;(function(window,document,undefined){'use strict';var NAME='Parallax';var MAGIC_NUMBER=30;var DEFAULTS={relativeInput:false,clipRelativeInput:false,calibrationThreshold:100,calibrationDelay:500,supportDelay:500,calibrateX:false,calibrateY:true,invertX:true,invertY:true,limitX:false,limitY:false,scalarX:5.0,scalarY:5.0,frictionX:0.1,frictionY:0.1,originX:0.5,originY:0.5};function Parallax(element,options){this.element=element;if(this.element==null)return;this.layers=element.getElementsByClassName('layer');var data={calibrateX:this.data(this.element,'calibrate-x'),calibrateY:this.data(this.element,'calibrate-y'),invertX:this.data(this.element,'invert-x'),invertY:this.data(this.element,'invert-y'),limitX:this.data(this.element,'limit-x'),limitY:this.data(this.element,'limit-y'),scalarX:this.data(this.element,'scalar-x'),scalarY:this.data(this.element,'scalar-y'),frictionX:this.data(this.element,'friction-x'),frictionY:this.data(this.element,'friction-y'),originX:this.data(this.element,'origin-x'),originY:this.data(this.element,'origin-y')};for(var key in data){if(data[key]===null)delete data[key];}this.extend(this,DEFAULTS,options,data);this.calibrationTimer=null;this.calibrationFlag=true;this.enabled=false;this.depths=[];this.raf=null;this.bounds=null;this.ex=0;this.ey=0;this.ew=0;this.eh=0;this.ecx=0;this.ecy=0;this.erx=0;this.ery=0;this.cx=0;this.cy=0;this.ix=0;this.iy=0;this.mx=0;this.my=0;this.vx=0;this.vy=0;this.onMouseMove=this.onMouseMove.bind(this);this.onDeviceOrientation=this.onDeviceOrientation.bind(this);this.onOrientationTimer=this.onOrientationTimer.bind(this);this.onCalibrationTimer=this.onCalibrationTimer.bind(this);this.onAnimationFrame=this.onAnimationFrame.bind(this);this.onWindowResize=this.onWindowResize.bind(this);this.initialise();}Parallax.prototype.extend=function(){if(arguments.length>1){var master=arguments[0];for(var i=1,l=arguments.length;i<l;i++){var object=arguments[i];for(var key in object){master[key]=object[key];}}}};Parallax.prototype.data=function(element,name){return this.deserialize(element.getAttribute('data-'+name));};Parallax.prototype.deserialize=function(value){if(value==="true"){return true;}else if(value==="false"){return false;}else if(value==="null"){return null;}else if(!isNaN(parseFloat(value))&&isFinite(value)){return parseFloat(value);}else{return value;}};Parallax.prototype.camelCase=function(value){return value.replace(/-+(.)?/g,function(match,character){return character?character.toUpperCase():'';});};Parallax.prototype.transformSupport=function(value){var element=document.createElement('div');var propertySupport=false;var propertyValue=null;var featureSupport=false;var cssProperty=null;var jsProperty=null;for(var i=0,l=this.vendors.length;i<l;i++){if(this.vendors[i]!==null){cssProperty=this.vendors[i][0]+'transform';jsProperty=this.vendors[i][1]+'Transform';}else{cssProperty='transform';jsProperty='transform';}if(element.style[jsProperty]!==undefined){propertySupport=true;break;}}switch(value){case'2D':featureSupport=propertySupport;break;case'3D':if(propertySupport){var body=document.body||document.createElement('body');var documentElement=document.documentElement;var documentOverflow=documentElement.style.overflow;if(!document.body){documentElement.style.overflow='hidden';documentElement.appendChild(body);body.style.overflow='hidden';body.style.background='';}body.appendChild(element);element.style[jsProperty]='translate3d(1px,1px,1px)';propertyValue=window.getComputedStyle(element).getPropertyValue(cssProperty);featureSupport=propertyValue!==undefined&&propertyValue.length>0&&propertyValue!