(function(){var m=Math,mround=function(r){return r>>0;},vendor=(/webkit/i).test(navigator.appVersion)?'webkit':(/firefox/i).test(navigator.userAgent)?'Moz':'opera'in window?'O':'',isAndroid=(/android/gi).test(navigator.appVersion),isIDevice=(/iphone|ipad/gi).test(navigator.appVersion),isPlaybook=(/playbook/gi).test(navigator.appVersion),isTouchPad=(/hp-tablet/gi).test(navigator.appVersion),has3d='WebKitCSSMatrix'in window&&'m11'in new WebKitCSSMatrix(),hasTouch='ontouchstart'in window&&!isTouchPad,hasTransform=vendor+'Transform'in document.documentElement.style,hasTransitionEnd=isIDevice||isPlaybook,nextFrame=(function(){return window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||window.msRequestAnimationFrame||function(callback){return setTimeout(callback,1);}})(),cancelFrame=(function(){return window.cancelRequestAnimationFrame||window.cancelAnimationFrame||window.webkitCancelRequestAnimationFrame||window.mozCancelRequestAnimationFrame||window.oCancelRequestAnimationFrame||window.msCancelRequestAnimationFrame||clearTimeout})(),RESIZE_EV='onorientationchange'in window?'orientationchange':'resize',START_EV=hasTouch?'touchstart':'mousedown',MOVE_EV=hasTouch?'touchmove':'mousemove',END_EV=hasTouch?'touchend':'mouseup',CANCEL_EV=hasTouch?'touchcancel':'mouseup',WHEEL_EV=vendor=='Moz'?'DOMMouseScroll':'mousewheel',trnOpen='translate'+(has3d?'3d(':'('),trnClose=has3d?',0)':')',iScroll=function(el,options){var that=this,doc=document,i;that.wrapper=typeof el=='object'?el:doc.getElementById(el);that.wrapper.style.overflow='hidden';that.scroller=that.wrapper.children[0];that.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,hScrollbar:true,vScrollbar:true,fixedScrollbar:isAndroid,hideScrollbar:isIDevice,fadeScrollbar:isIDevice&&has3d,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(i in options)that.options[i]=options[i];that.x=that.options.x;that.y=that.options.y;that.options.useTransform=hasTransform?that.options.useTransform:false;that.options.hScrollbar=that.options.hScroll&&that.options.hScrollbar;that.options.vScrollbar=that.options.vScroll&&that.options.vScrollbar;that.options.zoom=that.options.useTransform&&that.options.zoom;that.options.useTransition=hasTransitionEnd&&that.options.useTransition;if(that.options.zoom&&isAndroid){trnOpen='translate(';trnClose=')';}
that.scroller.style[vendor+'TransitionProperty']=that.options.useTransform?'-'+vendor.toLowerCase()+'-transform':'top left';that.scroller.style[vendor+'TransitionDuration']='0';that.scroller.style[vendor+'TransformOrigin']='0 0';if(that.options.useTransition)that.scroller.style[vendor+'TransitionTimingFunction']='cubic-bezier(0.33,0.66,0.66,1)';if(that.options.useTransform)that.scroller.style[vendor+'Transform']=trnOpen+that.x+'px,'+that.y+'px'+trnClose;else that.scroller.style.cssText+=';position:absolute;top:'+that.y+'px;left:'+that.x+'px';if(that.options.useTransition)that.options.fixedScrollbar=true;that.refresh();that._bind(RESIZE_EV,window);that._bind(START_EV);if(!hasTouch){that._bind('mouseout',that.wrapper);if(that.options.wheelAction!='none')
that._bind(WHEEL_EV);}
