Gallerie-Reihenfolge rückwärts trotz 'ASC'

<?php
         } // end if static image
         else
         {
             $page_bg_gallery_id = get_post_meta($current_page_id, 'page_bg_gallery_id', true);
             $args = array( 
                 'post_type' => 'attachment', 
                 'numberposts' => -1, 
                 'post_status' => null, 
                 'post_parent' => $page_bg_gallery_id,
                 'order' => 'ASC',
                 'orderby' => 'menu_order',
             ); 
             $bg_photo_arr = get_posts( $args );
         ?>

<script type="text/javascript" src="<?php echo get_stylesheet_directory_uri(); ?>/js/supersized.3.1.3.js"></script>
        <script type="text/javascript" src="<?php echo get_stylesheet_directory_uri(); ?>/js/supersized.shutter.js"></script>
        
        <script type="text/javascript">  
            
            jQuery(function($){
                $.supersized({
                
                    //Functionality
                    slideshow               :   1,        //Slideshow on/off
                    autoplay                :    1,        //Slideshow starts playing automatically
                    start_slide             :   1,        //Start slide (0 is random)
                    random                    :     0,        //Randomize slide order (Ignores start slide)
                    slide_interval          :   10000,    //Length between transitions
                    <?php                        
                        $pp_homepage_slideshow_trans = get_option('pp_homepage_slideshow_trans');
                        
                        if(empty($pp_homepage_slideshow_trans))
                        {
                            $pp_homepage_slideshow_trans = 1;
                        }
                    ?>
                    transition              :   <?php echo $pp_homepage_slideshow_trans; ?>,         //0-None, 1-Fade, 2-Slide Top, 3-Slide Right, 4-Slide Bottom, 5-Slide Left, 6-Carousel Right, 7-Carousel Left
                    transition_speed        :    500,    //Speed of transition
                    new_window                :    1,        //Image links open in new window/tab
                    pause_hover             :   0,        //Pause slideshow on hover
                    keyboard_nav            :   1,        //Keyboard navigation on/off
                    performance                :    1,        //0-Normal, 1-Hybrid speed/quality, 2-Optimizes image quality, 3-Optimizes transition speed // (Only works for Firefox/IE, not Webkit)
                    image_protect            :    0,        //Disables image dragging and right click with Javascript


                    //Size & Position
                    min_width                :   0,        //Min width allowed (in pixels)
                    min_height                :   0,        //Min height allowed (in pixels)
                    vertical_center         :   1,        //Vertically center background
                    horizontal_center       :   1,        //Horizontally center background
                    <?php                        
                        $pp_enable_fit_image = get_option('pp_enable_fit_image');
                        
                        if(empty($pp_enable_fit_image))
                        {
                            $pp_enable_fit_image = 1;
                        }
                        else
                        {
                            $pp_enable_fit_image = 0;
                        }
                    ?>
                    fit_portrait             :   <?php echo $pp_enable_fit_image; ?>,        //Portrait images will not exceed browser height
                    fit_landscape            :   <?php echo $pp_enable_fit_image; ?>,        //Landscape images will not exceed browser width
                    
                    //Components
                    navigation              :   1,        //Slideshow controls on/off
                    thumbnail_navigation    :   0,        //Thumbnail navigation
                    slide_counter           :   0,        //Display slide numbers
                    slide_captions          :   0,        //Slide caption (Pull from "title" in slides array)
                    progress_bar            :    1,
                    slides                     :      [        //Slideshow Images
                                                          
    


        <?php
            foreach($bg_photo_arr as $key => $photo)
            {
                $small_image_url = get_stylesheet_directory_uri().'/images/000_70.png';
                $hyperlink_url = get_permalink($photo->ID);
                
                if(!empty($photo->guid))
                {
                    $image_url[0] = $photo->guid;
                
                    $small_image_url = get_stylesheet_directory_uri().'/timthumb.php?src='.$image_url[0].'&amp;h=80&amp;w=130&amp;zc=1';
                }


        ?>


            <?php $homeslides .= '{image : \''.$image_url[0].'\', thumb: \''.$small_image_url.'\', title: "<div id=\"gallery_title\">'.$photo->post_title.'</div><div id=\"gallery_desc\">'.$photo->post_content.'</div>"},'; ?>
            
        <?php
            }
        ?>


                        <?php $homeslides = substr($homeslides,0,-1);
                        echo $homeslides; ?>                        ]
                                                
                }); 
            });
            
        </script>