OK, let's do this one step at a time.
First, while in Win 7 open an administrative command prompt. Type the following and hit enter after:
bcdboot D:\Windows /s D:
Look for a confirmation then close the command Window.
(An administrative window can be opened by going to Start Menu, All Programs, Accessories and right clicking on Command Prompt and select "Run as Admin")
This will put the boot files on the Win 7 partition. So far nothing has been really changed on your system.
Now, boot to the Partition Wizard CD. Allow it to boot by itself and when it is ready, right click the Win 7 partition. Select Modify, then set partition primary.
Now, do the same thing but use the set active option.
Now click the...