# File lib/hawlerhelper.rb, line 110
  def self.offsite?(uri, referer)
    uri = valid_uri(uri) or return true
    referer = valid_uri(referer) or return true
    if (referer.host == uri.host ||
       "www.#{referer.host}" == uri.host ||
       referer.host == "www.#{uri.host}")
      return false
    else
      return true 
    end
  end