replaced calls to addX and addY with calls to add. Simplify

git-svn-id: http://svn.openlayers.org/trunk/openlayers@51 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Control/LayerSwitcher.js

@@ -19,7 +19,7 @@ OpenLayers.Control.LayerSwitcher.prototype =
             div.ondblclick = this.doubleClick.bindAsEventListener(div);
             div.onmousedown = this.singleClick.bindAsEventListener(div);
             this.div.appendChild(div);
-            pixel = pixel.addY(35);
+            pixel = pixel.add(0, 35);
         }
         return this.div;
     },

lib/OpenLayers/Control/PanZoom.js

@@ -28,10 +28,10 @@ OpenLayers.Control.PanZoom.prototype =
         this._addButton("panup", "north-mini.png", centered, sz);
         xy.y = centered.y+sz.h;
         this._addButton("panleft", "west-mini.png", xy, sz);
-        this._addButton("panright", "east-mini.png", xy.addX(sz.w), sz);
+        this._addButton("panright", "east-mini.png", xy.add(sz.w, 0), sz);
-        this._addButton("pandown", "south-mini.png", centered.addY(sz.h*2), sz);
+        this._addButton("pandown", "south-mini.png", centered.add(0, sz.h*2), sz);
-        this._addButton("zoomin", "zoom-plus-mini.png", centered.addY(sz.h*3), sz);
+        this._addButton("zoomin", "zoom-plus-mini.png", centered.add(0, sz.h*3), sz);
-        centered = centered.addY(sz.h*4);
+        centered = centered.add(0, sz.h*4);
         this._addButton("zoomout", "zoom-minus-mini.png", centered, sz);
         return this.div;
     },

lib/OpenLayers/Control/PanZoomBar.js

@@ -28,10 +28,10 @@ OpenLayers.Control.PanZoom.prototype =
         this._addButton("panup", "north-mini.png", centered, sz);
         xy.y = centered.y+sz.h;
         this._addButton("panleft", "west-mini.png", xy, sz);
-        this._addButton("panright", "east-mini.png", xy.addX(sz.w), sz);
+        this._addButton("panright", "east-mini.png", xy.add(sz.w, 0), sz);
-        this._addButton("pandown", "south-mini.png", centered.addY(sz.h*2), sz);
+        this._addButton("pandown", "south-mini.png", centered.add(0, sz.h*2), sz);
-        this._addButton("zoomin", "zoom-plus-mini.png", centered.addY(sz.h*3), sz);
+        this._addButton("zoomin", "zoom-plus-mini.png", centered.add(0, sz.h*3), sz);
-        centered = centered.addY(sz.h*4);
+        centered = centered.add(0, sz.h*4);
         centered = this._addZoomBar(centered,sz.copyOf());
         this._addButton("zoomout", "zoom-minus-mini.png", centered, sz);
         return this.div;
@@ -40,7 +40,7 @@ OpenLayers.Control.PanZoom.prototype =
         var zoomStopSize = 15;
         var slider = OpenLayers.Util.createImage("img/slider.png",
                        new OpenLayers.Pixel(22,9), 
-                       centered.addY((this.map.getZoomLevels())*zoomStopSize), "absolute",
+                       centered.add(0, (this.map.getZoomLevels())*zoomStopSize), "absolute",
                        "OpenLayers_Control_PanZoom_Slider");
         sz.h = zoomStopSize*(this.map.getZoomLevels()+1);
         sz.w = 17;
@@ -62,7 +62,7 @@ OpenLayers.Control.PanZoom.prototype =
         slider.zIndex = this.div.zIndex + 5;
         this.div.appendChild(slider);
         this.buttons.append(slider);
-        centered = centered.addY(zoomStopSize*(this.map.getZoomLevels()+1));
+        centered = centered.add(0, zoomStopSize*(this.map.getZoomLevels()+1));
         return centered; 
     },
     getMousePosition: function (evt) {

lib/OpenLayers/Util.js

@@ -79,29 +79,6 @@ OpenLayers.Pixel.prototype = {
         return ((d.w==0) && (d.h==0));
     },
 
-
-    /** Return a new Pixel with this pixel's x&y augmented by 
-    *    the Size value passed in.
-    * 
-    * @param {int} w
-    * 
-    * @return {OpenLayers.Pixel}
-    */
-    addX:function(w) {
-        return new OpenLayers.Pixel(this.x+w, this.y);
-    },
-
-    /** Return a new Pixel with this pixel's y augmented by 
-    *    the int value passed in.
-    * 
-    * @param {int} h
-    * 
-    * @return {OpenLayers.Pixel}
-    */
-    addY:function(h) {
-        return new OpenLayers.Pixel(this.x, this.y+h);
-    },
-
     /** Return a new Pixel with this pixel's x&y augmented by 
     *    the int values passed in.
     *