function HUDONOFF()

partHUD = tpt.hud()

--tpt.hud returns current state of HUD(1 on,0 off)
if partHUD == 1 then

--if HUD is on then
deletesparkButton:visible(true)

MeltButton:visible(true)

everythingButton:visible(true)

lifemaxButton:visible(true)

--sets the interface component visible with boolean true
else
deletesparkButton:visible(false)

MeltButton:visible(false)

everythingButton:visible(false)

lifemaxButton:visible(false)

--else the buttons are not visible
end

end

tpt.register_step(HUDONOFF)

i've gotta post more scripts to beat you :P