ho provato a fare ta cosa, ma quando clicco sul bottone non mi stampa le caselle ma il codice html:

codice:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>Untitled Document</title>
<script language="javascript" type="text/javascript">
<!--
contenuto = 'Indirizzo e-mail <input type="text" name="textfield"> Username <input type="text" name="textfield"> Password <input type="text" name="textfield">
';
contenuto2 = 'Indirizzo e-mail <input type="text" name="textfield"> Username <input type="text" name="textfield"> Password <input type="text" name="textfield">
';
-->
</script>
</head>

<body>
<form name="form1" method="post" action="">
  <font size="5">aggiungi</font>

    <span id="da_mail">
    Indirizzo e-mail v
    <input type="text" name="textfield"> 
    Username 
    <input type="text" name="textfield"> 
    Password 
    <input type="text" name="textfield">
    </span>
  </form>
  </body>
</html>