&&F(e);var ao=!F(120)&&!F(100)&&!an;if(e<50){return true}return ao}function A(an,e){return(Math.floor(an/e)==an/e)}function F(e){return(A(ai[0],e)&&A(ai[1],e)&&A(ai[2],e))}function z(ao){var an=ao.target;var e=false;if(document.URL.indexOf("www.youtube.com/watch")!=-1){do{e=(an.classList&&an.classList.contains("html5-video-controls"));if(e){break}}while((an=an.parentNode))}return e}var U=(function(){return(window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||function(ao,an,e){window.setTimeout(ao,e||(1000/60))})})();var L=(window.MutationObserver||window.WebKitMutationObserver||window.MozMutationObserver);var D=(function(){var e=document.scrollingElement;return function(){if(!e){var ap=document.createElement("div");ap.style.cssText="height:10000px;width:1px;";document.body.appendChild(ap);var ao=document.body.scrollTop;var an=document.documentElement.scrollTop;window.scrollBy(0,3);if(document.body.scrollTop!=ao){(e=document.body)}else{(e=document.documentElement)}window.scrollBy(0,-3);document.body.removeChild(ap)}return e}})();function ab(e){var ao,ap,an;e=e*I.pulseScale;if(e<1){ao=e-(1-Math.exp(-e))}else{ap=Math.exp(-1);e-=1;an=1-Math.exp(-e);ao=ap+(an*(1-ap))}return ao*I.pulseNormalize}function p(e){if(e>=1){return 1}if(e<=0){return 0}if(I.pulseNormalize==1){I.pulseNormalize/=ab(1)}return ab(e)}var Q=window.navigator.userAgent;var aa=/Edge/.test(Q);var ah=/chrome/i.test(Q)&&!aa;var f=/safari/i.test(Q)&&!aa;var c=/firefox/i.test(Q);var P=/mobile/i.test(Q);var y=/Windows NT 6.1/i.test(Q)&&/rv:11/i.test(Q);var X=f&&(/Version\/8/i.test(Q)||/Version\/9/i.test(Q));var x=false;try{window.addEventListener("test",null,Object.defineProperty({},"passive",{get:function(){x=true}}))}catch(aj){}var E=x?{passive:false}:false;var S="onwheel" in document.createElement("div")?"wheel":"mousewheel";if(S){k(S,u,E);k("mousedown",w);k("load",af)}function q(an){for(var e in an){if(ac.hasOwnProperty(e)){I[e]=an[e]}}}q.destroy=d;if(window.SmoothScrollOptions){q(window.SmoothScrollOptions)}if(typeof define==="function"&&define.amd){define(function(){return q})}

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