Due to  system maintenance, on the 28 of May 2012.
The Mexican Consulate won’t be able to receive visa applications.

"According to the new regulations, from the 1st of May 2010 it is not necessary to apply for a tourist, business or transit Mexican visa if you hold a VALID VISA for the United States of America -regardless the nationality- . Immigration authorities in Mexico will ask for your US visa and a valid passport when you arrive. "

"Permanent residents in Canada, Japan, The United Kingdom (Indefinite Leave to Remain in the UK), The United States of America or the Schengen countries wishing to travel to Mexico do not require a visa to enter the country as a tourists and business visitors for a 180-day stay and as a visitors in transit for a 30-day stay."