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n=="object"?n:t.getElementById(n);i.wrapper.style.overflow="hidden";i.scroller=i.wrapper.children[0];i.options={hScroll:true,vScroll:true,x:0,y:0,bounce:true,bounceLock:false,momentum:true,lockDirection:true,useTransform:true,useTransition:false,topOffset:0,checkDOMChanges:false,handleClick:true,hScrollbar:true,vScrollbar:true,fixedScrollbar:h,hideScrollbar:p,fadeScrollbar:p&&v,scrollbarClass:"",zoom:false,zoomMin:1,zoomMax:4,doubleTapZoom:2,wheelAction:"scroll",snap:false,snapThreshold:1,onRefresh:null,onBeforeScrollStart:function(e){e.preventDefault()},onScrollStart:null,onBeforeScrollMove:null,onScrollMove:null,onBeforeScrollEnd:null,onScrollEnd:null,onTouchEnd:null,onDestroy:null,onZoomStart:null,onZoom:null,onZoomEnd:null};for(c in 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i.scroller.style.cssText+=";position:absolute;top:"+i.y+"px;left:"+i.x+"px";if(i.options.useTransition)i.options.fixedScrollbar=true;i.refresh();i._bind(b,e);i._bind(w);if(!m){if(i.options.wheelAction!="none"){i._bind("DOMMouseScroll");i._bind("mousewheel")}}if(i.options.checkDOMChanges)i.checkDOMTime=setInterval(function(){i._checkDOMChanges()},500)};L.prototype={enabled:true,x:0,y:0,steps:[],scale:1,currPageX:0,currPageY:0,pagesX:[],pagesY:[],aniTime:null,wheelZoomCount:0,handleEvent:function(e){var t=this;switch(e.type){case w:if(!m&&e.button!==0)return;t._start(e);break;case E:t._move(e);break;case S:case x:t._end(e);break;case b:t._resize();break;case"DOMMouseScroll":case"mousewheel":t._wheel(e);break;case T:t._transitionEnd(e);break}},_checkDOMChanges:function(){if(this.moved||this.zoomed||this.animating||this.scrollerW==this.scroller.offsetWidth*this.scale&&this.scrollerH==this.scroller.offsetHeight*this.scale)return;this.refresh()},_scrollbar:function(e){var r=this,i;if(!r[e+"Scrollbar"]){if(r[e+"ScrollbarWrapper"]){if(g)r[e+"ScrollbarIndicator"].style[o]="";r[e+"ScrollbarWrapper"].parentNode.removeChild(r[e+"ScrollbarWrapper"]);r[e+"ScrollbarWrapper"]=null;r[e+"ScrollbarIndicator"]=null}return}if(!r[e+"ScrollbarWrapper"]){i=t.createElement("div");if(r.options.scrollbarClass)i.className=r.options.scrollbarClass+e.toUpperCase();else i.style.cssText="position:absolute;z-index:100;"+(e=="h"?"height:7px;bottom:1px;left:2px;right:"+(r.vScrollbar?"7":"2")+"px":"width:7px;bottom:"+(r.hScrollbar?"7":"2")+"px;top:2px;right:1px");i.style.cssText+=";pointer-events:none;"+s+"transition-property:opacity;"+s+"transition-duration:"+(r.options.fadeScrollbar?"350ms":"0")+";overflow:hidden;opacity:"+(r.options.hideScrollbar?"0":"1");r.wrapper.appendChild(i);r[e+"ScrollbarWrapper"]=i;i=t.createElement("div");if(!r.options.scrollbarClass){i.style.cssText="position:absolute;z-index:100;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.9);"+s+"background-clip:padding-box;"+s+"box-sizing:border-box;"+(e=="h"?"height:100%":"width:100%")+";"+s+"border-radius:3px;border-radius:3px"}i.style.cssText+=";pointer-events:none;"+s+"transition-property:"+s+"transform;"+s+"transition-timing-function:cubic-bezier(0.33,0.66,0.66,1);"+s+"transition-duration:0;"+s+"transform: