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/*!
* Customized version of iScroll.js 0.0.1
* It fixes bugs affecting its integration with fullpage.js
*/
/*! iScroll v5.2.0 ~ (c) 2008-2016 Matteo Spinelli ~ http://cubiq.org/license */
(function(g,q,f){function p(a,b){this.wrapper="string"==typeof a?q.querySelector(a):a;this.scroller=this.wrapper.children[0];this.scrollerStyle=this.scroller.style;this.options={resizeScrollbars:!0,mouseWheelSpeed:20,snapThreshold:.334,disablePointer:!d.hasPointer,disableTouch:d.hasPointer||!d.hasTouch,disableMouse:d.hasPointer||d.hasTouch,startX:0,startY:0,scrollY:!0,directionLockThreshold:5,momentum:!0,bounce:!0,bounceTime:600,bounceEasing:"",preventDefault:!0,preventDefaultException:{tagName:/^(INPUT|TEXTAREA|BUTTON|SELECT|LABEL)$/},
HWCompositing:!0,useTransition:!0,useTransform:!0,bindToWrapper:"undefined"===typeof g.onmousedown};for(var c in b)this.options[c]=b[c];this.translateZ=this.options.HWCompositing&&d.hasPerspective?" translateZ(0)":"";this.options.useTransition=d.hasTransition&&this.options.useTransition;this.options.useTransform=d.hasTransform&&this.options.useTransform;this.options.eventPassthrough=!0===this.options.eventPassthrough?"vertical":this.options.eventPassthrough;this.options.preventDefault=!this.options.eventPassthrough&&
this.options.preventDefault;this.options.scrollY="vertical"==this.options.eventPassthrough?!1:this.options.scrollY;this.options.scrollX="horizontal"==this.options.eventPassthrough?!1:this.options.scrollX;this.options.freeScroll=this.options.freeScroll&&!this.options.eventPassthrough;this.options.directionLockThreshold=this.options.eventPassthrough?0:this.options.directionLockThreshold;this.options.bounceEasing="string"==typeof this.options.bounceEasing?d.ease[this.options.bounceEasing]||d.ease.circular:
this.options.bounceEasing;this.options.resizePolling=void 0===this.options.resizePolling?60:this.options.resizePolling;!0===this.options.tap&&(this.options.tap="tap");this.options.useTransition||this.options.useTransform||/relative|absolute/i.test(this.scrollerStyle.position)||(this.scrollerStyle.position="relative");"scale"==this.options.shrinkScrollbars&&(this.options.useTransition=!1);this.options.invertWheelDirection=this.options.invertWheelDirection?-1:1;this.directionY=this.directionX=this.y=
this.x=0;this._events={};this._init();this.refresh();this.scrollTo(this.options.startX,this.options.startY);this.enable()}function u(a,b,c){var e=q.createElement("div"),d=q.createElement("div");!0===c&&(e.style.cssText="position:absolute;z-index:9999",d.style.cssText="-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;position:absolute;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.9);border-radius:3px");d.className="iScrollIndicator";"h"==a?(!0===c&&(e.style.cssText+=
";height:7px;left:2px;right:2px;bottom:0",d.style.height="100%"),e.className="iScrollHorizontalScrollbar"):(!0===c&&(e.style.cssText+=";width:7px;bottom:2px;top:2px;right:1px",d.style.width="100%"),e.className="iScrollVerticalScrollbar");e.style.cssText+=";overflow:hidden";b||(e.style.pointerEvents="none");e.appendChild(d);return e}function v(a,b){this.wrapper="string"==typeof b.el?q.querySelector(b.el):b.el;this.wrapperStyle=this.wrapper.style;this.indicator=this.wrapper.children[0];this.indicatorStyle=
this.indicator.style;this.scroller=a;this.options={listenX:!0,listenY:!0,interactive:!1,resize:!0,defaultScrollbars:!1,shrink:!1,fade:!1,speedRatioX:0,speedRatioY:0};for(var c in b)this.options[c]=b[c];this.sizeRatioY=this.sizeRatioX=1;this.maxPosY=this.maxPosX=0;this.options.interactive&&(this.options.disableTouch||(d.addEvent(this.indicator,"touchstart",this),d.addEvent(g,"touchend",this)),this.options.disablePointer||(d.addEvent(this.indicator,d.prefixPointerEvent("pointerdown"),this),d.addEvent(g,
d.prefixPointerEvent("pointerup"),this)),this.options.disableMouse||(d.addEvent(this.indicator,"mousedown",this),d.addEvent(g,"mouseup",this)));if(this.options.fade){this.wrapperStyle[d.style.transform]=this.scroller.translateZ;var e=d.style.transitionDuration;if(e){this.wrapperStyle[e]=d.isBadAndroid?"0.0001ms":"0ms";var f=this;d.isBadAndroid&&t(function(){"0.0001ms"===f.wrapperStyle[e]&&(f.wrapperStyle[e]="0s")});this.wrapperStyle.opacity="0"}}}var t=g.requestAnimationFrame||g.webkitRequestAnimationFrame||
