function setFiche(idP, idCateg, idArt, w, h){
          page= "static/fiche.php?idP="+idP+"&idCateg="+idCateg+"&idArt="+idArt+"";
          window.open(page, "", "width="+w+",height="+h+",scrollbars=1,resizable,menubar=1,status=1,left=" +((screen.width - w)/2) + ",top=" + ((screen.height - h)/2) );
}