translate(0,0)"+k;if(r.options.useTransition)i.style.cssText+=";"+s+"transition-timing-function:cubic-bezier(0.33,0.66,0.66,1)";r[e+"ScrollbarWrapper"].appendChild(i);r[e+"ScrollbarIndicator"]=i}if(e=="h"){r.hScrollbarSize=r.hScrollbarWrapper.clientWidth;r.hScrollbarIndicatorSize=n.max(n.round(r.hScrollbarSize*r.hScrollbarSize/r.scrollerW),8);r.hScrollbarIndicator.style.width=r.hScrollbarIndicatorSize+"px";r.hScrollbarMaxScroll=r.hScrollbarSize-r.hScrollbarIndicatorSize;r.hScrollbarProp=r.hScrollbarMaxScroll/r.maxScrollX}else{r.vScrollbarSize=r.vScrollbarWrapper.clientHeight;r.vScrollbarIndicatorSize=n.max(n.round(r.vScrollbarSize*r.vScrollbarSize/r.scrollerH),8);r.vScrollbarIndicator.style.height=r.vScrollbarIndicatorSize+"px";r.vScrollbarMaxScroll=r.vScrollbarSize-r.vScrollbarIndicatorSize;r.vScrollbarProp=r.vScrollbarMaxScroll/r.maxScrollY}r._scrollbarPos(e,true)},_resize:function(){var e=this;setTimeout(function(){e.refresh()},h?200:0)},_pos:function(e,t){if(this.zoomed)return;e=this.hScroll?e:0;t=this.vScroll?t:0;if(this.options.useTransform){this.scroller.style[o]="translate("+e+"px,"+t+"px) scale("+this.scale+")"+k}else{e=n.round(e);t=n.round(t);this.scroller.style.left=e+"px";this.scroller.style.top=t+"px"}this.x=e;this.y=t;this._scrollbarPos("h");this._scrollbarPos("v")},_scrollbarPos:function(e,t){var r=this,i=e=="h"?r.x:r.y,s;if(!r[e+"Scrollbar"])return;i=r[e+"ScrollbarProp"]*i;if(i<0){if(!r.options.fixedScrollbar){s=r[e+"ScrollbarIndicatorSize"]+n.round(i*3);if(s<8)s=8;r[e+"ScrollbarIndicator"].style[e=="h"?"width":"height"]=s+"px"}i=0}else 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r=this,i=m?t.touches[0]:t,s,u,a,f,l;if(!r.enabled)return;if(r.options.onBeforeScrollStart)r.options.onBeforeScrollStart.call(r,t);if(r.options.useTransition||r.options.zoom)r._transitionTime(0);r.moved=false;r.animating=false;r.zoomed=false;r.distX=0;r.distY=0;r.absDistX=0;r.absDistY=0;r.dirX=0;r.dirY=0;if(r.options.zoom&&m&&t.touches.length>1){f=n.abs(t.touches[0].pageX-t.touches[1].pageX);l=n.abs(t.touches[0].pageY-t.touches[1].pageY);r.touchesDistStart=n.sqrt(f*f+l*l);r.originX=n.abs(t.touches[0].pageX+t.touches[1].pageX-r.wrapperOffsetLeft*2)/2-r.x;r.originY=n.abs(t.touches[0].pageY+t.touches[1].pageY-r.wrapperOffsetTop*2)/2-r.y;if(r.options.onZoomStart)r.options.onZoomStart.call(r,t)}if(r.options.momentum){if(r.options.useTransform){s=getComputedStyle(r.scroller,null)[o].replace(/[^0-9\-.,]/g,"").split(",");u=+(s[12]||s[4]);a=+(s[13]||s[5])}else{u=+getComputedStyle(r.scroller,null).left.replace(/[^0-9-]/g,"");a=+getComputedStyle(r.scroller,null).top.replace(/[^0-9-]/g,"")}if(u!