if(that.options.checkDOMChanges)that.checkDOMTime=setInterval(function(){that._checkDOMChanges();},500);};iScroll.prototype={enabled:true,x:0,y:0,steps:[],scale:1,currPageX:0,currPageY:0,pagesX:[],pagesY:[],aniTime:null,wheelZoomCount:0,handleEvent:function(e){var that=this;switch(e.type){case START_EV:if(!hasTouch&&e.button!==0)return;that._start(e);break;case MOVE_EV:that._move(e);break;case END_EV:case CANCEL_EV:that._end(e);break;case RESIZE_EV:that._resize();break;case WHEEL_EV:that._wheel(e);break;case'mouseout':that._mouseout(e);break;case'webkitTransitionEnd':that._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(dir){var that=this,doc=document,bar;if(!that[dir+'Scrollbar']){if(that[dir+'ScrollbarWrapper']){if(hasTransform)that[dir+'ScrollbarIndicator'].style[vendor+'Transform']='';that[dir+'ScrollbarWrapper'].parentNode.removeChild(that[dir+'ScrollbarWrapper']);that[dir+'ScrollbarWrapper']=null;that[dir+'ScrollbarIndicator']=null;}
return;}
if(!that[dir+'ScrollbarWrapper']){bar=doc.createElement('div');if(that.options.scrollbarClass)bar.className=that.options.scrollbarClass+dir.toUpperCase();else bar.style.cssText='position:absolute;z-index:100;'+(dir=='h'?'height:7px;bottom:1px;left:2px;right:'+(that.vScrollbar?'7':'2')+'px':'width:7px;bottom:'+(that.hScrollbar?'7':'2')+'px;top:2px;right:1px');bar.style.cssText+=';pointer-events:none;-'+vendor+'-transition-property:opacity;-'+vendor+'-transition-duration:'+(that.options.fadeScrollbar?'350ms':'0')+';overflow:hidden;opacity:'+(that.options.hideScrollbar?'0':'1');that.wrapper.appendChild(bar);that[dir+'ScrollbarWrapper']=bar;bar=doc.createElement('div');if(!that.options.scrollbarClass){bar.style.cssText='position:absolute;z-index:100;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.9);-'+vendor+'-background-clip:padding-box;-'+vendor+'-box-sizing:border-box;'+(dir=='h'?'height:100%':'width:100%')+';-'+vendor+'-border-radius:3px;border-radius:3px';}
bar.style.cssText+=';pointer-events:none;-'+vendor+'-transition-property:-'+vendor+'-transform;-'+vendor+'-transition-timing-function:cubic-bezier(0.33,0.66,0.66,1);-'+vendor+'-transition-duration:0;-'+vendor+'-transform:'+trnOpen+'0,0'+trnClose;if(that.options.useTransition)bar.style.cssText+=';-'+vendor+'-transition-timing-function:cubic-bezier(0.33,0.66,0.66,1)';that[dir+'ScrollbarWrapper'].appendChild(bar);that[dir+'ScrollbarIndicator']=bar;}
if(dir=='h'){that.hScrollbarSize=that.hScrollbarWrapper.clientWidth;that.hScrollbarIndicatorSize=m.max(mround(that.hScrollbarSize*that.hScrollbarSize/that.scrollerW),8);that.hScrollbarIndicator.style.width=that.hScrollbarIndicatorSize+'px';that.hScrollbarMaxScroll=that.hScrollbarSize-that.hScrollbarIndicatorSize;that.hScrollbarProp=that.hScrollbarMaxScroll/that.maxScrollX;}else{that.vScrollbarSize=that.vScrollbarWrapper.clientHeight;that.vScrollbarIndicatorSize=m.max(mround(that.vScrollbarSize*that.vScrollbarSize/that.scrollerH),8);that.vScrollbarIndicator.style.height=that.vScrollbarIndicatorSize+'px';that.vScrollbarMaxScroll=that.vScrollbarSize-that.vScrollbarIndicatorSize;that.vScrollbarProp=that.vScrollbarMaxScroll/that.maxScrollY;}
