function support(f) {
  var url = 'http://ltts1.crlt.indiana.edu/system/support/mysql_rec.pl';
  var strParams = '?r='+document.referrer+'&f='+f;
  window.location = url+strParams;
}
function guestbook(site) {
  var url = 'http://ltts1.crlt.indiana.edu/system/test/guestbook.pl?site=' + site;
  guestWin=window.open(url, 'guestbook', 'menubar=0,toolbar=0,scrollbars=0,resizable=yes,width=640,height=450');
  guestWin.focus();
}