diff --git a/IPython/frontend/html/notebook/static/js/cell.js b/IPython/frontend/html/notebook/static/js/cell.js
index b186bd8c3..6806dd3cf 100644
--- a/IPython/frontend/html/notebook/static/js/cell.js
+++ b/IPython/frontend/html/notebook/static/js/cell.js
@@ -45,16 +45,16 @@ var IPython = (function (IPython) {
 
     Cell.prototype.bind_events = function () {
         var that = this;
-        var nb = that.notebook
+        var nb = that.notebook;
         that.element.click(function (event) {
             if (that.selected === false) {
                 nb.select(nb.find_cell_index(that));
-            };
+            }
         });
         that.element.focusin(function (event) {
             if (that.selected === false) {
                 nb.select(nb.find_cell_index(that));
-            };
+            }
         });
     };
 
diff --git a/IPython/frontend/html/notebook/static/js/codecell.js b/IPython/frontend/html/notebook/static/js/codecell.js
index c96d4b22c..8aa744199 100644
--- a/IPython/frontend/html/notebook/static/js/codecell.js
+++ b/IPython/frontend/html/notebook/static/js/codecell.js
@@ -44,7 +44,7 @@ var IPython = (function (IPython) {
         var output = $('<div></div>').addClass('output vbox');
         cell.append(input).append(output);
         this.element = cell;
-        this.collapse()
+        this.collapse();
     };
 
     //TODO, try to diminish the number of parameters.
@@ -123,7 +123,7 @@ var IPython = (function (IPython) {
                 return true;
             } else {
                 return false;
-            };
+            }
         } else if (event.keyCode === 76 && event.ctrlKey && event.shiftKey
                    && event.type == 'keydown') {
             // toggle line numbers with Ctrl-Shift-L
@@ -138,10 +138,11 @@ var IPython = (function (IPython) {
                 if (ed_cur.line !== cc_cur.line || ed_cur.ch !== cc_cur.ch) {
                     this.is_completing = false;
                     this.completion_cursor = null;
-                };
-            };
+                }
+            }
             return false;
         };
+        return false;
     };
 
     CodeCell.prototype.remove_and_cancell_tooltip = function(timeout)
@@ -345,7 +346,7 @@ var IPython = (function (IPython) {
         } else {
             this.code_mirror.setOption('lineNumbers', false);
         }
-        this.code_mirror.refresh()
+        this.code_mirror.refresh();
     };
 
     CodeCell.prototype.select = function () {
@@ -447,7 +448,7 @@ var IPython = (function (IPython) {
 
     CodeCell.prototype.append_display_data = function (json) {
         var toinsert = this.create_output_area();
-        this.append_mime_type(json, toinsert)
+        this.append_mime_type(json, toinsert);
         this.element.find('div.output').append(toinsert);
         // If we just output latex, typeset it.
         if ( (json.latex !== undefined) || (json.html !== undefined) ) {
@@ -477,7 +478,7 @@ var IPython = (function (IPython) {
         var toinsert = $("<div/>").addClass("box_flex1 output_subarea output_html rendered_html");
         toinsert.append(html);
         element.append(toinsert);
-    }
+    };
 
 
     CodeCell.prototype.append_text = function (data, element, extra_class) {
@@ -517,7 +518,7 @@ var IPython = (function (IPython) {
         var toinsert = $("<div/>").addClass("box_flex1 output_subarea output_latex");
         toinsert.append(latex);
         element.append(toinsert);
-    }
+    };
 
 
     CodeCell.prototype.clear_output = function (stdout, stderr, other) {
@@ -589,7 +590,7 @@ var IPython = (function (IPython) {
 
     CodeCell.prototype.set_input_prompt = function (number) {
         var n = number || '&nbsp;';
-        this.input_prompt_number = n
+        this.input_prompt_number = n;
         this.element.find('div.input_prompt').html('In&nbsp;[' + n + ']:');
     };
 
