/*! iScroll v5.2.0 ~ (c) 2008-2016 Matteo Spinelli ~ http://cubiq.org/license */
!function(a,b,c){function f(c,d){this.wrapper="string"==typeof c?b.querySelector(c):c,this.scroller=this.wrapper.children[0],this.scrollerStyle=this.scroller.style,this.options={resizeScrollbars:!0,mouseWheelSpeed:20,snapThreshold:.334,disablePointer:!e.hasPointer,disableTouch:e.hasPointer||!e.hasTouch,disableMouse:e.hasPointer||e.hasTouch,startX:0,startY:0,scrollY:!0,directionLockThreshold:5,momentum:!0,bounce:!0,bounceTime:600,bounceEasing:"",preventDefault:!0,preventDefaultException:{tagName:/^(INPUT|TEXTAREA|BUTTON|SELECT)$/},HWCompositing:!0,useTransition:!0,useTransform:!0,bindToWrapper:"undefined"==typeof a.onmousedown};for(var f in d)this.options[f]=d[f];this.translateZ=this.options.HWCompositing&&e.hasPerspective?" translateZ(0)":"",this.options.useTransition=e.hasTransition&&this.options.useTransition,this.options.useTransform=e.hasTransform&&this.options.useTransform,this.options.eventPassthrough=this.options.eventPassthrough===!0?"vertical":this.options.eventPassthrough,this.options.preventDefault=!this.options.eventPassthrough&&this.options.preventDefault,this.options.scrollY="vertical"!=this.options.eventPassthrough&&this.options.scrollY,this.options.scrollX="horizontal"!=this.options.eventPassthrough&&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?e.ease[this.options.bounceEasing]||e.ease.circular:this.options.bounceEasing,this.options.resizePolling=void 0===this.options.resizePolling?60:this.options.resizePolling,this.options.tap===!0&&(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.x=0,this.y=0,this.directionX=0,this.directionY=0,this._events={},this._init(),this.refresh(),this.scrollTo(this.options.startX,this.options.startY),this.enable()}function g(a,c,d){var e=b.createElement("div"),f=b.createElement("div");return d===!0&&(e.style.cssText="position:absolute;z-index:9999",f.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"),f.className="iScrollIndicator","h"==a?(d===!0&&(e.style.cssText+=";height:7px;left:2px;right:2px;bottom:0",f.style.height="100%"),e.className="iScrollHorizontalScrollbar"):(d===!0&&(e.style.cssText+=";width:7px;bottom:2px;top:2px;right:1px",f.style.width="100%"),e.className="iScrollVerticalScrollbar"),e.style.cssText+=";overflow:hidden",c||(e.style.pointerEvents="none"),e.appendChild(f),e}function h(c,f){this.wrapper="string"==typeof f.el?b.querySelector(f.el):f.el,this.wrapperStyle=this.wrapper.style,this.indicator=this.wrapper.children[0],this.indicatorStyle=this.indicator.style,this.scroller=c,this.options={listenX:!0,listenY:!0,interactive:!1,resize:!0,defaultScrollbars:!1,shrink:!1,fade:!1,speedRatioX:0,speedRatioY:0};for(var g in f)this.options[g]=f[g];if(this.sizeRatioX=1,this.sizeRatioY=1,this.maxPosX=0,this.maxPosY=0,this.options.interactive&&(this.options.disableTouch||(e.addEvent(this.indicator,"touchstart",this),e.addEvent(a,"touchend",this)),this.options.disablePointer||(e.addEvent(this.indicator,e.prefixPointerEvent("pointerdown"),this),e.addEvent(a,e.prefixPointerEvent("pointerup"),this)),this.options.disableMouse||(e.addEvent(this.indicator,"mousedown",this),e.addEvent(a,"mouseup",this))),this.options.fade){this.wrapperStyle[e.style.transform]=this.scroller.translateZ;var h=e.style.transitionDuration;if(!h)return;this.wrapperStyle[h]=e.isBadAndroid?"0.0001ms":"0ms";var i=this;e.isBadAndroid&&d(function(){"0.0001ms"===i.wrapperStyle[h]&&(i.wrapperStyle[h]="0s")}),this.wrapperStyle.opacity="0"}}var d=a.requestAnimationFrame||a.webkitRequestAnimationFrame||a.mozRequestAnimationFrame||a.oRequestAnimationFrame||a.msRequestAnimationFrame||function(b){a.setTimeout(b,1e3/60)},e=function(){function g(a){return f!