Your code seem alright but your hidden field is not available at the time you are getting it in the javascript. Ca common cause it appearance and execution of before the html of the control being accessed. Make sure you have script below the actual control.
I make one test which almost resembling your code,Just have a look here.
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.