var pos; // variable for posting information
function loadXMLPosDoc(url, posData)
  {
  if(window.XMLHttpRequest)
    pos = new XMLHttpRequest();
  else if(window.ActiveXObject)
    pos = new ActiveXObject("Microsoft.XMLHTTP");
  if(pos)
    {
    pos.onreadystatechange = processPosChange;
    pos.open("POST", url, false);
    pos.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    pos.send(posData);
    }
  }

function grabPosXML(tagName)
  {
  return pos.responseXML.documentElement.getElementsByTagName(tagName)[0].childNodes[0].nodeValue;
  }

function processPosChange()
  {
  // page loaded "complete"
  if(pos.readyState == 4)
    {
    // page is "OK"
    if(pos.status == 200)
      if(grabPosXML("posStatus") == 'NOTOK')
        alert('There were problems Sending Email. Please check back in a couple minutes');
    }
  }