diff --git a/IPython/html/static/notebook/js/cell.js b/IPython/html/static/notebook/js/cell.js
index 514144f..032b413 100644
--- a/IPython/html/static/notebook/js/cell.js
+++ b/IPython/html/static/notebook/js/cell.js
@@ -147,10 +147,7 @@ var IPython = (function (IPython) {
         }
         if (this.code_mirror) {
             this.code_mirror.on('blur', function(cm, change) {
-                // Check if this unfocus event is legit.
-                if (!that.should_cancel_blur()) {
-                    $([IPython.events]).trigger('command_mode.Cell', {cell: that});
-                }
+                $([IPython.events]).trigger('command_mode.Cell', {cell: that});
             });
         }
     };
@@ -331,18 +328,7 @@ var IPython = (function (IPython) {
             return false;
         }
     };
-
-    /**
-     * Determine whether or not the unfocus event should be aknowledged.
-     *
-     * @method should_cancel_blur
-     *
-     * @return results {bool} Whether or not to ignore the cell's blur event.
-     **/
-    Cell.prototype.should_cancel_blur = function () {
-        return false;
-    };
-
+    
     /**
      * Focus the cell in the DOM sense
      * @method focus_cell
diff --git a/IPython/html/static/notebook/js/codecell.js b/IPython/html/static/notebook/js/codecell.js
index c799681..44d4c79 100644
--- a/IPython/html/static/notebook/js/codecell.js
+++ b/IPython/html/static/notebook/js/codecell.js
@@ -358,21 +358,6 @@ var IPython = (function (IPython) {
         return false;
     };
 
-    /**
-     * Determine whether or not the unfocus event should be aknowledged.
-     *
-     * @method should_cancel_blur
-     *
-     * @return results {bool} Whether or not to ignore the cell's blur event.
-     **/
-    CodeCell.prototype.should_cancel_blur = function () {
-        // Cancel this unfocus event if the base wants to cancel or the cell 
-        // completer is open or the tooltip is open.
-        return IPython.Cell.prototype.should_cancel_blur.apply(this) ||
-            (this.completer && this.completer.is_visible()) ||
-            (IPython.tooltip && IPython.tooltip.is_visible());
-    };
-
     CodeCell.prototype.select_all = function () {
         var start = {line: 0, ch: 0};
         var nlines = this.code_mirror.lineCount();
@@ -508,6 +493,23 @@ var IPython = (function (IPython) {
         return data;
     };
 
+    /**
+     * handle cell level logic when a cell is unselected
+     * @method unselect
+     * @return is the action being taken
+     */
+    CodeCell.prototype.unselect = function () {
+        var cont = IPython.Cell.prototype.unselect.apply(this);
+        if (cont) {
+            // When a code cell is usnelected, make sure that the corresponding
+            // tooltip and completer to that cell is closed.
+            IPython.tooltip.remove_and_cancel_tooltip(true);
+            if (this.completer !== null) {
+                this.completer.close();
+            }
+        }
+        return cont;
+    };
 
     IPython.CodeCell = CodeCell;
 
diff --git a/IPython/html/static/notebook/js/completer.js b/IPython/html/static/notebook/js/completer.js
index 3fd7245..14e13b6 100644
--- a/IPython/html/static/notebook/js/completer.js
+++ b/IPython/html/static/notebook/js/completer.js
@@ -73,7 +73,6 @@ var IPython = (function (IPython) {
 
 
     var Completer = function (cell) {
-        this._visible = false;
         this.cell = cell;
         this.editor = cell.code_mirror;
         var that = this;
@@ -85,15 +84,9 @@ var IPython = (function (IPython) {
         });
     };
 
-    Completer.prototype.is_visible = function () {
-        // Return whether or not the completer is visible.
-        return this._visible;
-    };
-
     Completer.prototype.startCompletion = function () {
         // call for a 'first' completion, that will set the editor and do some
-        // special behaviour like autopicking if only one completion availlable
-        //
+        // special behavior like autopicking if only one completion available.
         if (this.editor.somethingSelected()) return;
         this.done = false;
         // use to get focus back on opera
@@ -221,17 +214,37 @@ var IPython = (function (IPython) {
             }
         }
 
