content diggsidebar jar:chrome/diggsidebar.jar!/chrome/content/
locale diggsidebar en-US jar:chrome/diggsidebar.jar!/chrome/locale/en-US/
skin diggsidebar classic/1.0 jar:chrome/diggsidebar.jar!/chrome/skin/
overlay	chrome://browser/content/browser.xul	chrome://diggsidebar/content/firefoxOverlay.xul