/*<![CDATA[*/
    function showPromocao() {
        if(!document.all) {
          var width = 500
          var height = 400
        } else {
          var width = 518
          var height = 402
        }
        var url = urlBase + '/alterosa/modulos/promocao/portlets/promocao_popup?id_promocao=' + id_promocao
      
        var winl = (screen.width - width)/2;
        var wint = (screen.height - height)/2;
        if (winl < 0) winl = 0;
        if (wint < 0) wint = 0;

        var attributes = 'width=' + width + ', height=' + height + ', scrollbars=yes';
  
        attributes += ", top=" + wint + ", left=" + winl;
        window.open(url, 'Promocao', attributes);
    }
/*]]>*/