currentFKey := 1
maxFKeys := 3

~WheelUp::
    currentFKey += 1
    if currentFKey > maxFKeys
        currentFKey := 1

    key := "F" . currentFKey
    SendInput {%key%}
return

~WheelDown::
    currentFKey -= 1
    if currentFKey < 1
        currentFKey := maxFKeys

    key := "F" . currentFKey
    SendInput {%key%}
return

~F1::
    currentFKey := 1
return

~F2::
    if maxFKeys > 1
        currentFKey := 2
return

~F3::
    if maxFKeys > 2
        currentFKey := 3
return

~F4::
    if maxFKeys > 3
        currentFKey := 4
return

~F5::
    if maxFKeys > 4
        currentFKey := 5
return

~F6::
    if maxFKeys > 5
        currentFKey := 6
return

~F7::
    if maxFKeys > 6
        currentFKey := 7
return

~F8::
    if maxFKeys > 7
        currentFKey := 8
return

~F9::
    if maxFKeys > 8
        currentFKey := 9
return

~F10::
    if maxFKeys > 9
        currentFKey := 10
return

~F11::
    if maxFKeys > 10
        currentFKey := 11
return

~F12::
    if maxFKeys > 11
        currentFKey := 12
return