==!1&&(""===f?a:f+a.charAt(0).toUpperCase()+a.substr(1))}var d={},e=b.createElement("div").style,f=function(){for(var b,a=["t","webkitT","MozT","msT","OT"],c=0,d=a.length;c<d;c++)if(b=a[c]+"ransform",b in e)return a[c].substr(0,a[c].length-1);return!1}();d.getTime=Date.now||function(){return(new Date).getTime()},d.extend=function(a,b){for(var c in b)a[c]=b[c]},d.addEvent=function(a,b,c,d){a.addEventListener(b,c,!!d)},d.removeEvent=function(a,b,c,d){a.removeEventListener(b,c,!!d)},d.prefixPointerEvent=function(b){return a.MSPointerEvent?"MSPointer"+b.charAt(7).toUpperCase()+b.substr(8):b},d.momentum=function(a,b,d,e,f,g){var j,k,h=a-b,i=c.abs(h)/d;return g=void 0===g?6e-4:g,j=a+i*i/(2*g)*(h<0?-1:1),k=i/g,j<e?(j=f?e-f/2.5*(i/8):e,h=c.abs(j-a),k=h/i):j>0&&(j=f?f/2.5*(i/8):0,h=c.abs(a)+j,k=h/i),{destination:c.round(j),duration:k}};var h=g("transform");return d.extend(d,{hasTransform:h!==!1,hasPerspective:g("perspective")in e,hasTouch:"ontouchstart"in a,hasPointer:!(!a.PointerEvent&&!a.MSPointerEvent),hasTransition:g("transition")in e}),d.isBadAndroid=function(){var b=a.navigator.appVersion;if(/Android/.test(b)&&!/Chrome\/\d/.test(b)){var c=b.match(/Safari\/(\d+.\d)/);return!(c&&"object"==typeof c&&c.length>=2)||parseFloat(c[1])<535.19}return!1}(),d.extend(d.style={},{transform:h,transitionTimingFunction:g("transitionTimingFunction"),transitionDuration:g("transitionDuration"),transitionDelay:g("transitionDelay"),transformOrigin:g("transformOrigin")}),d.hasClass=function(a,b){var c=new RegExp("(^|\\s)"+b+"(\\s|$)");return c.test(a.className)},d.addClass=function(a,b){if(!d.hasClass(a,b)){var c=a.className.split(" ");c.push(b),a.className=c.join(" ")}},d.removeClass=function(a,b){if(d.hasClass(a,b)){var c=new RegExp("(^|\\s)"+b+"(\\s|$)","g");a.className=a.className.replace(c," ")}},d.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}},d.preventDefaultException=function(a,b){for(var c in b)if(b[c].test(a[c]))return!0;return!1},d.extend(d.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}),d.extend(d.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 c.sqrt(1- --a*a)}},back:{style:"cubic-bezier(0.175, 0.885, 0.32, 1.275)",fn:function(a){var b=4;return(a-=1)*a*((b+1)*a+b)+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){var b=.22,d=.4;return 0===a?0:1==a?1:d*c.pow(2,-10*a)*c.sin((a-b/4)*(2*c.PI)/b)+1}}}),d.tap=function(a,c){var d=b.createEvent("Event");d.initEvent(c,!0,!0),d.pageX=a.pageX,d.pageY=a.pageY,a.target.dispatchEvent(d)},d.click=function(c){var e,d=c.target;/(SELECT|INPUT|TEXTAREA)/i.test(d.tagName)||(e=b.createEvent(a.MouseEvent?"MouseEvents":"Event"),e.initEvent("click",!0,!0),e.view=c.view||a,e.detail=1,e.screenX=d.screenX||0,e.screenY=d.screenY||0,e.clientX=d.clientX||0,e.clientY=d.clientY||0,e.ctrlKey=!!c.ctrlKey,e.altKey=!!c.altKey,e.shiftKey=!!c.shiftKey,e.metaKey=!!c.metaKey,e.button=0,e.relatedTarget=null,e._constructed=!0,d.dispatchEvent(e))},d}();f.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!=e.eventType[a.type]){var b;if(b=a.which?a.button:a.button<2?0:4==a.button?1:2,0!