g.mozRequestAnimationFrame||g.oRequestAnimationFrame||g.msRequestAnimationFrame||function(a){g.setTimeout(a,1E3/60)},d=function(){function a(a){return!1===e?!1:""===e?a:e+a.charAt(0).toUpperCase()+a.substr(1)}var b={},c=q.createElement("div").style,e=function(){for(var a=["t","webkitT","MozT","msT","OT"],b,e=0,d=a.length;e<d;e++)if(b=a[e]+"ransform",b in c)return a[e].substr(0,a[e].length-1);return!1}();b.getTime=Date.now||function(){return(new Date).getTime()};b.extend=function(a,b){for(var c in b)a[c]=
b[c]};b.addEvent=function(a,b,c,e){a.addEventListener(b,c,!!e)};b.removeEvent=function(a,b,c,e){a.removeEventListener(b,c,!!e)};b.prefixPointerEvent=function(a){return g.MSPointerEvent?"MSPointer"+a.charAt(7).toUpperCase()+a.substr(8):a};b.momentum=function(a,b,c,e,d,k){b=a-b;c=f.abs(b)/c;var g;k=void 0===k?6E-4:k;g=a+c*c/(2*k)*(0>b?-1:1);k=c/k;g<e?(g=d?e-d/2.5*(c/8):e,b=f.abs(g-a),k=b/c):0<g&&(g=d?d/2.5*(c/8):0,b=f.abs(a)+g,k=b/c);return{destination:f.round(g),duration:k}};var d=a("transform");b.extend(b,
{hasTransform:!1!==d,hasPerspective:a("perspective")in c,hasTouch:"ontouchstart"in g,hasPointer:!(!g.PointerEvent&&!g.MSPointerEvent),hasTransition:a("transition")in c});b.isBadAndroid=function(){var a=g.navigator.appVersion;return/Android/.test(a)&&!/Chrome\/\d/.test(a)?(a=a.match(/Safari\/(\d+.\d)/))&&"object"===typeof a&&2<=a.length?535.19>parseFloat(a[1]):!0:!1}();b.extend(b.style={},{transform:d,transitionTimingFunction:a("transitionTimingFunction"),transitionDuration:a("transitionDuration"),
transitionDelay:a("transitionDelay"),transformOrigin:a("transformOrigin")});b.hasClass=function(a,b){return(new RegExp("(^|\\s)"+b+"(\\s|$)")).test(a.className)};b.addClass=function(a,c){if(!b.hasClass(a,c)){var e=a.className.split(" ");e.push(c);a.className=e.join(" ")}};b.removeClass=function(a,c){b.hasClass(a,c)&&(a.className=a.className.replace(new RegExp("(^|\\s)"+c+"(\\s|$)","g")," "))};b.offset=function(a){for(var b=-a.offsetLeft,c=-a.offsetTop;a=a.offsetParent;)b-=a.offsetLeft,c-=a.offsetTop;
return{left:b,top:c}};b.preventDefaultException=function(a,b){for(var c in b)if(b[c].test(a[c]))return!0;return!1};b.extend(b.eventType={},{touchstart:1,touchmove:1,touchend:1,mousedown:2,mousemove:2,mouseup:2,pointerdown:3,pointermove:3,pointerup:3,MSPointerDown:3,MSPointerMove:3,MSPointerUp:3});b.extend(b.ease={},{quadratic:{style:"cubic-bezier(0.25, 0.46, 0.45, 0.94)",fn:function(a){return a*(2-a)}},circular:{style:"cubic-bezier(0.1, 0.57, 0.1, 1)",fn:function(a){return f.sqrt(1- --a*a)}},back:{style:"cubic-bezier(0.175, 0.885, 0.32, 1.275)",
fn:function(a){return--a*a*(5*a+4)+1}},bounce:{style:"",fn:function(a){return(a/=1)<1/2.75?7.5625*a*a:a<2/2.75?7.5625*(a-=1.5/2.75)*a+.75:a<2.5/2.75?7.5625*(a-=2.25/2.75)*a+.9375:7.5625*(a-=2.625/2.75)*a+.984375}},elastic:{style:"",fn:function(a){return 0===a?0:1==a?1:.4*f.pow(2,-10*a)*f.sin(2*(a-.055)*f.PI/.22)+1}}});b.tap=function(a,b){var c=q.createEvent("Event");c.initEvent(b,!0,!0);c.pageX=a.pageX;c.pageY=a.pageY;a.target.dispatchEvent(c)};b.click=function(a){var b=a.target,c;/(SELECT|INPUT|TEXTAREA)/i.test(b.tagName)||
(c=q.createEvent(g.MouseEvent?"MouseEvents":"Event"),c.initEvent("click",!0,!0),c.view=a.view||g,c.detail=1,c.screenX=b.screenX||0,c.screenY=b.screenY||0,c.clientX=b.clientX||0,c.clientY=b.clientY||0,c.ctrlKey=!!a.ctrlKey,c.altKey=!!a.altKey,c.shiftKey=!!a.shiftKey,c.metaKey=!!a.metaKey,c.button=0,c.relatedTarget=null,c._constructed=!0,b.dispatchEvent(c))};return b}();p.prototype={version:"5.2.0",_init:function(){this._initEvents();(this.options.scrollbars||this.options.indicators)&&this._initIndicators();
this.options.mouseWheel&&this._initWheel();this.options.snap&&this._initSnap();this.options.keyBindings&&this._initKeys()},destroy:function(){this._initEvents(!0);clearTimeout(this.resizeTimeout);this.resizeTimeout=null;this._execEvent("destroy")},_transitionEnd:function(a){a.target==this.scroller&&this.isInTransition&&(this._transitionTime(),this.resetPosition(this.options.bounceTime)||(this.isInTransition=!1,this._execEvent("scrollEnd")))},_start:function(a){if(!(1!=d.eventType[a.type]&&0!==(a.which?
