real fix for #189 -- event wasnt being triggered, and wihtout the clone(), control was floating down the div

git-svn-id: http://svn.openlayers.org/branches/openlayers/2.0@1305 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Control/PanZoomBar.js

@@ -32,7 +32,6 @@ OpenLayers.Control.PanZoomBar.prototype =
      */
     setMap: function(map) {
         OpenLayers.Control.PanZoom.prototype.setMap.apply(this, arguments);
-        
         this.map.events.register("changebaselayer", this, this.redraw);
     },
 
@@ -52,7 +51,7 @@ OpenLayers.Control.PanZoomBar.prototype =
     draw: function(px) {
         // initialize our internal div
         OpenLayers.Control.prototype.draw.apply(this, arguments);
-        px = this.position;
+        px = this.position.clone();
 
         // place the controls
         this.buttons = new Array();