==b)return}if(this.enabled&&(!this.initiated||e.eventType[a.type]===this.initiated)){!this.options.preventDefault||e.isBadAndroid||e.preventDefaultException(a.target,this.options.preventDefaultException)||a.preventDefault();var f,d=a.touches?a.touches[0]:a;this.initiated=e.eventType[a.type],this.moved=!1,this.distX=0,this.distY=0,this.directionX=0,this.directionY=0,this.directionLocked=0,this.startTime=e.getTime(),this.options.useTransition&&this.isInTransition?(this._transitionTime(),this.isInTransition=!1,f=this.getComputedPosition(),this._translate(c.round(f.x),c.round(f.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=d.pageX,this.pointY=d.pageY,this._execEvent("beforeScrollStart")}},_move:function(a){if(this.enabled&&e.eventType[a.type]===this.initiated){this.options.preventDefault&&a.preventDefault();var h,i,j,k,b=a.touches?a.touches[0]:a,d=b.pageX-this.pointX,f=b.pageY-this.pointY,g=e.getTime();if(this.pointX=b.pageX,this.pointY=b.pageY,this.distX+=d,this.distY+=f,j=c.abs(this.distX),k=c.abs(this.distY),!(g-this.endTime>300&&j<10&&k<10)){if(this.directionLocked||this.options.freeScroll||(j>k+this.options.directionLockThreshold?this.directionLocked="h":k>=j+this.options.directionLockThreshold?this.directionLocked="v":this.directionLocked="n"),"h"==this.directionLocked){if("vertical"==this.options.eventPassthrough)a.preventDefault();else if("horizontal"==this.options.eventPassthrough)return void(this.initiated=!1);f=0}else if("v"==this.directionLocked){if("horizontal"==this.options.eventPassthrough)a.preventDefault();else if("vertical"==this.options.eventPassthrough)return void(this.initiated=!1);d=0}d=this.hasHorizontalScroll?d:0,f=this.hasVerticalScroll?f:0,h=this.x+d,i=this.y+f,(h>0||h<this.maxScrollX)&&(h=this.options.bounce?this.x+d/3:h>0?0:this.maxScrollX),(i>0||i<this.maxScrollY)&&(i=this.options.bounce?this.y+f/3:i>0?0:this.maxScrollY),this.directionX=d>0?-1:d<0?1:0,this.directionY=f>0?-1:f<0?1:0,this.moved||this._execEvent("scrollStart"),this.moved=!0,this._translate(h,i),g-this.startTime>300&&(this.startTime=g,this.startX=this.x,this.startY=this.y)}}},_end:function(a){if(this.enabled&&e.eventType[a.type]===this.initiated){this.options.preventDefault&&!e.preventDefaultException(a.target,this.options.preventDefaultException)&&a.preventDefault();var d,f,g=(a.changedTouches?a.changedTouches[0]:a,e.getTime()-this.startTime),h=c.round(this.x),i=c.round(this.y),j=c.abs(h-this.startX),k=c.abs(i-this.startY),l=0,m="";if(this.isInTransition=0,this.initiated=0,this.endTime=e.getTime(),!this.resetPosition(this.options.bounceTime)){if(this.scrollTo(h,i),!this.moved)return this.options.tap&&e.tap(a,this.options.tap),this.options.click&&e.click(a),void this._execEvent("scrollCancel");if(this._events.flick&&g<200&&j<100&&k<100)return void this._execEvent("flick");if(this.options.momentum&&g<300&&(d=this.hasHorizontalScroll?e.momentum(this.x,this.startX,g,this.maxScrollX,this.options.bounce?this.wrapperWidth:0,this.options.deceleration):{destination:h,duration:0},f=this.hasVerticalScroll?e.momentum(this.y,this.startY,g,this.maxScrollY,this.options.bounce?this.wrapperHeight:0,this.options.deceleration):{destination:i,duration:0},h=d.destination,i=f.destination,l=c.max(d.duration,f.duration),this.isInTransition=1),this.options.snap){var n=this._nearestSnap(h,i);this.currentPage=n,l=this.options.snapSpeed||c.max(c.max(c.min(c.abs(h-n.x),1e3),c.min(c.abs(i-n.y),1e3)),300),h=n.x,i=n.y,this.directionX=0,this.directionY=0,m=this.options.bounceEasing}return h!