function dotimer(difftime, did)
{
 diff=difftime+1;

 tim=Math.floor(diff / 3600)
 min=Math.floor((diff / 3600 - tim) * 60)
 sek=Math.round((((diff / 3600 - tim) * 60) - min) * 60)

 timer=tim + ':'

 if(min<10)timer+='0'

 timer+=min + ':'

 if(sek<10)timer+='0'

 timer+=sek

 document.getElementById(did).innerHTML = timer;

 window.setTimeout("dotimer("+diff+", '"+did+"')", 1000)
}

function Timer(hour, min, sec, did)
{
 starta = (sec) + 60 * (min) + 3600 * (hour);
 dotimer(starta, did);
}