code: public boolean removeFieldsFromPage(int page) {
          if (page < 1)
              return false;
          String names[] = new String[fields.size()];
          fields.keySet().toArray(names);
          boolean found = false;
          for (int k = 0; k < names.length; ++k) {
              boolean fr = removeField(names[k], page);
              found = (found || fr);
          }
          return found;
      }
docs: Removes all the fields from <CODE>page</CODE>.
  
  @param page the page to remove the fields from
  @return <CODE>true</CODE> if any field was removed, <CODE>false otherwise</CODE>