This little bookmarklet just lets you search RIAA Radar from any page:
Check RIAA Radar.
To "install" it, just drag the link to your bookmarks toolbar (usually just below the location/URL/address box).
Highlight some text on the page and hit to bookmarklet to the search with the selected words.
Below is a search plugin for Mozilla, Firefox, and Netscape:
RIAA Radar
Note: you must have access to the installation
directory. On Windows 2000/XP/2003, this means having administrative access. *nix usually requires root.
You can find more search plugins at Mycroft.