@@ -653,7 +654,7 @@ var IPython = (function (IPython) {
         data.input = this.get_code();
         data.cell_type = 'code';
         if (this.input_prompt_number !== ' ') {
-            data.prompt_number = this.input_prompt_number
+            data.prompt_number = this.input_prompt_number;
         };
         var outputs = [];
         var len = this.outputs.length;
diff --git a/IPython/frontend/html/notebook/static/js/kernel.js b/IPython/frontend/html/notebook/static/js/kernel.js
index b3ae6ba4f..16f9445bf 100644
--- a/IPython/frontend/html/notebook/static/js/kernel.js
+++ b/IPython/frontend/html/notebook/static/js/kernel.js
@@ -23,9 +23,9 @@ var IPython = (function (IPython) {
         this.session_id = utils.uuid();
         
         if (typeof(WebSocket) !== 'undefined') {
-            this.WebSocket = WebSocket
+            this.WebSocket = WebSocket;
         } else if (typeof(MozWebSocket) !== 'undefined') {
-            this.WebSocket = MozWebSocket
+            this.WebSocket = MozWebSocket;
         } else {
             alert('Your browser does not have WebSocket support, please try Chrome, Safari or Firefox ≥ 6. Firefox 4 and 5 are also supported by you have to enable WebSockets in about:config.');
         };
@@ -44,13 +44,13 @@ var IPython = (function (IPython) {
             parent_header : {}
         };
         return msg;
-    }
+    };
 
     Kernel.prototype.start = function (notebook_id, callback) {
         var that = this;
         if (!this.running) {
             var qs = $.param({notebook:notebook_id});
-            var url = this.base_url + '?' + qs
+            var url = this.base_url + '?' + qs;
             $.post(url,
                 function (kernel_id) {
                     that._handle_start_kernel(kernel_id, callback);
@@ -95,10 +95,10 @@ var IPython = (function (IPython) {
             " You will NOT be able to run code.<br/>" +
             " Your browser may not be compatible with the websocket version in the server," +
             " or if the url does not look right, there could be an error in the" +
-            " server's configuration."
+            " server's configuration.";
         } else {
             msg = "Websocket connection closed unexpectedly.<br/>" +
-            " The kernel will no longer be responsive."
+            " The kernel will no longer be responsive.";
         }
         var dialog = $('<div/>');
         dialog.html(msg);
@@ -114,7 +114,7 @@ var IPython = (function (IPython) {
             }
         });
         
-    }
+    };
 
     Kernel.prototype.start_channels = function () {
         var that = this;
@@ -125,7 +125,7 @@ var IPython = (function (IPython) {
         this.iopub_channel = new this.WebSocket(ws_url + "/iopub");
         send_cookie = function(){
             this.send(document.cookie);
-        }
+        };
         var already_called_onclose = false; // only alert once
         ws_closed_early = function(evt){
             if (already_called_onclose){
@@ -135,7 +135,7 @@ var IPython = (function (IPython) {
             if ( ! evt.wasClean ){
                 that._websocket_closed(ws_url, true);
             }
-        }
+        };
         ws_closed_late = function(evt){
             if (already_called_onclose){
                 return;
@@ -144,7 +144,7 @@ var IPython = (function (IPython) {
             if ( ! evt.wasClean ){
                 that._websocket_closed(ws_url, false);
             }
-        }
+        };
         this.shell_channel.onopen = send_cookie;
         this.shell_channel.onclose = ws_closed_early;
         this.iopub_channel.onopen = send_cookie;
@@ -159,12 +159,12 @@ var IPython = (function (IPython) {
 
     Kernel.prototype.stop_channels = function () {
         if (this.shell_channel !== null) {
-            this.shell_channel.onclose = function (evt) {null};
+            this.shell_channel.onclose = function (evt) {};
             this.shell_channel.close();
             this.shell_channel = null;
         };
         if (this.iopub_channel !== null) {
-            this.iopub_channel.onclose = function (evt) {null};
+            this.iopub_channel.onclose = function (evt) {};
             this.iopub_channel.close();
             this.iopub_channel = null;
         };
@@ -189,12 +189,12 @@ var IPython = (function (IPython) {
             silent : false,
             user_variables : [],
             user_expressions : {},
-            allow_stdin : false,
+            allow_stdin : false
         };
         var msg = this.get_msg("execute_request", content);
         this.shell_channel.send(JSON.stringify(msg));
         return msg.header.msg_id;
-    }
+    };
 
 
     Kernel.prototype.complete = function (line, cursor_pos) {
@@ -206,7 +206,7 @@ var IPython = (function (IPython) {
         var msg = this.get_msg("complete_request", content);
         this.shell_channel.send(JSON.stringify(msg));
         return msg.header.msg_id;
-    }
+    };
 
