/// <summary>
        /// A small helper method to create the basic merge varibles from a person (FNAME, LNAME, BIRTHDATE, GENDER).
        /// </summary>
        /// <param name="person"></param>
        /// <param name="merges"></param>
        private static void BuildMergeVars( Person person, MCMergeVar[] merges, ListItemCollection listItemCollection)
        {
            merges[0].tag = "FNAME";
            merges[0].val = person.FirstName;
            merges[1].tag = "LNAME";
            merges[1].val = person.LastName;

            if ( person.BirthDate != Constants.NULL_DATE )
            {
                merges[2].tag = "BIRTHDATE";
                merges[2].val = person.BirthDate.ToShortDateString();
            }
            merges[3].tag = "GENDER";
            merges[3].val = person.Gender.ToString();

            merges[4].tag = "INTERESTS";

            // Turn the selected items in the checkbox into a comma delimited list of interests (ex: "A,B,C")
            var values =  listItemCollection.Cast<ListItem>().Where( n => n.Selected ).Select( n => n.Value ).ToArray();
            merges[4].val = string.Join( ",", values );
        }