function show_time (num)
{
	time_now = document.all["time"].innerText;
	time_now_array = time_now.split (":");
	if (num)
	{
		new_minute = parseInt(time_now_array[1], 10) + 1;
		new_hour = parseInt(time_now_array[0], 10);
		if (new_minute > 59)
		{
			new_minute = 0;
			new_hour ++;
		}
		if (new_hour > 23)
			new_hour = 0;
		if (new_minute < 10)
			new_minute = "0" + new_minute;
		if (new_hour < 10)
			new_hour = "0" + new_hour;
		document.all["time"].innerText = new_hour + ":" + new_minute;
	}
	timer = setTimeout ("show_time(1)", 60000);
}