How To Change Default Operating System Boot?

Just partioned my hard drive and installed windows xp onto the the second one



I have a 500gb hard drive and gave 30gb to xp i usualy run vista



I cant seem to get change back on to vista. When i start my computer up it goes straight to XP and doesnt give me an option.



If i go into:



%26gt;system

%26gt;Advanced

%26gt;startup and recovery



My vista operating system isnt listed and i cant find it.



I know its deffitnly there as i went into disk managment and i can see all my file in the first part of the hard drive and can see there are 2 partioned,



How do i get back on to vista from xp??How To Change Default Operating System Boot?
Use this:



http://en.wikipedia.org/wiki/EasyBCD