What you need to do is ensure that this is set correctly in the callback. This is sometimes called "binding". Prototype provides Function#bind for this, but it's easy enough to do if you don't use Prototype — define a function that will do the binding for you.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.