function GetXmlHttpReqObject()
{
	var xmlHttpReq = null;
	try {
		// Firefox, Opera 8.0+, Safari
		xmlHttpReq = new XMLHttpRequest();
	}
	catch (e) {
  		// Internet Explorer
  		try {
			xmlHttpReq = new ActiveXObject("Msxml2.XMLHTTP");
    	}
		catch (e) {
			xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
    	}
  	}
	
  	return xmlHttpReq;
}