=="none";documentElement.style.overflow=documentOverflow;body.removeChild(element);}break;}return featureSupport;};Parallax.prototype.ww=null;Parallax.prototype.wh=null;Parallax.prototype.wcx=null;Parallax.prototype.wcy=null;Parallax.prototype.wrx=null;Parallax.prototype.wry=null;Parallax.prototype.portrait=null;Parallax.prototype.desktop=!navigator.userAgent.match(/(iPhone|iPod|iPad|Android|BlackBerry|BB10|mobi|tablet|opera mini|nexus 7)/i);Parallax.prototype.vendors=[null,['-webkit-','webkit'],['-moz-','Moz'],['-o-','O'],['-ms-','ms']];Parallax.prototype.motionSupport=!!window.DeviceMotionEvent;Parallax.prototype.orientationSupport=!!window.DeviceOrientationEvent;Parallax.prototype.orientationStatus=0;Parallax.prototype.transform2DSupport=Parallax.prototype.transformSupport('2D');Parallax.prototype.transform3DSupport=Parallax.prototype.transformSupport('3D');Parallax.prototype.propertyCache={};Parallax.prototype.initialise=function(){if(this.transform3DSupport)this.accelerate(this.element);var style=window.getComputedStyle(this.element);if(style.getPropertyValue('position')==='static'){this.element.style.position='relative';}this.updateLayers();this.updateDimensions();this.enable();this.queueCalibration(this.calibrationDelay);};Parallax.prototype.updateLayers=function(){this.layers=this.element.getElementsByClassName('layer');this.depths=[];for(var i=0,l=this.layers.length;i<l;i++){var layer=this.layers[i];if(this.transform3DSupport)this.accelerate(layer);layer.style.position=i?'absolute':'relative';layer.style.display='block';layer.style.left=0;layer.style.top=0;this.depths.push(this.data(layer,'depth')||0);}};Parallax.prototype.updateDimensions=function(){this.ww=window.innerWidth;this.wh=window.innerHeight;this.wcx=this.ww*this.originX;this.wcy=this.wh*this.originY;this.wrx=Math.max(this.wcx,this.ww-this.wcx);this.wry=Math.max(this.wcy,this.wh-this.wcy);};Parallax.prototype.updateBounds=function(){this.bounds=this.element.getBoundingClientRect();this.ex=this.bounds.left;this.ey=this.bounds.top;this.ew=this.bounds.width;this.eh=this.bounds.height;this.ecx=this.ew*this.originX;this.ecy=this.eh*this.originY;this.erx=Math.max(this.ecx,this.ew-this.ecx);this.ery=Math.max(this.ecy,this.eh-this.ecy);};Parallax.prototype.queueCalibration=function(delay){clearTimeout(this.calibrationTimer);this.calibrationTimer=setTimeout(this.onCalibrationTimer,delay);};Parallax.prototype.enable=function(){if(!this.enabled){this.enabled=true;if(this.orientationSupport){this.portrait=null;window.addEventListener('deviceorientation',this.onDeviceOrientation);setTimeout(this.onOrientationTimer,this.supportDelay);}else{this.cx=0;this.cy=0;this.portrait=false;window.addEventListener('mousemove',this.onMouseMove);}window.addEventListener('resize',this.onWindowResize);this.raf=requestAnimationFrame(this.onAnimationFrame);}};Parallax.prototype.disable=function(){if(this.enabled){this.enabled=false;if(this.orientationSupport){window.removeEventListener('deviceorientation',this.onDeviceOrientation);}else{window.removeEventListener('mousemove',this.onMouseMove);}window.removeEventListener('resize',this.onWindowResize);cancelAnimationFrame(this.raf);}};Parallax.prototype.calibrate=function(x,y){this.calibrateX=x===undefined?this.calibrateX:x;this.calibrateY=y===undefined?this.calibrateY:y;};Parallax.prototype.invert=function(x,y){this.invertX=x===undefined?this.invertX:x;this.invertY=y===undefined?this.invertY:y;};Parallax.prototype.friction=function(x,y){this.frictionX=x===undefined?this.frictionX:x;this.frictionY=y===undefined?this.frictionY:y;};Parallax.prototype.scalar=function(x,y){this.scalarX=x===undefined?this.scalarX:x;this.scalarY=y===undefined?this.scalarY:y;};Parallax.prototype.limit=function(x,y){this.limitX=x===undefined?this.limitX:x;this.limitY=y===undefined?this.limitY:y;};Parallax.prototype.origin=function(x,y){this.originX=x===undefined?this.originX:x;this.originY=y===undefined?this.originY:y;};Parallax.prototype.clamp=function(value,min,max){value=Math.max(value,min);value=Math.min(value,max);return value;};Parallax.prototype.css=function(element,property,value){var jsProperty=this.propertyCache[property];if(!jsProperty){for(var i=0,l=this.vendors.length;i<l;i++){if(this.vendors[i]!