--- a/labs/openlayers/lib/OpenLayers/Control/KeyboardDefaults.js
+++ b/labs/openlayers/lib/OpenLayers/Control/KeyboardDefaults.js
@@ -1,1 +1,128 @@
+/* Copyright (c) 2006-2010 by OpenLayers Contributors (see authors.txt for 
+ * full list of contributors). Published under the Clear BSD license.  
+ * See http://svn.openlayers.org/trunk/openlayers/license.txt for the
+ * full text of the license. */
 
+/**
+ * @requires OpenLayers/Control.js
+ * @requires OpenLayers/Handler/Keyboard.js
+ */
+
+/**
+ * Class: OpenLayers.Control.KeyboardDefaults
+ * The KeyboardDefaults control adds panning and zooming functions, controlled
+ * with the keyboard. By default arrow keys pan, +/- keys zoom & Page Up/Page
+ * Down/Home/End scroll by three quarters of a page.
+ * 
+ * This control has no visible appearance.
+ *
+ * Inherits from:
+ *  - <OpenLayers.Control>
+ */
+OpenLayers.Control.KeyboardDefaults = OpenLayers.Class(OpenLayers.Control, {
+
+    /**
+     * APIProperty: autoActivate
+     * {Boolean} Activate the control when it is added to a map.  Default is
+     *     true.
+     */
+    autoActivate: true,
+
+    /**
+     * APIProperty: slideFactor
+     * Pixels to slide by.
+     */
+    slideFactor: 75,
+
+    /**
+     * Constructor: OpenLayers.Control.KeyboardDefaults
+     */
+    initialize: function() {
+        OpenLayers.Control.prototype.initialize.apply(this, arguments);
+    },
+    
+    /**
+     * APIMethod: destroy
+     */
+    destroy: function() {
+        if (this.handler) {
+            this.handler.destroy();
+        }        
+        this.handler = null;
+        
+        OpenLayers.Control.prototype.destroy.apply(this, arguments);
+    },
+    
+    /**
+     * Method: draw
+     * Create handler.
+     */
+    draw: function() {
+        this.handler = new OpenLayers.Handler.Keyboard( this, { 
+                                "keydown": this.defaultKeyPress });
+    },
+    
+    /**
+     * Method: defaultKeyPress
+     * When handling the key event, we only use evt.keyCode. This holds 
+     * some drawbacks, though we get around them below. When interpretting
+     * the keycodes below (including the comments associated with them),
+     * consult the URL below. For instance, the Safari browser returns
+     * "IE keycodes", and so is supported by any keycode labeled "IE".
+     * 
+     * Very informative URL:
+     *    http://unixpapa.com/js/key.html
+     *
+     * Parameters:
+     * code - {Integer} 
+     */
+    defaultKeyPress: function (evt) {
+        switch(evt.keyCode) {
+            case OpenLayers.Event.KEY_LEFT:
+                this.map.pan(-this.slideFactor, 0);
+                break;
+            case OpenLayers.Event.KEY_RIGHT: 
+                this.map.pan(this.slideFactor, 0);
+                break;
+            case OpenLayers.Event.KEY_UP:
+                this.map.pan(0, -this.slideFactor);
+                break;
+            case OpenLayers.Event.KEY_DOWN:
+                this.map.pan(0, this.slideFactor);
+                break;
+            
+            case 33: // Page Up. Same in all browsers.
+                var size = this.map.getSize();
+                this.map.pan(0, -0.75*size.h);
+                break;
+            case 34: // Page Down. Same in all browsers.
+                var size = this.map.getSize();
+                this.map.pan(0, 0.75*size.h);
+                break; 
+            case 35: // End. Same in all browsers.
+                var size = this.map.getSize();
+                this.map.pan(0.75*size.w, 0);
+                break; 
+            case 36: // Home. Same in all browsers.
+                var size = this.map.getSize();
+                this.map.pan(-0.75*size.w, 0);
+                break; 
+
+            case 43:  // +/= (ASCII), keypad + (ASCII, Opera)
+            case 61:  // +/= (Mozilla, Opera, some ASCII)
+            case 187: // +/= (IE)
+            case 107: // keypad + (IE, Mozilla)
+                this.map.zoomIn();
+                break; 
+            case 45:  // -/_ (ASCII, Opera), keypad - (ASCII, Opera)
+            case 109: // -/_ (Mozilla), keypad - (Mozilla, IE)
+            case 189: // -/_ (IE)
+            case 95:  // -/_ (some ASCII)
+                this.map.zoomOut();
+                break; 
+        } 
+    },
+
+    CLASS_NAME: "OpenLayers.Control.KeyboardDefaults"
+});
+