// CREDITS: Automatic Page Refresher by Peter Gehrig and Urs Dudli www.24fun.com Permission given to use the script provided that this notice remains as is. // Additional scripts can be found at http://www.hypergurl.com // Configure refresh interval (in seconds) 
var refreshinterval=1800;
var displaycountdown="no";

var starttime; 
var nowtime; 
var reloadseconds=0; 
var secondssinceloaded=0;
function starttime() { 
  starttime=new Date(); 
  starttime=starttime.getTime() ;
  countdown() ;
} 
function countdown() { 
  nowtime= new Date(); 
  nowtime=nowtime.getTime(); 
  secondssinceloaded=(nowtime-starttime)/1000 ;
  reloadseconds=Math.round(refreshinterval-secondssinceloaded); 
  if (refreshinterval>=secondssinceloaded) { 
    var timer=setTimeout("countdown()",1000); 
    if (displaycountdown=="yes") { 
      window.status="Page refreshing in "+reloadseconds+ " seconds"; 
    } 
  } else { 
    clearTimeout(timer); 
    window.location.reload(true) ;
  } 
} 
window.onload=starttime ;