var xmlHttp

function countFutz()
{
  xmlHttp=GetXmlHttpObject();
  if (xmlHttp==null)
    {
      alert ("Your browser does not support AJAX!");
      return;
    } 
  var url="http://capnbob.us/scripts/n_count.php";
  url=url+"?q="+Math.random();
  xmlHttp.onreadystatechange=stateChanged;
  xmlHttp.open("GET",url,true);
  xmlHttp.send(null);
} 

function stateChanged() 
{ 
  if (xmlHttp.readyState==4)
  { 
    document.getElementById("count").innerHTML=xmlHttp.responseText;
    //document.write(xmlHttp.responseText);
  }
}

function GetXmlHttpObject()
{
  var xmlHttp=null;
  try
  {
    // Firefox, Opera 8.0+, Safari
      xmlHttp=new XMLHttpRequest();
  }
  catch (e)
  {
    // Internet Explorer
    try
    {
      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e)
    {
      xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
  return xmlHttp;
}

self.setInterval('countFutz()', 5000);
countFutz();