To view transglobal duets you may need to either download Shockwave (PC or Mac) or set your mac to rosetta mode or both.

To download Shockwave: http://www.adobe.com/downloads/

To set to Rosetta mode: (macs only)Applications like both Safari and Firefox default to running in native mode on the new Intel-based Macs and therefore you must follow a few simple steps to instead have then run in Rosetta emulation mode:
1 Quit out of the browser.
2 Go to your Applications folder and control-click on the browser application bundle.
3 In the context menu that appears select Get Info.
4 Under the General heading of the Info dialog select "Open using Rosetta".
5 Close the Info dialog box.
After completing the above steps the browser will now run in Rosetta emulation mode thus allowing you to install and use the Shockwave Player