calendar functions

function ai1ec_init() {
global $ai1ec_settings,
$ai1ec_calendar_controller,
$ai1ec_events_controller, $calendar;
ob_start();
$ai1ec_calendar_controller->view();
$calendar = ob_get_contents();
ob_end_clean();
}

function calendarfunc() {
    $calendar;
    ai1ec_init();
}

add_action('wp_head', 'calendarfunc');

function show_ai1ec($desc='') {
global $calendar;
$content .=
'<div id="ai1ec-container" class="ai1ec-container '.join(' ',get_init_ai1ec_class()).'">'
. "<h3>boh</h3>"
. '<p class="schedule_desc">' . $desc . '</p>'
. $calendar
. '</div>';
echo $content; }