:D

function toggle(  )
    if ( guiGetVisible( win ) == true ) then
        guiSetVisible ( win, false )
        showCursor(false)
        guiSetInputEnabled(false)
    else
        guiSetVisible ( win, true )
        showCursor(true)
        guiSetInputEnabled(true)
    end
end
bindKey("F1", "down", toggle)