diff -r 2f6f6f7551ca -r 32102edaa81b web/wp-admin/js/nav-menu.dev.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/wp-admin/js/nav-menu.dev.js	Mon Nov 19 18:26:13 2012 +0100
@@ -0,0 +1,965 @@
+/**
+ * WordPress Administration Navigation Menu
+ * Interface JS functions
+ *
+ * @version 2.0.0
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+var wpNavMenu;
+
+(function($) {
+
+	var api = wpNavMenu = {
+
+		options : {
+			menuItemDepthPerLevel : 30, // Do not use directly. Use depthToPx and pxToDepth instead.
+			globalMaxDepth : 11
+		},
+
+		menuList : undefined,	// Set in init.
+		targetList : undefined, // Set in init.
+		menusChanged : false,
+		isRTL: !! ( 'undefined' != typeof isRtl && isRtl ),
+		negateIfRTL: ( 'undefined' != typeof isRtl && isRtl ) ? -1 : 1,
+
+		// Functions that run on init.
+		init : function() {
+			api.menuList = $('#menu-to-edit');
+			api.targetList = api.menuList;
+
+			this.jQueryExtensions();
+
+			this.attachMenuEditListeners();
+
+			this.setupInputWithDefaultTitle();
+			this.attachQuickSearchListeners();
+			this.attachThemeLocationsListeners();
+
+			this.attachTabsPanelListeners();
+
+			this.attachUnsavedChangesListener();
+
+			if( api.menuList.length ) // If no menu, we're in the + tab.
+				this.initSortables();
+
+			this.initToggles();
+
+			this.initTabManager();
+		},
+
+		jQueryExtensions : function() {
+			// jQuery extensions
+			$.fn.extend({
+				menuItemDepth : function() {
+					var margin = api.isRTL ? this.eq(0).css('margin-right') : this.eq(0).css('margin-left');
+					return api.pxToDepth( margin && -1 != margin.indexOf('px') ? margin.slice(0, -2) : 0 );
+				},
+				updateDepthClass : function(current, prev) {
+					return this.each(function(){
+						var t = $(this);
+						prev = prev || t.menuItemDepth();
+						$(this).removeClass('menu-item-depth-'+ prev )
+							.addClass('menu-item-depth-'+ current );
+					});
+				},
+				shiftDepthClass : function(change) {
+					return this.each(function(){
+						var t = $(this),
+							depth = t.menuItemDepth();
+						$(this).removeClass('menu-item-depth-'+ depth )
+							.addClass('menu-item-depth-'+ (depth + change) );
+					});
+				},
+				childMenuItems : function() {
+					var result = $();
+					this.each(function(){
+						var t = $(this), depth = t.menuItemDepth(), next = t.next();
+						while( next.length && next.menuItemDepth() > depth ) {
+							result = result.add( next );
+							next = next.next();
+						}
+					});
+					return result;
+				},
+				updateParentMenuItemDBId : function() {
+					return this.each(function(){
+						var item = $(this),
+							input = item.find('.menu-item-data-parent-id'),
+							depth = item.menuItemDepth(),
+							parent = item.prev();
+
+						if( depth == 0 ) { // Item is on the top level, has no parent
+							input.val(0);
+						} else { // Find the parent item, and retrieve its object id.
+							while( ! parent[0] || ! parent[0].className || -1 == parent[0].className.indexOf('menu-item') || ( parent.menuItemDepth() != depth - 1 ) )
+								parent = parent.prev();
+							input.val( parent.find('.menu-item-data-db-id').val() );
+						}
+					});
+				},
+				hideAdvancedMenuItemFields : function() {
+					return this.each(function(){
+						var that = $(this);
+						$('.hide-column-tog').not(':checked').each(function(){
+							that.find('.field-' + $(this).val() ).addClass('hidden-field');
+						});
+					});
+				},
+				/**
+				 * Adds selected menu items to the menu.
+				 *
+				 * @param jQuery metabox The metabox jQuery object.
+				 */
+				addSelectedToMenu : function(processMethod) {
+					if ( 0 == $('#menu-to-edit').length ) {
+						return false;
+					}
+
+					return this.each(function() {
+						var t = $(this), menuItems = {},
+							checkboxes = t.find('.tabs-panel-active .categorychecklist li input:checked'),
+							re = new RegExp('menu-item\\[(\[^\\]\]*)');
+
+						processMethod = processMethod || api.addMenuItemToBottom;
+
+						// If no items are checked, bail.