==null){jsProperty=this.camelCase(this.vendors[i][1]+'-'+property);}else{jsProperty=property;}if(element.style[jsProperty]!==undefined){this.propertyCache[property]=jsProperty;break;}}}element.style[jsProperty]=value;};Parallax.prototype.accelerate=function(element){this.css(element,'transform','translate3d(0,0,0)');this.css(element,'transform-style','preserve-3d');this.css(element,'backface-visibility','hidden');};Parallax.prototype.setPosition=function(element,x,y){x+='px';y+='px';if(this.transform3DSupport){this.css(element,'transform','translate3d('+x+','+y+',0)');}else if(this.transform2DSupport){this.css(element,'transform','translate('+x+','+y+')');}else{element.style.left=x;element.style.top=y;}};Parallax.prototype.onOrientationTimer=function(event){if(this.orientationSupport&&this.orientationStatus===0){this.disable();this.orientationSupport=false;this.enable();}};Parallax.prototype.onCalibrationTimer=function(event){this.calibrationFlag=true;};Parallax.prototype.onWindowResize=function(event){this.updateDimensions();};Parallax.prototype.onAnimationFrame=function(){this.updateBounds();var dx=this.ix-this.cx;var dy=this.iy-this.cy;if((Math.abs(dx)>this.calibrationThreshold)||(Math.abs(dy)>this.calibrationThreshold)){this.queueCalibration(0);}if(this.portrait){this.mx=this.calibrateX?dy:this.iy;this.my=this.calibrateY?dx:this.ix;}else{this.mx=this.calibrateX?dx:this.ix;this.my=this.calibrateY?dy:this.iy;}this.mx*=this.ew*(this.scalarX/100);this.my*=this.eh*(this.scalarY/100);if(!isNaN(parseFloat(this.limitX))){this.mx=this.clamp(this.mx,-this.limitX,this.limitX);}if(!isNaN(parseFloat(this.limitY))){this.my=this.clamp(this.my,-this.limitY,this.limitY);}this.vx+=(this.mx-this.vx)*this.frictionX;this.vy+=(this.my-this.vy)*this.frictionY;for(var i=0,l=this.layers.length;i<l;i++){var layer=this.layers[i];var depth=this.depths[i];var xOffset=this.vx*depth*(this.invertX?-1:1);var yOffset=this.vy*depth*(this.invertY?-1:1);this.setPosition(layer,xOffset,yOffset);}this.raf=requestAnimationFrame(this.onAnimationFrame);};Parallax.prototype.onDeviceOrientation=function(event){if(!this.desktop&&event.beta!==null&&event.gamma!==null){this.orientationStatus=1;var x=(event.beta||0)/MAGIC_NUMBER;var y=(event.gamma||0)/MAGIC_NUMBER;var portrait=this.wh>this.ww;if(this.portrait!==portrait){this.portrait=portrait;this.calibrationFlag=true;}if(this.calibrationFlag){this.calibrationFlag=false;this.cx=x;this.cy=y;}this.ix=x;this.iy=y;}};Parallax.prototype.onMouseMove=function(event){var clientX=event.clientX;var clientY=event.clientY;if(!this.orientationSupport&&this.relativeInput){if(this.clipRelativeInput){clientX=Math.max(clientX,this.ex);clientX=Math.min(clientX,this.ex+this.ew);clientY=Math.max(clientY,this.ey);clientY=Math.min(clientY,this.ey+this.eh);}this.ix=(clientX-this.ex-this.ecx)/this.erx;this.iy=(clientY-this.ey-this.ecy)/this.ery;}else{this.ix=(clientX-this.wcx)/this.wrx;this.iy=(clientY-this.wcy)/this.wry;}};window[NAME]=Parallax;})(window,document);;(function(){var lastTime=0;var vendors=['ms','moz','webkit','o'];for(var x=0;x<vendors.length&&!window.requestAnimationFrame;++x){window.requestAnimationFrame=window[vendors[x]+'RequestAnimationFrame'];window.cancelAnimationFrame=window[vendors[x]+'CancelAnimationFrame']||window[vendors[x]+'CancelRequestAnimationFrame'];}if(!window.requestAnimationFrame){window.requestAnimationFrame=function(callback,element){var currTime=new Date().getTime();var timeToCall=Math.max(0,16-(currTime-lastTime));var id=window.setTimeout(function(){callback(currTime+timeToCall);},timeToCall);lastTime=currTime+timeToCall;return id;};}if(!window.cancelAnimationFrame){window.cancelAnimationFrame=function(id){clearTimeout(id);};}}());