$(document).ready(function(){
    $('.accordion .head').click(function() {
        $(this).next().toggle('slow');
        return false;
    }).next().hide();
});

  $(function() {
    $("#accordion").accordion({
      autoHeight: false,
      icons: {
        header: "ui-icon-circle-arrow-e",
        headerSelected: "ui-icon-circle-arrow-s"
      }
    });
  });