content: -- http://daringfireball.net/2009/01/applescripts_targetting_safari_or_webkit
  on getCurrentSafariUrl(_browser)
  	using terms from application "Safari"
  		tell application _browser
  			return URL of the first document as Unicode text
  		end tell
  	end using terms from
  end getCurrentSafariUrl
  
  on getCurrentFirefoxUrl()
  	-- Does not support necessary AppleScript
  end getCurrentFirefoxUrl
  
  on getCurrentChromeUrl()
  	-- Does not support necessary AppleScript
  end getCurrentChromeUrl
  
  on getCurrentOperaUrl()
  	-- Does not support necessary AppleScript
  end getCurrentOperaUrl
  
  on getCurrentCaminoUrl(_browser)
  	using terms from application "Camino"
  		tell application _browser
  			return the URL of the current tab of the first browser window
  		end tell
  	end using terms from
  end getCurrentCaminoUrl