codice:<script type="text/javascript"> function controllo(e){ if(!e) e=window.event; var keyC=(e.which)?e.which:e.keyCode; if(keyC==49){alert('hai premuto 1');self.location.href='http://www.html.it';} } </script> <form> <input type="text" onkeyup="controllo(event)"> </form>