Incorporating review comments from @jorix.

lib/OpenLayers/Control/PanZoomBar.js

@@ -47,12 +47,6 @@ OpenLayers.Control.PanZoomBar = OpenLayers.Class(OpenLayers.Control.PanZoom, {
      */
     zoombarDiv: null,
 
-    /** 
-     * Property: divEvents
-     * {<OpenLayers.Events>}
-     */
-    divEvents: null,
-
     /** 
      * APIProperty: zoomWorldIcon
      * {Boolean}
@@ -212,9 +206,7 @@ OpenLayers.Control.PanZoomBar = OpenLayers.Class(OpenLayers.Control.PanZoom, {
             "touchend": this.zoomBarUp,
             "mousedown": this.zoomBarDown,
             "mousemove": this.zoomBarDrag,
-            "mouseup": this.zoomBarUp,
-            "dblclick": this.doubleClick,
-            "click": this.doubleClick
+            "mouseup": this.zoomBarUp
         });
         
         var sz = {
@@ -259,12 +251,12 @@ OpenLayers.Control.PanZoomBar = OpenLayers.Class(OpenLayers.Control.PanZoom, {
      */
     _removeZoomBar: function() {
         this.sliderEvents.un({
+            "touchstart": this.zoomBarDown,
             "touchmove": this.zoomBarDrag,
+            "touchend": this.zoomBarUp,
             "mousedown": this.zoomBarDown,
             "mousemove": this.zoomBarDrag,
-            "mouseup": this.zoomBarUp,
-            "dblclick": this.doubleClick,
-            "click": this.doubleClick
+            "mouseup": this.zoomBarUp
         });
         this.sliderEvents.destroy();
         
@@ -278,6 +270,9 @@ OpenLayers.Control.PanZoomBar = OpenLayers.Class(OpenLayers.Control.PanZoom, {
     
     /**
      * Method: onButtonClick
+     *
+     * Parameters:
+     * evt - {Event}
      */
     onButtonClick: function(evt) {
         OpenLayers.Control.PanZoom.prototype.onButtonClick.apply(this, arguments);
@@ -292,6 +287,18 @@ OpenLayers.Control.PanZoomBar = OpenLayers.Class(OpenLayers.Control.PanZoom, {
         }
     },
     
+    /**
+     * Method: passEventToSlider
+     * This function is used to pass events that happen on the div, or the map,
+     * through to the slider, which then does its moving thing.
+     *
+     * Parameters:
+     * evt - {<OpenLayers.Event>} 
+     */
+    passEventToSlider:function(evt) {
+        this.sliderEvents.handleBrowserEvent(evt);
+    },
+    
     /*
      * Method: zoomBarDown
      * event listener for clicks on the slider