function eme_get_calendar($args = "")
{
    global $wp_locale;
    global $wpdb, $eme_timezone;
    // the calendar is being used, so we need the jquery for the calendar
    global $eme_need_calendar_js;
    $eme_need_calendar_js = 1;
    $defaults = array('category' => 0, 'notcategory' => 0, 'full' => 0, 'month' => '', 'year' => '', 'echo' => 1, 'long_events' => 0, 'author' => '', 'contact_person' => '', 'location_id' => '', 'template_id' => 0);
    $r = wp_parse_args($args, $defaults);
    extract($r);
    $echo = $echo === "true" || $echo === "1" ? true : $echo;
    $full = $full === "true" || $full === "1" ? true : $full;
    $long_events = $long_events === "true" || $long_events === "1" ? true : $long_events;
    $echo = $echo === "false" || $echo === "0" ? false : $echo;
    $full = $full === "false" || $full === "0" ? false : $full;
    $long_events = $long_events === "false" || $long_events === "0" ? false : $long_events;
    // this comes from global wordpress preferences
    $start_of_week = get_option('start_of_week');
    $eme_date_obj = new ExpressiveDate(null, $eme_timezone);
    if (get_option('eme_use_client_clock') && isset($_SESSION['eme_client_mday']) && isset($_SESSION['eme_client_month']) && isset($_SESSION['eme_client_fullyear'])) {
        // these come from client unless their clock is wrong
        $iNowDay = sprintf("%02d", $_SESSION['eme_client_mday']);
        $iNowMonth = sprintf("%02d", $_SESSION['eme_client_month']);
        $iNowYear = sprintf("%04d", $_SESSION['eme_client_fullyear']);
    } else {
        // Get current year, month and day
        list($iNowYear, $iNowMonth, $iNowDay) = explode('-', $eme_date_obj->getDate());
    }
    $iSelectedYear = $year;
    $iSelectedMonth = $month;
    if ($iSelectedMonth == '') {
        $iSelectedMonth = $iNowMonth;
    }
    if ($iSelectedYear == '') {
        $iSelectedYear = $iNowYear;
    }
    $iSelectedMonth = sprintf("%02d", $iSelectedMonth);
    // Get name and number of days of specified month
    $eme_date_obj->setDay(1);
    $eme_date_obj->setMonth($iSelectedMonth);
    $eme_date_obj->setYear($iSelectedYear);
    // Get friendly month name, but since DateTime::format doesn't respect the locale, we need eme_localised_date
    if ($full) {
        list($sMonthName, $iDaysInMonth) = explode('-', eme_localised_date($eme_date_obj->getDate(), 'F-t'));
    } else {
        list($sMonthName, $iDaysInMonth) = explode('-', eme_localised_date($eme_date_obj->getDate(), 'M-t'));
    }
    // take into account some locale info: some always best show full month name, some show month after year, some have a year suffix
    $locale_code = substr(get_locale(), 0, 2);
    $showMonthAfterYear = 0;
    $yearSuffix = "";
    switch ($locale_code) {
        case "hu":
            $showMonthAfterYear = 1;
            break;
        case "ja":
            $showMonthAfterYear = 1;
            $sMonthName = eme_localised_date($eme_date_obj->getDate(), 'F');
            $yearSuffix = "年";
            break;
        case "ko":
            $showMonthAfterYear = 1;
            $sMonthName = eme_localised_date($eme_date_obj->getDate(), 'F');
            $yearSuffix = "년";
            break;
        case "zh":
            $showMonthAfterYear = 1;
            $sMonthName = eme_localised_date($eme_date_obj->getDate(), 'F');
            $yearSuffix = "年";
            break;
    }
    if ($showMonthAfterYear) {
        $cal_datestring = "{$iSelectedYear}{$yearSuffix} {$sMonthName}";
    } else {
        $cal_datestring = "{$sMonthName} {$iSelectedYear}{$yearSuffix}";
    }
    // Get previous year and month
    $iPrevYear = $iSelectedYear;
    $iPrevMonth = $iSelectedMonth - 1;
    if ($iPrevMonth <= 0) {
        $iPrevYear--;
        $iPrevMonth = 12;
