if (document.querySelector("#banner-top-prom")) {
window.addEventListener("scroll", function () {
var scrollPosition = window.scrollY || window.pageYOffset;
var windowHeight = window.innerHeight;
var documentHeight = document.documentElement.scrollHeight;
if (document.documentElement.scrollTop > 78 || scrollPosition + windowHeight >= documentHeight - 5) {
document.querySelector("#banner-top-prom").classList.add("off");
document.querySelector("#banner-left-prom").classList.add("on");
} else {
document.querySelector("#banner-top-prom").classList.remove("off");
document.querySelector("#banner-left-prom").classList.remove("on");
}
});
document.querySelector("#banner-left-prom>div>div").addEventListener("click", function () {
document.querySelector(".advertisement").style.display = "none";
});
document.querySelector("#banner-top-prom img").addEventListener("click", function () {
document.querySelector(".advertisement").style.display = "none";
});
}