diff --git a/lib/OpenLayers/Util.js b/lib/OpenLayers/Util.js
index 6b9b308751..e3ab4c064d 100644
--- a/lib/OpenLayers/Util.js
+++ b/lib/OpenLayers/Util.js
@@ -91,21 +91,58 @@ OpenLayers.Pixel.prototype = {
     CLASS_NAME: "OpenLayers.Pixel"
 };
 
+
+/**
+* @class This class represents a width and height pair
+*/
 OpenLayers.Size = Class.create();
 OpenLayers.Size.prototype = {
-    initialize: function(w,h) {
-        this.w=w;
-        this.h=h;
+
+    /** @type float */
+    w: 0.0,
+    
+    /** @type float */
+    h: 0.0,
+
+
+    /** 
+    * @param {float} w 
+    * @param {float} h 
+    */
+    initialize: function(w, h) {
+        this.w = w;
+        this.h = h;
     },
-    toString:function(){
+
+    /** 
+    * @return String representation of OpenLayers.Size object. (ex. "w=55,h=66")
+    * @type String
+    */
+    toString:function() {
         return ("w="+this.w+",h="+this.h);
     },
-    copyOf:function(){
+
+    /** 
+    * @return New OpenLayers.Size object with the same w and h values
+    * @type OpenLayers.Size
+    */
+    copyOf:function() {
         return new OpenLayers.Size(this.w, this.h);
     },
-    sameSize:function(pt){
-        return (this.w==pt.w && this.h==pt.h);
+
+    /** 
+    * @param {OpenLayers.Size} sz
+    * @returns Boolean value indicating whether the passed-in OpenLayers.Size 
+    *          object has the same w and h components as this
+    *
+    * @type bool
+    */
+    equals:function(sz) {
+        return ((this.w == sz.w) && /this.h == sz.h));
     }
+    
+    /** @type String */
+    CLASS_NAME: "OpenLayers.Size"
 };
 
 OpenLayers.LatLon = Class.create();