function bodyOnResize(mode) {
	var width = document.body.clientWidth;
	var last = document.getElementById("last");
	var prelast = document.getElementById("prelast");
	if (width <= 1024) {
		prelast.style.display = "none";
		last.style.display = "none";
	}
	if (width > 1024 && width < 1100) {
		prelast.style.display = "";
		last.style.display = "none";
	}
	if (width > 1100) {
		prelast.style.display = "";
		last.style.display = "";
	}
}