=this.x||i!=this.y?((h>0||h<this.maxScrollX||i>0||i<this.maxScrollY)&&(m=e.ease.quadratic),void this.scrollTo(h,i,l,m)):void this._execEvent("scrollEnd")}}},_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;return a=a||0,!this.hasHorizontalScroll||this.x>0?b=0:this.x<this.maxScrollX&&(b=this.maxScrollX),!this.hasVerticalScroll||this.y>0?c=0:this.y<this.maxScrollY&&(c=this.maxScrollY),(b!=this.x||c!=this.y)&&(this.scrollTo(b,c,a,this.options.bounceEasing),!0)},disable:function(){this.enabled=!1},enable:function(){this.enabled=!0},refresh:function(){this.wrapper.offsetHeight;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&&this.maxScrollX<0,this.hasVerticalScroll=this.options.scrollY&&this.maxScrollY<0,this.hasHorizontalScroll||(this.maxScrollX=0,this.scrollerWidth=this.wrapperWidth),this.hasVerticalScroll||(this.maxScrollY=0,this.scrollerHeight=this.wrapperHeight),this.endTime=0,this.directionX=0,this.directionY=0,this.wrapperOffset=e.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);c>-1&&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,d){a=this.x+a,b=this.y+b,c=c||0,this.scrollTo(a,b,c,d)},scrollTo:function(a,b,c,d){d=d||e.ease.circular,this.isInTransition=this.options.useTransition&&c>0;var f=this.options.useTransition&&d.style;!c||f?(f&&(this._transitionTimingFunction(d.style),this._transitionTime(c)),this._translate(a,b)):this._animate(a,b,c,d.fn)},scrollToElement:function(a,b,d,f,g){if(a=a.nodeType?a:this.scroller.querySelector(a)){var h=e.offset(a);h.left-=this.wrapperOffset.left,h.top-=this.wrapperOffset.top,d===!0&&(d=c.round(a.offsetWidth/2-this.wrapper.offsetWidth/2)),f===!0&&(f=c.round(a.offsetHeight/2-this.wrapper.offsetHeight/2)),h.left-=d||0,h.top-=f||0,h.left=h.left>0?0:h.left<this.maxScrollX?this.maxScrollX:h.left,h.top=h.top>0?0:h.top<this.maxScrollY?this.maxScrollY:h.top,b=void 0===b||null===b||"auto"===b?c.max(c.abs(this.x-h.left),c.abs(this.y-h.top)):b,this.scrollTo(h.left,h.top,b,g)}},_transitionTime:function(a){if(this.options.useTransition){a=a||0;var b=e.style.transitionDuration;if(b){if(this.scrollerStyle[b]=a+"ms",!a&&e.isBadAndroid){this.scrollerStyle[b]="0.0001ms";var c=this;d(function(){"0.0001ms"===c.scrollerStyle[b]&&(c.scrollerStyle[b]="0s")})}if(this.indicators)for(var f=this.indicators.length;f--;)this.indicators[f].transitionTime(a)}}},_transitionTimingFunction:function(a){if(this.scrollerStyle[e.style.transitionTimingFunction]=a,this.indicators)for(var b=this.indicators.length;b--;)this.indicators[b].transitionTimingFunction(a)},_translate:function(a,b){if(this.options.useTransform?this.scrollerStyle[e.style.transform]="translate("+a+"px,"+b+"px)"+this.translateZ:(a=c.round(a),b=c.round(b),this.scrollerStyle.left=a+"px",this.scrollerStyle.top=b+"px"),this.x=a,this.y=b,this.indicators)for(var d=this.indicators.length;d--;)this.indicators[d].updatePosition()},_initEvents:function(b){var c=b?e.removeEvent:e.addEvent,d=this.options.bindToWrapper?this.wrapper:a;c(a,"orientationchange",this),c(a,"resize",this),this.options.click&&c(this.wrapper,"click",this,!0),this.options.disableMouse||(c(this.wrapper,"mousedown",this),c(d,"mousemove",this),c(d,"mousecancel",this),c(d,"mouseup",this)),e.hasPointer&&!this.options.disablePointer&&(c(this.wrapper,e.prefixPointerEvent("pointerdown"),this),c(d,e.prefixPointerEvent("pointermove"),this),c(d,e.prefixPointerEvent("pointercancel"),this),c(d,e.prefixPointerEvent("pointerup"),this)),e.hasTouch&&!this.options.disableTouch&&(c(this.wrapper,"touchstart",this),c(d,"touchmove",this),c(d,"touchcancel",this),c(d,"touchend",this)),c(this.scroller,"transitionend",this),c(this.scroller,"webkitTransitionEnd",this),c(this.scroller,"oTransitionEnd",this),c(this.scroller,"MSTransitionEnd",this)},getComputedPosition:function(){var c,d,b=a.getComputedStyle(this.scroller,null);return this.options.useTransform?