AJAX - Get the ready state handler and request object

Used to get the ready state handler for the AJAX call:

 function getReadyStateHandler(xmlObject, responseXmlHandler)
{
    return function ()
    {
        // If the request's status is "complete"
        if (xmlObject.readyState == 4)
        {
            // Check that a successful server response was received
            if (xmlObject.status == 200)
            { responseXmlHandler(xmlObject); } 
            else
            {
                // An HTTP problem has occurred
                alert("HTTP error: "+xmlObject.status);
            }
        }
    }
}

Used to create the xml request object for AJAX calls:

function getXMLHttpRequest()
{
  var xmlObject = false;
 
  if (window.XMLHttpRequest)
  {
    //Create non-Microsoft
    xmlObject = new XMLHttpRequest();
  }
  else if (window.ActiveXObject)
  {
    //Create ActiveX, first for modern browsers
    try
    { xmlObject = new ActiveXObject("Msxml2.XMLHTTP"); }
    catch (ex1)
    {
      //Older MS-Browser compability
      try
      { xmlObject = new ActiveXObject("Microsoft.XMLHTTP"); }     
      catch (ex2)
      {
        /*Could not create ActiveX at all.*/
        return false;
      }
    }
  }
  return xmlObject;
}