that._scrollbarPos(dir,true);},_resize:function(){var that=this;setTimeout(function(){that.refresh();},isAndroid?200:0);},_pos:function(x,y){x=this.hScroll?x:0;y=this.vScroll?y:0;if(this.options.useTransform){this.scroller.style[vendor+'Transform']=trnOpen+x+'px,'+y+'px'+trnClose+' scale('+this.scale+')';}else{x=mround(x);y=mround(y);this.scroller.style.left=x+'px';this.scroller.style.top=y+'px';}
this.x=x;this.y=y;this._scrollbarPos('h');this._scrollbarPos('v');},_scrollbarPos:function(dir,hidden){var that=this,pos=dir=='h'?that.x:that.y,size;if(!that[dir+'Scrollbar'])return;pos=that[dir+'ScrollbarProp']*pos;if(pos<0){if(!that.options.fixedScrollbar){size=that[dir+'ScrollbarIndicatorSize']+mround(pos*3);if(size<8)size=8;that[dir+'ScrollbarIndicator'].style[dir=='h'?'width':'height']=size+'px';}
pos=0;}else if(pos>that[dir+'ScrollbarMaxScroll']){if(!that.options.fixedScrollbar){size=that[dir+'ScrollbarIndicatorSize']-mround((pos-that[dir+'ScrollbarMaxScroll'])*3);if(size<8)size=8;that[dir+'ScrollbarIndicator'].style[dir=='h'?'width':'height']=size+'px';pos=that[dir+'ScrollbarMaxScroll']+(that[dir+'ScrollbarIndicatorSize']-size);}else{pos=that[dir+'ScrollbarMaxScroll'];}}
that[dir+'ScrollbarWrapper'].style[vendor+'TransitionDelay']='0';that[dir+'ScrollbarWrapper'].style.opacity=hidden&&that.options.hideScrollbar?'0':'1';that[dir+'ScrollbarIndicator'].style[vendor+'Transform']=trnOpen+(dir=='h'?pos+'px,0':'0,'+pos+'px')+trnClose;},_start:function(e){var that=this,point=hasTouch?e.touches[0]:e,matrix,x,y,c1,c2;if(!that.enabled)return;if(that.options.onBeforeScrollStart)that.options.onBeforeScrollStart.call(that,e);if(that.options.useTransition||that.options.zoom)that._transitionTime(0);that.moved=false;that.animating=false;that.zoomed=false;that.distX=0;that.distY=0;that.absDistX=0;that.absDistY=0;that.dirX=0;that.dirY=0;if(that.options.zoom&&hasTouch&&e.touches.length>1){c1=m.abs(e.touches[0].pageX-e.touches[1].pageX);c2=m.abs(e.touches[0].pageY-e.touches[1].pageY);that.touchesDistStart=m.sqrt(c1*c1+c2*c2);that.originX=m.abs(e.touches[0].pageX+e.touches[1].pageX-that.wrapperOffsetLeft*2)/2-that.x;that.originY=m.abs(e.touches[0].pageY+e.touches[1].pageY-that.wrapperOffsetTop*2)/2-that.y;if(that.options.onZoomStart)that.options.onZoomStart.call(that,e);}
if(that.options.momentum){if(that.options.useTransform){matrix=getComputedStyle(that.scroller,null)[vendor+'Transform'].replace(/[^0-9-.,]/g,'').split(',');x=matrix[4]*1;y=matrix[5]*1;}else{x=getComputedStyle(that.scroller,null).left.replace(/[^0-9-]/g,'')*1;y=getComputedStyle(that.scroller,null).top.replace(/[^0-9-]/g,'')*1;}
if(x!=that.x||y!=that.y){if(that.options.useTransition)that._unbind('webkitTransitionEnd');else cancelFrame(that.aniTime);that.steps=[];that._pos(x,y);}}