 
     Kernel.prototype.interrupt = function () {
@@ -221,7 +221,7 @@ var IPython = (function (IPython) {
             this.running = false;
             var settings = {
                 cache : false,
-                type : "DELETE",
+                type : "DELETE"
             };
             $.ajax(this.kernel_url, settings);
         };
diff --git a/IPython/frontend/html/notebook/static/js/namespace.js b/IPython/frontend/html/notebook/static/js/namespace.js
index 2ded1ebdb..9c1738633 100644
--- a/IPython/frontend/html/notebook/static/js/namespace.js
+++ b/IPython/frontend/html/notebook/static/js/namespace.js
@@ -20,7 +20,7 @@ IPython.namespace = function (ns_string) {
     for (i=0; i<parts.length; i+=1) {
         // Create property if it doesn't exist
         if (typeof parent[parts[i]] === "undefined") {
-            parent[parts[i]] == {};
+            parent[parts[i]] = {};
         }
     }
     return parent;
diff --git a/IPython/frontend/html/notebook/static/js/notebook.js b/IPython/frontend/html/notebook/static/js/notebook.js
index e61b909f1..bf219b4f3 100644
--- a/IPython/frontend/html/notebook/static/js/notebook.js
+++ b/IPython/frontend/html/notebook/static/js/notebook.js
@@ -59,7 +59,7 @@ var IPython = (function (IPython) {
         var that = this;
         $(document).keydown(function (event) {
             // console.log(event);
-            if (that.read_only) return;
+            if (that.read_only) return false;
             if (event.which === 27) {
                 // Intercept escape at highest level to avoid closing 
                 // websocket connection with firefox
@@ -165,6 +165,7 @@ var IPython = (function (IPython) {
                 that.control_key_active = false;
                 return true;
             };
+            return true;
         });
 
         this.element.bind('collapse_pager', function () {
@@ -203,6 +204,7 @@ var IPython = (function (IPython) {
             if (that.dirty && ! that.read_only) {
                 return "You have unsaved changes that will be lost if you leave this page.";
             };
+            return true;
         });
     };
 
@@ -266,12 +268,12 @@ var IPython = (function (IPython) {
 
     Notebook.prototype.cell_elements = function () {
         return this.element.children("div.cell");
-    }
+    };
 
 
     Notebook.prototype.ncells = function (cell) {
         return this.cell_elements().length;
-    }
+    };
 
 
     // TODO: we are often calling cells as cells()[i], which we should optimize
@@ -280,7 +282,7 @@ var IPython = (function (IPython) {
         return this.cell_elements().toArray().map(function (e) {
             return $(e).data("cell");
         });
-    }
+    };
 
 
     Notebook.prototype.find_cell_index = function (cell) {
@@ -296,7 +298,7 @@ var IPython = (function (IPython) {
 
     Notebook.prototype.index_or_selected = function (index) {
         return index || this.selected_index() || 0;
-    }
+    };
 
 
     Notebook.prototype.select = function (index) {
@@ -354,7 +356,7 @@ var IPython = (function (IPython) {
 
     Notebook.prototype.selected_cell = function () {
         return this.cell_elements().eq(this.selected_index()).data("cell");
-    }
+    };
 
 
     // Cell insertion, deletion and moving.
@@ -392,7 +394,7 @@ var IPython = (function (IPython) {
             this.cell_elements().eq(index).after(cell.element);
         };
         this.dirty = true;
-        return this
+        return this;
     };
 
 
@@ -423,14 +425,14 @@ var IPython = (function (IPython) {
         };
         this.dirty = true;
         return this;
-    }
+    };
 
 
     Notebook.prototype.move_cell_down = function (index) {
         var i = index || this.selected_index();
         if (i !== null && i < (this.ncells()-1) && i >= 0) {
-            var pivot = this.cell_elements().eq(i+1)
-            var tomove = this.cell_elements().eq(i)
+            var pivot = this.cell_elements().eq(i+1);
+            var tomove = this.cell_elements().eq(i);
             if (pivot !== null && tomove !== null) {
                 tomove.detach();
                 pivot.after(tomove);
@@ -439,7 +441,7 @@ var IPython = (function (IPython) {
         };
         this.dirty = true;
         return this;
-    }
+    };
 
