MBB_CheckTime = 0;
MBB_CheckTimeOnce = nil
function MBB_OnUpdate(elapsed)
    if( not MBB_CheckTimeOnce ) then   
        MBB_CheckTime = MBB_CheckTime + elapsed;  
    end  
    if( MBB_CheckTime >= 5 and not MBB_CheckTimeOnce ) then   
        MBB_CheckTime = 0;         
        MBB_CheckTimeOnce = 1 -- run once
        local children = {Minimap:GetChildren()}; 
        for _, child in ipairs(children) do 
            if( child:HasScript("OnClick") and not child.oshow and child:GetName() and not MBB_IsKnownButton(child:GetName(), 3) ) then 
                MBB_PrepareButton(child:GetName()); 
                if( not MBB_IsInArray(MBB_Exclude, child:GetName()) ) then 
                    MBB_AddButton(child:GetName()); 
                    MBB_SetPositions(); 
                end 
            end
        end
    end