a.button:2>a.button?0:4==a.button?1:2)||!this.enabled||this.initiated&&d.eventType[a.type]!==this.initiated)){!this.options.preventDefault||d.isBadAndroid||d.preventDefaultException(a.target,this.options.preventDefaultException)||a.preventDefault();var b=a.touches?a.touches[0]:a;this.initiated=d.eventType[a.type];this.moved=!1;this.directionLocked=this.directionY=this.directionX=this.distY=this.distX=0;this.startTime=d.getTime();this.options.useTransition&&this.isInTransition?(this._transitionTime(),
this.isInTransition=!1,a=this.getComputedPosition(),this._translate(f.round(a.x),f.round(a.y)),this._execEvent("scrollEnd")):!this.options.useTransition&&this.isAnimating&&(this.isAnimating=!1,this._execEvent("scrollEnd"));this.startX=this.x;this.startY=this.y;this.absStartX=this.x;this.absStartY=this.y;this.pointX=b.pageX;this.pointY=b.pageY;this._execEvent("beforeScrollStart")}},_move:function(a){if(this.enabled&&d.eventType[a.type]===this.initiated){this.options.preventDefault&&a.preventDefault();
var b=a.touches?a.touches[0]:a,c=b.pageX-this.pointX,e=b.pageY-this.pointY,k=d.getTime(),h;this.pointX=b.pageX;this.pointY=b.pageY;this.distX+=c;this.distY+=e;b=f.abs(this.distX);h=f.abs(this.distY);if(!(300<k-this.endTime&&10>b&&10>h)){this.directionLocked||this.options.freeScroll||(this.directionLocked=b>h+this.options.directionLockThreshold?"h":h>=b+this.options.directionLockThreshold?"v":"n");if("h"==this.directionLocked){if("vertical"==this.options.eventPassthrough)a.preventDefault();else if("horizontal"==
this.options.eventPassthrough){this.initiated=!1;return}e=0}else if("v"==this.directionLocked){if("horizontal"==this.options.eventPassthrough)a.preventDefault();else if("vertical"==this.options.eventPassthrough){this.initiated=!1;return}c=0}c=this.hasHorizontalScroll?c:0;e=this.hasVerticalScroll?e:0;a=this.x+c;b=this.y+e;if(0<a||a<this.maxScrollX)a=this.options.bounce?this.x+c/3:0<a?0:this.maxScrollX;if(0<b||b<this.maxScrollY)b=this.options.bounce?this.y+e/3:0<b?0:this.maxScrollY;this.directionX=
0<c?-1:0>c?1:0;this.directionY=0<e?-1:0>e?1:0;this.moved||this._execEvent("scrollStart");this.moved=!0;this._translate(a,b);300<k-this.startTime&&(this.startTime=k,this.startX=this.x,this.startY=this.y)}}},_end:function(a){if(this.enabled&&d.eventType[a.type]===this.initiated){this.options.preventDefault&&!d.preventDefaultException(a.target,this.options.preventDefaultException)&&a.preventDefault();var b,c;c=d.getTime()-this.startTime;var e=f.round(this.x),k=f.round(this.y),h=f.abs(e-this.startX),
g=f.abs(k-this.startY);b=0;var l="";this.initiated=this.isInTransition=0;this.endTime=d.getTime();if(!this.resetPosition(this.options.bounceTime))if(this.scrollTo(e,k),this.moved)if(this._events.flick&&200>c&&100>h&&100>g)this._execEvent("flick");else if(this.options.momentum&&300>c&&(b=this.hasHorizontalScroll?d.momentum(this.x,this.startX,c,this.maxScrollX,this.options.bounce?this.wrapperWidth:0,this.options.deceleration):{destination:e,duration:0},c=this.hasVerticalScroll?d.momentum(this.y,this.startY,
c,this.maxScrollY,this.options.bounce?this.wrapperHeight:0,this.options.deceleration):{destination:k,duration:0},e=b.destination,k=c.destination,b=f.max(b.duration,c.duration),this.isInTransition=1),this.options.snap&&(this.currentPage=l=this._nearestSnap(e,k),b=this.options.snapSpeed||f.max(f.max(f.min(f.abs(e-l.x),1E3),f.min(f.abs(k-l.y),1E3)),300),e=l.x,k=l.y,this.directionY=this.directionX=0,l=this.options.bounceEasing),e!=this.x||k!=this.y){if(0<e||e<this.maxScrollX||0<k||k<this.maxScrollY)l=