that.absStartX=that.x;that.absStartY=that.y;that.startX=that.x;that.startY=that.y;that.pointX=point.pageX;that.pointY=point.pageY;that.startTime=e.timeStamp||Date.now();if(that.options.onScrollStart)that.options.onScrollStart.call(that,e);that._bind(MOVE_EV);that._bind(END_EV);that._bind(CANCEL_EV);},_move:function(e){var that=this,point=hasTouch?e.touches[0]:e,deltaX=point.pageX-that.pointX,deltaY=point.pageY-that.pointY,newX=that.x+deltaX,newY=that.y+deltaY,c1,c2,scale,timestamp=e.timeStamp||Date.now();if(that.options.onBeforeScrollMove)that.options.onBeforeScrollMove.call(that,e);if(that.options.zoom&&hasTouch&&e.touches.length>1){c1=m.abs(e.touches[0].pageX-e.touches[1].pageX);c2=m.abs(e.touches[0].pageY-e.touches[1].pageY);that.touchesDist=m.sqrt(c1*c1+c2*c2);that.zoomed=true;scale=1/that.touchesDistStart*that.touchesDist*this.scale;if(scale<that.options.zoomMin)scale=0.5*that.options.zoomMin*Math.pow(2.0,scale/that.options.zoomMin);else if(scale>that.options.zoomMax)scale=2.0*that.options.zoomMax*Math.pow(0.5,that.options.zoomMax/scale);that.lastScale=scale/this.scale;newX=this.originX-this.originX*that.lastScale+this.x,newY=this.originY-this.originY*that.lastScale+this.y;this.scroller.style[vendor+'Transform']=trnOpen+newX+'px,'+newY+'px'+trnClose+' scale('+scale+')';if(that.options.onZoom)that.options.onZoom.call(that,e);return;}
that.pointX=point.pageX;that.pointY=point.pageY;if(newX>0||newX<that.maxScrollX){newX=that.options.bounce?that.x+(deltaX/2):newX>=0||that.maxScrollX>=0?0:that.maxScrollX;}
if(newY>that.minScrollY||newY<that.maxScrollY){newY=that.options.bounce?that.y+(deltaY/2):newY>=that.minScrollY||that.maxScrollY>=0?that.minScrollY:that.maxScrollY;}
if(that.absDistX<6&&that.absDistY<6){that.distX+=deltaX;that.distY+=deltaY;that.absDistX=m.abs(that.distX);that.absDistY=m.abs(that.distY);return;}
if(that.options.lockDirection){if(that.absDistX>that.absDistY+5){newY=that.y;deltaY=0;}else if(that.absDistY>that.absDistX+5){newX=that.x;deltaX=0;}}
that.moved=true;that._pos(newX,newY);that.dirX=deltaX>0?-1:deltaX<0?1:0;that.dirY=deltaY>0?-1:deltaY<0?1:0;if(timestamp-that.startTime>300){that.startTime=timestamp;that.startX=that.x;that.startY=that.y;}
if(that.options.onScrollMove)that.options.onScrollMove.call(that,e);},_end:function(e){if(hasTouch&&e.touches.length!=0)return;var that=this,point=hasTouch?e.changedTouches[0]:e,target,ev,momentumX={dist:0,time:0},momentumY={dist:0,time:0},duration=(e.timeStamp||Date.now())-that.startTime,newPosX=that.x,newPosY=that.y,distX,distY,newDuration,snap,scale;that._unbind(MOVE_EV);that._unbind(END_EV);that._unbind(CANCEL_EV);if(that.options.onBeforeScrollEnd)that.options.onBeforeScrollEnd.call(that,e);if(that.zoomed){scale=that.scale*that.lastScale;scale=Math.max(that.options.zoomMin,scale);scale=Math.min(that.options.zoomMax,scale);that.lastScale=scale/that.scale;that.scale=scale;that.x=that.originX-that.originX*that.lastScale+that.x;that.y=that.originY-that.originY*that.lastScale+that.y;that.scroller.style[vendor+'TransitionDuration']='200ms';that.scroller.style[vendor+'Transform']=trnOpen+that.x+'px,'+that.y+'px'+trnClose+' scale('+that.scale+')';that.zoomed=false;that.refresh();if(that.options.onZoomEnd)that.options.onZoomEnd.call(that,e);return;}
