--- a/labs/openlayers/lib/OpenLayers/Control/PanZoom.js
+++ b/labs/openlayers/lib/OpenLayers/Control/PanZoom.js
@@ -1,1 +1,247 @@
-
+/* 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
+ */
+
+/**
+ * Class: OpenLayers.Control.PanZoom
+ * The PanZoom is a visible control, composed of a
+ * <OpenLayers.Control.PanPanel> and a <OpenLayers.Control.ZoomPanel>. By
+ * default it is drawn in the upper left corner of the map.
+ *
+ * Inherits from:
+ *  - <OpenLayers.Control>
+ */
+OpenLayers.Control.PanZoom = OpenLayers.Class(OpenLayers.Control, {
+
+    /** 
+     * APIProperty: slideFactor
+     * {Integer} Number of pixels by which we'll pan the map in any direction 
+     *     on clicking the arrow buttons.  If you want to pan by some ratio
+     *     of the map dimensions, use <slideRatio> instead.
+     */
+    slideFactor: 50,
+
+    /** 
+     * APIProperty: slideRatio
+     * {Number} The fraction of map width/height by which we'll pan the map            
+     *     on clicking the arrow buttons.  Default is null.  If set, will
+     *     override <slideFactor>. E.g. if slideRatio is .5, then the Pan Up
+     *     button will pan up half the map height. 
+     */
+    slideRatio: null,
+
+    /** 
+     * Property: buttons
+     * {Array(DOMElement)} Array of Button Divs 
+     */
+    buttons: null,
+
+    /** 
+     * Property: position
+     * {<OpenLayers.Pixel>} 
+     */
+    position: null,
+
+    /**
+     * Constructor: OpenLayers.Control.PanZoom
+     * 
+     * Parameters:
+     * options - {Object}
+     */
+    initialize: function(options) {
+        this.position = new OpenLayers.Pixel(OpenLayers.Control.PanZoom.X,
+                                             OpenLayers.Control.PanZoom.Y);
+        OpenLayers.Control.prototype.initialize.apply(this, arguments);
+    },
+
+    /**
+     * APIMethod: destroy
+     */
+    destroy: function() {
+        OpenLayers.Control.prototype.destroy.apply(this, arguments);
+        this.removeButtons();
+        this.buttons = null;
+        this.position = null;
+    },
+
+    /**
+     * Method: draw
+     *
+     * Parameters:
+     * px - {<OpenLayers.Pixel>} 
+     * 
+     * Returns:
+     * {DOMElement} A reference to the container div for the PanZoom control.
+     */
+    draw: function(px) {
+        // initialize our internal div
+        OpenLayers.Control.prototype.draw.apply(this, arguments);
+        px = this.position;
+
+        // place the controls
+        this.buttons = [];
+
+        var sz = new OpenLayers.Size(18,18);
+        var centered = new OpenLayers.Pixel(px.x+sz.w/2, px.y);
+
+        this._addButton("panup", "north-mini.png", centered, sz);
+        px.y = centered.y+sz.h;
+        this._addButton("panleft", "west-mini.png", px, sz);
+        this._addButton("panright", "east-mini.png", px.add(sz.w, 0), sz);
+        this._addButton("pandown", "south-mini.png", 
+                        centered.add(0, sz.h*2), sz);
+        this._addButton("zoomin", "zoom-plus-mini.png", 
+                        centered.add(0, sz.h*3+5), sz);
+        this._addButton("zoomworld", "zoom-world-mini.png", 
+                        centered.add(0, sz.h*4+5), sz);
+        this._addButton("zoomout", "zoom-minus-mini.png", 
+                        centered.add(0, sz.h*5+5), sz);
+        return this.div;
+    },
+    
+    /**
+     * Method: _addButton
+     * 
+     * Parameters:
+     * id - {String} 
+     * img - {String} 
+     * xy - {<OpenLayers.Pixel>} 
+     * sz - {<OpenLayers.Size>} 
+     * 
+     * Returns:
+     * {DOMElement} A Div (an alphaImageDiv, to be precise) that contains the
+     *     image of the button, and has all the proper event handlers set.