 
     Notebook.prototype.sort_cells = function () {
@@ -447,7 +449,7 @@ var IPython = (function (IPython) {
         var sindex = this.selected_index();
         var swapped;
         do {
-            swapped = false
+            swapped = false;
             for (var i=1; i<ncells; i++) {
                 current = this.cell_elements().eq(i).data("cell");
                 previous = this.cell_elements().eq(i-1).data("cell");
@@ -470,7 +472,7 @@ var IPython = (function (IPython) {
         this.insert_cell_above(cell, i);
         this.select(this.find_cell_index(cell));
         return cell;
-    }
+    };
 
 
     Notebook.prototype.insert_code_cell_below = function (index) {
@@ -481,7 +483,7 @@ var IPython = (function (IPython) {
         this.insert_cell_below(cell, i);
         this.select(this.find_cell_index(cell));
         return cell;
-    }
+    };
 
 
     Notebook.prototype.insert_html_cell_above = function (index) {
@@ -492,7 +494,7 @@ var IPython = (function (IPython) {
         this.insert_cell_above(cell, i);
         this.select(this.find_cell_index(cell));
         return cell;
-    }
+    };
 
 
     Notebook.prototype.insert_html_cell_below = function (index) {
@@ -503,7 +505,7 @@ var IPython = (function (IPython) {
         this.insert_cell_below(cell, i);
         this.select(this.find_cell_index(cell));
         return cell;
-    }
+    };
 
 
     Notebook.prototype.insert_markdown_cell_above = function (index) {
@@ -514,7 +516,7 @@ var IPython = (function (IPython) {
         this.insert_cell_above(cell, i);
         this.select(this.find_cell_index(cell));
         return cell;
-    }
+    };
 
 
     Notebook.prototype.insert_markdown_cell_below = function (index) {
@@ -525,7 +527,7 @@ var IPython = (function (IPython) {
         this.insert_cell_below(cell, i);
         this.select(this.find_cell_index(cell));
         return cell;
-    }
+    };
 
 
     Notebook.prototype.to_code = function (index) {
@@ -553,11 +555,11 @@ var IPython = (function (IPython) {
         var target_cell = null;
         if (source_cell instanceof IPython.CodeCell) {
             this.insert_markdown_cell_below(i);
-            var target_cell = this.cells()[i+1];
+            target_cell = this.cells()[i+1];
             var text = source_cell.get_code();
         } else if (source_cell instanceof IPython.HTMLCell) {
             this.insert_markdown_cell_below(i);
-            var target_cell = this.cells()[i+1];
+            target_cell = this.cells()[i+1];
             var text = source_cell.get_source();
             if (text === source_cell.placeholder) {
                 text = target_cell.placeholder;
@@ -581,11 +583,11 @@ var IPython = (function (IPython) {
         var target_cell = null;
         if (source_cell instanceof IPython.CodeCell) {
             this.insert_html_cell_below(i);
-            var target_cell = this.cells()[i+1];
+            target_cell = this.cells()[i+1];
             var text = source_cell.get_code();
         } else if (source_cell instanceof IPython.MarkdownCell) {
             this.insert_html_cell_below(i);
-            var target_cell = this.cells()[i+1];
+            target_cell = this.cells()[i+1];
             var text = source_cell.get_source();
             if (text === source_cell.placeholder) {
                 text = target_cell.placeholder;
@@ -643,7 +645,7 @@ var IPython = (function (IPython) {
         var cells = this.cells();
         len = cells.length;
         for (var i=0; i<len; i++) {
-            cells[i].set_autoindent(state)
+            cells[i].set_autoindent(state);
         };
     };
 
@@ -662,7 +664,7 @@ var IPython = (function (IPython) {
     // Other cell functions: line numbers, ...
 
