help with my K800I

i changed the lighteffect files on my K800I and now there is no light...
i mean there is no light on the buttons and on the screen...
like when u lock the phone buttons, the screen becomes dark, thats how i see the screen all the time....
i tried to change it again to something else but it is the same problem with all the flashlight files....
when i turn off the phone and then on, the screen is as it suppost to be (the buttons not, there is no light on the buttons) until the screen becomes dark and then i cant make it light no matter what i do or press....
please help....
i think i need the original flashlight files... but i need all the files that suppost to be in the "lighteffect" directory....
plzz this is very important... thxx and sorry for the bad english...
edit: now i noticed that the screen and the light on the buttons start working a second before the phone automatticly locks the buttons...
what could be the problem?

Reflash your fs to the phone:).....

i use these light effects (attached) they work fine