var req;

function loadXMLDoc(url,fcall) 
{
    //XMLHttpRequest object
    if (window.XMLHttpRequest) {
        req = new XMLHttpRequest();
        req.onreadystatechange = eval(fcall);
        req.open("GET", url, true);
        req.send(null);
    //IE/Windows ActiveX
    } else if (window.ActiveXObject) {
        req = new ActiveXObject("Microsoft.XMLHTTP");
        if (req) {
            req.onreadystatechange = eval(fcall);
            req.open("GET", url, true);
            req.send();
        }
    }
}