=r.x||a!=r.y){if(r.options.useTransition)r._unbind(T);else 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if(c>t.options.zoomMax)c=2*t.options.zoomMax*Math.pow(.5,t.options.zoomMax/c);t.lastScale=c/this.scale;u=this.originX-this.originX*t.lastScale+this.x;a=this.originY-this.originY*t.lastScale+this.y;this.scroller.style[o]="translate("+u+"px,"+a+"px) scale("+c+")"+k;if(t.options.onZoom)t.options.onZoom.call(t,e);return}t.pointX=r.pageX;t.pointY=r.pageY;if(u>0||u<t.maxScrollX){u=t.options.bounce?t.x+i/2:u>=0||t.maxScrollX>=0?0:t.maxScrollX}if(a>t.minScrollY||a<t.maxScrollY){a=t.options.bounce?t.y+s/2:a>=t.minScrollY||t.maxScrollY>=0?t.minScrollY:t.maxScrollY}t.distX+=i;t.distY+=s;t.absDistX=n.abs(t.distX);t.absDistY=n.abs(t.distY);if(t.absDistX<6&&t.absDistY<6){return}if(t.options.lockDirection){if(t.absDistX>t.absDistY+5){a=t.y;s=0}else if(t.absDistY>t.absDistX+5){u=t.x;i=0}}t.moved=true;t._pos(u,a);t.dirX=i>0?-1:i<0?1:0;t.dirY=s>0?-1:s<0?1:0;if(h-t.startTime>300){t.startTime=h;t.startX=t.x;t.startY=t.y}if(t.options.onScrollMove)t.options.onScrollMove.call(t,e)},_end:function(r){if(m&&r.touches.length!==0)return;var i=this,s=m?r.changedTouches[0]:r,u,f,l={dist:0,time:0},c={dist:0,time:0},h=(r.timeStamp||Date.now())-i.startTime,p=i.x,d=i.y,v,g,y,b,w;i._unbind(E,e);i._unbind(S,e);i._unbind(x,e);if(i.options.onBeforeScrollEnd)i.options.onBeforeScrollEnd.call(i,r);if(i.zoomed){w=i.scale*i.lastScale;w=Math.max(i.options.zoomMin,w);w=Math.min(i.options.zoomMax,w);i.lastScale=w/i.scale;i.scale=w;i.x=i.originX-i.originX*i.lastScale+i.x;i.y=i.originY-i.originY*i.lastScale+i.y;i.scroller.style[a]="200ms";i.scroller.style[o]="translate("+i.x+"px,"+i.y+"px) scale("+i.scale+")"+k;i.zoomed=false;i.refresh();if(i.options.onZoomEnd)i.options.onZoomEnd.call(i,r);return}if(!i.moved){if(m){if(i.doubleTapTimer&&i.options.zoom){clearTimeout(i.doubleTapTimer);i.doubleTapTimer=null;if(i.options.onZoomStart)i.options.onZoomStart.call(i,r);i.zoom(i.pointX,i.pointY,i.scale==1?i.options.doubleTapZoom:1);if(i.options.onZoomEnd){setTimeout(function(){i.options.onZoomEnd.call(i,r)},200)}}else if(this.options.handleClick){i.doubleTapTimer=setTimeout(function(){i.doubleTapTimer=null;u=s.target;while(u.nodeType!=1)u=u.parentNode;if(u.tagName!="SELECT"&&u.tagName!="INPUT"&&u.tagName!