esecuzione del form in un altra finestra

[Emulman]

<form action="elabora_form.php" method="post">
  <input type="text" name="q" />


  <input type="submit" value="Apri" onclick="win=window.open('','myWin','toolbars=0'); this.form.target='myWin';this.form.action='home_page.html'">
</form>