     Notebook.prototype.cell_toggle_line_numbers = function() {
-        this.selected_cell().toggle_line_numbers()
+        this.selected_cell().toggle_line_numbers();
     };
 
     // Kernel related things
@@ -864,8 +866,8 @@ var IPython = (function (IPython) {
     Notebook.prototype.execute_selected_cell = function (options) {
         // add_new: should a new cell be added if we are at the end of the nb
         // terminal: execute in terminal mode, which stays in the current cell
-        default_options = {terminal: false, add_new: true}
-        $.extend(default_options, options)
+        default_options = {terminal: false, add_new: true};
+        $.extend(default_options, options);
         var that = this;
         var cell = that.selected_cell();
         var cell_index = that.find_cell_index(cell);
@@ -938,7 +940,8 @@ var IPython = (function (IPython) {
 
     Notebook.prototype.fromJSON = function (data) {
         var ncells = this.ncells();
-        for (var i=0; i<ncells; i++) {
+        var i;
+        for (i=0; i<ncells; i++) {
             // Always delete cell 0 as they get renumbered as they are deleted.
             this.delete_cell(0);
         };
@@ -951,7 +954,7 @@ var IPython = (function (IPython) {
             ncells = new_cells.length;
             var cell_data = null;
             var new_cell = null;
-            for (var i=0; i<ncells; i++) {
+            for (i=0; i<ncells; i++) {
                 cell_data = new_cells[i];
                 if (cell_data.cell_type == 'code') {
                     new_cell = this.insert_code_cell_below();
@@ -979,8 +982,8 @@ var IPython = (function (IPython) {
             // Only handle 1 worksheet for now.
             worksheets : [{cells:cell_array}],
             metadata : this.metadata
-        }
-        return data
+        };
+        return data;
     };
 
     Notebook.prototype.save_notebook = function () {
@@ -1002,7 +1005,7 @@ var IPython = (function (IPython) {
                 error : $.proxy(this.notebook_save_failed,this)
             };
             IPython.save_widget.status_saving();
-            var url = $('body').data('baseProjectUrl') + 'notebooks/' + notebook_id
+            var url = $('body').data('baseProjectUrl') + 'notebooks/' + notebook_id;
             $.ajax(url, settings);
         };
     };
@@ -1012,7 +1015,7 @@ var IPython = (function (IPython) {
         this.dirty = false;
         IPython.save_widget.notebook_saved();
         IPython.save_widget.status_save();
-    }
+    };
 
 
     Notebook.prototype.notebook_save_failed = function (xhr, status, error_msg) {
@@ -1020,7 +1023,7 @@ var IPython = (function (IPython) {
         // TODO: Handle different types of errors (timeout etc.)
         alert('An unexpected error occured while saving the notebook.');
         IPython.save_widget.reset_status();
-    }
+    };
 
 
     Notebook.prototype.load_notebook = function (callback) {
@@ -1040,9 +1043,9 @@ var IPython = (function (IPython) {
             }
         };
         IPython.save_widget.status_loading();
-        var url = $('body').data('baseProjectUrl') + 'notebooks/' + notebook_id
+        var url = $('body').data('baseProjectUrl') + 'notebooks/' + notebook_id;
         $.ajax(url, settings);
-    }
+    };
 
 
     Notebook.prototype.notebook_loaded = function (data, status, xhr) {
diff --git a/IPython/frontend/html/notebook/static/js/notebooklist.js b/IPython/frontend/html/notebook/static/js/notebooklist.js
index 316ef0e38..1fbf4b7e0 100644
--- a/IPython/frontend/html/notebook/static/js/notebooklist.js
+++ b/IPython/frontend/html/notebook/static/js/notebooklist.js
@@ -67,7 +67,7 @@ var IPython = (function (IPython) {
             dataType : "json",
             success : $.proxy(this.list_loaded, this)
         };
-        var url = $('body').data('baseProjectUrl') + 'notebooks'
+        var url = $('body').data('baseProjectUrl') + 'notebooks';
         $.ajax(url, settings);
     };
 
@@ -174,7 +174,7 @@ var IPython = (function (IPython) {
                                     parent_item.remove();
                                 }
                             };
-                            var url = $('body').data('baseProjectUrl') + 'notebooks/' + notebook_id
+                            var url = $('body').data('baseProjectUrl') + 'notebooks/' + notebook_id;
                             $.ajax(url, settings);
                             $(this).dialog('close');
                         },
@@ -222,7 +222,7 @@ var IPython = (function (IPython) {
                 };
 
