HttpRequest For Xml data

function readXML() {
    var xmlPath = "../WebResources/CloneConfiguration";
    var xmldoc = new ActiveXObject("Microsoft.XMLDOM");
    xmldoc.preserveWhiteSpace = true;
    xmldoc.async = false;
    xmldoc.load(xmlPath);
    return xmldoc.xml;
}

var JScriptWebResourceUrl = "../WebResources/raj_xrmhelper";
var xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
xmlHttp.open("GET", JScriptWebResourceUrl, false);
xmlHttp.send();
eval(xmlHttp.responseText);

function onClick() {
    try {
        var xmlPath = "../WebResources/raj_CloneConfiguration";
        $.ajax({
            type: "GET",
            url: xmlPath,
            dataType: "xml",
            success: pareseXML
        });
    } catch (e) {
        alert("Error while reading \"Clone Configuration XML\" file; Description - " + e.description);
        alert("Make sure you add JQuery & Json helper scripts to source entity form");
    }
}