function RollOn(btn) {
	btn.style.background = "#4D4D4D";
	btn.style.cursor = "hand";
}
function RollOff(btn) {
	btn.style.background = "#000000";
	btn.style.cursor = "normal";
}
function ToggleMenu() {
	if (document.getElementById("menu").style.display == "none") {
		document.getElementById("menu").style.display = "block";
		document.getElementById("menuTrigger").innerText = "[-]";
	} else {
		document.getElementById("menu").style.display = "none";
		document.getElementById("menuTrigger").innerText = "[+]";
	}
}