diff --git a/demos/tabs/manipulation.html b/demos/tabs/manipulation.html
index 75214b41aa..4b79ac714f 100644
--- a/demos/tabs/manipulation.html
+++ b/demos/tabs/manipulation.html
@@ -22,18 +22,12 @@
 	</style>
 	<script>
 	$(function() {
-		var tab_title_input = $( "#tab_title"),
-			tab_content_input = $( "#tab_content" ),
+		var tabTitle = $( "#tab_title" ),
+			tabContent = $( "#tab_content" ),
 			tabTemplate = "<li><a href='#{href}'>#{label}</a> <span class='ui-icon ui-icon-close'>Remove Tab</span></li>",
-			tab_counter = 2;
+			tabCounter = 2;
 
-		// tabs init with a custom tab template and an "add" callback filling in the content
-		var tabs = $( "#tabs").tabs({
-			add: function( event, ui ) {
-				var tab_content = tab_content_input.val() || "Tab " + tab_counter + " content.";
-				$( ui.panel ).append( "<p>" + tab_content + "</p>" );
-			}
-		});
+		var tabs = $( "#tabs" ).tabs();
 
 		// modal dialog init: custom buttons and a "close" callback reseting the form inside
 		var dialog = $( "#dialog" ).dialog({
@@ -48,32 +42,29 @@
 					$( this ).dialog( "close" );
 				}
 			},
-			open: function() {
-				tab_title_input.focus();
-			},
 			close: function() {
 				form[ 0 ].reset();
 			}
 		});
 
 		// addTab form: calls addTab function on submit and closes the dialog
-		var form = $( "form", dialog ).submit(function() {
+		var form = dialog.find( "form" ).submit(function( event ) {
 			addTab();
 			dialog.dialog( "close" );
-			return false;
+			event.preventDefault();
 		});
 
-		// actual addTab function: adds new tab using the title input from the form above
+		// actual addTab function: adds new tab using the input from the form above
 		function addTab() {
-			var label = tab_title_input.val() || "Tab " + tab_counter,
-				id = "tabs-" + tab_counter,
+			var label = tabTitle.val() || "Tab " + tabCounter,
+				id = "tabs-" + tabCounter,
 				li = $( tabTemplate.replace( /#\{href\}/g, "#" + id ).replace( /#\{label\}/g, label ) ),
-				tab_content = tab_content_input.val() || "Tab " + tab_counter + " content.";
+				tabContentHtml = tabContent.val() || "Tab " + tabCounter + " content.";
 
-			tabs.find('ul').append( li );
-			tabs.append( "<div id='" + id + "'><p>" + tab_content + "</p></div>" );
+			tabs.find( ".ui-tabs-nav" ).append( li );
+			tabs.append( "<div id='" + id + "'><p>" + tabContentHtml + "</p></div>" );
 			tabs.tabs( "refresh" );
-			tab_counter++;
+			tabCounter++;
 		}
 
 		// addTab button: just opens the dialog
@@ -84,7 +75,6 @@
 			});
 
 		// close icon: removing the tab on click
-		// note: closable tabs gonna be an option in the future - see http://dev.jqueryui.com/ticket/3924
 		$( "#tabs span.ui-icon-close" ).live( "click", function() {
 			$( this ).closest( "li" ).remove();
 			$( "#" + $( this ).prev().attr( "aria-controls" ) ).remove();