<FORM NAME="form1">
<INPUT TYPE="text" NAME="clock" SIZE=25>
</FORM>
<SCRIPT LANGUAGE="JavaScript">
<!--
function show_time() {
    dt = new Date();
    yy = zero_format(dt.getYear());
    mo = zero_format(dt.getMonth()+1);
    dd = zero_format(dt.getDate());
    hh = zero_format(dt.getHours());
    mm = zero_format(dt.getMinutes());
    ss = zero_format(dt.getSeconds());
    document.form1.clock.value = yy+"/"+mo+"/"+dd+" "+hh+":"+mm+":"+ss;
    setTimeout('show_time()', 1000);
}
function zero_format(n) {
    if(n < 10) { n = "0" + n; }
    return n;
}
show_time();
// -->
</SCRIPT>