As per an earlier post: http://www.padi.com/english/common/courses/elearning/dean.asp
PADI offers the discover nitrox which you can do online. This can then be converted to the full PADI EANX Specialty Course fairly easily.
Alternatively get the Crew Pack, watch the DVD, complete the knowledge reviews. Write the exam and complete the dives on holiday. At least you can then save the classroom time while you're away. Just a short amount to ensure you understand everything (a run through of your knowledge reviews). Just ensure the place where you are headed offers the Nitrox Specialty)
PADI offers the discover nitrox which you can do online. This can then be converted to the full PADI EANX Specialty Course fairly easily.
Alternatively get the Crew Pack, watch the DVD, complete the knowledge reviews. Write the exam and complete the dives on holiday. At least you can then save the classroom time while you're away. Just a short amount to ensure you understand everything (a run through of your knowledge reviews). Just ensure the place where you are headed offers the Nitrox Specialty)