(function(){//Vertical Timeline - by CodyHouse.co function VerticalTimeline(element){this.element=element;this.blocks=this.element.getElementsByClassName("js-cd-block");this.images=this.element.getElementsByClassName("js-cd-img");this.contents=this.element.getElementsByClassName("js-cd-content");this.offset=0.8;this.hideBlocks()};VerticalTimeline.prototype.hideBlocks=function(){//hide timeline blocks which are outside the viewport if (!"classList" in document.documentElement){return}var self=this;for(var i=0;i < this.blocks.length;i++){(function(i){if(self.blocks[i].getBoundingClientRect().top>window.innerHeight*self.offset){self.images[i].classList.add("cd-is-hidden");self.contents[i].classList.add("cd-is-hidden")}})(i);}};VerticalTimeline.prototype.showBlocks=function(){if (! "classList" in document.documentElement){return}var self=this;for(var i=0;i < this.blocks.length;i++){(function(i){if(self.contents[i].classList.contains("cd-is-hidden") && self.blocks[i].getBoundingClientRect().top <=window.innerHeight*self.offset){//add bounce-in animation self.images[i].classList.add("cd-timeline__img--bounce-in");self.contents[i].classList.add("cd-timeline__content--bounce-in");self.images[i].classList.remove("cd-is-hidden");self.contents[i].classList.remove("cd-is-hidden")}})(i);}};var verticalTimelines=document.getElementsByClassName("js-cd-timeline"),verticalTimelinesArray=[],scrolling=false;if(verticalTimelines.length>0){for(var i=0;i < verticalTimelines.length;i++){(function(i){verticalTimelinesArray.push(new VerticalTimeline(verticalTimelines[i]))})(i);}//show timeline blocks on scrolling window.addEventListener("scroll",function(event){if(!scrolling){scrolling=true;(!window.requestAnimationFrame) ? setTimeout(checkTimelineScroll,250):window.requestAnimationFrame(checkTimelineScroll)}});}function checkTimelineScroll(){verticalTimelinesArray.forEach(function(timeline){timeline.showBlocks()});scrolling=false;};})();