script dosen't work!!!

[zecuro]

hey need some help on a script its a script i took from frictionalwiki and well its suppose to open a book shelf with a lever wellhere the script and a video
http://www.mediafire.com/?gjz7gf6u8mog4pa



void OnStart()
{
SetEntityConnectionStateChangeCallback("lever", "func_shelf");
}


void func_shelf(string &in asEntity, int alState)
{
if (alState == 1)
{
SetMoveObjectState("secret_door",1.0f);
PlaySoundAtEntity("", "quest_completed.snt", "secret_door_move_1", 0, false);
return;
}
}