can’t logon to win xp

i have win98 and winxp pro as my partition.i had created a administrator account in win xp.By mistake i deleted and disabled my winxp administrator account and now i can’t logon to winxp. i perform a lot of work on winxp.The logo for admin account for login does not appear.i have tried using safe mode but it does not work. is there any way of solving the problem? Please help.