def lookupFieldType( element )
      type = ""
      if element and element.is_a?( REXML::Element )
         if element.name == "f" and @fields
            fid = element.attributes[ "id" ]
            field = lookupField( fid ) if fid
            type = field.attributes[ "field_type" ] if field
         end
      end
      type
   end
def lookupFieldType( element )
      type = ""
      if element and element.is_a?( REXML::Element )
         if element.name == "f" and @fields
            fid = element.attributes[ "id" ]
            field = lookupField( fid ) if fid
            type = field.attributes[ "field_type" ] if field
         end
      end
      type
   end
Returns a QuickBase field type, given an XML "fid" element.