(function(){"use strict";var keyCounter=0;var allWaypoints={};function Waypoint(options){if(!options){throw new Error("No options passed to Waypoint constructor")}if(!options.element){throw new Error("No element option passed to Waypoint constructor")}if(!options.handler){throw new Error("No handler option passed to Waypoint constructor")}this.key="waypoint-"+keyCounter;this.options=Waypoint.Adapter.extend({},Waypoint.defaults,options);this.element=this.options.element;this.adapter=new Waypoint.Adapter(this.element);this.callback=options.handler;this.axis=this.options.horizontal?"horizontal":"vertical";this.enabled=this.options.enabled;this.triggerPoint=null;this.group=Waypoint.Group.findOrCreate({name:this.options.group,axis:this.axis});this.context=Waypoint.Context.findOrCreateByElement(this.options.context);if(Waypoint.offsetAliases[this.options.offset]){this.options.offset=Waypoint.offsetAliases[this.options.offset]}this.group.add(this);this.context.add(this);allWaypoints[this.key]=this;keyCounter+=1}Waypoint.prototype.queueTrigger=function(direction){this.group.queueTrigger(this,direction)};Waypoint.prototype.trigger=function(args){if(!this.enabled){return}if(this.callback){this.callback.apply(this,args)}};Waypoint.prototype.destroy=function(){this.context.remove(this);this.group.remove(this);delete allWaypoints[this.key]};Waypoint.prototype.disable=function(){this.enabled=false;return this};Waypoint.prototype.enable=function(){this.context.refresh();this.enabled=true;return this};Waypoint.prototype.next=function(){return this.group.next(this)};Waypoint.prototype.previous=function(){return this.group.previous(this)};Waypoint.invokeAll=function(method){var allWaypointsArray=[];for(var waypointKey in allWaypoints){allWaypointsArray.push(allWaypoints[waypointKey])}for(var i=0,end=allWaypointsArray.length;iaxis.oldScroll;var direction=isForward?axis.forward:axis.backward;for(var waypointKey in this.waypoints[axisKey]){var waypoint=this.waypoints[axisKey][waypointKey];var wasBeforeTriggerPoint=axis.oldScroll=waypoint.triggerPoint;var crossedForward=wasBeforeTriggerPoint&&nowAfterTriggerPoint;var crossedBackward=!wasBeforeTriggerPoint&&!nowAfterTriggerPoint;if(crossedForward||crossedBackward){waypoint.queueTrigger(direction);triggeredGroups[waypoint.group.id]=waypoint.group}}}for(var groupKey in triggeredGroups){triggeredGroups[groupKey].flushTriggers()}this.oldScroll={x:axes.horizontal.newScroll,y:axes.vertical.newScroll}};Context.prototype.innerHeight=function(){if(this.element==this.element.window){return Waypoint.viewportHeight()}return this.adapter.innerHeight()};Context.prototype.remove=function(waypoint){delete this.waypoints[waypoint.axis][waypoint.key];this.checkEmpty()};Context.prototype.innerWidth=function(){if(this.element==this.element.window){return Waypoint.viewportWidth()}return this.adapter.innerWidth()};Context.prototype.destroy=function(){var allWaypoints=[];for(var axis in this.waypoints){for(var waypointKey in this.waypoints[axis]){allWaypoints.push(this.waypoints[axis][waypointKey])}}for(var i=0,end=allWaypoints.length;i-1){adjustment=Math.ceil(axis.contextDimension*adjustment/100)}}contextModifier=axis.contextScroll-axis.contextOffset;waypoint.triggerPoint=elementOffset+contextModifier-adjustment;wasBeforeScroll=oldTriggerPoint=axis.oldScroll;triggeredBackward=wasBeforeScroll&&nowAfterScroll;triggeredForward=!wasBeforeScroll&&!nowAfterScroll;if(!freshWaypoint&&triggeredBackward){waypoint.queueTrigger(axis.backward);triggeredGroups[waypoint.group.id]=waypoint.group}else if(!freshWaypoint&&triggeredForward){waypoint.queueTrigger(axis.forward);triggeredGroups[waypoint.group.id]=waypoint.group}else if(freshWaypoint&&axis.oldScroll>=waypoint.triggerPoint){waypoint.queueTrigger(axis.forward);triggeredGroups[waypoint.group.id]=waypoint.group}}}Waypoint.requestAnimationFrame(function(){for(var groupKey in triggeredGroups){triggeredGroups[groupKey].flushTriggers()}});return this};Context.findOrCreateByElement=function(element){return Context.findByElement(element)||new Context(element)};Context.refreshAll=function(){for(var contextId in contexts){contexts[contextId].refresh()}};Context.findByElement=function(element){return contexts[element.waypointContextKey]};window.onload=function(){if(oldWindowLoad){oldWindowLoad()}Context.refreshAll()};Waypoint.requestAnimationFrame=function(callback){var requestFn=window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||requestAnimationFrameShim;requestFn.call(window,callback)};Waypoint.Context=Context})();(function(){"use strict";function byTriggerPoint(a,b){return a.triggerPoint-b.triggerPoint}function byReverseTriggerPoint(a,b){return b.triggerPoint-a.triggerPoint}var groups={vertical:{},horizontal:{}};var Waypoint=window.Waypoint;function Group(options){this.name=options.name;this.axis=options.axis;this.id=this.name+"-"+this.axis;this.waypoints=[];this.clearTriggerQueues();groups[this.axis][this.name]=this}Group.prototype.add=function(waypoint){this.waypoints.push(waypoint)};Group.prototype.clearTriggerQueues=function(){this.triggerQueues={up:[],down:[],left:[],right:[]}};Group.prototype.flushTriggers=function(){for(var direction in this.triggerQueues){var waypoints=this.triggerQueues[direction];var reverse=direction==="up"||direction==="left";waypoints.sort(reverse?byReverseTriggerPoint:byTriggerPoint);for(var i=0,end=waypoints.length;i-1){this.waypoints.splice(index,1)}};Group.prototype.first=function(){return this.waypoints[0]};Group.prototype.last=function(){return this.waypoints[this.waypoints.length-1]};Group.findOrCreate=function(options){return groups[options.axis][options.name]||new Group(options)};Waypoint.Group=Group})();(function(){"use strict";var $=window.jQuery;var Waypoint=window.Waypoint;function JQueryAdapter(element){this.$element=$(element)}$.each(["innerHeight","innerWidth","off","offset","on","outerHeight","outerWidth","scrollLeft","scrollTop"],function(i,method){JQueryAdapter.prototype[method]=function(){var args=Array.prototype.slice.call(arguments);return this.$element[method].apply(this.$element,args)}});$.each(["extend","inArray","isEmptyObject"],function(i,method){JQueryAdapter[method]=$[method]});Waypoint.adapters.push({name:"jquery",Adapter:JQueryAdapter});Waypoint.Adapter=JQueryAdapter})();(function(){"use strict";var Waypoint=window.Waypoint;function createExtension(framework){return function(){var waypoints=[];var overrides=arguments[0];if(framework.isFunction(arguments[0])){overrides=framework.extend({},arguments[1]);overrides.handler=arguments[0]}this.each(function(){var options=framework.extend({},overrides,{element:this});if(typeof options.context==="string"){options.context=framework(this).closest(options.context)[0]}waypoints.push(new Waypoint(options))});return waypoints}}if(window.jQuery){window.jQuery.fn.waypoint=createExtension(window.jQuery)}if(window.Zepto){window.Zepto.fn.waypoint=createExtension(window.Zepto)}})();