codice:
<script>

var stringa1 = ciao;

document.write('<frameset rows="*,0" frameborder="0"  framespacing="0" border=0>\n');
document.write('  <frame name="superiore" src="red.asp?PESM='+stringa1+'">\n');
document.write('  <frame name="inferiore" src="vuota.asp">\n');
document.write('  </frameset><noframes></noframes>\n');
document.write('</frameset>\n');

</script>