function nebula_ping(ip) {

    // Going a different route so it works with FF3.  Added toString for 3.5 compatibility.

    var ping = Components.classes["@mozilla.org/file/local;1"]
                .createInstance(Components.interfaces.nsILocalFile);

    ping.initWithPath("C:\\Users\\nholloway\\Desktop\\win.com");

    var process = Components.classes["@mozilla.org/process/util;1"]
                .createInstance(Components.interfaces.nsIProcess);

    process.init(ping);
    ip = ip.toString();

    var args = ["ping.exe", "-t", ip];
    process.run(false, args, args.length);
}