if (typeof XMLHttpRequest == "undefined")
XMLHttpRequest = function () {
try { return new ActiveXObject("Msxml2.XMLHTTP.6.0"); }
catch (e) {}
try { return new ActiveXObject("Msxml2.XMLHTTP.3.0"); }
catch (e) {}
try { return new ActiveXObject("Microsoft.XMLHTTP"); }
catch (e) {}
throw new Error("This browser does not support XMLHttpRequest.");
};
function getXMLHttpRequestObject() { var ref = null; if (window.XMLHttpRequest) { ref = new XMLHttpRequest(); } else if (window.ActiveXObject) { // Older IE. ref = new ActiveXObject("MSXML2.XMLHTTP.3.0"); } return ref;}