(function($,window,document,undefined){var pluginName='scrolly',defaults={bgParallax:false},didScroll=false;function Plugin(element,options){this.element=element;this.$element=$(this.element);this.options=$.extend({},defaults,options);this._defaults=defaults;this._name=pluginName;this.init();}
Plugin.prototype.init=function(){var self=this;this.startPosition=this.$element.position().top;this.offsetTop=this.$element.offset().top;this.height=this.$element.outerHeight(true);this.velocity=this.$element.attr('data-velocity');this.bgStart=parseInt(this.$element.attr('data-fit'),10);$(document).scroll(function(){self.didScroll=true;});setInterval(function(){if(self.didScroll){self.didScroll=false;self.scrolly();}},10);};Plugin.prototype.scrolly=function(){var dT=$(window).scrollTop(),wH=$(window).height(),position=this.startPosition;if(this.offsetTop>=(dT+wH)){this.$element.addClass('scrolly-invisible');}else{if(this.$element.hasClass('scrolly-invisible')){position=this.startPosition+(dT+(wH-this.offsetTop))*this.velocity;}else{position=this.startPosition+dT*this.velocity;}}
if(this.bgStart){position=position+this.bgStart;}
if(this.options.bgParallax===true){this.$element.css({backgroundPosition:'50% '+position+'px'});}else{this.$element.css({top:position});}};$.fn[pluginName]=function(options){return this.each(function(){if(!$.data(this,'plugin_'+pluginName)){$.data(this,'plugin_'+pluginName,new Plugin(this,options));}});};})(jQuery,window,document);$('.parallax').scrolly({bgParallax:true});