private static int GetObject(LuaManager Instance,IntPtr l)
{
// get method arguments
Int32 id = (Int32)LuaApi.lua_tonumber(l,3);
// call method
Object methodRetVar = Instance.GetObject(id);
int nRetObjectId = LuaManager.Instance.PushStackObject(methodRetVar);
LuaApi.lua_pushnumber(l,nRetObjectId);
return 1;
}