I would take a look at http://www.appelsiini.net/projects/jeditable for the plugin Jeditable which gives you the behaviour you want to achive and adds some extra configuration options on top.
Make an onclick event for each cell that replaces the content of the cell with a textbox with the cell's current value as default value. Make that input element have an onkeyup event that listens for the enter key and handles everything required when it's pressed.
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.