<iframe align="top" height="30" name="KEY_1" scrollbars="0" scrolling="no" src="" width="100"></iframe><br />
<br />
document.onkeypress
<iframe align="top" height="30" name="KEY_2" scrollbars="0" scrolling="no" src="" width="100"></iframe><br />
<br />
document.onkeyup
<iframe align="top" height="30" name="KEY_3" scrollbars="0" scrolling="no" src="" width="100"></iframe><br />
<br />


<script>
function Fkeydown() {
KEY_1.document.close();
KEY_1.document.write("<font size='3' color='Blue' VALGIN='top' >" );
KEY_1.document.write(event.keyCode);
}
document.onkeydown=Fkeydown;


function Fkeypress() {
KEY_2.document.close();
KEY_2.document.write("<font size='3' color='Blue' VALGIN='top' >" );
KEY_2.document.write(event.keyCode);
}
document.onkeypress=Fkeypress;


function Fkeyup() {
KEY_3.document.close();
KEY_3.document.write("<font size='3' color='Blue' VALGIN='top' >" );
KEY_3.document.write(event.keyCode);
}
document.onkeyup=Fkeyup;
</script>