        // set to December
    }
    $iPrevMonth = sprintf("%02d", $iPrevMonth);
    // Get next year and month
    $iNextYear = $iSelectedYear;
    $iNextMonth = $iSelectedMonth + 1;
    if ($iNextMonth > 12) {
        $iNextYear++;
        $iNextMonth = 1;
    }
    $iNextMonth = sprintf("%02d", $iNextMonth);
    // Get number of days of previous month
    $eme_date_obj2 = new ExpressiveDate(null, $eme_timezone);
    $eme_date_obj2->setDay(1);
    $eme_date_obj2->setMonth($iPrevMonth);
    $eme_date_obj2->setYear($iPrevYear);
    $iPrevDaysInMonth = (int) $eme_date_obj2->getDaysInMonth();
    // Get numeric representation of the day of the week of the first day of specified (current) month
    // remember: first day of week is a Sunday
    // if you want the day of the week to begin on Monday: start_of_week=1, Tuesday: start_of_week=2, etc ...
    // So, if e.g. the month starts on a Sunday and start_of_week=1 (Monday), then $iFirstDayDow is 6
    $iFirstDayDow = (int) $eme_date_obj->getDayOfWeekAsNumeric() - $start_of_week;
    if ($iFirstDayDow < 0) {
        $iFirstDayDow += 7;
    }
    // On what day the previous month begins
    $iPrevShowFrom = $iPrevDaysInMonth - $iFirstDayDow + 1;
    // we'll look for events in the requested month and 7 days before and after
    $calbegin = "{$iPrevYear}-{$iPrevMonth}-{$iPrevShowFrom}";
    $calend = "{$iNextYear}-{$iNextMonth}-07";
    $events = eme_get_events(0, "{$calbegin}--{$calend}", "ASC", 0, $location_id, $category, $author, $contact_person, 1, $notcategory);
    $eventful_days = array();
    if ($events) {
        //Go through the events and slot them into the right d-m index
        foreach ($events as $event) {
            if ($event['event_status'] == STATUS_PRIVATE && !is_user_logged_in()) {
                continue;
            }
            $eme_date_obj_end = new ExpressiveDate($event['event_end_date'] . " " . $event['event_end_time'], $eme_timezone);
            $eme_date_obj_now = new ExpressiveDate(null, $eme_timezone);
            if (get_option('eme_cal_hide_past_events') && $eme_date_obj_end->lessThan($eme_date_obj_now)) {
                continue;
            }
            if ($long_events) {
                //If $long_events is set then show a date as eventful if there is an multi-day event which runs during that day
                $eme_date_obj_tmp = new ExpressiveDate($event['event_start_date'] . " " . $event['event_start_time'], $eme_timezone);
                if ($eme_date_obj_end->lessThan($eme_date_obj_tmp)) {
                    $eme_date_obj_end = $eme_date_obj_tmp->copy();
                }
                $day_count = 0;
                while ($eme_date_obj_tmp->lessOrEqualTo($eme_date_obj_end)) {
                    $event_eventful_date = $eme_date_obj_tmp->getDate();
                    //Only show events on the day that they start
                    if (isset($eventful_days[$event_eventful_date]) && is_array($eventful_days[$event_eventful_date])) {
                        $eventful_days[$event_eventful_date][] = $event;
                    } else {
                        $eventful_days[$event_eventful_date] = array($event);
                    }
                    $eme_date_obj_tmp->addOneDay();
                }
            } else {
                //Only show events on the day that they start
                if (isset($eventful_days[$event['event_start_date']]) && is_array($eventful_days[$event['event_start_date']])) {
                    $eventful_days[$event['event_start_date']][] = $event;
                } else {
                    $eventful_days[$event['event_start_date']] = array($event);
                }
            }
        }
    }
    // we found all the events for the wanted days, now get them in the correct format with a good link
