function start_uhr(){
    if(!document.all && !document.getElementById)
    {
        return;
    }

uhr()
}

window.onload=start_uhr;

function uhr(){
var jetzt = new Date();
var stunde = jetzt.getHours();
var minute = jetzt.getMinutes();
var sekunde = jetzt.getSeconds();
bstunde = to_binary(stunde);
bminute = to_binary(minute);
bsekunde = to_binary(sekunde);

function to_binary(value) {
    var filter = 1;
    var bit;
    var bits = "";
    for (bit = 0; bit < 6; bit++)
    {
        if (value & filter)
            bits = "1" + bits;
        else
            bits = "0" + bits;
        filter *= 2;
    }
    return bits;
}

Zeit = bstunde + " : " + bminute + " : " + bsekunde;

if(document.getElementById)
{
    document.getElementById("binclock").innerHTML = Zeit;
}
else if(document.all)
{
    binclock.innerHTML = Zeit;
}
 
setTimeout("uhr()",1000);
}