not working these works
Toggle "Zoom line thickness"
SetPref(9, NOT GetPref(9)); { toggle zoom-line }
Toggle "Black and white only"
SetPref(10, NOT GetPref(10)); { black and white only }
Toggle "Show Other Objects While In Group"
SetPref(14, NOT GetPref(14)); { Show Other Objects While In Group }
Toggle "Use Black Background"
SetPref(16, NOT GetPref(16)); { Use Black Background }
Toggle "Use Sound"
SetPref(18, NOT GetPref(18)); { Use Sound }
Toggle "Compiler mode"
SetPref(407, NOT GetPref(407)); { toggle zoom-line }
[edit]