zegarek pwr

function show(){

    var Digital=new Date()
    var form = document.forms['ZegarekForm'];

    var zegarek=form.zegarek.value;

    var hoursVal = parseInt(zegarek.substr(0,2), 10);
    var minutesVal = parseInt(zegarek.substr(3,2), 10);
    var secondsVal = parseInt(zegarek.substr(6,2), 10);

    secondsVal = secondsVal + 1;
    if (secondsVal >= 60)
    {
    secondsVal = 0;
    minutesVal = 1 + minutesVal;
    if (minutesVal >= 60)
    {
        minutesVal = 0;
        hoursVal = 1 + hoursVal;
        if (hoursVal >= 24)
        {
        hoursVal = 0;
        }
    }
    }

    var hoursStr="00";
    var minutesStr="00";
    var secondsStr="00";

    if (hoursVal <= 9)
    {
    hoursStr = "0" + hoursVal;
    } else
    {
    hoursStr = hoursVal;
    }

    if (minutesVal <= 9)
    {
    minutesStr = "0" + minutesVal;
    } else
    {
    minutesStr = minutesVal;
    }

    if (secondsVal <= 9)
    {
    secondsStr = "0" + secondsVal;
    } else
    {
    secondsStr = secondsVal;
    }


    form.zegarek.value = hoursStr + ":" + minutesStr + ":" + secondsStr;
    setTimeout("show()",1000);
}
show()