var cnt     = 0;  
  
function init_count(start) 
{  
    cnt         = start;  
    //alert(document.getElementById("olaf").firstChild.data);
    //olaf    =  document.getElementById("olaf");  
    //if (olaf) count();  
    count();
}  
  
function count() { 
	
    window.setTimeout('count()', 1000)  
    var m   = Math.floor(cnt / 60);  
    var s   = cnt - m * 60;  
    var h   = Math.floor(m / 60);  
    m       = m - 60 * h;  
  
    var t   = ("0" + m).slice(-2) + ":" + ("0" + s).slice(-2);  
    if (h > 0)  { t = h + ":" + t }  
 
    document.getElementById("olaf").firstChild.data = t ; 
     
    cnt++;  
}