+						if ( !checkboxes.length )
+							return false;
+
+						// Show the ajax spinner
+						t.find('img.waiting').show();
+
+						// Retrieve menu item data
+						$(checkboxes).each(function(){
+							var t = $(this),
+								listItemDBIDMatch = re.exec( t.attr('name') ),
+								listItemDBID = 'undefined' == typeof listItemDBIDMatch[1] ? 0 : parseInt(listItemDBIDMatch[1], 10);
+							if ( this.className && -1 != this.className.indexOf('add-to-top') )
+								processMethod = api.addMenuItemToTop;
+							menuItems[listItemDBID] = t.closest('li').getItemData( 'add-menu-item', listItemDBID );
+						});
+
+						// Add the items
+						api.addItemToMenu(menuItems, processMethod, function(){
+							// Deselect the items and hide the ajax spinner
+							checkboxes.removeAttr('checked');
+							t.find('img.waiting').hide();
+						});
+					});
+				},
+				getItemData : function( itemType, id ) {
+					itemType = itemType || 'menu-item';
+
+					var itemData = {}, i,
+					fields = [
+						'menu-item-db-id',
+						'menu-item-object-id',
+						'menu-item-object',
+						'menu-item-parent-id',
+						'menu-item-position',
+						'menu-item-type',
+						'menu-item-title',
+						'menu-item-url',
+						'menu-item-description',
+						'menu-item-attr-title',
+						'menu-item-target',
+						'menu-item-classes',
+						'menu-item-xfn'
+					];
+
+					if( !id && itemType == 'menu-item' ) {
+						id = this.find('.menu-item-data-db-id').val();
+					}
+
+					if( !id ) return itemData;
+
+					this.find('input').each(function() {
+						var field;
+						i = fields.length;
+						while ( i-- ) {
+							if( itemType == 'menu-item' )
+								field = fields[i] + '[' + id + ']';
+							else if( itemType == 'add-menu-item' )
+								field = 'menu-item[' + id + '][' + fields[i] + ']';
+
+							if (
+								this.name &&
+								field == this.name
+							) {
+								itemData[fields[i]] = this.value;
+							}
+						}
+					});
+
+					return itemData;
+				},
+				setItemData : function( itemData, itemType, id ) { // Can take a type, such as 'menu-item', or an id.
+					itemType = itemType || 'menu-item';
+
+					if( !id && itemType == 'menu-item' ) {
+						id = $('.menu-item-data-db-id', this).val();
+					}
+
+					if( !id ) return this;
+
+					this.find('input').each(function() {
+						var t = $(this), field;
+						$.each( itemData, function( attr, val ) {
+							if( itemType == 'menu-item' )
+								field = attr + '[' + id + ']';
+							else if( itemType == 'add-menu-item' )
+								field = 'menu-item[' + id + '][' + attr + ']';
+
+							if ( field == t.attr('name') ) {
+								t.val( val );
+							}
+						});
+					});
+					return this;
+				}
+			});
+		},
+
+		initToggles : function() {
+			// init postboxes
+			postboxes.add_postbox_toggles('nav-menus');
+
+			// adjust columns functions for menus UI
+			columns.useCheckboxesForHidden();
+			columns.checked = function(field) {
+				$('.field-' + field).removeClass('hidden-field');
+			}
+			columns.unchecked = function(field) {
+				$('.field-' + field).addClass('hidden-field');
+			}
+			// hide fields
+			api.menuList.hideAdvancedMenuItemFields();
+		},
+
+		initSortables : function() {
+			var currentDepth = 0, originalDepth, minDepth, maxDepth,
+				prev, next, prevBottom, nextThreshold, helperHeight, transport,
+				menuEdge = api.menuList.offset().left,
+				body = $('body'), maxChildDepth,
+				menuMaxDepth = initialMenuMaxDepth();
+
+			// Use the right edge if RTL.
+			menuEdge += api.isRTL ? api.menuList.width() : 0;
+
+			api.menuList.sortable({
+				handle: '.menu-item-handle',
+				placeholder: 'sortable-placeholder',
+				start: function(e, ui) {
+					var height, width, parent, children, tempHolder;
+
+					// handle placement for rtl orientation
+					if ( api.isRTL )
+						ui.item[0].style.right = 'auto';
+
+					transport = ui.item.children('.menu-item-transport');
+
+					// Set depths. currentDepth must be set before children are located.