d.ease.quadratic;this.scrollTo(e,k,b,l)}else this._execEvent("scrollEnd");else this.options.tap&&d.tap(a,this.options.tap),this.options.click&&d.click(a),this._execEvent("scrollCancel")}},_resize:function(){var a=this;clearTimeout(this.resizeTimeout);this.resizeTimeout=setTimeout(function(){a.refresh()},this.options.resizePolling)},resetPosition:function(a){var b=this.x,c=this.y;!this.hasHorizontalScroll||0<this.x?b=0:this.x<this.maxScrollX&&(b=this.maxScrollX);!this.hasVerticalScroll||0<this.y?c=
0:this.y<this.maxScrollY&&(c=this.maxScrollY);if(b==this.x&&c==this.y)return!1;this.scrollTo(b,c,a||0,this.options.bounceEasing);return!0},disable:function(){this.enabled=!1},enable:function(){this.enabled=!0},refresh:function(){this.wrapperWidth=this.wrapper.clientWidth;this.wrapperHeight=this.wrapper.clientHeight;this.scrollerWidth=this.scroller.offsetWidth;this.scrollerHeight=this.scroller.offsetHeight;this.maxScrollX=this.wrapperWidth-this.scrollerWidth;this.maxScrollY=this.wrapperHeight-this.scrollerHeight;
this.hasHorizontalScroll=this.options.scrollX&&0>this.maxScrollX;this.hasVerticalScroll=this.options.scrollY&&0>this.maxScrollY;this.hasHorizontalScroll||(this.maxScrollX=0,this.scrollerWidth=this.wrapperWidth);this.hasVerticalScroll||(this.maxScrollY=0,this.scrollerHeight=this.wrapperHeight);this.directionY=this.directionX=this.endTime=0;this.wrapperOffset=d.offset(this.wrapper);this._execEvent("refresh");this.resetPosition()},on:function(a,b){this._events[a]||(this._events[a]=[]);this._events[a].push(b)},
off:function(a,b){if(this._events[a]){var c=this._events[a].indexOf(b);-1<c&&this._events[a].splice(c,1)}},_execEvent:function(a){if(this._events[a]){var b=0,c=this._events[a].length;if(c)for(;b<c;b++)this._events[a][b].apply(this,[].slice.call(arguments,1))}},scrollBy:function(a,b,c,e){a=this.x+a;b=this.y+b;this.scrollTo(a,b,c||0,e)},scrollTo:function(a,b,c,e){e=e||d.ease.circular;this.isInTransition=this.options.useTransition&&0<c;var f=this.options.useTransition&&e.style;!c||f?(f&&(this._transitionTimingFunction(e.style),
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h.top;b=void 0===b||null===b||"auto"===b?f.max(f.abs(this.x-h.left),f.abs(this.y-h.top)):b;this.scrollTo(h.left,h.top,b,k)}},_transitionTime:function(a){if(this.options.useTransition){a=a||0;var b=d.style.transitionDuration;if(b){this.scrollerStyle[b]=a+"ms";if(!a&&d.isBadAndroid){this.scrollerStyle[b]="0.0001ms";var c=this;t(function(){"0.0001ms"===c.scrollerStyle[b]&&(c.scrollerStyle[b]="0s")})}if(this.indicators)for(var e=this.indicators.length;e--;)this.indicators[e].transitionTime(a)}}},_transitionTimingFunction:function(a){this.scrollerStyle[d.style.transitionTimingFunction]=
a;if(this.indicators)for(var b=this.indicators.length;b--;)this.indicators[b].transitionTimingFunction(a)},_translate:function(a,b){this.options.useTransform?this.scrollerStyle[d.style.transform]="translate("+a+"px,"+b+"px)"+this.translateZ:(a=f.round(a),b=f.round(b),this.scrollerStyle.left=a+"px",this.scrollerStyle.top=b+"px");this.x=a;this.y=b;if(this.indicators)for(var c=this.indicators.length;c--;)this.indicators[c].updatePosition()},_initEvents:function(a){a=a?d.removeEvent:d.addEvent;var b=
this.options.bindToWrapper?this.wrapper:g;a(g,"orientationchange",this);a(g,"resize",this);this.options.click&&a(this.wrapper,"click",this,!0);this.options.disableMouse||(a(this.wrapper,"mousedown",this),a(b,"mousemove",this),a(b,"mousecancel",this),a(b,"mouseup",this));d.hasPointer&&!this.options.disablePointer&&(a(this.wrapper,d.prefixPointerEvent("pointerdown"),this),a(b,d.prefixPointerEvent("pointermove"),this),a(b,d.prefixPointerEvent("pointercancel"),this),a(b,d.prefixPointerEvent("pointerup"),
