if [ `pidof xscreensaver` ]; then
	su $user -c "(xscreensaver-command -throttle)"
		if [ x$LOCK_SCREEN = xtrue ]; then
		su $user -c "(xscreensaver-command -lock)"
	fi
elif [ `pidof dcopserver` ]; then
	dcop kdesktop KScreensaverIface lock
fi

xset dpms force off
if [ x$RADEON_LIGHT = xtrue ]; then
    [ -x /usr/sbin/radeontool ] && radeontool light off
fi