User HomeDrive when user logon to Server

I got 10 User win98 that logon to win NT server for validate their password.I also have create 10 folder in server.

My Question is :
– How to create logon script, that mean whenever user logon to server they will get their own homedrive that I have created on server for keep their own data.
– I want do this because whenever their Harddisk crash, their important data will gone.

I hope TechRepublic can help me.