Se puoi prova questo script e capirai qual'è l'effetto.

Grazie

Lucia

=======================
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>
<body bgcolor="#FFFFFF" text="#000000">
<p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Test ...</font> </p>
</body>
</html>
<script language="javascript">
window.opener.document.form1.campo1.value='';
window.opener.document.form1.campo1.value='52';
window.opener.document.form1.des_art.value='';
window.opener.document.form1.des_art.value="ask alksj dklaj s hdljfh alkjd fhlajksd hfljkashd fljkash dlfj ahljksdfhjlaksdhf ljkasdh fjasfjahs sajd hajasd a dajhd kajh dajhsd ajksh kjahdk jhaskjh dasjhd jahskj dhajkshd ajhsd jhakjsd hkajhsd khakjshd ashljkhLJKH LJKASD A ASDFASDF AJSDHFJLA SDHLJF HALJSDHF LJKASDH FLJKASDH FLJKJASDH LJDSAH JHASLDJ HJASDH FLJASDHLF JHASLDJ FHLASJH LASJHF JASDHFLJ HASDLJF HJASDHF LJSAHDLJF HLASJHF LJSDH FLJSHDLJ FHLASJKDFH LAJSDHF LJASHDFL JHASLDJFH LASDJHF LJASHDF LJASHLDFHALJDHF LAJSHDFLJ HALSJDHFLJHALDJF HLASJDHF LJSHADLJ FHASLJHF LAJSHDF LAJHS JASHDF ASLJKFfs dfsdfsfsdfsdfas asdfafds.";
alert("test script");
</script>
=========================