    if ($template_id) {
        $event_format = eme_get_template_format($template_id);
    } else {
        $event_format = get_option('eme_full_calendar_event_format');
    }
    $event_title_format = get_option('eme_small_calendar_event_title_format');
    $event_title_separator_format = get_option('eme_small_calendar_event_title_separator');
    $cells = array();
    foreach ($eventful_days as $day_key => $events) {
        // Set the date into the key
        $events_titles = array();
        foreach ($events as $event) {
            $events_titles[] = eme_replace_placeholders($event_title_format, $event, "text");
        }
        $link_title = implode($event_title_separator_format, $events_titles);
        $cal_day_link = eme_calendar_day_url($day_key);
        // Let's add the possible options
        // template_id is not being used per event
        if (!empty($location_id)) {
            $cal_day_link = add_query_arg(array('location_id' => $location_id), $cal_day_link);
        }
        if (!empty($category)) {
            $cal_day_link = add_query_arg(array('category' => $category), $cal_day_link);
        }
        if (!empty($notcategory)) {
            $cal_day_link = add_query_arg(array('notcategory' => $scope), $cal_day_link);
        }
        if (!empty($author)) {
            $cal_day_link = add_query_arg(array('author' => $author), $cal_day_link);
        }
        if (!empty($contact_person)) {
            $cal_day_link = add_query_arg(array('contact_person' => $contact_person), $cal_day_link);
        }
        $event_date = explode('-', $day_key);
        $event_day = ltrim($event_date[2], '0');
        $cells[$day_key] = "<a title='{$link_title}' href='{$cal_day_link}'>{$event_day}</a>";
        if ($full) {
            $cells[$day_key] .= "<ul class='eme-calendar-day-event'>";
            foreach ($events as $event) {
                $cells[$day_key] .= eme_replace_placeholders($event_format, $event);
            }
            $cells[$day_key] .= "</ul>";
        }
    }
    // If previous month
    $isPreviousMonth = $iFirstDayDow > 0;
    // Initial day on the calendar
    $iCalendarDay = $isPreviousMonth ? $iPrevShowFrom : 1;
    $isNextMonth = false;
    $sCalTblRows = '';
    // Generate rows for the calendar
    for ($i = 0; $i < 6; $i++) {
        // 6-weeks range
        if ($isNextMonth) {
            continue;
        }
        $sCalTblRows .= "<tr>";
        for ($j = 0; $j < 7; $j++) {
            // 7 days a week
            // we need the calendar day with 2 digits for the planned events
            $iCalendarDay_padded = sprintf("%02d", $iCalendarDay);
            if ($isPreviousMonth) {
                $calstring = "{$iPrevYear}-{$iPrevMonth}-{$iCalendarDay_padded}";
            } elseif ($isNextMonth) {
                $calstring = "{$iNextYear}-{$iNextMonth}-{$iCalendarDay_padded}";
            } else {
                $calstring = "{$iSelectedYear}-{$iSelectedMonth}-{$iCalendarDay_padded}";
            }
            // each day in the calendar has the name of the day as a class by default
            $eme_date_obj = new ExpressiveDate($calstring, $eme_timezone);
            $sClass = $eme_date_obj->format('D');
            if (isset($cells[$calstring])) {
                if ($isPreviousMonth) {
                    $sClass .= " eventful-pre event-day-{$iCalendarDay}";
                } elseif ($isNextMonth) {
                    $sClass .= " eventful-post event-day-{$iCalendarDay}";
                } elseif ($calstring == "{$iNowYear}-{$iNowMonth}-{$iNowDay}") {
                    $sClass .= " eventful-today event-day-{$iCalendarDay}";
                } else {
                    $sClass .= " eventful event-day-{$iCalendarDay}";
                }
