/*!
 * parallax.js v1.2.1 (http://pixelcog.github.io/parallax.js/)
 * Copyright (c) 2014 PixelCog, Inc.
 * Licensed under MIT (https://github.com/pixelcog/parallax.js/blob/master/LICENSE)
 */
(function($,window,document,undefined){(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)}})();var $body=$("body");var $window=$(window);function Parallax(element,options){var self=this;if(typeof options=="object"){delete options.refresh;delete options.render;$.extend(this,options)}this.$element=$(element);if(!this.imageSrc&&this.$element.is("img")){this.imageSrc=this.$element.attr("src")}var positions=(this.position+"").toLowerCase().match(/\S+/g)||[];if(positions.length<1){positions.push("center")}if(positions.length==1){positions.push(positions[0])}if(positions[0]=="top"||positions[0]=="bottom"||positions[1]=="left"||positions[1]=="right"){self.positionX=positions[1];self.positionY=positions[0]}else{self.positionX=positions[0];self.positionY=positions[1]}if(this.positionX!=undefined)positions[0]=this.positionX.toLowerCase();if(this.positionY!=undefined)positions[1]=this.positionY.toLowerCase();if(this.positionX!="left"&&this.positionX!="right"){if(isNaN(parseInt(this.positionX))){this.positionX="center"}else{this.positionX=parseInt(this.positionX)}}if(this.positionY!="top"&&this.positionY!="bottom"){if(isNaN(parseInt(this.positionY))){this.positionY="center"}else{this.positionY=parseInt(this.positionY)}}this.position=this.positionX+(isNaN(this.positionX)?"":"px")+" "+this.positionY+(isNaN(this.positionY)?"":"px");if(navigator.userAgent.match(/(iPod|iPhone|iPad)/)){if(this.iosFix&&!this.$element.is("img")){this.$element.css({backgroundImage:"url("+this.imageSrc+")",backgroundSize:"cover",backgroundPosition:this.position})}return this}if(navigator.userAgent.match(/(Android)/)){if(this.androidFix&&!this.$element.is("img")){this.$element.css({backgroundImage:"url("+this.imageSrc+")",backgroundSize:"cover",backgroundPosition:this.position})}return this}this.$mirror=$("<div />").prependTo("body");this.$slider=$("<img />").prependTo(this.$mirror);this.$mirror.addClass("parallax-mirror").css({visibility:"hidden",zIndex:this.zIndex,position:"fixed",top:0,left:0,overflow:"hidden"});this.$slider.addClass("parallax-slider").one("load",function(){if(!self.naturalHeight||!self.naturalWidth){self.naturalHeight=this.naturalHeight||this.height||1;self.naturalWidth=this.naturalWidth||this.width||1}self.aspectRatio=self.naturalWidth/self.naturalHeight;Parallax.isSetup||Parallax.setup();Parallax.sliders.push(self);Parallax.isFresh=false;Parallax.requestRender()});this.$slider[0].src=this.imageSrc;if(this.naturalHeight&&this.naturalWidth||this.$slider[0].complete){this.$slider.trigger("load")}}$.extend(Parallax.prototype,{speed:.2,bleed:0,zIndex:-100,iosFix:true,androidFix:true,position:"center",refresh:function(){this.boxWidth=this.$element.outerWidth();this.boxHeight=this.$element.outerHeight()+this.bleed*2;this.boxOffsetTop=this.$element.offset().top-this.bleed;this.boxOffsetLeft=this.