url = 'http://www.planet-lab.org/db/nodes/index.php?nodepattern=%s' % host
td = TD(A(host, target='_blank', href=url), bgcolor=color)
r.append(td)
url = 'http://www.planet-lab.org/db/nodes/index.php?nodepattern=%s' % host
td = TD(A(host, target='_blank', href=url), bgcolor=color)
r.append(td)