Planet Ranger requires Javascript to be enabled on your browser in order for you to log in. It would not be possible for the site to have the functionality that it does without Javascript.

If you are running Internet Explorer on a Microsoft Windows Machine, you can turn on Javascript by Clicking on the "Tools" menu and choosing "Internet Options". Click on the security tab and set the security level to "Medium". Like in the picture below.

Security Dialog

If you are using the Safari Web Browser on a Macintosh, you need to choose "Preferences" from the "Safari" Menu and click on the "Security" option. Then choose "Enable Javascript".

If you are in an internet café, remember to ask permission before making changes like these.