(b=b[e.style.transform].split(")")[0].split(", "),c=+(b[12]||b[4]),d=+(b[13]||b[5])):(c=+b.left.replace(/[^-\d.]/g,""),d=+b.top.replace(/[^-\d.]/g,"")),{x:c,y:d}},_initIndicators:function(){function i(a){if(e.indicators)for(var b=e.indicators.length;b--;)a.call(e.indicators[b])}var d,a=this.options.interactiveScrollbars,b="string"!=typeof this.options.scrollbars,c=[],e=this;this.indicators=[],this.options.scrollbars&&(this.options.scrollY&&(d={el:g("v",a,this.options.scrollbars),interactive:a,defaultScrollbars:!0,customStyle:b,resize:this.options.resizeScrollbars,shrink:this.options.shrinkScrollbars,fade:this.options.fadeScrollbars,listenX:!1},this.wrapper.appendChild(d.el),c.push(d)),this.options.scrollX&&(d={el:g("h",a,this.options.scrollbars),interactive:a,defaultScrollbars:!0,customStyle:b,resize:this.options.resizeScrollbars,shrink:this.options.shrinkScrollbars,fade:this.options.fadeScrollbars,listenY:!1},this.wrapper.appendChild(d.el),c.push(d))),this.options.indicators&&(c=c.concat(this.options.indicators));for(var f=c.length;f--;)this.indicators.push(new h(this,c[f]));this.options.fadeScrollbars&&(this.on("scrollEnd",function(){i(function(){this.fade()})}),this.on("scrollCancel",function(){i(function(){this.fade()})}),this.on("scrollStart",function(){i(function(){this.fade(1)})}),this.on("beforeScrollStart",function(){i(function(){this.fade(1,!0)})})),this.on("refresh",function(){i(function(){this.refresh()})}),this.on("destroy",function(){i(function(){this.destroy()}),delete this.indicators})},_initWheel:function(){e.addEvent(this.wrapper,"wheel",this),e.addEvent(this.wrapper,"mousewheel",this),e.addEvent(this.wrapper,"DOMMouseScroll",this),this.on("destroy",function(){clearTimeout(this.wheelTimeout),this.wheelTimeout=null,e.removeEvent(this.wrapper,"wheel",this),e.removeEvent(this.wrapper,"mousewheel",this),e.removeEvent(this.wrapper,"DOMMouseScroll",this)})},_wheel:function(a){if(this.enabled){a.preventDefault();var b,d,e,f,g=this;if(void 0===this.wheelTimeout&&g._execEvent("scrollStart"),clearTimeout(this.wheelTimeout),this.wheelTimeout=setTimeout(function(){g.options.snap||g._execEvent("scrollEnd"),g.wheelTimeout=void 0},400),"deltaX"in a)1===a.deltaMode?(b=-a.deltaX*this.options.mouseWheelSpeed,d=-a.deltaY*this.options.mouseWheelSpeed):(b=-a.deltaX,d=-a.deltaY);else if("wheelDeltaX"in a)b=a.wheelDeltaX/120*this.options.mouseWheelSpeed,d=a.wheelDeltaY/120*this.options.mouseWheelSpeed;else if("wheelDelta"in a)b=d=a.wheelDelta/120*this.options.mouseWheelSpeed;else{if(!("detail"in a))return;b=d=-a.detail/3*this.options.mouseWheelSpeed}if(b*=this.options.invertWheelDirection,d*=this.options.invertWheelDirection,this.hasVerticalScroll||(b=d,d=0),this.options.snap)return e=this.currentPage.pageX,f=this.currentPage.pageY,b>0?e--:b<0&&e++,d>0?f--:d<0&&f++,void this.goToPage(e,f);e=this.x+c.round(this.hasHorizontalScroll?b:0),f=this.y+c.round(this.hasVerticalScroll?d:0),this.directionX=b>0?