function addTag(tag)
	{
	window.document.guestbook.message.value += tag;
	}

function demung(email)
	{
	if (email.indexOf("mailto:") == 0)
		{
		email = email.substring("mailto:".length, email.length);
		}
	var lastDot = email.lastIndexOf(".");
	var numb = parseInt(email.substring(lastDot+1, email.length));
	email = email.substring(0, lastDot);
	var email1 = email.substring(0, numb);
	var email2 = email.substring(numb, email.length);
	email = email1 + "@" + email2;
	return "mailto:" + email;
	}

function loopLinks()
	{
	var l;
	if (document.links) l = document.links;
	else return;
	for (var i=0; i<l.length; i++)
		{
		if (l[i].href.indexOf("mailto:") == 0 && l[i].href.indexOf("@") == -1)
			{
			l[i].href = demung(l[i].href);
			}
		}
	}