Cranium's Code v0.2

function menuOpt()
local btn1 = {1,1,"Production"}
local btn2 = {2,1,"Reactor Control"}
local btn3 = {1,2,"Lights"}
local btn4 = {2,2,"Check System Status"}
local curx=btn1[1]
local cury=btn1[2]
while true do
term.clear()
term.setCursorPos(1,7)
print("Options")
term.setCursorPos(1,8)
if curx==btn1[1] and cury==btn1[2] then
print("   [",btn1[3],"]   ",btn2[3]," ")
elseif curx==btn2[1] and cury==btn2[2] then
print("    ",btn1[3],"   [",btn2[3],"]")
else
print("    ",btn1[3],"    ",btn2[3]," ")
end
term.setCursorPos(1,9)
if curx==btn3[1] and cury==btn3[2] then
print("   [",btn3[3],"]   ",btn4[3]," ")
elseif curx==btn4[1] and cury==btn4[2] then
print("    ",btn3[3],"   [",btn4[3],"]")
else
print("    ",btn3[3],"    ",btn4[3]," ")
end
e, k = os.pullEvent("key")
if k==203 then curx = curx - 1 --left
elseif k==205 then curx = curx + 1 --right
elseif k==200 then cury = cury - 1 --up
elseif k==208 then cury = cury + 1 --down
elseif k==28 then break --enter
end
end

if curx == 1 and cury == 1 then return "1" end
if curx == 2 and cury == 1 then return "2" end
if curx == 1 and cury == 2 then return "3" end
if curx == 2 and cury == 2 then return "4" end
end

menuOpt()