My version of the script on http://task3.cc/418/how-to-automatically-mount-and-umount-apple-time-capsule-on-linux/

gistfile1.sh

TIMECAPSULE_IP=""                         # e.g. "192.168.1.100"
TIMECAPSULE_VOLUME="/Time Capsule"        # also try "/Data"
export PASSWD='YOURPASSWORDHERE'          # No need to escape anything (except "'")
MOUNT_POINT="/mnt/timecapsule"            # no need to create the directory

IS_MOUNTED=`mount 2> /dev/null | grep "$MOUNT_POINT" | cut -d' ' -f3`
TIMECAPSULE_PATH="//$TIMECAPSULE_IP$TIMECAPSULE_VOLUME"
 
if [[ "$IS_MOUNTED" ]] ;then
    umount $MOUNT_POINT
    rmdir $MOUNT_POINT
else
    CHECK_TIMECAPSULE=`smbclient --no-pass -L "$TIMECAPSULE_IP" 2>&1 > /dev/null | grep -m1 -i apple`
    if [[ "$CHECK_TIMECAPSULE" =~ "Apple" ]] ;then
        mkdir "$MOUNT_POINT"
        mount -t cifs "$TIMECAPSULE_PATH" "$MOUNT_POINT" -o file_mode=0777,dir_mode=0777,sec=ntlm
    fi
fi
unset PASSWD

Thank you Erik van Oosten, I just run your program for the linux mint system installed on the PC and it worked straight away. the only problem was that I had to mount on my personal files and not on those of root.
Paul Smeulders