if [ -x ${BIN_PATH}emerald ] && [ "$USE_EMERALD" = "yes" ]; then
    ${BIN_PATH}emerald --replace &
elif [ x$DESKTOP_SESSION = x"kde" ] && [ -x ${BIN_PATH}kde-window-decorator ]; then
    ${BIN_PATH}kde-window-decorator --replace &
else
    ${BIN_PATH}gtk-window-decorator --replace &
fi