$element.offset().left;this.boxOffsetBottom=this.boxOffsetTop+this.boxHeight;var margin=0;var winHeight=Parallax.winHeight;var imageHeightMin=winHeight-(winHeight-this.boxHeight)*this.speed|0;if(imageHeightMin*this.aspectRatio>=this.boxWidth){this.imageWidth=imageHeightMin*this.aspectRatio|0;this.imageHeight=imageHeightMin;this.offsetBaseTop=0;margin=this.imageWidth-this.boxWidth;if(this.positionX=="left"){this.offsetLeft=0}else if(this.positionX=="right"){this.offsetLeft=-margin}else if(!isNaN(this.positionX)){this.offsetLeft=Math.max(this.positionX,-margin)}else{this.offsetLeft=-margin/2|0}}else{this.imageWidth=this.boxWidth;this.imageHeight=this.boxWidth/this.aspectRatio|0;this.offsetLeft=0;margin=this.imageHeight-imageHeightMin;if(this.positionY=="top"){this.offsetBaseTop=0}else if(this.positionY=="bottom"){this.offsetBaseTop=-margin}else if(!isNaN(this.positionY)){this.offsetBaseTop=Math.max(this.positionY,-margin)}else{this.offsetBaseTop=-margin/2|0}}},render:function(){var scrollTop=Parallax.scrollTop;var scrollLeft=Parallax.scrollLeft;var scrollBottom=scrollTop+Parallax.winHeight;if(this.boxOffsetBottom>scrollTop&&this.boxOffsetTop<scrollBottom){this.visibility="visible"}else{this.visibility="hidden"}this.mirrorTop=this.boxOffsetTop-scrollTop;this.mirrorLeft=this.boxOffsetLeft-scrollLeft;this.offsetTop=this.offsetBaseTop-this.mirrorTop*(1-this.speed);this.$mirror.css({transform:"translate3d(0px, 0px, 0px)",visibility:this.visibility,top:this.mirrorTop,left:this.mirrorLeft,height:this.boxHeight,width:this.boxWidth});this.$slider.css({transform:"translate3d(0px, 0px, 0px)",position:"absolute",top:this.offsetTop,left:this.offsetLeft,height:this.imageHeight,width:this.imageWidth})}});$.extend(Parallax,{scrollTop:0,scrollLeft:0,winHeight:0,winWidth:0,docHeight:1<<30,docWidth:1<<30,sliders:[],isReady:false,isFresh:false,isBusy:false,setup:function(){if(this.isReady)return;$window.on("scroll.px.parallax load.px.parallax",function(){var scrollTopMax=Parallax.docHeight-Parallax.winHeight;var scrollLeftMax=Parallax.docWidth-Parallax.winWidth;Parallax.scrollTop=Math.max(0,Math.min(scrollTopMax,$window.scrollTop()));Parallax.scrollLeft=Math.max(0,Math.min(scrollLeftMax,$window.scrollLeft()));Parallax.requestRender()}).on("resize.px.parallax load.px.parallax",function(){Parallax.winHeight=$window.height();Parallax.winWidth=$window.width();Parallax.docHeight=$(document).height();Parallax.docWidth=$(document).width();Parallax.isFresh=false;Parallax.requestRender()});this.isReady=true},configure:function(options){if(typeof options=="object"){delete options.refresh;delete options.render;$.extend(this.prototype,options)}},refresh:function(){$.each(this.sliders,function(){this.refresh()});this.isFresh=true},render:function(){this.isFresh||this.refresh();$.each(this.sliders,function(){this.render()})},requestRender:function(){var self=this;if(!this.isBusy){this.isBusy=true;window.requestAnimationFrame(function(){self.render();self.isBusy=false})}}});function Plugin(option){return this.each(function(){var $this=$(this);var options=typeof option=="object"&&option;if(this==window||this==document||$this.is("body")){Parallax.configure(options)}else if(!$this.data("px.parallax")){options=$.extend({},$this.data(),options);$this.data("px.parallax",new Parallax(this,options))}if(typeof option=="string"){Parallax[option]()}})}var old=$.fn.parallax;$.fn.parallax=Plugin;$.fn.parallax.Constructor=Parallax;$.fn.parallax.noConflict=function(){$.fn.parallax=old;return this};$(document).on("ready.px.parallax.data-api",function(){$('[data-parallax="scroll"]').parallax()})})(jQuery,window,document);