+ <th><a href="?order=alpha{if $smarty.request.order neq "alpha_inv"}_inv{/if}{if $request_group and $group eq 'initiale'}&initiale={$request_group}{/if}">Prénom NOM</a></th>
+ <th><a href="?order=promo{if $smarty.request.order eq "promo"}_inv{/if}{if $request_group and $group eq 'promo'}&promo={$request_group}{/if}">Promo</a></th>