if(window.innerWidth>=768){(function($){$.fn.timeline=function(){var selectors={id:$(this),item:$(this).find(".timeline-item"),activeClass:"timeline-item--active",img:".timeline__img"};selectors.item.eq(0).addClass(selectors.activeClass);selectors.id.css("background-image","url("+selectors.item.first().find(selectors.img).attr("src")+")");var itemLength=selectors.item.length;$(window).scroll(function(){var max,min;var pos=$(this).scrollTop();selectors.item.each(function(i){min=$(this).offset().top-window.innerHeight/2;max=$(this).height()+$(this).offset().top-window.innerHeight/2;var that=$(this);if(i==itemLength-2&&pos>min+$(this).height()/2){selectors.item.removeClass(selectors.activeClass);selectors.id.css("background-image","url("+selectors.item.last().find(selectors.img).attr("src")+")");selectors.item.last().addClass(selectors.activeClass)}else if(pos<=max-40&&pos>=min){selectors.id.css("background-image","url("+$(this).find(selectors.img).attr("src")+")");selectors.item.removeClass(selectors.activeClass);$(this).addClass(selectors.activeClass)}})})}})(jQuery);$(document).ready(function(){$('#timeline').timeline()})}