I don't know whether this has anything to do with your problem but it is worth a try -- you have heights for some of the tables and trs but there is no height attribute for either of those. You need to give the height attribute to the tds instead.
You also seem to have some odd h1 start tags without end tags (you should only have one h1 on a page anyway). I don't know whether that might be mucking things up.
I don't know anything about NOF so I'm hoping that someone who does can tell you how you can make it put things right :-)