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;
}
}