-- marquee
function Marquee(mString, mDelay)
    local length = string.len(mString)
 
    for i = 1,length+12 do
 
        local mRight = ""
        local mIddle = " "
        local mLeft  = ""
 
        -- right
        for j = i-5,i do
            if j <= 0 then mRight = mRight .. " " end
            if j > 0 and j <= length then mRight = mRight .. string.sub(mString, j, j) end
            if j > length then mRight = mRight .. " " end
        end
        -- middle
        j = i - 6
        if j > 0 and j <= length then mIddle = string.sub(mString, j , j) end
        -- left
        for j = i-12,i-7 do
            if j <= 0 then mLeft = mLeft .. " " end
            if j > 0 and j <= length then mLeft = mLeft .. string.sub(mString, j, j) end
            if j > length then mLeft = mLeft .. " " end
        end
 
 
        SetRightDigits(mRight)
        SetGearDigit(mIddle)
        SetLeftDigits(mLeft)
 
        SLISendReport(1)
        SLISleep(mDelay)
    end
end