function getXMLHttp()
{
  var xmlHttp

  try
  {
    //Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch(e)
  {
    //Internet Explorer
    try
    {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch(e)
    {
      try
      {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch(e)
      {
        alert("Sorry, your browser does not support the features utilized by this application.")
        return false;
      }
    }
  }
  return xmlHttp;
}

function findGR()
{
  var xmlHttp = getXMLHttp();
  var fn = document.getElementById('fn').value;
  var ln = document.getElementById('ln').value;
  
  xmlHttp.onreadystatechange = function()
  {
    if(xmlHttp.readyState == 4)
    {
      HandleResponse(xmlHttp.responseText, 'responseDiv');
    }
  }
  
  var urlString = "grsearchResults.php?fn="+fn+"&ln="+ln;
  //alert (urlString);
  xmlHttp.open("GET", urlString, true);
  xmlHttp.send(null);
}

function showGR(uID)
{
  var xmlHttp = getXMLHttp();
  
  xmlHttp.onreadystatechange = function()
  {
    if(xmlHttp.readyState == 4)
    {
      HandleResponse(xmlHttp.responseText, 'outputDiv');
    }
  }
  
  var urlString = "grsearchResults.php?id="+uID;
  //alert (urlString);
  xmlHttp.open("GET", urlString, true);
  xmlHttp.send(null);
}

function HandleResponse(response, divID)
{
  //alert(response);
  document.getElementById(divID).innerHTML = response;
}