function submenu(sub){
	var id = "submenu_" + sub;
	var currdisplay = document.getElementById(id).style.display;

	if (currdisplay=="" || currdisplay=="none") {
		document.getElementById(id).style.display='block';
	} else {
		document.getElementById(id).style.display='none';
	}
}

function linkIt(e) {
	e += "@" + "online" + "vitality";
	e += "." + "net";
	var s = "<a href='mailto:" + e + "'>" + e + "</a>";
	document.writeln (s);
}