+					originalDepth = ui.item.menuItemDepth();
+					updateCurrentDepth(ui, originalDepth);
+
+					// Attach child elements to parent
+					// Skip the placeholder
+					parent = ( ui.item.next()[0] == ui.placeholder[0] ) ? ui.item.next() : ui.item;
+					children = parent.childMenuItems();
+					transport.append( children );
+
+					// Update the height of the placeholder to match the moving item.
+					height = transport.outerHeight();
+					// If there are children, account for distance between top of children and parent
+					height += ( height > 0 ) ? (ui.placeholder.css('margin-top').slice(0, -2) * 1) : 0;
+					height += ui.helper.outerHeight();
+					helperHeight = height;
+					height -= 2; // Subtract 2 for borders
+					ui.placeholder.height(height);
+
+					// Update the width of the placeholder to match the moving item.
+					maxChildDepth = originalDepth;
+					children.each(function(){
+						var depth = $(this).menuItemDepth();
+						maxChildDepth = (depth > maxChildDepth) ? depth : maxChildDepth;
+					});
+					width = ui.helper.find('.menu-item-handle').outerWidth(); // Get original width
+					width += api.depthToPx(maxChildDepth - originalDepth); // Account for children
+					width -= 2; // Subtract 2 for borders
+					ui.placeholder.width(width);
+
+					// Update the list of menu items.
+					tempHolder = ui.placeholder.next();
+					tempHolder.css( 'margin-top', helperHeight + 'px' ); // Set the margin to absorb the placeholder
+					ui.placeholder.detach(); // detach or jQuery UI will think the placeholder is a menu item
+					$(this).sortable( "refresh" ); // The children aren't sortable. We should let jQ UI know.
+					ui.item.after( ui.placeholder ); // reattach the placeholder.
+					tempHolder.css('margin-top', 0); // reset the margin
+
+					// Now that the element is complete, we can update...
+					updateSharedVars(ui);
+				},
+				stop: function(e, ui) {
+					var children, depthChange = currentDepth - originalDepth;
+
+					// Return child elements to the list
+					children = transport.children().insertAfter(ui.item);
+
+					// Update depth classes
+					if( depthChange != 0 ) {
+						ui.item.updateDepthClass( currentDepth );
+						children.shiftDepthClass( depthChange );
+						updateMenuMaxDepth( depthChange );
+					}
+					// Register a change
+					api.registerChange();
+					// Update the item data.
+					ui.item.updateParentMenuItemDBId();
+
+					// address sortable's incorrectly-calculated top in opera
+					ui.item[0].style.top = 0;
+
+					// handle drop placement for rtl orientation
+					if ( api.isRTL ) {
+						ui.item[0].style.left = 'auto';
+						ui.item[0].style.right = 0;
+					}
+
+					// The width of the tab bar might have changed. Just in case.
+					api.refreshMenuTabs( true );
+				},
+				change: function(e, ui) {
+					// Make sure the placeholder is inside the menu.
+					// Otherwise fix it, or we're in trouble.
+					if( ! ui.placeholder.parent().hasClass('menu') )
+						(prev.length) ? prev.after( ui.placeholder ) : api.menuList.prepend( ui.placeholder );
+
+					updateSharedVars(ui);
+				},
+				sort: function(e, ui) {
+					var offset = ui.helper.offset(),
+						edge = api.isRTL ? offset.left + ui.helper.width() : offset.left,
+						depth = api.negateIfRTL * api.pxToDepth( edge - menuEdge );
+					// Check and correct if depth is not within range.
+					// Also, if the dragged element is dragged upwards over
+					// an item, shift the placeholder to a child position.
+					if ( depth > maxDepth || offset.top < prevBottom ) depth = maxDepth;
+					else if ( depth < minDepth ) depth = minDepth;
+
+					if( depth != currentDepth )
+						updateCurrentDepth(ui, depth);
+
+					// If we overlap the next element, manually shift downwards
+					if( nextThreshold && offset.top + helperHeight > nextThreshold ) {
+						next.after( ui.placeholder );
+						updateSharedVars( ui );
+						$(this).sortable( "refreshPositions" );
+					}
+				}
+			});
+
+			function updateSharedVars(ui) {
+				var depth;
+
+				prev = ui.placeholder.prev();
+				next = ui.placeholder.next();
+
+				// Make sure we don't select the moving item.
