function remplace()
{
var page
  if (top.frames.length == 0) {
      ver = parseInt(navigator.appVersion, 10);
      if ( ((navigator.appName == "Netscape") && (ver >= 3)) ||
           ((navigator.appName == "Microsoft Internet Explorer") && (ver >= 4)) )
        location.replace("f_yahoo.htm");
      else
        location = "f_yahoo.htm";
      };
}