function get_schedule()
{
    for ($day = 1; $day <= 3; $day++) {
        for ($session = 1; $session <= 3; $session++) {
            echo '<div id="d' . $day . 's' . $session . '" class="sched-block ">';
            $j = 1;
            for ($track = 0; $track <= 8; $track++) {
                if ($j % 3 == 1) {
                    echo '<div class="row">';
                }
                echo '<div class="col-sm-4 session "><h2>';
                if ($track == 0) {
                    echo 'Invited Talk';
                } else {
                    echo 'Track ' . $track;
                }
                echo '</h2>';
                switch ($track) {
                    case 0:
                        echo '<p class="room-number">Portland Ballroom</p>';
                        break;
                    case 1:
                        echo '<p class="room-number">Room D137-138';
                        break;
                    case 2:
                        echo '<p class="room-number">Room D139-140';
                        break;
                    case 3:
                        echo '<p class="room-number">Room D133-134';
                        break;
                    case 4:
                        echo '<p class="room-number">Room D135';
                        break;
                    case 5:
                        echo '<p class="room-number">Room D136';
                        break;
                    case 6:
                        echo '<p class="room-number">Room E141-142';
                        break;
                    case 7:
                        echo '<p class="room-number">Room E143-144';
                        break;
                    case 8:
                        echo '<p class="room-number">Room E145';
                        break;
                    default:
                        echo 'Unknown room';
                        break;
                }
                for ($slot = 1; $slot <= 3; $slot++) {
                    $session_id = "d" . $day . "t" . $track . "s" . $session . "l" . $slot;
                    $the_query = new WP_Query(args_for_post($day, $session, $track, $slot));
                    while ($the_query->have_posts()) {
                        $the_query->the_post();
                        echo '<div id="' . $session_id . '" class="single-session">';
                        // foreach (get_post_custom_values('topic')  as $key => $value ) {
                        //   echo '<span class="session-topic">'. $value.'</span><br>';
                        // }
                        echo '<span class="session-time">';
                        if ($track == 0) {
                            echo time_for_presentation($day, $session, $slot, 60);
                        } else {
                            echo time_for_presentation($day, $session, $slot);
                        }
                        echo '</span><br>';
                        echo '<span data-toggle="collapse" data-target="#' . $session_id . '-content" class="session-title">' . get_the_title() . '</span><br>';
                        echo '<span class="session-presenter">';
                        echo the_author_meta('first_name') . ' ';
                        echo the_author_meta('last_name');
                        if (get_the_author_meta('organization')) {
                            echo ', ';
                            the_author_meta('organization');
                        }
                        $p2 = get_post_custom_values('presenter2_full_name');
                        $p3 = get_post_custom_values('presenter3_full_name');
                        $p2org = get_post_custom_values('presenter2_organization');
                        $p3org = get_post_custom_values('presenter3_organization');
                        if ($p2[0]) {
                            echo '<br>' . $p2[0];
                            if ($p2org[0]) {
                                echo ', ' . $p2org[0];
                            }
                        }
                        if ($p3[0]) {
                            echo '<br>' . $p3[0];
                            if ($p3org[0]) {
                                echo ', ' . $p3org[0];
                            }
                        }
                        echo '</span>';
                        $collapse = $track == 0 ? '' : 'collapse';
                        echo '<div id="' . $session_id . '-content" class="post-content ' . $collapse . '">';
                        $photo = get_post_custom_values('highlight_photo');
                        if ($photo[0]) {
                            echo '<div style="float: left; margin-right: 1em;margin-bottom: 1em;"><img src="' . $photo[0] . '"></div>';
                        }
                        echo '<div>' . the_content() . '</div><br><a href="' . get_permalink() . '"><span class="glyphicon glyphicon-link"></span></a></div>';
                        echo '</div>';
                        //single-session
                    }
                    //while
                }
                //for each slot
                echo '</div>';
                // end session
                if ($j % 3 == 0) {
                    echo '</div>';
                }
                // end row div
                $j++;
            }
            // for each track
            echo '</div>';
            //end sched-block
        }
    }
}
            break;
        case 2:
            $dayNice = 'Thursday';
            break;
        case 3:
            $dayNice = 'Friday';
            break;
        default:
            $dayNice = '';
    }
    echo '<br>';
    echo '<strong>' . $dayNice . '</strong> ';
    if ($track[0] == 0) {
        echo time_for_presentation($day[0], $session[0], $slot[0], 60);
    } else {
        echo time_for_presentation($day[0], $session[0], $slot[0]);
    }
    echo '<br>';
    echo '<em>Session ' . $session[0] . ', Track ' . $track[0] . ', Slot ' . $slot[0] . '</em>';
    ?>
          </div>
          <div class="content">
              <?php 
    the_content();
    ?>
          </div>
          <?php 
}
// end of the loop.
?>
      </div>