+				if( prev[0] == ui.item[0] ) prev = prev.prev();
+				if( next[0] == ui.item[0] ) next = next.next();
+
+				prevBottom = (prev.length) ? prev.offset().top + prev.height() : 0;
+				nextThreshold = (next.length) ? next.offset().top + next.height() / 3 : 0;
+				minDepth = (next.length) ? next.menuItemDepth() : 0;
+
+				if( prev.length )
+					maxDepth = ( (depth = prev.menuItemDepth() + 1) > api.options.globalMaxDepth ) ? api.options.globalMaxDepth : depth;
+				else
+					maxDepth = 0;
+			}
+
+			function updateCurrentDepth(ui, depth) {
+				ui.placeholder.updateDepthClass( depth, currentDepth );
+				currentDepth = depth;
+			}
+
+			function initialMenuMaxDepth() {
+				if( ! body[0].className ) return 0;
+				var match = body[0].className.match(/menu-max-depth-(\d+)/);
+				return match && match[1] ? parseInt(match[1]) : 0;
+			}
+
+			function updateMenuMaxDepth( depthChange ) {
+				var depth, newDepth = menuMaxDepth;
+				if ( depthChange === 0 ) {
+					return;
+				} else if ( depthChange > 0 ) {
+					depth = maxChildDepth + depthChange;
+					if( depth > menuMaxDepth )
+						newDepth = depth;
+				} else if ( depthChange < 0 && maxChildDepth == menuMaxDepth ) {
+					while( ! $('.menu-item-depth-' + newDepth, api.menuList).length && newDepth > 0 )
+						newDepth--;
+				}
+				// Update the depth class.
+				body.removeClass( 'menu-max-depth-' + menuMaxDepth ).addClass( 'menu-max-depth-' + newDepth );
+				menuMaxDepth = newDepth;
+			}
+		},
+
+		attachMenuEditListeners : function() {
+			var that = this;
+			$('#update-nav-menu').bind('click', function(e) {
+				if ( e.target && e.target.className ) {
+					if ( -1 != e.target.className.indexOf('item-edit') ) {
+						return that.eventOnClickEditLink(e.target);
+					} else if ( -1 != e.target.className.indexOf('menu-save') ) {
+						return that.eventOnClickMenuSave(e.target);
+					} else if ( -1 != e.target.className.indexOf('menu-delete') ) {
+						return that.eventOnClickMenuDelete(e.target);
+					} else if ( -1 != e.target.className.indexOf('item-delete') ) {
+						return that.eventOnClickMenuItemDelete(e.target);
+					} else if ( -1 != e.target.className.indexOf('item-cancel') ) {
+						return that.eventOnClickCancelLink(e.target);
+					}
+				}
+			});
+			$('#add-custom-links input[type="text"]').keypress(function(e){
+				if ( e.keyCode === 13 ) {
+					e.preventDefault();
+					$("#submit-customlinkdiv").click();
+				}
+			});
+		},
+
+		/**
+		 * An interface for managing default values for input elements
+		 * that is both JS and accessibility-friendly.
+		 *
+		 * Input elements that add the class 'input-with-default-title'
+		 * will have their values set to the provided HTML title when empty.