this));d.hasTouch&&!this.options.disableTouch&&(a(this.wrapper,"touchstart",this),a(b,"touchmove",this),a(b,"touchcancel",this),a(b,"touchend",this));a(this.scroller,"transitionend",this);a(this.scroller,"webkitTransitionEnd",this);a(this.scroller,"oTransitionEnd",this);a(this.scroller,"MSTransitionEnd",this)},getComputedPosition:function(){var a=g.getComputedStyle(this.scroller,null),b;this.options.useTransform?(a=a[d.style.transform].split(")")[0].split(", "),b=+(a[12]||a[4]),a=+(a[13]||a[5])):
(b=+a.left.replace(/[^-\d.]/g,""),a=+a.top.replace(/[^-\d.]/g,""));return{x:b,y:a}},_initIndicators:function(){function a(a){if(f.indicators)for(var b=f.indicators.length;b--;)a.call(f.indicators[b])}var b=this.options.interactiveScrollbars,c="string"!=typeof this.options.scrollbars,e=[],d,f=this;this.indicators=[];this.options.scrollbars&&(this.options.scrollY&&(d={el:u("v",b,this.options.scrollbars),interactive:b,defaultScrollbars:!0,customStyle:c,resize:this.options.resizeScrollbars,shrink:this.options.shrinkScrollbars,
fade:this.options.fadeScrollbars,listenX:!1},this.wrapper.appendChild(d.el),e.push(d)),this.options.scrollX&&(d={el:u("h",b,this.options.scrollbars),interactive:b,defaultScrollbars:!0,customStyle:c,resize:this.options.resizeScrollbars,shrink:this.options.shrinkScrollbars,fade:this.options.fadeScrollbars,listenY:!1},this.wrapper.appendChild(d.el),e.push(d)));this.options.indicators&&(e=e.concat(this.options.indicators));for(b=e.length;b--;)this.indicators.push(new v(this,e[b]));this.options.fadeScrollbars&&
(this.on("scrollEnd",function(){a(function(){this.fade()})}),this.on("scrollCancel",function(){a(function(){this.fade()})}),this.on("scrollStart",function(){a(function(){this.fade(1)})}),this.on("beforeScrollStart",function(){a(function(){this.fade(1,!0)})}));this.on("refresh",function(){a(function(){this.refresh()})});this.on("destroy",function(){a(function(){this.destroy()});delete this.indicators})},_initWheel:function(){d.addEvent(this.wrapper,"wheel",this);d.addEvent(this.wrapper,"mousewheel",
this);d.addEvent(this.wrapper,"DOMMouseScroll",this);this.on("destroy",function(){clearTimeout(this.wheelTimeout);this.wheelTimeout=null;d.removeEvent(this.wrapper,"wheel",this);d.removeEvent(this.wrapper,"mousewheel",this);d.removeEvent(this.wrapper,"DOMMouseScroll",this)})},_wheel:function(a){if(this.enabled){var b,c,e,d=this;void 0===this.wheelTimeout&&d._execEvent("scrollStart");clearTimeout(this.wheelTimeout);this.wheelTimeout=setTimeout(function(){d.options.snap||d._execEvent("scrollEnd");d.wheelTimeout=
void 0},400);if("deltaX"in a)1===a.deltaMode?(b=-a.deltaX*this.options.mouseWheelSpeed,a=-a.deltaY*this.options.mouseWheelSpeed):(b=-a.deltaX,a=-a.deltaY);else if("wheelDeltaX"in a)b=a.wheelDeltaX/120*this.options.mouseWheelSpeed,a=a.wheelDeltaY/120*this.options.mouseWheelSpeed;else if("wheelDelta"in a)b=a=a.wheelDelta/120*this.options.mouseWheelSpeed;else if("detail"in a)b=a=-a.detail/3*this.options.mouseWheelSpeed;else return;b*=this.options.invertWheelDirection;a*=this.options.invertWheelDirection;
this.hasVerticalScroll||(b=a,a=0);this.options.snap?(c=this.currentPage.pageX,e=this.currentPage.pageY,0<b?c--:0>b&&c++,0<a?e--:0>a&&e++,this.goToPage(c,e)):(c=this.x+f.round(this.hasHorizontalScroll?b:0),e=this.y+f.round(this.hasVerticalScroll?a:0),this.directionX=0<b?-1:0>b?1:0,this.directionY=0<a?-1:0>a?1:0,0<c?c=0:c<this.maxScrollX&&(c=this.maxScrollX),0<e?e=0:e<this.maxScrollY&&(e=this.maxScrollY),this.scrollTo(c,e,0))}},_initSnap:function(){this.currentPage={};"string"==typeof this.options.snap&&
(this.options.snap=this.scroller.querySelectorAll(this.options.snap));this.on("refresh",function(){var a=0,b,c=0,e,d,g,n=0,l;e=this.options.snapStepX||this.wrapperWidth;var m=this.options.snapStepY||this.wrapperHeight;this.pages=[];if(this.wrapperWidth&&this.wrapperHeight&&this.scrollerWidth&&this.scrollerHeight){if(!0===this.options.snap)for(d=f.round(e/2),g=f.round(m/2);n>-this.scrollerWidth;){this.pages[a]=[];for(l=b=0;l>-this.scrollerHeight;)this.pages[a][b]={x:f.max(n,this.maxScrollX),y:f.max(l,
