/*! copyright (c) 2013 brandon aaron (http://brandon.aaron.sh)
* licensed under the mit license (license.txt).
*
* version: 3.1.9
*
* requires: jquery 1.2.2+
*/(function(factory){if(typeof define==='function'&&define.amd){define(['jquery'],factory);}else if(typeof exports==='object'){module.exports=factory;}else{factory(jquery);}}(function($){var tofix=['wheel','mousewheel','dommousescroll','mozmousepixelscroll'],tobind=('onwheel'in document||document.documentmode>=9)?['wheel']:['mousewheel','dommousescroll','mozmousepixelscroll'],slice=array.prototype.slice,nulllowestdeltatimeout,lowestdelta;if($.event.fixhooks){for(var i=tofix.length;i;){$.event.fixhooks[tofix[--i]]=$.event.mousehooks;}}
var special=$.event.special.mousewheel={version:'3.1.9',setup:function(){if(this.addeventlistener){for(var i=tobind.length;i;){this.addeventlistener(tobind[--i],handler,false);}}else{this.onmousewheel=handler;}
$.data(this,'mousewheel-line-height',special.getlineheight(this));$.data(this,'mousewheel-page-height',special.getpageheight(this));},teardown:function(){if(this.removeeventlistener){for(var i=tobind.length;i;){this.removeeventlistener(tobind[--i],handler,false);}}else{this.onmousewheel=null;}},getlineheight:function(elem){return parseint($(elem)['offsetparent'in $.fn?'offsetparent':'parent']().css('fontsize'),10);},getpageheight:function(elem){return $(elem).height();},settings:{adjustolddeltas:true}};$.fn.extend({mousewheel:function(fn){return fn?this.bind('mousewheel',fn):this.trigger('mousewheel');},unmousewheel:function(fn){return this.unbind('mousewheel',fn);}});function handler(event){var orgevent=event||window.event,args=slice.call(arguments,1),delta=0,deltax=0,deltay=0,absdelta=0;event=$.event.fix(orgevent);event.type='mousewheel';if('detail'in orgevent){deltay=orgevent.detail*-1;}
if('wheeldelta'in orgevent){deltay=orgevent.wheeldelta;}
if('wheeldeltay'in orgevent){deltay=orgevent.wheeldeltay;}
if('wheeldeltax'in orgevent){deltax=orgevent.wheeldeltax*-1;}
if('axis'in orgevent&&orgevent.axis===orgevent.horizontal_axis){deltax=deltay*-1;deltay=0;}
delta=deltay===0?deltax:deltay;if('deltay'in orgevent){deltay=orgevent.deltay*-1;delta=deltay;}
if('deltax'in orgevent){deltax=orgevent.deltax;if(deltay===0){delta=deltax*-1;}}
if(deltay===0&&deltax===0){return;}
if(orgevent.deltamode===1){var lineheight=$.data(this,'mousewheel-line-height');delta*=lineheight;deltay*=lineheight;deltax*=lineheight;}else if(orgevent.deltamode===2){var pageheight=$.data(this,'mousewheel-page-height');delta*=pageheight;deltay*=pageheight;deltax*=pageheight;}
absdelta=math.max(math.abs(deltay),math.abs(deltax));if(!lowestdelta||absdelta<lowestdelta){lowestdelta=absdelta;if(shouldadjustolddeltas(orgevent,absdelta)){lowestdelta/=40;}}
if(shouldadjustolddeltas(orgevent,absdelta)){delta/=40;deltax/=40;deltay/=40;}
delta=math[delta>=1?'floor':'ceil'](delta/lowestdelta);deltax=math[deltax>=1?'floor':'ceil'](deltax/lowestdelta);deltay=math[deltay>=1?'floor':'ceil'](deltay/lowestdelta);event.deltax=deltax;event.deltay=deltay;event.deltafactor=lowestdelta;event.deltamode=0;args.unshift(event,delta,deltax,deltay);if(nulllowestdeltatimeout){cleartimeout(nulllowestdeltatimeout);}
nulllowestdeltatimeout=settimeout(nulllowestdelta,200);return($.event.dispatch||$.event.handle).apply(this,args);}
function nulllowestdelta(){lowestdelta=null;}
function shouldadjustolddeltas(orgevent,absdelta){return special.settings.adjustolddeltas&&orgevent.type==='mousewheel'&&absdelta%120===0;}}));