function ShowUtils() {
	document.getElementById("authorinfo").style.display = "";
	document.getElementById("showinfo").style.display = "none";
	document.getElementById("hideinfo").style.display = "";
}

function HideUtils() {
	document.getElementById("authorinfo").style.display = "none";
	document.getElementById("showinfo").style.display = "";
	document.getElementById("hideinfo").style.display = "none";
}