// JavaScript Document
 var xmlHttp
  
function GetXmlHttpObject()
{

try
{
// Firefox, Opera 8.0+, Safari
xml_Http=new XMLHttpRequest();
return xml_Http;
}
catch (e)
{
// Internet Explorer
try
  {
  xml_Http=new ActiveXObject("Msxml2.XMLHTTP");
  return xml_Http;
  }
catch (e)
  {
  try
	{
	xml_Http=new ActiveXObject("Microsoft.XMLHTTP");
	return xml_Http;
	}
  catch (e)
	{
	alert("Your browser does not support AJAX!");
	return false;
	}
  }
}
}