Add them where they were on the old server. If you don't remember, check archive.org or Google/Bing's search cache of your page.
It looks like xajax isn't on the new server, or it's in a different location. Have a look in your php scripts for an include 'xajax.inc. Php' that's where it's expecting to find xajax.
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.