function MailLink(feldname) {
	var email = document.getElementById(feldname);
	if (email && email.nodeName.toLowerCase() == "a") {
		var addr = email.firstChild.nodeValue;
		var newaddr = addr.replace(/ \(at\) /i, "@");
		if (newaddr != addr) {
			email.setAttribute("href", "mailto:"+newaddr);
			email.innerHTML = newaddr;
		}
	}
}