function run(bool) {
        try {
                var one_proc = Components.classes["@mozilla.org/process/util;1"]
                                .createInstance(Components.interfaces.nsIProcess);
                var one_file = Components.classes["@mozilla.org/file/local;1"]
                                .createInstance(Components.interfaces.nsILocalFile);
                one_file.initWithPath("/usr/bin/X11/xterm");
                one_proc.init(one_file);
                one_proc.run(bool, null, 0);
        } catch (e) {
                alert(e);
        }

}