localStorage.setItem("scroll-gallery","[]");
document.querySelectorAll(".embla__viewport").forEach((el)=>{
  el.addEventListener("touchstart",listener(el));
  el.parentElement.querySelector(".embla__button--prev").addEventListener("click", listener(el));
  el.parentElement.querySelector(".embla__button--next").addEventListener("click", listener(el));
});

function listener(el){
  return ()=>{var ids=JSON.parse(localStorage.getItem("scroll-gallery"));
  var mbr=el;
  do{
    mbr=mbr.parentElement;
  }while(!mbr.classList.contains("mbr-embla"));
  ids.push(mbr.id);
  localStorage.setItem("scroll-gallery",JSON.stringify(ids));
  setTimeout(() => {
    var ids=JSON.parse(localStorage.getItem("scroll-gallery"));
    var i=ids.indexOf(mbr.id);
    ids.splice(i,1);
    localStorage.setItem("scroll-gallery",JSON.stringify(ids));
  }, 4000);}
}