function enable-trackpad(){
    xinput --set-prop "AlpsPS/2 ALPS DualPoint TouchPad" "Device Enabled" 1
    xinput --set-prop "DualPoint Stick" "Device Enabled" 1
}
function disable-trackpad(){
    xinput --set-prop "AlpsPS/2 ALPS DualPoint TouchPad" "Device Enabled" 0
    xinput --set-prop "DualPoint Stick" "Device Enabled" 0
}