if(!that.moved){if(hasTouch){if(that.doubleTapTimer&&that.options.zoom){clearTimeout(that.doubleTapTimer);that.doubleTapTimer=null;if(that.options.onZoomStart)that.options.onZoomStart.call(that,e);that.zoom(that.pointX,that.pointY,that.scale==1?that.options.doubleTapZoom:1);if(that.options.onZoomEnd){setTimeout(function(){that.options.onZoomEnd.call(that,e);},200);}}else{that.doubleTapTimer=setTimeout(function(){that.doubleTapTimer=null;target=point.target;while(target.nodeType!=1)target=target.parentNode;if(target.tagName!='SELECT'&&target.tagName!='INPUT'&&target.tagName!='TEXTAREA'){ev=document.createEvent('MouseEvents');ev.initMouseEvent('click',true,true,e.view,1,point.screenX,point.screenY,point.clientX,point.clientY,e.ctrlKey,e.altKey,e.shiftKey,e.metaKey,0,null);ev._fake=true;target.dispatchEvent(ev);}},that.options.zoom?250:0);}}
that._resetPos(200);if(that.options.onTouchEnd)that.options.onTouchEnd.call(that,e);return;}
if(duration<300&&that.options.momentum){momentumX=newPosX?that._momentum(newPosX-that.startX,duration,-that.x,that.scrollerW-that.wrapperW+that.x,that.options.bounce?that.wrapperW:0):momentumX;momentumY=newPosY?that._momentum(newPosY-that.startY,duration,-that.y,(that.maxScrollY<0?that.scrollerH-that.wrapperH+that.y-that.minScrollY:0),that.options.bounce?that.wrapperH:0):momentumY;newPosX=that.x+momentumX.dist;newPosY=that.y+momentumY.dist;if((that.x>0&&newPosX>0)||(that.x<that.maxScrollX&&newPosX<that.maxScrollX))momentumX={dist:0,time:0};if((that.y>that.minScrollY&&newPosY>that.minScrollY)||(that.y<that.maxScrollY&&newPosY<that.maxScrollY))momentumY={dist:0,time:0};}
if(momentumX.dist||momentumY.dist){newDuration=m.max(m.max(momentumX.time,momentumY.time),10);if(that.options.snap){distX=newPosX-that.absStartX;distY=newPosY-that.absStartY;if(m.abs(distX)<that.options.snapThreshold&&m.abs(distY)<that.options.snapThreshold){that.scrollTo(that.absStartX,that.absStartY,200);}
else{snap=that._snap(newPosX,newPosY);newPosX=snap.x;newPosY=snap.y;newDuration=m.max(snap.time,newDuration);}}
that.scrollTo(mround(newPosX),mround(newPosY),newDuration);if(that.options.onTouchEnd)that.options.onTouchEnd.call(that,e);return;}
if(that.options.snap){distX=newPosX-that.absStartX;distY=newPosY-that.absStartY;if(m.abs(distX)<that.options.snapThreshold&&m.abs(distY)<that.options.snapThreshold)that.scrollTo(that.absStartX,that.absStartY,200);else{snap=that._snap(that.x,that.y);if(snap.x!=that.x||snap.y!=that.y)that.scrollTo(snap.x,snap.y,snap.time);}
if(that.options.onTouchEnd)that.options.onTouchEnd.call(that,e);return;}
that._resetPos(200);if(that.options.onTouchEnd)that.options.onTouchEnd.call(that,e);},_resetPos:function(time){var that=this,resetX=that.x>=0?0:that.x<that.maxScrollX?that.maxScrollX:that.x,resetY=that.y>=that.minScrollY||that.maxScrollY>0?that.minScrollY:that.y<that.maxScrollY?that.maxScrollY:that.y;if(resetX==that.x&&resetY==that.y){if(that.moved){that.moved=false;if(that.options.onScrollEnd)that.options.onScrollEnd.call(that);}
if(that.hScrollbar&&that.options.hideScrollbar){if(vendor=='webkit')that.hScrollbarWrapper.style[vendor+'TransitionDelay']='300ms';that.hScrollbarWrapper.style.opacity='0';}
if(that.vScrollbar&&that.options.hideScrollbar){if(vendor=='webkit')that.vScrollbarWrapper.style[vendor+'TransitionDelay']='300ms';that.vScrollbarWrapper.style.opacity='0';}
return;}
