Backyard expansion . . .

So this morning I woke up to see that our backyard expansion project was complete . . .  Turns out the wind we had all day yesterday and last night thought it would be a good idea to blow down our back fence!!  We have had problems with our whole fence since the day we moved in, so it is not much of a surprise to me that something finally happened.  The fence posts were so rotted that they broke right off at ground level, and it wasn't even that windy last night.  In March we had a storm with near 100 mph winds and nothing happened to the fence.  

I'm not sure what I am going to do about this.  The neighbors weren't home when I checked earlier and I hear they can be pretty tricky to work with, so we will see how it goes.  Ozzie hasn't been too bad about getting into the other yard, but I don't think that will last.  I will probably have to make a Home Depot trip either today or tomorrow to find some sort of temporary fencing to keep him out of their yard.