I agree with Canuck Physio. The only thing I would add is that the worst thing you can be doing is walking around with a limp. Get back on your crutches, take as much weight through the fractured leg as you can, but walk with a normal gait. The saying goes "It's takes 100 steps to learn a bad habit, and 1000 steps to unlearn it......."
AND GO AND SEE YOUR PHYSIO! He he he....