how to dual boot the ubuntu and windows 7 again?(after install ubuntu)

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http://askubuntu.com – i have problem with dual booting windows and ubuntu... i had windows 7 then i installed ubuntu 12.4. ubuntu installed side by side windows and everything worked just fine.. then i decide to install ubuntu 12.10. i didn't upgrade it from update manager . i reinstalled it from boot.and in the installation i chose (something else)...and i deleted swap and root and boot partition and recreate all of it. after install, windows does not come up. i dont know how bring it up. is there software like easy bcd for ubuntu? i want my windows 7 back.i want both of them side by side like before. (HowTos)