function show3(){

var Digital=new Date()
var hours=Digital.getHours()
var minutes=Digital.getMinutes()
var secunds=Digital.getSeconds()
if ((hours>=24)&&(minutes>=1)||(hours>=25)){
hours=hours-24
}
if (hours==0)
{
hours=24
}
document.getElementById("zegar").innerHTML =hours +":"+((minutes<10)?"0":"")+minutes+":"+((secunds<10)?"0":"")+secunds; 

setTimeout("show3()",1000)

}

//-->