Working out — and gaining weight?

GREAT MSN article…
How an exercise and diet plan can start off on the wrong track
Exercisers can get off on the wrong foot if they start taking in a bunch more calories.
Can starting a new exercise plan cause weight gain? Should smokers bother to sweat it out? Smart Fitness answers your queries.
Q: I recently joined a gym and have been working out three to five days a week. I have changed my diet and have been eating healthful foods, but instead of losing weight I’ve gained almost 10 pounds! Is that to be expected when you first start an exercise program?