document.observe("dom:loaded", function() {
  $$('.container').each(function(container){
      container.select('a[href^=http]', 'a[href$=pdf]').each(function(link){
        link.writeAttribute({target:"_blank", title:"Javascript will open this external link in a new window."});
        link.addClassName("external");
        link.observe('click', function(e){
          window.location.reload(true);
        })
      });
  }); 
});