elif cmd_exists xscreensaver && [ -e ~/.xscreensaver ]; then
fork XENVIRONMENT=~/.xscreensaver /usr/bin/xscreensaver;
elif cmd_exists xautolock; then
elif cmd_exists xscreensaver && [ -e ~/.xscreensaver ]; then
fork XENVIRONMENT=~/.xscreensaver /usr/bin/xscreensaver;
elif cmd_exists xautolock; then