1.install dvd -s mode:
fdisk -e /dev/rdisk0
flag 1
update
write
quit
reboot

2. vista partition
sudo fdisk -e /dev/rdisk0
flag 2
quit
reboot

3.repair with vista dvd

4.xp partition

sudo fdisk -e /dev/rdisk0
flag 3
quit reboot

5. mac partition

fdisk -e /dev/rdisk0
flag 1
quit 
reboot