boutton ok dans la barre de recherche

[lebarront]

bonjours tous est dans le titre

je cherche a ajouter un boutton ok a ce code

 

    {if $MENU != ''}
    </div>
   <!-- Menu -->
    <div class="sf-contener">
	  <ul class="sf-menu">
	    {$MENU}
	    {if $MENU_SEARCH}
	    <li class="sf-search" style="float:right">
 <form action="{$base_dir}recherche-reference.php" method="get" name="adv_search_ref" onsubmit="return(recherche_reference());" id="adv_search_reference">

  <div id="champ_reference">
	    <input type="texte" name="reference" value="refe" maxlength="15" size="15"/>
    </div>



    <div id="aide_formulaire_reference"style="display:none;">
	    <div id="aide_truc_reference">
	    </div>
	    <div id="aide_texte_reference">

	    </div>
  </div>
   </form>
	    </li>
	    {/if}
	  </ul>
    <script type="text/javascript" src="{$this_path}js/hoverIntent.js"></script>
<script type="text/javascript" src="{$this_path}js/superfish-modified.js"></script>
    <link rel="stylesheet" type="text/css" href="{$this_path}css/superfish-modified.css" media="screen">
   <!--/ Menu -->
    {/if}