XP doesn't show up after Vista install..


After I installed Vista in my empty drive, XP doesn't show up during the boot process.. Computer directly boots Vista.. My XP files(boot and programs) are all in tact.. Please tell me how I can get XP back on the boot load menu.. Thanks in advance..:joy:
Sry for saying this.. It doesn't appear like english to me.. It all looks sooo technical.. Cant understand a bit. Can U please explain..