+     */
+    _addButton:function(id, img, xy, sz) {
+        var imgLocation = OpenLayers.Util.getImagesLocation() + img;
+        var btn = OpenLayers.Util.createAlphaImageDiv(
+                                    this.id + "_" + id, 
+                                    xy, sz, imgLocation, "absolute");
+
+        //we want to add the outer div
+        this.div.appendChild(btn);
+
+        OpenLayers.Event.observe(btn, "mousedown", 
+            OpenLayers.Function.bindAsEventListener(this.buttonDown, btn));
+        OpenLayers.Event.observe(btn, "dblclick", 
+            OpenLayers.Function.bindAsEventListener(this.doubleClick, btn));
+        OpenLayers.Event.observe(btn, "click", 
+            OpenLayers.Function.bindAsEventListener(this.doubleClick, btn));
+        btn.action = id;
+        btn.map = this.map;
+    
+        if(!this.slideRatio){
+            var slideFactorPixels = this.slideFactor;
+            var getSlideFactor = function() {
+                return slideFactorPixels;
+            };
+        } else {
+            var slideRatio = this.slideRatio;
+            var getSlideFactor = function(dim) {
+                return this.map.getSize()[dim] * slideRatio;
+            };
+        }
+
+        btn.getSlideFactor = getSlideFactor;
+
+        //we want to remember/reference the outer div
+        this.buttons.push(btn);
+        return btn;
+    },
+    
+    /**
+     * Method: _removeButton
+     * 
+     * Parameters:
+     * btn - {Object}
+     */
+    _removeButton: function(btn) {
+        OpenLayers.Event.stopObservingElement(btn);
+        btn.map = null;
+        btn.getSlideFactor = null;
+        this.div.removeChild(btn);
+        OpenLayers.Util.removeItem(this.buttons, btn);
+    },
+    
+    /**
+     * Method: removeButtons
+     */
+    removeButtons: function() {
+        for(var i=this.buttons.length-1; i>=0; --i) {
+            this._removeButton(this.buttons[i]);
+        }
+    },
+    
+    /**
+     * Method: doubleClick
+     *
+     * Parameters:
+     * evt - {Event} 
+     *
+     * Returns:
+     * {Boolean}
+     */
+    doubleClick: function (evt) {
+        OpenLayers.Event.stop(evt);
+        return false;
+    },
+    
+    /**
+     * Method: buttonDown
+     *
+     * Parameters:
+     * evt - {Event} 
+     */
+    buttonDown: function (evt) {
+        if (!OpenLayers.Event.isLeftClick(evt)) {
+            return;
+        }
+
+        switch (this.action) {
+            case "panup": 
+                this.map.pan(0, -this.getSlideFactor("h"));
+                break;
+            case "pandown": 
+                this.map.pan(0, this.getSlideFactor("h"));
+                break;
+            case "panleft": 
+                this.map.pan(-this.getSlideFactor("w"), 0);
+                break;
+            case "panright": 
+                this.map.pan(this.getSlideFactor("w"), 0);
+                break;
+            case "zoomin": 
+                this.map.zoomIn(); 
+                break;
+            case "zoomout": 
+                this.map.zoomOut(); 
+                break;
+            case "zoomworld": 
+                this.map.zoomToMaxExtent(); 
+                break;
+        }
+
+        OpenLayers.Event.stop(evt);
+    },
+
+    CLASS_NAME: "OpenLayers.Control.PanZoom"
+});
+
+/**
+ * Constant: X
+ * {Integer}
+ */
+OpenLayers.Control.PanZoom.X = 4;
+
+/**
+ * Constant: Y
+ * {Integer}
+ */
+OpenLayers.Control.PanZoom.Y = 4;
+