-        this.complete = $('<div/>').addClass('completions');
-        this.complete.attr('id', 'complete');
-
-        // Currently webkit doesn't use the size attr correctly. See:
-        // https://code.google.com/p/chromium/issues/detail?id=4579
-        this.sel = $('<select style="width: auto"/>')
-            .attr('multiple', 'true')
-            .attr('size', Math.min(10, this.raw_result.length));
-        this.complete.append(this.sel);
-        this._visible = true;
-        $('body').append(this.complete);
+        if (!this.visible) {
+            this.complete = $('<div/>').addClass('completions');
+            this.complete.attr('id', 'complete');
+
+            // Currently webkit doesn't use the size attr correctly. See:
+            // https://code.google.com/p/chromium/issues/detail?id=4579
+            this.sel = $('<select/>')
+                .attr('tabindex', -1)
+                .attr('multiple', 'true');
+            this.complete.append(this.sel);
+            this.visible = true;
+            $('body').append(this.complete);
+
+            //build the container
+            var that = this;
+            this.sel.dblclick(function () {
+                that.pick();
+            });
+            this.sel.focus(function () {
+                that.editor.focus();
+            });
+            this._handle_keydown = function (cm, event) {
+                that.keydown(event);
+            };
+            this.editor.on('keydown', this._handle_keydown);
+            this._handle_keypress = function (cm, event) {
+                that.keypress(event);
+            };
+            this.editor.on('keypress', this._handle_keypress);
+        }
+        this.sel.attr('size', Math.min(10, this.raw_result.length));
 
         // After everything is on the page, compute the postion.
         // We put it above the code if it is too close to the bottom of the page.
@@ -249,28 +262,9 @@ var IPython = (function (IPython) {
         this.complete.css('left', left + 'px');
         this.complete.css('top', top + 'px');
 
-
-        //build the container
-        var that = this;
-        this.sel.dblclick(function () {
-            that.pick();
-        });
-        this.sel.blur(this.close);
-        this.sel.keydown(function (event) {
-            that.keydown(event);
-        });
-        this.sel.keypress(function (event) {
-            that.keypress(event);
-        });
-
+        // Clear and fill the list.
+        this.sel.text('');
         this.build_gui_list(this.raw_result);
-
-        this.sel.focus();
-        IPython.keyboard_manager.disable();
-        // Opera sometimes ignores focusing a freshly created node
-        if (window.opera) setTimeout(function () {
-            if (!this.done) this.sel.focus();
-        }, 100);
         return true;
     };
 
@@ -288,20 +282,16 @@ var IPython = (function (IPython) {
     };
 
     Completer.prototype.close = function () {
-        this._visible = false;
-        if (this.done) return;
         this.done = true;
-        $('.completions').remove();
-        IPython.keyboard_manager.enable();
+        $('#complete').remove();
+        this.editor.off('keydown', this._handle_keydown);
+        this.editor.off('keypress', this._handle_keypress);
+        this.visible = false;
     };
 
     Completer.prototype.pick = function () {
         this.insert(this.raw_result[this.sel[0].selectedIndex]);
         this.close();
-        var that = this;
-        setTimeout(function () {
-            that.editor.focus();
-        }, 50);
     };
 
     Completer.prototype.keydown = function (event) {
@@ -312,16 +302,10 @@ var IPython = (function (IPython) {
         if (code == keycodes.enter) {
             CodeMirror.e_stop(event);
             this.pick();
-        }
         // Escape or backspace
-        else if (code == keycodes.esc) {
+        } else if (code == keycodes.esc || code == keycodes.backspace) {
             CodeMirror.e_stop(event);
             this.close();
-            this.editor.focus();
-
-        } else if (code == keycodes.backspace) {
-            this.close();
-            this.editor.focus();
         } else if (code == keycodes.tab) {
             //all the fastforwarding operation,
             //Check that shared start is not null which can append with prefixed completion
@@ -332,8 +316,6 @@ var IPython = (function (IPython) {
                 this.insert(sh);
             }
             this.close();
-            CodeMirror.e_stop(event);
-            this.editor.focus();
             //reinvoke self
             setTimeout(function () {
                 that.carry_on_completion();
@@ -341,10 +323,23 @@ var IPython = (function (IPython) {
         } else if (code == keycodes.up || code == keycodes.down) {
             // need to do that to be able to move the arrow
             // when on the first or last line ofo a code cell
-            event.stopPropagation();
+            CodeMirror.e_stop(event);
+
+            var options = this.sel.find('option');
+            var index = this.sel[0].selectedIndex;
+            if (code == keycodes.up) {
+                index--;
+            }
+            if (code == keycodes.down) {
+                index++;
+            }
+            index = Math.min(Math.max(index, 0), options.length-1);
+            this.sel[0].selectedIndex = index;
+        } else if (code == keycodes.left || code == keycodes.right) {
+            this.close();
         }
     };
-    
+
     Completer.prototype.keypress = function (event) {
         // FIXME: This is a band-aid.
         // on keypress, trigger insertion of a single character.
@@ -358,26 +353,16 @@ var IPython = (function (IPython) {
         // don't handle keypress if it's not a character (arrows on FF)
         // or ENTER/TAB
         if (event.charCode === 0 ||
-            code == keycodes.enter ||
-            code == keycodes.tab
+            code == keycodes.tab ||
+            code == keycodes.enter
         ) return;
         
