Had a look at your code.dont have your images but this should help
I hope.
start_menu:
sync on : sync rate 0
load image "main_menu.bmp",1000,1
load image "instructions.bmp",1001,1
load image "info.bmp",1002,1
set text size 16
blue=rgb(0,128,225)
white=rgb(255,255,255)
do
cls
paste image 1000,0,0,1
rem make menu items
if selectedItem=1 then ink blue,0 else ink white,0
text 100,230,"New game"
if selectedItem=2 then ink blue,0 else ink white,0
text 200,230,"How to play"
if selectedItem=3 then ink blue,0 else ink white,0
text 300,230,"About"
if selectedItem=4 then ink blue,0 else ink white,0
text 400,230,"Exit"
rem user input
if leftkey()=1 and hold=0 then dec selectedItem : hold=1
if rightkey()=1 and hold=0 then inc selectedItem : hold=1
if leftkey()=0 and rightkey()=0 then hold=0
if selectedItem>4 then selectedItem=1
if selectedItem<1 then selectedITem=4
rem user reaction after input
if returnkey()=1
rem play game
if selectedItem=1 then goto main
rem display instructions
if selectedItem=2 Then paste image 1001,64,32,1
rem info on game
if selectedItem=3 Then paste image 1002,17,0,1
rem quits the game
if selectedItem=4
Delete Image 1000
Delete Image 1001
Delete Image 1002
end
endif
endif
sync
loop
Main:
print "play game"
wait key
end
ToXic.