this is my fstab line about shared docs on windows xp

//192.168.0.3/SharedDocs        /mnt/bro        smbfs           user,noauto,uid=1000,gid=1000   0       0

and when i try to mount from user (non root) this is the output:

 mount /mnt/bro/
Password: 
cannot mount on /mnt/bro: Operation not permitted
smbmnt failed: 1