Agree with Jambo; the mossies were quiet spesh!
That said, after the first few days I found that I wasn't really being bitten too much (apart from in the TV room in the evening where all the mossies go to hide from the sprayer man!)
By far and away the best repellant you can get is some local stuff sold in one of the hotel shops - Mr Khan's place, second on the right. I have no idea what's in it but it was fantastic (made in the UK). Tell him Mr Simon sent you