that.scrollTo(resetX,resetY,time||0);},_wheel:function(e){var that=this,wheelDeltaX,wheelDeltaY,deltaX,deltaY,deltaScale;if('wheelDeltaX'in e){wheelDeltaX=e.wheelDeltaX/12;wheelDeltaY=e.wheelDeltaY/12;}else if('detail'in e){wheelDeltaX=wheelDeltaY=-e.detail*3;}else{wheelDeltaX=wheelDeltaY=-e.wheelDelta;}
if(that.options.wheelAction=='zoom'){deltaScale=that.scale*Math.pow(2,1/3*(wheelDeltaY?wheelDeltaY/Math.abs(wheelDeltaY):0));if(deltaScale<that.options.zoomMin)deltaScale=that.options.zoomMin;if(deltaScale>that.options.zoomMax)deltaScale=that.options.zoomMax;if(deltaScale!=that.scale){if(!that.wheelZoomCount&&that.options.onZoomStart)that.options.onZoomStart.call(that,e);that.wheelZoomCount++;that.zoom(e.pageX,e.pageY,deltaScale,400);setTimeout(function(){that.wheelZoomCount--;if(!that.wheelZoomCount&&that.options.onZoomEnd)that.options.onZoomEnd.call(that,e);},400);}
return;}
deltaX=that.x+wheelDeltaX;deltaY=that.y+wheelDeltaY;if(deltaX>0)deltaX=0;else if(deltaX<that.maxScrollX)deltaX=that.maxScrollX;if(deltaY>that.minScrollY)deltaY=that.minScrollY;else if(deltaY<that.maxScrollY)deltaY=that.maxScrollY;that.scrollTo(deltaX,deltaY,0);},_mouseout:function(e){var t=e.relatedTarget;if(!t){this._end(e);return;}
while(t=t.parentNode)if(t==this.wrapper)return;this._end(e);},_transitionEnd:function(e){var that=this;if(e.target!=that.scroller)return;that._unbind('webkitTransitionEnd');that._startAni();},_startAni:function(){var that=this,startX=that.x,startY=that.y,startTime=Date.now(),step,easeOut,animate;if(that.animating)return;if(!that.steps.length){that._resetPos(400);return;}
step=that.steps.shift();if(step.x==startX&&step.y==startY)step.time=0;that.animating=true;that.moved=true;if(that.options.useTransition){that._transitionTime(step.time);that._pos(step.x,step.y);that.animating=false;if(step.time)that._bind('webkitTransitionEnd');else that._resetPos(0);return;}
animate=function(){var now=Date.now(),newX,newY;if(now>=startTime+step.time){that._pos(step.x,step.y);that.animating=false;if(that.options.onAnimationEnd)that.options.onAnimationEnd.call(that);that._startAni();return;}
now=(now-startTime)/step.time-1;easeOut=m.sqrt(1-now*now);newX=(step.x-startX)*easeOut+startX;newY=(step.y-startY)*easeOut+startY;that._pos(newX,newY);if(that.animating)that.aniTime=nextFrame(animate);};animate();},_transitionTime:function(time){time+='ms';this.scroller.style[vendor+'TransitionDuration']=time;if(this.hScrollbar)this.hScrollbarIndicator.style[vendor+'TransitionDuration']=time;if(this.vScrollbar)this.vScrollbarIndicator.style[vendor+'TransitionDuration']=time;},_momentum:function(dist,time,maxDistUpper,maxDistLower,size){var deceleration=0.0006,speed=m.abs(dist)/time,newDist=(speed*speed)/(2*deceleration),newTime=0,outsideDist=0;if(dist>0&&newDist>maxDistUpper){outsideDist=size/(6/(newDist/speed*deceleration));maxDistUpper=maxDistUpper+outsideDist;speed=speed*maxDistUpper/newDist;newDist=maxDistUpper;}else if(dist<0&&newDist>maxDistLower){outsideDist=size/(6/(newDist/speed*deceleration));maxDistLower=maxDistLower+outsideDist;speed=speed*maxDistLower/newDist;newDist=maxDistLower;}
newDist=newDist*(dist<0?-1:1);newTime=speed/deceleration;return{dist:newDist,time:mround(newTime)};},_offset:function(el){var left=-el.offsetLeft,top=-el.offsetTop;while(el=el.offsetParent){left-=el.offsetLeft;top-=el.offsetTop;}
