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v=n(this.scrollbarYRail);this.scrollbarYRight=parseInt(v.right,10),isNaN(this.scrollbarYRight)?(this.isScrollbarYUsingRight=!1,this.scrollbarYLeft=R(v.left)):this.isScrollbarYUsingRight=!0,this.scrollbarYOuterWidth=this.isRtl?R((s=n(this.scrollbarY)).width)+R(s.paddingLeft)+R(s.paddingRight)+R(s.borderLeftWidth)+R(s.borderRightWidth):null,this.railBorderYWidth=R(v.borderTopWidth)+R(v.borderBottomWidth),o(this.scrollbarYRail,{display:"block"}),this.railYMarginHeight=R(v.marginTop)+R(v.marginBottom),o(this.scrollbarYRail,{display:""}),this.railYHeight=null,this.railYRatio=null,this.reach={x:t.scrollLeft<=0?"start":t.scrollLeft>=this.contentWidth-this.containerWidth?"end":null,y:t.scrollTop<=0?"start":t.scrollTop>=this.contentHeight-this.containerHeight?"end":null}

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