CPR shown here(2005 guidelines) requires corrections as per 2010 guidelines.

Airway >Breathing>Circulation changed to Circulation>Airway>Breathing.

1.Shout for Help and call ambulance services/defibrillator

2.Chest compression first for unconscious person with weak pulse ,then comes Breaths.

3.Compression depth 5 cms ,rate 100/min, compression :breaths ratios 30:2.

Congratulations for good attempt.