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- Opera 7 and higher
- Safari 4 and higher
- Other web browsers may work as well, but are not directly supported.
Some files on this site are in Adobe PDF (.pdf) format. PDF files must be viewed with Adobe Reader which is a free, safe, and downloadable program available at http://get.adobe.com/reader/. Installing Adobe Reader will also install the Adobe Reader plug-in. This will allow you to view PDF files from within your browser. If there is an "Also Install" section on the download page, the corresponding software (ie: Google Toolbar) can be unchecked. It is not required to view pdf files.