Google Earth

This is sample of a Google Earth gadget. The gadget URL can be found here.  Copy the URL from the link (to past at a later step). You embed the gadget by clicking on "Insert" in the menu, then click on "More Gadgets."  From there a new window will open.  Click on "Add gadget by URL" and then past the Google Earth gadget code (copied earlier) into the empty cell.

Embedded KML Viewer