="TEXTAREA"){f=t.createEvent("MouseEvents");f.initMouseEvent("click",true,true,r.view,1,s.screenX,s.screenY,s.clientX,s.clientY,r.ctrlKey,r.altKey,r.shiftKey,r.metaKey,0,null);f._fake=true;u.dispatchEvent(f)}},i.options.zoom?250:0)}}i._resetPos(400);if(i.options.onTouchEnd)i.options.onTouchEnd.call(i,r);return}if(h<300&&i.options.momentum){l=p?i._momentum(p-i.startX,h,-i.x,i.scrollerW-i.wrapperW+i.x,i.options.bounce?i.wrapperW:0):l;c=d?i._momentum(d-i.startY,h,-i.y,i.maxScrollY<0?i.scrollerH-i.wrapperH+i.y-i.minScrollY:0,i.options.bounce?i.wrapperH:0):c;p=i.x+l.dist;d=i.y+c.dist;if(i.x>0&&p>0||i.x<i.maxScrollX&&p<i.maxScrollX)l={dist:0,time:0};if(i.y>i.minScrollY&&d>i.minScrollY||i.y<i.maxScrollY&&d<i.maxScrollY)c={dist:0,time:0}}if(l.dist||c.dist){y=n.max(n.max(l.time,c.time),10);if(i.options.snap){v=p-i.absStartX;g=d-i.absStartY;if(n.abs(v)<i.options.snapThreshold&&n.abs(g)<i.options.snapThreshold){i.scrollTo(i.absStartX,i.absStartY,200)}else{b=i._snap(p,d);p=b.x;d=b.y;y=n.max(b.time,y)}}i.scrollTo(n.round(p),n.round(d),y);if(i.options.onTouchEnd)i.options.onTouchEnd.call(i,r);return}if(i.options.snap){v=p-i.absStartX;g=d-i.absStartY;if(n.abs(v)<i.options.snapThreshold&&n.abs(g)<i.options.snapThreshold)i.scrollTo(i.absStartX,i.absStartY,200);else{b=i._snap(i.x,i.y);if(b.x!=i.x||b.y!=i.y)i.scrollTo(b.x,b.y,b.time)}if(i.options.onTouchEnd)i.options.onTouchEnd.call(i,r);return}i._resetPos(200);if(i.options.onTouchEnd)i.options.onTouchEnd.call(i,r)},_resetPos:function(e){var t=this,n=t.x>=0?0:t.x<t.maxScrollX?t.maxScrollX:t.x,r=t.y>=t.minScrollY||t.maxScrollY>0?t.minScrollY:t.y<t.maxScrollY?t.maxScrollY:t.y;if(n==t.x&&r==t.y){if(t.moved){t.moved=false;if(t.options.onScrollEnd)t.options.onScrollEnd.call(t)}if(t.hScrollbar&&t.options.hideScrollbar){if(i=="webkit")t.hScrollbarWrapper.style[c]="300ms";t.hScrollbarWrapper.style.opacity="0"}if(t.vScrollbar&&t.options.hideScrollbar){if(i=="webkit")t.vScrollbarWrapper.style[c]="300ms";t.vScrollbarWrapper.style.opacity="0"}return}t.scrollTo(n,r,e||0)},_wheel:function(e){var t=this,n,r,i,s,o;if("wheelDeltaX"in e){n=e.wheelDeltaX/12;r=e.wheelDeltaY/12}else if("wheelDelta"in e){n=r=e.wheelDelta/12}else if("detail"in e){n=r=-e.detail*3}else{return}if(t.options.wheelAction=="zoom"){o=t.scale*Math.pow(2,1/3*(r?r/Math.abs(r):0));if(o<t.options.zoomMin)o=t.options.zoomMin;if(o>t.options.zoomMax)o=t.options.zoomMax;if(o!=t.scale){if(!t.wheelZoomCount&&t.options.onZoomStart)t.options.onZoomStart.call(t,e);t.wheelZoomCount++;t.zoom(e.pageX,e.pageY,o,400);setTimeout(function(){t.wheelZoomCount--;if(!t.wheelZoomCount&&t.options.onZoomEnd)t.options.onZoomEnd.call(t,e)},400)}return}i=t.x+n;s=t.y+r;if(i>0)i=0;else if(i<t.maxScrollX)i=t.maxScrollX;if(s>t.minScrollY)s=t.minScrollY;else if(s<t.maxScrollY)s=t.maxScrollY;if(t.maxScrollY<0){t.scrollTo(i,s,0)}},_transitionEnd:function(e){var t=this;if(e.target!