+		 */
+		setupInputWithDefaultTitle : function() {
+			var name = 'input-with-default-title';
+
+			$('.' + name).each( function(){
+				var $t = $(this), title = $t.attr('title'), val = $t.val();
+				$t.data( name, title );
+
+				if( '' == val ) $t.val( title );
+				else if ( title == val ) return;
+				else $t.removeClass( name );
+			}).focus( function(){
+				var $t = $(this);
+				if( $t.val() == $t.data(name) )
+					$t.val('').removeClass( name );
+			}).blur( function(){
+				var $t = $(this);
+				if( '' == $t.val() )
+					$t.addClass( name ).val( $t.data(name) );
+			});
+		},
+
+		attachThemeLocationsListeners : function() {
+			var loc = $('#nav-menu-theme-locations'), params = {};
+			params['action'] = 'menu-locations-save';
+			params['menu-settings-column-nonce'] = $('#menu-settings-column-nonce').val();
+			loc.find('input[type="submit"]').click(function() {
+				loc.find('select').each(function() {
+					params[this.name] = $(this).val();
+				});
+				loc.find('.waiting').show();
+				$.post( ajaxurl, params, function(r) {
+					loc.find('.waiting').hide();
+				});
+				return false;
+			});
+		},
+
+		attachQuickSearchListeners : function() {
+			var searchTimer;
+
+			$('.quick-search').keypress(function(e){
+				var t = $(this);
+
+				if( 13 == e.which ) {
+					api.updateQuickSearchResults( t );
+					return false;
+				}
+
+				if( searchTimer ) clearTimeout(searchTimer);
+
+				searchTimer = setTimeout(function(){
+					api.updateQuickSearchResults( t );
+				}, 400);
+			}).attr('autocomplete','off');
+		},
+
+		updateQuickSearchResults : function(input) {
+			var panel, params,
+			minSearchLength = 2,
+			q = input.val();
+
+			if( q.length < minSearchLength ) return;
+
+			panel = input.parents('.tabs-panel');
+			params = {
+				'action': 'menu-quick-search',
+				'response-format': 'markup',
+				'menu': $('#menu').val(),
+				'menu-settings-column-nonce': $('#menu-settings-column-nonce').val(),
+				'q': q,
+				'type': input.attr('name')
+			};
+
+			$('img.waiting', panel).show();
+
+			$.post( ajaxurl, params, function(menuMarkup) {
+				api.processQuickSearchQueryResponse(menuMarkup, params, panel);
+			});
+		},
+
+		addCustomLink : function( processMethod ) {
+			var url = $('#custom-menu-item-url').val(),
+				label = $('#custom-menu-item-name').val();
+
+			processMethod = processMethod || api.addMenuItemToBottom;
+
+			if ( '' == url || 'http://' == url )
+				return false;
+
+			// Show the ajax spinner
+			$('.customlinkdiv img.waiting').show();
+			this.addLinkToMenu( url, label, processMethod, function() {
+				// Remove the ajax spinner
+				$('.customlinkdiv img.waiting').hide();
+				// Set custom link form back to defaults
+				$('#custom-menu-item-name').val('').blur();
+				$('#custom-menu-item-url').val('http://');
+			});
+		},
+
+		addLinkToMenu : function(url, label, processMethod, callback) {
+			processMethod = processMethod || api.addMenuItemToBottom;
+			callback = callback || function(){};
+
+			api.addItemToMenu({
+				'-1': {
+					'menu-item-type': 'custom',
+					'menu-item-url': url,
+					'menu-item-title': label
+				}
+			}, processMethod, callback);
+		},
+
+		addItemToMenu : function(menuItem, processMethod, callback) {
+			var menu = $('#menu').val(),
+				nonce = $('#menu-settings-column-nonce').val();
+
+			processMethod = processMethod || function(){};
+			callback = callback || function(){};
+
+			params = {
+				'action': 'add-menu-item',
+				'menu': menu,
+				'menu-settings-column-nonce': nonce,
+				'menu-item': menuItem
+			};
+
+			$.post( ajaxurl, params, function(menuMarkup) {
+				var ins = $('#menu-instructions');
+				processMethod(menuMarkup, params);
+				if( ! ins.hasClass('menu-instructions-inactive') && ins.siblings().length )
+					ins.addClass('menu-instructions-inactive');
+				callback();
+			});
+		},
+
+		/**
+		 * Process the add menu item request response into menu list item.
+		 *
+		 * @param string menuMarkup The text server response of menu item markup.
+		 * @param object req The request arguments.
