// JavaScript Document
function GetXmlHttpObject(handler)
{ 
var objXmlHttp=null;

if (navigator.userAgent.indexOf("MSIE")>=0)
{ 
var strName="Msxml2.XMLHTTP";
if (navigator.appVersion.indexOf("MSIE 5.5")>=0)
{
strName="Microsoft.XMLHTTP";
} 
try
{ 
objXmlHttp=new ActiveXObject(strName);
objXmlHttp.onreadystatechange=handler;
return objXmlHttp;
} 
catch(e)
{ 
alert("Error. Scripting for ActiveX might be disabled");
return;
} 
} 
if (navigator.userAgent.indexOf("Mozilla")>=0)
{
objXmlHttp=new XMLHttpRequest();
objXmlHttp.onload=handler;
objXmlHttp.onerror=handler;
return objXmlHttp;
}
} 

function GetCustomer(id)
{ 
var url="testajaxres.asp?CustomerID="  + id ;

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

function callServer() {
  // Get the city and state from the web form
  var location = document.getElementById("lstLocation").value;
  var empname = document.getElementById("txtName").value;
  // Only go on if there are values for both fields
  if ((location == null) || (location == "")) return;
  if ((empname == null) || (empname == "")) return;

  // Build the URL to connect to
  var url = "../scripts/testajaxres.asp?location=" + escape(location) + "&empname=" + escape(empname);

  // Open a connection to the server
  xmlHttp=GetXmlHttpObject(NameChanged);
  xmlHttp.open("GET", url, true);

  // Setup a function for the server to run when it's done
  //xmlHttp.onreadystatechange = updatePage;

  // Send the request
  xmlHttp.send(null);
}

function NameChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{
document.getElementById('EmployeeDetails').innerHTML=xmlHttp.responseText;
}
} 

function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{
document.getElementById('CustomerDetails').innerHTML=xmlHttp.responseText;
}
}