// Mask Email Address
function maskMail (u, d, l) {
	link = u + '@' + d;
	if (l != "") {
		link = l;
	}
	document.write('<a href=\"mailto:' + u + '@' + d + '\">' + link + '</a>');
}

function switchMenu(obj) {
	var el = document.getElementById(obj);
	if ( el.style.display != "none" ) {
		el.style.display = 'none';
	}
	else {
		el.style.display = '';
	}
}