// use jQuery tooltip to make footnotes appear near call number when mouse hovers
$(function() {
  $("a.footref").tooltip({
    bodyHandler: function() {return "<div class='fn'>" + $($(this).attr("href")).html() + "</div>";},
    track: true, 
    delay: 100, 
    showURL: false, 
    fade: 250 
  });
});