-1:b<0?1:0,this.directionY=d>0?-1:d<0?1:0,e>0?e=0:e<this.maxScrollX&&(e=this.maxScrollX),f>0?f=0:f<this.maxScrollY&&(f=this.maxScrollY),this.scrollTo(e,f,0)}},_initSnap:function(){this.currentPage={},"string"==typeof this.options.snap&&(this.options.snap=this.scroller.querySelectorAll(this.options.snap)),this.on("refresh",function(){var b,e,f,g,i,l,a=0,d=0,h=0,j=this.options.snapStepX||this.wrapperWidth,k=this.options.snapStepY||this.wrapperHeight;if(this.pages=[],this.wrapperWidth&&this.wrapperHeight&&this.scrollerWidth&&this.scrollerHeight){if(this.options.snap===!0)for(f=c.round(j/2),g=c.round(k/2);h>-this.scrollerWidth;){for(this.pages[a]=[],b=0,i=0;i>-this.scrollerHeight;)this.pages[a][b]={x:c.max(h,this.maxScrollX),y:c.max(i,this.maxScrollY),width:j,height:k,cx:h-f,cy:i-g},i-=k,b++;h-=j,a++}else for(l=this.options.snap,b=l.length,e=-1;a<b;a++)(0===a||l[a].offsetLeft<=l[a-1].offsetLeft)&&(d=0,e++),this.pages[d]||(this.pages[d]=[]),h=c.max(-l[a].offsetLeft,this.maxScrollX),i=c.max(-l[a].offsetTop,this.maxScrollY),f=h-c.round(l[a].offsetWidth/2),g=i-c.round(l[a].offsetHeight/2),this.pages[d][e]={x:h,y:i,width:l[a].offsetWidth,height:l[a].offsetHeight,cx:f,cy:g},h>this.maxScrollX&&d++;this.goToPage(this.currentPage.pageX||0,this.currentPage.pageY||0,0),this.options.snapThreshold%1===0?(this.snapThresholdX=this.options.snapThreshold,this.snapThresholdY=this.options.snapThreshold):(this.snapThresholdX=c.round(this.pages[this.currentPage.pageX][this.currentPage.pageY].width*this.options.snapThreshold),this.snapThresholdY=c.round(this.pages[this.currentPage.pageX][this.currentPage.pageY].height*this.options.snapThreshold))}}),this.on("flick",function(){var a=this.options.snapSpeed||c.max(c.max(c.min(c.abs(this.x-this.startX),1e3),c.min(c.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 d=0,e=this.pages.length,f=0;if(c.abs(a-this.absStartX)<this.snapThresholdX&&c.abs(b-this.absStartY)<this.snapThresholdY)return this.currentPage;for(a>0?a=0:a<this.maxScrollX&&(a=this.maxScrollX),b>0?b=0:b<this.maxScrollY&&(b=this.maxScrollY);d<e;d++)if(a>=this.pages[d][0].cx){a=this.pages[d][0].x;break}for(e=this.pages[d].length;f<e;f++)if(b>=this.pages[0][f].cy){b=this.pages[0][f].y;break}return d==this.currentPage.pageX&&(d+=this.directionX,d<0?d=0:d>=this.pages.length&&(d=this.pages.length-1),a=this.pages[d][0].x),f==this.currentPage.pageY&&(f+=this.directionY,f<0?f=0:f>=this.pages[0].length&&(f=this.pages[0].length-1),b=this.pages[0][f].y),{x:a,y:b,pageX:d,pageY:f}},goToPage:function(a,b,d,e){e=e||this.options.bounceEasing,a>=this.pages.length?a=this.pages.length-1:a<0&&(a=0),b>=this.pages[a].length?b=this.pages[a].length-1:b<0&&(b=0);var f=this.pages[a][b].x,g=this.pages[a][b].y;d=void 0===d?this.options.snapSpeed||c.max(c.max(c.min(c.abs(f-this.x),1e3),c.min(c.abs(g-this.y),1e3)),300):d,this.currentPage={x:f,y:g,pageX:a,pageY:b},this.scrollTo(f,g,d,e)},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--,c<0&&this.hasVerticalScroll&&(c=0,d--),this.goToPage(c,d,a,b)},_initKeys:function(b){var d,c={pageUp:33,pageDown:34,end:35,home:36,left:37,up:38,right:39,down:40};if("object"==typeof this.options.keyBindings)for(d in this.options.keyBindings)"string"==typeof this.options.keyBindings[d]&&(this.options.keyBindings[d]=this.options.keyBindings[d].toUpperCase().charCodeAt(0));else this.options.keyBindings={};for(d in