if (window.XMLHttpRequest)
{
	xmlHttpObj = new XMLHttpRequest(  );
}
else
{
	try
	{
		xmlHttpObj = new ActiveXObject("Msxml2.XMLHTTP");
	}
	catch (e)
	{
		try
		{
			xmlHttpObj = new ActiveXObject("Microsoft.XMLHTTP");
		}
		catch (e)
		{
			xmlHttpObj = false;
		}
	}
}