function showMenu(menu) {
	document.getElementById("artist_drop").style.display = "none";
	document.getElementById("contact_drop").style.display = "none";
	if (menu=="artist") {
		document.getElementById("artist_drop").style.display = "block";
	} else if (menu=="contact") {
		document.getElementById("contact_drop").style.display = "block";
	}
}

function leaveSubMenu(id) {
	document.getElementById(id).style.display = "none";
}