var strURL = new String(self.location);
  if ((top.location == self.location) && ((strURL.substring(0,7) == "file://") || (strURL.substring(0,7) == "http://"))) {
    strs = strURL.split("/");
    top.location.replace("sbkhelp.html" + "?" + strs[strs.length - 1]);
  }