diff -r f507feede89a -r 09a1c134465b web/wp-admin/includes/nav-menu.php
--- a/web/wp-admin/includes/nav-menu.php	Wed Dec 19 12:35:13 2012 -0800
+++ b/web/wp-admin/includes/nav-menu.php	Wed Dec 19 17:46:52 2012 -0800
@@ -247,11 +247,12 @@
 		$output .= $indent . '<li>';
 		$output .= '<label class="menu-item-title">';
 		$output .= '<input type="checkbox" class="menu-item-checkbox';
-		if ( ! empty( $item->_add_to_top ) ) {
+		if ( property_exists( $item, 'front_or_home' ) && $item->front_or_home ) {
+			$title = sprintf( _x( 'Home: %s', 'nav menu front page title' ), $item->post_title );
 			$output .= ' add-to-top';
 		}
 		$output .= '" name="menu-item[' . $possible_object_id . '][menu-item-object-id]" value="'. esc_attr( $item->object_id ) .'" /> ';
-		$output .= empty( $item->label ) ? esc_html( $item->title ) : esc_html( $item->label );
+		$output .= isset( $title ) ? esc_html( $title ) : esc_html( $item->title );
 		$output .= '</label>';
 
 		// Menu item hidden fields
@@ -511,8 +512,8 @@
 	}
 	?>
 	<p class="button-controls">
-		<img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
-		<?php submit_button( __( 'Save' ), 'primary', 'nav-menu-locations', false, disabled( $nav_menu_selected_id, 0, false ) ); ?>
+		<?php submit_button( __( 'Save' ), 'primary right', 'nav-menu-locations', false, disabled( $nav_menu_selected_id, 0, false ) ); ?>
+		<span class="spinner"></span>
 	</p>
 	<?php
 }
@@ -560,8 +561,8 @@
 
 		<p class="button-controls">
 			<span class="add-to-menu">
-				<img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
-				<input type="submit"<?php disabled( $nav_menu_selected_id, 0 ); ?> class="button-secondary submit-add-to-menu" value="<?php esc_attr_e('Add to Menu'); ?>" name="add-custom-menu-item" id="submit-customlinkdiv" />
+				<input type="submit"<?php disabled( $nav_menu_selected_id, 0 ); ?> class="button-secondary submit-add-to-menu right" value="<?php esc_attr_e('Add to Menu'); ?>" name="add-custom-menu-item" id="submit-customlinkdiv" />
+				<span class="spinner"></span>
 			</span>
 		</p>
 
@@ -692,11 +693,11 @@
 			?>
 			<p class="quick-search-wrap">
 				<input type="search" class="quick-search input-with-default-title" title="<?php esc_attr_e('Search'); ?>" value="<?php echo $searched; ?>" name="quick-search-posttype-<?php echo $post_type_name; ?>" />
-				<img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
-				<?php submit_button( __( 'Search' ), 'quick-search-submit button-secondary hide-if-js', 'submit', false, array( 'id' => 'submit-quick-search-posttype-' . $post_type_name ) ); ?>
+				<span class="spinner"></span>
+				<?php submit_button( __( 'Search' ), 'button-small quick-search-submit button-secondary hide-if-js', 'submit', false, array( 'id' => 'submit-quick-search-posttype-' . $post_type_name ) ); ?>
 			</p>
 
-			<ul id="<?php echo $post_type_name; ?>-search-checklist" class="list:<?php echo $post_type_name?> categorychecklist form-no-clear">
+			<ul id="<?php echo $post_type_name; ?>-search-checklist" data-wp-lists="list:<?php echo $post_type_name?>" class="categorychecklist form-no-clear">
 			<?php if ( ! empty( $search_results ) && ! is_wp_error( $search_results ) ) : ?>
 				<?php
 				$args['walker'] = $walker;
@@ -718,7 +719,7 @@
 					<?php echo $page_links; ?>
 				</div>
 			<?php endif; ?>
-			<ul id="<?php echo $post_type_name; ?>checklist" class="list:<?php echo $post_type_name?> categorychecklist form-no-clear">
+			<ul id="<?php echo $post_type_name; ?>checklist" data-wp-lists="list:<?php echo $post_type_name?>" class="categorychecklist form-no-clear">
 				<?php
 				$args['walker'] = $walker;
 