                 var qs = $.param({name:nbname, format:nbformat});
-                var url = $('body').data('baseProjectUrl') + 'notebooks?' + qs
+                var url = $('body').data('baseProjectUrl') + 'notebooks?' + qs;
                 $.ajax(url, settings);
             });
         var cancel_button = $('<button>Cancel</button>').button().
diff --git a/IPython/frontend/html/notebook/static/js/notebookmain.js b/IPython/frontend/html/notebook/static/js/notebookmain.js
index 78e4c054c..c3cb70aca 100644
--- a/IPython/frontend/html/notebook/static/js/notebookmain.js
+++ b/IPython/frontend/html/notebook/static/js/notebookmain.js
@@ -15,7 +15,7 @@ $(document).ready(function () {
     MathJax.Hub.Config({
         tex2jax: {
             inlineMath: [ ['$','$'], ["\\(","\\)"] ],
-            displayMath: [ ['$$','$$'], ["\\[","\\]"] ],
+            displayMath: [ ['$$','$$'], ["\\[","\\]"] ]
         },
         displayAlign: 'left', // Change this to 'center' to center equations.
         "HTML-CSS": {
@@ -76,7 +76,7 @@ $(document).ready(function () {
                 // and finally unhide the panel contents after collapse
                 setTimeout(function(){
                     IPython.left_panel.left_panel_element.css('visibility', 'visible');
-                }, 200)
+                }, 200);
             }
         },100);
     });
diff --git a/IPython/frontend/html/notebook/static/js/savewidget.js b/IPython/frontend/html/notebook/static/js/savewidget.js
index 2c7f631d5..673aee2b0 100644
--- a/IPython/frontend/html/notebook/static/js/savewidget.js
+++ b/IPython/frontend/html/notebook/static/js/savewidget.js
@@ -15,7 +15,7 @@ var IPython = (function (IPython) {
 
     var SaveWidget = function (selector) {
         this.selector = selector;
-        this.notebook_name_blacklist_re = /[\/\\]/
+        this.notebook_name_blacklist_re = /[\/\\]/;
         this.last_saved_name = '';
         if (this.selector !== undefined) {
             this.element = $(selector);
@@ -70,14 +70,14 @@ var IPython = (function (IPython) {
 
     SaveWidget.prototype.get_notebook_name = function () {
         return this.element.find('input#notebook_name').attr('value');
-    }
+    };
 
 
     SaveWidget.prototype.set_notebook_name = function (nbname) {
         this.element.find('input#notebook_name').attr('value',nbname);
         this.set_document_title();
         this.last_saved_name = nbname;
-    }
+    };
 
 
     SaveWidget.prototype.set_document_title = function () {
diff --git a/IPython/frontend/html/notebook/static/js/textcell.js b/IPython/frontend/html/notebook/static/js/textcell.js
index 817c0dc1c..55a9887e7 100644
--- a/IPython/frontend/html/notebook/static/js/textcell.js
+++ b/IPython/frontend/html/notebook/static/js/textcell.js
@@ -34,7 +34,7 @@ var IPython = (function (IPython) {
             mode: this.code_mirror_mode,
             theme: 'default',
             value: this.placeholder,
-            readOnly: this.read_only,
+            readOnly: this.read_only
         });
         // The tabindex=-1 makes this div focusable.
         var render_area = $('<div/>').addClass('text_cell_render').
@@ -52,8 +52,8 @@ var IPython = (function (IPython) {
                 if (that.rendered) {
                     that.edit();
                     event.preventDefault();
-                };
-            };
+                }
+            }
         });
     };
 
@@ -77,8 +77,8 @@ var IPython = (function (IPython) {
             this.rendered = false;
             if (this.get_source() === this.placeholder) {
                 this.set_source('');
-            };
-        };
+            }
+        }
     };
 
 
@@ -145,13 +145,13 @@ var IPython = (function (IPython) {
                 this.set_rendered(data.rendered || '');
                 this.rendered = false;
                 this.render();
-            };
-        };
+            }
+        }
     };
 
 
     TextCell.prototype.toJSON = function () {
-        var data = {}
+        var data = {};
         data.cell_type = this.cell_type;
         data.source = this.get_source();
         return data;
@@ -173,13 +173,13 @@ var IPython = (function (IPython) {
     HTMLCell.prototype.render = function () {
         if (this.rendered === false) {
             var text = this.get_source();
-            if (text === "") {text = this.placeholder;};
+            if (text === "") { text = this.placeholder; }
             this.set_rendered(text);
             MathJax.Hub.Queue(["Typeset",MathJax.Hub]);
             this.element.find('div.text_cell_input').hide();
             this.element.find("div.text_cell_render").show();
             this.rendered = true;
-        };
+        }
     };
 