if(el!=this.wrapper){left*=this.scale;top*=this.scale;}
return{left:left,top:top};},_snap:function(x,y){var that=this,i,l,page,time,sizeX,sizeY;page=that.pagesX.length-1;for(i=0,l=that.pagesX.length;i<l;i++){if(x>=that.pagesX[i]){page=i;break;}}
if(page==that.currPageX&&page>0&&that.dirX<0)page--;x=that.pagesX[page];sizeX=m.abs(x-that.pagesX[that.currPageX]);sizeX=sizeX?m.abs(that.x-x)/sizeX*500:0;that.currPageX=page;page=that.pagesY.length-1;for(i=0;i<page;i++){if(y>=that.pagesY[i]){page=i;break;}}
if(page==that.currPageY&&page>0&&that.dirY<0)page--;y=that.pagesY[page];sizeY=m.abs(y-that.pagesY[that.currPageY]);sizeY=sizeY?m.abs(that.y-y)/sizeY*500:0;that.currPageY=page;time=mround(m.max(sizeX,sizeY))||200;return{x:x,y:y,time:time};},_bind:function(type,el,bubble){(el||this.scroller).addEventListener(type,this,!!bubble);},_unbind:function(type,el,bubble){(el||this.scroller).removeEventListener(type,this,!!bubble);},destroy:function(){var that=this;that.scroller.style[vendor+'Transform']='';that.hScrollbar=false;that.vScrollbar=false;that._scrollbar('h');that._scrollbar('v');that._unbind(RESIZE_EV,window);that._unbind(START_EV);that._unbind(MOVE_EV);that._unbind(END_EV);that._unbind(CANCEL_EV);if(!that.options.hasTouch){that._unbind('mouseout',that.wrapper);that._unbind(WHEEL_EV);}
if(that.options.useTransition)that._unbind('webkitTransitionEnd');if(that.options.checkDOMChanges)clearInterval(that.checkDOMTime);if(that.options.onDestroy)that.options.onDestroy.call(that);},refresh:function(){var that=this,offset,i,l,els,pos=0,page=0;if(that.scale<that.options.zoomMin)that.scale=that.options.zoomMin;that.wrapperW=that.wrapper.clientWidth||1;that.wrapperH=that.wrapper.clientHeight||1;that.minScrollY=-that.options.topOffset||0;that.scrollerW=mround(that.scroller.offsetWidth*that.scale);that.scrollerH=mround((that.scroller.offsetHeight+that.minScrollY)*that.scale);that.maxScrollX=that.wrapperW-that.scrollerW;that.maxScrollY=that.wrapperH-that.scrollerH+that.minScrollY;that.dirX=0;that.dirY=0;if(that.options.onRefresh)that.options.onRefresh.call(that);that.hScroll=that.options.hScroll&&that.maxScrollX<0;that.vScroll=that.options.vScroll&&(!that.options.bounceLock&&!that.hScroll||that.scrollerH>that.wrapperH);that.hScrollbar=that.hScroll&&that.options.hScrollbar;that.vScrollbar=that.vScroll&&that.options.vScrollbar&&that.scrollerH>that.wrapperH;offset=that._offset(that.wrapper);that.wrapperOffsetLeft=-offset.left;that.wrapperOffsetTop=-offset.top;if(typeof that.options.snap=='string'){that.pagesX=[];that.pagesY=[];els=that.scroller.querySelectorAll(that.options.snap);for(i=0,l=els.length;i<l;i++){pos=that._offset(els[i]);pos.left+=that.wrapperOffsetLeft;pos.top+=that.wrapperOffsetTop;that.pagesX[i]=pos.left<that.maxScrollX?that.maxScrollX:pos.left*that.scale;that.pagesY[i]=pos.top<that.maxScrollY?that.maxScrollY:pos.top*that.scale;}}else if(that.options.snap){that.pagesX=[];while(pos>=that.maxScrollX){that.pagesX[page]=pos;pos=pos-that.wrapperW;page++;}
