var XmlHttpObjErrMsg = 'Error: HTTP Request Object could not be initiated';
var AjaxResponse = { Ok: 'OK', Error: 'ERROR', EmptyResult: 'EMPTY', NoResult: '' };

function GetXmlHttpObject()
{ 
    var objXmlHttp = null;
    if (window.XMLHttpRequest)
    {
        objXmlHttp = new XMLHttpRequest();
    }
    else if (window.ActiveXObject)
    {
	    try
	    {
            objXmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
        }
	    catch(e)
	    {
	        try
            {
                objXmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
            }
	        catch(e)
            {}
	    }
    }
    return objXmlHttp;
}