--- a/labs/openlayers/lib/OpenLayers/BaseTypes/Size.js
+++ b/labs/openlayers/lib/OpenLayers/BaseTypes/Size.js
@@ -1,1 +1,86 @@
+/* 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. */
 
+/**
+ * Class: OpenLayers.Size
+ * Instances of this class represent a width/height pair
+ */
+OpenLayers.Size = OpenLayers.Class({
+
+    /**
+     * APIProperty: w
+     * {Number} width
+     */
+    w: 0.0,
+    
+    /**
+     * APIProperty: h
+     * {Number} height
+     */
+    h: 0.0,
+
+
+    /**
+     * Constructor: OpenLayers.Size
+     * Create an instance of OpenLayers.Size
+     *
+     * Parameters:
+     * w - {Number} width
+     * h - {Number} height
+     */
+    initialize: function(w, h) {
+        this.w = parseFloat(w);
+        this.h = parseFloat(h);
+    },
+
+    /**
+     * Method: toString
+     * Return the string representation of a size object
+     *
+     * Returns:
+     * {String} The string representation of OpenLayers.Size object. 
+     * (ex. <i>"w=55,h=66"</i>)
+     */
+    toString:function() {
+        return ("w=" + this.w + ",h=" + this.h);
+    },
+
+    /**
+     * APIMethod: clone
+     * Create a clone of this size object
+     *
+     * Returns:
+     * {<OpenLayers.Size>} A new OpenLayers.Size object with the same w and h
+     * values
+     */
+    clone:function() {
+        return new OpenLayers.Size(this.w, this.h);
+    },
+
+    /**
+     *
+     * APIMethod: equals
+     * Determine where this size is equal to another
+     *
+     * Parameters:
+     * sz - {<OpenLayers.Size>}
+     *
+     * Returns: 
+     * {Boolean} The passed in size has the same h and w properties as this one.
+     * Note that if sz passed in is null, returns false.
+     *
+     */
+    equals:function(sz) {
+        var equals = false;
+        if (sz != null) {
+            equals = ((this.w == sz.w && this.h == sz.h) ||
+                      (isNaN(this.w) && isNaN(this.h) && isNaN(sz.w) && isNaN(sz.h)));
+        }
+        return equals;
+    },
+
+    CLASS_NAME: "OpenLayers.Size"
+});
+