var request = null;

function createRequest() {
  try {
    request = new XMLHttpRequest();
  } catch (trymicrosoft) {
    try {
      request = new ActiveXObject("Msxm12.XMLHTTP");
      } catch (othermicrosoft) {
        try {
          request = new ActiveXObject("Microsoft.XMLHTTP");
        } catch (failed) {
          request = null;
          }
    }
  }
  if (request == null)
    alert("Error creating request object!");
}

function process() {
  createRequest();
  var url="mash1.php";
  if (request.readyState==4 || request.readyState==0)
  {
    request.open("GET",url,true);
    request.onreadystatechange=updatePage;
    request.send(null);
  } else setTimeout('process()',5000);
}

function updatePage() {
  if (request.readyState==4){
  	if (request.status==200){
  	  var newtotal=request.responseText;
      var inEl=document.getElementById("ajax");
      inEl.innerHTML=newtotal;
      setTimeout('process()',5000);
    } else {}
  }
}