if(that.maxScrollX%that.wrapperW)that.pagesX[that.pagesX.length]=that.maxScrollX-that.pagesX[that.pagesX.length-1]+that.pagesX[that.pagesX.length-1];pos=0;page=0;that.pagesY=[];while(pos>=that.maxScrollY){that.pagesY[page]=pos;pos=pos-that.wrapperH;page++;}
if(that.maxScrollY%that.wrapperH)that.pagesY[that.pagesY.length]=that.maxScrollY-that.pagesY[that.pagesY.length-1]+that.pagesY[that.pagesY.length-1];}
that._scrollbar('h');that._scrollbar('v');if(!that.zoomed){that.scroller.style[vendor+'TransitionDuration']='0';that._resetPos(200);}},scrollTo:function(x,y,time,relative){var that=this,step=x,i,l;that.stop();if(!step.length)step=[{x:x,y:y,time:time,relative:relative}];for(i=0,l=step.length;i<l;i++){if(step[i].relative){step[i].x=that.x-step[i].x;step[i].y=that.y-step[i].y;}
that.steps.push({x:step[i].x,y:step[i].y,time:step[i].time||0});}
that._startAni();},scrollToElement:function(el,time){var that=this,pos;el=el.nodeType?el:that.scroller.querySelector(el);if(!el)return;pos=that._offset(el);pos.left+=that.wrapperOffsetLeft;pos.top+=that.wrapperOffsetTop;pos.left=pos.left>0?0:pos.left<that.maxScrollX?that.maxScrollX:pos.left;pos.top=pos.top>that.minScrollY?that.minScrollY:pos.top<that.maxScrollY?that.maxScrollY:pos.top;time=time===undefined?m.max(m.abs(pos.left)*2,m.abs(pos.top)*2):time;that.scrollTo(pos.left,pos.top,time);},scrollToPage:function(pageX,pageY,time){var that=this,x,y;time=time===undefined?400:time;if(that.options.onScrollStart)that.options.onScrollStart.call(that);if(that.options.snap){pageX=pageX=='next'?that.currPageX+1:pageX=='prev'?that.currPageX-1:pageX;pageY=pageY=='next'?that.currPageY+1:pageY=='prev'?that.currPageY-1:pageY;pageX=pageX<0?0:pageX>that.pagesX.length-1?that.pagesX.length-1:pageX;pageY=pageY<0?0:pageY>that.pagesY.length-1?that.pagesY.length-1:pageY;that.currPageX=pageX;that.currPageY=pageY;x=that.pagesX[pageX];y=that.pagesY[pageY];}else{x=-that.wrapperW*pageX;y=-that.wrapperH*pageY;if(x<that.maxScrollX)x=that.maxScrollX;if(y<that.maxScrollY)y=that.maxScrollY;}
that.scrollTo(x,y,time);},disable:function(){this.stop();this._resetPos(0);this.enabled=false;this._unbind(MOVE_EV);this._unbind(END_EV);this._unbind(CANCEL_EV);},enable:function(){this.enabled=true;},stop:function(){if(this.options.useTransition)this._unbind('webkitTransitionEnd');else cancelFrame(this.aniTime);this.steps=[];this.moved=false;this.animating=false;},zoom:function(x,y,scale,time){var that=this,relScale=scale/that.scale;if(!that.options.useTransform)return;that.zoomed=true;time=time===undefined?200:time;x=x-that.wrapperOffsetLeft-that.x;y=y-that.wrapperOffsetTop-that.y;that.x=x-x*relScale+that.x;that.y=y-y*relScale+that.y;that.scale=scale;that.refresh();that.x=that.x>0?0:that.x<that.maxScrollX?that.maxScrollX:that.x;that.y=that.y>that.minScrollY?that.minScrollY:that.y<that.maxScrollY?that.maxScrollY:that.y;that.scroller.style[vendor+'TransitionDuration']=time+'ms';that.scroller.style[vendor+'Transform']=trnOpen+that.x+'px,'+that.y+'px'+trnClose+' scale('+scale+')';that.zoomed=false;},isReady:function(){return!this.moved&&!this.zoomed&&!this.animating;}};if(typeof exports!=='undefined')exports.iScroll=iScroll;else window.iScroll=iScroll;})();