this.maxScrollY),width:e,height:m,cx:n-d,cy:l-g},l-=m,b++;n-=e;a++}else for(m=this.options.snap,b=m.length,e=-1;a<b;a++){if(0===a||m[a].offsetLeft<=m[a-1].offsetLeft)c=0,e++;this.pages[c]||(this.pages[c]=[]);n=f.max(-m[a].offsetLeft,this.maxScrollX);l=f.max(-m[a].offsetTop,this.maxScrollY);d=n-f.round(m[a].offsetWidth/2);g=l-f.round(m[a].offsetHeight/2);this.pages[c][e]={x:n,y:l,width:m[a].offsetWidth,height:m[a].offsetHeight,cx:d,cy:g};n>this.maxScrollX&&c++}this.goToPage(this.currentPage.pageX||
0,this.currentPage.pageY||0,0);0===this.options.snapThreshold%1?this.snapThresholdY=this.snapThresholdX=this.options.snapThreshold:(this.snapThresholdX=f.round(this.pages[this.currentPage.pageX][this.currentPage.pageY].width*this.options.snapThreshold),this.snapThresholdY=f.round(this.pages[this.currentPage.pageX][this.currentPage.pageY].height*this.options.snapThreshold))}});this.on("flick",function(){var a=this.options.snapSpeed||f.max(f.max(f.min(f.abs(this.x-this.startX),1E3),f.min(f.abs(this.y-
this.startY),1E3)),300);this.goToPage(this.currentPage.pageX+this.directionX,this.currentPage.pageY+this.directionY,a)})},_nearestSnap:function(a,b){if(!this.pages.length)return{x:0,y:0,pageX:0,pageY:0};var c=0,e=this.pages.length,d=0;if(f.abs(a-this.absStartX)<this.snapThresholdX&&f.abs(b-this.absStartY)<this.snapThresholdY)return this.currentPage;0<a?a=0:a<this.maxScrollX&&(a=this.maxScrollX);0<b?b=0:b<this.maxScrollY&&(b=this.maxScrollY);for(;c<e;c++)if(a>=this.pages[c][0].cx){a=this.pages[c][0].x;
break}for(e=this.pages[c].length;d<e;d++)if(b>=this.pages[0][d].cy){b=this.pages[0][d].y;break}c==this.currentPage.pageX&&(c+=this.directionX,0>c?c=0:c>=this.pages.length&&(c=this.pages.length-1),a=this.pages[c][0].x);d==this.currentPage.pageY&&(d+=this.directionY,0>d?d=0:d>=this.pages[0].length&&(d=this.pages[0].length-1),b=this.pages[0][d].y);return{x:a,y:b,pageX:c,pageY:d}},goToPage:function(a,b,c,d){d=d||this.options.bounceEasing;a>=this.pages.length?a=this.pages.length-1:0>a&&(a=0);b>=this.pages[a].length?
b=this.pages[a].length-1:0>b&&(b=0);var g=this.pages[a][b].x,h=this.pages[a][b].y;c=void 0===c?this.options.snapSpeed||f.max(f.max(f.min(f.abs(g-this.x),1E3),f.min(f.abs(h-this.y),1E3)),300):c;this.currentPage={x:g,y:h,pageX:a,pageY:b};this.scrollTo(g,h,c,d)},next:function(a,b){var c=this.currentPage.pageX,d=this.currentPage.pageY;c++;c>=this.pages.length&&this.hasVerticalScroll&&(c=0,d++);this.goToPage(c,d,a,b)},prev:function(a,b){var c=this.currentPage.pageX,d=this.currentPage.pageY;c--;0>c&&this.hasVerticalScroll&&
(c=0,d--);this.goToPage(c,d,a,b)},_initKeys:function(a){a={pageUp:33,pageDown:34,end:35,home:36,left:37,up:38,right:39,down:40};var b;if("object"==typeof this.options.keyBindings)for(b in this.options.keyBindings)"string"==typeof this.options.keyBindings[b]&&(this.options.keyBindings[b]=this.options.keyBindings[b].toUpperCase().charCodeAt(0));else this.options.keyBindings={};for(b in a)this.options.keyBindings[b]=this.options.keyBindings[b]||a[b];d.addEvent(g,"keydown",this);this.on("destroy",function(){d.removeEvent(g,
"keydown",this)})},_key:function(a){if(this.enabled){var b=this.options.snap,c=b?this.currentPage.pageX:this.x,e=b?this.currentPage.pageY:this.y,g=d.getTime(),h=this.keyTime||0,n;this.options.useTransition&&this.isInTransition&&(n=this.getComputedPosition(),this._translate(f.round(n.x),f.round(n.y)),this.isInTransition=!1);this.keyAcceleration=200>g-h?f.min(this.keyAcceleration+.25,50):0;switch(a.keyCode){case this.options.keyBindings.pageUp:this.hasHorizontalScroll&&!this.hasVerticalScroll?c+=b?
