'The pane with the shells and proxies list.'

def _buildInteraction(self):

    pan = entries.RememberingVPaned(self.w3af, 'pane-explinteraction')
    shells = Shells(self.w3af)
    scrollwin1 = gtk.ScrolledWindow()
    scrollwin1.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
    scrollwin1.add_with_viewport(shells)
    scrollwin1.show()
    proxies = Proxies()
    scrollwin2 = gtk.ScrolledWindow()
    scrollwin2.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
    scrollwin2.add_with_viewport(proxies)
    scrollwin2.show()
    pan.pack1(scrollwin1)
    pan.pack2(scrollwin2)
    pan.show()
    return pan
