var urlc = "http://" + location.host + location.pathname;
urlc = escape(urlc);

document.writeln('<div style="font-size: 10pt; float: both; border: solid 1px black; padding: 5px; width: 75%">iscriviti alla nostra newsletter!<br>');
document.writeln('<form name="av_newsletter" action="http://www.altervista.org/servizi/m_list/m_list.php" method="get">');
document.writeln('		email: <input type="text" name="email">');
document.writeln('		<input type="submit" value="OK">');
document.writeln('		<input type="hidden" name="azione" value="iscrivi" checked>');
document.writeln('		<input type="hidden" name="ID" value="' + urlc + '"><br>');
document.writeln('(il tuo indirizzo restera\' privato)');
document.writeln('</form></div>');