overlay	chrome://mozapps/content/extensions/extensions.xul?type=extensions	chrome://adblock/content/em-override.xul
overlay	chrome://navigator/content/navigator.xul	chrome://adblock/content/adblock.xul
overlay	chrome://browser/content/browser.xul	chrome://adblock/content/adblock.xul
content	adblock	jar:chrome/adblock.jar!/content/