Dual Boot Error (Win7 and Win XP)

Hello, I have two HDDs one with Win7(250GB) and other with WinXP(120GB). As my PC does not allow me to select boot drive by pressing F8 or any key, i tried to make it dual boot using EasyBCD. I *installed EasyBCD on Win7* and as per the tutorial added entry to Win Xp and then follwed the steps to Install WinXP bootloader to MBR and then write MBR. When i rebooted PC with Win7 disk as...