function doEmailAddress(name1, name2, tip)
	{
	var ext;
	switch(tip)
		{
		case 1: tip="ro"; break;
		case 2: tip="co.uk"; break;
		case 3: tip="com"; break;
		}
	var emailaddress = name1 + "@" + name2 + "." + tip;
	document.write("<a href='mailto:" + emailaddress + "'>" + emailaddress + "</a>");
	}