-        var cur = this.editor.getCursor();
-        var completion = {
-            str: String.fromCharCode(event.which),
-            type: "introspection",
-            from: cur,
-            to: cur,
-        };
-        this.insert(completion);
-        
         this.close();
         this.editor.focus();
         setTimeout(function () {
             that.carry_on_completion();
         }, 50);
     };
-
     IPython.Completer = Completer;
 
     return IPython;
diff --git a/IPython/html/static/notebook/less/completer.less b/IPython/html/static/notebook/less/completer.less
index 6f633de..1e564a2 100644
--- a/IPython/html/static/notebook/less/completer.less
+++ b/IPython/html/static/notebook/less/completer.less
@@ -17,6 +17,7 @@
     font-family: @monoFontFamily;
     font-size: 110%;
     color: @textColor;
+    width: auto;
 }
 
 .completions select option.context {
diff --git a/IPython/html/static/style/style.min.css b/IPython/html/static/style/style.min.css
index 3c01e1d..36563fd 100644
--- a/IPython/html/static/style/style.min.css
+++ b/IPython/html/static/style/style.min.css
@@ -1,7 +1,3 @@
-.clearfix{*zoom:1}.clearfix:before,.clearfix:after{display:table;content:"";line-height:0}
-.clearfix:after{clear:both}
-.hide-text{font:0/0 a;color:transparent;text-shadow:none;background-color:transparent;border:0}
-.input-block-level{display:block;width:100%;min-height:30px;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}
 article,aside,details,figcaption,figure,footer,header,hgroup,nav,section{display:block}
 audio,canvas,video{display:inline-block;*display:inline;*zoom:1}
 audio:not([controls]){display:none}
@@ -856,6 +852,10 @@ a.label:hover,a.label:focus,a.badge:hover,a.badge:focus{color:#fff;text-decorati
 .show{display:block}
 .invisible{visibility:hidden}
 .affix{position:fixed}
+.clearfix{*zoom:1}.clearfix:before,.clearfix:after{display:table;content:"";line-height:0}
+.clearfix:after{clear:both}
+.hide-text{font:0/0 a;color:transparent;text-shadow:none;background-color:transparent;border:0}
+.input-block-level{display:block;width:100%;min-height:30px;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}
 @-ms-viewport{width:device-width}.hidden{display:none;visibility:hidden}
 .visible-phone{display:none !important}
 .visible-tablet{display:none !important}
@@ -1497,7 +1497,7 @@ p{margin-bottom:0}
 .celltoolbar input[type=checkbox]{margin:0;margin-left:4px;margin-right:4px}
 .celltoolbar .ui-button{border:none;vertical-align:top;height:20px;min-width:30px}
 .completions{position:absolute;z-index:10;overflow:hidden;border:1px solid #ababab;border-radius:4px;-webkit-box-shadow:0 6px 10px -1px #adadad;-moz-box-shadow:0 6px 10px -1px #adadad;box-shadow:0 6px 10px -1px #adadad}
-.completions select{background:#fff;outline:none;border:none;padding:0;margin:0;overflow:auto;font-family:monospace;font-size:110%;color:#000}
+.completions select{background:#fff;outline:none;border:none;padding:0;margin:0;overflow:auto;font-family:monospace;font-size:110%;color:#000;width:auto}
 .completions select option.context{color:#0064cd}
 #menubar .navbar-inner{min-height:28px;border-top:1px;border-radius:0 0 4px 4px}
 #menubar .navbar{margin-bottom:8px}