function generate_address( username, hostname ) {
        var domain = ".co.uk";
        var atsign = "@";
        var addr = username + atsign + hostname + domain;
        document.write(addr);
		//  below - alternative code to include the link mechanism
		//  ("<" + "a" + " " + "href=" + "mail" + "to:" + addr + ">" + addr + "<\/a>");
      }