[% IF action == 'select_sp' %]
 [% TRY %]
  [% PROCESS 'templates/web/select_sp.tt2.html' %]
 [% CATCH %]
  An error occured
 [% END %]

[% ELSIF action == 'get_sp_list' %]
 [% TRY %]
  [% PROCESS 'templates/web/get_sp_list.tt2.html' %]
 [% CATCH %]
  An error occured
 [% END %]
 
[% ELSE %]
Error: unknown action

[% END %]