function shMenu(corp, proj, reco, board) {
	document.getElementById("Corp").style.display = corp;
	document.getElementById("Proj").style.display = proj;
	document.getElementById("Reco").style.display = reco;
	document.getElementById("Board").style.display = board;

	return 0;
}
function hideMenu() {
	document.getElementById("Corp").style.display = "none";
	document.getElementById("Proj").style.display = "none";
	document.getElementById("Reco").style.display = "none";
	document.getElementById("Board").style.display = "none";

	return 0;
}