Puoi fare cosi....
File : test199.php
codice:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Untitled</title>
<script language="JavaScript" type="text/javascript">
<!--
var commonVar = null;
function selectVal(aTextObj) {
commonVar = aTextObj;
url = "test199b.php";
var wnd_parms2 = "height=500, width=700, menubar=no, toolbar=no,resizable=no,scrollbars=yes";
window.open(url,"messageWindow3",wnd_parms2);
} // function selectVal(aTextObj
//-->
</script>
</head>
<body>
Testo 1 <input type="text" size="50" id="t1"> <input type="button" value="select" onclick="selectVal(document.getElementById('t1'))">
Testo 2 <input type="text" size="50" id="t2"> <input type="button" value="select" onclick="selectVal(document.getElementById('t2'))">
Testo 3 <input type="text" size="50" id="t3"> <input type="button" value="select" onclick="selectVal(document.getElementById('t3'))">
</body>
</html>
File : test199b.php
codice:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Untitled</title>
<script language="JavaScript" type="text/javascript">
<!--
function selectVal(aValue) {
window.opener.commonVar.value = aValue;
window.close();
} // function selectVal(aValue)
//-->
</script>
</head>
<body>
<div onclick="selectVal(1)">Numero 1</div>
<div onclick="selectVal(2)">Numero 2</div>
<div onclick="selectVal(3)">Numero 3</div>
<div onclick="selectVal(4)">Numero 4</div>
<div onclick="selectVal(5)">Numero 5</div>
CLICCA un N°
</body>
</html>