var xmlHttp

function showDriftMsg()
{ 
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
  var url="/cls/Ajax/ajxGetDriftmessage.asp";
  url=url+"?sid="+Math.random();

  xmlHttp.onreadystatechange=stateChanged;
  xmlHttp.open("GET",url,true);
  xmlHttp.send(null);
}

function stateChanged() 
{ 

  if (xmlHttp.readyState == 1)   // loading
  { 
    document.getElementById("driftsmelding").innerHTML="<img src='/images/pleasewait.gif'>";
  }  

  else if (xmlHttp.readyState == 4)
  { 
    document.getElementById("driftsmelding").innerHTML=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;
}