To fix pinyin trouble:
When the pinyin doesn't work, download a pinyin converter: http://www.resourcesforlife.com/docs/item2098
Download the three fonts (using right click and save): pinyin.ttf, pinyindx.ttf, and tone.ttf. Thank you, Teb!

To fix character problems within a browser:
Try different types of codes found under "View"-"Character Encoding"

chinese mac
Using the Chinese language on the Mac OS.
Site sponsored by the Council on East Asian Studies at Yale University
http://www.yale.edu/chinesemac/index.html