[SCRIPT] Please help

[mitkovarn]

////////////////////////////
// Run first time starting map
void OnStart()
AddEntityCollideCallback("Player", "ScriptArea_1", "NailThatSucker", true, 1);
{
AddUseItemCallback("", "Key", "Door", "UseKeyOnDoor", true);
}

void UseKeyOnDoor(string &in asItem, string &in asEntity)
{
SetSwingDoorLocked("Door", false, true);
PlaySoundAtEntity("", "unlock_door.snt", asEntity, 0, false);
RemoveItem(asItem);
}

void NailTheSucker(sting &in asParent, string &in asChild, int alStates)
{
SetEntityActive("agrippa_headless_1", true);
AddPropForce("agrippa_headless_1", 0, 0, 0, world);
PlaySoundAtEntity("", "24_iron_maiden.snt", "agrippa_headless_1", 0, false);
}




somethink like this?
(still giving error even 2 errors)