In Norton Internet Security 20009, you should be able to turn off Norton Safe Web / Site Safety by following these steps:
1. Open Norton Internet Security 2009.
2. Within the "Identity" section click on 'Settings'.
3. Now find the line that says "Enhance Search Engine Results" and click the adjacent On/Off slider so that it shows Off.
4. Click the Apply button, then click OK.
5. Close down your Web browser completely (Internet Explorer/ Firefox), once you reopen your browser the Norton Safe Web rating icons should be removed from your search results.