                $sCalTblRows .= '<td class="' . $sClass . '">' . $cells[$calstring] . "</td>\n";
            } else {
                if ($isPreviousMonth) {
                    $sClass .= " eventless-pre";
                } elseif ($isNextMonth) {
                    $sClass .= " eventless-post";
                } elseif ($calstring == "{$iNowYear}-{$iNowMonth}-{$iNowDay}") {
                    $sClass .= " eventless-today";
                } else {
                    $sClass .= " eventless";
                }
                $sCalTblRows .= '<td class="' . $sClass . '">' . $iCalendarDay . "</td>\n";
            }
            // Next day
            $iCalendarDay++;
            if ($isPreviousMonth && $iCalendarDay > $iPrevDaysInMonth) {
                $isPreviousMonth = false;
                $iCalendarDay = 1;
            }
            if (!$isPreviousMonth && !$isNextMonth && $iCalendarDay > $iDaysInMonth) {
                $isNextMonth = true;
                $iCalendarDay = 1;
            }
        }
        $sCalTblRows .= "</tr>\n";
    }
    $weekdays = array(__('Sunday'), __('Monday'), __('Tuesday'), __('Wednesday'), __('Thursday'), __('Friday'), __('Saturday'));
    $sCalDayNames = "";
    // respect the beginning of the week offset
    for ($i = $start_of_week; $i < $start_of_week + 7; $i++) {
        $j = $i;
        if ($j == 7) {
            $j -= 7;
        }
        if ($full) {
            $sCalDayNames .= "<td>" . $wp_locale->get_weekday_abbrev($weekdays[$j]) . "</td>";
        } else {
            $sCalDayNames .= "<td>" . $wp_locale->get_weekday_initial($weekdays[$j]) . "</td>";
        }
    }
    // the real links are created via jquery when clicking on the prev-month or next-month class-links
    $previous_link = "<a class='prev-month' href=\"#\">&lt;&lt;</a>";
    $next_link = "<a class='next-month' href=\"#\">&gt;&gt;</a>";
    $random = rand(100, 200);
    $full ? $class = 'eme-calendar-full' : ($class = 'eme-calendar');
    $calendar = "<div class='{$class}' id='eme-calendar-{$random}'>";
    if ($full) {
        $fullclass = 'fullcalendar';
        $head = "<td class='month_name' colspan='7'>{$previous_link} {$next_link} {$cal_datestring}</td>\n";
    } else {
        $fullclass = '';
        $head = "<td>{$previous_link}</td><td class='month_name' colspan='5'>{$cal_datestring}</td><td>{$next_link}</td>\n";
    }
    // Build the heading portion of the calendar table
    $calendar .= "<table class='eme-calendar-table {$fullclass}'>\n" . "<thead>\n<tr>\n" . $head . "</tr>\n</thead>\n" . "<tr class='days-names'>\n" . $sCalDayNames . "</tr>\n";
    $calendar .= $sCalTblRows;
    $calendar .= "</table>\n</div>";
    // we generate the onclick javascript per calendar div
    // this is important if more than one calendar exists on the page
    $calendar .= "<script type='text/javascript'>\n         jQuery('#eme-calendar-" . $random . " a.prev-month').click(function(e){\n            e.preventDefault();\n            tableDiv = jQuery('#eme-calendar-" . $random . "');\n            loadCalendar(tableDiv, '{$full}', '{$long_events}','{$iPrevMonth}','{$iPrevYear}','{$category}','{$author}','{$contact_person}','{$location_id}','{$notcategory}','{$template_id}');\n         } );\n         jQuery('#eme-calendar-" . $random . " a.next-month').click(function(e){\n            e.preventDefault();\n            tableDiv = jQuery('#eme-calendar-" . $random . "');\n            loadCalendar(tableDiv, '{$full}', '{$long_events}','{$iNextMonth}','{$iNextYear}','{$category}','{$author}','{$contact_person}','{$location_id}','{$notcategory}','{$template_id}');\n         } );\n         </script>";
    $output = $calendar;
    if ($echo) {
        echo $output;
    } else {
        return $output;
    }
}