function imprimerArticle(idArticle)
{

   $('attente_question').innerHTML="<img src='/IMG/attente.gif'/>";

   new Ajax.Request("/spip.php",
   {

      method: "get",
      parameters: $H({"id_article": idArticle, "page": "article_pdf"}).toQueryString() ,

      onSuccess: function(req)
      {
         window.location="/spip.php?page=article_pdf&id_article="+idArticle;
      },

      onFailure: function(req)
      {
         $('attente_question').innerHTML="";
         alert("Une erreur est survenue");
      },

      onException: function(req,ex)
      {
         $('attente_question').innerHTML="";
         alert("Une erreur est survenue");
      }

   });

}