function tabMenu(name, cursel, n) {
	for (i = 1; i <= n; i++) {
		var menu = document.getElementById(name + i);
		var con = document.getElementById("con_" + name + "_" + i);
		menu.className = i == cursel ? "hover" : "";
		con.style.display = i == cursel ? "block" : "none";
	}
}