function GetTime(g,m,s) {

var someDate=new Date(0,0,0,g,m,s); 

el = document.getElementById('clock');
el.innerHTML = check24(someDate.getUTCHours())+":"+someDate.getUTCMinutes()+":"+IfZero(someDate.getUTCSeconds());

s=s+1;
setTimeout("GetTime("+g+","+m+","+s+")", 1000);
}

function IfZero(num) {
return ((num <= 9) ? ("0" + num) : num);
}


function check24(hour) {
return (hour >= 24) ? hour - 24 : hour;
}