VCF_FIELDS=(PHOTO LOGO FN NICKNAME SOUND GENDER KIND TITLE ROLE ORG MEMBER CATEGORIES ANNIVERSARY BDAY EMAIL TEL IMPP ADR URL LANG NOTE RELATED X-ZACK-JOINDATE X-ZACK-LEAVEDATE)
+[ -z "$NAVIGATION" ] && NAVIGATION=(attendees courses)
+PAGE="${_GET[p]:-$PAGE}"
+
uuidgenerator(){
head -c16 /dev/urandom |sha1sum - |cut -c1-32
}