function myOpenWindow(url, w, h) {
  var window_left=(screen.width-w)/2;
  var window_top=(screen.height-h)/2;
  window.open(url, "","width=" + w + ",height=" + h + ",top=" + window_top + ",left=" + window_left + ",scrollbars=1");
}

function NewsArchive(AjaxUrl, ClubID, StartYear, LoaderElement) {
  new Ajax.Request(AjaxUrl+'?xhr&club_id='+ClubID+'&start_year='+StartYear, {
    onSuccess: function(response) {
      LoaderElement.style.display='none';
      $('ajax_content').innerHTML+=response.responseText;
      
    }
  });
}