adding fields to the membership signup form

I would like to add additional fields, such as the following to "Membership Application - Create An Account" http://7designavenue.net/ncjw/join/membership-application/?action=registeruser&subscription=1

• Last name
• First name
• Address
• City
• State
• Zip
• Telephone
• Branch
? Daytime
? West Houston Evening
? Career
? Concerned Young Women
• Lifetime member or Regular member