function show_time()
{
var time, hour, min, sec, data;
time = new Date();
hour = time.getHours(); if(hour<10) hour = "0" + hour;
min = time.getMinutes(); if(min<10) min = "0" + min;
sec = time.getSeconds(); if(sec<10) sec = "0" + sec;
data = hour + ":" + min + ":" + sec;
document.clock.time.value = data;
setTimeout("show_time()", 10);
}