+		 */
+		addMenuItemToBottom : function( menuMarkup, req ) {
+			$(menuMarkup).hideAdvancedMenuItemFields().appendTo( api.targetList );
+		},
+
+		addMenuItemToTop : function( menuMarkup, req ) {
+			$(menuMarkup).hideAdvancedMenuItemFields().prependTo( api.targetList );
+		},
+
+		attachUnsavedChangesListener : function() {
+			$('#menu-management input, #menu-management select, #menu-management, #menu-management textarea').change(function(){
+				api.registerChange();
+			});
+
+			if ( 0 != $('#menu-to-edit').length ) {
+				window.onbeforeunload = function(){
+					if ( api.menusChanged )
+						return navMenuL10n.saveAlert;
+				};
+			} else {
+				// Make the post boxes read-only, as they can't be used yet
+				$('#menu-settings-column').find('input,select').prop('disabled', true).end().find('a').attr('href', '#').unbind('click');
+			}
+		},
+
+		registerChange : function() {
+			api.menusChanged = true;
+		},
+
+		attachTabsPanelListeners : function() {
+			$('#menu-settings-column').bind('click', function(e) {
+				var selectAreaMatch, panelId, wrapper, items,
+					target = $(e.target);
+
+				if ( target.hasClass('nav-tab-link') ) {
+					panelId = /#(.*)$/.exec(e.target.href);
+					if ( panelId && panelId[1] )
+						panelId = panelId[1]
+					else
+						return false;
+
+					wrapper = target.parents('.inside').first();
+
+					// upon changing tabs, we want to uncheck all checkboxes
+					$('input', wrapper).removeAttr('checked');
+
+					$('.tabs-panel-active', wrapper).removeClass('tabs-panel-active').addClass('tabs-panel-inactive');
+					$('#' + panelId, wrapper).removeClass('tabs-panel-inactive').addClass('tabs-panel-active');
+
+					$('.tabs', wrapper).removeClass('tabs');
+					target.parent().addClass('tabs');
+
+					// select the search bar
+					$('.quick-search', wrapper).focus();
+
+					return false;
+				} else if ( target.hasClass('select-all') ) {
+					selectAreaMatch = /#(.*)$/.exec(e.target.href);
+					if ( selectAreaMatch && selectAreaMatch[1] ) {
+						items = $('#' + selectAreaMatch[1] + ' .tabs-panel-active .menu-item-title input');
+						if( items.length === items.filter(':checked').length )
+							items.removeAttr('checked');
+						else
+							items.prop('checked', true);
+						return false;
+					}
+				} else if ( target.hasClass('submit-add-to-menu') ) {
+					api.registerChange();
+
+					if ( e.target.id && 'submit-customlinkdiv' == e.target.id )
+						api.addCustomLink( api.addMenuItemToBottom );
+					else if ( e.target.id && -1 != e.target.id.indexOf('submit-') )
+						$('#' + e.target.id.replace(/submit-/, '')).addSelectedToMenu( api.addMenuItemToBottom );
+					return false;
+				} else if ( target.hasClass('page-numbers') ) {
+					$.post( ajaxurl, e.target.href.replace(/.*\?/, '').replace(/action=([^&]*)/, '') + '&action=menu-get-metabox',
+						function( resp ) {
+							if ( -1 == resp.indexOf('replace-id') )
+								return;
+
+							var metaBoxData = $.parseJSON(resp),
+							toReplace = document.getElementById(metaBoxData['replace-id']),
+							placeholder = document.createElement('div'),
+							wrap = document.createElement('div');
+
+							if ( ! metaBoxData['markup'] || ! toReplace )
+								return;
+
+							wrap.innerHTML = metaBoxData['markup'] ? metaBoxData['markup'] : '';
+
+							toReplace.parentNode.insertBefore( placeholder, toReplace );
+							placeholder.parentNode.removeChild( toReplace );
+
+							placeholder.parentNode.insertBefore( wrap, placeholder );
+
+							placeholder.parentNode.removeChild( placeholder );
+
+						}
+					);
+
+					return false;
+				}
+			});
+		},
+
+		initTabManager : function() {
+			var fixed = $('.nav-tabs-wrapper'),
+				fluid = fixed.children('.nav-tabs'),
+				active = fluid.children('.nav-tab-active'),
+				tabs = fluid.children('.nav-tab'),
+				tabsWidth = 0,
+				fixedRight, fixedLeft,
+				arrowLeft, arrowRight, resizeTimer, css = {},
+				marginFluid = api.isRTL ? 'margin-right' : 'margin-left',
+				marginFixed = api.isRTL ? 'margin-left' : 'margin-right',
+				msPerPx = 2;
+
+			/**
+			 * Refreshes the menu tabs.
+			 * Will show and hide arrows where necessary.
+			 * Scrolls to the active tab by default.
+			 *
+			 * @param savePosition {boolean} Optional. Prevents scrolling so
+			 * 		  that the current position is maintained. Default false.
