function createXMLHttpRequest()
{
  var ua;

  if(window.XMLHttpRequest)
  {
    try
    {
      ua = new XMLHttpRequest();
    }
    catch(e)
    {
      ua = false;
    }
  }
  else if(window.ActiveXObject)
  {
    try
    {
      ua = new ActiveXObject("Microsoft.XMLHTTP");
    }
    catch(e)
    {
      ua = false;
    }
  }
  return ua;
}

var req = createXMLHttpRequest();

function sendRequest(salmenr, koralnr)
{
  req.open('get', '/include/ajax.php?salmenr=' + salmenr + '&koralnr=' + koralnr);
  //req.onreadystatechange = handleResponse;
  req.send(null);
}