--- a/labs/openlayers/lib/OpenLayers/Strategy/Save.js
+++ b/labs/openlayers/lib/OpenLayers/Strategy/Save.js
@@ -1,1 +1,230 @@
-
+/* 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/Strategy.js
+ */
+
+/**
+ * Class: OpenLayers.Strategy.Save
+ * A strategy that commits newly created or modified features.  By default
+ *     the strategy waits for a call to <save> before persisting changes.  By
+ *     configuring the strategy with the <auto> option, changes can be saved
+ *     automatically.
+ *
+ * Inherits from:
+ *  - <OpenLayers.Strategy>
+ */
+OpenLayers.Strategy.Save = OpenLayers.Class(OpenLayers.Strategy, {
+    
+    /**
+     * Constant: EVENT_TYPES
+     * {Array(String)} Supported application event types.  Register a listener
+     *     for a particular event with the following syntax:
+     * (code)
+     * strategy.events.register(type, obj, listener);
+     * (end)
+     *
+     *  - *start* Triggered before saving
+     *  - *success* Triggered after a successful transaction
+     *  - *fail* Triggered after a failed transaction
+     *      
+     */
+    EVENT_TYPES: ["start", "success", "fail"],
+ 
+    /** 
+     * Property: events
+     * {<OpenLayers.Events>} Events instance for triggering this protocol
+     *    events.
+     */
+    events: null,
+    
+    /**
+     * APIProperty: auto
+     * {Boolean | Number} Auto-save.  Default is false.  If true, features will be
+     *     saved immediately after being added to the layer and with each
+     *     modification or deletion.  If auto is a number, features will be
+     *     saved on an interval provided by the value (in seconds).
+     */
+    auto: false,
+    
+    /**
+     * Property: timer
+     * {Number} The id of the timer.
+     */
+    timer: null,
+
+    /**
+     * Constructor: OpenLayers.Strategy.Save
+     * Create a new Save strategy.
+     *
+     * Parameters:
+     * options - {Object} Optional object whose properties will be set on the
+     *     instance.
+     */
+    initialize: function(options) {
+        OpenLayers.Strategy.prototype.initialize.apply(this, [options]);
+        this.events = new OpenLayers.Events(this, null, this.EVENT_TYPES);
+    },
+   
+    /**
+     * APIMethod: activate
+     * Activate the strategy.  Register any listeners, do appropriate setup.
+     * 
+     * Returns:
+     * {Boolean} The strategy was successfully activated.
+     */
+    activate: function() {
+        var activated = OpenLayers.Strategy.prototype.activate.call(this);
+        if(activated) {
+            if(this.auto) {
+                if(typeof this.auto === "number") {
+                    this.timer = window.setInterval(
+                        OpenLayers.Function.bind(this.save, this),
+                        this.auto * 1000
+                    );
+                } else {
+                    this.layer.events.on({
+                        "featureadded": this.triggerSave,
+                        "afterfeaturemodified": this.triggerSave,
+                        scope: this
+                    });
+                }
+            }
+        }
+        return activated;
+    },
+    
+    /**
+     * APIMethod: deactivate
+     * Deactivate the strategy.  Unregister any listeners, do appropriate
+     *     tear-down.
+     * 
+     * Returns:
+     * {Boolean} The strategy was successfully deactivated.
+     */
+    deactivate: function() {
+        var deactivated = OpenLayers.Strategy.prototype.deactivate.call(this);
+        if(deactivated) {
+            if(this.auto) {
+                if(typeof this.auto === "number") {
+                    window.clearInterval(this.timer);
+                } else {
+                    this.layer.events.un({
+                        "featureadded": this.triggerSave,
+                        "afterfeaturemodified": this.triggerSave,
+                        scope: this
+                    });
+                }
+            }
+        }
+        return deactivated;
+    },
+    
+    /**
+     * Method: triggerSave
+     * Registered as a listener.  Calls save if a feature has insert, update,
+     *     or delete state.
+     *
+     * Parameters:
+     * event - {Object} The event this function is listening for.
+     */
+    triggerSave: function(event) {
+        var feature = event.feature;
+        if(feature.state === OpenLayers.State.INSERT ||
+           feature.state === OpenLayers.State.UPDATE ||
+           feature.state === OpenLayers.State.DELETE) {
+            this.save([event.feature]);
+        }
+    },
+    
+    /**
+     * APIMethod: save
+     * Tell the layer protocol to commit unsaved features.  If the layer
+     *     projection differs from the map projection, features will be
+     *     transformed into the layer projection before being committed.
+     *
+     * Parameters:
+     * features - {Array} Features to be saved.  If null, then default is all
+     *     features in the layer.  Features are assumed to be in the map
+     *     projection.
+     */
+    save: function(features) {
+        if(!features) {
+            features = this.layer.features;
+        }
+        this.events.triggerEvent("start", {features:features});
+        var remote = this.layer.projection;
+        var local = this.layer.map.getProjectionObject();
+        if(!local.equals(remote)) {
+            var len = features.length;
+            var clones = new Array(len);
+            var orig, clone;
+            for(var i=0; i<len; ++i) {
+                orig = features[i];
+                clone = orig.clone();
+                clone.fid = orig.fid;
+                clone.state = orig.state;
+                if(orig.url) {
+                    clone.url = orig.url;
+                }
+                clone._original = orig;
+                clone.geometry.transform(local, remote);
+                clones[i] = clone;
+            }
+            features = clones;
+        }
+        this.layer.protocol.commit(features, {
+            callback: this.onCommit,
+            scope: this
+        });
+    },
+    
+    /**
+     * Method: onCommit
+     * Called after protocol commit.
+     *
+     * Parameters:
+     * response - {<OpenLayers.Protocol.Response>} A response object.
+     */
+    onCommit: function(response) {
+        var evt = {"response": response};
+        if(response.success()) {
+            var features = response.reqFeatures;
+            // deal with inserts, updates, and deletes
+            var state, feature;
+            var destroys = [];
+            var insertIds = response.insertIds || [];
+            var j = 0;
+            for(var i=0, len=features.length; i<len; ++i) {
+                feature = features[i];
+                // if projection was different, we may be dealing with clones
+                feature = feature._original || feature;
+                state = feature.state;
+                if(state) {
+                    if(state == OpenLayers.State.DELETE) {
+                        destroys.push(feature);
+                    } else if(state == OpenLayers.State.INSERT) {
+                        feature.fid = insertIds[j];
+                        ++j;
+                    }
+                    feature.state = null;
+                }
+            }
+
+            if(destroys.length > 0) {
+                this.layer.destroyFeatures(destroys);
+            }
+
+            this.events.triggerEvent("success", evt);
+
+        } else {
+            this.events.triggerEvent("fail", evt);
+        }
+    },
+   
+    CLASS_NAME: "OpenLayers.Strategy.Save" 
+});
+