+			 **/
+			api.refreshMenuTabs = function( savePosition ) {
+				var fixedWidth = fixed.width(),
+					margin = 0, css = {};
+				fixedLeft = fixed.offset().left;
+				fixedRight = fixedLeft + fixedWidth;
+
+				if( !savePosition )
+					active.makeTabVisible();
+
+				// Prevent space from building up next to the last tab if there's more to show
+				if( tabs.last().isTabVisible() ) {
+					margin = fixed.width() - tabsWidth;
+					margin = margin > 0 ? 0 : margin;
+					css[marginFluid] = margin + 'px';
+					fluid.animate( css, 100, "linear" );
+				}
+
+				// Show the arrows only when necessary
+				if( fixedWidth > tabsWidth )
+					arrowLeft.add( arrowRight ).hide();
+				else
+					arrowLeft.add( arrowRight ).show();
+			}
+
+			$.fn.extend({
+				makeTabVisible : function() {
+					var t = this.eq(0), left, right, css = {}, shift = 0;
+
+					if( ! t.length ) return this;
+
+					left = t.offset().left;
+					right = left + t.outerWidth();
+
+					if( right > fixedRight )
+						shift = fixedRight - right;
+					else if ( left < fixedLeft )
+						shift = fixedLeft - left;
+
+					if( ! shift ) return this;
+
+					css[marginFluid] = "+=" + api.negateIfRTL * shift + 'px';
+					fluid.animate( css, Math.abs( shift ) * msPerPx, "linear" );
+					return this;
+				},
+				isTabVisible : function() {
+					var t = this.eq(0),
+						left = t.offset().left,
+						right = left + t.outerWidth();
+					return ( right <= fixedRight && left >= fixedLeft ) ? true : false;
+				}
+			});
+
+			// Find the width of all tabs
+			tabs.each(function(){
+				tabsWidth += $(this).outerWidth(true);
+			});
+
+			// Set up fixed margin for overflow, unset padding
+			css['padding'] = 0;
+			css[marginFixed] = (-1 * tabsWidth) + 'px';
+			fluid.css( css );
+
+			// Build tab navigation
+			arrowLeft = $('<div class="nav-tabs-arrow nav-tabs-arrow-left"><a>&laquo;</a></div>');
+			arrowRight = $('<div class="nav-tabs-arrow nav-tabs-arrow-right"><a>&raquo;</a></div>');
+			// Attach to the document
+			fixed.wrap('<div class="nav-tabs-nav"/>').parent().prepend( arrowLeft ).append( arrowRight );
+
+			// Set the menu tabs
+			api.refreshMenuTabs();
+			// Make sure the tabs reset on resize
+			$(window).resize(function() {
+				if( resizeTimer ) clearTimeout(resizeTimer);
+				resizeTimer = setTimeout( api.refreshMenuTabs, 200);
+			});
+
+			// Build arrow functions
+			$.each([{
+					arrow : arrowLeft,
+					next : "next",
+					last : "first",
+					operator : "+="
+				},{
+					arrow : arrowRight,
+					next : "prev",
+					last : "last",
+					operator : "-="
+				}], function(){
+				var that = this;
+				this.arrow.mousedown(function(){
+					var marginFluidVal = Math.abs( parseInt( fluid.css(marginFluid) ) ),
+						shift = marginFluidVal,
+						css = {};
+
+					if( "-=" == that.operator )
+						shift = Math.abs( tabsWidth - fixed.width() ) - marginFluidVal;
+
+					if( ! shift ) return;
+
+					css[marginFluid] = that.operator + shift + 'px';
+					fluid.animate( css, shift * msPerPx, "linear" );
+				}).mouseup(function(){
+					var tab, next;
+					fluid.stop(true);
+					tab = tabs[that.last]();
+					while( (next = tab[that.next]()) && next.length && ! next.isTabVisible() ) {
+						tab = next;
+					}
+					tab.makeTabVisible();
+				});
+			});
+		},
+
+		eventOnClickEditLink : function(clickedEl) {
+			var settings, item,
+			matchedSection = /#(.*)$/.exec(clickedEl.href);
+			if ( matchedSection && matchedSection[1] ) {
+				settings = $('#'+matchedSection[1]);
+				item = settings.parent();
+				if( 0 != item.length ) {
+					if( item.hasClass('menu-item-edit-inactive') ) {
+						if( ! settings.data('menu-item-data') ) {
+							settings.data( 'menu-item-data', settings.getItemData() );
+						}