c)this.options.keyBindings[d]=this.options.keyBindings[d]||c[d];e.addEvent(a,"keydown",this),this.on("destroy",function(){e.removeEvent(a,"keydown",this)})},_key:function(a){if(this.enabled){var j,b=this.options.snap,d=b?this.currentPage.pageX:this.x,f=b?this.currentPage.pageY:this.y,g=e.getTime(),h=this.keyTime||0,i=.25;switch(this.options.useTransition&&this.isInTransition&&(j=this.getComputedPosition(),this._translate(c.round(j.x),c.round(j.y)),this.isInTransition=!1),this.keyAcceleration=g-h<200?c.min(this.keyAcceleration+i,50):0,a.keyCode){case this.options.keyBindings.pageUp:this.hasHorizontalScroll&&!this.hasVerticalScroll?d+=b?1:this.wrapperWidth:f+=b?1:this.wrapperHeight;break;case this.options.keyBindings.pageDown:this.hasHorizontalScroll&&!this.hasVerticalScroll?d-=b?1:this.wrapperWidth:f-=b?1:this.wrapperHeight;break;case this.options.keyBindings.end:d=b?this.pages.length-1:this.maxScrollX,f=b?this.pages[0].length-1:this.maxScrollY;break;case this.options.keyBindings.home:d=0,f=0;break;case this.options.keyBindings.left:d+=b?-1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.up:f+=b?1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.right:d-=b?-1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.down:f-=b?1:5+this.keyAcceleration>>0;break;default:return}if(b)return void this.goToPage(d,f);d>0?(d=0,this.keyAcceleration=0):d<this.maxScrollX&&(d=this.maxScrollX,this.keyAcceleration=0),f>0?(f=0,this.keyAcceleration=0):f<this.maxScrollY&&(f=this.maxScrollY,this.keyAcceleration=0),this.scrollTo(d,f,0),this.keyTime=g}},_animate:function(a,b,c,f){function l(){var n,o,p,m=e.getTime();return m>=k?(g.isAnimating=!1,g._translate(a,b),void(g.resetPosition(g.options.bounceTime)||g._execEvent("scrollEnd"))):(m=(m-j)/c,p=f(m),n=(a-h)*p+h,o=(b-i)*p+i,g._translate(n,o),void(g.isAnimating&&d(l)))}var g=this,h=this.x,i=this.y,j=e.getTime(),k=j+c;this.isAnimating=!0,l()},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())}}},h.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&&(e.removeEvent(this.indicator,"touchstart",this),e.removeEvent(this.indicator,e.prefixPointerEvent("pointerdown"),this),e.removeEvent(this.indicator,"mousedown",this),e.removeEvent(a,"touchmove",this),e.removeEvent(a,e.prefixPointerEvent("pointermove"),this),e.removeEvent(a,"mousemove",this),e.removeEvent(a,"touchend",this),e.removeEvent(a,e.prefixPointerEvent("pointerup"),this),e.removeEvent(a,"mouseup",this)),this.options.defaultScrollbars&&this.wrapper.parentNode.removeChild(this.wrapper)},_start:function(b){var c=b.touches?b.touches[0]:b;b.preventDefault(),b.stopPropagation(),this.transitionTime(),this.initiated=!0,this.moved=!1,this.lastPointX=c.pageX,this.lastPointY=c.pageY,this.startTime=e.getTime(),this.options.disableTouch||e.addEvent(a,"touchmove",this),this.options.disablePointer||e.addEvent(a,e.prefixPointerEvent("pointermove"),this),this.options.disableMouse||e.addEvent(a,"mousemove",this),this.scroller._execEvent("beforeScrollStart")},_move:function(a){var c,d,f,g,b=a.touches?a.touches[0]:a;e.getTime();this.moved||this.scroller._execEvent("scrollStart"),this.moved=!0,c=b.pageX-this.lastPointX,this.lastPointX=b.pageX,d=b.pageY-this.lastPointY,this.lastPointY=b.pageY,f=this.x+c,g=this.y+d,this._pos(f,g),a.preventDefault(),a.stopPropagation()},_end:function(b){if(this.initiated){if(this.initiated=!1,b.preventDefault(),b.stopPropagation(),e.removeEvent(a,"touchmove",this),e.removeEvent(a,e.prefixPointerEvent("pointermove"),this),e.removeEvent(a,"mousemove",this),this.scroller.options.snap){var