=t.scroller)return;t._unbind(T);t._startAni()},_startAni:function(){var e=this,t=e.x,r=e.y,i=Date.now(),s,o,u;if(e.animating)return;if(!e.steps.length){e._resetPos(400);return}s=e.steps.shift();if(s.x==t&&s.y==r)s.time=0;e.animating=true;e.moved=true;if(e.options.useTransition){e._transitionTime(s.time);e._pos(s.x,s.y);e.animating=false;if(s.time)e._bind(T);else e._resetPos(0);return}u=function(){var a=Date.now(),f,l;if(a>=i+s.time){e._pos(s.x,s.y);e.animating=false;if(e.options.onAnimationEnd)e.options.onAnimationEnd.call(e);e._startAni();return}a=(a-i)/s.time-1;o=n.sqrt(1-a*a);f=(s.x-t)*o+t;l=(s.y-r)*o+r;e._pos(f,l);if(e.animating)e.aniTime=N(u)};u()},_transitionTime:function(e){e+="ms";this.scroller.style[a]=e;if(this.hScrollbar)this.hScrollbarIndicator.style[a]=e;if(this.vScrollbar)this.vScrollbarIndicator.style[a]=e},_momentum:function(e,t,r,i,s){var o=6e-4,u=n.abs(e)/t,a=u*u/(2*o),f=0,l=0;if(e>0&&a>r){l=s/(6/(a/u*o));r=r+l;u=u*r/a;a=r}else if(e<0&&a>i){l=s/(6/(a/u*o));i=i+l;u=u*i/a;a=i}a=a*(e<0?-1:1);f=u/o;return{dist:a,time:n.round(f)}},_offset:function(e){var t=-e.offsetLeft,n=-e.offsetTop;while(e=e.offsetParent){t-=e.offsetLeft;n-=e.offsetTop}if(e!=this.wrapper){t*=this.scale;n*=this.scale}return{left:t,top:n}},_snap:function(e,t){var r=this,i,s,o,u,a,f;o=r.pagesX.length-1;for(i=0,s=r.pagesX.length;i<s;i++){if(e>=r.pagesX[i]){o=i;break}}if(o==r.currPageX&&o>0&&r.dirX<0)o--;e=r.pagesX[o];a=n.abs(e-r.pagesX[r.currPageX]);a=a?n.abs(r.x-e)/a*500:0;r.currPageX=o;o=r.pagesY.length-1;for(i=0;i<o;i++){if(t>=r.pagesY[i]){o=i;break}}if(o==r.currPageY&&o>0&&r.dirY<0)o--;t=r.pagesY[o];f=n.abs(t-r.pagesY[r.currPageY]);f=f?n.abs(r.y-t)/f*500:0;r.currPageY=o;u=n.round(n.max(a,f))||200;return{x:e,y:t,time:u}},_bind:function(e,t,n){(t||this.scroller).addEventListener(e,this,!!n)},_unbind:function(e,t,n){(t||this.scroller).removeEventListener(e,this,!!n)},destroy:function(){var t=this;t.scroller.style[o]="";t.hScrollbar=false;t.vScrollbar=false;t._scrollbar("h");t._scrollbar("v");t._unbind(b,e);t._unbind(w);t._unbind(E,e);t._unbind(S,e);t._unbind(x,e);if(!t.options.hasTouch){t._unbind("DOMMouseScroll");t._unbind("mousewheel")}if(t.options.useTransition)t._unbind(T);if(t.options.checkDOMChanges)clearInterval(t.checkDOMTime);if(t.options.onDestroy)t.options.onDestroy.call(t)},refresh:function(){var e=this,t,r,i,s,o=0,u=0;if(e.scale<e.options.zoomMin)e.scale=e.options.zoomMin;e.wrapperW=e.wrapper.clientWidth||1;e.wrapperH=e.wrapper.clientHeight||1;e.minScrollY=-e.options.topOffset||0;e.scrollerW=n.round(e.scroller.offsetWidth*e.scale);e.scrollerH=n.round((e.scroller.offsetHeight+e.minScrollY)*e.scale);e.maxScrollX=e.wrapperW-e.scrollerW;e.maxScrollY=e.wrapperH-e.scrollerH+e.minScrollY;e.dirX=0;e.dirY=0;if(e.options.onRefresh)e.options.onRefresh.call(e);e.hScroll=e.options.hScroll&&e.maxScrollX<0;e.vScroll=e.options.vScroll&&(!e.options.bounceLock&&!e.hScroll||e.scrollerH>e.wrapperH);e.hScrollbar=e.hScroll&&e.options.hScrollbar;e.vScrollbar=e.vScroll&&e.options.vScrollbar&&e.scrollerH>e.wrapperH;t=e._offset(e.wrapper);e.wrapperOffsetLeft=-t.left;e.wrapperOffsetTop=-t.top;if(typeof