+						settings.slideDown('fast');
+						item.removeClass('menu-item-edit-inactive')
+							.addClass('menu-item-edit-active');
+					} else {
+						settings.slideUp('fast');
+						item.removeClass('menu-item-edit-active')
+							.addClass('menu-item-edit-inactive');
+					}
+					return false;
+				}
+			}
+		},
+
+		eventOnClickCancelLink : function(clickedEl) {
+			var settings = $(clickedEl).closest('.menu-item-settings');
+			settings.setItemData( settings.data('menu-item-data') );
+			return false;
+		},
+
+		eventOnClickMenuSave : function(clickedEl) {
+			var locs = '',
+			menuName = $('#menu-name'),
+			menuNameVal = menuName.val();
+			// Cancel and warn if invalid menu name
+			if( !menuNameVal || menuNameVal == menuName.attr('title') || !menuNameVal.replace(/\s+/, '') ) {
+				menuName.parent().addClass('form-invalid');
+				return false;
+			}
+			// Copy menu theme locations
+			$('#nav-menu-theme-locations select').each(function() {
+				locs += '<input type="hidden" name="' + this.name + '" value="' + $(this).val() + '" />';
+			});
+			$('#update-nav-menu').append( locs );
+			// Update menu item position data
+			api.menuList.find('.menu-item-data-position').val( function(index) { return index + 1; } );
+			window.onbeforeunload = null;
+
+			return true;
+		},
+
+		eventOnClickMenuDelete : function(clickedEl) {
+			// Delete warning AYS
+			if ( confirm( navMenuL10n.warnDeleteMenu ) ) {
+				window.onbeforeunload = null;
+				return true;
+			}
+			return false;
+		},
+
+		eventOnClickMenuItemDelete : function(clickedEl) {
+			var itemID = parseInt(clickedEl.id.replace('delete-', ''), 10);
+			api.removeMenuItem( $('#menu-item-' + itemID) );
+			api.registerChange();
+			return false;
+		},
+
+		/**
+		 * Process the quick search response into a search result
+		 *
+		 * @param string resp The server response to the query.
+		 * @param object req The request arguments.
+		 * @param jQuery panel The tabs panel we're searching in.
+		 */
+		processQuickSearchQueryResponse : function(resp, req, panel) {
+			var matched, newID,
+			takenIDs = {},
+			form = document.getElementById('nav-menu-meta'),
+			pattern = new RegExp('menu-item\\[(\[^\\]\]*)', 'g'),
+			$items = $('<div>').html(resp).find('li'),
+			$item;
+
+			if( ! $items.length ) {
+				$('.categorychecklist', panel).html( '<li><p>' + navMenuL10n.noResultsFound + '</p></li>' );
+				$('img.waiting', panel).hide();
+				return;
+			}
+
+			$items.each(function(){
+				$item = $(this);
+
+				// make a unique DB ID number
+				matched = pattern.exec($item.html());
+
+				if ( matched && matched[1] ) {
+					newID = matched[1];
+					while( form.elements['menu-item[' + newID + '][menu-item-type]'] || takenIDs[ newID ] ) {
+						newID--;
+					}
+
+					takenIDs[newID] = true;
+					if ( newID != matched[1] ) {
+						$item.html( $item.html().replace(new RegExp(
+							'menu-item\\[' + matched[1] + '\\]', 'g'),
+							'menu-item[' + newID + ']'
+						) );
+					}
+				}
+			});
+
+			$('.categorychecklist', panel).html( $items );
+			$('img.waiting', panel).hide();
+		},
+
+		removeMenuItem : function(el) {
+			var children = el.childMenuItems();
+
+			el.addClass('deleting').animate({
+					opacity : 0,
+					height: 0
+				}, 350, function() {
+					var ins = $('#menu-instructions');
+					el.remove();
+					children.shiftDepthClass(-1).updateParentMenuItemDBId();
+					if( ! ins.siblings().length )
+						ins.removeClass('menu-instructions-inactive');
+				});
+		},
+
+		depthToPx : function(depth) {
+			return depth * api.options.menuItemDepthPerLevel;
+		},
+
+		pxToDepth : function(px) {
+			return Math.floor(px / api.options.menuItemDepthPerLevel);
+		}
+
+	};
+
+	$(document).ready(function(){ wpNavMenu.init(); });
+
+})(jQuery);