1:this.wrapperWidth:e+=b?1:this.wrapperHeight;break;case this.options.keyBindings.pageDown:this.hasHorizontalScroll&&!this.hasVerticalScroll?c-=b?1:this.wrapperWidth:e-=b?1:this.wrapperHeight;break;case this.options.keyBindings.end:c=b?this.pages.length-1:this.maxScrollX;e=b?this.pages[0].length-1:this.maxScrollY;break;case this.options.keyBindings.home:e=c=0;break;case this.options.keyBindings.left:c+=b?-1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.up:e+=b?1:5+this.keyAcceleration>>
0;break;case this.options.keyBindings.right:c-=b?-1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.down:e-=b?1:5+this.keyAcceleration>>0;break;default:return}b?this.goToPage(c,e):(0<c?this.keyAcceleration=c=0:c<this.maxScrollX&&(c=this.maxScrollX,this.keyAcceleration=0),0<e?this.keyAcceleration=e=0:e<this.maxScrollY&&(e=this.maxScrollY,this.keyAcceleration=0),this.scrollTo(c,e,0),this.keyTime=g)}},_animate:function(a,b,c,e){function f(){var r=d.getTime(),p;r>=q?(g.isAnimating=!1,g._translate(a,
b),g.resetPosition(g.options.bounceTime)||g._execEvent("scrollEnd")):(r=(r-m)/c,p=e(r),r=(a-n)*p+n,p=(b-l)*p+l,g._translate(r,p),g.isAnimating&&t(f))}var g=this,n=this.x,l=this.y,m=d.getTime(),q=m+c;this.isAnimating=!0;f()},handleEvent:function(a){switch(a.type){case "touchstart":case "pointerdown":case "MSPointerDown":case "mousedown":this._start(a);break;case "touchmove":case "pointermove":case "MSPointerMove":case "mousemove":this._move(a);break;case "touchend":case "pointerup":case "MSPointerUp":case "mouseup":case "touchcancel":case "pointercancel":case "MSPointerCancel":case "mousecancel":this._end(a);
break;case "orientationchange":case "resize":this._resize();break;case "transitionend":case "webkitTransitionEnd":case "oTransitionEnd":case "MSTransitionEnd":this._transitionEnd(a);break;case "wheel":case "DOMMouseScroll":case "mousewheel":this._wheel(a);break;case "keydown":this._key(a);break;case "click":this.enabled&&!a._constructed&&(a.preventDefault(),a.stopPropagation())}}};v.prototype={handleEvent:function(a){switch(a.type){case "touchstart":case "pointerdown":case "MSPointerDown":case "mousedown":this._start(a);
break;case "touchmove":case "pointermove":case "MSPointerMove":case "mousemove":this._move(a);break;case "touchend":case "pointerup":case "MSPointerUp":case "mouseup":case "touchcancel":case "pointercancel":case "MSPointerCancel":case "mousecancel":this._end(a)}},destroy:function(){this.options.fadeScrollbars&&(clearTimeout(this.fadeTimeout),this.fadeTimeout=null);this.options.interactive&&(d.removeEvent(this.indicator,"touchstart",this),d.removeEvent(this.indicator,d.prefixPointerEvent("pointerdown"),
this),d.removeEvent(this.indicator,"mousedown",this),d.removeEvent(g,"touchmove",this),d.removeEvent(g,d.prefixPointerEvent("pointermove"),this),d.removeEvent(g,"mousemove",this),d.removeEvent(g,"touchend",this),d.removeEvent(g,d.prefixPointerEvent("pointerup"),this),d.removeEvent(g,"mouseup",this));this.options.defaultScrollbars&&this.wrapper.parentNode.removeChild(this.wrapper)},_start:function(a){var b=a.touches?a.touches[0]:a;a.preventDefault();a.stopPropagation();this.transitionTime();this.initiated=
!0;this.moved=!1;this.lastPointX=b.pageX;this.lastPointY=b.pageY;this.startTime=d.getTime();this.options.disableTouch||d.addEvent(g,"touchmove",this);this.options.disablePointer||d.addEvent(g,d.prefixPointerEvent("pointermove"),this);this.options.disableMouse||d.addEvent(g,"mousemove",this);this.scroller._execEvent("beforeScrollStart")},_move:function(a){var b=a.touches?a.touches[0]:a,c,e;d.getTime();this.moved||this.scroller._execEvent("scrollStart");this.moved=!0;c=b.pageX-this.lastPointX;this.lastPointX=
b.pageX;e=b.pageY-this.lastPointY;this.lastPointY=b.pageY;this._pos(this.x+c,this.y+e);a.preventDefault();a.stopPropagation()},_end:function(a){if(this.initiated){this.initiated=!1;a.preventDefault();a.stopPropagation();d.removeEvent(g,"touchmove",this);d.removeEvent(g,d.prefixPointerEvent("pointermove"),this);d.removeEvent(g,"mousemove",this);if(this.scroller.options.snap){a=this.scroller._nearestSnap(this.scroller.x,this.scroller.y);var b=this.options.snapSpeed||f.max(f.max(f.min(f.abs(this.scroller.x-
a.x),1E3),f.min(f.abs(this.scroller.y-a.y),1E3)),300);if(this.scroller.x!=a.x||this.scroller.y!=a.y)this.scroller.directionX=0,this.scroller.directionY=0,this.scroller.currentPage=a,this.scroller.scrollTo(a.x,a.y,b,this.scroller.options.bounceEasing)}this.moved&&this.scroller._execEvent("scrollEnd")}},transitionTime:function(a){a=a||0;var b=d.style.transitionDuration;if(b&&(this.indicatorStyle[b]=a+"ms",!a&&d.isBadAndroid)){this.indicatorStyle[b]="0.0001ms";var c=this;t(function(){"0.0001ms"===c.indicatorStyle[b]&&
(c.indicatorStyle[b]="0s")})}},transitionTimingFunction:function(a){this.indicatorStyle[d.style.transitionTimingFunction]=a},refresh:function(){this.transitionTime();this.indicatorStyle.display=this.options.listenX&&!this.options.listenY?this.scroller.hasHorizontalScroll?"block":"none":this.options.listenY&&!this.options.listenX?this.scroller.hasVerticalScroll?"block":"none":this.scroller.hasHorizontalScroll||this.scroller.hasVerticalScroll?"block":"none";this.scroller.hasHorizontalScroll&&this.scroller.hasVerticalScroll?