e.options.snap=="string"){e.pagesX=[];e.pagesY=[];s=e.scroller.querySelectorAll(e.options.snap);for(r=0,i=s.length;r<i;r++){o=e._offset(s[r]);o.left+=e.wrapperOffsetLeft;o.top+=e.wrapperOffsetTop;e.pagesX[r]=o.left<e.maxScrollX?e.maxScrollX:o.left*e.scale;e.pagesY[r]=o.top<e.maxScrollY?e.maxScrollY:o.top*e.scale}}else if(e.options.snap){e.pagesX=[];while(o>=e.maxScrollX){e.pagesX[u]=o;o=o-e.wrapperW;u++}if(e.maxScrollX%e.wrapperW)e.pagesX[e.pagesX.length]=e.maxScrollX-e.pagesX[e.pagesX.length-1]+e.pagesX[e.pagesX.length-1];o=0;u=0;e.pagesY=[];while(o>=e.maxScrollY){e.pagesY[u]=o;o=o-e.wrapperH;u++}if(e.maxScrollY%e.wrapperH)e.pagesY[e.pagesY.length]=e.maxScrollY-e.pagesY[e.pagesY.length-1]+e.pagesY[e.pagesY.length-1]}e._scrollbar("h");e._scrollbar("v");if(!e.zoomed){e.scroller.style[a]="0";e._resetPos(400)}},scrollTo:function(e,t,n,r){var i=this,s=e,o,u;i.stop();if(!s.length)s=[{x:e,y:t,time:n,relative:r}];for(o=0,u=s.length;o<u;o++){if(s[o].relative){s[o].x=i.x-s[o].x;s[o].y=i.y-s[o].y}i.steps.push({x:s[o].x,y:s[o].y,time:s[o].time||0})}i._startAni()},scrollToElement:function(e,t){var r=this,i;e=e.nodeType?e:r.scroller.querySelector(e);if(!e)return;i=r._offset(e);i.left+=r.wrapperOffsetLeft;i.top+=r.wrapperOffsetTop;i.left=i.left>0?0:i.left<r.maxScrollX?r.maxScrollX:i.left;i.top=i.top>r.minScrollY?r.minScrollY:i.top<r.maxScrollY?r.maxScrollY:i.top;t=t===undefined?n.max(n.abs(i.left)*2,n.abs(i.top)*2):t;r.scrollTo(i.left,i.top,t)},scrollToPage:function(e,t,n){var r=this,i,s;n=n===undefined?400:n;if(r.options.onScrollStart)r.options.onScrollStart.call(r);if(r.options.snap){e=e=="next"?r.currPageX+1:e=="prev"?r.currPageX-1:e;t=t=="next"?r.currPageY+1:t=="prev"?r.currPageY-1:t;e=e<0?0:e>r.pagesX.length-1?r.pagesX.length-1:e;t=t<0?0:t>r.pagesY.length-1?r.pagesY.length-1:t;r.currPageX=e;r.currPageY=t;i=r.pagesX[e];s=r.pagesY[t]}else{i=-r.wrapperW*e;s=-r.wrapperH*t;if(i<r.maxScrollX)i=r.maxScrollX;if(s<r.maxScrollY)s=r.maxScrollY}r.scrollTo(i,s,n)},disable:function(){this.stop();this._resetPos(0);this.enabled=false;this._unbind(E,e);this._unbind(S,e);this._unbind(x,e)},enable:function(){this.enabled=true},stop:function(){if(this.options.useTransition)this._unbind(T);else C(this.aniTime);this.steps=[];this.moved=false;this.animating=false},zoom:function(e,t,n,r){var i=this,s=n/i.scale;if(!i.options.useTransform)return;i.zoomed=true;r=r===undefined?200:r;e=e-i.wrapperOffsetLeft-i.x;t=t-i.wrapperOffsetTop-i.y;i.x=e-e*s+i.x;i.y=t-t*s+i.y;i.scale=n;i.refresh();i.x=i.x>0?0:i.x<i.maxScrollX?i.maxScrollX:i.x;i.y=i.y>i.minScrollY?i.minScrollY:i.y<i.maxScrollY?i.maxScrollY:i.y;i.scroller.style[a]=r+"ms";i.scroller.style[o]="translate("+i.x+"px,"+i.y+"px) scale("+n+")"+k;i.zoomed=false},isReady:function(){return!this.moved&&!this.zoomed&&!this.animating}};r=null;if(typeof exports!=="undefined")exports.iScroll=L;else e.iScroll=L})(window,document)