d=this.scroller._nearestSnap(this.scroller.x,this.scroller.y),f=this.options.snapSpeed||c.max(c.max(c.min(c.abs(this.scroller.x-d.x),1e3),c.min(c.abs(this.scroller.y-d.y),1e3)),300);this.scroller.x==d.x&&this.scroller.y==d.y||(this.scroller.directionX=0,this.scroller.directionY=0,this.scroller.currentPage=d,this.scroller.scrollTo(d.x,d.y,f,this.scroller.options.bounceEasing))}this.moved&&this.scroller._execEvent("scrollEnd")}},transitionTime:function(a){a=a||0;var b=e.style.transitionDuration;if(b&&(this.indicatorStyle[b]=a+"ms",!a&&e.isBadAndroid)){this.indicatorStyle[b]="0.0001ms";var c=this;d(function(){"0.0001ms"===c.indicatorStyle[b]&&(c.indicatorStyle[b]="0s")})}},transitionTimingFunction:function(a){this.indicatorStyle[e.style.transitionTimingFunction]=a},refresh:function(){this.transitionTime(),this.options.listenX&&!this.options.listenY?this.indicatorStyle.display=this.scroller.hasHorizontalScroll?"block":"none":this.options.listenY&&!this.options.listenX?this.indicatorStyle.display=this.scroller.hasVerticalScroll?"block":"none":this.indicatorStyle.display=this.scroller.hasHorizontalScroll||this.scroller.hasVerticalScroll?"block":"none",this.scroller.hasHorizontalScroll&&this.scroller.hasVerticalScroll?(e.addClass(this.wrapper,"iScrollBothScrollbars"),e.removeClass(this.wrapper,"iScrollLoneScrollbar"),this.options.defaultScrollbars&&this.options.customStyle&&(this.options.listenX?this.wrapper.style.right="8px":this.wrapper.style.bottom="8px")):(e.removeClass(this.wrapper,"iScrollBothScrollbars"),e.addClass(this.wrapper,"iScrollLoneScrollbar"),this.options.defaultScrollbars&&this.options.customStyle&&(this.options.listenX?this.wrapper.style.right="2px":this.wrapper.style.bottom="2px"));this.wrapper.offsetHeight;this.options.listenX&&(this.wrapperWidth=this.wrapper.clientWidth,this.options.resize?(this.indicatorWidth=c.max(c.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=c.max(c.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&&c.round(this.sizeRatioX*this.scroller.x)||0,b=this.options.listenY&&c.round(this.sizeRatioY*this.scroller.y)||0;this.options.ignoreBoundaries||(a<this.minBoundaryX?("scale"==this.options.shrink&&(this.width=c.max(this.indicatorWidth+a,8),this.indicatorStyle.width=this.width+"px"),a=this.minBoundaryX):a>this.maxBoundaryX?"scale"==this.options.shrink?(this.width=c.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=c.max(this.indicatorHeight+3*b,8),this.indicatorStyle.height=this.height+"px"),b=this.minBoundaryY):b>this.maxBoundaryY?"scale"==this.options.shrink?(this.height=c.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[e.style.transform]="translate("+a+"px,"+b+"px)"+this.scroller.translateZ:(this.indicatorStyle.left=a+"px",this.indicatorStyle.top=b+"px")},_pos:function(a,b){a<0?a=0:a>this.maxPosX&&(a=this.maxPosX),b<0?b=0:b>this.maxPosY&&(b=this.maxPosY),a=this.options.listenX?c.round(a/this.sizeRatioX):this.scroller.x,b=this.options.listenY?c.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?250:500,d=a?0:300;a=a?"1":"0",this.wrapperStyle[e.style.transitionDuration]=c+"ms",this.fadeTimeout=setTimeout(function(a){this.wrapperStyle.opacity=a,this.visible=+a}.bind(this,a),d)}}},f.utils=e,"undefined"!=typeof module&&module.exports?module.exports=f:"function"==typeof define&&define.amd?define(function(){return f}):a.IScroll=f}(window,document,Math);