Browser and OS Versions

Something like the following code can be used to get the browser version and OS version. I'll probably extend this to work with Firefox and other OS


class IE
	
    # returns the browser version
	# based on http://blogs.msdn.com/ie/archive/2006/09/20/763891.aspx
	# and http://msdn.microsoft.com/library/default.asp?url=/workshop/author/dhtml/overview/aboutuseragent.asp
	def browser_version
		n = self.document.invoke('parentWindow').navigator.appVersion
		if m=n.match(/MSIE\s(.*?);/)
		    return m[1]
		end
		return ""
	end
	
	# this method gets the os version from the browsers useragent string
	# based on http://blogs.msdn.com/ie/archive/2006/09/20/763891.aspx
	# and http://msdn.microsoft.com/library/default.asp?url=/workshop/author/dhtml/overview/aboutuseragent.asp
	def os_version
		b = self.document.invoke('parentWindow').navigator.appVersion
		if n=b.match(/Windows NT(.*?);/)
		    if n[1].strip == "5.1"
		        return "Windows XP"
		    elsif n[1].strip == "5.2"    
		        return "Windows 2003 Server"
		    elsif n[1].strip == "6.0"
		        return "Vista"
		    else
		        return ""        
		    end    
		end
		return ""


	end
	
end

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