--2013-09-29 23:57:12--  http://releases.mozilla.org/pub/mozilla.org/addons/3703/russian_spellchecking_dictionary-0.4.4-fx+tb+sm.xpi
Resolving releases.mozilla.org... 155.98.64.83, 156.56.247.196, 202.177.202.154, ...
Connecting to releases.mozilla.org|155.98.64.83|:80... connected.
HTTP request sent, awaiting response... 503 Service Unavailable
2013-09-29 23:58:15 ERROR 503: Service Unavailable.