ok_urls = new Array();
ok_urls[1] = "http://www.dt-online.cwc.net/index.html";
ok_urls[2] = "http://dt-online.cwc.net/index.html";
// Enter all the possible web addresses that your site's frameset
// page can be accessed online, such as with and without the 'www
url_found = 0;
for (var i = 1; i <= ok_urls.length && !url_found; i++) {
url_found = (parent.location.href.indexOf(ok_urls[i]) == -1);
}
if (!url_found || (window == top))
top.location.href = ok_urls[1] + "?" + window.location.href;