[some.html]

    ...
   <table class="someclass">
%   my $counter = 1;	 
%   foreach my $pr (@projects) {
%     my $rowcolor = ++$counter & 1 ? $color{DARK} : $color{LIGHT};
      <tr class="tablefont" bgcolor="<% $bgcol %>">
        <td> <% $pr->{topic} %>:</td>
        <td> <% $pr->{link} %> </td>
      </tr>
%   } 
    </table>
    ...