$(document).ready(function() {
  // Update on load
  filterEvents();
  // Update when changed
  $('.clsFilter input').click(filterEvents);
}); // $(document).ready

function filterEvents() {
  // Fade out no results message
  $('#pCourseResults').fadeOut(100, function() {
    // When complete fade events out
    $('#ulCourses').fadeOut(100, function() {
      // Build array of unchecked courses & events
      var not_checked = new Array(); var count = 0;
      $('.clsFilter li input:not(:checked)').each(function(){
        not_checked[count++] = $(this).parents('li').text();
      });
      // For each event
      $('#ulCourses li').show().each(function(){
        // If course or event is in array hide it
        if ((jQuery.inArray($('.clsCourseTitle', this).text(),not_checked) != -1)
            || (jQuery.inArray($('.clsCourseVenue', this).text(),not_checked) != -1))
          $(this).hide();
      });
      // Show no results message
      if ($('#ulCourses li:visible').size() == "0")
        $('#pCourseResults').fadeIn(250);
      $(this).fadeIn(250);
    });
  });
} // filterEvents