<div class="sub_menu">

           	<?php
			IF ($post->post_parent <> "0"){
			?>
				<?php $subn_pages = get_pages( array('sort_order' => 'DESC','sort_column' => 'menu_order','child_of' => $post->post_parent,'post_type' => 'page') ); ?>
				<?php foreach ($subn_pages as $subn_page) {
					IF ($subn_page->ID <> $post->ID){
				echo "<div class='sub_menu_item'><a href='".get_page_link($subn_page->ID)."' class='top_menu'>".$subn_page->post_title."</a></div>";
					}Else{
						echo "<div class='sub_menu_item_selected'><a href='".get_page_link($subn_page->ID)."' class='top_menu'>".$subn_page->post_title."</a></div>";
					}
				}

			}else{
				?>
				<?php $sub_pages = get_children( array('sort_order' => 'DESC','sort_column' => 'menu_order','post_parent' => get_the_ID(),'post_type' => 'page') ); ?>
				<?php foreach ($sub_pages as $sub_page) {
				echo "<div class='sub_menu_item'><a href='".get_page_link($sub_page->ID)."' class='top_menu'>".$sub_page->post_title."</a></div>";
				}
			}
			?>




        </div>