(d.addClass(this.wrapper,"iScrollBothScrollbars"),d.removeClass(this.wrapper,"iScrollLoneScrollbar"),this.options.defaultScrollbars&&this.options.customStyle&&(this.options.listenX?this.wrapper.style.right="8px":this.wrapper.style.bottom="8px")):(d.removeClass(this.wrapper,"iScrollBothScrollbars"),d.addClass(this.wrapper,"iScrollLoneScrollbar"),this.options.defaultScrollbars&&this.options.customStyle&&(this.options.listenX?this.wrapper.style.right="2px":this.wrapper.style.bottom="2px"));this.options.listenX&&
(this.wrapperWidth=this.wrapper.clientWidth,this.options.resize?(this.indicatorWidth=f.max(f.round(this.wrapperWidth*this.wrapperWidth/(this.scroller.scrollerWidth||this.wrapperWidth||1)),8),this.indicatorStyle.width=this.indicatorWidth+"px"):this.indicatorWidth=this.indicator.clientWidth,this.maxPosX=this.wrapperWidth-this.indicatorWidth,"clip"==this.options.shrink?(this.minBoundaryX=-this.indicatorWidth+8,this.maxBoundaryX=this.wrapperWidth-8):(this.minBoundaryX=0,this.maxBoundaryX=this.maxPosX),
this.sizeRatioX=this.options.speedRatioX||this.scroller.maxScrollX&&this.maxPosX/this.scroller.maxScrollX);this.options.listenY&&(this.wrapperHeight=this.wrapper.clientHeight,this.options.resize?(this.indicatorHeight=f.max(f.round(this.wrapperHeight*this.wrapperHeight/(this.scroller.scrollerHeight||this.wrapperHeight||1)),8),this.indicatorStyle.height=this.indicatorHeight+"px"):this.indicatorHeight=this.indicator.clientHeight,this.maxPosY=this.wrapperHeight-this.indicatorHeight,"clip"==this.options.shrink?
(this.minBoundaryY=-this.indicatorHeight+8,this.maxBoundaryY=this.wrapperHeight-8):(this.minBoundaryY=0,this.maxBoundaryY=this.maxPosY),this.maxPosY=this.wrapperHeight-this.indicatorHeight,this.sizeRatioY=this.options.speedRatioY||this.scroller.maxScrollY&&this.maxPosY/this.scroller.maxScrollY);this.updatePosition()},updatePosition:function(){var a=this.options.listenX&&f.round(this.sizeRatioX*this.scroller.x)||0,b=this.options.listenY&&f.round(this.sizeRatioY*this.scroller.y)||0;this.options.ignoreBoundaries||
(a<this.minBoundaryX?("scale"==this.options.shrink&&(this.width=f.max(this.indicatorWidth+a,8),this.indicatorStyle.width=this.width+"px"),a=this.minBoundaryX):a>this.maxBoundaryX?"scale"==this.options.shrink?(this.width=f.max(this.indicatorWidth-(a-this.maxPosX),8),this.indicatorStyle.width=this.width+"px",a=this.maxPosX+this.indicatorWidth-this.width):a=this.maxBoundaryX:"scale"==this.options.shrink&&this.width!=this.indicatorWidth&&(this.width=this.indicatorWidth,this.indicatorStyle.width=this.width+
"px"),b<this.minBoundaryY?("scale"==this.options.shrink&&(this.height=f.max(this.indicatorHeight+3*b,8),this.indicatorStyle.height=this.height+"px"),b=this.minBoundaryY):b>this.maxBoundaryY?"scale"==this.options.shrink?(this.height=f.max(this.indicatorHeight-3*(b-this.maxPosY),8),this.indicatorStyle.height=this.height+"px",b=this.maxPosY+this.indicatorHeight-this.height):b=this.maxBoundaryY:"scale"==this.options.shrink&&this.height!=this.indicatorHeight&&(this.height=this.indicatorHeight,this.indicatorStyle.height=
this.height+"px"));this.x=a;this.y=b;this.scroller.options.useTransform?this.indicatorStyle[d.style.transform]="translate("+a+"px,"+b+"px)"+this.scroller.translateZ:(this.indicatorStyle.left=a+"px",this.indicatorStyle.top=b+"px")},_pos:function(a,b){0>a?a=0:a>this.maxPosX&&(a=this.maxPosX);0>b?b=0:b>this.maxPosY&&(b=this.maxPosY);a=this.options.listenX?f.round(a/this.sizeRatioX):this.scroller.x;b=this.options.listenY?f.round(b/this.sizeRatioY):this.scroller.y;this.scroller.scrollTo(a,b)},fade:function(a,
b){if(!b||this.visible){clearTimeout(this.fadeTimeout);this.fadeTimeout=null;var c=a?0:300;this.wrapperStyle[d.style.transitionDuration]=(a?250:500)+"ms";this.fadeTimeout=setTimeout(function(a){this.wrapperStyle.opacity=a;this.visible=+a}.bind(this,a?"1":"0"),c)}}};p.utils=d;"undefined"!=typeof module&&module.exports?module.exports=p:"function"==typeof define&&define.amd?define(function(){return p}):g.IScroll=p})(window,document,Math);