调试易

<script type="text/javascript">var isIE = false;
var req;
loadXMLDoc("http://dotnet.aspx.cc/Rss.aspx")
function loadXMLDoc(url) {
    if (window.XMLHttpRequest) {
        req = new XMLHttpRequest();
        req.onreadystatechange = processReqChange;
        req.open("GET", url, true);
        req.send(null);
    } else if (window.ActiveXObject) {
        isIE = true;
        req = new ActiveXObject("Microsoft.XMLHTTP");
        if (req) {
            req.onreadystatechange = processReqChange;
            req.open("GET", url, true);
            req.send();
        }
    }
}function processReqChange() {
    if (req.readyState == 4) {
        if (req.status == 200) {
            alert(req.responseXML.xml)
         } else {
            alert("错误:\n" + req.statusText);
         }
    }
}
</SCRIPT>