Okay, I'll give some critics based on the graphical part (although I shouldn't, I know)
The splash, or the "Field Manual" Picture, should, if possible, be changed to something better and more likely contain "Enter" or something like that (in bulgarian I guess).
Also the main page's background should be changed, okay I like the color and style of it but it should be bigger than 80 x 11 px, or atleast contain some symmetry, so it doesn't look so jaggy.
Not that I dislike the site, I just thought I'd say what I think about the graphics there..
Good luck. =)