Index: scrapes/session.rb
===================================================================
--- scrapes/session.rb  (revision 172)
+++ scrapes/session.rb  (working copy)
@@ -142,16 +142,7 @@
     def absolute_uri (uri)
       return uri if @base_uris.empty?
       base = URI.parse(@base_uris.last)
-
-      if uri.match(/^\//)
-        base.scheme + '://' + base.host + ':' + base.port.to_s + uri
-      elsif uri[0, base.scheme.size+3] != base.scheme + '://'
-        path = Pathname.new(base.path).dirname.to_s
-        path << "/" unless path == "/"
-        base.scheme + '://' + base.host + ':' +  base.port.to_s + path + uri
-      else
-        uri
-      end
+      base.merge(uri).to_s
     end

   end