Thanks ripcord!
Judging by the remarks from the rest of the crew on my last trip, I already eat enough garlic to keep any self-respecting mozzie at 100 paces <img src="smile.gif" border="0">
Unfortunately, my doctor friends tell me that the garlic thing is actually a fallacy, though it seems to have worked for you. I'll keep eating it on my cornflakes, just in case.....!