var RELOAD_NOTE='reload=true';
var RELOAD_FREQUENCY=1800;
var DELIM = '?';
var reloadPage = document.location.href;
if (reloadPage.indexOf(RELOAD_NOTE) != -1)
  reloadPage = reloadPage.substring(0, reloadPage.indexOf(RELOAD_NOTE) - 1) +
reloadPage.substring(reloadPage.indexOf(RELOAD_NOTE) + RELOAD_NOTE.length + 1);
if (reloadPage.indexOf(DELIM) != -1) DELIM='&';
//document.writeln('<META HTTP-EQUIV="refresh" CONTENT="'+RELOAD_FREQUENCY+';url='+reloadPage+DELIM+RELOAD_NOTE + '">');
document.writeln('<META HTTP-EQUIV="refresh" CONTENT="'+RELOAD_FREQUENCY+';url='+reloadPage+ '">');