 
@@ -198,7 +198,7 @@ var IPython = (function (IPython) {
     MarkdownCell.prototype.render = function () {
         if (this.rendered === false) {
             var text = this.get_source();
-            if (text === "") {text = this.placeholder;};
+            if (text === "") { text = this.placeholder; }
             var html = IPython.markdown_converter.makeHtml(text);
             this.set_rendered(html);
             MathJax.Hub.Queue(["Typeset",MathJax.Hub]);
@@ -217,7 +217,7 @@ var IPython = (function (IPython) {
                 return '<code class="prettyprint">' + code + '</code>';
             });
             this.rendered = true;
-        };
+        }
     };
 
 
@@ -234,9 +234,9 @@ var IPython = (function (IPython) {
 
 
     RSTCell.prototype.render = function () {
-        if (this.rendered === false) {  
+        if (this.rendered === false) {
             var text = this.get_source();
-            if (text === "") {text = this.placeholder;};
+            if (text === "") { text = this.placeholder; }
             var settings = {
                 processData : false,
                 cache : false,
@@ -249,7 +249,7 @@ var IPython = (function (IPython) {
             this.element.find('div.text_cell_input').hide();
             this.element.find("div.text_cell_render").show();
             this.set_rendered("Rendering...");
-        };
+        }
     };
 
 
diff --git a/IPython/frontend/html/notebook/static/js/utils.js b/IPython/frontend/html/notebook/static/js/utils.js
index f81c7d48d..bce44b367 100644
--- a/IPython/frontend/html/notebook/static/js/utils.js
+++ b/IPython/frontend/html/notebook/static/js/utils.js
@@ -9,7 +9,7 @@
 // Utilities
 //============================================================================
 
-IPython.namespace('IPython.utils')
+IPython.namespace('IPython.utils');
 
 IPython.utils = (function (IPython) {
 
@@ -35,7 +35,7 @@ IPython.utils = (function (IPython) {
             .replace(/>/g,'&'+'gt;')
             .replace(/\'/g,'&'+'apos;')
             .replace(/\"/g,'&'+'quot;')
-            .replace(/`/g,'&'+'#96;')
+            .replace(/`/g,'&'+'#96;');
     }
 
 
@@ -45,32 +45,32 @@ IPython.utils = (function (IPython) {
         "32":"ansigreen", "33":"ansiyellow",
         "34":"ansiblue", "35":"ansipurple","36":"ansicyan", 
         "37":"ansigrey", "01":"ansibold"
-    }
+    };
 
     // Transform ANI color escape codes into HTML <span> tags with css
     // classes listed in the above ansi_colormap object. The actual color used
     // are set in the css file.
     function fixConsole(txt) {
-        txt = xmlencode(txt)
-        var re = /\033\[([\d;]*?)m/
-        var opened = false
-        var cmds = []
-        var opener = ""
-        var closer = ""
+        txt = xmlencode(txt);
+        var re = /\033\[([\d;]*?)m/;
+        var opened = false;
+        var cmds = [];
+        var opener = "";
+        var closer = "";
         
         while (re.test(txt)) {
-            var cmds = txt.match(re)[1].split(";")
-            closer = opened?"</span>":""
-            opened = cmds.length > 1 || cmds[0] != 0
-            var rep = []
+            var cmds = txt.match(re)[1].split(";");
+            closer = opened?"</span>":"";
+            opened = cmds.length > 1 || cmds[0] != 0;
+            var rep = [];
             for (var i in cmds)
                 if (typeof(ansi_colormap[cmds[i]]) != "undefined")
-                    rep.push(ansi_colormap[cmds[i]])
-            opener = rep.length > 0?"<span class=\""+rep.join(" ")+"\">":""
-            txt = txt.replace(re, closer + opener)
+                    rep.push(ansi_colormap[cmds[i]]);
+            opener = rep.length > 0?"<span class=\""+rep.join(" ")+"\">":"";
+            txt = txt.replace(re, closer + opener);
         }
-        if (opened) txt += "</span>"
-        return txt
+        if (opened) txt += "</span>";
+        return txt;
     }
 
 
@@ -95,7 +95,7 @@ IPython.utils = (function (IPython) {
         uuid : uuid,
         fixConsole : fixConsole,
         grow : grow
-    }
+    };
 
 }(IPython));