[ -x "${_EXEC}/pages/${PAGE}.sh" ] || PAGE="error"
[ -z "$NAVIGATION" ] && NAVIGATION=($(printf %s\\n "${_EXEC}"/pages/*.sh |sed -r 's;^.*/([^/]*)\.sh$;\1;'))
[ -x "${_EXEC}/pages/${PAGE}.sh" ] || PAGE="error"
[ -z "$NAVIGATION" ] && NAVIGATION=($(printf %s\\n "${_EXEC}"/pages/*.sh |sed -r 's;^.*/([^/]*)\.sh$;\1;'))