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diff --git a/dgbuilder/public/red/ui/tabs.js b/dgbuilder/public/red/ui/tabs.js
new file mode 100644
index 00000000..aa207583
--- /dev/null
+++ b/dgbuilder/public/red/ui/tabs.js
@@ -0,0 +1,127 @@
+/**
+ * Copyright 2013 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+ 
+
+
+RED.tabs = (function() {
+    
+    
+    function createTabs(options) {
+        var tabs = {};
+        
+        var ul = $("#"+options.id)
+        ul.addClass("red-ui-tabs");
+        ul.children().first().addClass("active");
+        ul.children().addClass("red-ui-tab");
+        
+        function onTabClick() {
+            activateTab($(this));
+            return false;
+        }
+        
+        function onTabDblClick() {
+            if (options.ondblclick) {
+                options.ondblclick(tabs[$(this).attr('href').slice(1)]);
+            }
+            return false;
+        }
+        
+        function activateTab(link) {
+            if (typeof link === "string") {
+                link = ul.find("a[href='#"+link+"']");
+            }
+            if (!link.parent().hasClass("active")) {
+                ul.children().removeClass("active");
+                link.parent().addClass("active");
+                if (options.onchange) {
+                    options.onchange(tabs[link.attr('href').slice(1)]);
+                }
+            }
+        }
+        
+        function updateTabWidths() {
+            var tabs = ul.find("li.red-ui-tab");
+            var width = ul.width();
+            var tabCount = tabs.size();
+            var tabWidth = (width-6-(tabCount*7))/tabCount;
+            var pct = 100*tabWidth/width;
+            tabs.css({width:pct+"%"});
+        }
+        
+        ul.find("li.red-ui-tab a").on("click",onTabClick).on("dblclick",onTabDblClick);
+        updateTabWidths();
+        
+        
+        function removeTab(id) {
+            var li = ul.find("a[href='#"+id+"']").parent();
+            if (li.hasClass("active")) {
+                var tab = li.prev();
+                if (tab.size() === 0) {
+                    tab = li.next();
+                }
+                activateTab(tab.find("a"));
+            }
+            li.remove();
+            if (options.onremove) {
+                options.onremove(tabs[id]);
+            }
+            delete tabs[id];
+            updateTabWidths();
+        }
+        
+        return {
+            addTab: function(tab) {
+                tabs[tab.id] = tab;
+                var li = $("<li/>",{class:"red-ui-tab"}).appendTo(ul);
+                var link = $("<a/>",{href:"#"+tab.id, class:"red-ui-tab-label"}).appendTo(li);
+                link.html(tab.label);
+                
+                link.on("click",onTabClick);
+                link.on("dblclick",onTabDblClick);
+                if (tab.closeable) {
+                    var closeLink = $("<a/>",{href:"#",class:"red-ui-tab-close"}).appendTo(li);
+                    closeLink.html('<i class="fa fa-times" />');
+                    
+                    closeLink.on("click",function(event) {
+                        removeTab(tab.id);
+                    });
+                }
+                updateTabWidths();
+                if (options.onadd) {
+                    options.onadd(tab);
+                }
+                link.attr("title",tab.label);
+                if (ul.find("li.red-ui-tab").size() == 1) {
+                    activateTab(link);
+                }
+            },
+            removeTab: removeTab,
+            activateTab: activateTab,
+            resize: updateTabWidths,
+            count: function() {
+                return ul.find("li.red-ui-tab").size();
+            },
+            contains: function(id) {
+                return ul.find("a[href='#"+id+"']").length > 0;
+            }
+
+        }
+    }
+    
+    return {
+        create: createTabs
+    }
+})();