Simplified Cell menu items related to output.

IPython/html/static/notebook/js/keyboardmanager.js

@@ -451,7 +451,7 b' var IPython = (function (IPython) {'
             }
         },
         'shift+o' : {
-            help    : 'toggle output scroll',
+            help    : 'toggle output scrolling',
             help_index : 'gc',
             handler : function (event) {
                 IPython.notebook.toggle_output_scroll();

IPython/html/static/notebook/js/menubar.js

@@ -246,30 +246,27 b' var IPython = (function (IPython) {'
         this.element.find('#to_heading6').click(function () {
             IPython.notebook.to_heading(undefined, 6);
         });
-        this.element.find('#collapse_current_output').click(function () {
-            IPython.notebook.collapse_output();
-        });
-        this.element.find('#scroll_current_output').click(function () {
-            IPython.notebook.scroll_output();
+        
+        this.element.find('#toggle_current_output').click(function () {
+            IPython.notebook.toggle_output();
         });
-        this.element.find('#expand_current_output').click(function () {
-            IPython.notebook.expand_output();
+        this.element.find('#toggle_current_output_scroll').click(function () {
+            IPython.notebook.toggle_output_scroll();
         });
         this.element.find('#clear_current_output').click(function () {
             IPython.notebook.clear_output();
         });
-        this.element.find('#collapse_all_output').click(function () {
-            IPython.notebook.collapse_all_output();
-        });
-        this.element.find('#scroll_all_output').click(function () {
-            IPython.notebook.scroll_all_output();
+        
+        this.element.find('#toggle_all_output').click(function () {
+            IPython.notebook.toggle_all_output();
         });
-        this.element.find('#expand_all_output').click(function () {
-            IPython.notebook.expand_all_output();
+        this.element.find('#toggle_all_output_scroll').click(function () {
+            IPython.notebook.toggle_all_output_scroll();
         });
         this.element.find('#clear_all_output').click(function () {
             IPython.notebook.clear_all_output();
         });
+        
         // Kernel
         this.element.find('#int_kernel').click(function () {
             IPython.notebook.session.interrupt_kernel();

IPython/html/static/notebook/js/notebook.js

@@ -1296,6 +1296,21 b' var IPython = (function (IPython) {'
     };
 
     /**
+     * Hide/show the output of all cells.
+     * 
+     * @method toggle_all_output
+     */
+    Notebook.prototype.toggle_all_output = function () {
+        $.map(this.get_cells(), function (cell, i) {
+            if (cell instanceof IPython.CodeCell) {
+                cell.toggle_output();
+            }
+        });
+        // this should not be set if the `collapse` key is removed from nbformat
+        this.set_dirty(true);
+    };
+
+    /**
      * Toggle a scrollbar for long cell outputs.
      * 
      * @method toggle_output_scroll
@@ -1310,6 +1325,20 b' var IPython = (function (IPython) {'
         }
     };
 
+    /**
+     * Toggle the scrolling of long output on all cells.
+     * 
+     * @method toggle_all_output_scrolling
+     */
+    Notebook.prototype.toggle_all_output_scroll = function () {
+        $.map(this.get_cells(), function (cell, i) {
+            if (cell instanceof IPython.CodeCell) {
+                cell.toggle_output_scroll();
+            }
+        });
+        // this should not be set if the `collapse` key is removed from nbformat
+        this.set_dirty(true);
+    };
 
     // Other cell functions: line numbers, ...
 

IPython/html/templates/notebook.html

@@ -172,24 +172,34 b' class="notebook_app"'
                 <li class="divider"></li>
                 <li id="current_outputs" class="dropdown-submenu"><a href="#">Current Output</a>
                     <ul class="dropdown-menu">
-                        <li id="collapse_current_output"><a href="#">Collapse</a></li>
-                        <li id="expand_current_output"><a href="#">Expand</a></li>
+                        <li id="toggle_current_output"
+                            title="Hide/Show the output of the current cell">
+                            <a href="#">Toggle</a>
+                        </li>
+                        <li id="toggle_current_output_scroll"
+                            title="Scroll the output of the current cell">
+                            <a href="#">Toggle Scrolling</a>
+                        </li>
                         <li id="clear_current_output"
-                            title="Clear the output portion of the current cell">
+                            title="Clear the output of the current cell">
                             <a href="#">Clear</a>
                         </li>
-                        <li id="scroll_current_output"><a href="#">Scroll Long</a></li>
                     </ul>
                 </li>
                 <li id="all_outputs" class="dropdown-submenu"><a href="#">All Output</a>
                     <ul class="dropdown-menu">
-                        <li id="collapse_all_output"><a href="#">Collapse</a></li>
-                        <li id="expand_all_output"><a href="#">Expand</a></li>
+                        <li id="toggle_all_output"
+                            title="Hide/Show the output of all cells">
+                            <a href="#">Toggle</a>
+                        </li>
+                        <li id="toggle_all_output_scroll"
+                            title="Scroll the output of all cells">
+                            <a href="#">Toggle Scrolling</a>
+                        </li>
                         <li id="clear_all_output"
-                            title="Clear the output portion of all Code cells">
+                            title="Clear the output of all cells">
                             <a href="#">Clear</a>
                         </li>
-                        <li id="scroll_all_output"><a href="#">Scroll Long</a></li>
                     </ul>
                 </li>
             </ul>