@@ -727,13 +728,12 @@
 					$front_page = 'page' == get_option('show_on_front') ? (int) get_option( 'page_on_front' ) : 0;
 					if ( ! empty( $front_page ) ) {
 						$front_page_obj = get_post( $front_page );
-						$front_page_obj->_add_to_top = true;
-						$front_page_obj->label = sprintf( _x('Home: %s', 'nav menu front page title'), $front_page_obj->post_title );
+						$front_page_obj->front_or_home = true;
 						array_unshift( $posts, $front_page_obj );
 					} else {
 						$_nav_menu_placeholder = ( 0 > $_nav_menu_placeholder ) ? intval($_nav_menu_placeholder) - 1 : -1;
 						array_unshift( $posts, (object) array(
-							'_add_to_top' => true,
+							'front_or_home' => true,
 							'ID' => 0,
 							'object_id' => $_nav_menu_placeholder,
 							'post_content' => '',
@@ -779,8 +779,8 @@
 			</span>
 
 			<span class="add-to-menu">
-				<img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
-				<input type="submit"<?php disabled( $nav_menu_selected_id, 0 ); ?> class="button-secondary submit-add-to-menu" value="<?php esc_attr_e('Add to Menu'); ?>" name="add-post-type-menu-item" id="submit-posttype-<?php echo $post_type_name; ?>" />
+				<input type="submit"<?php disabled( $nav_menu_selected_id, 0 ); ?> class="button-secondary submit-add-to-menu right" value="<?php esc_attr_e('Add to Menu'); ?>" name="add-post-type-menu-item" id="submit-posttype-<?php echo $post_type_name; ?>" />
+				<span class="spinner"></span>
 			</span>
 		</p>
 
@@ -896,7 +896,7 @@
 					<?php echo $page_links; ?>
 				</div>
 			<?php endif; ?>
-			<ul id="<?php echo $taxonomy_name; ?>checklist" class="list:<?php echo $taxonomy_name?> categorychecklist form-no-clear">
+			<ul id="<?php echo $taxonomy_name; ?>checklist" data-wp-lists="list:<?php echo $taxonomy_name?>" class="categorychecklist form-no-clear">
 				<?php
 				$args['walker'] = $walker;
 				echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $terms), 0, (object) $args );
@@ -923,11 +923,11 @@
 			?>
 			<p class="quick-search-wrap">
 				<input type="search" class="quick-search input-with-default-title" title="<?php esc_attr_e('Search'); ?>" value="<?php echo $searched; ?>" name="quick-search-taxonomy-<?php echo $taxonomy_name; ?>" />
-				<img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
-				<?php submit_button( __( 'Search' ), 'quick-search-submit button-secondary hide-if-js', 'submit', false, array( 'id' => 'submit-quick-search-taxonomy-' . $taxonomy_name ) ); ?>
+				<span class="spinner"></span>
+				<?php submit_button( __( 'Search' ), 'button-small quick-search-submit button-secondary hide-if-js', 'submit', false, array( 'id' => 'submit-quick-search-taxonomy-' . $taxonomy_name ) ); ?>
 			</p>
 
-			<ul id="<?php echo $taxonomy_name; ?>-search-checklist" class="list:<?php echo $taxonomy_name?> categorychecklist form-no-clear">
+			<ul id="<?php echo $taxonomy_name; ?>-search-checklist" data-wp-lists="list:<?php echo $taxonomy_name?>" class="categorychecklist form-no-clear">
 			<?php if ( ! empty( $search_results ) && ! is_wp_error( $search_results ) ) : ?>
 				<?php
 				$args['walker'] = $walker;
@@ -955,8 +955,8 @@
 			</span>
 
 			<span class="add-to-menu">
-				<img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
-				<input type="submit"<?php disabled( $nav_menu_selected_id, 0 ); ?> class="button-secondary submit-add-to-menu" value="<?php esc_attr_e('Add to Menu'); ?>" name="add-taxonomy-menu-item" id="submit-taxonomy-<?php echo $taxonomy_name; ?>" />
+				<input type="submit"<?php disabled( $nav_menu_selected_id, 0 ); ?> class="button-secondary submit-add-to-menu right" value="<?php esc_attr_e('Add to Menu'); ?>" name="add-taxonomy-menu-item" id="submit-taxonomy-<?php echo $taxonomy_name; ?>" />
+				<span class="spinner"></span>
 			</span>
 		</p>
 
@@ -1150,7 +1150,7 @@
  */
 function _wp_delete_orphaned_draft_menu_items() {
 	global $wpdb;
-	$delete_timestamp = time() - (60*60*24*EMPTY_TRASH_DAYS);
+	$delete_timestamp = time() - ( DAY_IN_SECONDS * EMPTY_TRASH_DAYS );
 
 	// delete orphaned draft menu items
 	$menu_items_to_delete = $wpdb->get_col($wpdb->prepare("SELECT ID FROM $wpdb->posts AS p LEFT JOIN $wpdb->postmeta AS m ON p.ID = m.post_id WHERE post_type = 'nav_menu_item' AND post_status = 'draft' AND meta_key = '_menu_item_orphaned' AND meta_value < '%d'", $delete_timestamp ) );