if(top==self) { 
                path            = "/travel/index.htm?";
                var appVer      = navigator.appVersion;
                var NS          = (navigator.appName == 'Netscape') && ((appVer.indexOf('3') != -1) || (appVer.indexOf('4') != -1));
                var MSIE        = (appVer.indexOf('MSIE 4') != -1);

                url = new String(location.href);
                pos     = url.indexOf("/travel");
                if (pos > 0) {
                        file    = url.substr(pos);
                } 

                jump    = path + file;

                if (NS || MSIE) {
                        location.replace(jump);
                } else {
                        location.href = jump;
                }
        }