function reload_rds()
  {
    var xmlhttp;
    var frame_ = "rds";
    var command = "rds.php"+"?"+"chaos="+Math.random();
    if (window.XMLHttpRequest)
      {// code for IE7+, Firefox, Chrome, Opera, Safari
        xmlhttp=new XMLHttpRequest();
      }
    else
      {// code for IE6, IE5
        xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
      }
    xmlhttp.onreadystatechange=function()
      {
        if (xmlhttp.readyState==4 && xmlhttp.status==200)
          {
            document.getElementById(frame_).innerHTML=xmlhttp.responseText;
          }
      }
    xmlhttp.open("GET",command,true);
    xmlhttp.send();
  }

setInterval('reload_rds()',11000);